Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 53, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 28, 1990, 4:24 PM EDT for Leon County, Florida. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1990, 4:24 PM EDT (20:24 UTC)
- Expired
- Jun 28, 1990, 5:15 PM EDT
- In force
- 51 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Leon County, FL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Apalachicola Mun, FL (KAQQ), launched 12:00Z, 8.4 hours before the alert went out and 107 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
- 1515 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 807 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 42 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 KTLH 282025 SVRTLH FLC073-282115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TALLAHASSEE FL 424 PM EDT THU JUN 28 1990 THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH FLORIDA ...NORTHERN LEON COUNTY RADAR AND PUBLIC REPORTS INDICATE A SEVERE THUNDERSTORM LOCATED OVER NORTH CENTRAL LEON COUNTY MOVING NORTH AT 5 MPH. NUMEROUS REPORTS OF MARBLE SIZE HAIL HAVE BEEN RECIEVED FROM THE LAKE JACKSON AREA. 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, Jun 28, 1:49 PM EDT, 2 hours 35 minutes before
FLZ005-006-007-GAZ011-012-281845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 149 PM EDT THU JUN 28 1990 AT 145 PM EDT WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER SOUTHWEST GEORGIA...THE FLORIDA PANHANDLE AND BIG BEND...AND THE GULF OF MEXICO SOUTHWEST AND WEST OF APALACHICOLA. THE STRONGEST THUNDERSTORM WAS OVER NORTHERN AND CENTRAL BROOKS COUNTY OF SOUTHWEST GEORGIA. THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY HEAVY RAINFALL...SMALL HAIL...STRONG GUSTY WIND...AND FREQUENT CLOUD TO GROUND LIGHTNING. ANOTHER STRONG THUNDERSTORM WAS LOCATED 5 MILES EAST OF PERRY IN TAYLOR COUNTY OF NORTH FLORIDA. MOVEMENT OF THE SHOWERS AND THUNDERSTORMS WAS TOWAnRD THE NORTH AT 10 MILES AN HOUR. JGM
Special weather statement, Jun 28, 2:46 PM EDT, 1 hour 38 minutes before
FLZ004-221815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA 240 PM EDT THU JUN 28 1990 AT 240 PM EDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED OVER GULF COUNTY.THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN ALONG WITH STRONG GUSTY WINDS AND SMALL HAIL. THE STRONGEST OF THESE STORMS WAS LOCATED OVER ST JOE BEACH NORTHWEST OF PORT ST JOE FLORIDA. MOVEMENT WAS TO THE NORTH AT 5 MILES AN HOUR.
Special weather statement, Jun 28, 4:11 PM EDT, 13 minutes before
FLZ003-005-006-007-GAZ011-012-282115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 411 PM EDT (311 PM CDT) THU JUN 28 1990 AT 355 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATES SEVERAL STRONG THUNDERSTORMS OVER THE BIG BEND AREA OF FLORIDA. THE HEAVIEST THUNDERSTORMS WERE LOCATED NEAR QUINCY...CENTRAL AND EASTERN LEON COUNTY AND 10 MILES SOUTH OF QUITMAN IN SOUTHERN BROOKS COUNTY IN SOUTHWEST GEORGIA. THE POLICE DEPARTMENT IN QUINCY REPORTED SMALL HAIL...STRONG GUSTY WINDS AND DOWNED POWER LINES AND TREE LIMBS. THESE STORMS WERE MOVING SLOWLY TO THE NORTH AT 10 MPH. PERSONS LIVING IN THESE AREAS OF THE BIG BEND AREA OF FLORIDA AND SOUTHWEST GEORGIA CAN EXPEC4T STRONG GUSTY WINDS...SMALL HAIL AND FREQUENT LIGHTNING FROM THESE STROMS AS THEY MOVE ACROSS THE AREA THIS AFTERNOON AND EVENING.
Special weather statement, Jun 28, 4:15 PM EDT, 9 minutes before
FLZ003-005-006-007-GAZ011-012-282115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 411 PM EDT (311 PM CDT) THU JUN 28 1990 AT 355 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATES SEVERAL STRONG THUNDERSTORMS OVER THE BIG BEND AREA OF FLORIDA. THE HEAVIEST THUNDERSTORMS WERE LOCATED NEAR QUINCY...CENTRAL AND EASTERN LEON COUNTY AND 10 MILES SOUTH OF QUITMAN IN SOUTHERN BROOKS COUNTY IN SOUTHWEST GEORGIA. THE POLICE DEPARTMENT IN QUINCY REPORTED SMALL HAIL...STRONG GUSTY WINDS AND DOWNED POWER LINES AND TREE LIMBS. THESE STORMS WERE MOVING SLOWLY TO THE NORTH AT 10 MPH. PERSONS LIVING IN THESE AREAS OF THE BIG BEND AREA OF FLORIDA AND SOUTHWEST GEORGIA CAN EXPEC7T STRONG GUSTY WINDS...SMALL HAIL AND FREQUENT LIGHTNING FROM THESE STROMS AS THEY MOVE ACROSS THE AREA THIS AFTERNOON AND EVENING.
Nearby
Severe Thunderstorm Warnings in Florida, 1990Every severe thunderstorm warning in 1990
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.