URNT40 KWBC 171830
NOAA2 WXWXA HELENE
180100 2057 04846 7650 -0645 157022 +180 +138 168024 017 000
180200 2058 04850 7654 -0656 125015 +178 +139 130019 999 999
180300 2055 04853 7654 -0658 123003 +179 +142 126011 999 999
180400 2051 04852 7653 -0648 264013 +177 +143 258019 021 001
180500 2047 04850 7364 -0645 254024 +181 +138 255029 023 000
180600 2044 04848 5992 -0717 250034 +201 +162 247037 032 001
180700 2040 04845 5610 -0701 249047 +202 +170 253058 052 001
180800 2037 04843 5638 -0647 253071 +193 +175 248078 066 004
180900 2033 04841 5623 -0579 241082 +182 +171 242083 072 007
181000 2030 04838 5621 -0484 237082 +181 +164 235084 068 010
181100 2027 04836 5473 -0405 233081 +173 +158 233082 062 011
181200 2024 04834 5364 -0350 231076 +179 +154 231078 058 008
181300 2021 04832 5339 -0305 230071 +178 +153 230074 056 014
181400 2018 04830 5292 -0256 230070 +182 +158 230071 059 013
181500 2018 04826 5308 -0225 225069 +177 +163 230071 052 009
181600 2020 04821 5240 -0224 221070 +177 +164 222071 052 007
181700 2023 04816 5279 -0218 217071 +180 +162 212074 054 009
181800 2025 04812 5261 -0206 210071 +177 +166 210073 053 010
181900 2028 04807 5234 -0190 203072 +181 +156 201072 050 003
182000 2030 04803 5303 -0165 199072 +182 +146 200073 046 004
182100 2033 04759 5283 -0145 196071 +184 +145 196072 046 004
182200 2037 04755 5197 -0132 192069 +181 +149 194070 047 005
182300 2041 04754 5087 -0140 187070 +178 +152 185072 999 999
182400 2044 04757 5158 -0166 183074 +180 +151 184076 048 005
182500 2046 04801 5167 -0211 182078 +182 +152 181080 053 009
182600 2048 04805 5190 -0258 180078 +177 +161 179081 053 007
182700 2050 04809 5278 -0285 182083 +172 +164 181086 056 013
182800 2053 04813 5321 -0336 181087 +177 +158 180088 056 005
182900 2055 04817 5288 -0408 181092 +174 +159 181097 062 014
183000 2056 04822 5384 -0495 179094 +174 +164 176097 071 027
Plane is near the eye right now.There are winds of 60-80kts in this set.
Hurricane Helene NOAA Plane Reports
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cycloneye
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Hurricane Helene NOAA Plane Reports
Last edited by cycloneye on Wed Sep 20, 2006 1:33 pm, edited 16 times in total.
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WindRunner
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Decoding for the minobs:
NOAA High Density Observations
Storm Name: HELENE (WXL)
Mission Number: WX
Flight ID: NOAA2
Flt Data Number:
#NAME?
01: 18:01:00; 21°N 48.8°W; PA: 7650ft; D-Val: -645ft; Wnd: SSE (157°) @ 25mph (Max: SSE (168°) @ 28mph); T: 64F; D: 57F; SFMR: 20 mph; Rain: 0 mm/hr
02: 18:02:00; 21°N 48.8°W; PA: 7654ft; D-Val: -656ft; Wnd: SE (125°) @ 17mph (Max: SE (130°) @ 22mph); T: 64F; D: 57F; SFMR: N/A mph; Rain: N/A mm/hr
03: 18:03:00; 20.9°N 48.9°W; PA: 7654ft; D-Val: -658ft; Wnd: ESE (123°) @ 3mph (Max: SE (126°) @ 13mph); T: 64F; D: 58F; SFMR: N/A mph; Rain: N/A mm/hr
04: 18:04:00; 20.9°N 48.9°W; PA: 7653ft; D-Val: -648ft; Wnd: W (264°) @ 15mph (Max: WSW (258°) @ 22mph); T: 64F; D: 58F; SFMR: 24 mph; Rain: 1 mm/hr
05: 18:05:00; 20.8°N 48.8°W; PA: 7364ft; D-Val: -645ft; Wnd: WSW (254°) @ 28mph (Max: WSW (255°) @ 33mph); T: 65F; D: 57F; SFMR: 26 mph; Rain: 0 mm/hr
06: 18:06:00; 20.7°N 48.8°W; PA: 5992ft; D-Val: -717ft; Wnd: WSW (250°) @ 39mph (Max: WSW (247°) @ 43mph); T: 68F; D: 61F; SFMR: 37 mph; Rain: 1 mm/hr
07: 18:07:00; 20.7°N 48.8°W; PA: 5610ft; D-Val: -701ft; Wnd: WSW (249°) @ 54mph (Max: WSW (253°) @ 67mph); T: 68F; D: 63F; SFMR: 60 mph; Rain: 1 mm/hr
