Alert archive / Missouri / River Flood Warnings in 2020

River Flood Warning 39, NWS St. Louis, MO

January 18, 2020Gasconade County, Montgomery County, Missouri

NWS St. Louis, MO issued this river flood warning at Jan 18, 2020, 11:33 AM CST for Gasconade County, Montgomery County, Missouri. It took effect at Jan 18, 2020, 12:00 PM CST. It was in force for 50 hr.

The area

The outline as issued.

The facts

Issued
Jan 18, 2020, 11:33 AM CST (17:33 UTC)
In effect from
Jan 18, 2020, 12:00 PM CST
Expired
Jan 20, 2020, 2:01 PM CST
In force
50 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
Minor

Counties Gasconade County, MO, Montgomery County, MO

The radar

The St Louis radar (KLSX), 76 km from the middle of the area, began a volume at 17:31 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.

112 
WGUS43 KLSX 181733
FLWLSX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
1133 AM CST Sat Jan 18 2020

...The National Weather Service in St. Louis has issued a flood 
warning for the Missouri Rivers in Missouri...
 

                   ...at Gasconade
                   ...at Hermann
                   

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Safety message:  Never drive cars, trucks, or sport utility vehicles 
through flooded areas.  The water may be too deep to allow for safe 
passage.

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

&&

MOC073-139-192332-
/O.NEW.KLSX.FL.W.0039.200118T1800Z-200122T0400Z/
/GSCM7.1.ER.200118T1800Z.200119T1200Z.200120T1600Z.NO/
1133 AM CST Sat Jan 18 2020

The National Weather Service in St. Louis has issued a 

* Flood Warning for 
  the Missouri River at Gasconade
* until Tuesday evening.
* At  7:30 AM Thursday the stage was 21.4 feet.
* Flood stage is 22.0 feet.
* Minor flooding is forecast.
* The river is forecast to rise above flood stage by this afternoon 
  and crest near 23.9 feet by tomorrow morning. The river is forecast
  to fall below flood stage by late Monday morning.
* Impact:  At 24.5 feet...Southern portions of Old Rock Road and 
  Twisters Road south of Rhineland begin flooding near this height.

&&
                   Fld   Latest              6 a.m. Forecast
LOCATION           Stg  Obs Stg     01/19  01/20  01/21  01/22  01/23

Missouri River
  Gasconade       22.0   21.40      23.9   22.4   20.3   18.4   17.1

&&

LAT...LON 3872 9150 3869 9150 3866 9156 3868 9164
      3873 9164                       


$$

MOC073-139-192331-
/O.NEW.KLSX.FL.W.0040.200119T0200Z-200121T1400Z/
/HRNM7.1.ER.200119T0200Z.200119T1200Z.200120T0800Z.NO/
1133 AM CST Sat Jan 18 2020

The National Weather Service in St. Louis has issued a 

* Flood Warning for 
  the Missouri River at Hermann
* from this evening to Tuesday morning.
* At 10:30 AM Saturday the stage was 20.0 feet.
* Flood stage is 21.0 feet.
* Minor flooding is forecast.
* The river is forecast to rise above flood stage by this evening and
  crest near 21.7 feet by tomorrow morning. The river is forecast to 
  fall below flood stage by early Monday morning.
* Impact:  At 21.0 feet...Minor flooding of cropland begins...
  particularly just north of the Highway 19 bridge along the Loutre 
  River.

&&
                   Fld   Latest              6 a.m. Forecast
LOCATION           Stg  Obs Stg     01/19  01/20  01/21  01/22  01/23

Missouri River
  Hermann         21.0   19.95      21.7   20.8   19.4   17.9   16.1

&&

LAT...LON 3875 9136 3866 9119 3861 9123 3869 9150
      3872 9150                       


$$
4 follow-up statements
175 
WGUS83 KLSX 190249
FLSLSX
Flood Statement
National Weather Service St Louis MO
849 PM CST Sat Jan 18 2020

...The flood warning continues for the following rivers in 
Missouri...

 
  Missouri River at Gasconade

  Missouri River at Hermann

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Safety message:  Never drive cars, trucks, or sport utility vehicles 
through flooded areas.  The water may be too deep to allow for safe 
passage.

