Alert archive / Kansas / River Flood Warnings in 2021

River Flood Warning 74, NWS Kansas City, MO

May 20, 2021Leavenworth County, Kansas

NWS Kansas City, MO issued this river flood warning at May 20, 2021, 3:18 PM CDT for Leavenworth County, Kansas. It took effect at May 21, 2021, 6:30 AM CDT. It was in force for 14 min.

The area

The outline as issued.

The facts

Issued
May 20, 2021, 3:18 PM CDT (20:18 UTC)
In effect from
May 21, 2021, 6:30 AM CDT
Expired
May 21, 2021, 6:44 AM CDT
In force
14 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Flood severity
Minor

County Leavenworth County, KS

The radar

The Pleasant Hill radar (KEAX), 76 km from the middle of the area, began a volume at 20:21 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 Stranger Creek near Tonganoxie (TNGK1). The gauge peaked at 23.92 ft at May 22, 2021, 12:00 AM CDT.

actionminormoderate10203005/2005/2105/22
Action stage
18 ft
Minor stage
23 ft
Moderate stage
30 ft
Major stage
35 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06892000, 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.

456 
WGUS43 KEAX 202018
FLWEAX

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

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

  Stranger Creek near Tonganoxie affecting Leavenworth 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/.

&&


KSC103-212030-
/O.NEW.KEAX.FL.W.0074.210521T1130Z-210523T0041Z/
/TNGK1.1.ER.210521T1130Z.210521T1800Z.210522T0040Z.UU/
318 PM CDT Thu May 20 2021

The National Weather Service in Pleasant Hill MO has issued a

* Flood Warning for
  the Stranger Creek near Tonganoxie.
* From Friday morning to Saturday evening.
* At 2:46 PM CDT Thursday the stage was 18.4 feet.
* Flood stage is 23.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow morning to a crest of 23.6 feet early tomorrow afternoon. 
  It will then fall below flood stage tomorrow evening.
* Impact...At 23.0 feet, Low-lying farmland along the creek floods.
* Impact...At 25.0 feet, County Highway 6 floods about 3 miles east 
  of Tonganoxie.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Thu   Fri   Fri          
                                      7pm   7am   7pm          
Stranger Creek
Tonganoxie      23.0  18.4  Thu 2pm   18.3  23.2  23.1         



&&

LAT...LON 3918 9511 3920 9500 3901 9496 3900 9508

$$

SAW
2 follow-up statements
349 
WGUS83 KEAX 210146
FLSEAX

Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
846 PM CDT Thu May 20 2021

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

  Stranger Creek near Tonganoxie affecting Leavenworth County.

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

  Stranger Creek at Easton affecting Leavenworth and Atchison KS 
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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

&&


KSC005-103-220200-
/O.EXT.KEAX.FL.W.0073.000000T0000Z-210523T0215Z/
/ESTK1.2.ER.210520T0845Z.210521T0600Z.210522T0215Z.NO/
846 PM CDT Thu May 20 2021

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

The Flood Warning continues for
  the Stranger Creek at Easton.
* Until late Saturday evening.
* At 8:30 PM CDT Thursday the stage was 20.0 feet.
* Flood stage is 17.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Forecast...The river is expected to rise to a crest of 20.1 feet 
  just after midnight tonight. It will then fall below flood stage 
  late tomorrow evening.
* Impact...At 17.0 feet, Water enters low-lying fields south of 
  Easton.
* Impact...At 18.0 feet, 1st street in Easton and 231st street north 
  and south of Easton begin to flood.
* Impact...At 19.5 feet, Highway 192 just east of Easton is closed 
  due to swift current of water over the road.
* Impact...At 20.0 feet, All roads out of Easton except for highway 
  192 west of 231st street in Easton are closed. In addition, water 
  covers Millwood Road, 3 miles north of Easton. Water depth is 6 
  inches across the eastbound lane.
* Impact...At 21.5 feet, Most of Easton east of 231st Street floods. 
  Several homes experience water on the first floor. Water nearly 
  surrounds but does not enter the former Easton grade school.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Fri   Fri   Sat          
                                      1am   1pm   1am          
Stranger Creek
Easton          17.0  20.0  Thu 8pm   20.1  19.2  15.5         



&&

LAT...LON 3947 9519 3948 9511 3920 9500 3918 9511

$$

KSC103-220200-
/O.EXT.KEAX.FL.W.0074.210521T1200Z-210523T0224Z/
/TNGK1.1.ER.210521T1200Z.210521T1800Z.210522T0224Z.UU/
846 PM CDT Thu May 20 2021

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

The Flood Warning continues for
  the Stranger Creek near Tonganoxie.
* From Friday morning to late Saturday evening.
* At 8:30 PM CDT Thursday the stage was 19.6 feet.
* Flood stage is 23.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow morning to a crest of 23.3 feet early tomorrow afternoon. 
  It will then fall below flood stage late tomorrow evening.
* Impact...At 23.0 feet, Low-lying farmland along the creek floods.
* Impact...At 25.0 feet, County Highway 6 floods about 3 miles east 
  of Tonganoxie.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Fri   Fri   Sat          
                                      1am   1pm   1am          
Stranger Creek
Tonganoxie      23.0  19.6  Thu 8pm   21.3  23.3  22.7         



&&

LAT...LON 3918 9511 3920 9500 3901 9496 3900 9508

$$

PP
667 
WGUS83 KEAX 211144
FLSEAX

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

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

  Stranger Creek near Tonganoxie affecting Leavenworth County.

KSC103-211245-
/O.CAN.KEAX.FL.W.0074.210521T1200Z-210521T1144Z/
/TNGK1.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
644 AM CDT Fri May 21 2021

...The Flood Warning for the Stranger Creek near Tonganoxie has been 
cancelled...

The Flood Warning is cancelled for
  the Stranger Creek near Tonganoxie.
* At 6:16 AM CDT Friday the stage was 21.3 feet.
* Flood stage is 23.0 feet.
* Forecast...The river is expected to rise to a crest of 21.3 feet 
  this evening.

&&

                Fld   Obs             Forecasts                
Location        Stg   Stg   Day/Time  Fri   Fri   Sat          
                                      7am   7pm   7am          
Stranger Creek
Tonganoxie      23.0  21.3  Fri 6am   21.1  21.3  19.9         



&&

LAT...LON 3918 9511 3920 9500 3901 9496 3900 9508

$$

Leighton

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 3:48 AM CDTRiver Flood WarningEAXAtchison, Leavenworth42 hr
May 20, 2:40 PM CDTFlash Flood WatchEAXAtchison, Doniphan, Johnson, Leavenworth, Linn, Miami and 1 more6 hr

Nearby

River Flood Warnings in Kansas, 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.