Alert archive / Alabama / River Flood Warnings in 2020

River Flood Warning 50, NWS Birmingham, AL

February 18, 20205 counties in Alabama

NWS Birmingham, AL issued this river flood warning at Feb 18, 2020, 11:52 PM CST for 5 counties in Alabama. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued: Feb 18, 2020, 11:52 PM CST (05:52 UTC)
Expired: Feb 20, 2020, 12:42 AM CST
In force: 25 hr
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Flood severity: Minor

Counties Chambers County, AL, Elmore County, AL, Macon County, AL, Randolph County, AL, Tallapoosa County, AL

The radar

The Maxwell AFB radar (KMXX), 32 km from the middle of the area, began a volume at 05:56 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 river

Written for the forecast point Tallapoosa River at Wadley (WDLA1).

Action stage: 13 ft
Minor stage: 13 ft
Moderate stage: 20 ft
Major stage: 30 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02414501, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning 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 river flood warning went out at Feb 18, 11:10 PM CST, 42 minutes earlier.

Area forecast discussion, Feb 18, 11:10 PM CST, 42 minutes before

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Hazardous weather outlook, Feb 18, 11:01 AM CST, 12 hours 51 minutes before

Hazardous Weather Outlook
National Weather Service Birmingham AL
1101 AM CST Tue Feb 18 2020

ALZ011>015-017>050-192015-
Marion-Lamar-Fayette-Winston-Walker-Blount-Etowah-Calhoun-Cherokee-
Cleburne-Pickens-Tuscaloosa-Jefferson-Shelby-St. Clair-Talladega-
Clay-Randolph-Sumter-Greene-Hale-Perry-Bibb-Chilton-Coosa-Tallapoosa-
Chambers-Marengo-Dallas-Autauga-Lowndes-Elmore-Montgomery-Macon-
Bullock-Lee-Russell-Pike-Barbour-
1101 AM CST Tue Feb 18 2020

This Hazardous Weather Outlook is for the counties served by the
National Weather Service office in Birmingham.

.DAY ONE...Outlook through Tonight.

Moderate to heavy rain today and tonight may lead to localized flash
flooding in low-lying or poor drainage areas. Rainfall totals
expected to be one to three inches with locally higher amounts.

Many river basins across Central Alabama are in flood stage. Please
see the latest river statements for specific details.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

River basins will continue to experience flooding over the next
several days. Please see the latest river statements for specific
details.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management may be needed
today and tonight for flooding.

In the hours before

Special weather statement, Feb 18, 6:22 PM CST, 5 hours 30 minutes before

Special Weather Statement
National Weather Service Birmingham AL
622 PM CST Tue Feb 18 2020

ALZ027-028-190100-
Clay AL-Talladega AL-
622 PM CST Tue Feb 18 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN TALLADEGA AND WEST
CENTRAL CLAY COUNTIES UNTIL 700 PM CST...

At 622 PM CST, Doppler radar was tracking a strong thunderstorm over
Childersburg, moving east at 40 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Talladega, Sylacauga, Childersburg, Waldo, Sycamore, Winterboro and
Alpine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Birmingham.

&&

LAT...LON 3322 8599 3324 8639 3329 8638 3329 8636
      3331 8636 3332 8637 3335 8636 3335 8634
      3341 8603
TIME...MOT...LOC 0022Z 270DEG 36KT 3329 8634

40/Sizemore

Local storm report, Feb 18, 6:27 PM CST, 5 hours 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
627 PM CST TUE FEB 18 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0605 PM     FLASH FLOOD      2 WNW LAKE TUSCALOOSA D 33.28N 87.53W
02/18/2020                   TUSCALOOSA         AL   BROADCAST MEDIA

            UNKNOWN ROAD FLOODED NEAR SOKOL PARK. PHOTO
            SUBMITTED VIA SOCIAL MEDIA.

&&

TG

Local storm report, Feb 18, 7:27 PM CST, 4 hours 25 minutes before

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Local storm report, Feb 18, 8:59 PM CST, 2 hours 53 minutes before

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Local storm report, Feb 18, 9:06 PM CST, 2 hours 46 minutes before

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Local storm report, Feb 18, 9:14 PM CST, 2 hours 38 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
Feb 18, 6:22 PM CST	Special Weather Statement	BMX	Talladega	38 min
Feb 18, 6:37 PM CST	Areal Flood Advisory	BMX	Bibb, Shelby, Talladega	3 hr
Feb 18, 7:12 PM CST	River Flood Warning	BMX	Calhoun, Cherokee, Etowah, St. Clair	5 days
Feb 18, 7:57 PM CST	Areal Flood Advisory	BMX	Chambers, Chilton, Clay, Coosa, Randolph, Tallapoosa	5 hr
Feb 18, 8:48 PM CST	Areal Flood Advisory	BMX	Jefferson, Tuscaloosa	3 hr
Feb 19, 6:03 AM CST	River Flood Warning	BMX	Chilton, Coosa, Elmore, Shelby, Talladega	6 days
Feb 19, 7:16 AM CST	River Flood Warning	BMX	Bibb, Dallas, Perry	42 hr
Feb 19, 8:43 AM CST	River Flood Warning	BMX	Autauga, Dallas, Lowndes	21 days
Feb 19, 8:43 AM CST	River Flood Warning	BMX	Dallas	21 days
Feb 19, 9:11 AM CST	River Flood Warning	BMX	Jefferson, Tuscaloosa, Walker	48 hr
Feb 19, 9:11 AM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter, Tuscaloosa	12 hr

Nearby

River Flood Warnings in Alabama, 2020 Every river flood warning in 2020

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; the gauge from the NWS water service and the USGS.