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

&&

MOC073-139-200248-
/O.EXT.KLSX.FL.W.0039.000000T0000Z-200122T0600Z/
/GSCM7.1.ER.200117T0705Z.200119T1200Z.200120T1800Z.NO/
849 PM CST Sat Jan 18 2020

The Flood Warning continues for
  the Missouri River at Gasconade
* until late Tuesday night.
* At  7:30 AM Thursday the stage was 21.4 feet.
* Flood stage is 22.0 feet.
* Minor flooding is forecast.
* Impact:  At 23.5 feet...The southern end of School House Road south 
  of Rhineland begins flooding near this height.

&&
                   Fld   Latest              6 a.m. Forecast
LOCATION           Stg  Obs Stg     01/19  01/20  01/21  01/22  01/23

Missouri River
  Gasconade       22.0   21.40      23.8   22.6   20.0   18.3   17.1


&&


LAT...LON 3872 9150 3869 9150 3866 9156 3868 9164
      3873 9164                       



$$

MOC073-139-200248-
/O.EXT.KLSX.FL.W.0040.000000T0000Z-200121T1424Z/
/HRNM7.1.ER.200118T2332Z.200119T1200Z.200120T0824Z.NO/
849 PM CST Sat Jan 18 2020

The Flood Warning continues for
  the Missouri River at Hermann
* until Tuesday morning.
* At  8:30 PM Saturday the stage was 21.3 feet.
* Flood stage is 21.0 feet.
* Minor flooding is forecast.
* The river is forecast to crest near 21.8 feet by tomorrow morning, 
  then fall below flood stage early Monday morning.
* Impact:  At 21.0 feet...Minor flooding of cropland begins...
  particularly just north of the Highway 19 bridge along the Loutre 
  River.

&&
                   Fld   Latest              6 a.m. Forecast
LOCATION           Stg  Obs Stg     01/19  01/20  01/21  01/22  01/23

Missouri River
  Hermann         21.0   21.29      21.8   20.7   19.0   17.6   16.1


&&


LAT...LON 3875 9136 3866 9119 3861 9123 3869 9150
      3872 9150                       



$$
789 
WGUS83 KLSX 191605
FLSLSX

Flood Statement
National Weather Service St Louis MO
1005 AM CST Sun Jan 19 2020

...The flood warning continues for the following rivers in 
Missouri...
 
  Missouri River near Chamois
  Missouri River at Hermann
  Missouri River at Gasconade

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Safety message:  Never drive cars, trucks, or sport utility vehicles 
through flooded areas.  The water may be too deep to allow for safe 
passage.

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

&&

MOC027-151-202204-
/O.EXT.KLSX.FL.W.0044.000000T0000Z-200121T0800Z/
/CMSM7.1.ER.000000T0000Z.200119T1800Z.200119T2000Z.NO/
1005 AM CST Sun Jan 19 2020

The Flood Warning continues for
  the Missouri River near Chamois
* until late Monday night.
* Flood stage is 17.0 feet.
* The river is forecast to have a maximum value of 17.2 feet this 
  afternoon.
* Impact:  At 17.0 feet...Flood Stage:  Lower lying bottom land begins
  to flood.

&&
                   Fld   Latest              6 a.m. Forecast
LOCATION           Stg  Obs Stg     01/20  01/21  01/22  01/23  01/24

Missouri River
  Chamois         17.0              15.3   13.0   11.9   10.8    8.8

&&

LAT...LON 3871 9185 3873 9164 3868 9164 3855 9192
      3864 9198                       

$$

MOC073-139-202204-
/O.CON.KLSX.FL.W.0039.000000T0000Z-200122T0600Z/
/GSCM7.1.ER.200117T0927Z.200119T1800Z.200120T1800Z.NO/
1005 AM CST Sun Jan 19 2020

The Flood Warning continues for
  the Missouri River at Gasconade
* until late Tuesday night.
* At  7:30 AM Thursday the stage was 21.4 feet.
* Flood stage is 22.0 feet.
* Minor flooding is forecast.
* Impact:  At 23.5 feet...The southern end of School House Road south 
  of Rhineland begins flooding near this height.

&&
                   Fld   Latest              6 a.m. Forecast
LOCATION           Stg  Obs Stg     01/20  01/21  01/22  01/23  01/24

Missouri River
  Gasconade       22.0   21.40      22.6   20.0   18.3   17.1   15.0

&&

LAT...LON 3872 9150 3869 9150 3866 9156 3868 9164
      3873 9164                       

$$

MOC073-139-202204-
/O.EXT.KLSX.FL.W.0040.000000T0000Z-200121T0300Z/
/HRNM7.1.ER.200118T2332Z.200119T0730Z.200119T2100Z.NO/
1005 AM CST Sun Jan 19 2020

The Flood Warning continues for
  the Missouri River at Hermann
* until Monday evening.
* At  9:30 AM Sunday the stage was 21.2 feet.
* Flood stage is 21.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue falling to below flood stage by 
  late this afternoon.
* Impact:  At 21.0 feet...Minor flooding of cropland begins...
  particularly just north of the Highway 19 bridge along the Loutre 
  River.

