Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 28, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 16, 1990, 4:47 PM CST for Escambia County, Santa Rosa County, Florida. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Mar 16, 1990, 4:47 PM CST (22:47 UTC)
- Expired
- Mar 16, 1990, 5:15 PM CST
- In force
- 28 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
Counties Escambia County, FL, Santa Rosa 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, 10.8 hours before the alert went out and 233 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
- 17 J/kg
- Mixed-layer CIN
- -169 J/kg
- Mixed-layer LCL
- 1083 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 238 m²/s²
- 0-3 km storm-relative helicity
- 323 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPNS 162245 SVRPNS FLC033-113-162315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PENSACOLA FL 447 PM CST FRI MAR 16 1990 THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST FLORIDA ...SOUTHERN ESCAMBIA COUNTY...SOUTHERN SANTA ROSA COUNTY A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 5 MILES SOUTH OF PENSACOLA BEACH AT 444 PM. THE STORM WAS MOVING TO THE NORTH- EAST AROUND 30 MPH. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. 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, Mar 16, 2:57 PM CST, 1 hour 50 minutes before
FLZ003-005-GAZ011-012-162300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 356 PM EST (256 PM CST) FRI MAR 16 1990 A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EST THIS FRIDAY AFTERNOON FOR MUCH OF NORTHWEST AND NORTH FLORIDA AND FOR SOUTHWEST AND SOUTH CENTRAL GEORGIA. AT THIS TIME NATIONAL WEATHER SERVICE RADARS INDICATED ONLY ISOLATED SHOWERS FROM DOTHAN AL TO CRESTVIEW FL. THIS WILL BE THE LAST SPECIAL WEATHER STATEMENT UNTIL RADAR OR SURFACE REPORTS INDICATE ANY SIGNIFICANT WEATHER.
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 8:01 AM CST | Severe Thunderstorm Warning | TAE | Escambia, Santa Rosa | 59 min |
| Mar 16, 9:51 AM CST | Flash Flood Warning | TAE | Escambia, Santa Rosa | 2 hr |
| Mar 16, 10:37 AM CST | Tornado Warning | TAE | Escambia, Santa Rosa | 38 min |
| Mar 16, 12:04 PM CST | Flash Flood Warning | TAE | Escambia, Santa Rosa | 116 min |
| Mar 16, 1:55 PM CST | Flash Flood Warning | TAE | Escambia, Santa Rosa | 2 hr |
| Mar 16, 2:29 PM CST | Severe Thunderstorm Warning | TAE | Escambia, Santa Rosa | 61 min |
| Mar 16, 3:55 PM CST | Flash Flood Warning | TAE | Escambia, Santa Rosa | 5 hr |
| Mar 16, 3:55 PM CST | Flash Flood Warning | TAE | Okaloosa | 5 hr |
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.