Alert archive / Alabama / Tornado Warnings in 1991
Tornado Warning 10, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Apr 27, 1991, 4:48 PM CDT for Bibb County, Alabama. It was in force for 27 min. 1 report 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 27, 1991, 4:48 PM CDT (21:48 UTC)
- Expired
- Apr 27, 1991, 5:15 PM CDT
- In force
- 27 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Bibb County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 27, 5:00 PM CDT | Thunderstorm Wind 0 | Bibb, 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, 9.8 hours before the alert went out and 13 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
- 11 J/kg
- Mixed-layer CIN
- -178 J/kg
- Mixed-layer LCL
- 596 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 246 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBHM 272149 TORBHM ALC007-272215- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 448 PM CDT SAT APR 27 1991 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH ALABAMA ...EASTERN BIBB COUNTY AT 445 PM WEATHER RADAR INDICATED A POSSIBLE TORNADO ABOUT 5 MILES EAST-NORTHEAST OF CENTREVILLE. THE TORNADO WAS MOVING EAST AT 40 MPH. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
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, Apr 27, 10:52 AM CDT, 5 hours 56 minutes before
ALZ010-011-012-014-017-018-271545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 1046 AM CDT SAT APR 27 1991 ...THE SEVERE THUNDERSTORM WATCH FOR EASTERN ALABAMA IS NO LONGER IN EFFECT.... AT 940 AM RADAT SHOWED RAIN AND A FEW THUNDERSHOWERS LINGERING OVER NORTHEAST AND EASTERN ALABAMA...BUT THE STRONG THUNDERSTORMS OF THE PAST FEW HOURS HAD EITHER ENDED OR MOVED OUT OF THE STATE. THE THREAT OF SEVERE THUNDERSTORMS IS OkVER...AT LEAST FOR THE PRESENT TIME...AND THIS WILL BE THE LAST STATEMENT ON THIS ACTIVITY UNLESS MORE STORMS DEVELOP. DEVAUGHN
Special weather statement, Apr 27, 12:40 PM CDT, 4 hours 8 minutes before
ALZ004-009-11-271850- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1238 PM CDT SAT APR 27 1991 ...LINE OF SHOWERS AND THUNDERSTORMS MOVING INTO WEST CENTRAL ALABAMA... AT 1235 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS EXTENDING FROM NEAR MUSCLE SHOALS TO NEAR MILLPORT IN LAMAR COUNTY AND BACK INTO EAST CENTRAL MISSISSIPPI. THE STRONGEST STORMS AT THIS TIME WERE IN EAST CENTRAL MISSISSIPPI AND SHOULD MOVE INTO PICKENS AND LAMAR COUNIES WITHIN THE NEXT HALF HOUR. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAIN...GUSTY WINDS...DANGEROUS LIGHTNING AND POSSIBLY SOME HAIL. MOVEMENT WAS TO THE EAST AT ABOUT 40 MPH. IF YOU ARE IN CENTRAL ALABAMA YOU ARE URGED TO STAY ON TOP OF THIS WEATHER SITUATION BY TUNING IN NOAA WEATHER RADIO OR THE LOCAL NEWS MEDIA FOR LATER UPDATES.
Special weather statement, Apr 27, 1:29 PM CDT, 3 hours 19 minutes before
ALZ004-009-11-271950- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 130 PM CDT SAT APR 27 1991 ...STRONG THUNDERSTORMS MOVING THROUGH WEST CENTRAL ALABAMA... AT 125 PM...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS MOVING THROUGH FAYETTE...LAMAR...AND WALKER COUNTIES. THESE THUNDERSTORMS WERE PART OF A LINE OF SHOWERS AND THUNDERSTORMS WHICH EXTENDED FROM NEAR MUSCLE SHOALS TO JASPER IN WALKER COUNTY TO NEAR REFORM IN PICKENS COUNTY AND BACK INTO EAST CENTRAL MISSISSIPPI. THE STRONGEST STORM AT THIS TIME WAS IN WESTERN WALKER COUNTY NEAR JASPER. MOVEMENT OF THESE STORMS WAS TO THE EAST AT ABOUT 35 MPH. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAINl.. FREQUENT LIGHTNING...GUSTY WINDS...AND POSSIBLY SOME HAIL. IF YOU ARE IN CENTRAL ALABAMA YOU ARE URGED TO STAY ON TOP OF THIS WEATHER SITUATION BY TUNING IN NOAA WEATHER RADIO OF THE LOCAL NEWS MEDIA FOR LATER UPDATES.
