Alert archive / Alabama / Flash Flood Warnings in 1990
Flash Flood Warning 79, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Dec 22, 1990, 7:34 PM CST for Jackson County, Alabama. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Dec 22, 1990, 7:34 PM CST (01:34 UTC)
- Expired
- Dec 23, 1990, 1:30 AM CST
- In force
- 6 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Jackson 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, 1.6 hours before the alert went out and 160 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
- 464 m above ground
- 0-6 km bulk shear
- 94 kt
- 0-1 km storm-relative helicity
- 325 m²/s²
- 0-3 km storm-relative helicity
- 347 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 230134 FFWHSV ALC071-230730- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 734 PM CST SAT DEC 22 1990 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 130 AM CST IN NORTH ALABAMA ...JACKSON COUNTY HUNTSVILLE RADAR AT 730 PM CST SHOWED THUNDERSTORMS WITH HEAVY RAINFALL AMOUNTS OVER JACKSON COUNTY ALABAMA. MOVEMENT WAS NORTHEAST AT AROUND 35 MPH. THE BRIDGEPORT POLICE DEPARTMENT REPORTED AREAS OF LOCAL FLOODING. THE SEQUATCHIE RIVER IN TENNESSEE IS ABOVE BANKFULL AND WATER CONTINUES TO RISE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOOD"S AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
What forecasters said that day
The local office's own words before this flash flood 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, Dec 22, 1:46 PM CST, 5 hours 48 minutes before
ALZ004>009-011-013-222100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 146 PM CST SAT DEC 22 1990 ...TORNADO WATCH UNTIL 600 PM FOR MUCH OF NORTH AND WEST ALABAMA... ...FLASH FLOOD WATCH IN EFFECT FOR ALL OF NORTHERN ALABAMA TODAY... ...FLASH FLOOD WARNINGS REMAIN IN EFFECT FOR LAMAR..PICKENS..FAYETTE ..WALKER..MARION..WINSTON AND CULLMAN COUNTIES UNTIL 300 PM... AT 144 PM...WEATHER SERVICE RADAR SHOWED A STRONG THUNDERSTORMS JUST WEST OF SUMTER COUNTY MOVING TO THE NORTHEAST AROUND 35 MILES AN HOURS. THIS STROM WAS PRODUCING VERY HEAVY RAIN..STRONG WINDS..AND LIGHTNING AND WILL LIKELY MOVE INTO SUMTER COUNTY IN THE NEXT HOUR. ELSEWHERE...AREAS OF LIGHT TO MODERATE CONTINUED ACROSS NORTHWEST ALABAMA. THE HEAVIEST RAIN WAS FALLING IN THE COUNTIES OF LAMAR NEAR THE CITY OF MILLPORT AND IN FAYETTE COUNTY JUST SOUTH OF WINFIELD. SEVERE WEATHER REMAINS A THREAT THROUGHOUT TODAY SO PERSONS ARE URGED TO STAY TUNED FOR ADDITIONAL WEATHER INFORMATION.
Special weather statement, Dec 22, 2:40 PM CST, 4 hours 54 minutes before
ALZ004>009-011-013-222145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 245 PM CST SAT DEC 22 1990 ...TORNADO WATCH UNTIL 600 PM FOR MUCH OF NORTH AND WEST ALABAMA... ...FLASH FLOOD WATCH IN EFFECT FOR ALL OF NORTHERN ALABAMA TODAY... ...FLASH FLOOD WARNINGS REMAIN IN EFFECT FOR LAMAR..PICKENS..FAYETTE ..WALKER..MARION..WINSTON AND CULLMAN COUNTIES UNTIL 300 PM... AT 243 PM...WEATHER SERVICE RADAR CONTINUED TO SHOW SHOWERS AND THUNDERSTORMS IN PORTIONS OF NORTHERN AND WESTERN ALABAMA. MOST OF THE HEAVY RAIN AT 243 WAS WEST OF THE CITIES OF ONEONTA...BIRMINGHAM...AND CENTREVILLE...WITH THE STRONGEST STORMS NEAR FAYETTE...NORTHWEST OF ALICEVILLE...AND JUST NORTH OF GAINSVILLE. ALL THE ACTIVITY WAS MOVING TO THE NORTHEAST AT AROUND 35 MPH. SEVERE WEATHER REMAINS A THREAT THROUGHOUT THE REST OF TODAY FOR ALL OF NORTH CENTRAL ALABAMA...SO PERSONS ARE URGED TO STAY TUNED FOR ADDITIONAL WEATHER STATEMENTS AND POSGSIBLE WARNINGS.