08: 18:08:00; 20.6°N 48.7°W; PA: 5638ft; D-Val: -647ft; Wnd: WSW (253°) @ 82mph (Max: WSW (248°) @ 90mph); T: 67F; D: 64F; SFMR: 76 mph; Rain: 4 mm/hr
09: 18:09:00; 20.6°N 48.7°W; PA: 5623ft; D-Val: -579ft; Wnd: WSW (241°) @ 94mph (Max: WSW (242°) @ 96mph); T: 65F; D: 63F; SFMR: 83 mph; Rain: 7 mm/hr
10: 18:10:00; 20.5°N 48.6°W; PA: 5621ft; D-Val: -484ft; Wnd: WSW (237°) @ 94mph (Max: SW (235°) @ 97mph); T: 65F; D: 62F; SFMR: 78 mph; Rain: 10 mm/hr
11: 18:11:00; 20.5°N 48.6°W; PA: 5473ft; D-Val: -405ft; Wnd: SW (233°) @ 93mph (Max: SW (233°) @ 94mph); T: 63F; D: 60F; SFMR: 71 mph; Rain: 11 mm/hr
12: 18:12:00; 20.4°N 48.6°W; PA: 5364ft; D-Val: -350ft; Wnd: SW (231°) @ 88mph (Max: SW (231°) @ 90mph); T: 64F; D: 60F; SFMR: 67 mph; Rain: 8 mm/hr
13: 18:13:00; 20.4°N 48.5°W; PA: 5339ft; D-Val: -305ft; Wnd: SW (230°) @ 82mph (Max: SW (230°) @ 85mph); T: 64F; D: 60F; SFMR: 65 mph; Rain: 14 mm/hr
14: 18:14:00; 20.3°N 48.5°W; PA: 5292ft; D-Val: -256ft; Wnd: SW (230°) @ 81mph (Max: SW (230°) @ 82mph); T: 65F; D: 60F; SFMR: 68 mph; Rain: 13 mm/hr
15: 18:15:00; 20.3°N 48.4°W; PA: 5308ft; D-Val: -225ft; Wnd: SW (225°) @ 79mph (Max: SW (230°) @ 82mph); T: 64F; D: 61F; SFMR: 60 mph; Rain: 9 mm/hr
16: 18:16:00; 20.3°N 48.4°W; PA: 5240ft; D-Val: -224ft; Wnd: SW (221°) @ 81mph (Max: SW (222°) @ 82mph); T: 64F; D: 62F; SFMR: 60 mph; Rain: 7 mm/hr
17: 18:17:00; 20.4°N 48.3°W; PA: 5279ft; D-Val: -218ft; Wnd: SW (217°) @ 82mph (Max: SSW (212°) @ 85mph); T: 64F; D: 61F; SFMR: 62 mph; Rain: 9 mm/hr
18: 18:18:00; 20.4°N 48.2°W; PA: 5261ft; D-Val: -206ft; Wnd: SSW (210°) @ 82mph (Max: SSW (210°) @ 84mph); T: 64F; D: 62F; SFMR: 61 mph; Rain: 10 mm/hr
19: 18:19:00; 20.5°N 48.1°W; PA: 5234ft; D-Val: -190ft; Wnd: SSW (203°) @ 83mph (Max: SSW (201°) @ 83mph); T: 65F; D: 60F; SFMR: 58 mph; Rain: 3 mm/hr
20: 18:20:00; 20.5°N 48.1°W; PA: 5303ft; D-Val: -165ft; Wnd: SSW (199°) @ 83mph (Max: SSW (200°) @ 84mph); T: 65F; D: 58F; SFMR: 53 mph; Rain: 4 mm/hr
21: 18:21:00; 20.6°N 48°W; PA: 5283ft; D-Val: -145ft; Wnd: SSW (196°) @ 82mph (Max: SSW (196°) @ 83mph); T: 65F; D: 58F; SFMR: 53 mph; Rain: 4 mm/hr
22: 18:22:00; 20.6°N 47.9°W; PA: 5197ft; D-Val: -132ft; Wnd: SSW (192°) @ 79mph (Max: SSW (194°) @ 81mph); T: 65F; D: 59F; SFMR: 54 mph; Rain: 5 mm/hr
23: 18:23:00; 20.7°N 47.9°W; PA: 5087ft; D-Val: -140ft; Wnd: S (187°) @ 81mph (Max: S (185°) @ 83mph); T: 64F; D: 59F; SFMR: N/A mph; Rain: N/A mm/hr
24: 18:24:00; 20.7°N 48°W; PA: 5158ft; D-Val: -166ft; Wnd: S (183°) @ 85mph (Max: S (184°) @ 88mph); T: 64F; D: 59F; SFMR: 55 mph; Rain: 5 mm/hr
25: 18:25:00; 20.8°N 48°W; PA: 5167ft; D-Val: -211ft; Wnd: S (182°) @ 90mph (Max: S (181°) @ 92mph); T: 65F; D: 59F; SFMR: 61 mph; Rain: 9 mm/hr
26: 18:26:00; 20.8°N 48.1°W; PA: 5190ft; D-Val: -258ft; Wnd: S (180°) @ 90mph (Max: S (179°) @ 93mph); T: 64F; D: 61F; SFMR: 61 mph; Rain: 7 mm/hr
27: 18:27:00; 20.8°N 48.2°W; PA: 5278ft; D-Val: -285ft; Wnd: S (182°) @ 96mph (Max: S (181°) @ 99mph); T: 63F; D: 62F; SFMR: 65 mph; Rain: 13 mm/hr
28: 18:28:00; 20.9°N 48.2°W; PA: 5321ft; D-Val: -336ft; Wnd: S (181°) @ 100mph (Max: S (180°) @ 101mph); T: 64F; D: 60F; SFMR: 65 mph; Rain: 5 mm/hr
29: 18:29:00; 20.9°N 48.3°W; PA: 5288ft; D-Val: -408ft; Wnd: S (181°) @ 106mph (Max: S (181°) @ 112mph); T: 63F; D: 61F; SFMR: 71 mph; Rain: 14 mm/hr
30: 18:30:00; 20.9°N 48.4°W; PA: 5384ft; D-Val: -495ft; Wnd: S (179°) @ 108mph (Max: S (176°) @ 112mph); T: 63F; D: 62F; SFMR: 82 mph; Rain: 27 mm/hr
Note: **** means data accuracy was suspect
NOAA High Density Observations
Storm Name: HELENE (WXL)
Mission Number: WX
Flight ID: NOAA2
Flt Data Number:
#NAME?
