Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 10, NWS Mobile, AL

January 27, 1994Harrison County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jan 27, 1994, 8:47 PM CST for Harrison County, Mississippi. It was in force for 43 min.

The area

The counties it named.

The facts

Issued: Jan 27, 1994, 8:47 PM CST (02:47 UTC)
Expired: Jan 27, 1994, 9:30 PM CST
In force: 43 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Harrison County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 2.8 hours before the alert went out and 62 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: 1069 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 518 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 387 m²/s²
0-3 km storm-relative helicity: 437 m²/s²
Significant tornado parameter: 2.9
Supercell composite: 12.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 280247 RRA
SVRMOB
MSC039-047-280330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
847 PM CST THU JAN 27 1994
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST MISSISSIPPI
 
   ...GEORGE COUNTY...HARRISON COUNTY
 
AT 845 PM CST RADAR SHOWED A SLINE OF SEVERE THUNDERSTORMS FROM
CITRONELLE ALABAMA NEAR LUCEDALE MISSISSIPPI TO JUST WEST OF GULFPORT.
THE LINE OF SEVERE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 20 MPH.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUdCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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, Jan 27, 8:00 PM CST, 47 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
800 PM CST THUR JAN 27 1994

TIME             EVENT
745 PM           STONE COUNTY MISSISSIPPI SO REPORTED TREES DOWN
                 NEAR PERKINSTON.  POWER OUTAGES ALL OVER THE COUNTY.

WWUS35KNYC-HrWWUS35 KNYC 280200
j

Local storm report, Jan 27, 8:11 PM CST, 36 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
812 PM CST THUR JAN 27 1994

TIME             EVENT
750 PM           MOBILE COUNTY 911 REPORTED SEVERAL TREES DOWN IN THE
                 CITY OF MOBILE DUE TO STRONG WINDS.

Local storm report, Jan 27, 8:24 PM CST, 23 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
820 PM CST THUR JAN 27 1994

TIME             EVENT
740 PM           PEARL-RIVER SHERIFFS OFFICE REPORTED SEVERAL TREES
                 DOWN ALONG HIGHWAY 11 NORTH OF TOWN.

Local storm report, Jan 27, 8:42 PM CST, 5 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
840 PM CST THUR JAN 27 1994

TIME             EVENT
740 PM           WASHINGTON COUNTY ALABAMA SHERIFFS OFFICE REPORTED
                 A FEW TREES DOWN AROUND CHATOM.

Local storm report, Jan 27, 8:42 PM CST, 5 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
840 PM CST THUR JAN 27 1994

TIME             EVENT
740 PM           WASHINGTON COUNTY ALABAMA SHERIFFS OFFICE REPORTED
                 A FEW TREES DOWN AROUND CHATOM.

Special weather statement, Jan 27, 8:44 PM CST, 3 minutes before

FLZ001>010-012-280330-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENSACOLA FL
830 PM CST THU JAN 27 1994

...A TORNADO WATCH IS IN EFFECT ALONG THE GULF COAST UNTIL MIDNIGHT.
ESCAMBIA...SANTA ROSA AND OKALOOSA COUNTIES IN NORTHWEST FLORIDA ARE
INCLUDED IN THIS TORNADO WATCH...

AT 830 PM CST...RADAR WAS DETECTING TWO LINES OF STRONG SHOWERS AND
THUNDERSTORMS. ONE LINE EXTENDED FROM THE MOUTH OF THE MISSISSIPPI
RIVER NORTHEAST TO CLARKE COUNTY OF ALABAMA. THE SECOND LINE MERGES WITH
THE FIRST FROM CLARKE COUNTY SOUTHWEST TOWARDS NEW ORLEANS. THESE LINES
WERE MOVING EAST TOWARDS THE WEST FLORIDA PANHANDLE.

STRONG GUSTY WINDS ARE ALREADY OCCURRING ACROSS NORTHWEST FLORIDA. THE
PASSAG0E OF THESE STORMS WILL CAUSE WINDS TO INCREASE PROBABLY CAUSING
PROBLEMS AS THEY MOVE ACROSS THE FLORIDA PANHANDLE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 27, 7:29 PM CST	Severe Thunderstorm Warning	MOB	Perry, Stone	61 min
Jan 27, 7:29 PM CST	Severe Thunderstorm Warning	MOB	Pearl River	61 min
Jan 27, 7:46 PM CST	Severe Thunderstorm Warning	MOB	Greene	44 min
Jan 27, 8:47 PM CST	Severe Thunderstorm Warning	MOB	George	43 min
Jan 27, 9:16 PM CST	Severe Thunderstorm Warning	MOB	Jackson	59 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.