Alert archive / Mississippi / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 82, NWS Mobile, AL

June 5, 1991George County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jun 5, 1991, 4:55 PM CDT for George County, Mississippi. It was in force for 50 min. 2 reports 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 5, 1991, 4:55 PM CDT (21:55 UTC)
Expired
Jun 5, 1991, 5:45 PM CDT
In force
50 min
Issued by
NWS Mobile, AL
Area
Whole counties

County George County, MS

What was reported inside it

TimeReportWhereRemark
Jun 5, 4:58 PM CDTThunderstorm Wind 0George, MS
Jun 5, 5:05 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, 9.9 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 1991-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1156 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 1991-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
1156 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 5, 4:50 PM CDT, 5 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
447 PM CDT WED JUN 5 1991

TIME             EVENT
340 PM CDT       HARRISON SO MISSISSIPPI REPORTED MARBLE SIZE HAIL.

352 PM CDT       PUBLIC REPORTS TREES DOWN NORTH OF KILN
                 HARRISON COUNTY

440 PM CDT       HARRISON CD REPORTED TREES DOWN AND A TIN ROOF
                 OFF A BUILDING IN NORTH BILOXI.  REPORTED AS AN
                 UNCONFIRMED TORNADO.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 4:56 PM CDTSevere Thunderstorm WarningMOBDallas64 min
Jun 5, 5:17 PM CDTSevere Thunderstorm WarningMOBMobile58 min
Jun 5, 3:42 PM CDTSevere Thunderstorm WarningMOBPerry63 min
Jun 5, 4:01 PM CDTSevere Thunderstorm WarningMOBStone59 min
Jun 5, 4:11 PM CDTSevere Thunderstorm WarningMOBHarrison49 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1991Every severe thunderstorm warning in 1991

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.