Special weather statement, Apr 27, 2:25 PM CDT, 2 hours 23 minutes before
ALZ004>009-11-272050- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 225 PM CDT SAT APR 27 1991 ...STRONG THUNDERSTORMS MOVING THROUGH WEST CENTRAL ALABAMA... AT 220 PM...NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS MOVING THROUGH WALKER...PICKENS...WINSTON AND NORTHERN TUSCLOOSA COUNTIES. THESE THUNDERSTORMS WERE PART OF A LINE OF SHOWERS AND THUNDERSTORMS WHICH EXTENDED FROM NEAR HUNTSVILLE TO CULLMAN TO ALICEVILLE IN PICKENS COUNTY AND BACK INTO EAST CENTRAL MISSISSIPPI. THE STRONGEST STORM AT THIS TIME WAS NEAR ALICEVILLE IN PICKENS COUNTY. MOVEMENT OF THESE STORMS WAS TO THE EAST AT ABOUT 35 MPH. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAIN...FREQUENT LIGHTNING...GUSTY WINDS...AND POSSIBLY SOME HAIL. IF YOU ARE IN CENTRAL ALABAMA YOU ARE URGED TO STAY ON TOP OF THIS WEATHER SITUATION BY TUNING IN NOAA WEATHER RADIO OR THE LOCAL NEWS MEDIA FOR LATER UPDATES.
Local storm report, Apr 27, 4:14 PM CDT, 34 minutes before
STORM REPORT NATIONAL WEATHER SERVICE BIRMINGHAM AL 415 PM CDT SUN APR 14 1991 ...ALL IN LOCUST FORK AREA IN SOUTHERN BLOUNT COUNTY APPROXIMATELY 330 PM... ...ONE MOBILE HOME OVERTURNED RESULTING IN ONE PERSON INJURED... ...ONE MOBILE HOME WITH ROOF REMOVED... ...NUMEROUS TREES DOWN... ...AT LEAST 10 MOBILE HOMES WITH TREES BLOWN DOWN ON THEM... REPORTED BY AMATEUR RADIO ....SEVERE THUNDERSTORM WARNING IN EFFECT. ...64 MILE AN HOUR WIND RGUST AND 40 MILE AN HOUR WIND SUSTAINED AT GADSDEN AIRPORT /ETOWAH COUNTY/... ...NO WARNING IN EFFECT. REPORTED BY ETOWAH COUNTY EMA DIRECTOR
Special weather statement, Apr 27, 4:34 PM CDT, 14 minutes before
ALZ010-011-012-014-017-018-272330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 430 PM CDT SAT APR 27 1991 ...A SEVERE THUNDERSTORM WATCH FOR CENTRAL AND EAST ALABAMA IS IN EFFECT UNTIL 9 PM CDT THIS EVENING.... AT 420 PM CDT WEATHER RADAR SHOWED A BAND OF THUNDERSTORMS MOVING EAST THROUGH NORTH CENTRAL ALABAMA FROM LINEVILLE IN CLAY COUNTY TO THE MISSISSIPPI STATE LINE NEAR MERIDAN MISSISSIPPI. THE STRONGEST THUNDER STORMS TO CENTRAL ALABAMA WERE OVER CHILTON AND MARENGO COUNTIES. THE THUNDERSTORM MOVEMENT WAS TO THE EAST AT 30 TO 40 MPH. PERSONS OF CENTRAL AND SOUTH ALABAMA SHOULD REMAIN ALERT FOR MORE THUNDERSTORM DEVELOPMENT AND BE THINKING OF SAFE HAVENS SHOULD LOCAL CONDITIONS CHANGE.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 2:44 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 31 min |
| Apr 27, 3:01 PM CDT | Severe Thunderstorm Warning | BMX | Tuscaloosa | 44 min |
| Apr 27, 3:08 PM CDT | Tornado Warning | BMX | Cullman | 37 min |
| Apr 27, 3:13 PM CDT | Severe Thunderstorm Warning | BMX | Blount, Jefferson | 47 min |
| Apr 27, 3:18 PM CDT | Tornado Warning | BMX | Marshall | 57 min |
| Apr 27, 3:20 PM CDT | Tornado Warning | BMX | Blount | 40 min |
| Apr 27, 3:34 PM CDT | Severe Thunderstorm Warning | BMX | Etowah, St. Clair | 26 min |
| Apr 27, 4:08 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Etowah | 52 min |
| Apr 27, 4:12 PM CDT | Severe Thunderstorm Warning | BMX | Marengo | 48 min |
| Apr 27, 4:14 PM CDT | Severe Thunderstorm Warning | BMX | DeKalb | 61 min |
| Apr 27, 4:20 PM CDT | Severe Thunderstorm Warning | BMX | Cleburne | 40 min |
| Apr 27, 4:28 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 47 min |
| Apr 27, 4:42 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Chilton | 48 min |
| Apr 27, 4:58 PM CDT | Severe Thunderstorm Warning | BMX | Marengo | 32 min |
| Apr 27, 5:18 PM CDT | Tornado Warning | BMX | Chilton | 27 min |
| Apr 27, 5:43 PM CDT | Tornado Warning | BMX | Chilton | 32 min |
| Apr 27, 6:15 PM CDT | Severe Thunderstorm Warning | BMX | Chilton | 60 min |
| Apr 27, 6:45 PM CDT | Tornado Warning | BMX | Chilton | 45 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.