Alert archive / Alabama / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 18, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Mar 27, 1991, 8:50 PM CST for Cullman County, Alabama. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Mar 27, 1991, 8:50 PM CST (02:50 UTC)
- Expired
- Mar 27, 1991, 9:15 PM CST
- In force
- 25 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Cullman County, AL
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 2.8 hours before the alert went out and 223 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1079 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- 114 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, Mar 27, 7:14 PM CST, 1 hour 36 minutes before
ALZ004>006-008-280230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 712 PM CST WED MAR 27 1991 ...SHOWERS AND THUNDERSTORMS MOVING INTO WEST ALABAMA... A 7:09 PM NATIONAL WEATHER SERVICE RADAR IN CENTREVILLE INDICATED A LINE OF THUNDERSTORMS WHICH EXTENDED FROM NEAR HUNTSVILLE TO NEAR HAMILTON IN MARION COUNTY AND BACK INTO EAST CENTRAL MISSISSIPPI. THE STRONGEST STORM AT THIS TIME WAS JUST WEST OF LAMAR COUNTY AND WILL MOVE INTO LAMAR...MARION...FAYETTE AND WINSTON COUNTIES BEFORE 8PM CST. THESE STORMS ARE CAPABALE OF PRODUCING STRONG GUSTY WINDS...HAIL... DEADLY LIGHTNING AND EXTREMELY HEAVY RAIN. THESE STORMS ARE MOVING TO THE NORTHEAST AT 50 MPH. CONTINUE TO MO6NITOR NOAA WEATHER RADIO OR COMMERCIAL RADIO OR TV FOR LATER STATEMENTS AND POSSIBLE WATCHES OR WARNINGS.
Special weather statement, Mar 27, 7:48 PM CST, 1 hour 2 minutes before
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</html>Special weather statement, Mar 27, 8:14 PM CST, 36 minutes before
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</html>The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 6:25 PM CST | Tornado Warning | BMX | Colbert, Lauderdale | 22 min |
| Mar 27, 6:47 PM CST | Severe Thunderstorm Warning | BMX | Franklin | 15 min |
| Mar 27, 6:47 PM CST | Severe Thunderstorm Warning | BMX | Colbert, Lauderdale, Limestone | 58 min |
| Mar 27, 7:02 PM CST | Severe Thunderstorm Warning | BMX | Lawrence | 58 min |
| Mar 27, 7:16 PM CST | Tornado Warning | BMX | Limestone | 19 min |
| Mar 27, 7:35 PM CST | Tornado Warning | BMX | Limestone | 20 min |
| Mar 27, 7:35 PM CST | Tornado Warning | BMX | Madison | 41 min |
| Mar 27, 8:16 PM CST | Severe Thunderstorm Warning | BMX | Jackson | 59 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; the sounding from the Mesonet's radiosonde archive.