Alert archive / Alabama / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 147, NWS Mobile, AL

May 11, 1995Geneva County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 11, 1995, 5:50 PM CDT for Geneva County, Alabama. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
May 11, 1995, 5:50 PM CDT (22:50 UTC)
Expired
May 11, 1995, 6:45 PM CDT
In force
55 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Geneva County, AL

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 10.8 hours before the alert went out and 93 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, Eglin AFB/Valpar, FL at 12:00Z on 1995-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2942 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, Eglin AFB/Valpar, FL at 12:00Z on 1995-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.19395878Sfc1 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
2942 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
539 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
1.7
Supercell composite
9.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 112248
SVRMGM
ALC061-112345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
ISSUED BY BIRMINGHAM AL
550 PM CDT THU MAY 11 1995
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST ALABAMA
 
   ...GENEVA COUNTY
 
AT 545 PM WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM NEAR BLACK.
MOVEMENT WAS TO THE EAST AT 25 MPH. HAIL...HIGH WINDS...AND VERY HEAVY
RAIN IS LIKELY.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...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

Special weather statement, May 11, 1:34 PM CDT, 4 hours 16 minutes before
FLZ007-008-009-010-012-506-111845-

SPECIAL WEATHER STATEMENT  AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
135 PM CDT THU MAY 11 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR BAY...WAHINGTON...HOLMES AND
WALTON COUNTIES UNTIL 4PM CDT...

AT 130 PM CDT...NATIONAL WEATHER SERVICE RADAR IN PENSACOLA INDICATED
THUNDERSTORMS OVER WESTERN CENTRAL BAY COUNTY. LIGHT TO MODERATE SHOWERS
WERE OVER THE GULF 20 MILES SOUTH OF PENSACOLA AND FORT WALTON BEACH.

MOVEMENT WAS TOWARDS THE EAST AT 30 MILES AN HOUR.

MOVEMENT WAS TOWARDS THE NORTHEAST AT 25 MILES AN HOUR.
Special weather statement, May 11, 2:28 PM CDT, 3 hours 22 minutes before
FLZ007-008-009-010-012-506-112045-

SPECIAL WEATHER STATEMENT  AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
235 PM CDT THU MAY 11 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR BAY...WAHINGTON...HOLMES AND
WALTON COUNTIES UNTIL 4PM CDT...

AT 230 PM CDT...NATIONAL WEATHER SERVICE RADAR IN PENSACOLA INDICATED
SHOWERS AND THUNDERSHOWERS OVER BAY AND HOLMES COUNTIES. LIGHT SHOWERS
WERE OVER THE GULF SOUTH OF FORT WALTON BEACH AND DESTIN.

MOVEMENT WAS TOWARDS THE EAST AT 30 MILES AN HOUR.
Special weather statement, May 11, 3:29 PM CDT, 2 hours 21 minutes before
FLZ007-008-009-010-012-506-112145-

SPECIAL WEATHER STATEMENT  AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
335 PM CDT THU MAY 11 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR BAY...WAHINGTON...HOLMES AND
WALTON COUNTIES UNTIL 4PM CDT...

AT 330 PM CDT...NATIONAL WEATHER SERVICE RADAR IN PENSACOLA INDICATED
A STRONG THUNDERSTORM OVER NORTHEASTERN HOLMES COUNTY MOVINT NORTHEAST
AT 30 MILES AN HOUR. PERSONS IN THIS AREA CAN EXPECT HEAVY RAIN AND
GUSTY WIND FRON THE STORM. ELSEWHERE LIGHT SHOWERS WERE JUST OFFSHORE
SOUTH OF PANAMA CITY WHILE THUNDERSTORMS WERE DEVELOPING OFF THE
SOUTHEAST LOUISIANA COAST.

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 11:50 PM CDTFlash Flood WarningMOBBaldwin, Mobile3 hr
May 11, 5:22 PM CDTSevere Thunderstorm WarningMOBCovington68 min
May 11, 6:21 PM CDTSevere Thunderstorm WarningMOBCoffee69 min
May 11, 6:30 PM CDTSevere Thunderstorm WarningMOBCovington60 min
May 11, 6:43 PM CDTSevere Thunderstorm WarningMOBDale, Houston62 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1995Every severe thunderstorm warning in 1995

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.