Alert archive / Alabama / River Flood Warnings in 2017

River Flood Warning 10, NWS Huntsville, AL

August 10, 2017Madison County, Alabama

NWS Huntsville, AL issued this river flood warning at Aug 10, 2017, 12:39 PM CDT for Madison County, Alabama. It took effect at Aug 10, 2017, 5:17 PM CDT. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Aug 10, 2017, 12:39 PM CDT (17:39 UTC)
In effect from
Aug 10, 2017, 5:17 PM CDT
Expired
Aug 11, 2017, 1:36 PM CDT
In force
20 hr
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Flood severity
Minor

County Madison County, AL

The radar

The Northeast Alabama radar (KHTX), 46 km from the middle of the area, began a volume at 17:42 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 Flint River (AL) at Brownsboro (BSBA1). The gauge peaked at 19.94 ft at Aug 11, 2017, 12:00 AM CDT.

actionminormoderate10152008/1008/1108/12
Action stage
15 ft
Minor stage
17 ft
Moderate stage
19 ft
Major stage
22 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03575100, 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 Aug 10, 9:23 AM CDT, 3 hours 16 minutes earlier.

Area forecast discussion, Aug 10, 9:23 AM CDT, 3 hours 16 minutes before
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Hazardous weather outlook, Aug 10, 5:26 AM CDT, 7 hours 13 minutes before
Hazardous Weather Outlook
National Weather Service Huntsville AL
526 AM CDT Thu Aug 10 2017

ALZ001>010-016-TNZ076-096-097-111100-
Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan-
Marshall-Jackson-De Kalb-Cullman-Moore-Lincoln-Franklin TN-
526 AM CDT Thu Aug 10 2017

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

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

Scattered to numerous thunderstorms are expected across the outlook
area later today, as a warm front moves northward across south
central Alabama. Some storms may produce gusty winds and locally
heavy downpours. Localized flooding may develop in areas which
receive multiple rounds of heavy rainfall. Thunderstorms will then
diminish in coverage later this evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday...

Scattered to numerous thunderstorms will continue into the weekend
period, as the warm front moves north of the area and weakens.
Another weak frontal boundary approaching the outlook area from the
northwest near the end of the weekend period, will maintain
scattered to numerous thunderstorms into Tuesday. The stronger storms
will be capable of gusty outflow winds and locally heavy rainfall.
Localized flash flooding also remains a possibility in locations
which receive multiple episodes of heavy rainfall and thunderstorms.
Thunderstorms will then begin to diminish Tuesday and Wednesday as
the next front moves south of the area.

.SPOTTER CALL TO ACTION STATEMENT...

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

In the hours before

Local storm report, Aug 10, 6:41 AM CDT, 5 hours 58 minutes before
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Local storm report, Aug 10, 6:52 AM CDT, 5 hours 47 minutes before
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Local storm report, Aug 10, 7:59 AM CDT, 4 hours 40 minutes before
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Local storm report, Aug 10, 8:07 AM CDT, 4 hours 32 minutes before
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Local storm report, Aug 10, 8:13 AM CDT, 4 hours 26 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 9:22 PM CDTSpecial Weather StatementHUNMorgan38 min
Aug 10, 1:53 AM CDTSpecial Weather StatementHUNMadison22 min
Aug 10, 2:18 AM CDTSpecial Weather StatementHUNMadison57 min
Aug 10, 4:36 AM CDTFlash Flood WarningHUNMadison3 hr
Aug 10, 6:29 AM CDTFlash Flood WarningHUNMadison3 hr
Aug 10, 4:40 PM CDTAreal Flood WarningHUNMadison6 hr

Nearby

River Flood Warnings in Alabama, 2017Every river flood warning in 2017

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.