Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 19, NWS Mobile, AL

March 1, 1994Jackson County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Mar 1, 1994, 9:22 AM CST for Jackson County, Mississippi. It was in force for 68 min.

The area

The counties it named.

The facts

Issued: Mar 1, 1994, 9:22 AM CST (15:22 UTC)
Expired: Mar 1, 1994, 10:30 AM CST
In force: 68 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Jackson County, MS

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 3.4 hours before the alert went out and 203 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4 J/kg
Mixed-layer CIN: -219 J/kg
Mixed-layer LCL: 558 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 327 m²/s²
0-3 km storm-relative helicity: 421 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 011526 RRA
SVRMOB
MSC059-011630-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MOBILE AL
922 AM CST TUE MAR 1 1994
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL 1030 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSISSIPPI
 
   ...JACKSON COUNTY
 
AT 925 AM CST RADAR INDICATED A SEVERE THUNDERSTORM OVER THE MISSISSIPPI
SOUND NEAR OCEAN SPRINGS MISSISSIPPI. THE STORM WAS MOVING TO THE EAST
AT 35 MPH. THIS STORM WILL PASS NEAR GAUTIER AND PASCAGOULA DURING THE
NEXT HOUR.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE H
AIL...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

Local storm report, Mar 1, 9:01 AM CST, 21 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
900 AM CST TUE MARCH 1 1994

TIME             EVENT
900 AM     PASS CHRISTIAN HARRISON COUNTY MISSISSIPPI PD REPORTED
           1/4 TO 3/8 IN HAIL.

Local storm report, Mar 1, 9:20 AM CST, 2 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
900 AM CST TUE MARCH 1 1994

TIME             EVENT
915 AM     HARRISON COUNTY MISSISSIPPI CD REPORTED MARBLE SIZE HAIL
           AT LONG BEACH MISSISSIPPI.

Local storm report, Mar 1, 9:20 AM CST, 2 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
900 AM CST TUE MARCH 1 1994

TIME             EVENT
915 AM     HARRISON COUNTY MISSISSIPPI CD REPORTED MARBLE SIZE HAIL
           AT LONG BEACH MISSISSIPPI.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 1, 8:40 AM CST	Severe Thunderstorm Warning	MOB	Hancock, Harrison	65 min
Mar 1, 11:46 AM CST	Tornado Warning	MOB	Jackson	44 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1994 Every severe thunderstorm warning in 1994

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.