Alert archive / Alabama / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 87, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 31, 1992, 4:41 PM CDT for Mobile County, Alabama. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1992, 4:41 PM CDT (21:41 UTC)
- Expired
- Jul 31, 1992, 5:45 PM CDT
- In force
- 64 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Mobile County, AL
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.7 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.
- Mixed-layer CAPE
- 3366 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 607 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 312142 SVRMOB ALC097-312245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 441 PM CDT FRI JUL 31 1992 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTHWEST ALABAMA ...SOUTHERN MOBILE COUNTY AT 440 PM WEATHER SERVICE RADAR SHOWED THE SEVERE THUNDERSTORM OVER CENTRAL JACKSON COUNTY TO BE MOVING TOWARDS SOUTHERN MOBILE COUNTY ALABAMA. PERSONS IN SOUTHERN MOBILE COUNTY...ESPECIALLY IN THE COMMUNITIES OF GRAND BAY...ST ELMO...AND BAYOU LA BATRE SHOULD BE PREPARED FOR THIS DANGEROUS STORM. 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, Jul 31, 4:09 PM CDT, 32 minutes before
ALZ013-015-016-MSZ014-013-312215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 409 PM CDT FRI JUL 31 1992 ...STRONG THUNDERSTORMS BECOMING NUMEROUS OVER SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI... AT 405 PM THE NATIONAL WEATHER SERVICE RADAR IN MOBILE SHOWED NUMEROUS STRONG THUNDERSTORMS OVER THE COASTAL SECTIONS OF ALABAMA AND MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE NOTED OVER THE SOUTHERN SECTIONS OF JACKSON COUNTY MISSISSIPPI AND NORTHERN BALDWIN AND EASTERN ESCAMBIA COUNTIES OF ALABAMA. MOVEMENT OF THESE THUNDERSTORMS WAS TO THE NORTHEAST AT 15 MILES AN HOUR. OTHER THUNDERSTORMS WERE SCATTERED OVER NORTHERN MOBILE...NORTHERN CLARKE COUNTY ALABAMA AND OVER SOUTHERN PEARL RIVER COUNTY MISSISSIPPI. THESE WERE ALSO MOVING TO THE EAST AT 15 MILES AN HOUR. THE STRONG THUNDERSTORMS CAN PRODUCE STRONG WIND GUSTS...HEAVY RAINFALL AND DEADLY LIGHTNING. FOR YOUR PROTECTION...YOU SHOULD MOVE INDOORS WHEN THUNDERSORMS THREATEN YOUR AREA. IF CAUGHT OUTDOORS...STAY AWAY FROM TALL TREES AND METAL STRUCTURES. TRY TO SEEK SHELTER IN A BUILDING OR CLOSED AUTOMOBILE.
Nearby
Severe Thunderstorm Warnings in Alabama, 1992Every severe thunderstorm warning in 1992
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.