Alert archive / Mississippi / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 72, NWS Mobile, AL

June 7, 1989Lamar County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jun 7, 1989, 11:13 PM CDT for Lamar County, Mississippi. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1989, 11:13 PM CDT (04:13 UTC)
Expired
Jun 7, 1989, 11:45 PM CDT
In force
32 min
Issued by
NWS Mobile, AL
Area
Whole counties

County 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 00:00Z, 4.2 hours before the alert went out and 108 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 00:00Z on 1989-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1274 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 00:00Z on 1989-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
1274 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
31 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 KJAN 080414
SVRJAN
MSC073-080445-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1113 PM CDT WED JUN 7 1989
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHEAST MISSISSIPPI
          ...SOUTHERN LAMAR
 
AT 1110 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED OVER EXTREME
SOUTHERN LAMAR COUNTY...JUST WEST OF LUMBERTON. THIS STORM WAS MOVING
TO THE NORTHEAST AT 30 MILES AN HOUR AND SHOULD BE MOVING CLOSE TO THE
PURVIS AREA BY 1130 PM.
 
 
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
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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

Local storm report, Jun 7, 5:28 PM CDT, 5 hours 45 minutes before
ATTN SELS
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
530 PM CDT WED JUN 7 1989

TIME      CO/STATE         EVENT
330PM     BALDWIN/AL       WIND DAMAGE 1 MILE WEST OF CROSSROADS.
                           SEVERAL TREES REPORTED DOWN IN THE AREA.
                           METAL CARPORT BLOWN DOWN. A SVR TSTM WRNG
                           WAS IN EFFECT AT THE TIME.
Special weather statement, Jun 7, 6:00 PM CDT, 5 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
600 PM CDT WED JUN 7 1989

...THE SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHEAST MISSISSIPPI
   HAS BEEN CANCELLED...

DURING THE PAST HOUR THUNDERSTORM INTENSITIES HAVE DIMINISHED AND
THEREFORE THE WATCH HAS BENN CANCELLED. AT 555 PM RADAR SHOWED A
LARGE AREA OF SHOWERS AND THUNDERSTORMS OVER SOUTHEAST MISSISSIPPI AND
SOUTHWEST ALABAMA. THE ACTIVITY WAS MOVING EAST AT 20 MPH.

SOME OF THESE STORMS ARE STILL CAPABLE OF PRODUCING DANGEROUS LIGHTNING...
HEAVY RAINFALL...GUSTY WINDS AND SMALL HAIL. THUNDERSTORM ACTIVITY IS
EXPECTED TO CONTINUE ACROSS THE GULF COAST THROUGH MUCH OF THE NIGHT.
Special weather statement, Jun 7, 7:31 PM CDT, 3 hours 42 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
730 PM CDT WED JUN 7 1989

...THUNDERSTORMS INCREASING OVER THE FLORIDA PANHANDLE...

AT 730 PM CDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...FREQUENT
LIGHTNING...STRONG WINDS AND POSSIBLE HAIL WERE DEVELOPING OVER
ESCAMBIA AND SANTA ROSA COUNTIES. THE THUNDERSTORMS WERE MOVING
NORTHEAST AT 25 TO 30 MILES AN HOUR AND WILL MOVE ACROSS THE PANHANDLE
FROM WEST TO EAST.

OTHER THUNDERSTORMS WITH HEAVY RAIN WERE OVER THE PANAMA CITY AREA AND
OUT IN THE GULF 10 TO 100 MILES SOUTH OF THE NORTHWEST FLORIDA COAST.

PEOPLE IN THESE AREAS SHOULD LISTEN AND WATCH FOR FURTHER THUNDERSTORM
INFORMATION AND BE PREPARzED TO TAKE SHELTER IF NECESSARY.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 11:48 PM CDTSevere Thunderstorm WarningMOBForrest27 min
Jun 8, 2:52 AM CDTSevere Thunderstorm WarningMOBHancock, Harrison, Pearl River, Stone68 min
Jun 8, 12:21 PM CDTTornado WarningMOBHancock39 min
Jun 8, 1:18 PM CDTSevere Thunderstorm WarningMOBJackson42 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.