&&
                   Fld   Latest              6 a.m. Forecast
LOCATION           Stg  Obs Stg     01/20  01/21  01/22  01/23  01/24

Missouri River
  Hermann         21.0   21.18      20.6   19.0   17.8   16.2   14.2

&&

LAT...LON 3875 9136 3866 9119 3861 9123 3869 9150
      3872 9150                       

$$
401 
WGUS83 KLSX 200115
FLSLSX
Flood Statement
National Weather Service St Louis MO
715 PM CST Sun Jan 19 2020

...The flood warning continues for the following rivers in 
Missouri...

 
  Missouri River at Gasconade

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Safety message:  Never drive cars, trucks, or sport utility vehicles 
through flooded areas.  The water may be too deep to allow for safe 
passage.

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

&&

MOC073-139-210114-
/O.EXT.KLSX.FL.W.0039.000000T0000Z-200121T1800Z/
/GSCM7.1.ER.200120T0600Z.000000T0000Z.200120T0600Z.NO/
715 PM CST Sun Jan 19 2020

The Flood Warning continues for
  the Missouri River at Gasconade
* until Tuesday afternoon.
* At  7:30 AM Thursday the stage was 21.4 feet.
* Flood stage is 22.0 feet.
* The river is expected to rise to near flood stage after midnight 
  tonight.
* Impact:  At 22.0 feet...Minor flooding of cropland begins.

&&
                   Fld   Latest              6 a.m. Forecast
LOCATION           Stg  Obs Stg     01/20  01/21  01/22  01/23  01/24

Missouri River
  Gasconade       22.0   21.40      21.3   19.0   17.7   16.3   14.3


&&


LAT...LON 3872 9150 3869 9150 3866 9156 3868 9164
      3873 9164                       



$$
219 
WGUS83 KLSX 202001
FLSLSX
Flood Statement
National Weather Service St Louis MO
201 PM CST Mon Jan 20 2020

...The flood warning is cancelled for the following rivers in 
Missouri...

 
  Missouri River at Gasconade

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Safety message:  Never drive cars, trucks, or sport utility vehicles 
through flooded areas.  The water may be too deep to allow for safe 
passage.

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

&&

MOC073-139-202031-
/O.CAN.KLSX.FL.W.0039.000000T0000Z-200121T1800Z/
/GSCM7.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
201 PM CST Mon Jan 20 2020

The Flood Warning is cancelled for
  the Missouri River at Gasconade.
* At  7:30 AM Thursday the stage was 21.4 feet.
* Flood stage is 22.0 feet.

&&
                   Fld   Latest              6 a.m. Forecast
LOCATION           Stg  Obs Stg     01/21  01/22  01/23  01/24  01/25

Missouri River
  Gasconade       22.0   21.40      18.0   16.1   15.1   14.5   13.6


&&


LAT...LON 3872 9150 3869 9150 3866 9156 3868 9164
      3873 9164                       



$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 18, 2:07 AM CSTRiver Flood WarningLSXOsage18 hr
Jan 18, 2:31 AM CSTAreal Flood AdvisoryLSXSaint Louis, City of Saint Louis3 hr
Jan 18, 7:07 AM CSTRiver Flood WarningLSXSaint Charles13 hr
Jan 18, 9:04 AM CSTRiver Flood WarningLSXLincoln17 hr
Jan 18, 10:34 AM CSTRiver Flood WarningLSXCrawford, Washington33 hr
Jan 18, 11:33 AM CSTRiver Flood WarningLSXGasconade, Montgomery68 hr
Jan 18, 12:13 PM CSTRiver Flood WarningLSXCole23 hr
Jan 18, 1:28 PM CSTRiver Flood WarningLSXJefferson, Saint Louis45 hr
Jan 18, 3:26 PM CSTWind Chill AdvisoryLSXKnox, Lewis20 hr
Jan 18, 5:37 PM CSTRiver Flood WarningLSXReynolds8 hr

Nearby

River Flood Warnings in Missouri, 2020Every river flood warning in 2020

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.