Special weather statement, Dec 22, 4:55 PM CST, 2 hours 39 minutes before
ALZ004>009-011-013-230000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 455 PM CST SAT DEC 22 1990 ...TORNADO WATCH UNTIL 600 PM FOR MUCH OF NORTH AND WEST ALABAMA... ...FLASH FLOOD WATCH IN EFFECT FOR MOST OF NORTHERN...WESTERN AND CENTRAL ALABAMA TONIGHT... AT 455 PM...WEATHER SERVICE RADAR CONTINUED TO SHOW A LARGE AREA OF RAIN WITH ISOLATED HEAVIER THUNDERSTORMS ACROSS MUCH OF NORTH AND CENTRAL ALABAMA. THE STRONGEST THUNDERSTORMS WERE INDICATED IN CULLMAN COUNTY JUST NORTHEAST OF SMITH DAM...AND IN SOUTHERN TUSCALOOSA COUNTY. OTHER HEAVY RAINS...WITH POSSIBLE THUNDER...WERE OCCURING NEAR DEMOPOLIS. MOVEMENT WAS TO THE NORTHEAST AT AROUND 35 MPH.
Special weather statement, Dec 22, 5:59 PM CST, 1 hour 35 minutes before
ALZ004>009-011-013-230600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 600 PM CST SAT DEC 22 1990 ...TORNADO WATCH FOR MUCH OF NORTH AND WEST ALABAMA HAS EXPIRED... ...FLASH FLOOD WATCH IN EFFECT FOR MOST OF NORTHERN...WESTERN AND CENTRAL ALABAMA TONIGHT... MODERATE RAIN WITH FEW HEAVY THUNDERSTORMS COVER A LARGE PORTION OF NORTHERN...CENTRAL...AND WESTERN ALABAMA. THE RAIN WILL PERSIST OVER THE FLOOD WATCH AREA THROUGH THE EVENING. WHILE THE RAIN CONTINUES...THE STRENGTH OF THE THUNDERSTORMS OVER THE STATE HAVE WEAKENED. WHILE NO PORTION OF ALABAMA REMAINS UNDER A TORNADO WATCH...A FEW THUNDERSTORMS MAY STILL PRODUCE VERY HEAVY RAIN AND STRONG GUSTY WINDS. sALABAMIANS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS THROUGH THE EVENING HOURS.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 10:15 PM CST | Flash Flood Warning | BMX | Cullman, Walker, Winston | 4 hr |
| Dec 22, 10:15 PM CST | Flash Flood Warning | BMX | Fayette, Lamar, Marion | 4 hr |
| Dec 22, 11:46 PM CST | Flash Flood Warning | BMX | Limestone, Morgan | 4 hr |
| Dec 23, 12:38 AM CST | Flash Flood Warning | BMX | Lawrence, Limestone, Morgan | 4 hr |
| Dec 23, 12:38 AM CST | Flash Flood Warning | BMX | Jackson, Madison | 4 hr |
| Dec 23, 1:50 AM CST | Flash Flood Warning | BMX | Cullman, Marion, Walker, Winston | 5 hr |
| Dec 23, 1:50 AM CST | Flash Flood Warning | BMX | Fayette, Lamar | 5 hr |
Nearby
Flash Flood Warnings in Alabama, 1990Every flash flood 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.