Alert archive / Alabama / Flash Flood Warnings in 1990
Flash Flood Warning 82, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Dec 22, 1990, 11:46 PM CST for Limestone County, Morgan County, Alabama. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Dec 22, 1990, 11:46 PM CST (05:46 UTC)
- Expired
- Dec 23, 1990, 3:45 AM CST
- In force
- 4 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Limestone County, AL, Morgan 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, 5.8 hours before the alert went out and 169 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 230547 FFWHSV ALC083-103-230945- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HUNTSVILLE AL 1146 PM CST SAT DEC 22 1990 THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 345 AM CST IN NORTH ALABAMA ...LIMESTONE COUNTY...MORGAN COUNTY ...FLASH FLOOD WARNING IN EFFECT FOR JACKSON COUNTY TIL 130 AM CST... ...FLASH FLOOD WARNING IN EFFECT FOR LAWRENCE COUNTY TIL 315 AM CST... AT 1140 PM CST HUNTSVILLE RADAR SHOWED VERY HEAVY RAIN OCCURRING IN SHOWERS AND THUNDERSHOWERS OVER LAWRENCE...MORGAN...LIMESTONE AND MADISON COUNTIES OF NORTH ALABAMA. MOVEMENT WAS NORTHEAST AT 35 MPH. THIS PRECIPITATION WILL LIKELY PRODUCE AN INCH OR MORE OF RAIN. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING KALONG STREAMS OR CREEKS DURING THREATENING RAINS.
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, 5:59 PM CST, 5 hours 47 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.
Special weather statement, Dec 22, 7:45 PM CST, 4 hours 1 minute before
ALZ004>009-011-013-230245-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
744 PM CST SAT DEC 22 1990
...FLASH FLOOD WATCH IN EFFECT FOR MOST OF NORTHERN...WESTERN AND
CENTRAL ALABAMA TONIGHT...
...STRONG THUNDERSTORMS ACROSS WEST CENTRAL ALABAMA...
AT 740PM...NATIONAL WEATHER SERVICE RADAR IN CENTREVILLE INDICATED
AN AREA OF SHOWERS AND THUNDERSTORMS ACROSS MUCH OF WEST AND CENTRAL
ALABAMA. THE STRONGEST STORM WAS MOVING ACROSS SOUTHERN PICKENS COUNTY
NEAR THE COMMUNITY OF ALICEVILLE. THIS STORM IS EXPECTED TO MOVE
JUST TO THE NORTH OF TUSCALOOSA WITHIN THE NEXT HOUR. OTHER STRONG
THUNDERSTORMS WERE IN THE BIRMINGHAM METROPOLITAN AREA IN JEFFERSON
COUNTY. THESE S/TORMS ARE CAPABLE OF PRODUCING VERY HEAVY RAIN AND
STRONG GUSTY WINDS. MOVEMENT WAS TO THE NORTHEAST AT ABOUT 40 MPH.Special weather statement, Dec 22, 10:22 PM CST, 1 hour 24 minutes before
ALZ002>009-013-230700- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 10 PM CST SAT DEC 22 1990 ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE REMAINDER OF TONIGHT FOR MOST OF NORTHERN AND WESTERN ALABAMA... AT 955 PM WEATHER RADAR INDICATED A BROAD AREA OF SHOWERS AND THUNDERSTORMS COVERING MUCH OF NORTHERN AND WESTERN ALABAMA. THE STRONGEST THUNDERSTORMS WERE OVER CULLMAN...WALKER AND FAYETTE COUNTIES. THESE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 TO 40 MPH. A COLD FRONT EXTENDING FROM NEAR HUNTSVILLE ACROSS WEST CENTRAL ALABAMA INTO SOUTHERN MISSISSIPPI WILL CONTINUE TO BE THE FOCUS FOR POSSIBLE HEAVY RAIN OVERNIGHT. PERSONS IN THE WATCH AREA ARE URGED TO MONITOR LOCAL WEATHER CONDITIONS VERY CAREFULLY OVERNIGHT. DO NOT ATTEMPT TO CROSS ANY ROADS COVERED WITH WATER AND BE SURE TO AVOID ANY AREAS EASILY PRONE TO FLOODING. REMEMBER...A FLASH FLOOD WATCH MEANS CONDITIONS ARE FAVORABLE FOR FLOODI)NG IN AND CLOSE TO THE WATCH AREA.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 7:34 PM CST | Flash Flood Warning | BMX | Jackson | 6 hr |
| 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 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.