01: 18:01:00; 21°N 48.8°W; PA: 7650ft; D-Val: -645ft; Wnd: SSE (157°) @ 25mph (Max: SSE (168°) @ 28mph); T: 64F; D: 57F; SFMR: 20 mph; Rain: 0 mm/hr
02: 18:02:00; 21°N 48.8°W; PA: 7654ft; D-Val: -656ft; Wnd: SE (125°) @ 17mph (Max: SE (130°) @ 22mph); T: 64F; D: 57F; SFMR: N/A mph; Rain: N/A mm/hr
03: 18:03:00; 20.9°N 48.9°W; PA: 7654ft; D-Val: -658ft; Wnd: ESE (123°) @ 3mph (Max: SE (126°) @ 13mph); T: 64F; D: 58F; SFMR: N/A mph; Rain: N/A mm/hr
04: 18:04:00; 20.9°N 48.9°W; PA: 7653ft; D-Val: -648ft; Wnd: W (264°) @ 15mph (Max: WSW (258°) @ 22mph); T: 64F; D: 58F; SFMR: 24 mph; Rain: 1 mm/hr
05: 18:05:00; 20.8°N 48.8°W; PA: 7364ft; D-Val: -645ft; Wnd: WSW (254°) @ 28mph (Max: WSW (255°) @ 33mph); T: 65F; D: 57F; SFMR: 26 mph; Rain: 0 mm/hr
06: 18:06:00; 20.7°N 48.8°W; PA: 5992ft; D-Val: -717ft; Wnd: WSW (250°) @ 39mph (Max: WSW (247°) @ 43mph); T: 68F; D: 61F; SFMR: 37 mph; Rain: 1 mm/hr
07: 18:07:00; 20.7°N 48.8°W; PA: 5610ft; D-Val: -701ft; Wnd: WSW (249°) @ 54mph (Max: WSW (253°) @ 67mph); T: 68F; D: 63F; SFMR: 60 mph; Rain: 1 mm/hr
08: 18:08:00; 20.6°N 48.7°W; PA: 5638ft; D-Val: -647ft; Wnd: WSW (253°) @ 82mph (Max: WSW (248°) @ 90mph); T: 67F; D: 64F; SFMR: 76 mph; Rain: 4 mm/hr
09: 18:09:00; 20.6°N 48.7°W; PA: 5623ft; D-Val: -579ft; Wnd: WSW (241°) @ 94mph (Max: WSW (242°) @ 96mph); T: 65F; D: 63F; SFMR: 83 mph; Rain: 7 mm/hr
10: 18:10:00; 20.5°N 48.6°W; PA: 5621ft; D-Val: -484ft; Wnd: WSW (237°) @ 94mph (Max: SW (235°) @ 97mph); T: 65F; D: 62F; SFMR: 78 mph; Rain: 10 mm/hr
11: 18:11:00; 20.5°N 48.6°W; PA: 5473ft; D-Val: -405ft; Wnd: SW (233°) @ 93mph (Max: SW (233°) @ 94mph); T: 63F; D: 60F; SFMR: 71 mph; Rain: 11 mm/hr
12: 18:12:00; 20.4°N 48.6°W; PA: 5364ft; D-Val: -350ft; Wnd: SW (231°) @ 88mph (Max: SW (231°) @ 90mph); T: 64F; D: 60F; SFMR: 67 mph; Rain: 8 mm/hr
13: 18:13:00; 20.4°N 48.5°W; PA: 5339ft; D-Val: -305ft; Wnd: SW (230°) @ 82mph (Max: SW (230°) @ 85mph); T: 64F; D: 60F; SFMR: 65 mph; Rain: 14 mm/hr
14: 18:14:00; 20.3°N 48.5°W; PA: 5292ft; D-Val: -256ft; Wnd: SW (230°) @ 81mph (Max: SW (230°) @ 82mph); T: 65F; D: 60F; SFMR: 68 mph; Rain: 13 mm/hr
15: 18:15:00; 20.3°N 48.4°W; PA: 5308ft; D-Val: -225ft; Wnd: SW (225°) @ 79mph (Max: SW (230°) @ 82mph); T: 64F; D: 61F; SFMR: 60 mph; Rain: 9 mm/hr
16: 18:16:00; 20.3°N 48.4°W; PA: 5240ft; D-Val: -224ft; Wnd: SW (221°) @ 81mph (Max: SW (222°) @ 82mph); T: 64F; D: 62F; SFMR: 60 mph; Rain: 7 mm/hr
17: 18:17:00; 20.4°N 48.3°W; PA: 5279ft; D-Val: -218ft; Wnd: SW (217°) @ 82mph (Max: SSW (212°) @ 85mph); T: 64F; D: 61F; SFMR: 62 mph; Rain: 9 mm/hr
18: 18:18:00; 20.4°N 48.2°W; PA: 5261ft; D-Val: -206ft; Wnd: SSW (210°) @ 82mph (Max: SSW (210°) @ 84mph); T: 64F; D: 62F; SFMR: 61 mph; Rain: 10 mm/hr
19: 18:19:00; 20.5°N 48.1°W; PA: 5234ft; D-Val: -190ft; Wnd: SSW (203°) @ 83mph (Max: SSW (201°) @ 83mph); T: 65F; D: 60F; SFMR: 58 mph; Rain: 3 mm/hr
20: 18:20:00; 20.5°N 48.1°W; PA: 5303ft; D-Val: -165ft; Wnd: SSW (199°) @ 83mph (Max: SSW (200°) @ 84mph); T: 65F; D: 58F; SFMR: 53 mph; Rain: 4 mm/hr
21: 18:21:00; 20.6°N 48°W; PA: 5283ft; D-Val: -145ft; Wnd: SSW (196°) @ 82mph (Max: SSW (196°) @ 83mph); T: 65F; D: 58F; SFMR: 53 mph; Rain: 4 mm/hr
22: 18:22:00; 20.6°N 47.9°W; PA: 5197ft; D-Val: -132ft; Wnd: SSW (192°) @ 79mph (Max: SSW (194°) @ 81mph); T: 65F; D: 59F; SFMR: 54 mph; Rain: 5 mm/hr
23: 18:23:00; 20.7°N 47.9°W; PA: 5087ft; D-Val: -140ft; Wnd: S (187°) @ 81mph (Max: S (185°) @ 83mph); T: 64F; D: 59F; SFMR: N/A mph; Rain: N/A mm/hr
24: 18:24:00; 20.7°N 48°W; PA: 5158ft; D-Val: -166ft; Wnd: S (183°) @ 85mph (Max: S (184°) @ 88mph); T: 64F; D: 59F; SFMR: 55 mph; Rain: 5 mm/hr
25: 18:25:00; 20.8°N 48°W; PA: 5167ft; D-Val: -211ft; Wnd: S (182°) @ 90mph (Max: S (181°) @ 92mph); T: 65F; D: 59F; SFMR: 61 mph; Rain: 9 mm/hr
26: 18:26:00; 20.8°N 48.1°W; PA: 5190ft; D-Val: -258ft; Wnd: S (180°) @ 90mph (Max: S (179°) @ 93mph); T: 64F; D: 61F; SFMR: 61 mph; Rain: 7 mm/hr
27: 18:27:00; 20.8°N 48.2°W; PA: 5278ft; D-Val: -285ft; Wnd: S (182°) @ 96mph (Max: S (181°) @ 99mph); T: 63F; D: 62F; SFMR: 65 mph; Rain: 13 mm/hr
28: 18:28:00; 20.9°N 48.2°W; PA: 5321ft; D-Val: -336ft; Wnd: S (181°) @ 100mph (Max: S (180°) @ 101mph); T: 64F; D: 60F; SFMR: 65 mph; Rain: 5 mm/hr
29: 18:29:00; 20.9°N 48.3°W; PA: 5288ft; D-Val: -408ft; Wnd: S (181°) @ 106mph (Max: S (181°) @ 112mph); T: 63F; D: 61F; SFMR: 71 mph; Rain: 14 mm/hr
30: 18:30:00; 20.9°N 48.4°W; PA: 5384ft; D-Val: -495ft; Wnd: S (179°) @ 108mph (Max: S (176°) @ 112mph); T: 63F; D: 62F; SFMR: 82 mph; Rain: 27 mm/hr
Note: **** means data accuracy was suspect
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cycloneye
- Admin
- Posts: 146118
- Age: 69
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
URNT40 KWBC 171900
NOAA2 WXWXA HELENE
183100 2058 04826 5554 -0611 181100 +178 +170 181107 080 034
183200 2100 04830 5703 -0704 188075 +187 +178 188097 075 013
183300 2101 04834 5704 -0728 175041 +196 +185 175050 036 003
