Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 71, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 22, 1990, 5:51 PM CDT for Okaloosa County, Walton County, Florida. It was in force for 69 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 22, 1990, 5:51 PM CDT (22:51 UTC)
- Expired
- Aug 22, 1990, 7:00 PM CDT
- In force
- 69 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
Counties Okaloosa County, FL, Walton County, FL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 22, 6:00 PM CDT | Thunderstorm Wind 0 | Okaloosa, FL |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Apalachicola Mun, FL (KAQQ), launched 12:00Z, 10.9 hours before the alert went out and 167 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
- 1589 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 862 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- -11 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 222252 SVRPNS FLC033-091-113-131-230000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PENSACOLA FL 551 PM CDT WED AUG 22 1990 THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST FLORIDA ...ESCAMBIA COUNTY...OKALOOSA COUNTY...SANTA ROSA COUNTY ...WALTON COUNTY AT 545 PM CDT...PENSACOLA RADAR INDICATED A BAND OF SEVERE THUNDERSTORMS ACROSS THE NORTH PARTS OF ESCAMBIA...SANTA ROSA...OKALOOSA AND WALTON COUNTIES. SEVERAL OF THESE THUNDERSTORMS INDICATED A STRONG LIKELYHOOD OF HAIL. THE THUNDERSTORMS WERE DRIFTING VERY SLOWLY TO THE SOUTH. 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, Aug 22, 3:00 PM CDT, 2 hours 51 minutes before
FLZ003-GAZ011-222100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 400 PM EDT (300 PM CDT) WED AUG 22 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHWEST FLORIDA INCLUDING THE COUNTIES OF JACKSON...CALHOUN...GULF AND FRANKLIN UNTIL 8 PM CDT (9 PM EDT)... AT 355 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED ONLY WIDELY SCATTERED THUNDERSTORMS FROM NORTHEAST OF PANAMA CITY TO NEAR DOTHAN ALABAMA AND IN SOUTHWEST GEORGIA TO NEAR ALBANY AND MOULTRIE. IN JACKSON AND CALHOUN COUNTIES THUNDERSTORMS EXTENDED FROM SOUTH OF MARIANNA TO NEAR YOUNGSTOWN. MOVEMENT OF THESE THUNDERSTORMS WAS SOUTHEAST AT 10 TO 15 MPH. THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAINFALL...STRONG GUSTY WINDS...DANGEROUS FREQUENT LIGHTNING AND POSSIBLY SMALL HAIL. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. GJM
Special weather statement, Aug 22, 3:40 PM CDT, 2 hours 11 minutes before
FLZ004-222140- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA 440 PM EDT WED AUG 22 1990 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR GULF AND FRANKLIN COUNTIES OF THE FLORIDA PANHANDLE UNTIL 900 PM EDT... SCATTERED THUNDERSTORMS...WITH VERY HEAVY RAIN...AND SHOWERS WERE OCCURRING OVER THE FLORIDA PANHANDLE FROM JUST NORTHEAST OF APALACHICOLA TO NEAR PENSACOLA. PERSONS SHOULD KEEP A SHARP LOOKOUT FOR SEVERE WEATHER AND BE PREPARED TO TAKE COVER.
