Alert archive / Alabama / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 43, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 29, 1991, 2:35 PM CDT for Baldwin County, Mobile County, Alabama. It was in force for 55 min. 3 reports 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 29, 1991, 2:35 PM CDT (19:35 UTC)
- Expired
- Apr 29, 1991, 3:30 PM CDT
- In force
- 55 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Baldwin County, AL, Mobile County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 29, 3:02 PM CDT | Tornado F0 | Baldwin, AL | |
| Apr 29, 3:06 PM CDT | Tornado F0 | Baldwin, AL | |
| Apr 29, 3:22 PM CDT | Thunderstorm Wind 0 | Baldwin, 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.6 hours before the alert went out and 172 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
- 2664 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 12.9
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
Special weather statement, Apr 29, 10:10 AM CDT, 4 hours 25 minutes before
ALZ013-015-016-MSZ014-013-291615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1010 AM CDT MON APR 29 1991 ...A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA UNTIL 100 PM... ALL COUNTIES IN SOUTHEAST MISSISSIPPI AND IN SOUTHWEST ALABAMA ARE UNDER A TORNADO WATCH UNTIL EARLY AFTERNOON. WEATHER SERVICE RADARS INDICATED AT 1000 AM AN AREA OF THUNDERSTORMS WITH THE LEADING EDGE ALONG A THOMASVILLE TO MILLRY ALABAMA LINE SOUTHWEST TO NEAR RICHTON AND POPLARVILLE MISSISSIPPI. THE AREA WAS MOVING TOWARD THE EAST AT 10 MPH WHILE THE INDIVIDUAL THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MPH. STRONG THUNDERSTORMS WERE INDICATED JUST WEST OF LAKE PONCHARTRAIN IN LOUISIANA. THE ATMOSPHERE REMAINS MOIST AND UNSTABLE THIS MORNING AND WILL BECOME MORE SO BY AFTERNOON. RESIDENTS IN SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHAER TODAY AND BE READY TO TAKE QUICK ACTION IF SEVERE WEATHER IS OBSERVED OR A WARNING IS ISSUED.
Local storm report, Apr 29, 11:47 AM CDT, 2 hours 48 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
1147 AM CDT MON APR 29 1991
TIME EVENT
1135 AM CLARKE COUNTY EMA DIRECTOR REPORTED A TORNADO CROSSED
US HIGHWAY 84 6 MILES WEST OF GROVE HILL.Special weather statement, Apr 29, 1:30 PM CDT, 1 hour 5 minutes before
FLZ001>004-ALZ010>018-MSZ012>014-LAZ010-013-014-261700- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 135 PM CDT MON APR 29 1991 A TORNADO WATCH IS IN EFFECT UNTIL 800 PM CDT FOR ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...AND THE ADJOINING COASTAL WATERS OF THESE AREAS. AT 130 PM CDT...A LINE-LIKE BAN OF THUNDERSTORMS STRETCHED ACROSS SOUTHERN ALABAMA SOUTHWESTWARD ACROSS SOUTHEAST MISSISSIPPI AND THE MARSH AREAS OF THE MOUTH OF THE MISSISSIPI RIVER IN LOUISIANA. THE LARGEST STORMS WERE OVER HARRISON COUNTY MISSISSIPPI AND EXTENDED NORTHEASTWARD TO NORTHERN MOBILE AND BALDWIN COUNTIES OF ALABAMA. MOVEMENT OF THE THUNDERSTORMS WAS TO THE NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Apr 29, 1:34 PM CDT, 1 hour 1 minute before
FLZ001>004-ALZ010>018-MSZ012>014-LAZ010-013-014-261700- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 135 PM CDT MON APR 29 1991 A TORNADO WATCH IS IN EFFECT UNTIL 800 PM CDT FOR ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...AND THE ADJOINING COASTAL WATERS OF THESE AREAS. AT 130 PM CDT...A LINE-LIKE BAND OF THUNDERSTORMS STRETCHED ACROSS SOUTHERN ALABAMA SOUTHWESTWARD ACROSS SOUTHEAST MISSISSIPPI AND THE MARSH AREAS OF THE MOUTH OF THE MISSISSIPI RIVER IN LOUISIANA. THE LARGEST STORMS WERE OVER HARRISON COUNTY MISSISSIPPI AND EXTENDED NORTHEASTWARD TO NORTHERN MOBILE AND BALDWIN COUNTIES OF ALABAMA. MOVEMENT OF THE THUNDERSTORMS WAS TO THE NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Apr 29, 2:28 PM CDT, 7 minutes before
FLZ001>004-ALZ010>018-MSZ012>014-LAZ010-013-014-262100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 235 PM CDT MON APR 29 1991 A TORNADO WATCH IS IN EFFECT UNTIL 800 PM CDT FOR ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...AND THE ADJOINING COASTAL WATERS OF THESE AREAS. AT 230 PM CDT...A LINE-LIKE BAND OF THUNDERSTORMS STRETCHED ACROSS SOUTHERN ALABAMA SOUTHWESTWARD ACROSS SOUTHEAST MISSISSIPPI AND THE MARSH AREAS OF THE MOUTH OF THE MISSISSIPI RIVER IN LOUISIANA. THE LARGEST STORMS WERE OVER MOBILE COUNTY ALABAMA. A LARGE THUNDERSTORM WAS OVER NORTHERN ESCAMBIA COUNTY FLORIDA. MOVEMENT OF THE THUNDERSTORMS WAS TO THE NORTHEAST AT 35 MILES AN HOUR. g
Local storm report, Apr 29, 2:31 PM CDT, 4 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
230 PM CDT MON APR 29 1991
TIME EVENT
220 PM BAYOU LA BATRE PD REPORTED TREES DOWN IN THAT CITY.
...MOBILE COUNTY/kThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 11:13 AM CDT | Tornado Warning | MOB | Clarke | 32 min |
| Apr 29, 11:13 AM CDT | Tornado Warning | MOB | Lowndes | 62 min |
| Apr 29, 11:29 AM CDT | Severe Thunderstorm Warning | MOB | Autauga | 46 min |
| Apr 29, 11:51 AM CDT | Tornado Warning | MOB | Montgomery | 54 min |
| Apr 29, 12:49 PM CDT | Severe Thunderstorm Warning | MOB | Crenshaw | 56 min |
| Apr 29, 1:04 PM CDT | Severe Thunderstorm Warning | MOB | Butler | 56 min |
| Apr 29, 1:28 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 62 min |
| Apr 29, 1:28 PM CDT | Severe Thunderstorm Warning | MOB | Macon | 62 min |
| Apr 29, 3:19 PM CDT | Tornado Warning | MOB | Baldwin | 11 min |
| Apr 29, 1:20 PM CDT | Tornado Warning | MOB | Harrison, Jackson | 40 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.