Alert archive / Alabama / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 7, NWS Mobile, AL

January 27, 1994Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 27, 1994, 8:12 PM CST for Mobile County, Alabama. It was in force for 63 min.

The area

The counties it named.

The facts

Issued: Jan 27, 1994, 8:12 PM CST (02:12 UTC)
Expired: Jan 27, 1994, 9:15 PM CST
In force: 63 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Mobile County, AL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 2.2 hours before the alert went out and 152 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 280213 RRA
SVRMOB
ALC097-129-280315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
812 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 SOUTHWEST ALABAMA
 
   ...MOBILE COUNTY...SOUTHERN WASHINGTON COUNTY
 
AT 812 PM CST MOBILE RADAR SHOWED A SEVERE THUNDERSTORM IN CENTRAL
MOBILE COUNTY. THE SEVERE STORM WAS MOVING NORTHEAST AT 20 MPH.
 
A LINE OF SEVERE THUNDERSTORMS WAS FROM NEAR CHATOM IN WASHINGTON COUNTY
INTO SOUTHERN GREENE COUNTY MISSISSIPPI. THIS LINE WAS MOVING EAST
SOUTHEAST AT 20 MPH.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE 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

Special weather statement, Jan 27, 2:42 PM CST, 5 hours 30 minutes before

MSZ075>082-272200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE, AL
242 PM CST THU JAN 27 1994

...TORNADO WATCH NUMBER 4 REMAINS IN EFFECT FOR PEARL RIVER COUNTY
   UNTIL 8 PM CST TONIGHT...

AT 240 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A LARGE AREA
OF RAIN SHOWERS OVER SOUTHEAST MISSISSIPPI...MOVING INTO SOUTHWEST
ALABAMA.  STRONG THUNDERSTORMS CONTINUE TO PUSH EASTWARD THROUGH
SOUTHERN LOUISIANA...MOST LIKELY MOVING INTO SOUTHEAST MISSISSIPPI
LATE THIS AFTERNOON OR TONIGHT.

PERSONS IN PEARL RIVER COUNTY AND ALL OF SOUTHEAST MISSISSIPPI
SHOULD KEEP ABREAST OF THE LATEST WEATHER DEVELOPMENTS...AND BE READY
FOR QUICK ACTION SHOULD A WARNING BE REQUIRED FOR THEIR AREA&.

REMEMBER...A TORNADO WATCH MEANS THAT THE WEATHER CONDITIONS ARE
FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTRORMS TO FORM IN AND CLOSE
TO THE WATCH AREA.

Special weather statement, Jan 27, 5:26 PM CST, 2 hours 46 minutes before

ALZ052-053-055-056-059-061-062-063-064-MSZ075-076-077-078-079-080-
081-082-280130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
526 PM CST THU JAN 27 1994

...A TORNADO WATCH IS IN EFFECT FOR PEARL-RIVER COUNTY IN SOUTHEAST
MISSISSIPPI UNTIL 800 PM...

...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST MISSISSIPPI EXCEPT THE
COASTAL COUNTIES...

AT 520 PM WEATHER SERVICE RADARS SHOWED A LARGE MASS OF RAIN WITH
EMBEDDED THUNDERSTORMS OVER MUCH OF SOUTHEAST MISSISSIPPI.  A LINE OF
STRONG THUNDERSTORMS WAS MOVING TOWARD THE EAST AT 15 MPH OVER THE
COASTAL COUNTIES.

STRONG GUSTY WINDS ARE OCCURRING EAST OF THE RAIN AREA.  A GUST TO 37
MPH OCCURRED AT THE MOBILE AIRPORT DURING THE PAST HALF HOUR.

THUNDERSTORMS MOVING ACROSS SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA
WILL PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING...POSSIBLY SOME
HAIL AND VERY HEAVY RAINFALL.  SOME LOCATIONS IN THE FLASH FLOOD WATCH
AREA MAY RECEIVE AS MUCH AS 5 INCHES OF RAINFALL OVERNIGHT WHILE OTHER
LOCATIONS MAY EXPECT AS MUCH AS 2 TO 4 INCHES.

PERSONS IN THE SOUTHERN PORTIONS OF MISSISSIPPI AND ALABAMA SHOULD BE
AWARE OF WEATHER EVENTS THIS EVENING.

MOTORISTS ARE URGED TO USE EXTREME CAUTION IN LOCATIONS WHERE HEAVY RAIN
HAS OR IS FALLING.  DO NOT ATTEMP TO DRIVE THROUGH RUNNING WATER OVER
THE ROADWAY.

Special weather statement, Jan 27, 7:30 PM CST, 42 minutes before

FLZ001>010-012-280230-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENSACOLA FL
730 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 730 PM CST...RADAR WAS DETECTING A LINE OF HEAVY SHOWERS AND
THUNDERSTORMS DEVELOPING FROM GREENE COUNTY OF SOUTHEAST MISSISSIPPI
SOUTH ACROSS THE PASCAGOULA AREA AND ON DOWN TO THE MOUTH OF THE
MISSISSIPPI RIVER.

SCATTERED THUNDERSTORMS AND LARGE RAIN AREAS COVERED THE REMAINDER OF
SOUTHEAST MISSISSIPPI AND PORTIONS OF SOUTHWEST ALABAMA.

THUNDERSTORMS WERE MOVING RAPIDLY TOWARDS THE NORTHEAST WHILE THE LARGE
WEATHER SYSTEM PROGRESSES TOWARDS THE EAST.

Local storm report, Jan 27, 8:00 PM CST, 12 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, 8:00 PM CST, 12 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, 1 minute 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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 27, 7:07 PM CST	Severe Thunderstorm Warning	MOB	Mobile	53 min
Jan 27, 8:12 PM CST	Severe Thunderstorm Warning	MOB	Washington	58 min
Jan 27, 8:27 PM CST	Severe Thunderstorm Warning	MOB	Wilcox	63 min
Jan 27, 8:47 PM CST	Severe Thunderstorm Warning	MOB	Dallas	58 min
Jan 27, 9:27 PM CST	Severe Thunderstorm Warning	MOB	Autauga	63 min
Jan 27, 9:39 PM CST	Severe Thunderstorm Warning	MOB	Mobile	66 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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.