ATL: GASTON - Recon

[artist]

obs10

[clfenwi]

URNT15 KNHC 061703
AF302 0109A INVEST HDOB 11 20100906
165330 1727N 06033W 3761 08080 0461 -191 -267 081016 016 /// /// 03
165400 1728N 06030W 3759 08080 0461 -197 -265 080015 016 /// /// 03
165430 1729N 06028W 3758 08084 0460 -191 -251 078019 021 /// /// 03
165500 1729N 06025W 3759 08076 0459 -190 -242 080021 022 /// /// 03
165530 1730N 06023W 3758 08083 0459 -190 -233 084024 025 /// /// 03
165600 1730N 06020W 3758 08083 0460 -190 -222 086025 026 /// /// 03
165630 1731N 06018W 3761 08074 0461 -190 -213 087026 028 /// /// 03
165700 1732N 06016W 3759 08079 0459 -190 -202 086029 030 /// /// 03
165730 1732N 06013W 3758 08085 0461 -193 -199 094030 031 /// /// 03
165800 1733N 06011W 3761 08077 0462 -194 //// 097027 029 /// /// 05
165830 1734N 06008W 3757 08088 0462 -195 -200 095029 031 /// /// 05
165900 1734N 06006W 3759 08084 0461 -194 -227 094030 030 /// /// 03
165930 1735N 06003W 3758 08079 0462 -190 -231 093029 030 /// /// 03
170000 1735N 06001W 3761 08084 0462 -190 -233 091028 030 /// /// 03
170030 1736N 05958W 3759 08079 0461 -195 -235 091029 031 /// /// 03
170100 1737N 05956W 3758 08079 0461 -193 -247 087031 031 /// /// 03
170130 1737N 05954W 3760 08080 0460 -190 -257 085030 031 /// /// 03
170200 1738N 05951W 3761 08079 0460 -191 -260 090029 029 /// /// 03
170230 1739N 05949W 3757 08081 0459 -197 -275 095030 031 /// /// 03
170300 1739N 05947W 3759 08077 0459 -195 -302 097029 029 /// /// 03
$$
;

[artist]

Product: Air Force Tropical RECCO Message (URNT11 KNHC)
Transmitted: 6th day of the month at 17:02Z
Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 302)
Tropical Depression: Number 9 (flight in the North Atlantic basin)
Mission Number: 1
Observation Number: 03

Mandatory Data...

Observation Time: Monday, 16:58Z
Radar Capability: Yes
Aircraft Altitude: Below 10,000 meters
Coordinates: 17.6N 60.1W
Location: 120 miles (193 km) to the ENE (74°) from Saint John's, Antigua and Barbuda.
Turbulence: None
Conditions Along Flight Route: In the clear
Pressure Altitude: 7,620 meters
Flight Level Wind: From 100° at 29 knots (From the E at ~ 33.3 mph)
- The above is a spot wind.
- Winds were obtained using doppler radar or inertial systems.
Flight Level Temperature: -19°C
Flight Level Dew Point: -22°C
Weather (within 30 nautical miles): Broken clouds (5/8 to 7/8 cloud coverage)
400 mb Surface Altitude: 7,620 geopotential meters

[artist]

obs 11

[clfenwi]

Plane is starting its descent.

