Alert archive / Missouri / River Flood Warnings in 2021

River Flood Warning 75, NWS Kansas City, MO

May 20, 2021Buchanan County, Missouri

NWS Kansas City, MO issued this river flood warning at May 20, 2021, 9:18 PM CDT for Buchanan County, Missouri. It took effect at May 21, 2021, 4:11 PM CDT. It was in force for 28 hr.

The area

The outline as issued.

The facts

Issued: May 20, 2021, 9:18 PM CDT (02:18 UTC)
In effect from: May 21, 2021, 4:11 PM CDT
Expired: May 22, 2021, 8:16 PM CDT
In force: 28 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: Minor

County Buchanan County, MO

The radar

The Pleasant Hill radar (KEAX), 97 km from the middle of the area, began a volume at 02:21 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 Platte River near Agency (AGYM7). The gauge peaked at 22.07 ft at May 22, 2021, 7:00 AM CDT.

Action stage: 15 ft
Minor stage: 20 ft
Moderate stage: 25 ft
Major stage: 30 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06820500, 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.

122 
WGUS43 KEAX 210218
FLWEAX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
918 PM CDT Thu May 20 2021

...The National Weather Service in Pleasant Hill MO has issued a 
Flood Warning for the following rivers in Missouri...

  Platte River near Agency affecting Buchanan County.

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 www.weather.gov/kc/.

&&


MOC021-220230-
/O.NEW.KEAX.FL.W.0075.210521T2248Z-210523T2100Z/
/AGYM7.1.ER.210521T2248Z.210522T0600Z.210522T2100Z.NO/
918 PM CDT Thu May 20 2021

The National Weather Service in Pleasant Hill MO has issued a

* Flood Warning for
  the Platte River near Agency.
* From Friday afternoon to Sunday afternoon.
* At 8:30 PM CDT Thursday the stage was 10.7 feet.
* Flood stage is 20.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow afternoon to a crest of 21.7 feet early Saturday morning. 
  It will then fall below flood stage Saturday afternoon.
* Impact...At 20.0 feet, Low-lying areas east of Agency begin to 
  flood.


&&

LAT...LON 3977 9480 3977 9471 3951 9464 3941 9464
      3941 9472

$$

PP

6 follow-up statements

442 
WGUS83 KEAX 211232
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
732 AM CDT Fri May 21 2021

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

  Platte River near Agency affecting Buchanan County.

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 www.weather.gov/kc/.

&&


MOC021-221245-
/O.CON.KEAX.FL.W.0075.210521T2248Z-210523T2100Z/
/AGYM7.1.ER.210521T2041Z.210522T1200Z.210523T0013Z.NO/
732 AM CDT Fri May 21 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Platte River near Agency.
* From this afternoon to Sunday afternoon.
* At 6:30 AM CDT Friday the stage was 13.7 feet.
* Flood stage is 20.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this afternoon to a crest of 23.8 feet tomorrow morning. It will 
  then fall below flood stage tomorrow evening.
* Impact...At 20.0 feet, Low-lying areas east of Agency begin to 
  flood.
* Impact...At 25.0 feet, Flooding begins at the east border of 
  Agency.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Fri   Sat   Sun          
                                      1pm   1pm   1pm          
Platte River
Agency          20.0  13.7  Fri 6am   18.7  22.9  14.5         



&&

LAT...LON 3977 9480 3977 9471 3951 9464 3941 9464
      3941 9472

$$

SAW

765 
WGUS83 KEAX 211916
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
216 PM CDT Fri May 21 2021

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

  102 River at Rosendale affecting Buchanan and Andrew Counties.

  Platte River near Agency affecting Buchanan County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This product along with additional weather and stream information is 
available at www.weather.gov/kc/.

