TS Alberto Recon Reports

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Brent
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#281 Postby Brent » Sat Jun 10, 2006 5:05 pm

Thunder44 wrote:How high are they flying?


2149 2317N 08512W 00219 5053 098 041 220 220 042 00174 0000000000

5,000 feet?
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#282 Postby WindRunner » Sat Jun 10, 2006 5:06 pm

Thunder44 wrote:How high are they flying?


160-180 meters = 500-600 feet
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#283 Postby Derek Ortt » Sat Jun 10, 2006 5:06 pm

.9 is the WRONG reduction to apply at 1500ft. You use .75

the 42KT wind equates to 31.75KT at the surface, still a TD and no special update is necessary
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#284 Postby WindRunner » Sat Jun 10, 2006 5:06 pm

Derek Ortt wrote:.9 is the WRONG reduction to apply at 1500ft. You use .75

the 42KT wind equates to 31.75KT at the surface, still a TD and no special update is necessary


What in there tells you they are at 1500 feet?
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#285 Postby P.K. » Sat Jun 10, 2006 5:07 pm

WindRunner wrote:
See, this is why I am confused PK. The NHC would always reference the 10th column in the discussions when mentioning winds found by the recon, not the 7th. I haven't seen them ever reference the 7th. I guess they might allow for the fact that there are probably stronger winds in the system and use the 10 second wind to allow for that fact, but I don't know.


I'm only going by the pdf linked to on Senorpepr's recon page for miniobs (The link is currently broken). I think the NHC do refer to the tenth column at times which does seem odd as a ten second reading really is subject to gusts.
Last edited by P.K. on Sat Jun 10, 2006 5:10 pm, edited 1 time in total.
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#286 Postby WindRunner » Sat Jun 10, 2006 5:08 pm

SXXX50 KNHC 102203
AF301 01AAA INVEST HDOB 39 KNHC
2156 2334N 08516W 00219 5047 099 036 228 226 038 00181 0000000000
2156. 2334N 08518W 00221 5047 098 038 230 224 040 00182 0000000000
2157 2334N 08520W 00220 5048 098 036 230 226 037 00180 0000000000
2157. 2334N 08522W 00219 5050 099 040 230 220 041 00178 0000000000
2158 2334N 08524W 00220 5051 097 041 226 224 042 00177 0000000000
2158. 2334N 08526W 00220 5051 098 043 226 224 045 00177 0000000000
2159 2333N 08528W 00219 5052 098 044 226 222 045 00176 0000000000
2159. 2333N 08530W 00221 5053 097 043 226 224 043 00176 0000000000
2200 2333N 08533W 00220 5053 098 043 226 224 045 00175 0000000000
2200. 2333N 08535W 00220 5053 099 044 230 222 045 00175 0000000000
2201 2333N 08537W 00221 5053 098 041 230 226 043 00176 0000000000
2201. 2333N 08539W 00220 5054 098 040 230 228 040 00175 0000000000
2202 2333N 08541W 00219 5053 098 042 230 224 045 00174 0000000000
2202. 2333N 08543W 00219 5053 097 038 232 226 041 00175 0000000000
2203 2333N 08545W 00223 5052 096 039 230 226 041 00179 0000000000
2203. 2333N 08547W 00220 5052 096 041 230 224 043 00175 0000000000
2204 2333N 08549W 00220 5052 097 039 232 226 041 00175 0000000000
2204. 2332N 08551W 00220 5052 095 039 232 226 040 00176 0000000000
2205 2332N 08553W 00220 5052 094 038 234 224 040 00176 0000000000
2205. 2332N 08555W 00220 5052 094 038 234 226 039 00176 0000000000


That's a heck of a lot of 45kts's!
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#287 Postby Bgator » Sat Jun 10, 2006 5:08 pm

WindRunner wrote:
Derek Ortt wrote:.9 is the WRONG reduction to apply at 1500ft. You use .75

the 42KT wind equates to 31.75KT at the surface, still a TD and no special update is necessary


What in there tells you they are at 1500 feet?


I heard .9 by many people, u sure its .75?
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#288 Postby Brent » Sat Jun 10, 2006 5:08 pm

