Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 2, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Jan 11, 2012, 6:38 AM EST for Leon County, Wakulla County, Florida. It was in force for 24 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
- Jan 11, 2012, 6:38 AM EST (11:38 UTC)
- Expired
- Jan 11, 2012, 7:02 AM EST
- In force
- 24 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
Counties Leon County, FL, Wakulla County, FL
The radar
The Tallahassee radar (KTLH), 28 km from the middle of the area, began a volume at 11:39 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, 11.6 hours before the alert went out and 29 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
- 13 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
236
WUUS52 KTAE 111138
SVRTAE
FLC073-129-111215-
/O.NEW.KTAE.SV.W.0002.120111T1138Z-120111T1215Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
638 AM EST WED JAN 11 2012
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL LEON COUNTY IN FLORIDA...
CENTRAL WAKULLA COUNTY IN FLORIDA...
* UNTIL 715 AM EST
* AT 634 AM EST...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED 8 MILES WEST OF CRAWFORDVILLE...OR
NEAR ARRAN...AND MOVING NORTHEAST AT 45 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SAINT
MARKS AND WOODVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 3022 8462 3035 8436 3037 8421 3008 8418
3007 8426 3005 8427 3005 8430 3002 8433
3001 8449
TIME...MOT...LOC 1138Z 237DEG 41KT 3020 8446
$$
42-DVD1 follow-up statement
595
WWUS52 KTAE 111202
SVSTAE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
702 AM EST WED JAN 11 2012
FLC073-129-111213-
/O.CAN.KTAE.SV.W.0002.000000T0000Z-120111T1215Z/
LEON FL-WAKULLA FL-
702 AM EST WED JAN 11 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WAKULLA AND SOUTH
CENTRAL LEON COUNTIES IS CANCELLED...
RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.
LAT...LON 3022 8462 3035 8436 3037 8421 3008 8418
3007 8426 3005 8427 3005 8430 3002 8433
3001 8449
TIME...MOT...LOC 1203Z 237DEG 41KT 3034 8418
$$
9-FOURNIERThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 1:57 AM EST | Special Marine Warning | TAE | 2 hr | |
| Jan 11, 2:04 AM EST | Special Weather Statement | TAE | Walton | 56 min |
| Jan 11, 2:12 AM EST | Rip Current Statement | TAE | Bay, Franklin, Gulf, Walton | 53 hr |
| Jan 11, 2:12 AM EST | High Surf Advisory | TAE | Bay, Gulf, Walton | 25 hr |
| Jan 11, 2:43 AM EST | Severe Thunderstorm Warning | TAE | Bay, Walton, Washington | 45 min |
| Jan 11, 6:40 AM EST | Special Marine Warning | TAE | 25 min | |
| Jan 11, 8:03 AM EST | Special Marine Warning | TAE | 87 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.