&&


MOC003-021-221930-
/O.EXT.KEAX.FL.W.0077.000000T0000Z-210523T0733Z/
/RSDM7.2.ER.210521T1152Z.210522T0000Z.210522T0733Z.NO/
216 PM CDT Fri May 21 2021

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

The Flood Warning continues for
  the 102 River at Rosendale.
* Until early Sunday morning.
* At 10:13 AM CDT Friday the stage was 18.5 feet.
* Flood stage is 18.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Forecast...The river is expected to rise to a crest of 19.6 feet 
  this evening. It will then fall below flood stage just after 
  midnight tonight.
* Impact...At 13.0 feet, Lowland agricultural flooding begins.
* Impact...At 18.0 feet, State Route 48 on the east side of 
  Rosendale is overtopped by flood waters.
* Impact...At 19.0 feet, State Route 48 on the east and west sides 
  of Rosendale is under water.
* Impact...At 20.0 feet, State Route 48 is flooded on the east and 
  west sides of town which prevents travel in or out of town.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Fri   Sat   Sun          
                                      7pm   7pm   7pm          
102 River
Rosendale       18.0  18.5  Fri 10am  19.6  11.7  7.7          



&&

LAT...LON 4013 9488 4013 9478 3977 9471 3977 9480
      4004 9486

$$

MOC021-221930-
/O.EXT.KEAX.FL.W.0075.210521T2111Z-210524T0117Z/
/AGYM7.1.ER.210521T2111Z.210522T1200Z.210523T0117Z.NO/
216 PM CDT Fri May 21 2021

...The Flood Warning is now in effect until Sunday evening...

The Flood Warning continues for
  the Platte River near Agency.
* Until Sunday evening.
* At 1:30 PM CDT Friday the stage was 18.9 feet.
* Flood stage is 20.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this afternoon to a crest of 23.1 feet tomorrow morning. It will 
  then fall below flood stage tomorrow evening.
* Impact...At 20.0 feet, Low-lying areas east of Agency begin to 
  flood.
* Impact...At 25.0 feet, Flooding begins at the east border of 
  Agency.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Fri   Sat   Sun          
                                      7pm   7pm   7pm          
Platte River
Agency          20.0  18.9  Fri 1pm   21.1  20.6  13.5         



&&

LAT...LON 3977 9480 3977 9471 3951 9464 3941 9464
      3941 9472

$$

SAW

320 
WGUS83 KEAX 220217
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
917 PM CDT Fri May 21 2021

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

  Marais Des Cygnes River at Osawatomie affecting Miami County.

  Platte River near Agency affecting Buchanan County.

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

  102 River at Maryville affecting Nodaway and Andrew Counties.

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

  102 River at Rosendale affecting Buchanan and Andrew Counties.

  Marais Des Cygnes River near Trading Post affecting Bates and 
  Linn KS Counties.

  Marais Des Cygnes River at La Cygne affecting Linn KS County.

MOC003-147-220330-
/O.CAN.KEAX.FL.W.0076.000000T0000Z-210522T0217Z/
/MYVM7.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
917 PM CDT Fri May 21 2021

...The Flood Warning for the 102 River at Maryville has been 
cancelled...

The Flood Warning is cancelled for
  the 102 River at Maryville.
* At 8:30 PM CDT Friday the stage was 12.8 feet.
* Flood stage is 18.0 feet.
* Forecast...The river is expected to fall to 7.4 feet Wednesday 
  evening.


&&

LAT...LON 4057 9477 4013 9478 4013 9488 4057 9488

$$

MOC003-021-230230-
/O.EXT.KEAX.FL.W.0077.000000T0000Z-210523T0715Z/
/RSDM7.2.ER.210521T1152Z.210521T2300Z.210522T0715Z.NO/
917 PM CDT Fri May 21 2021

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

The Flood Warning continues for
  the 102 River at Rosendale.
* Until early Sunday morning.
* At 6:00 PM CDT Friday the stage was 18.8 feet.
* Flood stage is 18.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Forecast...The river is expected to fall below flood stage just 
  after midnight tonight and continue falling to 3.5 feet Wednesday 
  evening.
* Impact...At 13.0 feet, Lowland agricultural flooding begins.
* Impact...At 18.0 feet, State Route 48 on the east side of 
  Rosendale is overtopped by flood waters.
* Impact...At 19.0 feet, State Route 48 on the east and west sides 
  of Rosendale is under water.
* Impact...At 20.0 feet, State Route 48 is flooded on the east and 
  west sides of town which prevents travel in or out of town.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Sat   Sun   Mon          
                                      1am   1am   1am          
102 River
Rosendale       18.0  18.8  Fri 6pm   18.4  8.6   5.7          



&&

LAT...LON 4013 9488 4013 9478 3977 9471 3977 9480
      4004 9486

$$

MOC021-230230-
/O.EXT.KEAX.FL.W.0075.000000T0000Z-210524T0118Z/
/AGYM7.1.ER.210521T2111Z.210522T1200Z.210523T0117Z.NO/
917 PM CDT Fri May 21 2021

...The Flood Warning is now in effect until Sunday evening...

