Alert archive / Missouri / River Flood Warnings in 2021

River Flood Warning 53, NWS Kansas City, MO

April 28, 2021Cass County, Henry County, Johnson County, Missouri

NWS Kansas City, MO issued this river flood warning at Apr 28, 2021, 8:26 AM CDT for Cass County, Henry County, Johnson County, Missouri. It took effect at Apr 29, 2021, 12:43 AM CDT. It was in force for 50 hr.

The area

The outline as issued.

The facts

Issued
Apr 28, 2021, 8:26 AM CDT (13:26 UTC)
In effect from
Apr 29, 2021, 12:43 AM CDT
Expired
May 1, 2021, 3:12 AM CDT
In force
50 hr
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Flood severity
Minor

Counties Cass County, MO, Henry County, MO, Johnson County, MO

The radar

The Pleasant Hill radar (KEAX), 30 km from the middle of the area, began a volume at 13:33 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 Big Creek near Blairstown (BLRM7). The gauge peaked at 24.17 ft at Apr 29, 2021, 12:00 PM CDT.

actionminormoderate1015202504/2804/2904/3005/0105/02
Action stage
15 ft
Minor stage
20 ft
Moderate stage
23 ft
Major stage
36 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06921720, 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.

168 
WGUS43 KEAX 281326
FLWEAX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
826 AM CDT Wed Apr 28 2021

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

  Big Creek at Blairstown affecting Johnson MO, Cass and Henry 
  Counties.

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/.

&&


MOC037-083-101-291330-
/O.NEW.KEAX.FL.W.0053.210429T1200Z-210501T1800Z/
/BLRM7.1.ER.210429T1200Z.210430T0000Z.210430T1800Z.UU/
826 AM CDT Wed Apr 28 2021

The National Weather Service in Pleasant Hill MO has issued a

* Flood Warning for
  the Big Creek at Blairstown.
* From Thursday morning to Saturday afternoon.
* At 8:00 AM CDT Wednesday the stage was 11.3 feet.
* Flood stage is 20.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow morning to a crest of 21.0 feet tomorrow evening. It will 
  then fall below flood stage early Friday afternoon.
* Impact...At 20.0 feet, The west bank of the creek begins to flood.
* Impact...At 23.0 feet, Flooding occurs at the west approach to the 
  N Highway bridge located 0.2 miles west of Blairstown. Flooding 
  also occurs across B Highway near Big Creek which is several miles 
  northwest of Blairstown.


&&

LAT...LON 3873 9422 3875 9416 3857 9394 3840 9384
      3840 9391

$$

Atkins
9 follow-up statements
890 
WGUS43 KEAX 290343
FLWEAX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
1043 PM CDT Wed Apr 28 2021

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

  Big Creek at Blairstown affecting Johnson MO, Cass and Henry 
  Counties.

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/.

&&


MOC037-083-101-300345-
/O.EXT.KEAX.FL.W.0053.210429T0543Z-210502T0000Z/
/BLRM7.2.ER.210429T0543Z.210429T1200Z.210501T0000Z.UU/
1043 PM CDT Wed Apr 28 2021

...Forecast flooding increased from Minor to Moderate severity and 
increased in duration until Saturday evening...

The Flood Warning continues for
  the Big Creek at Blairstown.
* Until Saturday evening.
* At 10:00 PM CDT Wednesday the stage was 11.1 feet.
* Flood stage is 20.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage just 
  after midnight tonight to a crest of 24.1 feet tomorrow morning. 
  It will then fall below flood stage Friday evening.
* Impact...At 20.0 feet, The west bank of the creek begins to flood.
* Impact...At 23.0 feet, Flooding occurs at the west approach to the 
  N Highway bridge located 0.2 miles west of Blairstown. Flooding 
  also occurs across B Highway near Big Creek which is several miles 
  northwest of Blairstown.
* Impact...At 26.0 feet, Many farm levees along Big Creek are 
  overtopped. Flooding of rural areas behind the levees occurs.


&&

LAT...LON 3873 9422 3875 9416 3857 9394 3840 9384
      3840 9391

$$

73
236 
WGUS83 KEAX 290651
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
151 AM CDT Thu Apr 29 2021

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

  South Grand River at Urich affecting Bates, Cass and Henry 
  Counties.

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

  Big Creek at Blairstown affecting Johnson MO, Cass and Henry 
  Counties.

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/.

