Alert archive / Alabama / River Flood Warnings in 2018

River Flood Warning 11, NWS Huntsville, AL

February 28, 2018Colbert County, Lauderdale County, Alabama

NWS Huntsville, AL issued this river flood warning at Feb 28, 2018, 2:17 PM CST for Colbert County, Lauderdale County, Alabama. It took effect at Mar 1, 2018, 12:19 AM CST. It was in force for 6 days.

The area

The counties it named.

The facts

Issued: Feb 28, 2018, 2:17 PM CST (20:17 UTC)
In effect from: Mar 1, 2018, 12:19 AM CST
Expired: Mar 7, 2018, 3:49 AM CST
In force: 6 days
Issued by: NWS Huntsville, AL
Area: Storm-based polygon
Flood severity: Minor

Counties Colbert County, AL, Lauderdale County, AL

The radar

The Columbus AFB radar (KGWX), 115 km from the middle of the area, began a volume at 20:20 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 Tennessee River at Florence (FLOA1).

Action stage: 16 ft
Minor stage: 18 ft
Moderate stage: 27 ft
Major stage: 32 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 2440E77C, 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 Huntsville, AL wrote its last area forecast discussion before this river flood warning went out at Feb 28, 1:51 PM CST, 26 minutes earlier.

Area forecast discussion, Feb 28, 1:51 PM CST, 26 minutes before

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Hazardous weather outlook, Feb 28, 1:40 PM CST, 37 minutes before

Hazardous Weather Outlook
National Weather Service Huntsville AL
140 PM CST Wed Feb 28 2018

ALZ001>010-016-TNZ076-096-097-011100-
Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan-
Marshall-Jackson-De Kalb-Cullman-Moore-Lincoln-Franklin TN-
140 PM CST Wed Feb 28 2018

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

.DAY ONE...Tonight...

Additional rainfall of 1 to 2 inches is expected from this afternoon
through tonight, with locally higher amounts possible. River and
areal flooding is expected, with isolated flash flooding possible. A
Flood Watch is in effect through Thursday.

Isolated strong to severe thunderstorms are possible late this
afternoon and evening, mainly along and south of Highway 72 and west
of I-65. These thunderstorms may be capable of strong winds.

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

Another round of showers and thunderstorms will move through with a
cold front on Thursday morning into the early afternoon. This will
bring up to an additional 1 to 2 inches of rain.  This will bring
storm total rainfall amounts into the 2 to 5 inch range. River and
areal flooding will continue on Thursday and possibly linger into
this weekend. A Flood Watch continues through Thursday. In addition,
a few of the thunderstorms could be strong producing gusty winds.

.SPOTTER CALL TO ACTION STATEMENT...

Activation of storm spotters and emergency management personnel is
possible today through Thursday for flooding, and perhaps isolated
strong to severe thunderstorms.

In the hours before

Local storm report, Feb 28, 9:25 AM CST, 4 hours 52 minutes before

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Local storm report, Feb 28, 9:27 AM CST, 4 hours 50 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 8:57 AM CST	Areal Flood Warning	HUN	Colbert, Lauderdale, Lawrence, Limestone	12 hr
Feb 28, 9:51 AM CST	River Flood Warning	HUN	Madison	61 hr
Feb 28, 9:52 AM CST	River Flood Warning	HUN	Jackson, Madison, Marshall	3 days
Feb 28, 9:54 AM CST	River Flood Warning	HUN	Lawrence	72 hr
Feb 28, 10:08 AM CST	Areal Flood Warning	HUN	Madison	24 hr
Feb 28, 2:19 PM CST	River Flood Warning	HUN	Madison, Marshall, Morgan	4 days
Feb 28, 3:09 PM CST	Special Weather Statement	HUN	Lawrence	66 min
Feb 28, 4:12 PM CST	Special Weather Statement	HUN	Morgan	63 min
Feb 28, 4:41 PM CST	Special Weather Statement	HUN	Cullman	34 min
Feb 28, 5:11 PM CST	Special Weather Statement	HUN	Marshall	34 min
Feb 28, 5:36 PM CST	Flash Flood Warning	HUN	Colbert, Franklin, Lawrence	3 hr
Feb 28, 5:56 PM CST	Special Weather Statement	HUN	Marshall	34 min
Feb 28, 9:06 AM CST	Areal Flood Warning	HUN	Franklin, Lincoln, Moore	14 hr
Feb 28, 9:18 AM CST	River Flood Warning	HUN	Franklin, Lincoln	48 hr

Nearby

River Flood Warnings in Alabama, 2018 Every river flood warning 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; the gauge from the NWS water service and the USGS.