The Flood Warning continues for
  the Platte River near Agency.
* Until Sunday evening.
* At 1:30 PM CDT Friday the stage was 18.9 feet.
* Flood stage is 20.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this afternoon to a crest of 23.1 feet tomorrow morning. It will 
  then fall below flood stage tomorrow evening.
* Impact...At 20.0 feet, Low-lying areas east of Agency begin to 
  flood.
* Impact...At 25.0 feet, Flooding begins at the east border of 
  Agency.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Fri   Sat   Sun          
                                      7pm   7pm   7pm          
Platte River
Agency          20.0  18.9  Fri 1pm   21.1  20.6  13.5         



&&

LAT...LON 3977 9480 3977 9471 3951 9464 3941 9464
      3941 9472

$$

KSC107-MOC013-230230-
/O.EXT.KEAX.FL.W.0070.000000T0000Z-210526T0808Z/
/TPOK1.2.ER.210520T2115Z.210524T0600Z.210525T0807Z.UU/
917 PM CDT Fri May 21 2021

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

The Flood Warning continues for
  the Marais Des Cygnes River near Trading Post.
* Until early Wednesday morning.
* At 8:45 PM CDT Friday the stage was 28.4 feet.
* Flood stage is 27.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Forecast...The river is expected to rise to a crest of 30.1 feet 
  early Monday morning. It will then fall below flood stage early 
  Tuesday morning.
* Impact...At 27.0 feet, Flooding of low-lying farmland occurs and 
  water begins to affect Stateline Road north of the gauge.

&&

                      Fld   Obs             Forecasts                
Location              Stg   Stg   Day/Time  Sat   Sun   Mon          
                                            1am   1am   1am          
Marais Des Cygnes River
Trading Post          27.0  28.4  Fri 8pm   28.6  29.0  30.1         



&&

LAT...LON 3826 9476 3826 9465 3824 9446 3817 9447
      3821 9470

$$

KSC107-230230-
/O.EXT.KEAX.FL.W.0067.000000T0000Z-210526T0020Z/
/LCGK1.2.ER.210517T1751Z.210523T1200Z.210525T0020Z.NO/
917 PM CDT Fri May 21 2021

...The Flood Warning is now in effect until Tuesday evening...

The Flood Warning continues for
  the Marais Des Cygnes River at La Cygne.
* Until Tuesday evening.
* At 9:01 PM CDT Friday the stage was 30.0 feet.
* Flood stage is 25.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Forecast...The river is expected to rise to a crest of 31.2 feet 
  Sunday morning. It will then fall below flood stage Monday evening.
* Impact...At 25.0 feet, Low lying farmland and other rural land 
  floods.
* Impact...At 30.0 feet, Highway 152 floods 0.75 miles west of La 
  Cygne. If Middle Creek is also flooding Highway 152, the only 
  route into or out of la cygne will be the County Road, or 4th 
  Street, leading north from La Cygne.

&&

                      Fld   Obs             Forecasts                
Location              Stg   Stg   Day/Time  Sat   Sun   Mon          
                                            1am   1am   1am          
Marais Des Cygnes River
La Cygne              25.0  30.0  Fri 9pm   30.0  31.1  30.4         



&&

LAT...LON 3839 9482 3839 9476 3826 9465 3826 9476
      3835 9483

$$

KSC121-230230-
/O.EXT.KEAX.FL.W.0066.000000T0000Z-210524T1533Z/
/OSMK1.1.ER.210517T1150Z.210522T0200Z.210523T1533Z.NO/
917 PM CDT Fri May 21 2021

...The Flood Warning is now in effect until late Monday morning...

The Flood Warning continues for
  the Marais Des Cygnes River at Osawatomie.
* Until late Monday morning.
* At 9:00 PM CDT Friday the stage was 37.3 feet.
* Flood stage is 28.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage late 
  Sunday morning and continue falling to 21.0 feet Wednesday evening.
* Impact...At 28.0 feet, Low-lying areas along the river begin to 
  flood.
* Impact...At 31.0 feet, 347th Road or Main Street east of Highway 
  169 is under water.
* Impact...At 39.0 feet, Many roads in the vicinity of Osawatomie 
  are under water. The water also reaches the bottom of the 
  Missouri-Pacific Railroad bridge.

