Alert archive / Missouri / River Flood Warnings in 2021

River Flood Warning 145, NWS St. Louis, MO

December 18, 2021Reynolds County, Missouri

NWS St. Louis, MO issued this river flood warning at Dec 18, 2021, 5:14 AM CST for Reynolds County, Missouri. It was in force for 28 hr.

The area

The outline as issued.

The facts

Issued: Dec 18, 2021, 5:14 AM CST (11:14 UTC)
Expired: Dec 19, 2021, 9:31 AM CST
In force: 28 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon

County Reynolds County, MO

The radar

The St Louis radar (KLSX), 150 km from the middle of the area, began a volume at 11:15 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 Black River near Annapolis (ANNM7). The gauge peaked at 10.66 ft at Dec 18, 2021, 5:00 PM CST.

Action stage: 6 ft
Minor stage: 8 ft
Moderate stage: 15 ft
Major stage: 25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07061500, 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.

507 
WGUS43 KLSX 181114
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
514 AM CST Sat Dec 18 2021

...The National Weather Service in St Louis MO has issued a Flood 
Warning for the following river in Missouri...

  Black River near Annapolis.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Rainfall heavier than forecast could cause river levels to rise even 
higher than predicted. The NationalWeather Service will monitor this 
developing situation and issue follow up statements as conditions 
change.

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

&&

MOC179-192315-
/O.NEW.KLSX.FL.W.0145.211218T1114Z-000000T0000Z/
/ANNM7.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
514 AM CST Sat Dec 18 2021

...FLOOD WARNING IN EFFECT FROM EARLY THIS MORNING UNTIL FURTHER 
NOTICE...

* WHAT...The river is currently rising and expected to crest around 
  noon on Saturday around 9.0 feet. It will fall below flood stage 
  around 6 PM on Saturday.

* WHERE...Black River near Annapolis.

* WHEN...From early this morning until further notice.

* IMPACTS...At 8.0 feet, Annapolis Road on the east bank of the 
  Black River south of Lesterville begins flooding close to this 
  height.  This is the only road directly connecting Annapolis and 
  Lesterville.

* ADDITIONAL DETAILS...
  - At 4:15 AM CST Saturday the stage was 7.6 feet.
  - Forecast...The river is expected to rise to a crest of 9.0
    feet this afternoon.
  - Flood stage is 8.0 feet.


&&

           Fld   Observed        Forecasts (6 am CST)
Location   Stg   Stg   Day/Time  Sun   Mon   Tue   Wed   Thu

Black River
Annapolis  8.0   7.6   Sat 4 am  4.8   3.9   3.7   3.7   MSG


&&

LAT...LON 3743 9087 3745 9078 3724 9074 3724 9079


$$

MRM

6 follow-up statements

908 
WGUS43 KLSX 181206
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
606 AM CST Sat Dec 18 2021

...Forecast flooding changed to Minor severity and increased in 
duration for the following rivers in Missouri...

  Black River near Annapolis.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Rainfall heavier than forecast could cause river levels to rise even 
higher than predicted. The NationalWeather Service will monitor this 
developing situation and issue follow up statements as conditions 
change.

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

&&

MOC179-191800-
/O.EXT.KLSX.FL.W.0145.000000T0000Z-211219T1800Z/
/ANNM7.1.ER.211218T1052Z.211218T1800Z.211218T2356Z.NO/
606 AM CST Sat Dec 18 2021

...FLOOD WARNING REMAINS IN EFFECT FROM THIS MORNING THROUGH SUNDAY 
MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Black River near Annapolis.

* WHEN...Until early tomorrow afternoon.

* IMPACTS...At 9.0 feet, County Road 372 will begin flooding near 
  this height.

* ADDITIONAL DETAILS...
  - At 5:15 AM CST Saturday the stage was 8.2 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 5:15 AM CST Saturday was 8.2 feet.
  - Forecast...The river is expected to rise to a crest of 9.0
    feet this afternoon. It will then fall below flood stage late
    this afternoon.
  - Flood stage is 8.0 feet.


