Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 129, NWS Mobile, AL

June 3, 1990George County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jun 3, 1990, 6:30 PM CDT for George County, Mississippi. It was in force for 45 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 3, 1990, 6:30 PM CDT (23:30 UTC)
Expired
Jun 3, 1990, 7:15 PM CDT
In force
45 min
Issued by
NWS Mobile, AL
Area
Whole counties

County George County, MS

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jun 3, 7:00 PM CDTThunderstorm Wind 0George, MS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.5 hours before the alert went out and 122 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.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 1990-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1322 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 1990-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1322 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
791 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMOB 032331
SVRMOB
MSC039-040015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
630 PM CDT SUN JUN 3 1990
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST MISSISSIPPI
 
   ...GEORGE COUNTY
 
AT 625 PM WEATHER SERVICE RADARS INDICATED A SEVERE THUNDERSTORM 5
MILES NORTH OF BENNDALE MOVING TOWARD THE EAST AT 25 MPH.
 
LARGE HAIL IS INDICATED WITH THIS THUNDERSTORMS AND DAMAGING WINDS ARE
LIKELY ALSO.
 
THE STORM WILL PASS NEAR LUCEDALE WITHIN THE NEXT HALF HOUR.
 
 
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, Jun 3, 4:40 PM CDT, 1 hour 50 minutes before
FLZ001>004-032230-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
435 PM CDT SUN JUN 3 1990

AT 430 PM CDT...RADAR INDICATED SEVERAL THUNDERSTORMS IN A LINE ACROSS
THE WESTERN FLORIDA PANHANDLE AND ADJACENT BALDWIN COUNTY OF ALABAMA.
THE LINE EXTENDED SOUTHWEST FROM DOTHAN ALABAMA ACROSS THE NORTHERN
HALVES OF OKALOOSA...SANTA ROSA...AND ESCAMBIA COUNTIES IN FLORIDA...
TO NEAR FAIRHOPE AND LOXLEY IN ALABAMA.

THESE STORMS INDICATD VERY STRONG INTENSITIES OF RAIN...GUSTY WINDS...
AND FREQUENT LIGHTNING. MOVEMENTS WERE SOUTHEASTERLY 15 TO 20 MILES
AN HOUR.

OTHER THUNDERSTORMS WERE SCATTERED ALONG THE GULF FROM NORTHWEST
FLORIDA TO MISSISSIPPI.
Special weather statement, Jun 3, 5:37 PM CDT, 53 minutes before
FLZ001>004-032330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
535 PM CDT SUN JUN 3 1990

AT 530 PM CDT...CLUSTERS AND SHORT LINES OF STRONG THUNDERSTORMS WERE
SCATTERED OVER THE GULF COASTAL STATES FROM MISSISSIPPI TO NORTHWEST
FLORIDA.

IN THE FLORIDA PANHANDLE...STRONG THUNDERSTORMS...DUMPING VERY HEAVY
RAINS...WITH STRONG GUSTY WINDS...PLUS FREQUENT CLOUD TO GROUND
LIGHTNING WERE LOCATED NEAR CRESTVIEW AN8D IN A SHORT LINE FROM MILTON
TO PENSACOLA.

THE STORMS WERE MOVING EAST SOUTHEAST 15 TO 20 MILES AN HOUR.
Special weather statement, Jun 3, 6:13 PM CDT, 17 minutes before
ALZ013-016-MSZ014-013-040115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
612 PM CDT SUN JUN 3 1990

...A FEW STRONG THUNDERSTORMS MOVING ACROSS SOUTHEAST MISSISSIPPI AND
SOUTHWEST ALABAMA...

AT 605 PM THE MOBILE RADAR SHOWED SEVERAL CLUSTERS OF STRONG
THUNDERSTORMS MOVING TOWARD THE EAST-SOUTHEAST AT 25 MPH ACROSS
SEVERAL COUNTIES IN SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA.
THE STRONGEST STORMS WERE LOCATED OVER GREEN...GEORGE AND JACKSON
COUNTIES OF MISSISSIPPI AND NORTHERN WASHINGTON COUNTY ALABAMA.

THESE THUNDERSTORMS WILL CONTINUE FOR SEVERAL MORE HOURS AND MOVE INTO
MOBILE AND BALDWIN COUNTIES OF ALABAMA.  WITH THE STRONGEST
THUNDERSTORMS...RESIDENTS CAN EeXPECT STRONG GUSTY WINDS...BRIEF
TORRENTIAL RAINFALL...DANGEROUS LIGHTNING AND POSSIBLY SOME HAIL.

THE THUNDERSTORMS ARE EXPECTED TO BEGIN WEAKENING BY 900 PM.

Nearby

Severe Thunderstorm Warnings in Mississippi, 1990Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.