Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 45, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at May 1, 1990, 4:27 PM CDT for Lamar County, Alabama. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- May 1, 1990, 4:27 PM CDT (21:27 UTC)
- Expired
- May 1, 1990, 5:15 PM CDT
- In force
- 48 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Lamar 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
Little Rock, AR (KLZK), launched 12:00Z, 9.5 hours before the alert went out and 206 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
- 3616 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 242 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 KBHM 012129 SVRBHM ALC075-012215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 427 PM CDT TUE MAY 1 1990 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH ALABAMA ...LAMAR COUNTY A SEVERE THUNDERSTORM WAS INDICATED AT 425 PM IN NORTHWEST LAMAR COUNTY NEAR THE MISSISSIPPI STATE LINE. THE THUNDERSTORM WAS MOVING EAST AT 30 MILES AN HOUR. THERE HAVE BEEN REPORTS OF GOLF BALL SIZED HAIL ASSOCIATED WITH THIS STORM DURING THE PAST FEW MINUTES. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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, May 1, 3:25 PM CDT, 1 hour 2 minutes before
ALZ004-005-012130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 225 PM CDT TUE MAY 1 1990 ...STRONG THUNDERSTORMS MOVING ACROSS NORTHWEST ALABAMA... STRONG THUNDESTORMS WERE MOVING INTO LAMAR COUNTY OF NORTHWEST ALABAMA AT 225 PM CDT. THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. MARBLE SIZE HAIL HAS BEEN REPORTED WITH THIS THUNDERSTORM ACROSS THE STATELINE IN MISSISSIPPI EARLIER THIS AFTERNOON. PERSONS IN LAMAR COUNTY CAN EXPECT HEAVY RAIN...STRONG GUSTY WINDS AND HAIL. THE THUNDERSTORMS WILL MOVE INTO PICKENS...WINSTON...AND FAYETTE COUNTIES BEFORE 4 PM CDT. RESIDENTS OF NORTHWEST ALABAMA SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPAkRED TO SEEK SHELTER IS THREATENING WEATHER APPROACHES.
Special weather statement, May 1, 4:09 PM CDT, 18 minutes before
ALZ004-005-012200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 406 PM CDT TUE MAY 1 1990 ...STRONG THUNDERSTORMS MOVING ACROSS NORTHWEST ALABAMA... STRONG THUNDESTORMS WERE MOVING THROUGH LAMAR...MARION AND NORTHERN WINSTON COUNTIES IN NORTHWEST ALABAMA...MOVING TO THE EAST AT AROUND 30 MPH. MARBLE SIZE HAIL WAS BEEN REPORTED WITH THESE THUNDER STORMS ACROSS THE STATELINE IN MISSISSIPPI EARLIER THIS AFTERNOON. ALSO MARBLE-SIZED HAIL WAS REPORTED NEAR HALEYVILLE. PERSONS IN LAMAR...MARION...WINSTON AS WELL AS WALKER COUNTIES NEED TO REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND STAYED TUNED FOR LATER STATEMENTS.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 2:00 PM CDT | Severe Thunderstorm Warning | BMX | Limestone | 60 min |
| May 1, 2:15 PM CDT | Tornado Warning | BMX | Madison | 40 min |
| May 1, 2:25 PM CDT | Tornado Warning | BMX | Lawrence | 30 min |
| May 1, 2:38 PM CDT | Severe Thunderstorm Warning | BMX | Jackson, Marshall | 52 min |
| May 1, 2:58 PM CDT | Severe Thunderstorm Warning | BMX | DeKalb | 47 min |
| May 1, 4:31 PM CDT | Severe Thunderstorm Warning | BMX | Marion, Winston | 59 min |
| May 1, 4:31 PM CDT | Severe Thunderstorm Warning | BMX | Cullman | 59 min |
| May 1, 6:40 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 65 min |
| May 1, 6:58 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Tuscaloosa | 47 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.