Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Tallahassee, FL

May 7, 2012Madison County, Florida

NWS Tallahassee, FL issued this special weather statement at May 7, 2012, 6:21 PM EDT for Madison County, Florida. It was in force for 54 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
May 7, 2012, 6:21 PM EDT (22:21 UTC)
Expired
May 7, 2012, 7:15 PM EDT
In force
54 min
Issued by
NWS Tallahassee, FL

County Madison County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.4 hours before the alert went out and 95 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 12:00Z on 2012-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 159 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2012-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
159 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
934 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

651 
WWUS82 KTAE 072221
SPSTAE

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
621 PM EDT MON MAY 7 2012

FLZ019-029-072315-
LAFAYETTE FL-MADISON FL-
621 PM EDT MON MAY 7 2012

...SIGNIFICANT WEATHER ADVISORY IN EFFECT FOR LAFAYETTE AND MADISON
COUNTIES...

* UNTIL 715 PM EDT

AT 617 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM MADISON TO 7 MILES
NORTHEAST OF LURAVILLE...OR ALONG A LINE EXTENDING FROM HOPEWELL TO 7
MILES NORTHEAST OF LURAVILLE...MOVING NORTHWEST AT 10 MPH.

WINDS OF 40 TO 50 MPH AND PENNY SIZE HAIL ARE EXPECTED WITH THESE 
STORMS.

THIS STORM IS ALSO PRODUCING TORRENTIAL DOWNPOURS WHICH MAY REDUCE 
VISIBILITY AND CAUSE PONDING OF WATER ON ROADWAYS.

LAT...LON 3029 8322 3023 8325 3025 8334 3036 8353
      3052 8354 3035 8320 3031 8321
TIME...MOT...LOC 2220Z 139DEG 8KT 3041 8346 3019 8307

$$

18-WOOL

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 3:45 PM EDTSpecial Weather StatementTAECalhoun30 min
May 7, 5:22 PM EDTSpecial Weather StatementTAELeon38 min
May 7, 6:02 PM EDTSpecial Weather StatementTAELeon58 min
May 7, 7:15 PM EDTSpecial Weather StatementTAEMadison45 min

Nearby

Special Weather Statements in Florida, 2012Every special weather statement in 2012

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.