Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 61, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 23, 1989, 4:21 PM CDT for Greene County, Mississippi. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- May 23, 1989, 4:21 PM CDT (21:21 UTC)
- Expired
- May 23, 1989, 5:15 PM CDT
- In force
- 54 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, 9.4 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
- 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 KMOB 232123
SVRMOB
MSC041-232215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
421 PM CDT TUE MAY 23 1989
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST MISSISSIPPI
...NORTHERN GREENE
AT 420 PM CDT THE MOBILE RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES
EAST OF RICHTON MOVING TO THE EAST AT 30 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
Special weather statement, May 23, 12:30 PM CDT, 3 hours 51 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1230 PM CDT TUE MAY 23 1989 ...A SEVERE THUNDERSTORMS WATCH IS IN EFFECT UNTIL 5 PM CDT AND INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST FLORIDA. ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...BAY...WASHINGTON AND HOLMES. AT 1230 PM CDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE OVER SOUTH ALABAMA AND THE WEST FLORIDA PANHANDLE. THUNDERSTORMS WERE MAINLY 15 MILES OR MORE INLAND AND WERE MOVING TOWARD THE EAST NEAR 25 MILES AN HOUR.
Special weather statement, May 23, 1:30 PM CDT, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 130 PM CDT TUE MAY 23 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 PM CDT AND INCLUDES THE FOLLOWING COUNTIES IN NORTHWEST FLORIDA. ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...BAY...WASHINGTON AND HOLMES. AT 130 PM CDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE OVER SOUTH ALABAMA AND THE WEST FLORIDA PANHANDLE. THUNDERSTORMS WERE MAINLY 25 MIOLES OR MORE INLAND AND WERE MOVING TOWARD THE EAST NEAR 25 MILES AN HOUR.
Special weather statement, May 23, 2:30 PM CDT, 1 hour 51 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, 1 hour 34 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, 55 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, 11 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.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 6:04 PM CDT | Severe Thunderstorm Warning | MOB | Forrest | 26 min |
| May 23, 6:36 PM CDT | Severe Thunderstorm Warning | MOB | Forrest, Lamar | 39 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.