&&


MOC037-083-101-300700-
/O.EXT.KEAX.FL.W.0053.000000T0000Z-210501T1405Z/
/BLRM7.2.ER.210429T0907Z.210429T1800Z.210430T1405Z.UU/
151 AM CDT Thu Apr 29 2021

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

The Flood Warning continues for
  the Big Creek at Blairstown.
* Until Saturday morning.
* At 1:00 AM CDT Thursday the stage was 16.5 feet.
* Flood stage is 20.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage early 
  this morning to a crest of 23.9 feet this afternoon. It will then 
  fall below flood stage late tomorrow morning.
* Impact...At 20.0 feet, The west bank of the creek begins to flood.
* Impact...At 23.0 feet, Flooding occurs at the west approach to the 
  N Highway bridge located 0.2 miles west of Blairstown. Flooding 
  also occurs across B Highway near Big Creek which is several miles 
  northwest of Blairstown.


&&

LAT...LON 3873 9422 3875 9416 3857 9394 3840 9384
      3840 9391

$$

MOC013-037-083-300700-
/O.EXT.KEAX.FL.W.0054.210429T1654Z-210502T0017Z/
/URHM7.1.ER.210429T1654Z.210430T1200Z.210501T0017Z.UU/
151 AM CDT Thu Apr 29 2021

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

The Flood Warning continues for
  the South Grand River at Urich.
* From this morning to Saturday evening.
* At 1:15 AM CDT Thursday the stage was 6.4 feet.
* Flood stage is 24.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this morning to a crest of 25.4 feet tomorrow morning. It will 
  then fall below flood stage tomorrow evening.
* Impact...At 24.0 feet, Flooding occurs across locations within 0.5 
  to 1.5 miles of the river. Areas affected include low lying 
  pastures along with cropland and secondary roads.

&&

                 Fld   Obs             Forecasts                
Location         Stg   Stg   Day/Time  Thu   Fri   Sat          
                                       7am   7am   7am          
South Grand River
Urich            24.0  6.4   Thu 1am   22.2  25.4  18.9         



&&

LAT...LON 3849 9426 3847 9400 3837 9380 3832 9382
      3843 9425

$$

Kurtz
478 
WGUS83 KEAX 290702
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
202 AM CDT Thu Apr 29 2021

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

  Big Creek at Blairstown affecting Johnson MO, Cass and Henry 
  Counties.

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/.

&&


MOC037-083-101-300715-
/O.CON.KEAX.FL.W.0053.000000T0000Z-210501T1405Z/
/BLRM7.2.ER.210429T0907Z.210429T1800Z.210430T1405Z.UU/
202 AM CDT Thu Apr 29 2021

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

The Flood Warning continues for
  the Big Creek at Blairstown.
* Until Saturday morning.
* At 1:00 AM CDT Thursday the stage was 16.5 feet.
* Flood stage is 20.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage early 
  this morning to a crest of 23.9 feet this afternoon. It will then 
  fall below flood stage late tomorrow morning.
* Impact...At 20.0 feet, The west bank of the creek begins to flood.
* Impact...At 23.0 feet, Flooding occurs at the west approach to the 
  N Highway bridge located 0.2 miles west of Blairstown. Flooding 
  also occurs across B Highway near Big Creek which is several miles 
  northwest of Blairstown.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Thu   Fri   Sat          
                                      7am   7am   7am          
Big Creek
Blairstown      20.0  16.5  Thu 1am   23.2  20.8  14.2         



&&

LAT...LON 3873 9422 3875 9416 3857 9394 3840 9384
      3840 9391

$$

Kurtz
039 
WGUS83 KEAX 291112
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
612 AM CDT Thu Apr 29 2021

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

  Petite Saline Creek near Boonville affecting Cooper County.

  Big Creek at Blairstown affecting Johnson MO, Cass and Henry 
  Counties.

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/.

&&


MOC053-301115-
/O.EXT.KEAX.FL.W.0055.000000T0000Z-210430T1545Z/
/BONM7.1.ER.210429T0740Z.210429T1800Z.210430T0345Z.UU/
612 AM CDT Thu Apr 29 2021

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

The Flood Warning continues for
  the Petite Saline Creek near Boonville.
* Until Friday morning.
* At 5:30 AM CDT Thursday the stage was 16.6 feet.
* Flood stage is 16.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 17.0 feet 
  this afternoon. It will then fall below flood stage late this 
  evening.
* Impact...At 16.0 feet, Low lying woodlands and fields near the 
  creek flood.

