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danielwAdministrator
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Reged:
Posts: 3527
Loc: Hattiesburg,MS (31.3N 89.3W)
Wind Speeds and Category
      Sun Sep 07 2008 09:32 PM

Remember, the wind speeds found above the surface. Whether by SFMR, dropsonde or HDOB are nearly Always reduced to the surface by roughly 90%.

100kt flight level wind reduces to roughly 90mph at the surface.

Flight level wind in knots x 1.15 = flight level wind in mph x 0.90 = surface wind estimate. This is for the 700mb or 10000ft flight level. But it is close enough for the lower levels.

Damage difference between a 100mph surface wind and a 140mph surface wind is roughly the difference between loosing your roofing materials to loosing your whole roof and more.

See the enhanced Fujita Scale at http://www.spc.noaa.gov for more information.

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Entire topic
Subject Posted by Posted on
* Ike Approaching Great Inagua, Hanna Extratropical MikeCAdministrator Sun Sep 07 2008 09:32 PM
. * * Re: Wind Speeds and Category Random Chaos   Mon Sep 08 2008 07:58 AM
. * * Re: Wind Speeds and Category Storm Cooper   Mon Sep 08 2008 04:41 AM
. * * Re: Wind Speeds and Category Raymond   Mon Sep 08 2008 04:27 AM
. * * Re: Wind Speeds and Category danielwAdministrator   Mon Sep 08 2008 03:19 AM
. * * Re: Wind Speeds and Category danielwAdministrator   Mon Sep 08 2008 03:15 AM
. * * Re: Wind Speeds and Category cate   Mon Sep 08 2008 02:36 AM
. * * Re: Wind Speeds and Category Rasvar   Mon Sep 08 2008 01:29 AM
. * * Re: Wind Speeds and Category scottsvb   Mon Sep 08 2008 12:51 AM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical cieldumort   Mon Sep 08 2008 12:40 AM
. * * Re: Wind Speeds and Category HCW   Sun Sep 07 2008 11:44 PM
. * * Re: Wind Speeds and Category danielwAdministrator   Sun Sep 07 2008 11:44 PM
. * * Re: Wind Speeds and Category Hugh   Sun Sep 07 2008 10:48 PM
. * * Re: Wind Speeds and Category LoisCane   Sun Sep 07 2008 10:33 PM
. * * Re: Wind Speeds and Category Random Chaos   Sun Sep 07 2008 09:44 PM
. * * Re: Wind Speeds and Category Hugh   Sun Sep 07 2008 09:36 PM
. * * Wind Speeds and Category danielwAdministrator   Sun Sep 07 2008 09:32 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Rasvar   Sun Sep 07 2008 09:05 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical MikeCAdministrator   Sun Sep 07 2008 09:03 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical ftlaudbob   Sun Sep 07 2008 08:52 PM
. * * Re: why this is a possible problem Hugh   Sun Sep 07 2008 08:11 PM
. * * Re: why this is a possible problem Random Chaos   Sun Sep 07 2008 08:06 PM
. * * why this is a possible problem LoisCane   Sun Sep 07 2008 08:03 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Rasvar   Sun Sep 07 2008 07:35 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Thunderbird12   Sun Sep 07 2008 07:32 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Hugh   Sun Sep 07 2008 07:10 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical smorse22   Sun Sep 07 2008 06:51 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical kromdog   Sun Sep 07 2008 06:47 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical JonB   Sun Sep 07 2008 06:41 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Colleen A.   Sun Sep 07 2008 06:30 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical JonB   Sun Sep 07 2008 06:00 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical doug   Sun Sep 07 2008 05:39 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical jf   Sun Sep 07 2008 05:39 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Myles   Sun Sep 07 2008 05:32 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical LoisCane   Sun Sep 07 2008 05:15 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical chase 22   Sun Sep 07 2008 05:15 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical jf   Sun Sep 07 2008 05:13 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Hugh   Sun Sep 07 2008 05:11 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical AdvAutoBob   Sun Sep 07 2008 05:00 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Hugh   Sun Sep 07 2008 04:56 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical MikeCAdministrator   Sun Sep 07 2008 04:50 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Raymond   Sun Sep 07 2008 04:49 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical WeatherNut   Sun Sep 07 2008 04:19 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical flahurricane   Sun Sep 07 2008 04:15 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Raymond   Sun Sep 07 2008 03:35 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Bev   Sun Sep 07 2008 03:32 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical rmiller1031   Sun Sep 07 2008 03:23 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Raymond   Sun Sep 07 2008 03:21 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical LoisCane   Sun Sep 07 2008 03:16 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical hurricane expert   Sun Sep 07 2008 03:15 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Random Chaos   Sun Sep 07 2008 01:58 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical scottsvb   Sun Sep 07 2008 01:49 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Hugh   Sun Sep 07 2008 01:08 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical pcola   Sun Sep 07 2008 01:02 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical danielwAdministrator   Sun Sep 07 2008 12:57 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Hugh   Sun Sep 07 2008 12:29 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical LoisCane   Sun Sep 07 2008 12:14 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Hugh   Sun Sep 07 2008 12:07 PM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical LoisCane   Sun Sep 07 2008 11:56 AM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical scottsvb   Sun Sep 07 2008 11:44 AM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical CDMOrlando   Sun Sep 07 2008 11:32 AM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical flahurricane   Sun Sep 07 2008 11:28 AM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical RU12   Sun Sep 07 2008 11:04 AM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical Hugh   Sun Sep 07 2008 11:02 AM
. * * Re: Ike Approaching Great Inagua, Hanna Extratropical vineyardsaker   Sun Sep 07 2008 10:57 AM
. * * Re: Ike Approaching Great Inauga, Hanna Extratropical Hugh   Sun Sep 07 2008 10:53 AM
. * * Re: Ike Approaching Great Inauga, Hanna Extratropical scottsvb   Sun Sep 07 2008 10:47 AM
. * * Re: Ike Approaching Great Inauga, Hanna Extratropical RU12   Sun Sep 07 2008 10:40 AM
. * * Re: Ike Approaching Great Inauga, Hanna Extratropical scottsvb   Sun Sep 07 2008 09:02 AM
. * * Re: Ike Approaching Great Inauga, Hanna Extratropical smorse22   Sun Sep 07 2008 08:55 AM

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