URNT15 KNHC 061713
AF302 0109A INVEST HDOB 12 20100906
170330 1740N 05944W 3758 08080 0458 -194 -265 094028 030 /// /// 03
170400 1740N 05942W 3761 08073 0458 -190 -222 086023 024 /// /// 03
170430 1741N 05939W 3757 08088 0459 -190 -198 082027 027 /// /// 03
170500 1742N 05937W 3759 08079 0460 -190 //// 077023 025 /// /// 05
170530 1742N 05935W 3761 08080 0460 -189 //// 076021 023 /// /// 05
170600 1743N 05932W 3761 08078 0459 -190 //// 086022 023 /// /// 05
170630 1743N 05930W 3758 08080 0459 -189 //// 092023 026 /// /// 05
170700 1744N 05927W 3756 08079 0457 -190 //// 090034 037 /// /// 05
170730 1745N 05925W 3762 08071 0457 -193 //// 086035 037 /// /// 05
170800 1745N 05923W 3758 08083 0460 -214 //// 080035 038 /// /// 05
170830 1746N 05920W 3759 08078 0461 -210 -221 081032 032 /// /// 03
170900 1746N 05918W 3760 08076 0461 -214 -251 091033 035 /// /// 03
170930 1747N 05916W 3797 08003 0455 -209 -259 088038 040 /// /// 03
171000 1748N 05913W 3901 07806 0446 -188 -265 089035 036 /// /// 03
171030 1748N 05911W 4016 07589 0431 -166 -275 091034 035 /// /// 03
171100 1749N 05908W 4135 07362 0417 -147 -280 093030 032 /// /// 03
171130 1749N 05906W 4265 07127 0400 -131 -287 093025 026 /// /// 03
171200 1750N 05904W 4392 06900 0385 -121 -308 081022 023 /// /// 03
171230 1751N 05901W 4531 06661 0369 -107 -313 071021 021 /// /// 03
171300 1751N 05901W 4531 06661 0353 -090 -311 075018 020 /// /// 03
$$
;

[artist]

obs12

[clfenwi]

Continuing to descend.

URNT15 KNHC 061723
AF302 0109A INVEST HDOB 13 20100906
171330 1752N 05856W 4827 06175 0346 -078 -289 064018 019 /// /// 03
171400 1752N 05854W 4989 05918 0330 -065 -247 064020 021 /// /// 03
171430 1753N 05851W 5158 05656 0314 -049 -207 060020 021 /// /// 03
171500 1754N 05849W 5335 05391 0297 -031 -168 057019 020 /// /// 03
171530 1754N 05846W 5506 05138 0123 -016 -152 072015 017 /// /// 03
171600 1755N 05844W 5691 04872 0117 +004 -157 091015 016 /// /// 03
171630 1755N 05841W 5872 04604 0106 +019 -159 097017 018 /// /// 03
171700 1756N 05839W 6057 04382 0129 +035 -155 090015 016 /// /// 03
171730 1757N 05837W 6254 04122 0134 +052 -145 084015 016 /// /// 03
171800 1757N 05834W 6433 03891 0133 +066 -133 085017 018 /// /// 03
171830 1758N 05832W 6648 03618 0135 +080 -117 084019 020 /// /// 03
171900 1759N 05829W 6864 03351 0129 +098 -098 083021 022 /// /// 03
171930 1759N 05827W 7091 03073 0128 +113 -076 082020 022 /// /// 03
172000 1800N 05825W 7341 02777 0122 +130 -057 081018 019 /// /// 03
172030 1800N 05822W 7593 02492 0120 +146 -033 077021 021 /// /// 03
172100 1801N 05820W 7857 02210 0129 +163 -006 082022 024 /// /// 03
172130 1801N 05818W 8137 01908 0129 +180 +007 086024 025 /// /// 03
172200 1802N 05816W 8385 01651 0131 +188 +023 086023 023 /// /// 03
172230 1802N 05814W 8617 01416 0138 +191 +038 084025 025 /// /// 03
172300 1803N 05813W 8864 01169 0144 +203 +052 079025 025 /// /// 03
$$
;

[artist]

Product: Air Force Temp Drop (Dropsonde) Message (UZNT13 KNHC)
Transmitted: 6th day of the month at 17:21Z
Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 302)
Tropical Depression: Number 9 (flight in the North Atlantic basin)
Mission Number: 1
Observation Number: 04

Part A...

