Alert archive / Florida / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 21, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 30, 2015, 3:42 PM CDT for Calhoun County, Jackson County, Florida. It was in force for 33 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 30, 2015, 3:42 PM CDT (20:42 UTC)
- Expired
- Mar 30, 2015, 4:15 PM CDT
- In force
- 33 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
Counties Calhoun County, FL, Jackson County, FL
The radar
The Eglin Afb radar (KEVX), 76 km from the middle of the area, began a volume at 20:44 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 30, 3:50 PM CDT | HAIL 1 | Altha, FL | QUARTER SIZE HAIL REPORTED IN ALTHA. REPORT RELAYED THROUGH SOCIAL MEDIA PAGE. |
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, 8.7 hours before the alert went out and 81 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1433 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
206 WUUS52 KTAE 302042 SVRTAE FLC013-063-302130- /O.NEW.KTAE.SV.W.0021.150330T2042Z-150330T2130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TALLAHASSEE FL 342 PM CDT MON MAR 30 2015 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN JACKSON COUNTY IN THE PANHANDLE OF FLORIDA... NORTHEASTERN CALHOUN COUNTY IN THE PANHANDLE OF FLORIDA... * UNTIL 430 PM CDT * AT 342 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 12 MILES SOUTHEAST OF MARIANNA...AND MOVING SOUTHEAST AT 15 MPH. * LOCATIONS IMPACTED INCLUDE... BLOUNTSTOWN...ALTHA...UNION CITY...OCHEESEE...DURHAM...NETTLE RIDGE...BLOUNTSTOWN AIRPORT...SINK CREEK...HENDERSON MILL... ALLIANCE...SELMAN...MACEDONIA...CHIPOLA AND WILLIS. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE IMMEDIATELY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS UNTIL THIS STORM PASSES. THIS IS A SUPERCELL THUNDERSTORM. DUE TO THE ROTATING NATURE OF THESE STORMS...THEY ARE CAPABLE OF PRODUCING ALL TYPES OF SEVERE WEATHER... INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE WINDS... AND POSSIBLY TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...PREFERABLY INTO A BASEMENT...OR AN INTERIOR ROOM SUCH AS A BATHROOM OR CLOSET. && LAT...LON 3058 8523 3065 8516 3058 8497 3042 8504 TIME...MOT...LOC 2042Z 305DEG 13KT 3060 8516 $$ 18-WOOL
2 follow-up statements
311
WWUS52 KTAE 302109
SVSTAE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
409 PM CDT MON MAR 30 2015
FLC063-302118-
/O.CAN.KTAE.SV.W.0021.000000T0000Z-150330T2130Z/
JACKSON FL-
409 PM CDT MON MAR 30 2015
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JACKSON COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 3053 8517 3056 8511 3051 8500 3042 8504
TIME...MOT...LOC 2108Z 325DEG 16KT 3049 8509
$$
FLC013-302130-
/O.CON.KTAE.SV.W.0021.000000T0000Z-150330T2130Z/
CALHOUN FL-
409 PM CDT MON MAR 30 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR NORTHEASTERN CALHOUN COUNTY...
AT 408 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING HAIL OF UNKNOWN SIZE. THIS STORM WAS LOCATED
NEAR BLOUNTSTOWN...MOVING SOUTHEAST AT 20 MPH.
IN ADDITION...AT HAIL WAS REPORTED NEAR ALTHA.
LOCATIONS IMPACTED INCLUDE...
BLOUNTSTOWN...NETTLE RIDGE...CHIPOLA...BLOUNTSTOWN AIRPORT...
MACEDONIA AND DURHAM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
LAT...LON 3053 8517 3056 8511 3051 8500 3042 8504
TIME...MOT...LOC 2108Z 325DEG 16KT 3049 8509
$$
18-WOOL774
WWUS52 KTAE 302115
SVSTAE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
415 PM CDT MON MAR 30 2015
FLC013-302125-
/O.CAN.KTAE.SV.W.0021.000000T0000Z-150330T2130Z/
CALHOUN FL-
415 PM CDT MON MAR 30 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CALHOUN COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER HEAVY RAIN IS STILL
POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 3053 8517 3056 8511 3051 8500 3042 8504
TIME...MOT...LOC 2113Z 305DEG 13KT 3048 8507
$$
18-WOOLThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 4:46 PM CDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun | 21 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2015Every severe thunderstorm warning in 2015
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.