Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 23, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 16, 1990, 8:01 AM CST for Escambia County, Santa Rosa County, Florida. It was in force for 59 min. 2 reports 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
- Mar 16, 1990, 8:01 AM CST (14:01 UTC)
- Expired
- Mar 16, 1990, 9:00 AM CST
- In force
- 59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 16, 8:30 AM CST | Thunderstorm Wind 55 | Escambia, FL | |
| Mar 16, 8:30 AM CST | Thunderstorm Wind 65 | Santa Rosa, 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, 2.0 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 161357 SVRPNS FLC033-113-161500- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PENSACOLA FL 801 AM CST FRI MAR 16 1990 THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST FLORIDA ...ESCAMBIA COUNTY...SANTA ROSA COUNTY THUNDERSTORMS MOVING THROUGH ESCAMBIA AND SANTA ROSA COUNTIES HAVE CAUSED SCATTERED REPORTS OF WIND DAMAGE...ALONG WITH HEAVY RAIN AMOUNTS. THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH NORTHWEST FLORIDA TODAY. PERSONS SHOULD REMAIN ALERT FOR THREATENING WEATHER AND BE PREPARED TO MOVE QUICKLY TO A PLACE OtF SAFETY. 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.
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 |
| Mar 16, 4:47 PM CST | Severe Thunderstorm Warning | TAE | Escambia, Santa Rosa | 28 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.