Alert archive / Alabama / Flood Watches in 2022
Flood Watch 2, NWS Birmingham, AL
NWS Birmingham, AL issued this flood watch at Feb 21, 2022, 9:33 PM CST for 6 counties in Alabama. It took effect at Feb 22, 2022, 6:00 PM CST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Feb 21, 2022, 9:33 PM CST (03:33 UTC)
- In effect from
- Feb 22, 2022, 6:00 PM CST
- Expired
- Feb 23, 2022, 8:39 AM CST
- In force
- 15 hr
- Issued by
- NWS Birmingham, AL
- Flood severity
- None
Counties Blount County, AL, Fayette County, AL, Lamar County, AL, Marion County, AL, Walker County, AL, Winston County, AL
The radar
The Columbus AFB radar (KGWX), 77 km from the middle of the area, began a volume at 03:34 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
Little Rock, AR (KLZK), launched 00:00Z, 3.6 hours before the alert went out and 247 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
- 764 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 446 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 445 m²/s²
- 0-3 km storm-relative helicity
- 549 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 12.0
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Birmingham, AL wrote its last area forecast discussion before this flood watch went out at Feb 21, 6:41 PM CST, 2 hours 52 minutes earlier.
Area forecast discussion, Feb 21, 6:41 PM CST, 2 hours 52 minutes before
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</html>Hazardous weather outlook, Feb 21, 7:59 PM CST, 1 hour 34 minutes before
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</html>The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 8:02 PM CST | River Flood Warning | BMX | Greene, Pickens, Sumter | 7 days |
| Feb 22, 8:44 AM CST | River Flood Warning | BMX | Greene, Hale, Marengo, Sumter | 9 days |
| Feb 22, 8:47 AM CST | River Flood Warning | BMX | Greene, Marengo, Sumter | 5 days |
| Feb 22, 8:56 AM CST | River Flood Warning | BMX | Greene, Hale, Marengo | 8 days |
| Feb 22, 5:11 PM CST | Special Weather Statement | BMX | Chilton | 34 min |
Nearby
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.