Special weather statement, Aug 22, 4:00 PM CDT, 1 hour 51 minutes before
FLZ003-GAZ011-012-222200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 500 PM EDT (400 PM CDT) WED AUG 22 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHWEST FLORIDA INCLUDING THE COUNTIES OF JACKSON...CALHOUN...GULF AND FRANKLIN UNTIL 8 PM CDT (9 PM EDT)... AT 455 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED THUNDERSTORMS FROM DOTHAN ALABAMA TO SOUTHEAST OF COLQUITT GEORGIA AND EXTENDING TO EAST OF THOMASVILLE. IN JACKSON COUNTY OF NORTHWEST FLORIDA THUNDERSTORMS EXTENDED FROM NEAR GRACEVILLE TO COTTONDALE. A LONE SHOWER WAS IN SOUTHEASTERN CALHOUN COUNTY OF FLORIDA. PERSONS IN THE VICINITY OF THESE STORMS SHOULD EXPECT STRONG GUSTY WINDS...DANGEROUS FREQUENT LIGHTNING AND POSSIBLY SMALL HAIL. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR POSSIBLE WARNINGS. GJM
Special weather statement, Aug 22, 4:44 PM CDT, 1 hour 7 minutes before
FLZ001>007-GAZ008>-011-012-ALZ017-018-222245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA 528 PM EDT WED AUG 22 1990 AT 528 PM EDT...SCATTERED THUNDERSTORMS...WITH VERY HEAVY RAIN...AND SHOWERS WERE OCCURRING OVER THE FLORIDA PANHANDLE WEST OF THE APALACHICOLA RIVER. OTHER SCATTERED THUNDERSTORMS WERE OVER NORTH FLORIDA...SOUTH GEORGIA AND SOUTHEAST ALABAMA. THE HEAVIEST THUNDERSTORMS WERE OVER TH=E NORTHERN PORTION OF THE FLORIDA PANHANDLE AND SOUTHEAST ALABAMA SOUTH OF DOTHAN. MOVEMENT WAS TO THE SOUTHEAST AT 15 MILES AN HOUR.
Special weather statement, Aug 22, 5:01 PM CDT, 50 minutes before
TTAAFL KTLH 222201 FLZ003-GAZ011-012-222200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 600 PM EDT (500 PM CDT) WED AUG 22 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHWEST FLORIDA INCLUDING THE COUNTIES OF JACKSON...CALHOUN...GULF AND FRANKLIN UNTIL 8 PM CDT (9 PM EDT)... AT 600 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED THUNDERSTORMS FROM CRESTVIEW FLORIDA EAST THROUGH JACKSON COUNTY AND INTO SEMINOLE COUNTY GEORGIA. OTHER WIDELY SCATTERED SHOWERS CONTINUED OVER SOUTHERN GEORGIA AND THE FLORIDA BIG BEND. THE HEAVIEST ACTIVITY WAS IN THE FLORIDA PANHANDLE FROM CRESTVIEW TO WEST OF MARIANNA IN JACKSON COUNTY AND OVER CENTRAL SEMINOLE COUNTY GEORGIA NEAR- DONALDSONVILLE. PERSONS IN THE VICINITY OF THESE STORMS SHOULD EXPECT STRONG GUSTY WINDS...DANGEROUS FREQUENT LIGHTNING AND POSSIBLY SMALL HAIL. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES ON THIS SITUATION. CTC
Special weather statement, Aug 22, 5:37 PM CDT, 14 minutes before
FLZ001>007-GAZ008-011-012-ALZ017-018-222345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA 629 PM EDT WED AUG 22 1990 ...SEVERE THUNDERSTORM WATCH FOR GULF AND FRANKLIN COUNTIES OF THE FLORIDA PANHANDLE UNTIL 900 PM EDT... AT 629 PM EDT...SCATTERED THUNDERSTORMS...WITH VERY HEAVY RAIN...AND SHOWERS WERE OCCURRING OVER THE FLORIDA PANHANDLE WEST OF THE APALACHICOLA RIVER. OTHER SCATTERED THUNDERSTORMS WERE OVER NORTH FLORIDA...SOUTH GEORGIA AND SOUTHEAST ALABAMA. THE HEAVIEST THUNDERSTORMS WERE OVER THE NORTHERN PORTION OF THE FLORIDA PANHANDLE AND SOUTHEAST ALABAMA JUST WEST OF DOTHAN. OTHER SCATTERED THUNDERSTORMS AND SHOWERS WERE OVER THE GULF 20 TO 75 MILES SOUTH THROUGH WEST OF APALACHICOLA. MOVEMENT WAS TO THE SOUTHEAST AT 15 MILES AN HOUR.
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 5:51 PM CDT | Severe Thunderstorm Warning | TAE | Escambia, Santa Rosa | 69 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.