Alert archive / Alabama / Flash Flood Warnings in 2002
Flash Flood Warning 30, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Sep 22, 2002, 1:56 AM CDT for Clay County, Randolph County, Alabama. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 22, 2002, 1:56 AM CDT (06:56 UTC)
- Expired
- Sep 22, 2002, 5:45 AM CDT
- In force
- 4 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Clay County, AL, Randolph County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 6.9 hours before the alert went out and 105 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
- 1963 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1044 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KBMX 220656 FFWBHM ALC027-111-221045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 151 AM CDT SUN SEP 22 2002 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * FLASH FLOOD WARNING FOR... CLAY COUNTY IN EAST CENTRAL ALABAMA RANDOLPH COUNTY IN EAST CENTRAL ALABAMA * UNTIL 545 AM CDT * AT 150 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN OVER CLAY AND RANDOLPH COUNTIES...MAINLY BETWEEN WEDOWEE AND ASHLAND. THE AREA OF HEAVY RAIN WAS NEARLY STATIONARY. RADARS ESTIMATE THAT AS MUCH AS 4 INCHES OF RAIN HAS FALLEN IN THIS AREA SINCE MIDNIGHT. ADDITIONAL AMOUNTS OF 2 OR MORE INCHES ARE POSSIBLE...MAKING FLASH FLOODING LIKELY. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
2 follow-up statements
000 WGUS74 KBMX 220844 FFSBHM ALC027-111-221045- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 338 AM CDT SUN SEP 22 2002 A FLASH FLOOD WARNING REMAINS IN EFFECT FOR CLAY AND RANDOLPH COUNTIES UNTIL 545 AM CDT. AT 338 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED MODERATE TO HEAVY RAINFALL CONTINUING ACROSS THE WARNING AREA... MAINLY ACROSS NORTHWEST RANDOLPH COUNTY AND NORTEAST CLAY COUNTY. RADARS ESTIMATE THAT SOME SPOTS BETWEEN WEDOWEE AND LINEVILLE MAY HAVE RECEIVED 6 INCHES OF RAIN...OR MORE...DURING THE LAST SEVERAL HOURS...AND FLOODING IS LIKELY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
000 WGUS74 KBMX 221020 FFSBHM ALC027-111-221045- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 516 AM CDT SUN SEP 22 2002 A FLASH FLOOD WARNING REMAINS IN EFFECT FOR CLAY AND RANDOLPH COUNTIES UNTIL 545 AM CDT. AT 516 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED RAINFALL HAS DECREASED OVER CLAY AND RANDOLPH COUNTIES, HOWEVER, MODERATE TO HEAVY RAINFALL CONTINUED IN SPOTS. RADARS ESTIMATE THAT RAINFALL AMOUNTS NEAR 8 INCHES MAY HAVE OCCURRED OVER PARTS OF NORTHWEST RANDOLPH COUNTY AND NORTHEAST CLAY COUNTY OVERNIGHT. ALTHOUGH RAIN HAS BEEN GRADUALLY DECREASING...SOME FLOODING LIKELY CONTINUES IN THE WARNING AREA. MOST FLASH FLOODING DEATHS ARE AUTOMOBILE RELATED. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROAD. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 3:32 AM CDT | Flash Flood Warning | BMX | Jefferson, St. Clair, Shelby, Talladega | 4 hr |
| Sep 22, 4:58 AM CDT | Severe Thunderstorm Warning | BMX | Talladega | 47 min |
| Sep 22, 5:24 AM CDT | Severe Thunderstorm Warning | BMX | Coosa | 51 min |
| Sep 22, 6:03 AM CDT | Flash Flood Warning | BMX | Chilton, Coosa | 4 hr |
| Sep 22, 6:56 AM CDT | Flash Flood Warning | BMX | Bibb, Tuscaloosa | 4 hr |
| Sep 22, 7:27 AM CDT | Flash Flood Warning | BMX | Jefferson, Shelby, Talladega | 4 hr |
| Sep 22, 10:00 AM CDT | Flash Flood Warning | BMX | Chilton, Coosa | 60 min |
Nearby
Flash Flood Warnings in Alabama, 2002Every flash flood warning in 2002
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.