Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 63, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 5, 1990, 8:23 PM CDT for Bay County, Florida. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- Aug 5, 1990, 8:23 PM CDT (01:23 UTC)
- Expired
- Aug 5, 1990, 9:30 PM CDT
- In force
- 67 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Bay 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 00:00Z, 1.4 hours before the alert went out and 83 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
- 1246 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 1204 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Aug 5, 2:36 PM CDT, 5 hours 47 minutes before
FLZ005-GAZ011-052030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 335 PM EDT SUN AUG 5 1990 AT 335 PM EDT NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW SHOWERS AND THUNDERSTORMS OVER THE FLORIDA PANHANDLE...THE FLORIDA BIG BEND...SOUTHWEST GEORGIA AND SOUTHEAST ALABAMA. THE STORMS WITH THE HEAVIEST RAINFALL WERE LOCATED IN THOMAS COUNTY OF SOUTHWEST GEORGIA BETWEEN THE COMMUNITIES OF THOMASVILLE AND BOSTON. OTHER STORMS WITH HEAVY RAINFALL WERE LOCATED IN NORTHEASTERN LEON AND NORTHERN LIBERTY COUNTIES OF NORTH FLORIDA. THESE STORMS CONTINUED TO SHOW LITTLE OR NO MOVEMENT. PERSONS IN THE VICINITY OF THESE STORMS SHOULD BE PREPARED FOR DANGEROUS LIGHTNING...GUSTY WINDS...HEAVY RAINFALL AND DUE TO THE SLOW MOVEMENT OF THE STORMS...POSSIBLE LOCALIZED FLOODING OF LOW LYING AREAS. MOTORISTS SHOULD NOT ATTEMPT TO CROSS ROADWAYS THAT ARE COVERED BY WATER. FURTHER STATEMENTS WILL BE ISSUED AS NEEDED. 8 DWS...05/1936Z
Special weather statement, Aug 5, 3:50 PM CDT, 4 hours 33 minutes before
FLZ005-GAZ011-052245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 450 PM EDT SUN AUG 5 1990 AT 445 PM EDT WEATHER SERVICE RADAR INDICATED A THUNDERSTORM JUST EAST OF THE TALLAHASSEE AIRPORT AND EXTENDING INTO NORTHEASTERN WAKULLA COUNTY. OTHER STORMS WERE LOCATED FROM SOUTH OF BLOUNTSTOWN TO NEAR SOPCHOPPY AND IN SOUTHWEST GEORGIA SOUTH OF THOMASVILLE. THESE STORMS WERE MOVING SLOWLY TO THE SOUTH. PERSONS IN THE VICINITY OF THESE STORMS SHOULD EXPECT HEAVY RAINFALL..STRONG GUSTY WINDS OF 30 TO 35 MPH..FREQUENT LIGHTNING AND POSSIBLY SOME SMALL HAIL DURING THE NEXT HOUR OR SO. SOME LOCALIZED FLOODING OF LOW LYING AREAS IS ALSO LIKELY TO OCCUR WITH THESE STORMS. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS GJM
Special weather statement, Aug 5, 6:01 PM CDT, 2 hours 22 minutes before
FLZ003-005-060000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 700 PM EDT (600 PM CDT) SUN AUG 5 1990 AT 655 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A CLUSTER OF THUNDERSTORMS IN EASTERN JACKSON COUNTY OF FLORIDA. A LONE THUNDERSTORM WAS ALSO IN SOUTHWESTERN LEON COUNTY. PERSONS NEAR THE TOWNS OF MALONE..MARIANNA AND SNEADS FLORIDA SHOULD EXPECT VERY HEAVY RAINFALL..STRONG GUSTY WINDS..FREQUENT CLOUD TO GROUND LIGHTNING AND LOCALIZED FLOODING OF LOW LYING AREAS. THESE STORMS WERE MOVING SLOWLY TO THE SOUTH. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS.
Special weather statement, Aug 5, 7:07 PM CDT, 1 hour 16 minutes before
FLZ003-005-060115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 806 PM EDT (706 PM CDT) SUN AUG 5 1990 AT 800 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A CLUSTER OF THUNDERSTORMS FROM NEAR MARIANNA FLORIDA AND EXTENDED TO BETWEEN CHATTAHOOCHEE FLORIDA AND BLOUNTSTOWN FLORIDA ALONG THE APALACHICOLA RIVER. A LONE STORM WAS ALSO NORTH OF QUINCY FLORIDA. THESE STORMS WERE MOVING SLOWLY SOUTH. PERSONS IN THE VICINITY OF THESE STORMS CAN EXPECT VERY HEAVY RAINFALL IN A SHORT PERIOD OF TIME...STRONG WIND GUSTS OF 30 TO 35 MPH...FREQUENT DANGEROUS LIGHTNING AND SOME FLOODING OF LOW LYING AREAS SINCE THESE STORMS ARE MOVING RATHER SLOW. STAY TUNED TO NOAA WEATHER ORADIO OR LOCAL NEWS MEDIA FOR FURTHER INFORMATION.
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.