Alert archive / Alabama / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 15, NWS Mobile, AL

January 27, 1994Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 27, 1994, 9:39 PM CST for Mobile County, Alabama. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jan 27, 1994, 9:39 PM CST (03:39 UTC)
Expired
Jan 27, 1994, 10:45 PM CST
In force
66 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, 3.7 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-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 1994-01-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1069 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 1994-01-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 387 square meters per square second.1939587897Sfc1 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
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 280339 RRA
SVRMOB
ALC097-280445-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
939 PM CST THU JAN 27 1994
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST ALABAMA
 
   ...MOBILE COUNTY
 
AT 938 PM CST MOBILE RADAR SHOWED A A LINE OF SEVERE THUNDERSTORMS FROM
NORTHEAST MOBILE COUNTY TO NEAR SEMMES SOUTHWEST TO OCEAN SPRINGS
MISSISSIPPI. THE LINE OF SEVERE THUNDERSTORMS 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.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

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, 8:11 PM CST, 1 hour 28 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, 1 hour 15 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, 57 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, 57 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, 55 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.
Special weather statement, Jan 27, 9:39 PM CST, 0 minutes before
FLZ001>010-012-280430-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENSACOLA FL
930 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 930 PM CST...RADAR WAS DETECTING TWO LINES OF STRONG SHOWERS AND
THUNDERSTORMS. ONE LINE EXTENDED FROM OFF THE MOUTH OF THE MISSISSIPPI
RIVER NORTHEAST TO BUTLER COUNTY OF ALABAMA. THE SECOND LINE MERGES WITH
THE FIRST FROM BUTLER COUNTY SOUTHWEST OVER BILOXI MISSISSIPPI. THESE
LINES WERE MOVING EAST INTO THE NORTH PORTION OF ESCAMBIA COUNTY OF
NORTHWEST FLORIDA. THEY WILL BE MOVING ACROSS NORTHWEST FLORIDA DURING
THE NIGHT.

STRONG GUSTY WINDS ARE ALREADY OCCURRING ACROSS NORTHWEST FLORIDA. THE
PASSAGE 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.

IssuedProductOfficeCountiesLasted
Jan 27, 7:07 PM CSTSevere Thunderstorm WarningMOBMobile53 min
Jan 27, 8:12 PM CSTSevere Thunderstorm WarningMOBMobile63 min
Jan 27, 8:12 PM CSTSevere Thunderstorm WarningMOBWashington58 min
Jan 27, 8:27 PM CSTSevere Thunderstorm WarningMOBWilcox63 min
Jan 27, 8:47 PM CSTSevere Thunderstorm WarningMOBDallas58 min
Jan 27, 9:27 PM CSTSevere Thunderstorm WarningMOBAutauga63 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1994Every 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.