&&

           Fld   Observed        Forecasts (6 am CST)
Location   Stg   Stg   Day/Time  Sun   Mon   Tue   Wed   Thu

Black River
Annapolis  8.0   8.2   Sat 5 am  5.2   4.0   3.7   3.7   MSG


&&

LAT...LON 3743 9087 3745 9078 3724 9074 3724 9079


$$

BRC

068 
WGUS83 KLSX 181226
FLSLSX

Flood Statement
National Weather Service St Louis MO
626 AM CST Sat Dec 18 2021

...The Flood Warning is extended for the following river in 
Missouri...

  Black River near Annapolis.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Rainfall heavier than forecast could cause river levels to rise even 
higher than predicted. The NationalWeather Service will monitor this 
developing situation and issue follow up statements as conditions 
change.

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

&&

MOC179-200030-
/O.EXT.KLSX.FL.W.0145.000000T0000Z-211220T1230Z/
/ANNM7.1.ER.211218T1052Z.211218T1800Z.211219T0630Z.NO/
626 AM CST Sat Dec 18 2021

...FLOOD WARNING NOW IN EFFECT FROM THIS MORNING THROUGH MONDAY 
MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Black River near Annapolis.

* WHEN...Until Monday morning.

* IMPACTS...At 9.0 feet, County Road 372 will begin flooding near 
  this height.

* ADDITIONAL DETAILS...
  - At 5:15 AM CST Saturday the stage was 8.2 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 5:15 AM CST Saturday was 8.2 feet.
  - Forecast...The river is expected to rise to a crest of 10.0
    feet this afternoon. It will then fall below flood stage just
    after midnight tonight.
  - Flood stage is 8.0 feet.


&&

           Fld   Observed        Forecasts (6 am CST)
Location   Stg   Stg   Day/Time  Sun   Mon   Tue   Wed   Thu

Black River
Annapolis  8.0   8.2   Sat 5 am  6.9   4.5   4.0   4.0   4.0


&&

LAT...LON 3743 9087 3745 9078 3724 9074 3724 9079


$$

MRM

291 
WGUS83 KLSX 181533
FLSLSX

Flood Statement
National Weather Service St Louis MO
933 AM CST Sat Dec 18 2021

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

  Black River near Annapolis.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Rainfall heavier than forecast could cause river levels to rise even 
higher than predicted. The NationalWeather Service will monitor this 
developing situation and issue follow up statements as conditions 
change.

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

&&

MOC179-191200-
/O.EXT.KLSX.FL.W.0145.000000T0000Z-211219T1200Z/
/ANNM7.1.ER.211218T1052Z.211218T1800Z.211219T0630Z.NO/
933 AM CST Sat Dec 18 2021

...FLOOD WARNING NOW IN EFFECT FROM THIS MORNING THROUGH LATE 
TONIGHT...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Black River near Annapolis.

* WHEN...Until tomorrow morning.

* IMPACTS...At 9.0 feet, County Road 372 will begin flooding near 
  this height.

* ADDITIONAL DETAILS...
  - At 5:15 AM CST Saturday the stage was 8.2 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 5:15 AM CST Saturday was 8.2 feet.
  - Forecast...The river is expected to rise to a crest of 10.0
    feet this afternoon. It will then fall below flood stage just
    after midnight tonight.
  - Flood stage is 8.0 feet.


&&

           Fld   Observed        Forecasts (12 pm CST)
Location   Stg   Stg   Day/Time  Sun   Mon   Tue   Wed   Thu

Black River
Annapolis  8.0   8.2   Sat 5 am  6.0   4.3   4.0   4.0   MSG


&&

LAT...LON 3743 9087 3745 9078 3724 9074 3724 9079


$$

Maples

156 
WGUS83 KLSX 182326
FLSLSX

Flood Statement
National Weather Service St Louis MO
526 PM CST Sat Dec 18 2021

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

  Black River near Annapolis.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

&&

MOC179-191800-
/O.EXT.KLSX.FL.W.0145.000000T0000Z-211219T1800Z/
/ANNM7.1.ER.211218T1052Z.211219T0000Z.211219T1625Z.NO/
526 PM CST Sat Dec 18 2021

...FLOOD WARNING NOW IN EFFECT FROM THIS AFTERNOON THROUGH SUNDAY 
MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Black River near Annapolis.

