Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 164, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Aug 22, 1990, 2:38 PM CDT for Crenshaw County, Alabama. It was in force for 67 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, 2:38 PM CDT (19:38 UTC)
- Expired
- Aug 22, 1990, 3:45 PM CDT
- In force
- 67 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Crenshaw County, AL
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, 3:30 PM CDT | Thunderstorm Wind 0 | Crenshaw, AL |
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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 7.6 hours before the alert went out and 154 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
- 1231 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1143 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 33 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 KMGM 221941 SVRMGM ALC041-222045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MONTGOMERY AL 238 PM CDT WED AUG 22 1990 THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH ALABAMA ...CRENSHAW COUNTY AT 240 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM 15 MILES NORTHEAST OF GREENVILLE MOVING TOWARD THE SOUTHEAST AT 15 MPH. THIS STORM WILL BE IN NORTHWEST CRENSHAW COUNTY IN THE NEXT 10 TO 15 MINUTES. 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, 2:15 PM CDT, 23 minutes before
ALZ013-015-016-MSZ014-013-222100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 215 PM CDT WED AUG 22 1990 ...THUNDERSTORM WATCH NUMBER 670 IS IN EFFECT FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI COUNTIES EXCEPT FOR HANCOCK AND PEARL- RIVER COUNTIES UNTIL 8 PM CDT... MOBILE RADAR AT 210 PM CDT SHOWED SCATTERED SHOWERS AND STRONG THUNDERSTORMS OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THE STORMS WERE MOVING SOUTHEAST WITH THE STRONGEST STORMS IN NORTHERN CLARKE COUNTY OF SOUTHWEST ALABAMA AND JUST NORTH OF THE CITY OF MOBILE IN MOBILE COUNTY ALABAMA. RESIDENTS IN THE WATCH AREAS SHOULD REMAIN ON THE ALERT FOR CHANGING WEATHER CONDITIONS AND BE PREPARE TO TAKE NECESSARY ACTIONS FOR SAFETY. THE STRONGER STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS... SMALL SIZE HAIL... DANGEROUS LIGHTNING... AND HEAVY RAINFALL AS THEY TRACK SOUTHEAST ACROSS THE AREA FOR THE NEXT COUPLE HOURS.
Special weather statement, Aug 22, 2:38 PM CDT, 0 minutes before
FLZ001>004-222035- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 230 PM CDT WED AUG 22 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ESCAMBIA...SANTA ROSA... OKALOOSA...WALTON...WASHINGTON...HOLMES...AND BAY COUNTIES IN THE FLORIDA PANHANDLE UNTIL 800 PM CDT.... AT 230 PM CDT...SCATTERED THUNDERSTORMS WERE OVER SOUTHEAST MISSISSIPPI...SOUTH ALABAMA...THE CENTRAL FLORIDA PANHANDLE...AND THE GULF OF MEXICO 25 TO 50 SOUTH OF THE PANHANDLE. MOVEMENT WAS TO THE SOUTHEAST AT 10 MILES AN HOUR.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 1:53 PM CDT | Severe Thunderstorm Warning | MOB | Dale, Henry, Houston | 67 min |
| Aug 22, 2:09 PM CDT | Severe Thunderstorm Warning | MOB | Montgomery | 51 min |
| Aug 22, 3:36 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 69 min |
| Aug 22, 5:03 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 57 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.