Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 13, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 12, 1992, 7:43 PM CDT for Okaloosa County, Florida. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Apr 12, 1992, 7:43 PM CDT (00:43 UTC)
- Expired
- Apr 12, 1992, 8:45 PM CDT
- In force
- 62 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Okaloosa County, FL
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 0.7 hours before the alert went out and 221 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
- 681 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1251 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPNS 130046 SVRPNS FLC091-130145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PENSACOLA FL 743 PM CDT SUN APR 12 1992 THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST FLORIDA ...OKALOOSA COUNTY AT 740 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM WITH HAIL IN OKALOOSA COUNTY FLORIDA NEAR CRESTVIEW. THE THUNDERSTORM WAS MOVING SOUTH AT 15 MILES AN HOUR. THE THUNDERSTORM WILL MOVE THROUGH SOUTH THROUGH OKALOOSA COUNTY TOWARD VALPARAISO...NICEVILLE AND FT WALTON BEACH DURING THE NEXT HOUR. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...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 DON'T DRIVE INTO AREAS WHERE ]WATER COVERS THE ROAD.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 12, 2:48 PM CDT, 4 hours 55 minutes before
FLC037-045-121900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA 325 PM EDT SAT APR 11 1992 ...A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR FRANKLIN COUNTY UNTIL 400 PM... AT 325 PM EDT...NATIONAL WEATHER SERVICE RADAR SHOWED A LARGE THUNDERSTORM MOVING OVER SOUTH FRANKLIN COUNTY. MOVEMENT WAS TO THE EAST AT 15 MILES AN HOUR. THIS THUNDERSTORM CAN BE ASSOCIATED WITH VERY HEAVY RAIN...THE POSSIBILITY OF LARGE HAIL...STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. ALSO...THERE IS A POSSIBILITY OF SMALL STREAM AND URBAN STREET FLOODING WITH THIS STORM. PERSONS IN THE VICINITY OF THIS STORM SHOULD SEEK SHELTER IMMEDIATEDLY. BOATERS SHOULD SEEK HARBOR ALSO.
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 7:52 PM CDT | Severe Thunderstorm Warning | TAE | Santa Rosa | 53 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1992Every severe thunderstorm warning in 1992
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.