Alert archive / Alabama / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 49, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 20, 1992, 4:52 PM CDT for Clay County, Randolph County, Alabama. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Apr 20, 1992, 4:52 PM CDT (21:52 UTC)
- Expired
- Apr 20, 1992, 6:00 PM CDT
- In force
- 68 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Clay County, AL, Randolph County, AL
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 12:00Z, 9.9 hours before the alert went out and 150 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
- -209 J/kg
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 259 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 202153 SVRBHM ALC027-111-202300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 452 PM CDT MON APR 20 1992 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH ALABAMA ...EASTERN CLAY COUNTY...RANDOLPH COUNTY AT 445 PM RADAR INDICATED A SEVERE THUNDERSTORM IN WESTERN RANDOLPH AND EASTERN CLAY COUNTIES. THIS STORM IS MOVING NORTHEAST 35 MPH. THE STORM WILL AFFECT THE TOWNS OF MOTLEY AND ROANOKE WITHIN THE NEXT HOUR. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOKWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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 20, 2:03 PM CDT, 2 hours 49 minutes before
ALZ001>018-202000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 200 PM CDT MON APR 20 1992 ...TORNADO WATCH CANCELLED FOR MUCH OF NORTH...WEST...AND CENTRAL ALABAMA... ...TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT FOR THE COUNTIES OF CHEROKEE...ETOWAH...SAINT CLAIR...CALHOUN...CLEBURNE... TALLADEGA...CLAY...RANDOLPH...COOSA...TALLAPOOSA...CHAMBERS...LEE... AUTAUGA...ELMORE...LOWNDES...MONTGOMERY...MACON...RUSSELL...AND BULLOCK COUNTIES. ...SEVERE THUNDERSTORM WATCH UNTIL 700 PM CDT FOR MUCH OF SOUTH ALABAMA INCLUDING THE FOLLOWING COUNTIES...BALDWIN...MOBILE...MONROE... CONECUH...ESCAMBIA...BUTLER...CRENSHAW...COVINGTON...PIKE...COFFEE ^ GENEVA...BARBOUR...DALE...HENRY...AND HOUSTON COUNTIES.
Local storm report, Apr 20, 4:02 PM CDT, 50 minutes before
STORM REPORT NATIONAL WEATHER SERVICE MONTGOMERY AL 4 PM CDT MON APR 20 1992 3 20PM CDT...LOWNDES COUNTY...HIGH WINDS AND HEAVY RAIN AT FT. DEPOSIT REPORT FROM HAM RADIO. 3 05PM CDT...BUTLER COUNTY...TREES DOWN WEST OF GREENVILLE 3 05PM CDT...BUTLER COUNTY...HIGHWAY 54 5 MILES WEST OF GREENVILLE... 2 HOUSES DAMAGED...REPORT FROM BUTLER COUNTY EOC. 3 29PM CDT...TREES DOWN 19 MILES SOUTH SOUTHWEST OF MONTGOMERY NEAR LOGAN...REPORT FROM DPS 3 50PM PCDT...WINDS ESTIMATED AT 50 MPH IN EAST MONTGOMERY ON ATLANTA HIGHWAY...REPORT FROM HAM RADIO 3 20 TO 3 50PM DOPPLER RADAR SHOWED POSSIBLE TORNADO IN SOUTHWEST MONTGOMEY COUNTY. PETTIT
Local storm report, Apr 20, 4:08 PM CDT, 44 minutes before
STORM REPORT NATIONAL WEATHER SERVICE MONTGOMERY AL 405PM CDT MON APR 20 1992 3 30PM CDT...TORNADO NEAR DAVENPORT...TREES SNAPPED OFF AT GROUND... POWER LINES DOWN...REPORT FROM HAM RADIO...LOCATION MONTGOMERY COUNTY. PETTIT
Special weather statement, Apr 20, 4:18 PM CDT, 34 minutes before
ALZ007-011-2022300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 420 PM CDT MON APR 20 1992 ...TORNADO WATCH HAS EXPIRED FOR THE FOLLOWING COUNTIES... CHEROKEE...ETOWAH...ST CLAIR...CALHOUN...CLEBURNE AND TALLEDEGA ...HOWEVER A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHEAST ALABAMA UNTIL 9 O'CLOCK THIS EVENING...CHAMBERS...CLAY...COOSA... RANDOLPH AND TALLAPOOSA. AT 420 PM WEATHER SERVICE RADAR SHOWED A LONG LINE OF STRONG THUNDER- STORMS WHICH EXTENDED FROM CENTRAL COOSA SOUTHWARD THROUGH ELMORE AND MONTGOMERY COUNTIES. THIS LINE OF THUNDERSTORMS WAS MOVING TO THE NORTHEAST AT 40 MILES AN HOUR. THESE THUNDERSTORMS WILL AFFECT THE COMMUNTIES OF ALEXANDER CITY...DADEVILLE...ASHLAND AND LINEVILLE BEFORE 5 O'CLOCK. RESIDENTS IN THESE COUNTIES CAN EXPECT VERY STRONG STRAIGHT LINE WINDS... TORRENTIAL RAIN AND POSSIBLY SOME HAIL. RESIDENTS SHOULD MOVE INSIDE TO A STRONG BUILDING SHOULD THRfEATENING WEATHER APPEAR. REMAIN ALERT FOR LATER STATEMENTS AND POSSIBLE WARNINGS THIS AFTERNOON AND EVENING.