WindRunner wrote:SXXX50 KNHC 102203
AF301 01AAA INVEST HDOB 39 KNHC
2156 2334N 08516W 00219 5047 099 036 228 226 038 00181 0000000000
2156. 2334N 08518W 00221 5047 098 038 230 224 040 00182 0000000000
2157 2334N 08520W 00220 5048 098 036 230 226 037 00180 0000000000
2157. 2334N 08522W 00219 5050 099 040 230 220 041 00178 0000000000
2158 2334N 08524W 00220 5051 097 041 226 224 042 00177 0000000000
2158. 2334N 08526W 00220 5051 098 043 226 224 045 00177 0000000000
2159 2333N 08528W 00219 5052 098 044 226 222 045 00176 0000000000
2159. 2333N 08530W 00221 5053 097 043 226 224 043 00176 0000000000
2200 2333N 08533W 00220 5053 098 043 226 224 045 00175 0000000000
2200. 2333N 08535W 00220 5053 099 044 230 222 045 00175 0000000000
2201 2333N 08537W 00221 5053 098 041 230 226 043 00176 0000000000
2201. 2333N 08539W 00220 5054 098 040 230 228 040 00175 0000000000
2202 2333N 08541W 00219 5053 098 042 230 224 045 00174 0000000000
2202. 2333N 08543W 00219 5053 097 038 232 226 041 00175 0000000000
2203 2333N 08545W 00223 5052 096 039 230 226 041 00179 0000000000
2203. 2333N 08547W 00220 5052 096 041 230 224 043 00175 0000000000
2204 2333N 08549W 00220 5052 097 039 232 226 041 00175 0000000000
2204. 2332N 08551W 00220 5052 095 039 232 226 040 00176 0000000000
2205 2332N 08553W 00220 5052 094 038 234 224 040 00176 0000000000
2205. 2332N 08555W 00220 5052 094 038 234 226 039 00176 0000000000


That's a heck of a lot of 45kts's!


WOW...
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#289 Postby CrazyC83 » Sat Jun 10, 2006 5:08 pm

Special Advisory at 7 pm I bet you!
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#290 Postby WindRunner » Sat Jun 10, 2006 5:10 pm

Bgator wrote:
WindRunner wrote:
Derek Ortt wrote:.9 is the WRONG reduction to apply at 1500ft. You use .75

the 42KT wind equates to 31.75KT at the surface, still a TD and no special update is necessary


What in there tells you they are at 1500 feet?


I heard .9 by many people, u sure its .75?


Doesn't matter any more.

45kts * .75 = 33.75kts, or Tropical Storm Strength!

45kts * .9 = 40.5kts
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#291 Postby Extremeweatherguy » Sat Jun 10, 2006 5:11 pm

Bgator wrote:
WindRunner wrote:
Derek Ortt wrote:.9 is the WRONG reduction to apply at 1500ft. You use .75

the 42KT wind equates to 31.75KT at the surface, still a TD and no special update is necessary


What in there tells you they are at 1500 feet?


I heard .9 by many people, u sure its .75?
even if .75...with the new 45kt. readings that would equate to 33.75knot surface winds which is about 39mph (TS).
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#292 Postby CrazyC83 » Sat Jun 10, 2006 5:12 pm

Hello Alberto!
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#293 Postby WindRunner » Sat Jun 10, 2006 5:12 pm

I've got to go now, someone else needs to take over recon. Dinner time.
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#294 Postby Evil Jeremy » Sat Jun 10, 2006 5:12 pm

Tropical Storm Alberto is here!
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#295 Postby Thunder44 » Sat Jun 10, 2006 5:12 pm

If Derek is right with his reduction 45kts equates 33.75 kts at the surface. Just under TS strength.
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#296 Postby lester » Sat Jun 10, 2006 5:13 pm

CrazyC83 wrote:Hello Alberto!

they'll probably issue an spec. adv. any minute now
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#297 Postby Extremeweatherguy » Sat Jun 10, 2006 5:13 pm

Thunder44 wrote:If Derek is right with his reduction 45kts equates 33.75 kts at the surface. Just under TS strength.
yeah by .25knots...if you round up you get 34 knots = 39mph.
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#298 Postby gatorcane » Sat Jun 10, 2006 5:13 pm

lester88 wrote:
CrazyC83 wrote:Hello Alberto!

they'll probably issue an spec. adv. any minute now


maybe not - they are typically conservative and the system seems disorganized still....
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#299 Postby CHRISTY » Sat Jun 10, 2006 5:13 pm

lets see if they upgrade or issue a special update...
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#300 Postby TrekkerCC » Sat Jun 10, 2006 5:14 pm

Bgator wrote:
WindRunner wrote:
Derek Ortt wrote:.9 is the WRONG reduction to apply at 1500ft. You use .75

the 42KT wind equates to 31.75KT at the surface, still a TD and no special update is necessary


What in there tells you they are at 1500 feet?


I heard .9 by many people, u sure its .75?


In mature hurricane and when the airplane is flying at the 700mb flight level (in mature hurricanes), the correct flight wind conversion factor is .90. In weak storms and when the hurricane hunters are flying at low flight levels, I seen meteorologists quote the flight wind conversion factor at .75 to .80.

A good study of the flight wind profile in mature hurricanes can be found here: http://www.nhc.noaa.gov/aboutwindprofile.shtml
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