Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 111, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jun 22, 1990, 4:27 PM CDT for St. Clair County, Alabama. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Jun 22, 1990, 4:27 PM CDT (21:27 UTC)
- Expired
- Jun 22, 1990, 5:15 PM CDT
- In force
- 48 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County St. Clair 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, 9.5 hours before the alert went out and 122 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
- 0 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -153 m²/s²
- 0-3 km storm-relative helicity
- -118 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 222127 SVRBHM ALC115-222215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 427 PM CDT FRI JUN 22 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 ...ST.CLAIR COUNTY THE NATIONAL WEATHER SERVICE HAS EXTENDED THE SEVERE THUNDERSTORM WARNING DUE TO THE DEVELOPMENT OF ADDITIONAL THUNDERSTORMS IN THE WESTERN PORTION OF ST. CLAIR COUNTY. STRONG WIND AND HAIL HAVE BEEN REPORTED WITH THESE THUNDERSTORMS. 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, Jun 22, 1:11 PM CDT, 3 hours 16 minutes before
ALZ004>009-011-221530-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
110 PM CDT FRI JUN 22 1990
...SHOWERS RAPIDLY RE-DEVELOPING ACROSS CENTRAL ALABAMA...
AT 105 PM WEATHER SERVICE RADAR SHOWED SHOWERS AND THUNDERSHOWERS
DEVELOPING RAPIDLY ACROSS CENTRAL ALABAMA. SHOWERS WERE INDICATED
IN CULLMAN...WALKER...LAMAR...AND PICKENS COUNTIES. A SLOW EASTWARD
MOVEMENT WAS OBSERVED.
AFTER THE SHOWERS AND THUNDERSTORMS OCCURRED ACROSS CENTRAL ALABAMA
THIS MORNING...THE ATMOSPHERE WAS MOMENTARILY STABILIZED - THAT MEANS
THAT FOR SEVERAL HOURS CONIDITIONS IMPROVED WITH LITTLE LIKELIHOOD
OF THUNDERSTORMS. HOWEVER...NOW THAT SEVERAL HOURS HAVE PASSED...
THE SUN'S HEATING HAS BEGUN TO DESTABILIZE THE ATMOSPHERE ALLOWING
FOR THE FORMATION OF LOW LEVEL CUMULUS CLOUDS. FURTHERMORE SHOWERS
HAD BEGUN TO DEVELOP RAPIDLY ACROSS CENTRAL AND WESTERN ALABAMA AS
DESCRIBED ABOVE.
EVERYONE IN CENTRAL ALABAMA SHOULD BE ALERT TyO RAPIDLY CHANGING
WEATHER CONDITIONS. THOSE OUTSIDE...WHETHER WORKING OR ENJOYING
RECREATIONAL ACTIVITIES...SHOULD BE PREPARED TO MOVE INSIDE A
SUBSTANTIAL BUILDING AT THE FIRST SOUND OF THUNDER. THIS ACTION
COULD SAVE YOUR LIFE.Special weather statement, Jun 22, 2:39 PM CDT, 1 hour 48 minutes before
ALZ004>009-011-221530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 239 PM CDT FRI JUN 22 1990 ...SEVERE THUNDERSTORM WATCH FOR ALL OF CENTRAL ALABAMA TIL 9 PM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL ALABAMA UNTIL 9 PM THIS FRIDAY EVENING. THUNDERSTORMS HAD BEGUN TO FORM ACROSS MANY COUNTIES OF CENTRAL ALABAMA. ADDITIONALLY...THUNDERSTORMS HAD BEGUN FORMING IN MISSISSIPPI AND ARE EXPECTED TO MOVE INTO ALABAMA LATER THIS EVENING. AT 238 PM NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS FORMING QUICKLY IN CENTRAL ALABAMA. THE HEAVIEST THUNDERSTORMS WERE INDICATED IN BLOUNT COUNTY...NORTHWEST JEFFERSON COUNTY... JUST WEST OF TUSCALOOSA ON THE TUSCALOOSA-PICKENS COUNTY LINE...AND IN LAMAR COUNTY. THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR. EVERYONE IN CENTRAL ALABAMA SHOULD KEEP UP-TO-DATE ON THE LATEST WEATHER CONDITIONS. THOSE OUTSIDE...WHETHER WORKING OR ENJOYINkG RECREATIONAL ACTIVITIES...SHOULD BE PREPARED TO MOVE INSIDE A SUBSTANTIAL BUILDING AT THE FIRST SOUND OF THUNDER.