Special weather statement, Apr 20, 4:20 PM CDT, 32 minutes before
ALZ007-011-2022300- SPECIAL WEATHER STATEMENT...CORRECTED SECOND HEADLINE... NATIONAL WEATHER SERVICE BIRMINGHAM AL 420 PM CDT MON APR 20 1992 ...TORNADO WATCH HAS EXPIRED FOR THE FOLLOWING COUNTIES... CHEROKEE...ETOWAH...ST CLAIR...CALHOUN...CLEBURNE AND TALLEDEGA ...HOWEVER A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHEAST ALABAMA UNTIL 9 O'CLOCK THIS EVENING FOR THE FOLLOWING COUNTIES... CHAMBERS...CLAY...COOSA...RANDOLPH AND TALLAPOOSA. AT 420 PM WEATHER SERVICE RADAR SHOWED A LONG LINE OF STRONG THUNDER- STORMS WHICH EXTENDED FROM CENTRAL COOSA SOUTHWARD THROUGH ELMORE AND MONTGOMERY COUNTIES. THIS LINE OF THUNDERSTORMS WAS MOVING TO THE NORTHEAST AT 40 MILES AN HOUR. THESE THUNDERSTORMS WILL AFFECT THE COMMUNTIES OF ALEXANDER CITY...DADEVILLE...ASHLAND AND LINEVILLE BEFORE 5 O'CLOCK. RESIDENTS IN THESE COUNTIES CAN EXPECT VERY STRONG STRAIGHT LINE WINDS... TORRENTIAL RAIN AND POSSIBLY SOME HAIL. k RESIDENTS SHOULD MOVE INSIDE TO A STRONG BUILDING SHOULD THREATENING WEATHER APPEAR. REMAIN ALERT FOR LATER STATEMENTS AND POSSIBLE WARNINGS THIS AFTERNOON AND EVENING.
Local storm report, Apr 20, 4:42 PM CDT, 10 minutes before
STORM REPORT NATIONAL WEATHER SERVICE MONTGOMERY AL 4 35PM CDT MON APR 20 1992 3 40PM CDT...TREES AND POWER LINES DOWN AT FLORALA...COVINGTON COUNTY REPORT FROM HAM RADIO OPERATOR. 4 34PM CDT...QUARTER SIZE HAIL AT JACKSON GAP IN TALLAPOOSA COUNTY REPORT FROM HAM OPERATOR 4 28PM CDT...TREES DOWN IN TALLASSEE IN ELMORE COUNTY 4 30PM C DT...TREES DOWN IN REELTOWN IN TALLAPOOSA COUNTY PETTIT
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 10:16 AM CDT | Severe Thunderstorm Warning | BMX | Greene | 44 min |
| Apr 20, 10:19 AM CDT | Severe Thunderstorm Warning | BMX | Pickens | 41 min |
| Apr 20, 10:23 AM CDT | Severe Thunderstorm Warning | BMX | Marengo | 67 min |
| Apr 20, 10:43 AM CDT | Severe Thunderstorm Warning | BMX | Hale, Tuscaloosa | 62 min |
| Apr 20, 11:12 AM CDT | Tornado Warning | BMX | Tuscaloosa | 48 min |
| Apr 20, 11:15 AM CDT | Severe Thunderstorm Warning | BMX | Fayette | 60 min |
| Apr 20, 11:29 AM CDT | Severe Thunderstorm Warning | BMX | Jefferson, Walker | 61 min |
| Apr 20, 11:47 AM CDT | Severe Thunderstorm Warning | BMX | Cullman | 58 min |
| Apr 20, 11:51 AM CDT | Severe Thunderstorm Warning | BMX | Winston | 54 min |
| Apr 20, 12:00 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 60 min |
| Apr 20, 12:11 PM CDT | Severe Thunderstorm Warning | BMX | Lawrence, Morgan | 64 min |
| Apr 20, 12:41 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 54 min |
| Apr 20, 2:43 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 32 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1992Every severe thunderstorm warning in 1992
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.