Alert archive / Alabama / Flash Flood Warnings in 1997
Flash Flood Warning 33, NWS Birmingham, AL
NWS Birmingham, AL issued this flash flood warning at Jul 22, 1997, 3:33 PM CDT for Greene County, Marengo County, Alabama. It was in force for 3 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
- Jul 22, 1997, 3:33 PM CDT (20:33 UTC)
- Expired
- Jul 22, 1997, 6:35 PM CDT
- In force
- 3 hr
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
Counties Greene County, AL, Marengo County, AL
The radar
The Birmingham radar (KBMX), 124 km from the middle of the area, began a volume at 20:37 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 8.6 hours before the alert went out and 124 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
- 42 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 74 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 222034 FFWBHM ALC063-091-222335- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 333 PM CDT TUE JUL 22 1997 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 635 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL ALABAMA ...GREENE COUNTY ...NORTHERN MARENGO COUNTY AT 330 PM CDT...WEATHER RADAR SHOWED A BAND OF SHOWERS AND THUNDERSTORMS MOVING ACROSS PARTS OF GREENE...HALE AND NORTHERN MARENGO COUNTIES. RADAR RAINFALL ESTIMATES OF 3 TO 4 INCHES HAVE BEEN OBSEVERED DURING THE PAST THREE HOURS ACROSS NORTHERN GREENE COUNTY. THE MENTIONED COUNTIES HAVE HAD HEAVY RAINS MOVE ACROSS THEM MONDAY THROUGH TUESDAY MORNING. THE ADDITIONAL RAINFALL WILL CAUSE FLASH FLOODING DUE TO THE SATURATED GROUND ACROSS THE ABOVE COUNTIES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY AND THE ROAD BENEATH MAY NOT BE INTACT. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. IT ONLY TAKES A FOOT OR TWO OF FLOWING WATER TO WASH MOST CARS AWAY. REMEMBER... MOST DEATHS IN FLASH FLOODING OCCUR I N AUTOMOBILES. DURING HEAVY RAINS... KEEP CHILDREN AWAY FROM STORM DRAINS... WATER CATCHMENTS... AND WATERWAYS. SHALLOW... GENTLY FLOWING WATER CAN BECOME A RAGING TORRENT IN A MATTER OF MINUTES.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 7:43 PM CDT | Flash Flood Warning | BMX | Greene, Hale, Tuscaloosa | 4 hr |
| Jul 21, 11:41 PM CDT | Flash Flood Warning | BMX | Greene, Hale, Tuscaloosa | 3 hr |
| Jul 22, 12:54 AM CDT | Flash Flood Warning | BMX | Pickens | 4 hr |
| Jul 22, 2:51 PM CDT | Tornado Warning | BMX | Lee | 34 min |
| Jul 22, 2:56 PM CDT | Tornado Warning | BMX | Chambers | 29 min |
| Jul 22, 3:41 PM CDT | Tornado Warning | BMX | Russell | 34 min |
| Jul 22, 5:18 PM CDT | Flash Flood Warning | BMX | Bullock | 2 hr |
Nearby
Flash Flood Warnings in Alabama, 1997Every flash flood warning in 1997
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; radar from the NEXRAD Level II archive.