Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 4, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Feb 9, 1990, 8:29 PM CST for Lauderdale County, Alabama. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Feb 9, 1990, 8:29 PM CST (02:29 UTC)
- Expired
- Feb 9, 1990, 9:30 PM CST
- In force
- 61 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Lauderdale County, AL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 2.5 hours before the alert went out and 167 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
- 110 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 589 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 153 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 100231
SVRHSV
ALC077-100330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
829 PM CST FRI FEB 9 1990
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTH ALABAMA
...LAUDERDALE
AT 827 RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM MOVING INTO
SOUTHERN LAUDERDALE COUNTY. THE THUNDERSTORM WAS MOVING NORTHEAST
AT NEAR 50 MPH AND WILL PASS NEAR OAKLAND AND CLOVERDALE DURING THE
NEXT HALF HOUR.
ONE HALF INCH HAIL WAS REPORTED NEAR BARTON IN COLBERT COUNTY DURING
THE PAST FEW MINUTES.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INToO AREAS WHERE WATER COVERS THE ROAD.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, Feb 9, 7:16 PM CST, 1 hour 13 minutes before
ALZ010-100300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 715 PM CST FRI FEB 9 1990 AT 710 PM CST WEATHER RADAR SHOWED A FAST MOVING THUNDERSTORM 20 MILES WEST SOUTHWEST OF MONTGOMERY MOVING NORTHEAST AT NEARLY 50 MPH. THIS THUNDERSTORM SHOULD STAY WEST OF MONTGOMERY BUT MOVE OVER PRATTVILLE BEFORE 8 PM AND NEAR WETUMPKA THIRTY MINUTES LATER. HEAVY RAIN...DANGEROUS LIGHTNING...STRONG GUSTY WINDS AND POSSIBLE HAIL MAY BE ASSOCIATED WITH THIS THUNDERSTORM.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 9, 8:45 PM CST | Tornado Warning | BMX | Lamar | 30 min |
| Feb 9, 8:56 PM CST | Tornado Warning | BMX | Fayette | 34 min |
| Feb 9, 9:23 PM CST | Tornado Warning | BMX | Lamar | 37 min |
| Feb 9, 9:30 PM CST | Tornado Warning | BMX | Fayette | 30 min |
| Feb 9, 9:43 PM CST | Tornado Warning | BMX | Walker | 47 min |
| Feb 9, 10:08 PM CST | Tornado Warning | BMX | Limestone | 27 min |
| Feb 9, 10:22 PM CST | Tornado Warning | BMX | Madison | 68 min |
| Feb 9, 10:53 PM CST | Tornado Warning | BMX | Jackson, Madison | 37 min |
| Feb 9, 11:02 PM CST | Tornado Warning | BMX | Walker | 28 min |
| Feb 9, 11:16 PM CST | Flash Flood Warning | BMX | Colbert, Lauderdale | 4 hr |
| Feb 9, 11:28 PM CST | Tornado Warning | BMX | Cullman, Winston | 47 min |
| Feb 9, 11:35 PM CST | Tornado Warning | BMX | Walker | 40 min |
| Feb 9, 11:35 PM CST | Tornado Warning | BMX | Lamar | 40 min |
| Feb 10, 12:53 AM CST | Tornado Warning | BMX | Walker | 22 min |
| Feb 10, 12:53 AM CST | Tornado Warning | BMX | Jefferson | 37 min |
| Feb 10, 1:06 AM CST | Severe Thunderstorm Warning | BMX | Pickens | 69 min |
| Feb 10, 1:22 AM CST | Severe Thunderstorm Warning | BMX | Greene | 68 min |
| Feb 10, 1:30 AM CST | Flash Flood Warning | BMX | Colbert, Franklin, Lawrence | 5 hr |
| Feb 10, 1:30 AM CST | Flash Flood Warning | BMX | Limestone, Madison, Marshall, Morgan | 5 hr |
| Feb 10, 1:30 AM CST | Flash Flood Warning | BMX | Lauderdale | 5 hr |
| Feb 10, 1:30 AM CST | Flash Flood Warning | BMX | DeKalb, Jackson | 5 hr |
| Feb 10, 1:33 AM CST | Severe Thunderstorm Warning | BMX | Tuscaloosa | 57 min |
| Feb 10, 1:53 AM CST | Severe Thunderstorm Warning | BMX | Hale | 67 min |
| Feb 10, 2:00 AM CST | Tornado Warning | BMX | Greene, Hale | 35 min |
| Feb 10, 2:06 AM CST | Severe Thunderstorm Warning | BMX | Marengo | 29 min |
| Feb 10, 2:19 AM CST | Severe Thunderstorm Warning | BMX | Jefferson | 56 min |
| Feb 10, 2:20 AM CST | Severe Thunderstorm Warning | BMX | Bibb | 55 min |
| Feb 10, 2:32 AM CST | Severe Thunderstorm Warning | BMX | Shelby | 58 min |
| Feb 10, 2:39 AM CST | Severe Thunderstorm Warning | BMX | Chilton | 51 min |
| Feb 10, 2:40 AM CST | Tornado Warning | BMX | Jefferson, Shelby | 30 min |
| Feb 10, 2:50 AM CST | Tornado Warning | BMX | St. Clair | 55 min |
| Feb 10, 2:54 AM CST | Tornado Warning | BMX | Talladega | 66 min |
| Feb 10, 3:11 AM CST | Tornado Warning | BMX | Clay | 64 min |
| Feb 10, 3:11 AM CST | Tornado Warning | BMX | Calhoun | 64 min |
| Feb 10, 3:33 AM CST | Severe Thunderstorm Warning | BMX | Cleburne, Randolph | 37 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1990Every severe thunderstorm warning in 1990
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.