Alert archive / Alabama / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 2, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jan 30, 1991, 8:42 AM CST for Dale County, Alabama. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Jan 30, 1991, 8:42 AM CST (14:42 UTC)
- Expired
- Jan 30, 1991, 9:45 AM CST
- In force
- 63 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Dale County, AL
The nearest sounding before it
Apalachicola Mun, FL (KAQQ), launched 12:00Z, 2.7 hours before the alert went out and 198 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
- 541 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 569 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 260 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMGM 301443 SVRMGM ALC045-301545- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MONTGOMERY AL 842 AM CST WED JAN 30 1991 THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH ALABAMA ...DALE COUNTY AT 0840 AM CST RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTHEAST OF ENTERPRISE MOVING NORTHEAST AT AROUND 40 MPH. THIS STORM WILL BE NEAR OZARK WITHIN THE NEXT 30 MINUTES. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMEHRGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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 30, 5:24 AM CST, 3 hours 18 minutes before
ALZ013-015-016-MSZ014-013-301330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 522 AM CST WED JAN 30 1991 ...FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI FOR TODAY... ...TORNADO WATCH NUMBER 6 IS IN EFFECT UNTIL 7 AM CST FOR ALL SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI COUNTIES... MOBILE RADAR AT 515 AM CST SHOWED A LARGE AREA OF LIGHT TO MODERATE SHOWERS OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA WITH EMBEDDED SCATTERED STRONG THUNDERSTORMS. THE STRONGEST STORMS WERE FROM NEAR WIGGINS OF STONE COUNTY MISSISSIPPI TO SOUTHEAST CORNER OF WASHINGTON COUNTY OF ALABAMA. THE STORMS WERE MOVING NORTHEAST AT 40 MPH. RESIDENTS SHOULD REMAIN ON THE ALERT FOR CHANGING WEATHER AND BE PREPARE TO TAKE NECESSARY ACTION FOR SAFETY. MOTORISTS SHOULD ALSO DRIVE WITH CAUTION WHILE DRIVING ON ROADS IN LOW LYING AREAS DUE TO THE FLOODING OF THE ROADWAYS.
Special weather statement, Jan 30, 5:30 AM CST, 3 hours 12 minutes before
FLZ001>004-301230- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 530 AM CST WED JAN 30 1991 ...A TORNADO WATCH IS IN EFFECT FOR ALL OF NORTHWEST FLORIDA UNTIL 700 AM CST... ...A FLASH FLOOD WATCH IN EFFECT TODAY FOR ALL OF NORTHWEST FLORIDA... AT 530 AM CST...CLUSTERS OF THUNDERSTORMS WITH HEAVY RAIN WERE IN SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI NORTHEAST OF MOBILE AND NORTH OF GULFPORT. SCATTERED SHOWERS AND A FEW THUNDERSTORMS WERE IN THE FLORIDA PANHANDLE AND IN THE COASTAL WATERS SOUTH AND SOUTHWEST OF PENSACOLA. MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR.
Local storm report, Jan 30, 6:29 AM CST, 2 hours 13 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
625 AM CST WED JAN 30 1991
TIME EVENT
0409 AM CST INCH SIZE HAIL REPORTED BY PUBLIC IN NORTH BILOXI.
0415 AM CST DIME SIZE HAIL AND ESTIMATED WIND GUST AROUND 50 MPH
REPORTED BY JACKSON COUNTY SHERIFF OFFICE 3 MILES TO
10 MILES NORTH OF OCEAN SPRINGS... NO DAMAGE REPORTS.
cSpecial weather statement, Jan 30, 6:30 AM CST, 2 hours 12 minutes before
FLZ001>004-301330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 630 AM CST WED JAN 30 1991 ...A TORNADO WATCH IS IN EFFECT FOR ALL OF NORTHWEST FLORIDA UNTIL 700 AM CST... ...A FLASH FLOOD WATCH IN EFFECT TODAY FOR ALL OF NORTHWEST FLORIDA... AT 630 AM CST...CLUSTERS OF THUNDERSTORMS WITH HEAVY RAIN WERE IN SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI WITH THE HEAVIER RAIN NEAR BILOXI. SCATTERED SHOWERS AND bA FEW THUNDERSTORMS WERE IN THE FLORIDA PANHANDLE AND IN THE COASTAL WATERS SOUTH AND SOUTHWEST OF PENSACOLA. MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Jan 30, 7:10 AM CST, 1 hour 32 minutes before
ALZ013-015-016-MSZ014-013-301430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 710 AM CST WED JAN 30 1991 ...FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIP
Special weather statement, Jan 30, 7:31 AM CST, 1 hour 11 minutes before
FLZ001>004-301430- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 730 AM CST WED JAN 30 1991 ...A FLASH FLOOD WATCH IN EFFECT TODAY FOR ALL OF NORTHWEST FLORIDA... AT 730 AM CST...SHOWERS AND THUNDERSTORMS WERE OVER MUCH OF SOUTHWEST ALABAMA...SOUTHEAST MISSISSIPPI AND IN THE FLORIDA PANHANDLE FROM PENSACOLA TO CRESTVIEW EAST TO DE FUNIAK SPRINGS. THE HEAVIER RAIN WAS JUST NORTHEAST OF MILTON AND IN BALDWIN AND MOBILE COUNTIES IN ALABAMA. MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR.
Nearby
Severe Thunderstorm Warnings in Alabama, 1991Every 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; the sounding from the Mesonet's radiosonde archive.