Alert archive / Florida / Tornado Warnings in 2012
Tornado Warning 57, NWS Tallahassee, FL
NWS Tallahassee, FL issued this tornado warning at Aug 30, 2012, 4:07 AM CDT for Walton County, Florida. It was in force for 23 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
- Aug 30, 2012, 4:07 AM CDT (09:07 UTC)
- Expired
- Aug 30, 2012, 4:30 AM CDT
- In force
- 23 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
County Walton County, FL
The radar
The Eglin Afb radar (KEVX), 38 km from the middle of the area, began a volume at 09:07 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, 9.1 hours before the alert went out and 181 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
- 837 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 603 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
467 WFUS52 KTAE 300907 TORTAE FLC131-300930- /O.NEW.KTAE.TO.W.0057.120830T0907Z-120830T0930Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TALLAHASSEE FL 407 AM CDT THU AUG 30 2012 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A * TORNADO WARNING FOR... EASTERN WALTON COUNTY IN THE PANHANDLE OF FLORIDA... * UNTIL 430 AM CDT * AT 402 AM CDT...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE NATIONAL WEATHER SERVICE NEAR ARGYLE...MOVING NORTH AT 30 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CENTER RIDGE...UNION...PINEY GROVE...PLEASANT HILL...GLENDALE AND DARLINGTON PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW! LEAVE MOBILE HOMES AND VEHICLES FOR SAFER STRUCTURES. MOVE TO A HALLWAY OR CLOSET ON THE LOWEST FLOOR AWAY FROM WINDOWS AND OUTSIDE WALLS. && LAT...LON 3096 8619 3098 8603 3070 8604 3070 8611 TIME...MOT...LOC 0907Z 177DEG 25KT 3074 8608 $$ 08-LAMERS
1 follow-up statement
424 WWUS52 KTAE 300935 SVSTAE SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 435 AM CDT THU AUG 30 2012 FLC131-300944- /O.EXP.KTAE.TO.W.0057.000000T0000Z-120830T0930Z/ WALTON FL- 435 AM CDT THU AUG 30 2012 ...THE TORNADO WARNING FOR EASTERN WALTON COUNTY HAS EXPIRED... THE ROTATION HAS WEAKENED IN THE STORM THAT PROMPTED THE WARNING...THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER WEAK ROTATION WAS STILL OBSERVED BY DOPPLER RADAR...AND PEOPLE IN NORTHEAST WALTON AND WESTERN GENEVA COUNTIES SHOULD BE ALERT FOR LATER WARNINGS. RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE AT (8 5 0) 9 4 2 8 8 3 3. OR...CONTACT LAW ENFORCEMENT. LAT...LON 3096 8619 3098 8604 3070 8604 3070 8611 TIME...MOT...LOC 0907Z 177DEG 25KT 3074 8608 $$ 08-LAMERS
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 1:49 AM CDT | Tornado Warning | TAE | Walton | 26 min |
| Aug 30, 1:59 AM CDT | Tornado Warning | TAE | Walton | 31 min |
| Aug 30, 2:31 AM CDT | Tornado Warning | TAE | Walton | 29 min |
| Aug 30, 3:55 AM CDT | Special Marine Warning | TAE | 35 min | |
| Aug 30, 4:37 AM CDT | Tornado Warning | TAE | Walton | 43 min |
| Aug 30, 6:02 AM CDT | Tornado Warning | TAE | Bay, Washington | 28 min |
| Aug 30, 9:17 AM CDT | Special Weather Statement | TAE | Walton | 28 min |
| Aug 30, 9:28 AM CDT | Tornado Warning | TAE | Walton | 32 min |
| Aug 30, 10:53 AM CDT | Special Marine Warning | TAE | 22 min | |
| Aug 30, 10:56 AM CDT | Special Weather Statement | TAE | Walton | 34 min |
| Aug 30, 12:05 PM CDT | Special Marine Warning | TAE | 40 min |
Nearby
Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes 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.