&&

                   Fld   Obs             Forecasts                
Location           Stg   Stg   Day/Time  Thu   Fri   Sat          
                                         7am   7am   7am          
Petite Saline Creek
Boonville          16.0  16.6  Thu 5am   16.6  12.1  6.8          



&&

LAT...LON 3892 9280 3894 9264 3892 9250 3888 9252
      3887 9279

$$

MOC037-083-101-301115-
/O.CON.KEAX.FL.W.0053.000000T0000Z-210501T1405Z/
/BLRM7.2.ER.210429T0705Z.210429T1800Z.210430T1405Z.UU/
612 AM CDT Thu Apr 29 2021

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

The Flood Warning continues for
  the Big Creek at Blairstown.
* Until Saturday morning.
* At 5:00 AM CDT Thursday the stage was 23.7 feet.
* Flood stage is 20.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Forecast...The river is expected to rise to a crest of 24.2 feet 
  this afternoon. It will then fall below flood stage late tomorrow 
  morning.
* Impact...At 20.0 feet, The west bank of the creek begins to flood.
* Impact...At 23.0 feet, Flooding occurs at the west approach to the 
  N Highway bridge located 0.2 miles west of Blairstown. Flooding 
  also occurs across B Highway near Big Creek which is several miles 
  northwest of Blairstown.
* Impact...At 26.0 feet, Many farm levees along Big Creek are 
  overtopped. Flooding of rural areas behind the levees occurs.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Thu   Fri   Sat          
                                      7am   7am   7am          
Big Creek
Blairstown      20.0  23.7  Thu 5am   23.9  20.8  14.2         



&&

LAT...LON 3873 9422 3875 9416 3857 9394 3840 9384
      3840 9391

$$

Kurtz
726 
WGUS83 KEAX 291411
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
911 AM CDT Thu Apr 29 2021

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

  Big Creek at Blairstown affecting Johnson MO, Cass and Henry 
  Counties.

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/.

&&


MOC037-083-101-301415-
/O.EXT.KEAX.FL.W.0053.000000T0000Z-210501T1824Z/
/BLRM7.2.ER.210429T0705Z.210429T1800Z.210430T1824Z.UU/
911 AM CDT Thu Apr 29 2021

...The Flood Warning is now in effect until early Saturday 
afternoon...

The Flood Warning continues for
  the Big Creek at Blairstown.
* Until Saturday afternoon.
* At 8:00 AM CDT Thursday the stage was 24.1 feet.
* Flood stage is 20.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Forecast...The river is expected to rise to a crest of 24.5 feet 
  this afternoon. It will then fall below flood stage early tomorrow 
  afternoon.
* Impact...At 20.0 feet, The west bank of the creek begins to flood.
* Impact...At 23.0 feet, Flooding occurs at the west approach to the 
  N Highway bridge located 0.2 miles west of Blairstown. Flooding 
  also occurs across B Highway near Big Creek which is several miles 
  northwest of Blairstown.
* Impact...At 26.0 feet, Many farm levees along Big Creek are 
  overtopped. Flooding of rural areas behind the levees occurs.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Thu   Fri   Sat          
                                      1pm   1pm   1pm          
Big Creek
Blairstown      20.0  24.1  Thu 8am   24.5  20.1  17.4         



&&

LAT...LON 3873 9422 3875 9416 3857 9394 3840 9384
      3840 9391

$$

Klaus
454 
WGUS83 KEAX 292353
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
653 PM CDT Thu Apr 29 2021

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

  Big Creek at Blairstown affecting Johnson MO, Cass and Henry 
  Counties.

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/.

&&


MOC037-083-101-010000-
/O.EXT.KEAX.FL.W.0053.000000T0000Z-210501T1405Z/
/BLRM7.2.ER.210429T0705Z.210429T1745Z.210430T1405Z.UU/
653 PM CDT Thu Apr 29 2021

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

The Flood Warning continues for
  the Big Creek at Blairstown.
* Until Saturday morning.
* At 6:00 PM CDT Thursday the stage was 23.9 feet.
* Flood stage is 20.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Forecast...The river is expected to fall below flood stage late 
  tomorrow morning and continue falling to 10.6 feet early Tuesday 
  afternoon.
* Impact...At 20.0 feet, The west bank of the creek begins to flood.
* Impact...At 23.0 feet, Flooding occurs at the west approach to the 
  N Highway bridge located 0.2 miles west of Blairstown. Flooding 
  also occurs across B Highway near Big Creek which is several miles 
  northwest of Blairstown.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Thu   Fri   Sat          
                                      7pm   7pm   7pm          
Big Creek
Blairstown      20.0  23.9  Thu 6pm   23.9  16.6  13.6         



&&

LAT...LON 3873 9422 3875 9416 3857 9394 3840 9384
      3840 9391

$$

73
998 
WGUS83 KEAX 300226
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
926 PM CDT Thu Apr 29 2021

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

  Big Creek at Blairstown affecting Johnson MO, Cass and Henry 
  Counties.

