Alert archive / Alabama / River Flood Warnings in 2021

River Flood Warning 21, NWS Huntsville, AL

September 19, 2021Madison County, Alabama

NWS Huntsville, AL issued this river flood warning at Sep 19, 2021, 9:03 PM CDT for Madison County, Alabama. It was in force for 12 hr.

The area

The outline as issued.

The facts

Issued: Sep 19, 2021, 9:03 PM CDT (02:03 UTC)
Expired: Sep 20, 2021, 8:39 AM CDT
In force: 12 hr
Issued by: NWS Huntsville, AL
Area: Storm-based polygon
Flood severity: Minor

County Madison County, AL

The radar

The Northeast Alabama radar (KHTX), 44 km from the middle of the area, began a volume at 02:04 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 text

As transmitted.

674 
WGUS44 KHUN 200203
FLWHUN

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Huntsville AL
903 PM CDT Sun Sep 19 2021

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

  Flint River NEAR Chase affecting Madison County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

&&


ALC089-201415-
/O.NEW.KHUN.FL.W.0021.210920T0203Z-210920T1449Z/
/CHSA1.1.ER.000000T0000Z.210920T0600Z.210920T0848Z.NO/
903 PM CDT Sun Sep 19 2021

The National Weather Service in Huntsville has issued a

* Flood Warning for
  the Flint River NEAR Chase.
* From this evening to late tomorrow morning.
* There is no current observed data.
* Flood stage is 16.0 feet.
* Minor flooding is forecast.
* Forecast...The river is in minor flood stage and expected to fall 
  below flood stage early Monday morning.
* Impact...At 16.0 feet, Flooding of low lying farm and pastureland 
  occurs.
* Flood History...This crest compares to a previous crest of 17.4 
  feet on 05/04/1993.


&&

LAT...LON 3485 8654 3485 8636 3461 8639 3447 8647
      3454 8655

$$

MA

2 follow-up statements

449 
WGUS84 KHUN 201115
FLSHUN

Flood Statement
National Weather Service Huntsville AL
615 AM CDT Mon Sep 20 2021

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

  Flint River NEAR Chase affecting Madison County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Even 6 inches of fast-moving flood water can knock you off your feet 
and a depth of 2 feet will float your car. Never try to walk, swim, 
or drive through such swift water. If you come upon flood waters, 
stop, turn around and go another way.

Additional information is available at www.weather.gov.

&&


ALC089-202145-
/O.EXT.KHUN.FL.W.0021.000000T0000Z-210920T2142Z/
/CHSA1.1.ER.000000T0000Z.210920T1200Z.210920T1542Z.NO/
615 AM CDT Mon Sep 20 2021

...The Flood Warning is now in effect until late this afternoon...

The Flood Warning continues for
  the Flint River NEAR Chase.
* Until late this afternoon.
* There is no current observed data.
* Flood stage is 16.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage this 
  afternoon and continue falling to 5.6 feet early Saturday morning.
* Flood History...This crest compares to a previous crest of 18.1 
  feet on 07/04/1936.


&&

LAT...LON 3485 8654 3485 8636 3461 8639 3447 8647
      3454 8655

$$

AMP

398 
WGUS84 KHUN 201339
FLSHUN

Flood Statement
National Weather Service Huntsville AL
839 AM CDT Mon Sep 20 2021

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

  Flint River NEAR Chase affecting Madison County.

ALC089-201445-
/O.CAN.KHUN.FL.W.0021.000000T0000Z-210920T1339Z/
/CHSA1.1.ER.000000T0000Z.210920T1200Z.210920T1542Z.NO/
839 AM CDT Mon Sep 20 2021

...The Flood Warning for the Flint River NEAR Chase has been 
cancelled...

The Flood Warning is cancelled for
  the Flint River NEAR Chase.
* There is no current observed data.
* Flood stage is 16.0 feet.
* This was issued by mistake last night and since there is no 
  observed data the warning will be canceled
* Forecast...The river is expected to fall below flood stage late 
  this morning and continue falling to 5.6 feet early Saturday 
  morning.


&&

LAT...LON 3485 8654 3485 8636 3461 8639 3447 8647
      3454 8655

$$

GH

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 19, 9:39 PM CDT	Areal Flood Warning	HUN	Madison	3 hr
Sep 20, 12:55 AM CDT	Areal Flood Warning	HUN	Madison	4 hr
Sep 20, 5:01 AM CDT	Areal Flood Warning	HUN	Madison	3 hr
Sep 20, 3:34 PM CDT	Areal Flood Warning	HUN	DeKalb	3 hr
Sep 20, 4:23 PM CDT	Flash Flood Warning	HUN	DeKalb	90 min

Nearby

River Flood Warnings in Alabama, 2021 Every 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.