183400 2101 04838 5768 -0755 170033 +199 +185 174036 029 001
183500 2100 04842 5771 -0783 164025 +202 +187 165028 024 001
183600 2059 04846 5766 -0806 164020 +206 +183 167022 018 001
183700 2058 04850 5770 -0822 159010 +207 +188 160015 015 001
183800 2056 04854 5773 -0821 320003 +216 +182 332008 008 001
183900 2053 04857 5774 -0813 332015 +206 +186 328021 015 001
184000 2050 04900 5769 -0779 322029 +208 +180 319032 025 001
184100 2048 04904 5770 -0726 309041 +208 +174 311059 036 003
184200 2045 04907 5772 -0659 309068 +202 +169 311071 057 004
184300 2043 04910 5608 -0570 312068 +192 +169 309070 057 004
184400 2040 04913 5586 -0482 307063 +195 +167 312067 052 003
184500 2038 04916 5471 -0420 304058 +187 +171 308061 052 006
184600 2036 04919 5345 -0371 318059 +182 +173 311060 053 013
184700 2033 04922 5373 -0308 315056 +178 +171 316058 053 011
184800 2031 04925 5374 -0266 309055 +179 +169 308057 052 005
184900 2028 04928 5399 -0219 311054 +179 +166 308056 048 004
185000 2025 04926 5269 -0211 301059 +181 +165 298061 999 999
185100 2025 04922 5327 -0246 297060 +182 +165 296061 049 004
185200 2028 04919 5388 -0288 297059 +179 +168 301061 053 009
185300 2031 04915 5400 -0339 301062 +180 +171 303062 057 012
185400 2033 04912 5311 -0409 292065 +185 +171 286070 054 005
185500 2036 04909 5343 -0473 282070 +190 +171 284072 050 005
185600 2039 04907 5469 -0515 282068 +201 +159 280072 999 999
185700 2038 04910 5605 -0467 284071 +189 +165 284072 052 004
185800 2035 04912 5381 -0430 286068 +187 +165 287069 052 004
185900 2034 04915 5418 -0375 291062 +183 +167 289065 054 006
190000 2032 04918 5429 -0326 299058 +178 +167 304060 054 010
If someone that knows how to read this data from NOAA which is different from the AF planes,it would be good to have the help now.
NOAA2 WXWXA HELENE
183100 2058 04826 5554 -0611 181100 +178 +170 181107 080 034
183200 2100 04830 5703 -0704 188075 +187 +178 188097 075 013
183300 2101 04834 5704 -0728 175041 +196 +185 175050 036 003
183400 2101 04838 5768 -0755 170033 +199 +185 174036 029 001
183500 2100 04842 5771 -0783 164025 +202 +187 165028 024 001
183600 2059 04846 5766 -0806 164020 +206 +183 167022 018 001
183700 2058 04850 5770 -0822 159010 +207 +188 160015 015 001
183800 2056 04854 5773 -0821 320003 +216 +182 332008 008 001
183900 2053 04857 5774 -0813 332015 +206 +186 328021 015 001
184000 2050 04900 5769 -0779 322029 +208 +180 319032 025 001
184100 2048 04904 5770 -0726 309041 +208 +174 311059 036 003
184200 2045 04907 5772 -0659 309068 +202 +169 311071 057 004
184300 2043 04910 5608 -0570 312068 +192 +169 309070 057 004
184400 2040 04913 5586 -0482 307063 +195 +167 312067 052 003
184500 2038 04916 5471 -0420 304058 +187 +171 308061 052 006
184600 2036 04919 5345 -0371 318059 +182 +173 311060 053 013
184700 2033 04922 5373 -0308 315056 +178 +171 316058 053 011
184800 2031 04925 5374 -0266 309055 +179 +169 308057 052 005
184900 2028 04928 5399 -0219 311054 +179 +166 308056 048 004
185000 2025 04926 5269 -0211 301059 +181 +165 298061 999 999
185100 2025 04922 5327 -0246 297060 +182 +165 296061 049 004
185200 2028 04919 5388 -0288 297059 +179 +168 301061 053 009
185300 2031 04915 5400 -0339 301062 +180 +171 303062 057 012
185400 2033 04912 5311 -0409 292065 +185 +171 286070 054 005
185500 2036 04909 5343 -0473 282070 +190 +171 284072 050 005
185600 2039 04907 5469 -0515 282068 +201 +159 280072 999 999
185700 2038 04910 5605 -0467 284071 +189 +165 284072 052 004
185800 2035 04912 5381 -0430 286068 +187 +165 287069 052 004
185900 2034 04915 5418 -0375 291062 +183 +167 289065 054 006
190000 2032 04918 5429 -0326 299058 +178 +167 304060 054 010
If someone that knows how to read this data from NOAA which is different from the AF planes,it would be good to have the help now.
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Visit the Caribbean-Central America Weather Thread where you can find at first post web cams,radars
and observations from Caribbean basin members Click Here
and observations from Caribbean basin members Click Here
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WindRunner
- Category 5
- Posts: 5806
- Age: 34
- Joined: Fri Jul 29, 2005 8:07 pm
- Location: Warrenton, VA, but Albany, NY for school
- Contact:
UZNT13 KWBC 171841
XXAA 67188 99214 70492 07719 99991 25408 04557 00577 ///// /////
92609 23427 05591 85345 19207 06574 88999 77999
31313 09608 81743
61616 NOAA2 WXWXA HELENE OB 20
62626 SPL 2137N04930W 1746 WL150 04572 085 DLM WND 06079 991778 M
BL WND 05083 EYEWALL 045=
XXBB 67188 99214 70492 07719 00991 25408 11986 24809 22966 23612
33948 24229 44853 19608 55798 16600 66778 15206
21212 00991 04557 11989 05056 22988 05069 33986 05073 44981 05070
55976 04579 66968 05080 77960 05092 88954 05094 99793 07071 11778
07057
31313 09608 81743
61616 NOAA2 WXWXA HELENE OB 20
62626 SPL 2137N04930W 1746 WL150 04572 085 DLM WND 06079 991778 M
BL WND 05083 EYEWALL 045=
Dropsonde, which won't decode correctly.
