Alert archive / Alabama / Flash Flood Watches in 2018

Flash Flood Watch 1, NWS Birmingham, AL

April 13, 201825 counties in Alabama

NWS Birmingham, AL issued this flash flood watch at Apr 13, 2018, 4:40 PM CDT for 25 counties in Alabama. It took effect at Apr 14, 2018, 7:00 AM CDT. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued: Apr 13, 2018, 4:40 PM CDT (21:40 UTC)
In effect from: Apr 14, 2018, 7:00 AM CDT
Expired: Apr 15, 2018, 5:00 AM CDT
In force: 22 hr
Issued by: NWS Birmingham, AL
Flood severity: None

All 25 counties

Autauga County, AL, Bibb County, AL, Blount County, AL, Calhoun County, AL, Chilton County, AL, Coosa County, AL, Dallas County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lowndes County, AL, Marengo County, AL, Marion County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL

The radar

The Birmingham radar (KBMX), 33 km from the middle of the area, began a volume at 21:40 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.

What forecasters said that day

The local office's own words before this flash 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 flash flood watch went out at Apr 13, 3:53 PM CDT, 47 minutes earlier.

Area forecast discussion, Apr 13, 3:53 PM CDT, 47 minutes before

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Hazardous weather outlook, Apr 13, 1:51 PM CDT, 2 hours 49 minutes before

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The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 13, 9:06 AM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Pickens, Sumter	72 hr
Apr 13, 9:06 AM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	48 hr
Apr 13, 9:06 AM CDT	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	24 hr
Apr 13, 9:09 AM CDT	River Flood Warning	BMX	Sumter	48 hr

Nearby

Flash Flood Watches in Alabama, 2018 Every flash flood watch in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.