Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 121, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jul 2, 1990, 2:33 PM CDT for Pickens County, Alabama. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1990, 2:33 PM CDT (19:33 UTC)
- Expired
- Jul 2, 1990, 3:30 PM CDT
- In force
- 57 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Pickens 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, 7.6 hours before the alert went out and 93 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
- 1129 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1374 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 19 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 021935 SVRBHM ALC107-022030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 233 PM CDT MON JUL 2 1990 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH ALABAMA ...PICKENS COUNTY AT 230 PM CDT LAMAR COUNTY SHERIFFS OFFICE REPORTED A SEVERE THUNDERSTORM IN NORTHERN PICKENS COUNTY. THIS STORM CONTAINED MARBLE SIZED HAIL AND POSSIBLY HIGH WINDS...AND IS MOVING TO THE SOUTH-SOUTHEAST AT 20 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, Jul 2, 12:53 PM CDT, 1 hour 40 minutes before
ALZ004>009-011-013-021900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1252 PM CDT MON JUL 2 1990 STRONG THUNDERSTORMS DEVELOPING RAPIDLY IN NORTHWEST ALABAMA. AT 1250 PM NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF RAPIDLY DEVELOPING THUNDERSTORMS IN NORTHWEST ALABAMA. THE STRONGEST STORM AT THAT TIME WAS ALONG THE MARION-WINSTON-WALKER COUNTY LINE...JUST NORTHWEST OF CARBON HILL. OTHER STRONG THUNDERSTORMS WERE INDICATED IN NORTHEAST MISSISSIPPI BETWEEN CLOUMBUS AND TUPELO...AND THESE STORMS COULD AFFECT MARION AND LAMAR COUNTIES IN THE NEXT COUPLE OF HOURS. THESE STORMS WILL BE ACCOMPANIED BY FREQUENT LIGHTNING...BRIEF HEAVY DOWNPOURS AND STRONG GUSTY W<INDS.
Special weather statement, Jul 2, 1:28 PM CDT, 1 hour 5 minutes before
ALZ010-011-012-014-017-018-022030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 121 PM CDT MON JUL 2 1990 ...SEVERE THUNDERSTORM WATCH FOR MUCH OF SOUTH ALABAMA UNTIL 8 PM CDT... AT 125 PM CDT RADAR SHOWED THUNDERSTORMS SCATTERED OVER SOUTH ALABAMA MOVING SOUTH AT AROUND 20 MILES AN HOUR. THUNDERSTORMS WILL CONTINUE TO DEVELOPE VERY RAPIDLY OVER SOUTH CENTRAL AND SOUTHEAST ALABAMA THROUGHOUT THE AFTERNOON AND EVyENING HOURS AND MAY PRODUCE LARGE HAIL AND DAMAGING THUNDERSTORM WINDS. PERSONS SHOULD STAY WEATHER ALERT AND LISTEN TO NOAA WEATHER RADIO OR LOCAL NEWS MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 1:13 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 62 min |
| Jul 2, 1:51 PM CDT | Severe Thunderstorm Warning | BMX | Fayette | 54 min |
| Jul 2, 2:10 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson, Shelby | 50 min |
| Jul 2, 2:27 PM CDT | Severe Thunderstorm Warning | BMX | Bibb | 48 min |
| Jul 2, 3:01 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 44 min |
| Jul 2, 3:05 PM CDT | Severe Thunderstorm Warning | BMX | Pickens | 45 min |
| Jul 2, 3:05 PM CDT | Severe Thunderstorm Warning | BMX | Perry | 45 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.