Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 87, NWS Tallahassee, FL

April 3, 2012Gadsden County, Leon County, Florida; Grady County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 3, 2012, 3:38 PM EDT for Gadsden County, Leon County, Florida; Grady County, Georgia. It was in force for 37 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, 3:38 PM EDT (19:38 UTC)
Expired
Apr 3, 2012, 4:15 PM EDT
In force
37 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Gadsden County, FL, Leon County, FL, Grady County, GA

The radar

The Tallahassee radar (KTLH), 38 km from the middle of the area, began a volume at 19:40 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, 3:49 PM EDTTSTM WND DMG2 Nnw Lake Iamonia, FLTREE DOWN NEAR MERIDIAN HILLS ROAD AND BUCKHORN DRIVE
Apr 3, 3:49 PM EDTTSTM WND DMG2 Wsw Iamonia, FLTREE DOWN IN THE COUNTY ROAD 12 AREA OF GALLIEN ROAD

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, 7.6 hours before the alert went out and 37 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°0°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.

043 
WUUS52 KTAE 031938
SVRTAE
FLC039-073-GAC131-032015-
/O.NEW.KTAE.SV.W.0087.120403T1938Z-120403T2015Z/

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

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME NORTHEASTERN GADSDEN COUNTY IN FLORIDA...
  NORTH CENTRAL LEON COUNTY IN FLORIDA...
  SOUTHEASTERN GRADY COUNTY IN SOUTHWEST GEORGIA...

* UNTIL 415 PM EDT

* AT 336 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR LAKE
  IAMONIA...AND MOVING NORTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  IAMONIA...ROCKY HILL...RENO...MONCRIEF...BEACHTON AND PRINCES STILL

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 3085 8427 3078 8408 3070 8410 3066 8413
      3057 8422 3063 8436
TIME...MOT...LOC 1939Z 207DEG 22KT 3065 8423

$$

15-HARRIGAN
1 follow-up statement
286 
WWUS52 KTAE 032008
SVSTAE

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

FLC039-032018-
/O.CAN.KTAE.SV.W.0087.000000T0000Z-120403T2015Z/
GADSDEN FL-
408 PM EDT TUE APR 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTHEASTERN GADSDEN
COUNTY IS CANCELLED...

LAT...LON 3076 8426 3082 8420 3078 8408 3070 8410
      3066 8413
TIME...MOT...LOC 2008Z 207DEG 22KT 3081 8414

$$

FLC073-GAC131-032015-
/O.CON.KTAE.SV.W.0087.000000T0000Z-120403T2015Z/
GRADY GA-LEON FL-
408 PM EDT TUE APR 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR EXTREME NORTHEASTERN LEON AND SOUTHEASTERN GRADY COUNTIES...

AT 403 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
 THIS STORM WAS LOCATED NEAR BEACHTON...MOVING NORTHEAST AT 25 MPH.

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 3076 8426 3082 8420 3078 8408 3070 8410
      3066 8413
TIME...MOT...LOC 2008Z 207DEG 22KT 3081 8414

$$

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, 3:02 PM EDTSevere Thunderstorm WarningTAEGadsden, Leon, Wakulla28 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, 3:48 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
Apr 3, 4:17 PM EDTSpecial Weather StatementTAEClay43 min
Apr 3, 4:26 PM EDTSevere Thunderstorm WarningTAEBrooks, Grady, Thomas34 min
Apr 3, 4:54 PM EDTSpecial Weather StatementTAEQuitman51 min
Apr 3, 5:07 PM EDTSevere Thunderstorm WarningTAEBrooks, Colquitt, Cook, Thomas23 min
Apr 3, 5:21 PM EDTSpecial Weather StatementTAEEarly39 min
Apr 3, 5:24 PM EDTSevere Thunderstorm WarningTAEEarly17 min

Nearby

Severe Thunderstorm Warnings in Florida, 2012Severe Thunderstorm Warnings in Georgia, 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.