&&

                      Fld   Obs             Forecasts                
Location              Stg   Stg   Day/Time  Sat   Sun   Mon          
                                            1am   1am   1am          
Marais Des Cygnes River
Osawatomie            28.0  37.3  Fri 9pm   37.2  32.4  21.8         



&&

LAT...LON 3856 9507 3850 9478 3839 9476 3839 9482
      3852 9507

$$

HB

345 
WGUS83 KEAX 221355
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
855 AM CDT Sat May 22 2021

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

  Platte River near Agency affecting Buchanan County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This product along with additional weather and stream information is 
available at www.weather.gov/kc/.

&&


MOC021-231400-
/O.EXT.KEAX.FL.W.0075.000000T0000Z-210523T2000Z/
/AGYM7.1.ER.210521T2111Z.210522T1145Z.210522T2000Z.NO/
855 AM CDT Sat May 22 2021

...The Flood Warning is now in effect until tomorrow afternoon...

The Flood Warning continues for
  the Platte River near Agency.
* Until tomorrow afternoon.
* At 8:30 AM CDT Saturday the stage was 22.0 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage late 
  this afternoon and continue falling to 8.8 feet Thursday morning.
* Impact...At 20.0 feet, Low-lying areas east of Agency begin to 
  flood.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Sat   Sun   Mon          
                                      1pm   1pm   1pm          
Platte River
Agency          20.0  22.0  Sat 8am   20.9  14.8  12.5         



&&

LAT...LON 3977 9480 3977 9471 3951 9464 3941 9464
      3941 9472

$$

Klaus

983 
WGUS83 KEAX 221827
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
127 PM CDT Sat May 22 2021

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

  Platte River near Agency affecting Buchanan County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This product along with additional weather and stream information is 
available at www.weather.gov/kc/.

&&


MOC021-231830-
/O.EXT.KEAX.FL.W.0075.000000T0000Z-210523T2243Z/
/AGYM7.1.ER.210521T2111Z.210522T1145Z.210522T2243Z.NO/
127 PM CDT Sat May 22 2021

...The Flood Warning is now in effect until tomorrow afternoon...

The Flood Warning continues for
  the Platte River near Agency.
* Until tomorrow afternoon.
* At 12:30 PM CDT Saturday the stage was 21.6 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring.
* Forecast...The river is expected to fall below flood stage late 
  this afternoon and continue falling to 8.2 feet early Thursday 
  afternoon.
* Impact...At 20.0 feet, Low-lying areas east of Agency begin to 
  flood.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Sat   Sun   Mon          
                                      7pm   7pm   7pm          
Platte River
Agency          20.0  21.6  Sat 12pm  19.6  12.6  10.5         



&&

LAT...LON 3977 9480 3977 9471 3951 9464 3941 9464
      3941 9472

$$

Klaus

687 
WGUS83 KEAX 230116
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
816 PM CDT Sat May 22 2021

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

  Platte River near Agency affecting Buchanan County.

MOC021-230230-
/O.CAN.KEAX.FL.W.0075.000000T0000Z-210523T0116Z/
/AGYM7.1.ER.210521T2111Z.210522T1145Z.210522T2328Z.NO/
816 PM CDT Sat May 22 2021

...The Flood Warning for the Platte River near Agency has been 
cancelled...

The Flood Warning is cancelled for
  the Platte River near Agency.
* At 7:30 PM CDT Saturday the stage was 19.6 feet.
* Flood stage is 20.0 feet.
* Forecast...The river is expected to fall to 8.4 feet Thursday 
  evening.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Sun   Mon   Tue          
                                      1am   1am   1am          
Platte River
Agency          20.0  20.0  Sat 6pm   17.1  12.7  11.2         



&&

LAT...LON 3977 9480 3977 9471 3951 9464 3941 9464
      3941 9472

$$

Atkins

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 21, 12:00 AM CDT	River Flood Warning	EAX	Andrew, Nodaway	27 hr
May 21, 7:29 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	42 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.