Alert archive / Florida / Special Weather Statements in 2017

Special Weather Statement, NWS Tallahassee, FL

August 30, 2017Washington County, Florida

NWS Tallahassee, FL issued this special weather statement at Aug 30, 2017, 9:32 PM CDT for Washington County, Florida. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 30, 2017, 9:32 PM CDT (02:32 UTC)
Expired
Aug 30, 2017, 10:00 PM CDT
In force
28 min
Issued by
NWS Tallahassee, FL

County Washington County, FL

The radar

The Eglin Afb radar (KEVX), 23 km from the middle of the area, began a volume at 02:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 2.5 hours before the alert went out and 153 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 00:00Z on 2017-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1187 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2017-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1187 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1012 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Aug 30, 8:38 PM CDT, 54 minutes earlier.

Area forecast discussion, Aug 30, 8:38 PM CDT, 54 minutes before
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In the hours before

Special weather statement, Aug 30, 4:19 PM CDT, 5 hours 13 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
519 PM EDT WED AUG 30 2017

FLZ016-GAZ156-302200-
Gadsden FL-Decatur GA-
519 PM EDT WED AUG 30 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN GADSDEN AND
SOUTHEASTERN DECATUR COUNTIES UNTIL 600 PM EDT...

At 518 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm near Quincy, moving northeast at 10 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Quincy, Havana, Gretna, Attapulgus, Freemont, Littman, Douglas City,
Darsey, Florence, Concord, Scotland, Jamieson, Laingkat, Santa Clara,
Shady Rest, Amsterdam, Quincy Airport, Branchville, Hinson and
Dogtown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3074 8439 3072 8438 3069 8438 3069 8436
      3062 8432 3060 8433 3049 8456 3063 8469
      3082 8449
TIME...MOT...LOC 2118Z 238DEG 10KT 3062 8458

30-PULLIN
Special weather statement, Aug 30, 4:19 PM CDT, 5 hours 13 minutes before
Special Weather Statement
National Weather Service Tallahassee FL
519 PM EDT WED AUG 30 2017

GAZ131-148-302145-
Berrien GA-Irwin GA-
519 PM EDT WED AUG 30 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN IRWIN AND
NORTHEASTERN BERRIEN COUNTIES UNTIL 545 PM EDT...

At 516 PM EDT, National Weather Service doppler radar indicated a
strong thunderstorm over Alapaha, or 9 miles north of Nashville,
moving northeast at 15 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Alapaha, Glory and Bannockburn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3122 8323 3137 8334 3157 8306 3155 8307
      3148 8311 3147 8314 3146 8315 3144 8314
      3140 8314 3139 8312 3136 8310 3134 8307
      3132 8306 3130 8306 3129 8305
TIME...MOT...LOC 2116Z 237DEG 19KT 3134 8322

