Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 83, NWS Tallahassee, FL

April 3, 2012Gadsden County, Leon County, Wakulla County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 3, 2012, 3:02 PM EDT for Gadsden County, Leon County, Wakulla County, Florida. It was in force for 28 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 3, 2012, 3:02 PM EDT (19:02 UTC)
Expired
Apr 3, 2012, 3:30 PM EDT
In force
28 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Gadsden County, FL, Leon County, FL, Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 8 km from the middle of the area, began a volume at 19:03 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.

What was reported inside it

TimeReportWhereRemark
Apr 3, 3:14 PM EDTTSTM WND DMG2 Sse Tallahassee, FLTREE DOWN ON KENDALL DRIVE
Apr 3, 3:17 PM EDTTSTM WND DMG2 Nne Tallahassee, FLTREE DOWN NEAR BETTON AND MARION AVE NEAR LAKE WINTHROP PARK

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.0 hours before the alert went out and 6 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 2012-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 984 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 2012-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939Sfc1 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
984 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
995 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
89 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.

804 
WUUS52 KTAE 031902
SVRTAE
FLC039-073-129-031930-
/O.NEW.KTAE.SV.W.0083.120403T1902Z-120403T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
302 PM EDT TUE APR 3 2012

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN GADSDEN COUNTY IN FLORIDA...
  LEON COUNTY IN FLORIDA...
  EXTREME NORTH CENTRAL WAKULLA COUNTY IN FLORIDA...

* UNTIL 330 PM EDT

* AT 259 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH.  THIS STORM WAS LOCATED NEAR TALLAHASSEE...OR NEAR TALLAHASSEE
  REGIONAL A/P...AND MOVING NORTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEON
  COUNTY CIVIC CENTER AND STATE CAPITAL COMPLEX

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT
AWAY FROM WINDOWS.

&&

LAT...LON 3060 8425 3037 8408 3027 8437 3043 8448
TIME...MOT...LOC 1902Z 240DEG 23KT 3040 8433

$$

15-HARRIGAN
2 follow-up statements
762 
WWUS52 KTAE 031910
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
310 PM EDT TUE APR 3 2012

FLC039-129-031920-
/O.CAN.KTAE.SV.W.0083.000000T0000Z-120403T1930Z/
GADSDEN FL-WAKULLA FL-
310 PM EDT TUE APR 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTH CENTRAL WAKULLA
AND SOUTHEASTERN GADSDEN COUNTIES IS CANCELLED...

LAT...LON 3057 8424 3037 8408 3033 8432 3041 8440
TIME...MOT...LOC 1910Z 240DEG 23KT 3043 8428

$$

FLC073-031930-
/O.CON.KTAE.SV.W.0083.000000T0000Z-120403T1930Z/
LEON FL-
310 PM EDT TUE APR 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR CENTRAL LEON COUNTY...

AT 308 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED
NEAR BRAGG STADIUM...MOVING NORTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEVY
PARK...TALLAHASSEE MALL...INDIAN HEAD ACRES...LAKE ELLA...GOVERNORS
SQUARE MALL...WINTHROP PARK...SOUTHWOOD...TALLAHASSEE MEMORIAL
HOSP...MACON COMMUNITY PARK...TOM BROWN PARK...MACLAY STATE
GARDENS...FALLSCHASE...KILLEARN ESTATES...RALFORD GREENWAY AND
APALACHEE REGIONAL PARK

LAT...LON 3057 8424 3037 8408 3033 8432 3041 8440
TIME...MOT...LOC 1910Z 240DEG 23KT 3043 8428

$$
15-HARRIGAN
526 
WWUS52 KTAE 031922
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
322 PM EDT TUE APR 3 2012

FLC073-031930-
/O.CON.KTAE.SV.W.0083.000000T0000Z-120403T1930Z/
LEON FL-
322 PM EDT TUE APR 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR CENTRAL LEON COUNTY...

AT 317 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED
NEAR TOM BROWN PARK...MOVING NORTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RALFORD
GREENWAY AND APALACHEE REGIONAL PARK

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 3039 8424 3049 8430 3057 8424 3041 8411
TIME...MOT...LOC 1922Z 240DEG 23KT 3047 8420

$$

15-HARRIGAN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 7:19 AM EDTSpecial Marine WarningTAE86 min
Apr 3, 3:20 PM EDTSevere Thunderstorm WarningTAEGadsden, Leon25 min
Apr 3, 3:26 PM EDTSevere Thunderstorm WarningTAEJefferson, Leon34 min
Apr 3, 3:28 PM EDTSevere Thunderstorm WarningTAEWakulla32 min
Apr 3, 3:38 PM EDTSevere Thunderstorm WarningTAEGadsden, Leon37 min
Apr 3, 3:48 PM EDTSevere Thunderstorm WarningTAEJefferson, Leon27 min
Apr 3, 3:56 PM EDTSevere Thunderstorm WarningTAELeon34 min
Apr 3, 4:06 PM EDTSevere Thunderstorm WarningTAEJefferson, Leon24 min
Apr 3, 4:16 PM EDTSevere Thunderstorm WarningTAEJefferson, Leon29 min
Apr 3, 4:22 PM EDTSpecial Weather StatementTAEWashington38 min
Apr 3, 4:28 PM EDTSevere Thunderstorm WarningTAEJefferson, Leon32 min
Apr 3, 4:57 PM EDTSevere Thunderstorm WarningTAEJefferson33 min

Nearby

Severe Thunderstorm Warnings in Florida, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.