Alert archive / Alabama / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 45, NWS Birmingham, AL

April 9, 1991Madison County, Marshall County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 9, 1991, 7:11 PM CDT for Madison County, Marshall County, Alabama. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 9, 1991, 7:11 PM CDT (00:11 UTC)
Expired: Apr 9, 1991, 8:00 PM CDT
In force: 49 min
Issued by: NWS Birmingham, AL
Area: Whole counties

Counties Madison County, AL, Marshall County, AL

What was reported inside it

Time	Report	Where	Remark
Apr 9, 7:18 PM CDT	Hail 1.75	Madison, AL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.2 hours before the alert went out and 175 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: 112 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 1015 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Apr 9, 4:02 PM CDT, 3 hours 9 minutes before

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Special weather statement, Apr 9, 4:32 PM CDT, 2 hours 39 minutes before

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Local storm report, Apr 9, 4:49 PM CDT, 2 hours 22 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
447 PM CDT TUE APR 9 1991

305 PM CDT...HALE COUNTY, AL...CITY OF MOUNDVILLE...MARBLE SIZED HAIL
             FELL.
410 PM CDT...MARION COUNTY, AL...MARBVLE SIZED HAIL FELL IN GUIN.

425 PM CDT...ETOWAH COUNTY, AL...GOLFBALL SIZED HAIL FELL EAST OF THE CITY
              OF GADSDEN.

440 PM CDT...CHILTON COUNTY, AL...DIME SIZED HAIL FELL NORTH OF THE
             COMMUNITY OF JEMISON.

Special weather statement, Apr 9, 4:59 PM CDT, 2 hours 12 minutes before

ALZ010-011-012-014-100000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
455 PM CDT TUE APR 9 1991

AT 445 PM RADAR SHOWED NUMEROUS THUNDERSTORMS OVER WEST AND CENTRAL
ALABAMA. ONE OF THE STRONGEST STORMS WAS JUST WEST OF THE MONTGOMERY
AIRPORT MOVING EAST AT AROUND 30 MPH. THIS STORM WILL BE MOVING OVER
THE CITY OF MONTGOMERY BETWEEN 5 AND 530 PM. OTHER STRONG
THUNDERSTORMS WERE IN A BAND FROM TALLEDEGA TO DEMOPOLIS...ALSO MOVjING
EAST. A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR DALLAS AND
WILCOX COUNTIES UNTIL 8PM. PLEASE REMAIN ALERT AND READY TO MOVE TO A
SAFE PLASE IF ONE OF THE STRONGER THUNDERSTORMS APPROACHES.

DEVAUGHN

Local storm report, Apr 9, 6:12 PM CDT, 59 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
610 PM CDT TUE APR 9 1991

515 PM...PICKENS COUNTY, AL.  MARBLE SIZED HAIL COVERED THE GROUND NEAR
         CARROLTON...REFORM AND COAL FIRE.

535 PM...iWALKER COUNTY, AL.  GOLF BALL SIZED HAIL COVERED THE GROUND IN
         CURRY (8 MILES SOUTH OF JASPER).

545 PM...TUSCALOOSA COUNTY, AL.  MARBLE SIZED HAIL FELL AT BROWNVILLE
          (15 MILES NORTHWEST OF TUSCALOOSA).

Local storm report, Apr 9, 6:43 PM CDT, 28 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MONTGOMERY AL
640 PM CDT TUE APR 09 1991

MONTGOMERY COUNTY...6 35PM CDT...GOLF BALL SIZE HAIL CHAMBERS...WOODLEY
ROAD IN SNOWDON. REPORT FROM MONTGOMERY DPS.
6 13PM CDT...MARBLE SIZE HAIL AT U.S 80 AND ALABAMA 21 WEST OF DANNELLY
FIELD. REPORT FROM SKYWARN.
6PM CDT...MARBLE SIZE HAIL AND HIGH WINDS ON PIKE ROAD IN SOUTH
MONTGOMERY. REPORT FROM SKYWARN.
LOWNDES COUNTY...6 27PM CDT...MARBLE SIZE HAIL AT LOWNDESBORO. REPORT
FROM SKYWARN.
PETTIT

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 7:21 PM CDT	Severe Thunderstorm Warning	BMX	St. Clair	54 min
Apr 9, 7:36 PM CDT	Severe Thunderstorm Warning	BMX	Talladega	39 min
Apr 9, 7:45 PM CDT	Severe Thunderstorm Warning	BMX	Jackson, Madison	60 min
Apr 9, 8:03 PM CDT	Severe Thunderstorm Warning	BMX	Pickens	42 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1991 Every severe thunderstorm warning in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.