Alert archive / Mississippi / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 9, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 11, 1993, 8:10 PM CST for Pearl River County, Mississippi. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Feb 11, 1993, 8:10 PM CST (02:10 UTC)
- Expired
- Feb 11, 1993, 9:15 PM CST
- In force
- 65 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Pearl River County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 2.2 hours before the alert went out and 59 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
- 346 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1275 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 59 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 120211 SVRMOB MSC109-120315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 810 PM CST THU FEB 11 1993 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MISSISSIPPI ...PEARL.RIVER COUNTY AT 805 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO WESTERN PEARL RIVER COUNTY. THIS THUNDERSTORM WILL SOON AFFECT THE COMMUNITIES OF WHITE SAND...CROSSROADS AND HENLEYFIELD. THIS STORM WAS MOVING TO THE EAST AT 35 MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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, Feb 11, 5:27 PM CST, 2 hours 43 minutes before
ALZ013-015-016-MSZ014-013-120030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 525 PM CST THU FEB 11 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA UNTIL 10 PM CST TONIGHT... AT 520 PM NATIONAL WEATHER SERVICE RADAR INDICATED AN INTENSE THUNDERSTORM NEAR FOLSOM IN SOUTHEAST LOUISIANA. THIS THUNDERSTORM WAS MOVING EASTWARD AT 35 MPH AND MAY AFFECT PEARL RIVER COUNTY MISSISSIPPI WITHIN THE NEXT HOUR. ELSEWHERE OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA...RADAR INDICATED NO SHOWERS OR THUNDERSTORMS BUT KEEP IN MIND THAT A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT. THIS MEANS THAT CONDITIONS ARE FAVORABLE TONIGHT FOR THE FORMATION OF SEVERE THUNDERSTORMS IN OR CLOSE TO THE WATCH AREA. STAY TUNED FOR FURTHER UPDATES AND POSSIBLE WARNINGS.
Special weather statement, Feb 11, 5:45 PM CST, 2 hours 25 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-120030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 535 PM CST THU FEB 11 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1000 PM CST THIS THURSDAY EVENING FOR THE FOLLOWING COUNTIES OF NORTHWEST FLORIDA ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...HOLMES...AND THE ADJOINING COASTAL WATERS OF ESCAMBIA...SANTA ROSA...OKALOOSA...AND WALTON... AT 530 PM CST...STRONG THUNDERSTORMS WERE OVER INTERIOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. THE STRONGER THUNDERSTORMS WERE IN LAUDERDALE AND CLARKE COUNTIES OF MISSISSIPPI...AND WERE MOVING INTO SOUTHERN SUMTER AND NORTHERN CHOCTAW COUNTIES OF ALABAMA. OTHER THUND"ERSTORMS WERE DEVELOPING BETWEEN BATON ROUGE AND SLIDELL LOUISIANA. THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR. THERE WERE NO THUNDERSTORMS IN THE FLORIDA PANHANDLE AT THIS TIME.
Special weather statement, Feb 11, 6:39 PM CST, 1 hour 31 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-120130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 635 PM CST THU FEB 11 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1000 PM CST THIS THURSDAY EVENING FOR THE FOLLOWING COUNTIES OF NORTHWEST FLORIDA ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...HOLMES...AND THE ADJOINING COASTAL WATERS OF ESCAMBIA...SANTA ROSA...OKALOOSA...AND WALTON... AT 630 PM CST...STRONG THUNDERSTORMS WERE SCATTERED OVER INTERIOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. THE STRONGER THUNDERSTORMS WERE IN NORTH MARENGO COUNTY NORTH OF LINDEN AND IN SOUTH HALL COUNTIES OF ALABAMA...AND NORTH OF BAY ST LOUIS IN HANCOCK COUNTY MISSISSIPPI. THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR. THERE WERE NO THUNDERSTORMS IN THE FLORIDA PANHANDLE AT THIS TIME.
Special weather statement, Feb 11, 7:10 PM CST, 1 hour before
ALZ013-015-016-MSZ014-013-120200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 705 PM CST THU FEB 11 1993 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL COUNTIES IN SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA UNTIL 10 PM... ...SEVERE THUNDERSTORM WARNING FOR HANCOCK COUNTY MISSISSIPPI HAS EXPIRED... AT 700 PM CST RADAR SHOWED A SHORT LINE OF STRONG THUNDERSTORMS IN PERRY AND STONE COUNTY MISSISSIPPI MOVING INTO GREENE AND GEORGE COUNTIES. THE STORMS WERE MOVING TO THE EAST AT 35 MPH. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO DEVELOP IN AND NEAR THE WATCH AREA. &
Special weather statement, Feb 11, 7:39 PM CST, 31 minutes before
FLZ001>004-ALZ010-013>018-MSZ012>014-120230- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 735 PM CST THU FEB 11 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 1000 PM CST THIS THURSDAY EVENING FOR THE FOLLOWING COUNTIES OF NORTHWEST FLORIDA ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...HOLMES...AND THE ADJOINING COASTAL WATERS OF ESCAMBIA...SANTA ROSA...OKALOOSA...AND WALTON... AT 730 PM CST...STRONG THUNDERSTORMS WERE SCATTERED OVER SOUTHWEST ALABAMA...SOUTHEAST MISSISSIPPI...AND SOUTHEAST LOUISIANA. THE STRONGER THUNDERSTORMS WERE WEST OF LUCEDALE IN GEORGE COUNTY AND IN SOUTH GREEN COUNTY MISSISSIPPI...AND IN DALLAS AND PERRY COUNTIES OF ALABAMA0. THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR. THERE WERE NO THUNDERSTORMS IN THE FLORIDA PANHANDLE AT THIS TIME.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 6:12 PM CST | Severe Thunderstorm Warning | MOB | Hancock | 48 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1993Every severe thunderstorm warning in 1993
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.