Special weather statement, Jun 22, 3:13 PM CDT, 1 hour 14 minutes before
ALZ004>009-011-222130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 310 PM CDT FRI JUN 22 1990 ...SEVERE THUNDERSTORM WATCH FOR ALL OF CENTRAL ALABAMA TIL 9 PM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL ALABAMA UNTIL 9 PM THIS FRIDAY EVENING. THUNDERSTORMS HAD FORMED ACROSS MANY COUNTIES OF CENTRAL ALABAMA. ADDITIONALLY...THUNDERSTORMS WERE FORMING IN MISSISSIPPI AND ARE EXPECTED TO MOVE INTO ALABAMA LATER THIS EVENING. AT 310 PM NATIONAL WEATHER SERVICE RADAR INDICATED THE HEAVIEST THUNDERSTORMS WERE IN NORTHERN JEFFERSON COUNTY...SOUTHEAST BLOUNT COUNTY...NORTHERN ST. CLAIR COUNTY...LAMAR AND FAYETTE COUNTIES...AND PICKENS COUNTY. THE THUNDERSTORMS IN PICKENS AND LAMAR COUNTIES WERE PARTICULARLY STRONG ACCORDING TO RADAR. THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR. IN ADDITION TO THE THREAT OF STRONG WIND AND LARGE HAIL...THE MOVEMENT OF THESE THUNDERSTORMS WILL MAKE FLASH FLOODING A REAL THREAT TOO. AS THE THUNDERSTORMS MOVE EAST...NEWLY FORMED THUNDERSTORMS TO THE WEST WILL MOVE EAST ALSO BRINGING MORE HEAVY RAINS OVER THE AREAS WHERE RAIN HAS ALREADY OCCURRED. PEOPLE DRIVING CARS IN WEST CENTRAL ALABAMA SHOULD BE ESPECIALLY CAUTIOUS ABOUT DRIVING INTO AREAS WHERE WATER COVERS THE ROADWAY. EVERYONE IN CENTRAL ALABAMA SHOULD KEEP UP-TO-DATE ON THE LATEST WEATHER CONDITIONS. THOSE OUTSIDE...WHETHER WORKING OR ENJOYING RECREATIONAL ACTIVITIES...SHOULD BE PREPARED TO MOVE INSIDE A SUBSTANTIAL BUILDING AT THE FIRST SOUND OF THUNDER.
Special weather statement, Jun 22, 3:40 PM CDT, 47 minutes before
ALZ004>009-011-222245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 340 PM CDT FRI JUN 22 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL ALABAMA UNTIL 9 PM THIS FRIDAY EVENING. THUNDERSTORMS WERE OCCURRING ACROSS MANY COUNTIES OF CENTRAL ALABAMA. ADDITIONALLY...THUNDERSTORMS HAD FORMED IN MISSISSIPPI AND ARE EXPECTED TO MOVE INTO ALABAMA LATER THIS EVENING. AT 338 PM WEATHER SERVICE RADAR INDICATED THE STRONGEST THUNDERSTORMS IN ST CLAIR COUNTY...SOUTHERN ETOWAH COUNTY MOVING IN TO NORTHERN CALHOUN COUNTY...AND IN A BAND FROM WALKER COUNTY ACROSS FAYETTE COUNTY INTO LAMAR COUNTY. ANOTHER STRONG THUNDERSTORM WAS LOCATED IN SOUTHWEST CLEBURNE COUNTY. THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR. REPORTS FROM SOUTHERN ETOWAH COUNTY INDICATED ONE STRONG THUNDERSTORM PRODUCED MARBLE SIZE HAIL IN THE COMMUNITY OF SOUTHSIDE. IN ADDITION TO THE THREAT OF STRONG WIND AND LARGE HAIL...THE MOVEMENT OF THESE THUNDERSTORMS WILL MAKE FLASH FLOODING A REAL THREAT TOO. AS THE THUNDERSTORMS MOVE EAST...NEWLY FORMED THUNDERSTORMS TO THE WEST WILL MOVE EAST BRINGING MORE HEAVY RAIN OVER THE AREA WHERE RAIN HAD ALREADY OCCURRED. PEOPLE DRIVING CARS IN WEST CENTRAL ALABAMA SHOULD BE ESPECIALLY CAUTIOUS ABOUT DRIVING INTO AREAS WHERE WATER COVERS THE ROADWAY. EVERYONE IN CENTRAL ALABAMA SHOULD KEEP UP-TO-DATE ON THE LATEST WEATHER CONDITIONS. THOSE OUTSIDE...WHETHER WORKING OR ENJOYING RECREATIONAL ACTIVITIES...SHOULD BE PREPARED TO MOVE INSIDE A SUBSTANTIAL BUILDING AT THE FIRST SOUND OF THUNDER.
Local storm report, Jun 22, 4:09 PM CDT, 18 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
408 PM CDT FRI JUN 22 1990
405 PM CDT...GOLF BALL HAIL REPORTED AT STATE TROOPERS POST AT
TUSCALOOSA.
405 PM CDT...PEA SIZE HAIL AND 40 MPH WINDS EAST OF ARGO IN ST CLAIR
COUNTY.
]Local storm report, Jun 22, 4:27 PM CDT, 0 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
425 PM CDT FRI JUN 22 1990
408 PM ...45 MPH WINDS AT BRANCHVILLE IN ST CLAIR COUNTY.
418 PM ...NICKEL SIZE HAIL IN HUFFMAN ON EAST EDGE OF BIRMINGHAM.
418 PM ...TOPS BLOWN OUT OF TREES IN WOODLAND FOREST AREA OF SOUTHERN
TUSCALOOSA COUNTY.
420 PM ...14 INCH DIAMETER TREE BROKEN OFF TWO FT ABOVE THE GROUND
8 MILES NORTHEAST OF LEEDS IN ST CLAIR COUNTY.
ALL REPORTS THROUGH BIRMINGHAM AREA RADIO CLUB (BARC)
]The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 6:57 AM CDT | Severe Thunderstorm Warning | BMX | Lamar | 23 min |
| Jun 22, 3:56 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair | 34 min |
| Jun 22, 4:02 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Tuscaloosa | 43 min |
| Jun 22, 4:18 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 42 min |
| Jun 22, 4:38 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Hale | 37 min |
| Jun 22, 5:01 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 29 min |
| Jun 22, 5:05 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 40 min |
| Jun 22, 5:47 PM CDT | Tornado Warning | BMX | Hale | 28 min |
| Jun 22, 5:55 PM CDT | Tornado Warning | BMX | Perry | 35 min |
| Jun 22, 6:57 PM CDT | Severe Thunderstorm Warning | BMX | Marengo | 48 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.