Date: Near the closest hour of 17Z on the 6th day of the month
Highest Mandatory Level For Which Wind Was Reported: 400mb
Coordinates: 17.6N 60.1W
Location: 120 miles (193 km) to the ENE (74°) from Saint John's, Antigua and Barbuda.
Marsden Square: 043 (About)

Level Geo. Height Air Temp. Dew Point Wind Direction Wind Speed
1013mb (29.91 inHg) Sea Level (Surface) 28.2°C (82.8°F) 24.9°C (76.8°F) 40° (from the NE) 15 knots (17 mph)
1000mb 115m (377 ft) 27.2°C (81.0°F) 24.6°C (76.3°F) 45° (from the NE) 14 knots (16 mph)
925mb 803m (2,635 ft) 22.8°C (73.0°F) 20.1°C (68.2°F) 55° (from the NE) 13 knots (15 mph)
850mb 1,537m (5,043 ft) 18.8°C (65.8°F) 16.4°C (61.5°F) 70° (from the ENE) 17 knots (20 mph)
700mb 3,186m (10,453 ft) 12.0°C (53.6°F) Approximately 4°C (39°F) 80° (from the E) 19 knots (22 mph)
500mb 5,910m (19,390 ft) -5.9°C (21.4°F) Approximately -15°C (5°F) 85° (from the E) 25 knots (29 mph)
400mb 7,630m (25,033 ft) -16.3°C (2.7°F) -18.9°C (-2.0°F) 85° (from the E) 24 knots (28 mph)

Information About Radiosonde:
- Launch Time: 16:59Z
- About Sonde: A descending radiosonde tracked automatically by satellite navigation with no solar or infrared correction.

Remarks Section...

Splash Location: 17.56N 60.15W
Splash Time: 17:08Z

Release Location: 17.57N 60.09W
Release Time: 16:59:01Z

Splash Location: 17.56N 60.15W
Splash Time: 17:08:41Z

Mean Boundary Level Wind (mean wind in the lowest 500 geopotential meters of the sounding):
- Wind Direction: 40° (from the NE)
- Wind Speed: 15 knots (17 mph)

Deep Layer Mean Wind (average wind over the depth of the sounding):
- Wind Direction: 75° (from the ENE)
- Wind Speed: 19 knots (22 mph)
- Depth of Sounding: From 376mb to 1012mb

Average Wind Over Lowest Available 150 geopotential meters (gpm) of the sounding:
- Lowest 150m: 162 gpm - 12 gpm (531 geo. feet - 39 geo. feet)
- Wind Direction: 40° (from the NE)
- Wind Speed: 14 knots (16 mph)

Sounding Software Version: AEV 20801

Part B: Data For Significant Levels...

Significant Temperature And Relative Humidity Levels...
Level Air Temperature Dew Point
1013mb (Surface) 28.2°C (82.8°F) 24.9°C (76.8°F)
850mb 18.8°C (65.8°F) 16.4°C (61.5°F)
723mb 12.6°C (54.7°F) Approximately 6°C (43°F)
714mb 12.2°C (54.0°F) 7.9°C (46.2°F)
705mb 12.2°C (54.0°F) Approximately 4°C (39°F)
677mb 10.4°C (50.7°F) Approximately 1°C (34°F)
647mb 7.4°C (45.3°F) Approximately 2°C (36°F)
636mb 6.6°C (43.9°F) Approximately 0°C (32°F)
588mb 2.0°C (35.6°F) Approximately -3°C (27°F)
580mb 1.4°C (34.5°F) -1.1°C (30.0°F)
572mb 0.8°C (33.4°F) Approximately -6°C (21°F)
527mb -3.5°C (25.7°F) -7.3°C (18.9°F)
496mb -6.3°C (20.7°F) Approximately -17°C (1°F)
469mb -9.3°C (15.3°F) Approximately -17°C (1°F)
453mb -10.9°C (12.4°F) Approximately -23°C (-9°F)
445mb -11.5°C (11.3°F) -15.4°C (4.3°F)
436mb -12.1°C (10.2°F) -16.1°C (3.0°F)
417mb -14.1°C (6.6°F) -16.3°C (2.7°F)
376mb -19.5°C (-3.1°F) -22.8°C (-9.0°F)

