Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 65, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 23, 1989, 9:02 PM CDT for Jackson County, Mississippi. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- May 23, 1989, 9:02 PM CDT (02:02 UTC)
- Expired
- May 23, 1989, 9:30 PM CDT
- In force
- 28 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Jackson 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 00:00Z, 2.0 hours before the alert went out and 106 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
- 1958 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1252 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMOB 240204
SVRMOB
MSC059-240230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MOBILE AL
902 PM CDT TUE MAY 23 1989
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING AND
SPECIAL MARINE WARNING EFFECTIVE UNTIL 930 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST MISSISSIPPI
...SOUTHEASTERN JACKSON
AND ADJOINING COASTAL WATERS.
AT 855 PM UNITS OF THE JACKSON COUNTY MISSISSIPPI SHERIFFS OFFICE WERE
RECEIVING SEVERE HAIL ON INTERSTATE 10 JUST EAST OF PASCAGOULA.
MOBILE RADAR INDICATED A SEVERE THUNDERSTORM IN THE EXTREME SOUTHEAST
CORNER OF JACKSON COUNTY MISSISSIPPI. IT WAS MOVING TO THE SOUTH AT
10 MILES AN HOUR AND WILL MOVE INTO THE MISSISSIPPI SOUND DURING THE
NEXT HALF HOUR.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FORV 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, May 23, 4:10 PM CDT, 4 hours 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 410 PM CDT TUE MAY 23 1989 ...SOUTHWEST ALABAMA REMAINS UNDER A SEVERE THUNDERSTORM WATCH UNTIL 5 PM CDT... AT 405 PM NUMEROUS THUNDERSTORMS WERE OVER SOUTHWEST ALABAMA MOVING EAST-SOUTHEAST AT 20 MPH. THE STRONGEST STORMS WERE LOCATED FROM SOUTHWEST MONROE COUNTY EXTENDING SOUTHWARD ACROSS WESTERN ESCAMBIA COUNTY. OTHER THUNDERSTORMS WERE OCCURRING IN WASHINGTON AND SOUTHERN CLARKE COUNTIES. LITTLE THUNDERSTORM ACTIVITY WAS IN MOBILE OR BALDWIN COUNTIES BUT STORMS ARE EXPECTED TO MOVE INTO THESE COUNTIES DURING THE NEXT SEVERAL HOURS. RESIDENTS OF SOUTHWEST ALABAMA SHOULD REMAIN ALERT FOR THE POSSIBLITY OF SEVERE WEATHER dFOR THE REMAINDER OF THE AFTERNOON.
Special weather statement, May 23, 5:44 PM CDT, 3 hours 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 545 PM CDT TUE MAY 23 1989 ...SEVERE THUNDERSTORM WATCH UNTIL 10 PM FOR ALL OF SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI... AT 540 PM A LINE OF THUNDERSTORMS 20 MILES WIDE EXTENDED FROM THE LAUREL-HATTIESBURG AREA SOUTHEASTWARD ACROSS CITRONELLE AND BAY MINETTE ALABAMA. THE LINE WAS MOVING SOUTH AT 15 MPH WHILE THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MPH. THE LINE OF STORMS HAS DECREASED IN INTENSITY DURING THE PAST HOUR. HOWEVER...THE LINE COULD INTENSIFY AT ANY TIME THIS EVENING. STRONG GUSTY WINDS...DANGEROUS LIGHTNING...HEAVY RAINFALL AND POSSIBLY HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS AS THEY CONTINUE MOVING TOWARDS THE COAST.
Special weather statement, May 23, 6:31 PM CDT, 2 hours 31 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 630 PM CDT TUE MAY 23 1989 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR THE NORTHWEST FLORIDA PANHANDLE... AT 630 PM CDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE OVER THE FLORIDA PANHANDLE AND SOUTHWEST ALABAMA WITH THE HEAVIEST RAIN STRETCHING FROM FT WALTON NORTHWEST TO NEAR MOBILE. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 TO 30 MILES AN HOUR. THESE THUNDERSTORMS MAY PRODUCE PERIODS OF VERY HEAVY RAIN...FREQUENT LIGHTNING...STRONG GUSTY WINDS AND POSSIBLE HAIL. PEOPLE IN THESE AREAS SHOULD STAY ALERT AND BE PREPARED TO MOVE TO SAFETY IF WARNINGS ARE ISSUED. F
Special weather statement, May 23, 7:31 PM CDT, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 730 PM CDT TUE MAY 23 1989 ...SEVERE THUNDERSTORM WATCH UNTIL 10 PM FOR ALL OF SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI... AT 725 PM A LINE OF THUNDERSTORMS EXTENDED FROM THE HATTIESBURG MISSISSIPPI SOUTHEASTWARD TO MOBILE AND LOXLEY ALABAMA. THE LINE WAS MOVING SOUTH AT 25 MPH OVER THE ALABAMA COUNTIES WHILE AT MUCH SLOWER MOVEMENT WAS NOTED IN MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE ACROSS THE CENTRAL PORTIONS OF MOBILE AND BALDWIN COUNTIES FROM MOBILE TO LOXLEY AND OVER NORTHERN JACKSON COUNTY OF MISSISSIPPI. EXPECT STRONG GUSTY WINDS...DANGEROUS LIGHTNING ....HEAVY RAINFALL AND POSSIBLY SOME HAIL AS THE LINE OF STORMS MOVES TOWARDS THE COASTAL WATERS.
Special weather statement, May 23, 7:31 PM CDT, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 730 PM CDT TUE MAY 23 1989 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR THE NORTHWEST FLORIDA PANHANDLE... AT 730 PM CDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...STRETCHED IN A BAND FROM DESTIN WEST TO MOBILE. HEAVY RAIN...FREQUENT LIGHTNING.. GUSTY WINDS AND POSSIBLE HAIL MAY ACCOMPANY THE THUNDERSTORMS AS THEY MOVE SOUTHEAST AT 25 TO 30 MILES AN HOUR. OTHER THUNDERSTORMS WERE NEAR APALACHICOLA...OVER SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.
Special weather statement, May 23, 8:29 PM CDT, 33 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 830 PM CDT TUE MAY 23 1989 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR THE IMMEDIATE COASTAL AREAS OF THE NORTHWEST FLORIDA PANHANDLE... AT 830 PM CDT...A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS OVER COASTAL ALABAMA WEST OF PENSACOLA AND SOUTH OF MOBILE. OTHER THUNDERSTORMS...SOME WITH HEAVY RAIN...WERE OVER THE NORTHWEST FLORIDA COASTAL WATERS AND WERE SCATTERED OVER SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 TO 30 MILES AN HOUR.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 7:31 PM CDT | Severe Thunderstorm Warning | MOB | Jackson | 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.