XXAA 67188 99214 70492 07719 99991 25408 04557 00577 ///// /////
92609 23427 05591 85345 19207 06574 88999 77999
31313 09608 81743
61616 NOAA2 WXWXA HELENE OB 20
62626 SPL 2137N04930W 1746 WL150 04572 085 DLM WND 06079 991778 M
BL WND 05083 EYEWALL 045=
XXBB 67188 99214 70492 07719 00991 25408 11986 24809 22966 23612
33948 24229 44853 19608 55798 16600 66778 15206
21212 00991 04557 11989 05056 22988 05069 33986 05073 44981 05070
55976 04579 66968 05080 77960 05092 88954 05094 99793 07071 11778
07057
31313 09608 81743
61616 NOAA2 WXWXA HELENE OB 20
62626 SPL 2137N04930W 1746 WL150 04572 085 DLM WND 06079 991778 M
BL WND 05083 EYEWALL 045=
Dropsonde, which won't decode correctly.
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WindRunner
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Decode for 19-19:30Z set:
NOAA High Density Observations
Storm Name: HELENE (WXL)
Mission Number: WX
Flight ID: NOAA2
Flt Data Number:
#NAME?
01: 18:31:00; 21°N 48.4°W; PA: 5554ft; D-Val: -611ft; Wnd: S (181°) @ 115mph (Max: S (181°) @ 123mph); T: 64F; D: 63F; SFMR: 92 mph; Rain: 34 mm/hr
02: 18:32:00; 21°N 48.5°W; PA: 5703ft; D-Val: -704ft; Wnd: S (188°) @ 86mph (Max: S (188°) @ 112mph); T: 66F; D: 64F; SFMR: 86 mph; Rain: 13 mm/hr
03: 18:33:00; 21°N 48.6°W; PA: 5704ft; D-Val: -728ft; Wnd: S (175°) @ 47mph (Max: S (175°) @ 58mph); T: 67F; D: 65F; SFMR: 41 mph; Rain: 3 mm/hr
04: 18:34:00; 21°N 48.6°W; PA: 5768ft; D-Val: -755ft; Wnd: S (170°) @ 38mph (Max: S (174°) @ 41mph); T: 68F; D: 65F; SFMR: 33 mph; Rain: 1 mm/hr
05: 18:35:00; 21°N 48.7°W; PA: 5771ft; D-Val: -783ft; Wnd: SSE (164°) @ 29mph (Max: SSE (165°) @ 32mph); T: 68F; D: 66F; SFMR: 28 mph; Rain: 1 mm/hr
06: 18:36:00; 21°N 48.8°W; PA: 5766ft; D-Val: -806ft; Wnd: SSE (164°) @ 23mph (Max: SSE (167°) @ 25mph); T: 69F; D: 65F; SFMR: 21 mph; Rain: 1 mm/hr
07: 18:37:00; 21°N 48.8°W; PA: 5770ft; D-Val: -822ft; Wnd: SSE (159°) @ 12mph (Max: SSE (160°) @ 17mph); T: 69F; D: 66F; SFMR: 17 mph; Rain: 1 mm/hr
08: 18:38:00; 20.9°N 48.9°W; PA: 5773ft; D-Val: -821ft; Wnd: NW (320°) @ 3mph (Max: NNW (332°) @ 9mph); T: 71F; D: 65F; SFMR: 9 mph; Rain: 1 mm/hr
09: 18:39:00; 20.9°N 49°W; PA: 5774ft; D-Val: -813ft; Wnd: NNW (332°) @ 17mph (Max: NNW (328°) @ 24mph); T: 69F; D: 65F; SFMR: 17 mph; Rain: 1 mm/hr
10: 18:40:00; 20.8°N 49°W; PA: 5769ft; D-Val: -779ft; Wnd: NW (322°) @ 33mph (Max: NW (319°) @ 37mph); T: 69F; D: 64F; SFMR: 29 mph; Rain: 1 mm/hr
11: 18:41:00; 20.8°N 49.1°W; PA: 5770ft; D-Val: -726ft; Wnd: NW (309°) @ 47mph (Max: NW (311°) @ 68mph); T: 69F; D: 63F; SFMR: 41 mph; Rain: 3 mm/hr
12: 18:42:00; 20.8°N 49.1°W; PA: 5772ft; D-Val: -659ft; Wnd: NW (309°) @ 78mph (Max: NW (311°) @ 82mph); T: 68F; D: 62F; SFMR: 66 mph; Rain: 4 mm/hr
13: 18:43:00; 20.7°N 49.2°W; PA: 5608ft; D-Val: -570ft; Wnd: NW (312°) @ 78mph (Max: NW (309°) @ 81mph); T: 67F; D: 62F; SFMR: 66 mph; Rain: 4 mm/hr
14: 18:44:00; 20.7°N 49.2°W; PA: 5586ft; D-Val: -482ft; Wnd: NW (307°) @ 73mph (Max: NW (312°) @ 77mph); T: 67F; D: 62F; SFMR: 60 mph; Rain: 3 mm/hr
15: 18:45:00; 20.6°N 49.3°W; PA: 5471ft; D-Val: -420ft; Wnd: NW (304°) @ 67mph (Max: NW (308°) @ 70mph); T: 66F; D: 63F; SFMR: 60 mph; Rain: 6 mm/hr
16: 18:46:00; 20.6°N 49.3°W; PA: 5345ft; D-Val: -371ft; Wnd: NW (318°) @ 68mph (Max: NW (311°) @ 69mph); T: 65F; D: 63F; SFMR: 61 mph; Rain: 13 mm/hr
17: 18:47:00; 20.6°N 49.4°W; PA: 5373ft; D-Val: -308ft; Wnd: NW (315°) @ 65mph (Max: NW (316°) @ 67mph); T: 64F; D: 63F; SFMR: 61 mph; Rain: 11 mm/hr
18: 18:48:00; 20.5°N 49.4°W; PA: 5374ft; D-Val: -266ft; Wnd: NW (309°) @ 63mph (Max: NW (308°) @ 66mph); T: 64F; D: 62F; SFMR: 60 mph; Rain: 5 mm/hr
19: 18:49:00; 20.5°N 49.5°W; PA: 5399ft; D-Val: -219ft; Wnd: NW (311°) @ 62mph (Max: NW (308°) @ 65mph); T: 64F; D: 62F; SFMR: 55 mph; Rain: 4 mm/hr
