Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 76, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 15, 2012, 4:59 PM CDT for Bay County, Calhoun County, Gulf 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
- Mar 15, 2012, 4:59 PM CDT (21:59 UTC)
- Expired
- Mar 15, 2012, 5:30 PM CDT
- In force
- 31 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
Counties Bay County, FL, Calhoun County, FL, Gulf County, FL
The radar
The Eglin Afb radar (KEVX), 69 km from the middle of the area, began a volume at 22:00 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, 10.0 hours before the alert went out and 101 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
- 452 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1357 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
242 WUUS52 KTAE 152159 SVRTAE FLC005-013-045-152230- /O.NEW.KTAE.SV.W.0076.120315T2159Z-120315T2230Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TALLAHASSEE FL 459 PM CDT THU MAR 15 2012 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... FAR EAST CENTRAL BAY COUNTY IN THE PANHANDLE OF FLORIDA... SOUTHWESTERN CALHOUN COUNTY IN THE PANHANDLE OF FLORIDA... NORTHWESTERN GULF COUNTY IN THE PANHANDLE OF FLORIDA... * UNTIL 530 PM CDT * AT 454 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR KINARD. THIS STORM WAS DRIFTING SOUTHWESTWARD. 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 3012 8539 3031 8544 3036 8525 3018 8518 TIME...MOT...LOC 2158Z 068DEG 1KT 3026 8529 $$ 38-GODSEY
1 follow-up statement
413 WWUS52 KTAE 152215 SVSTAE SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 515 PM CDT THU MAR 15 2012 FLC005-013-045-152230- /O.CON.KTAE.SV.W.0076.000000T0000Z-120315T2230Z/ CALHOUN FL-GULF FL-BAY FL- 515 PM CDT THU MAR 15 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR FAR EAST CENTRAL BAY...NORTHWESTERN GULF AND SOUTHWESTERN CALHOUN COUNTIES IN THE PANHANDLE OF FLORIDA... AT 510 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR KINARD. THIS STORM WAS DRIFTING SOUTHWESTWARD. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO LARGE HAIL...FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. && LAT...LON 3012 8539 3031 8544 3036 8525 3018 8518 TIME...MOT...LOC 2214Z 068DEG 1KT 3026 8529 $$ 38-GODSEY
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 7:13 PM CDT | Special Weather Statement | TAE | Leon | 32 min |
| Mar 14, 7:27 PM CDT | Severe Thunderstorm Warning | TAE | Leon | 33 min |
| Mar 14, 7:54 PM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon | 36 min |
| Mar 14, 8:28 PM CDT | Special Weather Statement | TAE | Leon | 32 min |
| Mar 14, 8:58 PM CDT | Areal Flood Advisory | TAE | Leon | 62 min |
| Mar 14, 9:04 PM CDT | Special Weather Statement | TAE | Leon | 26 min |
| Mar 15, 4:11 PM CDT | Special Weather Statement | TAE | Gulf | 34 min |
| Mar 15, 4:26 PM CDT | Severe Thunderstorm Warning | TAE | Gulf, Liberty | 34 min |
| Mar 15, 5:54 PM CDT | Special Weather Statement | TAE | Bay | 51 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.