Alert archive / Florida / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 72, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 14, 2012, 7:43 PM EDT for Jefferson County, Leon County, Florida. It was in force for 19 min. 1 report 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, 7:43 PM EDT (23:43 UTC)
- Expired
- Mar 14, 2012, 8:02 PM EDT
- In force
- 19 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
Counties Jefferson County, FL, Leon County, FL
The radar
The Tallahassee radar (KTLH), 22 km from the middle of the area, began a volume at 23:44 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, 7:44 PM EDT | HAIL 1 | Sw Chaires Crossroads, FL | NICKEL AND QUARTER SIZE HAIL 2 MI WEST OF APPALACHEE PARKWAY AND CHAIRES CROSSROADS INTERSECTION. |
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 12:00Z, 11.7 hours before the alert went out and 19 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
- 548 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1051 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
908
WUUS52 KTAE 142343
SVRTAE
FLC065-073-150015-
/O.NEW.KTAE.SV.W.0072.120314T2343Z-120315T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
743 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...
EASTERN LEON COUNTY IN FLORIDA...
* UNTIL 815 PM EDT
* AT 740 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM
WAS LOCATED NEAR APALACHEE REGIONAL PARK...AND MOVING SOUTH AT 10
MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CODY
AND NATURAL BRIDGE
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 3027 8408 3027 8424 3028 8424 3046 8418
3045 8404 3026 8406 3026 8408
TIME...MOT...LOC 2343Z 011DEG 8KT 3039 8415
$$
42-DVD1 follow-up statement
183
WWUS52 KTAE 150002
SVSTAE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
802 PM EDT WED MAR 14 2012
FLC065-073-150012-
/O.CAN.KTAE.SV.W.0072.000000T0000Z-120315T0015Z/
LEON FL-JEFFERSON FL-
802 PM EDT WED MAR 14 2012
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL JEFFERSON AND
CENTRAL LEON COUNTIES IS CANCELLED...
THE STORM HAS WEAKENED BELOW SEVERE LIMITS.
RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.
LAT...LON 3027 8408 3027 8424 3028 8424 3046 8418
3045 8404 3026 8406 3026 8408
TIME...MOT...LOC 0002Z 011DEG 8KT 3040 8416
$$
42-DVDThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 3:39 AM EDT | Dense Fog Advisory | TAE | Bay, Calhoun, Gulf, Holmes, Jackson, Walton and 1 more | 6 hr |
| Mar 14, 6:13 PM EDT | Special Weather Statement | TAE | Calhoun | 32 min |
| Mar 14, 7:30 PM EDT | Special Weather Statement | TAE | Leon | 60 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.