Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 152, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 5, 1990, 3:10 PM CDT for Escambia County, Alabama. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Aug 5, 1990, 3:10 PM CDT (20:10 UTC)
- Expired
- Aug 5, 1990, 4:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Escambia County, AL
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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 8.2 hours before the alert went out and 197 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
- 818 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 1322 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 64 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 KMOB 052012 SVRMOB ALC053-052100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 310 PM CDT SUN AUG 5 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...ESCAMBIA COUNTY AT 308 PM MOBILE RADAR INDICATED TWO SEVERE THUNDERSTORMS IN ESCAMBIA COUNTY ALABAMA. ONE WAS 15 MILES NORTHEAST OF ATMORE AND THE OTHER WAS 10 MILES SOUTH OF BREWTON. THE STORMS WERE MOVING TO THE NORTH AT 5 MILES AN HOUR AND MAY PRODUCE TORRENTIAL RAIN...DAMAGING WINDS AND FREQUENT DEADLY LIGHTNING FOR THE NEXT 45 MINUTES. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
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, 1:45 PM CDT, 1 hour 25 minutes before
FLZ001>004-051940- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 140 PM CDT SUN AUG 5 1990 AT 135 PM CDT...A STRONG THUNDERSTORM WAS OVER THE COMMUNITY OF BUELAH IN SOUTHWEST ESCAMBIA COUNTY FLORIDA. THIS STORM WILL PRODUCE STRONG GUSTY WINDS...NUMEROUS DEADLY LIGHTNING STRIKES...TORENNTIAL RAIN AND POSSIBLE HAIL. FLOODING OF LOW AREAS IS LIKELY DUE TO SLOW MOVEMENT. ELSEWHERE SCATTERED SHOWERS AND THUNDERSTOREMS CONTINUE TO DEVELOPE OVER THE FLORIDA PANHANDLE...SOUTHWEST AND SOUTHEAST ALABAMA. THE THUNDERSTORMS WERE MOVING VERY LITTLE.
Special weather statement, Aug 5, 2:47 PM CDT, 23 minutes before
FLZ001>004-052040- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 240 PM CDT SUN AUG 5 1990 AT 235 PM CDT...A LINE OF STRONG THUNDERSTORMS EXTENDS FROM NEAR ELBERTA ALABAMA...THROUGH CENTRAL ESCAMBIA AND NORTHERN SANTA ROSA COUNTIES FLORIDA AND INTO SOUTHEAST ALABAMA. SOME OF THE HEAVIER STORMS WILL PRODUCE STRONG GUSTY WINDS...POSSIBLE HAIL AND DEADLY LIGTNING STRIKES. FLOODING OF LOW AREAS IS LIKELY DUE TO SLOW MOVEMENT AND VERY HEAVY RAIN. ELSEWHERE WIDELY SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE OVER THE EAST FLORIDA PANHANDLE AND SOUTHEAST LOUISIANA. THE THUNDERSTORMS WERE MOVING VERY LITTLE.
Local storm report, Aug 5, 2:49 PM CDT, 21 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
245 PM CDT SUN AUG 5 1990
TIME: REPORT:
205 PM CDT PUBLIC REPORTED ROOF DAMAGE TO FLYING K TRUCK STOP AND
POWER LINES DOWN AT INTERSTATE 10 AND ALABAMA 59 IN
BALDWIN COUNTY ALABAMA. VERY HEAVY RAIN AND STRONG WIND
REDUCED VISIBILITY TO ZERO. (AZRAN FROM MOB 94/25)The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 11:03 AM CDT | Tornado Warning | MOB | Mobile | 27 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 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.