Significant Wind Levels...
Level Wind Direction Wind Speed
1013mb (Surface) 40° (from the NE) 15 knots (17 mph)
936mb 55° (from the NE) 12 knots (14 mph)
850mb 70° (from the ENE) 17 knots (20 mph)
675mb 75° (from the ENE) 19 knots (22 mph)
633mb 95° (from the E) 13 knots (15 mph)
556mb 75° (from the ENE) 26 knots (30 mph)
477mb 95° (from the E) 26 knots (30 mph)
403mb 80° (from the E) 24 knots (28 mph)
376mb 95° (from the E) 30 knots (35 mph)
The highest wind observed in the "Significant Wind Levels" section is noted in bold.

[artist]

obs13

[clfenwi]

Flying at 1000 ft, in the nw corner of the storm.

URNT15 KNHC 061733
AF302 0109A INVEST HDOB 14 20100906
172330 1803N 05811W 9051 00989 0144 +209 +064 068023 025 /// /// 03
172400 1803N 05809W 9230 00817 0136 +216 +075 070024 025 /// /// 03
172430 1804N 05808W 9390 00665 0130 +227 +083 066026 026 /// /// 03
172500 1804N 05806W 9557 00498 0119 +236 +092 059026 027 /// /// 03
172530 1804N 05805W 9690 00389 0130 +246 +100 059025 026 /// /// 03
172600 1805N 05804W 9757 00327 0127 +252 +109 060027 027 /// /// 03
172630 1805N 05802W 9778 00307 0127 +251 +117 067027 028 /// /// 03
172700 1806N 05801W 9770 00313 0126 +251 +123 061024 024 /// /// 03
172730 1806N 05759W 9768 00315 0126 +252 +129 057025 026 031 001 03
172800 1806N 05758W 9770 00315 0126 +255 +135 059028 030 033 002 03
172830 1806N 05757W 9781 00305 0125 +255 +140 057030 031 /// /// 03
172900 1805N 05755W 9770 00314 0125 +249 +145 058032 034 036 002 03
172930 1805N 05754W 9773 00310 0127 +227 +149 062033 034 038 003 00
173000 1804N 05753W 9772 00309 0125 +238 +148 070028 029 036 010 03
173030 1803N 05752W 9766 00316 0124 +245 +147 066027 027 031 001 03
173100 1801N 05751W 9773 00309 0123 +247 +149 061026 028 030 001 03
173130 1800N 05750W 9768 00313 0123 +247 +152 063028 028 032 000 03
173200 1759N 05749W 9771 00310 0122 +247 +155 063027 028 031 000 03
173230 1758N 05748W 9772 00309 0122 +248 +158 064029 030 031 000 03
173300 1757N 05747W 9755 00325 0122 +245 +160 065028 029 031 000 03
$$
;

[artist]

Product: Air Force Tropical RECCO Message (URNT11 KNHC)
Transmitted: 6th day of the month at 17:32Z
Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 302)
Tropical Depression: Number 9 (flight in the North Atlantic basin)
Mission Number: 1
Observation Number: 05

Mandatory Data...

Observation Time: Monday, 17:30Z
Radar Capability: Yes
Aircraft Altitude: Below 10,000 meters
Coordinates: 18.1N 57.9W
Location: 536 miles (863 km) to the E (92°) from San Juan, Puerto Rico (USA).
Turbulence: None
Conditions Along Flight Route: In the clear
Pressure Altitude: 310 meters
Flight Level Wind: From 70° at 27 knots (From the ENE at ~ 31.0 mph)
- The above is a spot wind.
- Winds were obtained using doppler radar or inertial systems.
Flight Level Temperature: 25°C
Flight Level Dew Point: 15°C
Weather (within 30 nautical miles): Shower(s) (continuous or intermittent precipitation - from cumuliform clouds)
Mean Sea Level Pressure (MSLP): 1012 mb (extrapolated)

Optional Data...