20: 18:50:00; 20.4°N 49.4°W; PA: 5269ft; D-Val: -211ft; Wnd: WNW (301°) @ 68mph (Max: WNW (298°) @ 70mph); T: 65F; D: 62F; SFMR: N/A mph; Rain: N/A mm/hr
21: 18:51:00; 20.4°N 49.4°W; PA: 5327ft; D-Val: -246ft; Wnd: WNW (297°) @ 69mph (Max: WNW (296°) @ 70mph); T: 65F; D: 62F; SFMR: 56 mph; Rain: 4 mm/hr
22: 18:52:00; 20.5°N 49.3°W; PA: 5388ft; D-Val: -288ft; Wnd: WNW (297°) @ 68mph (Max: WNW (301°) @ 70mph); T: 64F; D: 62F; SFMR: 61 mph; Rain: 9 mm/hr
23: 18:53:00; 20.5°N 49.3°W; PA: 5400ft; D-Val: -339ft; Wnd: WNW (301°) @ 71mph (Max: WNW (303°) @ 71mph); T: 64F; D: 63F; SFMR: 66 mph; Rain: 12 mm/hr
24: 18:54:00; 20.6°N 49.2°W; PA: 5311ft; D-Val: -409ft; Wnd: WNW (292°) @ 75mph (Max: WNW (286°) @ 81mph); T: 65F; D: 63F; SFMR: 62 mph; Rain: 5 mm/hr
25: 18:55:00; 20.6°N 49.2°W; PA: 5343ft; D-Val: -473ft; Wnd: WNW (282°) @ 81mph (Max: WNW (284°) @ 83mph); T: 66F; D: 63F; SFMR: 58 mph; Rain: 5 mm/hr
26: 18:56:00; 20.7°N 49.1°W; PA: 5469ft; D-Val: -515ft; Wnd: WNW (282°) @ 78mph (Max: W (280°) @ 83mph); T: 68F; D: 61F; SFMR: N/A mph; Rain: N/A mm/hr
27: 18:57:00; 20.6°N 49.2°W; PA: 5605ft; D-Val: -467ft; Wnd: WNW (284°) @ 82mph (Max: WNW (284°) @ 83mph); T: 66F; D: 62F; SFMR: 60 mph; Rain: 4 mm/hr
28: 18:58:00; 20.6°N 49.2°W; PA: 5381ft; D-Val: -430ft; Wnd: WNW (286°) @ 78mph (Max: WNW (287°) @ 79mph); T: 66F; D: 62F; SFMR: 60 mph; Rain: 4 mm/hr
29: 18:59:00; 20.6°N 49.3°W; PA: 5418ft; D-Val: -375ft; Wnd: WNW (291°) @ 71mph (Max: WNW (289°) @ 75mph); T: 65F; D: 62F; SFMR: 62 mph; Rain: 6 mm/hr
30: 19:00:00; 20.5°N 49.3°W; PA: 5429ft; D-Val: -326ft; Wnd: WNW (299°) @ 67mph (Max: NW (304°) @ 69mph); T: 64F; D: 62F; SFMR: 62 mph; Rain: 10 mm/hr
Note: **** means data accuracy was suspect
NOAA High Density Observations
Storm Name: HELENE (WXL)
Mission Number: WX
Flight ID: NOAA2
Flt Data Number:
#NAME?
01: 18:31:00; 21°N 48.4°W; PA: 5554ft; D-Val: -611ft; Wnd: S (181°) @ 115mph (Max: S (181°) @ 123mph); T: 64F; D: 63F; SFMR: 92 mph; Rain: 34 mm/hr
02: 18:32:00; 21°N 48.5°W; PA: 5703ft; D-Val: -704ft; Wnd: S (188°) @ 86mph (Max: S (188°) @ 112mph); T: 66F; D: 64F; SFMR: 86 mph; Rain: 13 mm/hr
03: 18:33:00; 21°N 48.6°W; PA: 5704ft; D-Val: -728ft; Wnd: S (175°) @ 47mph (Max: S (175°) @ 58mph); T: 67F; D: 65F; SFMR: 41 mph; Rain: 3 mm/hr
04: 18:34:00; 21°N 48.6°W; PA: 5768ft; D-Val: -755ft; Wnd: S (170°) @ 38mph (Max: S (174°) @ 41mph); T: 68F; D: 65F; SFMR: 33 mph; Rain: 1 mm/hr
05: 18:35:00; 21°N 48.7°W; PA: 5771ft; D-Val: -783ft; Wnd: SSE (164°) @ 29mph (Max: SSE (165°) @ 32mph); T: 68F; D: 66F; SFMR: 28 mph; Rain: 1 mm/hr
06: 18:36:00; 21°N 48.8°W; PA: 5766ft; D-Val: -806ft; Wnd: SSE (164°) @ 23mph (Max: SSE (167°) @ 25mph); T: 69F; D: 65F; SFMR: 21 mph; Rain: 1 mm/hr
07: 18:37:00; 21°N 48.8°W; PA: 5770ft; D-Val: -822ft; Wnd: SSE (159°) @ 12mph (Max: SSE (160°) @ 17mph); T: 69F; D: 66F; SFMR: 17 mph; Rain: 1 mm/hr
08: 18:38:00; 20.9°N 48.9°W; PA: 5773ft; D-Val: -821ft; Wnd: NW (320°) @ 3mph (Max: NNW (332°) @ 9mph); T: 71F; D: 65F; SFMR: 9 mph; Rain: 1 mm/hr
09: 18:39:00; 20.9°N 49°W; PA: 5774ft; D-Val: -813ft; Wnd: NNW (332°) @ 17mph (Max: NNW (328°) @ 24mph); T: 69F; D: 65F; SFMR: 17 mph; Rain: 1 mm/hr
10: 18:40:00; 20.8°N 49°W; PA: 5769ft; D-Val: -779ft; Wnd: NW (322°) @ 33mph (Max: NW (319°) @ 37mph); T: 69F; D: 64F; SFMR: 29 mph; Rain: 1 mm/hr
11: 18:41:00; 20.8°N 49.1°W; PA: 5770ft; D-Val: -726ft; Wnd: NW (309°) @ 47mph (Max: NW (311°) @ 68mph); T: 69F; D: 63F; SFMR: 41 mph; Rain: 3 mm/hr
12: 18:42:00; 20.8°N 49.1°W; PA: 5772ft; D-Val: -659ft; Wnd: NW (309°) @ 78mph (Max: NW (311°) @ 82mph); T: 68F; D: 62F; SFMR: 66 mph; Rain: 4 mm/hr
13: 18:43:00; 20.7°N 49.2°W; PA: 5608ft; D-Val: -570ft; Wnd: NW (312°) @ 78mph (Max: NW (309°) @ 81mph); T: 67F; D: 62F; SFMR: 66 mph; Rain: 4 mm/hr
