Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 74, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 14, 2012, 8:54 PM EDT for Jefferson County, Leon County, Florida. It was in force for 36 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 14, 2012, 8:54 PM EDT (00:54 UTC)
- Expired
- Mar 14, 2012, 9:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
Counties Jefferson County, FL, Leon County, FL
The radar
The Tallahassee radar (KTLH), 25 km from the middle of the area, began a volume at 00:58 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 14, 8:58 PM EDT | TSTM WND DMG | 1 Nne Killearn Lakes, FL | TREE DOWN ON DEER LAKE ROAD. |
| Mar 14, 9:02 PM EDT | TSTM WND DMG | 1 Wsw Pisgah Church, FL | UTILITY LINE DOWN AT THE INTERSECTION OF SAMS LANE AND BRADFORDVILLE ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 0.9 hours before the alert went out and 22 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
- 714 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1865 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
991 WUUS52 KTAE 150054 SVRTAE FLC065-073-150130- /O.NEW.KTAE.SV.W.0074.120315T0054Z-120315T0130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TALLAHASSEE FL 854 PM EDT WED MAR 14 2012 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL JEFFERSON COUNTY IN FLORIDA... EAST CENTRAL LEON COUNTY IN FLORIDA... * UNTIL 930 PM EDT * AT 853 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR PISGAH CHURCH...AND MOVING SOUTH AT 15 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KILLEARN ESTATES...BAUM...FALLSCHASE...TOM BROWN PARK...CAPITOLA... RALFORD GREENWAY...CHAIRES...APALACHEE REGIONAL PARK AND CHAIRES CROSSROADS PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. && LAT...LON 3042 8402 3041 8421 3064 8423 3064 8404 TIME...MOT...LOC 0054Z 356DEG 11KT 3054 8414 $$ 42-DVD
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 8:13 PM EDT | Special Weather Statement | TAE | Leon | 32 min |
| Mar 14, 8:27 PM EDT | Severe Thunderstorm Warning | TAE | Leon | 33 min |
| Mar 14, 9:28 PM EDT | Special Weather Statement | TAE | Leon | 32 min |
| Mar 14, 9:58 PM EDT | Areal Flood Advisory | TAE | Leon | 62 min |
| Mar 14, 10:04 PM EDT | Special Weather Statement | TAE | Leon | 26 min |
| Mar 15, 5:11 PM EDT | Special Weather Statement | TAE | Gulf | 34 min |
| Mar 15, 5:26 PM EDT | Severe Thunderstorm Warning | TAE | Gulf, Liberty | 34 min |
| Mar 15, 5:59 PM EDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun, Gulf | 31 min |
| Mar 15, 6:54 PM EDT | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.