30-PULLIN
Local storm report, Aug 30, 4:45 PM CDT, 4 hours 47 minutes before
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Special weather statement, Aug 30, 7:27 PM CDT, 2 hours 5 minutes before
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Special weather statement, Aug 30, 7:28 PM CDT, 2 hours 4 minutes before
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Special weather statement, Aug 30, 9:32 PM CDT, 0 minutes before
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The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 30, 7:28 PM CDTSpecial Weather StatementTAEWalton47 min
Aug 30, 8:34 PM CDTSpecial Marine WarningTAE41 min
Aug 30, 9:33 PM CDTSpecial Marine WarningTAE57 min
Aug 30, 9:58 PM CDTSpecial Weather StatementTAEWashington47 min
Aug 30, 10:25 PM CDTSpecial Weather StatementTAEWashington50 min
Aug 30, 11:38 PM CDTSpecial Weather StatementTAEBay52 min
Aug 31, 1:55 AM CDTSpecial Marine WarningTAE35 min
Aug 31, 2:18 AM CDTSpecial Weather StatementTAEWalton42 min
Aug 31, 7:14 AM CDTSpecial Weather StatementTAEHolmes46 min
Aug 31, 9:03 AM CDTSevere Thunderstorm WarningTAEHolmes, Walton21 min
Aug 31, 9:45 AM CDTSpecial Marine WarningTAE30 min
Aug 31, 10:11 AM CDTSpecial Marine WarningTAE49 min
Aug 31, 10:54 AM CDTSpecial Weather StatementTAEWalton36 min
Aug 31, 11:22 AM CDTSpecial Weather StatementTAELeon23 min
Aug 31, 2:09 PM CDTSpecial Weather StatementTAELeon36 min
Aug 31, 2:16 PM CDTSpecial Weather StatementTAEWalton29 min
Aug 31, 2:46 PM CDTSpecial Weather StatementTAEWashington29 min
Aug 31, 3:11 PM CDTSpecial Weather StatementTAELeon19 min
Aug 31, 3:12 PM CDTSpecial Weather StatementTAEHolmes33 min
Aug 31, 3:13 PM CDTSpecial Weather StatementTAEJackson32 min
Aug 31, 3:26 PM CDTSevere Thunderstorm WarningTAEJackson27 min
Aug 31, 3:48 PM CDTSpecial Marine WarningTAE57 min
Aug 31, 4:23 PM CDTSpecial Weather StatementTAELiberty22 min
Aug 31, 4:40 PM CDTSpecial Weather StatementTAELiberty35 min
Aug 31, 4:42 PM CDTSpecial Marine WarningTAE2 hr
Aug 31, 4:51 PM CDTSpecial Weather StatementTAEGadsden24 min
Aug 31, 5:30 PM CDTSpecial Weather StatementTAELeon30 min
Aug 31, 5:35 PM CDTSpecial Marine WarningTAE55 min
Aug 31, 5:42 PM CDTSpecial Weather StatementTAEWakulla33 min
Aug 31, 5:43 PM CDTSpecial Weather StatementTAEGulf47 min
Aug 31, 5:59 PM CDTSpecial Weather StatementTAELeon31 min
Aug 31, 6:05 PM CDTSpecial Marine WarningTAE85 min
Aug 31, 6:26 PM CDTSpecial Weather StatementTAEWakulla34 min
Aug 31, 6:36 PM CDTSpecial Weather StatementTAEJefferson24 min
Aug 31, 10:29 AM CDTSpecial Weather StatementTAEClay, Early, Randolph46 min
Aug 31, 11:00 AM CDTSpecial Weather StatementTAETerrell30 min
Aug 31, 12:31 PM CDTSpecial Weather StatementTAEGrady29 min
Aug 31, 12:48 PM CDTSevere Thunderstorm WarningTAEThomas28 min
Aug 31, 1:33 PM CDTSpecial Weather StatementTAEBen Hill, Berrien, Colquitt, Irwin, Tift, Turner and 1 more42 min
Aug 31, 2:12 PM CDTSpecial Weather StatementTAEBen Hill, Berrien, Cook, Irwin33 min
Aug 31, 3:42 PM CDTSpecial Weather StatementTAEEarly33 min
Aug 31, 5:13 PM CDTSpecial Weather StatementTAEDecatur, Grady47 min
Aug 31, 5:16 PM CDTSevere Thunderstorm WarningTAEDecatur, Grady44 min
Aug 31, 6:03 PM CDTSpecial Weather StatementTAEThomas27 min
Aug 31, 6:18 PM CDTSevere Thunderstorm WarningTAEBrooks, Thomas36 min
Aug 30, 7:27 PM CDTSpecial Weather StatementTAECoffee, Dale, Geneva48 min
Aug 31, 3:38 AM CDTSpecial Weather StatementTAEGeneva52 min
Aug 31, 4:31 AM CDTSpecial Weather StatementTAEDale44 min
Aug 31, 4:34 AM CDTSpecial Weather StatementTAECoffee41 min
Aug 31, 5:21 AM CDTSpecial Weather StatementTAEDale39 min
Aug 31, 8:08 AM CDTSpecial Weather StatementTAECoffee52 min
Aug 31, 8:37 AM CDTSpecial Weather StatementTAECoffee53 min
Aug 31, 8:50 AM CDTSevere Thunderstorm WarningTAECoffee, Dale22 min
Aug 31, 9:37 AM CDTAreal Flood AdvisoryTAEDale53 min
Aug 31, 10:40 AM CDTSpecial Weather StatementTAEHouston35 min
Aug 31, 4:37 PM CDTSpecial Weather StatementTAEDale23 min
Aug 31, 4:58 PM CDTSpecial Weather StatementTAEDale32 min

Nearby

Special Weather Statements in Florida, 2017Every special weather statement in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.