Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 63, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 23, 1989, 6:36 PM CDT for Forrest County, Lamar County, Mississippi. It was in force for 39 min.
The area
The counties it named.
The facts
- Issued
- May 23, 1989, 6:36 PM CDT (23:36 UTC)
- Expired
- May 23, 1989, 7:15 PM CDT
- In force
- 39 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Forrest County, MS, Lamar 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, 11.6 hours before the alert went out and 110 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
- 3122 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 577 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 110 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 KJAN 232338
SVRJAN
MSC035-073-232330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
636 PM CDT TUE MAY 23 1989
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTHEAST MISSISSIPPI
...FORREST...LAMAR
AT 630 PM CDT...JACKSON RADAR INDICATED A CLUSTER OF VERY STRONG
THUNDERSTORMS PRODUCING LARGE HAIL JUST SOUTH OF HATTIESBURG.
THE STORM IS DRIFTING SLOWLY SOUTH AND WILL BE APPROACHING CAMP
SHELBY AND PURVIS BEFORE 700 PM.
MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS
IF THREATENING WEATHER ARRIVES.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, 2:30 PM CDT, 4 hours 6 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 230 PM CDT TUE MAY 23 1989 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 5 PM CDT AND INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST FLORIDA. ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...BAY...WASHINGTON AND HOLMES. AT 230 PM CDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE OVER SOUTH ALABAMA AND THE WEST FLORIDA PANHANDLE. THUNDERSTORMS WERE 25 MILES OR MORE INLAND AND WERE MOVING TOWARD THE EAST NEAR 25 MILES AN HOUR.
Special weather statement, May 23, 2:47 PM CDT, 3 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 245 PM TUE MAY 23 1989 ALL COUNTIES IN SOUTHWEST ALABAMA REMAIN UNDER A SEVERE THUNDERSTORM WATCH UNTIL 500 PM TODAY. AT 240 PM THE MOBILE RADAR INDICATED SCATTERED THUNDERSTORMS MOVING TOWARD THE EAST AT 35 MPH OVER SOUTHWEST ALABAMA. THE STRONGEST STORMS WERE MOVING ACROSS NORTHWESTERN CLARKE COUNTY ALABAMA. RESIDENTS OF SOUTHWEST ALABAMA SHOULD REMAIN ALERT FOR THE POSSIBLITY OF SEVERE WEATHER THIS AFTERNOON.
Special weather statement, May 23, 3:26 PM CDT, 3 hours 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 330 PM CDT TUE MAY 23 1989 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 5 PM CDT AND INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST FLORIDA. ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...BAY...WASHINGTON AND HOLMES. AT 330 PM CDT...NUMEROUS THUNDERSTORMS...SOME WITH VERY HEAVY RAIN... WERE OVER SOUTH ALABAMA AND THE WEST FLORIDA PANHANDLE. THUNDERSTORMS MAINLY 15 MILES OR MORE INLAND BUT WERE BEGINNING TO SPREAD SLOWLY SOUTH TOWARD THE COAST. INDIVIDUAL THUNDERSTORMS WERE MOVING TOWARD THE EAST ABOUT 25 MILES AN HOUR. STRONG GUSTY WINDS ALONG WITH PERIODS OF HEAVY RAIN AND FREQUENT LIGHTNING CAN B"E EXPECTED WITH THE PASSAGE OF THESE THUNDERSTORMS.
Special weather statement, May 23, 4:10 PM CDT, 2 hours 26 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, 52 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, 5 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
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 4:21 PM CDT | Severe Thunderstorm Warning | MOB | Greene | 54 min |
| May 23, 6:04 PM CDT | Severe Thunderstorm Warning | MOB | Forrest | 26 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.