Alert archive / Alabama / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 19, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 9, 1991, 10:11 PM CDT for Montgomery County, Alabama. It was in force for 49 min. 2 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 9, 1991, 10:11 PM CDT (03:11 UTC)
- Expired
- Apr 9, 1991, 11:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Montgomery County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 9, 10:40 PM CDT | Thunderstorm Wind 0 | Montgomery, AL | |
| Apr 9, 10:40 PM CDT | Thunderstorm Wind 0 | Montgomery, 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 00:00Z, 3.2 hours before the alert went out and 120 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
- 33 J/kg
- Mixed-layer CIN
- -129 J/kg
- Mixed-layer LCL
- 1455 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 9, 6:06 PM CDT, 4 hours 5 minutes before
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</html>Special weather statement, Apr 9, 7:15 PM CDT, 2 hours 56 minutes before
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</html>Special weather statement, Apr 9, 8:16 PM CDT, 1 hour 55 minutes before
ALZ013-015-016-MSZ014-013-100245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 815 PM CDT TUE APR 9 1991 ...SEVERE THUNDERSTORM WATCH NUMBER 111 CONTINUES UNTIL 11 PM CDT FOR SOUTHWEST ALABAMA. AT 810 PM CDT RADAR SHOWED A LINE OF VERY STRONG THUNDERSTORMS FROM NORTHWEST OF MONTGOMERY TO NEAR MCCOMB MISSISSIPPI. MOVEMENT WAS EAST AT 25 MPH. OTHER SHOWERS AND THUNDERSTORMS WERE NEAR TROY AND NEAR NEW ORLEANS. A PATCHES OF LIG>HT RAIN WAS NOTED IN THE MOBILE AREA. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR THE POSSIBILITY OF SEVERE WEATHER IN OR NEAR THE WATCH AREA. STAY TUNED TO THIS STATION FOR THE LATEST IN WEATHER INFORMATION.
Special weather statement, Apr 9, 10:05 PM CDT, 6 minutes before
ALZ013-015-016-100415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1000 PM CDT TUE APR 9 1991 ...SEVERE THUNDERSTORM WATCH NUMBER 111 CONTINUES UNTIL 11 PM CDT FOR SOUTHWEST ALABAMA. AT 10 PM CDT RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS FROM MONTGOMERY TO LAUREL MISSISSIPPI. STRONGEST STORMS WERE NEAR LAUREL MISSISSIPPI AND THOMASVILLE. MOVEMENT CONTINUES EAST AT 20 MPH. A BAND OF SHOWERS WAS IN THE GULF FROM JUST SOUTHWEST OF DAUPHIN ISLAND SOUTHWEST INTO THE GULF. MOVEMENT WAS EAST AT 20 MPH. NO SEVERE WEATHER HAS BEEN REPORTED TO THIS OFFICE TONIGHT...BUT A SEVERE THUNDERSTORM WATCH MEANS SEVERE WEATHER IS A POSSIBILITY IN OR NEAR THE WATCH AREA.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 7:01 PM CDT | Severe Thunderstorm Warning | MOB | Bullock, Macon | 59 min |
| Apr 9, 7:09 PM CDT | Severe Thunderstorm Warning | MOB | Chambers, Lee | 66 min |
| Apr 9, 10:51 PM CDT | Severe Thunderstorm Warning | MOB | Greene | 44 min |
| Apr 10, 2:14 AM CDT | Severe Thunderstorm Warning | MOB | Harrison | 61 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.