Alert archive / Alabama / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 10, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 29, 1991, 9:00 AM CST for Lee County, Macon County, Alabama. It was in force for 45 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
- Mar 29, 1991, 9:00 AM CST (15:00 UTC)
- Expired
- Mar 29, 1991, 9:45 AM CST
- In force
- 45 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Lee County, AL, Macon County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 29, 9:15 AM CST | Thunderstorm Wind 0 | Macon, AL | |
| Mar 29, 9:20 AM CST | Thunderstorm Wind 0 | Lee, AL | |
| Mar 29, 9:25 AM CST | Thunderstorm Wind 0 | Macon, 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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 3.0 hours before the alert went out and 163 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 567 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 267 m²/s²
- 0-3 km storm-relative helicity
- 528 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
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, Mar 29, 3:22 AM CST, 5 hours 38 minutes before
MSZ014-291100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 315 AM CST FRI MAR 29 1991 ...TORNADO WATCH NUMBER 83 IN EFFECT UNTIL 400 AM CST FOR PERSONS IN GREENE...PEARL RIVER...AND PERRY COUNTIES IN SOUTHEAST MISSISSIPPI... NO SEVERE WEATHER HAS OCCURRED IN SOUTHEAST MISSISSIPPI. AT 300 AM MOBILE RADAR INDICATED SCATTERED SHOWERS IN SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THE HEAVIEST SHOWER WAS LOCATED OVER THE NORTHEAST CORNER OF GREENE COUNTY MISSISSIPPI. THE SHOWERS WERE INCREASING IN COVERAGE AND STRENGTH WHILE MOVING TO THE NORTHEAST AT 40 MPH. OTHER NATIONAL WEATHER SERVICE RADARS INDICATED VERY STRONG THUNDERSTORMS EXTENDED FROM NEAR TUSCALOOSA ALABAMA TO NEAR LAKE CHARLES LOUISIANA.
Special weather statement, Mar 29, 3:59 AM CST, 5 hours 1 minute before
MSZ014-013-291200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 357 AM CST FRI MAR 29 1991 ...TORNADO WATCH NUMBER 85 IN EFFECT UNTIL 900AM CST FOR ALL COUNTIES IN SOUTHEAST MISSISSIPPI AND THE ADJACENT COASTAL WATERS... NO SEVERE WEATHER HAS OCCURED IN SOUTHEAST MISSISSIPPI. AT 345 AM MOBILE RADAR INDICATED SCATTERED SHOWERS OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THE STRONGEST SHOWERS WERE LOCATED OVER GREENE COUNTY MISSISSIPPI. THE SHOWERS WERE INCREASING IN BOTH STRENGTH AND COVERAGE WHILE MOVING TO THE NORTHEAST AT 40 MPH. OTHER NATIONAL WEATHER SERVICE RADARS INDICATED VERY STRONG THUNDERSTORMS EXTENDING FROM NEAR TUSCALOOSA ALABAMA TO NEAR LAKE. CHARLES LOUISIANA
Special weather statement, Mar 29, 5:59 AM CST, 3 hours 1 minute before
ALZ013-016-MSZ014-013-291400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 557 AM CST FRI MAR 29 1991 ...TORNADO WATCH NUMBER 85 REMAINS IN EFFECT UTIL 9 AM CST FOR ALL COUNTIES IN SOUTHEAST MISSISSIPPI AND THE ADJACENT COASTAL WATERS... NO SEVERE WEATHER HAS OCCURED IN SOUTHEAST MISSISSIPPI. AT 6 AM CST MOBILE RADAR INDICATED WIDELY SCATTERED THUNDERSTORMS OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THE STORMS WERE MOVING TOWARD THE NORTHEAST AT 40 MPH. OTHER NATIONAL WEATHER SERVICE RADARS INDICATED A LINE OF VERY STRONG THUNDERSTORMS EXTENDING FROM NEAR BIRMINGHAM ALABAMA TO NEAR BATON ROUGE LOUISIANA. THESE STORMS WILL MOVE INTO SOUTHEAST MISSISSIPPI LATER THIS MORNING.
Special weather statement, Mar 29, 8:11 AM CST, 49 minutes before
ALZ013-015-016-MSZ014-013-291615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 808 AM CST FRI MAR 29 1991 ...TORNADO WATCH NUMBER 85 REMAINS IN EFFECT UNTIL 9 AM CST FOR ALL SOUTHEAST MISSISSIPPI COUNTIES... ...TORNADO WATCH NUMBER 87 REMAINS IN EFFECT UNTIL 1 PM CST FOR ALL SOUTHWEST ALABAMA COUNTIES... AT 800 AM CST MOBILE RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS FROM NEAR THOMASVILLE ALABAMA TO NEAR PICAYUNE MISSISSIPPI. THE STORMS HAVE BEEN INCREASING IN STRENGTH AND BECOMING BETTER ORGANIZED. THE STORMS WERE MOVING TO THE NORTHEAST AT 45 MPH. RESIDENTS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNING.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 5:09 AM CST | Severe Thunderstorm Warning | MOB | Clarke | 36 min |
| Mar 29, 7:09 AM CST | Severe Thunderstorm Warning | MOB | Dallas | 51 min |
| Mar 29, 7:09 AM CST | Severe Thunderstorm Warning | MOB | Elmore | 51 min |
| Mar 29, 11:26 AM CST | Severe Thunderstorm Warning | MOB | Crenshaw | 34 min |
| Mar 29, 11:49 AM CST | Tornado Warning | MOB | Bullock, Montgomery | 26 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.