Alert archive / Alabama / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 49, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 4, 1989, 7:04 PM CDT for Mobile County, Alabama; George County, Mississippi. It was in force for 56 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
- Apr 4, 1989, 7:04 PM CDT (00:04 UTC)
- Expired
- Apr 4, 1989, 8:00 PM CDT
- In force
- 56 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Mobile County, AL, George County, MS
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 |
|---|---|---|---|
| Apr 4, 7:35 PM CDT | Thunderstorm Wind 0 | Mobile, 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 0.1 hours before the alert went out and 136 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
- 2583 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMOB 050005
SVRMOB
ALC097-MSC039-050100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
704 PM CDT TUE APR 4 1989
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHWEST ALABAMA
...NORTHERN MOBILE
IN SOUTHEAST MISSISSIPPI
...GEORGE
AT 705 PM CDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS ALONG THE
MOBILE/WASHINGTON COUNTY LINE INTO GEORGE COUNTY MISSISSIPPI. THE
STORMS WERE MOVING TO THE EAST AT 40 MPH.
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
Local storm report, Apr 4, 6:00 PM CDT, 1 hour 4 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 555 PM CDT TUE APR 4 1989 AT 550 PM DUANES CHEVRON LOCATED ABOUT TWO MILES SOUTH OF CAMP SHELBY IN FORREST COUNTY MISSISSIPPI REPORTED DI,ME SIZE HAIL...ALSO HAD RECEIVED NUMEROUS REPORTS OF HAIL UP TO THE SIZE OF GOLFBALLS COVERNING THE GROUND AND CAUSING DRIVING PROBLEMS.
Local storm report, Apr 4, 6:02 PM CDT, 1 hour 2 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 555 PM CDT TUE APR 4 1989 AT 550 PM DUANES CHEVRON LOCATED ABOUT TWO MILES SOUTH OF CAMP SHELBY IN FORREST COUNTY MISSISSIPPI REPORTE0D DIME SIZE HAIL...ALSO HAD RECEIVED NUMEROUS REPORTS OF HAIL UP TO THE SIZE OF GOLFBALLS COVERNING THE GROUND AND CAUSING DRIVING PROBLEMS AT BROOKLYN IN THE SOUTH PART OF THE COUNTY.
Local storm report, Apr 4, 6:03 PM CDT, 1 hour 1 minute before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 555 PM CDT TUE APR 4 1989 AT 550 PM DUANES CHEVRON LOCATED ABOUT TWO MILES SOUTH OF CAMP SHELBY IN FORREST COUNTY MISSISSIPPI REPORTED DIME 1SIZE HAIL...ALSO HAD RECEIVED NUMEROUS REPORTS OF HAIL UP TO THE SIZE OF GOLFBALLS COVERNING THE GROUND AND CAUSING DRIVING PROBLEMS AT BROOKLYN IN THE SOUTH PART OF THE COUNTY. TIME OF OCCURRENCE WAS 500 PM.
Local storm report, Apr 4, 6:14 PM CDT, 50 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 615 PM CDT TUE APR 4 1989 THE SHERIFFS OFFICE IN GROVE HILL ALABAMA...CLARKE COUNTY...REPORTED HAIL MOSTLY MARBLE SIZE...BUT SOME UP TO GOLF> BALLS AT 540 PM CDT.
Local storm report, Apr 4, 6:44 PM CDT, 20 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 640 PM CDT TUE APR 4 1989 THE SHERIFFS OFFICE IN MILLRY ALABAMA...WASHINGTON COUNTY...REPORTED A POSSIBLE TORNADO THAT PARTIALLY UNROOFED THE IGoA STORE. ALSO... LARGE HAIL THAT DAMAGED VEHICLES. TIME OF OCCURRENCE 440 TO 500 PM.
Special weather statement, Apr 4, 6:47 PM CDT, 17 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 645 PM CDT TUE APR 4 1989 ...A TORNADO WATCH IS IN EFFECT FOR ESCAMBIA AND SANTA ROSA COUNTIES OF NORTHWEST FLORIDA UNTIL 10 PM CDT THIS TUESDAY EVENING... AT 630PM CDT...A SOLID LINE OF STRONG...POTENTIALLY SEVERE... THUNDERSTORMS STRETCHED ACROSS SOUTHERN ALABAMA AND SOUTHEAST MISSISSIPPI. THE LINE EXTENDED FROM TROY IN PIKE COUNTY OF ALABAMA SOUTHWESTWARD TO CITRONELLE IN NORTHERN MOBILE COUNTY...THEN ACROSS SOUTHEAST MISSISSIPPI. THE LINE WAS MOVING TO THE SOUTHEAST ABOUT 15 MILES AN HOUR. OTHER THUNDERSTORMS HAD DEVELOPED AHEAD OF THE LINE IN THE WESTERN END OF NORTHWEST FLORIDA. THESE WERE MOVING NORTHEAST AT 35 MILES AN HOUR.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 8:44 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 61 min |
| Apr 4, 9:47 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 58 min |
| Apr 4, 8:20 PM CDT | Severe Thunderstorm Warning | MOB | Hancock | 40 min |
| Apr 4, 9:53 PM CDT | Severe Thunderstorm Warning | MOB | Jackson | 67 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1989Severe Thunderstorm Warnings in Mississippi, 1989Every severe thunderstorm warning in 1989
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.