Estimated Surface Wind: From 60° at 30 knots (From the ENE at ~ 34.5 mph)

Remarks Section...

Surface Wind Speed (likely by SFMR): 30 knots (~ 34.5mph)

[artist]

obs14

[ColinDelia]

That 38 knots sfmr was unflagged . Legit?

[clfenwi]

URNT15 KNHC 061743
AF302 0109A INVEST HDOB 15 20100906
173330 1756N 05745W 9770 00312 0123 +246 +163 068026 028 032 000 03
173400 1755N 05744W 9772 00312 0124 +246 +165 069026 026 032 000 03
173430 1753N 05743W 9769 00313 0123 +246 +167 068026 026 031 000 03
173500 1752N 05741W 9772 00310 0122 +245 +168 068023 024 030 000 00
173530 1751N 05740W 9770 00312 0122 +245 +170 067024 024 029 000 03
173600 1750N 05739W 9770 00310 0122 +246 +171 067023 023 029 000 00
173630 1748N 05737W 9772 00309 0121 +246 +173 066022 023 027 000 03
173700 1747N 05736W 9770 00309 0120 +247 +174 066022 022 026 000 00
173730 1746N 05735W 9771 00308 0119 +250 +176 064023 023 025 000 03
173800 1744N 05733W 9771 00307 0118 +248 +178 060022 022 026 000 00
173830 1743N 05732W 9771 00306 0117 +243 +180 055020 022 029 000 03
173900 1742N 05730W 9769 00307 0115 +247 +181 058019 020 027 000 03
173930 1740N 05729W 9644 00419 0116 +240 +180 065018 018 027 000 03
174000 1739N 05728W 9634 00430 0119 +239 +179 062017 017 028 000 03
174030 1738N 05727W 9634 00429 0117 +240 +179 065018 019 027 000 03
174100 1737N 05725W 9629 00434 0116 +240 +178 062016 016 027 000 03
174130 1736N 05724W 9625 00437 0115 +240 +177 060013 014 025 000 03
174200 1735N 05723W 9627 00434 0115 +240 +177 054011 012 024 000 03
174230 1733N 05722W 9629 00433 0115 +241 +177 068009 009 021 000 03
174300 1732N 05721W 9627 00435 0116 +244 +177 079007 008 022 000 03
$$
;

[artist]

obs15

[clfenwi]

Through the center, now in southeast quadrant.

URNT15 KNHC 061753
AF302 0109A INVEST HDOB 16 20100906
174330 1731N 05720W 9626 00437 0116 +242 +177 092006 006 023 000 03
174400 1730N 05719W 9623 00440 0117 +240 +178 098005 005 025 002 03
174430 1728N 05718W 9637 00427 0120 +225 +177 139007 008 036 006 03
174500 1727N 05718W 9623 00441 0119 +234 +174 147010 011 027 000 03
174530 1726N 05717W 9625 00440 0122 +229 +172 154010 010 028 000 03
174600 1725N 05716W 9623 00444 0124 +233 +170 161010 010 027 000 03
174630 1723N 05715W 9630 00442 0127 +235 +169 152011 013 030 000 03
174700 1722N 05714W 9625 00449 0132 +220 +169 147019 022 042 009 03
174730 1721N 05713W 9631 00442 0134 +204 +167 142020 022 056 034 03
174800 1720N 05712W 9635 00434 0132 +184 +161 087011 017 056 023 03
174830 1718N 05712W 9597 00457 0126 +185 +151 133008 014 057 038 03
174900 1717N 05711W 9646 00421 0128 +170 +143 220003 011 061 043 03
174930 1716N 05709W 9617 00443 0117 +187 +134 238016 019 056 021 03
175000 1715N 05707W 9617 00449 0128 +205 +130 212015 018 047 005 03
175030 1715N 05706W 9634 00437 0131 +213 +131 186014 015 036 005 00
175100 1714N 05704W 9632 00440 0133 +211 +133 181013 014 035 004 00
175130 1713N 05703W 9629 00444 0133 +221 +136 176013 014 /// /// 03
175200 1712N 05701W 9627 00446 0131 +233 +139 183013 013 /// /// 03
175230 1712N 05659W 9626 00447 0130 +234 +143 183012 012 /// /// 03
175300 1711N 05658W 9618 00454 0126 +236 +147 185013 014 021 000 03
$$
;

