Alert archive / Tennessee / Areal Flood Warnings in 2021

Areal Flood Warning 20, NWS Huntsville, AL

March 31, 2021Franklin County, Lincoln County, Moore County, Tennessee

NWS Huntsville, AL issued this areal flood warning at Mar 31, 2021, 10:51 AM CDT for Franklin County, Lincoln County, Moore County, Tennessee. It was in force for 5 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: Mar 31, 2021, 10:51 AM CDT (15:51 UTC)
Expired: Mar 31, 2021, 4:19 PM CDT
In force: 5 hr
Issued by: NWS Huntsville, AL
Flood severity: None

Counties Franklin County, TN, Lincoln County, TN, Moore County, TN

The radar

The Northeast Alabama radar (KHTX), 38 km from the middle of the area, began a volume at 15:52 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 areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Huntsville, AL wrote its last area forecast discussion before this areal flood warning went out at Mar 31, 9:48 AM CDT, 1 hour 3 minutes earlier.

Area forecast discussion, Mar 31, 9:48 AM CDT, 1 hour 3 minutes before

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Hazardous weather outlook, Mar 31, 3:21 AM CDT, 7 hours 30 minutes before

Hazardous Weather Outlook
National Weather Service Huntsville AL
321 AM CDT Wed Mar 31 2021

ALZ001>010-016-TNZ076-096-097-312330-
Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan-
Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN-
321 AM CDT Wed Mar 31 2021

This Hazardous Weather Outlook is for north Alabama and portions of
southern middle Tennessee.

.DAY ONE...Today and Tonight...

Widespread heavy rainfall is expected today across the forecast area.
Rainfall amounts of 1 to 3 inches with locally higher amounts will
lead to flash flooding and continued rises along area rivers and
streams. A flash flood watch continues until 7 PM this evening.

Additionally, strong to severe storms will be possible this morning
as a cold front approaches from the west. The main threat with these
storms will be damaging wind gusts.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday...

Unseasonably cold morning temperatures are forecast Thursday through
Saturday, with frost possible each morning. The coldest morning will
be Friday when a hard freeze is expected with lows in the mid 20s in
southern Tennessee and upper 20s to around 30 degrees in north
Alabama.

.SPOTTER INFORMATION STATEMENT...

Activation of storm spotters and emergency management personnel is
not anticipated at this time.

In the hours before

Special weather statement, Mar 31, 7:36 AM CDT, 3 hours 15 minutes before

Special Weather Statement
National Weather Service Huntsville AL
736 AM CDT Wed Mar 31 2021

ALZ016-311315-
Cullman AL-
736 AM CDT Wed Mar 31 2021

...SIGNIFICANT WEATHER ADVISORY FOR CULLMAN COUNTY UNTIL 815 AM
CDT...

At 735 AM CDT, Doppler radar was tracking a line of strong
thunderstorms near Smith Dam, or 10 miles north of Sumiton, moving
east at 50 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Cullman, Hanceville, Good Hope, Holly Pond, Dodge City, Baldwin,
Garden City, Colony, Phelan and Walter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Strong gusty winds will be capable of knocking down small tree limbs
along with other small unsecured items. Seek safe shelter until this
storm has passed.

&&

LAT...LON 3389 8701 3390 8710 3392 8708 3399 8715
      3399 8711 3421 8711 3420 8655 3412 8660
      3412 8663 3409 8668 3409 8669 3405 8668
      3406 8671 3403 8670 3395 8679 3396 8682
      3391 8692 3387 8693 3386 8699
TIME...MOT...LOC 1235Z 272DEG 52KT 3391 8706

McCoy

Local storm report, Mar 31, 9:31 AM CDT, 1 hour 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
931 AM CDT WED MAR 31 2021

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

0700 AM     FLASH FLOOD      1 ENE DECHERD           35.21N 86.08W
03/31/2021                   FRANKLIN           TN   EMERGENCY MNGR

            WATER COVERING NORTH 2ND STREET AND MILL
            STREET. ROADS IMPASSIBLE.

&&

Local storm report, Mar 31, 9:33 AM CDT, 1 hour 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
933 AM CDT WED MAR 31 2021

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

0700 AM     FLASH FLOOD      5 W WINCHESTER          35.18N 86.19W
03/31/2021                   FRANKLIN           TN   EMERGENCY MNGR

            WATER COVERING HIGHWAY 50 AT OWLS HOLLOW
            ROAD.

&&

Local storm report, Mar 31, 9:35 AM CDT, 1 hour 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
935 AM CDT WED MAR 31 2021

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

0745 AM     FLASH FLOOD      7 NE WOODVILLE          34.68N 86.19W
03/31/2021                   JACKSON            AL   EMERGENCY MNGR

            APPROXIMATELY 6 INCHES OF WATER COVERING
            COUNTY ROAD 30 IN MULTIPLE LOCATIONS,
            INCLUDING COUNTY ROAD 119.

&&

Local storm report, Mar 31, 9:38 AM CDT, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
938 AM CDT WED MAR 31 2021

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

0750 AM     FLASH FLOOD      3 W HOLLYWOOD           34.72N 86.03W
03/31/2021                   JACKSON            AL   EMERGENCY MNGR

            APPROXIMATELY 6 TO 8 INCHES OF WATER
            COVERING COUNTY ROAD 105 NEAR COUNTY ROAD
            21.

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 3:38 AM CDT	Special Weather Statement	HUN	Marshall	52 min
Mar 31, 3:56 AM CDT	Special Weather Statement	HUN	Morgan	49 min
Mar 31, 4:59 AM CDT	Areal Flood Warning	HUN	Jackson	3 hr
Mar 31, 6:21 AM CDT	Areal Flood Warning	HUN	Cullman	3 hr
Mar 31, 7:21 AM CDT	Flash Flood Warning	HUN	Cullman	6 hr
Mar 31, 7:30 AM CDT	Flash Flood Warning	HUN	Jackson, Marshall	4 hr
Mar 31, 7:36 AM CDT	Special Weather Statement	HUN	Cullman	39 min
Mar 31, 8:49 AM CDT	Flash Flood Warning	HUN	Madison, Marshall, Morgan	3 hr
Mar 31, 9:41 AM CDT	Flash Flood Warning	HUN	DeKalb, Jackson, Marshall	119 min
Mar 31, 11:35 AM CDT	Areal Flood Warning	HUN	DeKalb, Jackson, Madison, Marshall, Morgan	6 hr
Mar 31, 1:06 PM CDT	Areal Flood Warning	HUN	Cullman	5 hr
Mar 31, 1:42 PM CDT	River Flood Warning	HUN	Madison, Marshall, Morgan	55 hr
Mar 31, 1:52 PM CDT	Freeze Watch	HUN	Colbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more	13 hr
Mar 31, 1:52 PM CDT	Freeze Warning	HUN	Colbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more	42 hr
Mar 31, 5:29 PM CDT	Areal Flood Warning	HUN	DeKalb	3 hr
Mar 31, 6:18 PM CDT	Areal Flood Warning	HUN	Cullman	18 hr
Mar 31, 3:14 AM CDT	Areal Flood Warning	HUN	Franklin, Lincoln, Moore	5 hr
Mar 31, 7:52 AM CDT	Flash Flood Warning	HUN	Franklin, Lincoln, Moore	3 hr
Mar 31, 11:02 AM CDT	River Flood Warning	HUN	Franklin, Lincoln	22 hr
Mar 31, 1:52 PM CDT	Freeze Warning	HUN	Franklin, Lincoln, Moore	17 hr

Nearby

Areal Flood Warnings in Tennessee, 2021 Every areal flood warning in 2021

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.