Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 38, NWS Tallahassee, FL
NWS Tallahassee, FL issued this tornado warning at Sep 4, 2011, 9:59 AM CDT for Walton County, Florida. It was in force for 31 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
- Sep 4, 2011, 9:59 AM CDT (14:59 UTC)
- Expired
- Sep 4, 2011, 10:30 AM CDT
- In force
- 31 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
County Walton County, FL
The radar
The Eglin Afb radar (KEVX), 41 km from the middle of the area, began a volume at 15:02 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 4, 5:05 AM CDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 3.0 hours before the alert went out and 197 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
- 1223 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 468 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
594
WFUS52 KTAE 041459
TORTAE
FLC131-041530-
/O.NEW.KTAE.TO.W.0038.110904T1459Z-110904T1530Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
959 AM CDT SUN SEP 4 2011
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN WALTON COUNTY IN THE PANHANDLE OF FLORIDA...
* UNTIL 1030 AM CDT
* AT 953 AM CDT...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
NATIONAL WEATHER SERVICE NEAR VILLA TASSO...OR NEAR MIRAMAR
BEACH...MOVING NORTH AT 25 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CHOCTAW BEACH
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.
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA.
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 3067 8639 3063 8622 3047 8628 3047 8633
3046 8634 3045 8639 3046 8640 3055 8640
TIME...MOT...LOC 1458Z 191DEG 20KT 3044 8639
$$
14-MROCZKA1 follow-up statement
934
WWUS52 KTAE 041524
SVSTAE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1024 AM CDT SUN SEP 4 2011
FLC131-041530-
/O.CON.KTAE.TO.W.0038.000000T0000Z-110904T1530Z/
WALTON FL-
1024 AM CDT SUN SEP 4 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT FOR
SOUTHWESTERN WALTON COUNTY...
AT 1021 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED OVER SOUTHWESTERN
WALTON COUNTY...MOVING NORTH AT 25 MPH.
THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
INDICATED COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT SUNDAY AFTERNOON
FOR SOUTHEAST ALABAMA AND CENTRAL FLORIDA.
&&
LAT...LON 3049 8628 3047 8633 3048 8636 3047 8640
3055 8640 3067 8639 3063 8622
TIME...MOT...LOC 1524Z 191DEG 24KT 3053 8632
$$
14-MROCZKAThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 9:47 PM CDT | Special Marine Warning | TAE | 58 min | |
| Sep 4, 3:13 AM CDT | Flash Flood Watch | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Holmes and 5 more | 35 hr |
| Sep 4, 5:11 AM CDT | Severe Thunderstorm Warning | TAE | Walton | 49 min |
| Sep 4, 5:45 AM CDT | Special Weather Statement | TAE | Washington | 30 min |
| Sep 4, 8:13 AM CDT | Special Marine Warning | TAE | 32 min | |
| Sep 4, 8:40 AM CDT | Special Marine Warning | TAE | 50 min | |
| Sep 4, 10:20 AM CDT | Tornado Warning | TAE | Bay, Washington | 40 min |
| Sep 4, 11:40 AM CDT | Tornado Warning | TAE | Washington | 25 min |
| Sep 4, 1:37 PM CDT | Special Marine Warning | TAE | 38 min | |
| Sep 4, 2:07 PM CDT | Special Weather Statement | TAE | Wakulla | 23 min |
| Sep 4, 2:13 PM CDT | Special Marine Warning | TAE | 47 min | |
| Sep 4, 2:27 PM CDT | Special Weather Statement | TAE | Franklin | 48 min |
| Sep 4, 2:32 PM CDT | Coastal Flood Watch | TAE | Bay, Dixie, Franklin, Gulf, Jefferson, Taylor and 2 more | 25 hr |
| Sep 4, 2:36 PM CDT | Special Weather Statement | TAE | Gadsden, Leon, Wakulla | 39 min |
| Sep 4, 2:43 PM CDT | Special Marine Warning | TAE | 47 min | |
| Sep 4, 3:12 PM CDT | Special Weather Statement | TAE | Jefferson | 48 min |
| Sep 4, 3:49 PM CDT | Special Marine Warning | TAE | 41 min | |
| Sep 4, 4:03 PM CDT | Tornado Warning | TAE | Taylor | 27 min |
| Sep 4, 4:29 PM CDT | Special Marine Warning | TAE | 61 min | |
| Sep 4, 4:46 PM CDT | Special Marine Warning | TAE | 44 min | |
| Sep 4, 4:58 PM CDT | Special Marine Warning | TAE | 47 min | |
| Sep 4, 6:01 PM CDT | Special Marine Warning | TAE | 44 min | |
| Sep 4, 6:44 PM CDT | Special Marine Warning | TAE | 61 min | |
| Sep 4, 6:48 PM CDT | Special Marine Warning | TAE | 27 min |
Nearby
Tornado Warnings in Florida, 2011Every tornado warning in 2011Tornadoes in 2011
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.