Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 93, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 3, 2012, 4:28 PM EDT for Jefferson County, Leon County, Florida; Thomas County, Georgia. It was in force for 32 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
- Apr 3, 2012, 4:28 PM EDT (20:28 UTC)
- Expired
- Apr 3, 2012, 5:00 PM EDT
- In force
- 32 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
Counties Jefferson County, FL, Leon County, FL, Thomas County, GA
The radar
The Tallahassee radar (KTLH), 47 km from the middle of the area, began a volume at 20:31 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 12:00Z, 8.5 hours before the alert went out and 45 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
042
WUUS52 KTAE 032028
SVRTAE
FLC065-073-GAC275-032100-
/O.NEW.KTAE.SV.W.0093.120403T2028Z-120403T2100Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
428 PM EDT TUE APR 3 2012
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL JEFFERSON COUNTY IN FLORIDA...
NORTHEASTERN LEON COUNTY IN FLORIDA...
SOUTH CENTRAL THOMAS COUNTY IN SOUTH CENTRAL GEORGIA...
* UNTIL 500 PM EDT
* AT 426 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 FESTUS...
AND MOVING NORTHEAST AT 35 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
FINCHER...JARROTT...ALMA AND METCALF
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 3079 8398 3068 8377 3061 8384 3051 8400
3060 8413
TIME...MOT...LOC 2028Z 220DEG 30KT 3063 8399
$$
15-HARRIGAN1 follow-up statement
493
WWUS52 KTAE 032048
SVSTAE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
448 PM EDT TUE APR 3 2012
FLC073-032058-
/O.CAN.KTAE.SV.W.0093.000000T0000Z-120403T2100Z/
LEON FL-
448 PM EDT TUE APR 3 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LEON COUNTY IS
CANCELLED...
LAT...LON 3063 8393 3070 8405 3079 8398 3068 8377
3061 8384 3060 8385
TIME...MOT...LOC 2048Z 220DEG 30KT 3076 8386
$$
FLC065-GAC275-032100-
/O.CON.KTAE.SV.W.0093.000000T0000Z-120403T2100Z/
THOMAS GA-JEFFERSON FL-
448 PM EDT TUE APR 3 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTH CENTRAL JEFFERSON AND SOUTH CENTRAL THOMAS COUNTIES...
AT 445 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED 7 MILES EAST OF METCALF...MOVING NORTHEAST AT 35 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 3063 8393 3070 8405 3079 8398 3068 8377
3061 8384 3060 8385
TIME...MOT...LOC 2048Z 220DEG 30KT 3076 8386
$$
15-HARRIGANThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 7:19 AM EDT | Special Marine Warning | TAE | 86 min | |
| Apr 3, 3:02 PM EDT | Severe Thunderstorm Warning | TAE | Gadsden, Leon, Wakulla | 28 min |
| Apr 3, 3:20 PM EDT | Severe Thunderstorm Warning | TAE | Gadsden, Leon | 25 min |
| Apr 3, 3:26 PM EDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon | 34 min |
| Apr 3, 3:28 PM EDT | Severe Thunderstorm Warning | TAE | Wakulla | 32 min |
| Apr 3, 3:38 PM EDT | Severe Thunderstorm Warning | TAE | Gadsden, Leon | 37 min |
| Apr 3, 3:48 PM EDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon | 27 min |
| Apr 3, 3:56 PM EDT | Severe Thunderstorm Warning | TAE | Leon | 34 min |
| Apr 3, 4:06 PM EDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon | 24 min |
| Apr 3, 4:16 PM EDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon | 29 min |
| Apr 3, 4:22 PM EDT | Special Weather Statement | TAE | Washington | 38 min |
| Apr 3, 4:57 PM EDT | Severe Thunderstorm Warning | TAE | Jefferson | 33 min |
| Apr 3, 4:17 PM EDT | Special Weather Statement | TAE | Clay | 43 min |
| Apr 3, 4:26 PM EDT | Severe Thunderstorm Warning | TAE | Brooks, Grady, Thomas | 34 min |
| Apr 3, 4:54 PM EDT | Special Weather Statement | TAE | Quitman | 51 min |
| Apr 3, 5:07 PM EDT | Severe Thunderstorm Warning | TAE | Brooks, Colquitt, Cook, Thomas | 23 min |
| Apr 3, 5:21 PM EDT | Special Weather Statement | TAE | Early | 39 min |
| Apr 3, 5:24 PM EDT | Severe Thunderstorm Warning | TAE | Early | 17 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.