Alert archive / Alabama / River Flood Warnings in 2021

River Flood Warning 7, NWS Huntsville, AL

March 19, 2021Madison County, Marshall County, Morgan County, Alabama

NWS Huntsville, AL issued this river flood warning at Mar 19, 2021, 1:10 PM CDT for Madison County, Marshall County, Morgan County, Alabama. It took effect at Mar 20, 2021, 3:22 AM CDT. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Mar 19, 2021, 1:10 PM CDT (18:10 UTC)
In effect from
Mar 20, 2021, 3:22 AM CDT
Expired
Mar 20, 2021, 6:18 AM CDT
In force
3 hr
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Flood severity
Minor

Counties Madison County, AL, Marshall County, AL, Morgan County, AL

The radar

The Northeast Alabama radar (KHTX), 67 km from the middle of the area, began a volume at 18:13 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 Whitesburg (WHIA1).

Action stage
15 ft
Minor stage
17 ft
Moderate stage
20 ft
Major stage
23 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 03575500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

635 
WGUS44 KHUN 191810
FLWHUN

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Huntsville AL
110 PM CDT Fri Mar 19 2021

...The National Weather Service in Huntsville AL has issued a Flood 
Warning for the following rivers in Alabama...

  Tennessee River AT Whitesburg affecting Madison, Marshall and 
  Morgan Counties.

For the TENNESSEE RIVER...including Whitesburg...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

Additional information is available at www.weather.gov.

&&


ALC089-095-103-200615-
/O.NEW.KHUN.FL.W.0007.210320T0822Z-210321T0624Z/
/WHIA1.1.ER.210320T0822Z.210320T1700Z.210320T1823Z.NO/
110 PM CDT Fri Mar 19 2021

The National Weather Service in Huntsville has issued a

* Flood Warning for
  the Tennessee River AT Whitesburg.
* From late tonight to late Saturday night.
* At 12:30 PM CDT Friday the stage was 15.2 feet.
* Flood stage is 17.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  tonight to a crest of 17.2 feet early tomorrow afternoon. It will 
  then fall below flood stage early tomorrow afternoon.
* Impact...At 17.0 feet, Lowland flooding begins. Some access roads 
  in the area become flooded. Water backed into Long Pond Slough 
  begins to approach roads on the Morgan County side of the river.
* Flood History...This crest compares to a previous crest of 17.3 
  feet on 03/05/1997.


&&

LAT...LON 3461 8653 3450 8646 3446 8659 3456 8696
      3467 8692

$$

09
2 follow-up statements
132 
WGUS84 KHUN 200057
FLSHUN

Flood Statement
National Weather Service Huntsville AL
757 PM CDT Fri Mar 19 2021

...The Flood Warning continues for the following rivers in Alabama...

  Tennessee River AT Whitesburg affecting Madison, Marshall and 
  Morgan Counties.

For the TENNESSEE RIVER...including Whitesburg, Florence...Minor 
flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Warning means that flooding is imminent or occurring. All 
interested parties should take necessary precautions immediately.

Additional information is available at www.weather.gov.

The next statement will be issued Saturday morning at 800 AM CDT.

&&


ALC089-095-103-201300-
/O.EXT.KHUN.FL.W.0007.210320T0822Z-210321T0623Z/
/WHIA1.1.ER.210320T0822Z.210320T1700Z.210320T1823Z.NO/
757 PM CDT Fri Mar 19 2021

...The Flood Warning is now in effect until early Sunday morning...

The Flood Warning continues for
  the Tennessee River AT Whitesburg.
* From late tonight to late Saturday night.
* At 7:30 PM CDT Friday the stage was 15.6 feet.
* Flood stage is 17.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  tonight to a crest of 17.2 feet early tomorrow afternoon. It will 
  then fall below flood stage early tomorrow afternoon.
* Impact...At 17.0 feet, Lowland flooding begins. Some access roads 
  in the area become flooded. Water backed into Long Pond Slough 
  begins to approach roads on the Morgan County side of the river.
* Flood History...This crest compares to a previous crest of 17.3 
  feet on 03/05/1997.


&&

LAT...LON 3461 8653 3450 8646 3446 8659 3456 8696
      3467 8692

$$

JMS
533 
WGUS84 KHUN 201118
FLSHUN

Flood Statement
National Weather Service Huntsville AL
618 AM CDT Sat Mar 20 2021

...The Flood Warning is cancelled for the following rivers in 
Alabama...

  Tennessee River AT Whitesburg affecting Madison, Marshall and 
  Morgan Counties.

ALC089-095-103-201230-
/O.CAN.KHUN.FL.W.0007.000000T0000Z-210320T1118Z/
/WHIA1.1.ER.210320T0822Z.210320T1700Z.210320T1823Z.NO/
618 AM CDT Sat Mar 20 2021

...The Flood Warning for the Tennessee River AT Whitesburg has been 
cancelled...

The Flood Warning is cancelled for
  the Tennessee River AT Whitesburg.
* At 6:00 AM CDT Saturday the stage was 15.6 feet.
* Flood stage is 17.0 feet.
* Forecast...The river is expected to remain around 15.6 feet 
  throughout the day and then gradually drop below action stage by 
  early Sunday morning.


&&

LAT...LON 3461 8653 3450 8646 3446 8659 3456 8696
      3467 8692

$$

AMP

Nearby

River Flood Warnings in Alabama, 2021Every river 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; the gauge from the NWS water service and the USGS.