Alert archive / Alabama / Tornado Warnings in 1991
Tornado Warning 4, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Mar 27, 1991, 7:35 PM CST for Limestone County, Alabama. It was in force for 20 min.
The area
The counties it named.
The facts
- Issued
- Mar 27, 1991, 7:35 PM CST (01:35 UTC)
- Expired
- Mar 27, 1991, 7:55 PM CST
- In force
- 20 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Limestone County, AL
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 1.6 hours before the alert went out and 151 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
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHSV 280136 TORHSV ALC083-089-280230- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 735 PM CST WED MAR 27 1991 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 830 PM CST IN NORTH ALABAMA ...LIMESTONE COUNTY...MADISON COUNTY AT 733 PM CST HUNTSVILLE RADAR SHOWED THUNDERSTORMS POSSIBLY CONTAINING TORNADOES IN LIMESTONE MOVING TOWARDS MADISON COUNTY ALABAMA. THIS WARNING REPLACES ALL OTHER WARNING ISSUED BY THE NATIONAL WEATHER SERVICE IN HUNTSVILLE. DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAV[E THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.
What forecasters said that day
The local office's own words before this tornado 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, 21 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.
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 | Madison | 41 min |
| Mar 27, 8:16 PM CST | Severe Thunderstorm Warning | BMX | Jackson | 59 min |
| Mar 27, 8:50 PM CST | Severe Thunderstorm Warning | BMX | Cullman | 25 min |
Nearby
Tornado Warnings in Alabama, 1991Every tornado warning in 1991Tornadoes 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.