[artist]

obs16

[clfenwi]

Headed north along the eastern edge of the storm. Note that SFMR is on the fritz.

URNT15 KNHC 061803
AF302 0109A INVEST HDOB 17 20100906
175330 1709N 05657W 9623 00452 0131 +235 +153 190012 013 021 000 03
175400 1708N 05655W 9627 00447 0130 +236 +160 204011 012 021 000 03
175430 1706N 05654W 9626 00448 0130 +235 +166 196011 011 /// /// 03
175500 1705N 05653W 9627 00446 0129 +235 +171 187012 013 /// /// 03
175530 1704N 05652W 9626 00447 0129 +234 +175 181015 017 /// /// 03
175600 1702N 05651W 9626 00447 0128 +235 +178 182017 017 /// /// 03
175630 1701N 05650W 9625 00447 0128 +236 +181 187017 017 023 000 03
175700 1659N 05648W 9625 00449 0129 +237 +183 186017 017 024 000 03
175730 1658N 05647W 9628 00445 0130 +232 +186 180015 016 034 000 03
175800 1656N 05646W 9627 00448 0131 +231 +188 178018 019 033 000 03
175830 1655N 05645W 9630 00445 0133 +224 +187 178021 022 031 001 03
175900 1655N 05643W 9626 00449 0133 +223 +186 174021 022 /// /// 03
175930 1657N 05642W 9627 00446 0131 +230 +183 169019 020 027 003 03
180000 1659N 05642W 9628 00446 0131 +230 +182 173018 019 028 000 03
180030 1701N 05642W 9626 00448 0129 +234 +181 177019 020 028 001 03
180100 1703N 05643W 9627 00446 0129 +231 +182 173019 019 028 000 03
180130 1705N 05643W 9625 00446 0130 +218 +182 170021 021 031 001 03
180200 1707N 05643W 9625 00447 0132 +203 +180 164022 023 033 000 03
180230 1709N 05643W 9629 00443 0128 +230 +176 166022 023 029 001 03
180300 1711N 05643W 9627 00444 0129 +227 +175 167023 024 028 000 03
$$
;

[artist]

Product: Air Force Tropical RECCO Message (URNT11 KNHC)
Transmitted: 6th day of the month at 18:01Z
Aircraft: Air Force Aircraft (Last 3 digits of the tail number are 302)
Tropical Depression: Number 9 (flight in the North Atlantic basin)
Mission Number: 1
Observation Number: 06

Mandatory Data...

Observation Time: Monday, 17:58Z
Radar Capability: Yes
Aircraft Altitude: Below 10,000 meters
Coordinates: 16.9N 56.8W
Location: 323 miles (520 km) to the NE (35°) from Bridgetown, Barbados.
Turbulence: None
Conditions Along Flight Route: In the clear
Pressure Altitude: 430 meters
Flight Level Wind: From 180° at 17 knots (From the S at ~ 19.5 mph)
- The above is a spot wind.
- Winds were obtained using doppler radar or inertial systems.
Flight Level Temperature: 23°C
Flight Level Dew Point: 19°C
Weather (within 30 nautical miles): Thunderstorm(s)
Mean Sea Level Pressure (MSLP): 1013 mb (extrapolated)

Optional Data...

Estimated Surface Wind: From 180° at 25 knots (From the S at ~ 28.7 mph)

[artist]

obs17