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/.

&&


MOC037-083-101-010230-
/O.CON.KEAX.FL.W.0053.000000T0000Z-210501T1405Z/
/BLRM7.2.ER.210429T0705Z.210429T1745Z.210430T1405Z.UU/
926 PM CDT Thu Apr 29 2021

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

The Flood Warning continues for
  the Big Creek at Blairstown.
* Until Saturday morning.
* At 9:00 PM CDT Thursday the stage was 23.4 feet.
* Flood stage is 20.0 feet.
* Moderate flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage late 
  tomorrow morning and continue falling to 10.5 feet Tuesday evening.
* Impact...At 20.0 feet, The west bank of the creek begins to flood.
* Impact...At 23.0 feet, Flooding occurs at the west approach to the 
  N Highway bridge located 0.2 miles west of Blairstown. Flooding 
  also occurs across B Highway near Big Creek which is several miles 
  northwest of Blairstown.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Fri   Sat   Sun          
                                      1am   1am   1am          
Big Creek
Blairstown      20.0  23.4  Thu 9pm   22.5  15.1  13.3         



&&

LAT...LON 3873 9422 3875 9416 3857 9394 3840 9384
      3840 9391

$$

73
460 
WGUS83 KEAX 301352
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
852 AM CDT Fri Apr 30 2021

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

  Big Creek at Blairstown affecting Johnson MO, Cass and Henry 
  Counties.

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/.

&&


MOC037-083-101-011400-
/O.EXT.KEAX.FL.W.0053.000000T0000Z-210502T0417Z/
/BLRM7.2.ER.210429T0705Z.210429T1745Z.210501T0417Z.UU/
852 AM CDT Fri Apr 30 2021

...Forecast flooding changed to Minor severity and increased in 
duration until late tomorrow evening...

The Flood Warning continues for
  the Big Creek at Blairstown.
* Until Saturday evening.
* At 8:00 AM CDT Friday the stage was 21.9 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 evening and continue falling to 14.2 feet Wednesday morning.
* Impact...At 20.0 feet, The west bank of the creek begins to flood.
* Impact...At 23.0 feet, Flooding occurs at the west approach to the 
  N Highway bridge located 0.2 miles west of Blairstown. Flooding 
  also occurs across B Highway near Big Creek which is several miles 
  northwest of Blairstown.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Fri   Sat   Sun          
                                      1pm   1pm   1pm          
Big Creek
Blairstown      20.0  21.9  Fri 8am   21.3  18.5  16.8         



&&

LAT...LON 3873 9422 3875 9416 3857 9394 3840 9384
      3840 9391

$$

Klaus
185 
WGUS83 KEAX 010812
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
312 AM CDT Sat May 1 2021

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

  Big Creek at Blairstown affecting Johnson MO, Cass and Henry 
  Counties.

MOC037-083-101-010915-
/O.CAN.KEAX.FL.W.0053.000000T0000Z-210501T0812Z/
/BLRM7.2.ER.210429T0705Z.210429T1745Z.210501T0417Z.UU/
312 AM CDT Sat May 1 2021

...The Flood Warning for the Big Creek at Blairstown has been 
cancelled...

The Flood Warning is cancelled for
  the Big Creek at Blairstown.
* At 8:00 AM CDT Friday the stage was 21.9 feet.
* Flood stage is 20.0 feet.
* Forecast...The river is expected to fall below flood stage Friday, 
  April 30 and continue falling to 14.2 feet Wednesday morning.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Fri   Sat   Sun          
                                      1pm   1pm   1pm          
Big Creek
Blairstown      20.0  21.9  Fri 8am   21.3  18.5  16.8         



&&

LAT...LON 3873 9422 3875 9416 3857 9394 3840 9384
      3840 9391

$$

PP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 3:04 PM CDTFlash Flood WarningEAXPlatte3 hr
Apr 28, 4:04 PM CDTAreal Flood AdvisoryEAXCaldwell, Carroll, Clay, Clinton, Livingston, Ray3 hr
Apr 28, 4:48 PM CDTAreal Flood AdvisoryEAXCass, Johnson3 hr
Apr 28, 5:00 PM CDTFlash Flood WarningEAXCass3 hr

Nearby

River Flood Warnings in Missouri, 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.