14: 18:44:00; 20.7°N 49.2°W; PA: 5586ft; D-Val: -482ft; Wnd: NW (307°) @ 73mph (Max: NW (312°) @ 77mph); T: 67F; D: 62F; SFMR: 60 mph; Rain: 3 mm/hr
15: 18:45:00; 20.6°N 49.3°W; PA: 5471ft; D-Val: -420ft; Wnd: NW (304°) @ 67mph (Max: NW (308°) @ 70mph); T: 66F; D: 63F; SFMR: 60 mph; Rain: 6 mm/hr
16: 18:46:00; 20.6°N 49.3°W; PA: 5345ft; D-Val: -371ft; Wnd: NW (318°) @ 68mph (Max: NW (311°) @ 69mph); T: 65F; D: 63F; SFMR: 61 mph; Rain: 13 mm/hr
17: 18:47:00; 20.6°N 49.4°W; PA: 5373ft; D-Val: -308ft; Wnd: NW (315°) @ 65mph (Max: NW (316°) @ 67mph); T: 64F; D: 63F; SFMR: 61 mph; Rain: 11 mm/hr
18: 18:48:00; 20.5°N 49.4°W; PA: 5374ft; D-Val: -266ft; Wnd: NW (309°) @ 63mph (Max: NW (308°) @ 66mph); T: 64F; D: 62F; SFMR: 60 mph; Rain: 5 mm/hr
19: 18:49:00; 20.5°N 49.5°W; PA: 5399ft; D-Val: -219ft; Wnd: NW (311°) @ 62mph (Max: NW (308°) @ 65mph); T: 64F; D: 62F; SFMR: 55 mph; Rain: 4 mm/hr
20: 18:50:00; 20.4°N 49.4°W; PA: 5269ft; D-Val: -211ft; Wnd: WNW (301°) @ 68mph (Max: WNW (298°) @ 70mph); T: 65F; D: 62F; SFMR: N/A mph; Rain: N/A mm/hr
21: 18:51:00; 20.4°N 49.4°W; PA: 5327ft; D-Val: -246ft; Wnd: WNW (297°) @ 69mph (Max: WNW (296°) @ 70mph); T: 65F; D: 62F; SFMR: 56 mph; Rain: 4 mm/hr
22: 18:52:00; 20.5°N 49.3°W; PA: 5388ft; D-Val: -288ft; Wnd: WNW (297°) @ 68mph (Max: WNW (301°) @ 70mph); T: 64F; D: 62F; SFMR: 61 mph; Rain: 9 mm/hr
23: 18:53:00; 20.5°N 49.3°W; PA: 5400ft; D-Val: -339ft; Wnd: WNW (301°) @ 71mph (Max: WNW (303°) @ 71mph); T: 64F; D: 63F; SFMR: 66 mph; Rain: 12 mm/hr
24: 18:54:00; 20.6°N 49.2°W; PA: 5311ft; D-Val: -409ft; Wnd: WNW (292°) @ 75mph (Max: WNW (286°) @ 81mph); T: 65F; D: 63F; SFMR: 62 mph; Rain: 5 mm/hr
25: 18:55:00; 20.6°N 49.2°W; PA: 5343ft; D-Val: -473ft; Wnd: WNW (282°) @ 81mph (Max: WNW (284°) @ 83mph); T: 66F; D: 63F; SFMR: 58 mph; Rain: 5 mm/hr
26: 18:56:00; 20.7°N 49.1°W; PA: 5469ft; D-Val: -515ft; Wnd: WNW (282°) @ 78mph (Max: W (280°) @ 83mph); T: 68F; D: 61F; SFMR: N/A mph; Rain: N/A mm/hr
27: 18:57:00; 20.6°N 49.2°W; PA: 5605ft; D-Val: -467ft; Wnd: WNW (284°) @ 82mph (Max: WNW (284°) @ 83mph); T: 66F; D: 62F; SFMR: 60 mph; Rain: 4 mm/hr
28: 18:58:00; 20.6°N 49.2°W; PA: 5381ft; D-Val: -430ft; Wnd: WNW (286°) @ 78mph (Max: WNW (287°) @ 79mph); T: 66F; D: 62F; SFMR: 60 mph; Rain: 4 mm/hr
29: 18:59:00; 20.6°N 49.3°W; PA: 5418ft; D-Val: -375ft; Wnd: WNW (291°) @ 71mph (Max: WNW (289°) @ 75mph); T: 65F; D: 62F; SFMR: 62 mph; Rain: 6 mm/hr
30: 19:00:00; 20.5°N 49.3°W; PA: 5429ft; D-Val: -326ft; Wnd: WNW (299°) @ 67mph (Max: NW (304°) @ 69mph); T: 64F; D: 62F; SFMR: 62 mph; Rain: 10 mm/hr
Note: **** means data accuracy was suspect
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P.K.
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cycloneye wrote:If someone that knows how to read this data from NOAA which is different from the AF planes,it would be good to have the help now.
http://www.storm2k.org/phpbb2/viewtopic.php?t=85603
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WindRunner wrote:UZNT13 KWBC 171841
XXAA 67188 99214 70492 07719 99991 25408 04557 00577 ///// /////
92609 23427 05591 85345 19207 06574 88999 77999
31313 09608 81743
61616 NOAA2 WXWXA HELENE OB 20
62626 SPL 2137N04930W 1746 WL150 04572 085 DLM WND 06079 991778 M
BL WND 05083 EYEWALL 045=
XXBB 67188 99214 70492 07719 00991 25408 11986 24809 22966 23612
33948 24229 44853 19608 55798 16600 66778 15206
21212 00991 04557 11989 05056 22988 05069 33986 05073 44981 05070
55976 04579 66968 05080 77960 05092 88954 05094 99793 07071 11778
07057
31313 09608 81743
61616 NOAA2 WXWXA HELENE OB 20
62626 SPL 2137N04930W 1746 WL150 04572 085 DLM WND 06079 991778 M
BL WND 05083 EYEWALL 045=
Dropsonde, which won't decode correctly.
Drop in the eyewall, pressure 991mb surface winds 57kts.