* WHEN...Until early tomorrow afternoon.

* ADDITIONAL DETAILS...
  - At 4:15 PM CST Saturday the stage was 10.6 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 4:15 PM CST Saturday was 10.6 feet.
  - Forecast...The river is expected to rise to a crest of 11.0
    feet this evening. It will then fall below flood stage late
    tomorrow morning.
  - Flood stage is 8.0 feet.


&&

           Fld   Observed        Forecasts (6 pm CST)
Location   Stg   Stg   Day/Time  Sun   Mon   Tue   Wed   Thu

Black River
Annapolis  8.0   10.6  Sat 4 pm  5.9   4.7   4.3   4.3   MSG


&&

LAT...LON 3743 9087 3745 9078 3724 9074 3724 9079


$$

MRB

699 
WGUS83 KLSX 190114
FLSLSX

Flood Statement
National Weather Service St Louis MO
714 PM CST Sat Dec 18 2021

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

  Black River near Annapolis.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

&&

MOC179-191800-
/O.CON.KLSX.FL.W.0145.000000T0000Z-211219T1800Z/
/ANNM7.1.ER.211218T1052Z.211218T2345Z.211219T1408Z.NO/
714 PM CST Sat Dec 18 2021

...FLOOD WARNING REMAINS IN EFFECT FROM THIS EVENING THROUGH SUNDAY 
MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Black River near Annapolis.

* WHEN...Until early tomorrow afternoon.

* IMPACTS...At 9.0 feet, County Road 372 will begin flooding near 
  this height.

* ADDITIONAL DETAILS...
  - At 6:15 PM CST Saturday the stage was 10.7 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 6:15 PM CST Saturday was 10.7 feet.
  - Forecast...The river is expected to fall below flood stage
    tomorrow morning and continue falling to 4.1 feet Thursday
    evening.
  - Flood stage is 8.0 feet.


&&

           Fld   Observed        Forecasts (6 pm CST)
Location   Stg   Stg   Day/Time  Sun   Mon   Tue   Wed   Thu

Black River
Annapolis  8.0   10.7  Sat 6 pm  6.2   4.6   4.3   4.2   4.1


&&

LAT...LON 3743 9087 3745 9078 3724 9074 3724 9079


$$

MRB

097 
WGUS83 KLSX 191531
FLSLSX

Flood Statement
National Weather Service St Louis MO
931 AM CST Sun Dec 19 2021

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

  Black River near Annapolis.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 hours.

MOC179-191645-
/O.CAN.KLSX.FL.W.0145.000000T0000Z-211219T1531Z/
/ANNM7.1.ER.211218T1052Z.211218T2345Z.211219T1408Z.NO/
931 AM CST Sun Dec 19 2021

...FLOOD WARNING IS CANCELLED...

The Flood Warning is cancelled for
  the Black River near Annapolis.

* ADDITIONAL DETAILS...
  - At 8:15 AM CST Sunday the stage was 7.9 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 8:15 AM CST Sunday was 7.9 feet.
  - Forecast...The river is expected to fall to 4.2 feet Thursday
    morning.


&&

           Fld   Observed        Forecasts (12 pm CST)
Location   Stg   Stg   Day/Time  Mon   Tue   Wed   Thu 

Black River
Annapolis  8.0   10.7  Sat 6 pm  5.2   4.5   4.3   4.2 


&&

LAT...LON 3743 9087 3745 9078 3724 9074 3724 9079


$$

Maples

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 18, 4:11 AM CST	Areal Flood Advisory	LSX	Iron, Madison, Reynolds	3 hr

Nearby

River Flood Warnings in Missouri, 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; the gauge from the NWS water service and the USGS.