Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 26, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 1, 1990, 2:54 PM CDT for Hale County, Tuscaloosa County, Alabama. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Apr 1, 1990, 2:54 PM CDT (19:54 UTC)
- Expired
- Apr 1, 1990, 3:45 PM CDT
- In force
- 51 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Hale County, AL, Tuscaloosa 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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 7.9 hours before the alert went out and 38 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
- 667 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBHM 011957 SVRBHM ALC125-065-012045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 254 PM CDT SUN APR 1 1990 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS.... IN NORTH ALABAMA ...SOUTHERN TUSCALOOSA COUNTY IN SOUTH ALABAMA ...HALE COUNTY AT 355 PM CDT WEATHER SERVICE RADAR IN CENTREVILLE INDICATED SEVERE THUNDERSTORM MOVING INTO SOUTHERN TUSCALOOSA AND HALE COUNTIES. THESE THUNDERSTORMS WERE MOVING TO THE EAST AT 30 MPH. 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 INTO 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, Apr 1, 12:41 PM CDT, 2 hours 13 minutes before
ALZ008-007-011-011840- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1240 PM CDT SUN APR 1 1990 ...STRONG THUNDERSTORMS DEVELOPING IN ALABAMA... AT 1240 PM WEATHER SERVICE RADAR SHOWED A STRONG THUNDERSTORM NEAR THE ALABAMA MISSISSIPPI BORDER...ABOUT 20 MILES WEST NORTHWEST OF ALICEVILLE IN PICKENS COUNTY. ANOTHER STRONG THUNDERSTORM WAS IN TALLEDEGA COUNTY ABOUT 10 MILES SOUTHWEST OF THE CITY OF TALLEDEGA. THIS STORM WILL AFFECT OR PAST CLOSE TO THE CITY OF ASHLAND IN CLAY COUNTY WITHIN THE HOUR. THESE THUNDERSTORMS WERE MOVING TO THE EAST AT 30 MPH. THESE STORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS AND POSSIBLY SOME HAIL.
Special weather statement, Apr 1, 1:41 PM CDT, 1 hour 13 minutes before
ALZ008-007-011-011940- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 140 PM CDT SUN APR 1 1990 AT 140 PM WEATHER SERVICE RADAR SHOWED A WEAKENING TREND OF THUNDERSTORMS IN PICKENS AND CLAY COUNTIES. THE THUNDERSHOWER IN CLAY COUNTY WILL AFFECT THE COMMUNTIES OF BARFIELD AND DELTA WITHIN THE NEXT 30 MINUTES OR SO. THE OTHER STORM IN PICKENS COUNTY HAS DISSIPATED. THESE THUNDERSHOWERS AND SHOWERS WERE MOVING TO THE EAST NORTHEAS3T AT 25 MPH. WEATHER SERVICE RADAR SHOWS MORE THUNDERSTORMS IN CENTRAL AND EASTERN MISSISSIPPI. THESE STORMS MAY AFFECT THE WEST CENTRAL COUNTIES BY 2 PM.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 2:27 PM CDT | Severe Thunderstorm Warning | BMX | Greene, Pickens | 48 min |
| Apr 1, 3:17 PM CDT | Severe Thunderstorm Warning | BMX | Greene | 28 min |
| Apr 1, 3:54 PM CDT | Severe Thunderstorm Warning | BMX | Hale | 26 min |
| Apr 1, 4:03 PM CDT | Severe Thunderstorm Warning | BMX | Perry | 42 min |
| Apr 1, 4:11 PM CDT | Severe Thunderstorm Warning | BMX | Bibb | 36 min |
| Apr 1, 4:11 PM CDT | Severe Thunderstorm Warning | BMX | Chilton | 64 min |
| Apr 1, 5:18 PM CDT | Severe Thunderstorm Warning | BMX | Chilton | 27 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.