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cycloneye
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P.K. wrote:cycloneye wrote:If someone that knows how to read this data from NOAA which is different from the AF planes,it would be good to have the help now.
http://www.storm2k.org/phpbb2/viewtopic.php?t=85603
Thanks Peter for posting it.
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cycloneye wrote:P.K. wrote:cycloneye wrote:If someone that knows how to read this data from NOAA which is different from the AF planes,it would be good to have the help now.
http://www.storm2k.org/phpbb2/viewtopic.php?t=85603
Thanks Peter for posting it.
I think you should sticky his post on the tropical analysis forum. It's on page 3 now.
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dwsqos2
455
UZNT13 KWBC 171910
XXAA 67198 99209 70489 07708 99970 26400 00504 00767 ///// /////
92424 24400 01506 85166 220// 03505 88999 77999
31313 09608 81837
61616 NOAA2 WXWXA HELENE OB 22
62626 SPL 2093N04889W 1839 WL150 01005 085 DLM WND 01504 970820 M
BL WND 01506 EYE SST 280=
XXBB 67198 99209 70489 07708 00970 26400 11958 25800 22903 23800
33819 21430
21212 00970 00504 11930 01507 22819 29002
31313 09608 81837
61616 NOAA2 WXWXA HELENE OB 22
62626 SPL 2093N04889W 1839 WL150 01005 085 DLM WND 01504 970820 M
BL WND 01506 EYE SST 280=
970 mb; surface winds of 4 knots
UZNT13 KWBC 171910
XXAA 67198 99209 70489 07708 99970 26400 00504 00767 ///// /////
92424 24400 01506 85166 220// 03505 88999 77999
31313 09608 81837
61616 NOAA2 WXWXA HELENE OB 22
62626 SPL 2093N04889W 1839 WL150 01005 085 DLM WND 01504 970820 M
BL WND 01506 EYE SST 280=
XXBB 67198 99209 70489 07708 00970 26400 11958 25800 22903 23800
33819 21430
21212 00970 00504 11930 01507 22819 29002
31313 09608 81837
61616 NOAA2 WXWXA HELENE OB 22
62626 SPL 2093N04889W 1839 WL150 01005 085 DLM WND 01504 970820 M
BL WND 01506 EYE SST 280=
970 mb; surface winds of 4 knots
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WindRunner
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OK, the little bit I can remember is that the SFMR (Stepped Frequency Microwave Radiometer) is a relatively new device (i.e. not always accurate) that will actually measure the surface winds. It has a general tendency to measure a little to the low end of the actual winds. Other than that, the winds are still flight level which appears to be around 5000ft, which is lower than usual and not a standard FL that I am aware of.
EDIT: I see it's all been figured out. OK, nm.
EDIT: I see it's all been figured out. OK, nm.
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cycloneye
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So if for example,if they find 100kt wind,what is the reduction?
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SouthFloridawx
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140600 2708 07909 4808 +0114 108039 +193 +171 108040 032 004
Taking the last line again:
14:06:00 GMT, 27.15N, 79.15W, Pressure altitude of 1465m [4808 feet], D value of +35m [+114 feet] (Geopotential Altitude - Pressure Altitude), wind direction 108 degrees, thirty second wind speed of 39kts, air
temperature of +19.3C, dewpoint temperature of +17.1C, peak wind ten second from 108 degrees, peak ten second average wind speed of 40kts, surface wind speed of 32kts from the SFMR, estimated rainfall rate of 4mm/hr (Shown as 999 if can not be calculated).
Last edited by P.K. on Thu Aug 03, 2006 4:48 am; edited 2 times in total
http://www.storm2k.org/phpbb2/viewtopic.php?t=85603
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WindRunner
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SouthFloridawx wrote:Looks like they are flying at 700mb. I think the reduction is 70% of the flight level wind X 1.15 = MPH
80.50 if I am correct.
First off, 700mb reduction is .9 - .7 is about 925mb reduction.
Second, I don't think they are at 700mb, because none of these drops have a 700mb height on them, which they generally would. Also, the 700mb level is usually what the USAF plane flies in storms, at around 3000m/10000ft. This is 5000ft, so I say unlikely.
First pressure reading, which should be shortly after leaving the plane (within a few mb) is 819mb on the eye drop. Nonstandard height and still above the vertical wind max in the storm. I don't know what we would use here, I'd want to look at that little typical wind profile chart that was posted on here a while back to be sure. Best guess right now is somewhere in the upper .8s, like .85 - .87 or so.
Last edited by WindRunner on Sun Sep 17, 2006 2:39 pm, edited 2 times in total.
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WindRunner wrote:SouthFloridawx wrote:Looks like they are flying at 700mb. I think the reduction is 70% of the flight level wind X 1.15 = MPH
80.50 if I am correct.
First off, 700mb reduction is .9 - .7 is about 925mb reduction.
Second, I don't think they are at 700mb, because none of these drops have a 700mb height on them, which they generally would. Also, the 700mb level is usually what the USAF plane flies in storms, at around 3000m/10000ft. This is 5000ft, so I say unlikely.
First pressure reading, which should be shortly after leaving the plane (within a few mb) is 819mb on the eye drop. Nonstandard height and still above the vertical wind max in the storm. I don't know what we would use here, I'd want to look at that little typical wind profile chart that was posted on here a while back to be sure. Best guess right now is somewhere in the upper .8s, like .85 - .87 or so.
If they are using 85% it would be about 91kts at the surface, 90% would be about 96kts
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cycloneye
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Derek knows a lot about these NOAA planes and the data as he went in one of their missions to Rita.It would be good to have him now to help us.
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SouthFloridawx
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Thunder44 wrote:WindRunner wrote:SouthFloridawx wrote:Looks like they are flying at 700mb. I think the reduction is 70% of the flight level wind X 1.15 = MPH
80.50 if I am correct.
First off, 700mb reduction is .9 - .7 is about 925mb reduction.
Second, I don't think they are at 700mb, because none of these drops have a 700mb height on them, which they generally would. Also, the 700mb level is usually what the USAF plane flies in storms, at around 3000m/10000ft. This is 5000ft, so I say unlikely.
First pressure reading, which should be shortly after leaving the plane (within a few mb) is 819mb on the eye drop. Nonstandard height and still above the vertical wind max in the storm. I don't know what we would use here, I'd want to look at that little typical wind profile chart that was posted on here a while back to be sure. Best guess right now is somewhere in the upper .8s, like .85 - .87 or so.
If they are using 85% it would be about 91kts at the surface, 90% would be about 96kts
My fault I think you are right about that reduction at 700mb.
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