Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 1, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Jan 11, 2012, 1:43 AM CST for Bay County, Walton County, Washington County, Florida. It was in force for 45 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, 1:43 AM CST (07:43 UTC)
- Expired
- Jan 11, 2012, 2:28 AM CST
- In force
- 45 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
Counties Bay County, FL, Walton County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 42 km from the middle of the area, began a volume at 07:42 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, 7.7 hours before the alert went out and 140 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.
336
WUUS52 KTAE 110743
SVRTAE
FLC005-131-133-110845-
/O.NEW.KTAE.SV.W.0001.120111T0743Z-120111T0845Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
143 AM CST WED JAN 11 2012
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN BAY COUNTY IN THE PANHANDLE OF FLORIDA...
SOUTHERN WALTON COUNTY IN THE PANHANDLE OF FLORIDA...
SOUTHERN WASHINGTON COUNTY IN THE PANHANDLE OF FLORIDA...
* UNTIL 245 AM CST
* AT 138 AM CST...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED 16 MILES SOUTHWEST OF PANAMA CITY
BEACH...OR 16 MILES SOUTHWEST OF GULF RESORT BEACH...AND WAS
MOVING NORTHEAST AT 35 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TYNDALL AFB...PANAMA CITY...CALLAWAY...SPRINGFIELD...HILAND PARK
AND LYNN HAVEN
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 3052 8604 3045 8570 3020 8539 3008 8550
3008 8552 3007 8552 3001 8557 3005 8560
3009 8570 3021 8588 3027 8600 3031 8614
TIME...MOT...LOC 0742Z 213DEG 29KT 3005 8600
$$
17-GOULD1 follow-up statement
486
WWUS52 KTAE 110828
SVSTAE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
228 AM CST WED JAN 11 2012
FLC005-131-133-110838-
/O.CAN.KTAE.SV.W.0001.000000T0000Z-120111T0845Z/
BAY FL-WASHINGTON FL-WALTON FL-
228 AM CST WED JAN 11 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WALTON...
SOUTHERN WASHINGTON AND SOUTHERN BAY COUNTIES IS CANCELLED...
RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.
LAT...LON 3052 8604 3045 8570 3020 8539 3008 8550
3008 8552 3007 8552 3001 8557 3005 8560
3009 8570 3021 8588 3027 8600 3031 8614
TIME...MOT...LOC 0828Z 213DEG 29KT 3036 8577
$$
17-GOULDThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 12:57 AM CST | Special Marine Warning | TAE | 2 hr | |
| Jan 11, 1:04 AM CST | Special Weather Statement | TAE | Walton | 56 min |
| Jan 11, 1:12 AM CST | Rip Current Statement | TAE | Bay, Franklin, Gulf, Walton | 53 hr |
| Jan 11, 1:12 AM CST | High Surf Advisory | TAE | Bay, Gulf, Walton | 25 hr |
| Jan 11, 5:38 AM CST | Severe Thunderstorm Warning | TAE | Leon, Wakulla | 24 min |
| Jan 11, 5:40 AM CST | Special Marine Warning | TAE | 25 min | |
| Jan 11, 7:03 AM CST | 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.