Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 47, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 4, 1989, 6:30 PM CDT for Greene County, Mississippi. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Apr 4, 1989, 6:30 PM CDT (23:30 UTC)
- Expired
- Apr 4, 1989, 7:30 PM CDT
- In force
- 60 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Greene County, MS
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
Slidell Radar S, LA (KSIL), launched 12:00Z, 11.5 hours before the alert went out and 148 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
- 768 J/kg
- Mixed-layer CIN
- -203 J/kg
- Mixed-layer LCL
- 1075 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMOB 042331
SVRMOB
MSC041-050030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
630 PM CDT TUE APR 4 1989
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST MISSISSIPPI
...GREENE
AT 630 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTH OF
MCLAIN MISSISSIPPI. THE STORM WAS 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 BUSSINESS. 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, Apr 4, 2:57 PM CDT, 3 hours 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 255 PM CDT TUE APR 4 1989 ...TORNADO WATCH NUMBER 91 IS NOW IN EFFECT FOR ALL PARTS OF SOUTHWEST ALABAMA SOUTHEAST MISSISSIPPI UNTIL 1000 PM... A TORNADO WATCH HAS NOW BEEN ISSUED THAT INCLUDES ALL COUNTIES IN SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. THE WATCH IS IN EFFECT UNTIL 1000 PM. AT 250 PM THE MOBILE RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM NEAR LAUREL MISSISSIPPI NORTHEASTWARD INTO CENTRAL ALABAMA. THE LINE WAS MOVING TOWARD THE SOUTHEAST AT 25 MPH WHILE THE INDIVIDUAL STORMS WERE MOVING EAST AROUND 50 MPH. IF THE PRESENT MOVEMENT AND INTENSITY PERSISTS...WARNINGS WILL BE ISSUED FOR WASHINGTON AND CLARKE COUNTIES OF ALABAMA WITHIN THE NEXT HOUR. RESIDENTS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA SHOULD REMAIN ALERT FOR WEATHER EVENTS THE AFTERNOON AND EVENING. THIS IS A STRONG WEATHER SYSTEM AND HAS A HIGH PROBABILITY OF PRODUCINuG SEVERE WEATHER.
Local storm report, Apr 4, 5:14 PM CDT, 1 hour 16 minutes before
ATTN SELS
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
510 PM CDT TUE APR 4 1989
THE FOLLOWING REPORTS HAVE BEEN RECEIVED AT THIS OFFICE UP TO 500 PM...
308 PM CDT...MARBLE SIZE HAIL JUST NORTH OF INTERSTATE 10 IN HANCOCK
COUNTY MISSISSIPPI.
425 PM CDT...PEA TO MARBLE SIZE HAIL ON THE SOUTH SIDE OF HATTIESBURG.
440 PM CDT...GOLF BALL SIZE HAIL IN MILLRY IN WASHINGTON COUNTY ALABAMA.
443 PM CDT...MARBLE SIZE HAIL REPORTED IN AND AROUND PURVIS MISSISSIPPI
IN LAMAR COUNTY.Local storm report, Apr 4, 6:00 PM CDT, 30 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, 28 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, 27 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 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, 16 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.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 3:30 PM CDT | Severe Thunderstorm Warning | MOB | Lamar | 45 min |
| Apr 4, 4:46 PM CDT | Severe Thunderstorm Warning | MOB | Forrest | 44 min |
Nearby
Severe 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; the sounding from the Mesonet's radiosonde archive.