Alert archive / Kansas / River Flood Warnings in 2021

River Flood Warning 2, NWS Topeka, KS

March 17, 2021Lyon County, Osage County, Kansas

NWS Topeka, KS issued this river flood warning at Mar 17, 2021, 9:15 AM CDT for Lyon County, Osage County, Kansas. It took effect at Mar 17, 2021, 5:47 PM CDT. It was in force for 36 hr.

The area

The outline as issued.

The facts

Issued
Mar 17, 2021, 9:15 AM CDT (14:15 UTC)
In effect from
Mar 17, 2021, 5:47 PM CDT
Expired
Mar 19, 2021, 5:20 AM CDT
In force
36 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
Moderate

Counties Lyon County, KS, Osage County, KS

The radar

The Topeka radar (KTWX), 55 km from the middle of the area, began a volume at 14:18 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 Marais Des Cygnes River near Reading (RDNK1). The gauge peaked at 8.37 ft at Mar 17, 2021, 11:00 PM CDT.

actionminormoderate510152003/1703/1803/1903/20
Action stage
14 ft
Minor stage
19 ft
Moderate stage
21 ft
Major stage
45 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06910800, 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.

674 
WGUS43 KTOP 171415
FLWTOP

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Topeka KS
915 AM CDT Wed Mar 17 2021

...The National Weather Service in Topeka KS has issued a Flood 
Warning for the following rivers in Kansas...

  Marais Des Cygnes River above Reading affecting Lyon and Osage 
  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/top/.


KSC111-139-180515-
/O.NEW.KTOP.FL.W.0002.210317T2247Z-210319T1020Z/
/RDNK1.2.ER.210317T2247Z.210318T1800Z.210318T2219Z.NO/
915 AM CDT Wed Mar 17 2021

The National Weather Service in Topeka has issued a

* Flood Warning for
  the Marais Des Cygnes River above Reading.
* From this afternoon to late Thursday night.
* At 8:45 AM CDT Wednesday the stage was 4.8 feet.
* Flood stage is 19.0 feet.
* Moderate flooding is forecast.
* Forecast...The river will rise above flood stage late this 
  afternoon to 21.0 feet this evening. It will then fall below flood 
  stage late this evening to 17.7 feet and begin rising again just 
  after midnight tonight. It will rise above flood stage again late 
  tonight and continue to rise to 22.6 feet early tomorrow 
  afternoon. It will then fall below flood stage again tomorrow 
  afternoon.
* Impact...At 19.0 feet, Low lying areas along the river flood.
* Impact...At 21.0 feet, County Road Y 5 near the gauge floods, 3 
  miles north of Reading.
* Impact...At 23.0 feet, Overlow on the right bank is in several 
  swift channels over Road Y 5, 3 miles north of Reading.


&&

LAT...LON 3856 9602 3860 9596 3853 9586 3849 9592

$$

Skow
2 follow-up statements
575 
WGUS83 KTOP 172145
FLSTOP

Flood Statement
National Weather Service Topeka KS
445 PM CDT Wed Mar 17 2021

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

  Marais Des Cygnes River above Reading affecting Lyon and Osage 
  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/top/.


KSC111-139-181245-
/O.CON.KTOP.FL.W.0002.210317T2247Z-210319T1020Z/
/RDNK1.2.ER.210318T1348Z.210318T1800Z.210318T2116Z.NO/
445 PM CDT Wed Mar 17 2021

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

The Flood Warning continues for
  the Marais Des Cygnes River above Reading.
* Until late Thursday night.
* At 3:45 PM CDT Wednesday the stage was 6.2 feet.
* Flood stage is 19.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow morning to a crest of 22.0 feet early tomorrow afternoon. 
  It will then fall below flood stage tomorrow afternoon.
* Impact...At 19.0 feet, Low lying areas along the river flood.
* Impact...At 21.0 feet, County Road Y 5 near the gage floods, 3 
  miles north of Reading.
* Impact...At 23.0 feet, Overlow on the right bank is in several 
  swift channels over Road Y 5, 3 miles north of Reading.


&&

LAT...LON 3856 9602 3860 9596 3853 9586 3849 9592

$$

JP
822 
WGUS83 KTOP 180122
FLSTOP

Flood Statement
National Weather Service Topeka KS
822 PM CDT Wed Mar 17 2021

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

  Marais Des Cygnes River above Reading affecting Lyon and Osage 
  Counties.

  Marais Des Cygnes River near Quenemo affecting Osage and Franklin 
  Counties.

KSC111-139-180230-
/O.CAN.KTOP.FL.W.0002.000000T0000Z-210318T0122Z/
/RDNK1.2.ER.210318T1348Z.210318T1800Z.210318T2116Z.NO/
822 PM CDT Wed Mar 17 2021

...The Flood Warning for the Marais Des Cygnes River above Reading 
has been cancelled...

The Flood Warning is cancelled for
  the Marais Des Cygnes River above Reading.
* At 7:45 PM CDT Wednesday the stage was 7.9 feet.
* Flood stage is 19.0 feet.
* Forecast...The river is expected to rise to a crest of 17.4 feet 
  early tomorrow afternoon.


&&

LAT...LON 3856 9602 3860 9596 3853 9586 3849 9592

$$

KSC059-139-180230-
/O.CAN.KTOP.FL.W.0005.210318T0726Z-210318T0122Z/
/QNMK1.1.ER.210318T0726Z.210318T1200Z.210318T1836Z.NO/
822 PM CDT Wed Mar 17 2021

...The Flood Warning for the Marais Des Cygnes River near Quenemo 
has been cancelled...

The Flood Warning is cancelled for
  the Marais Des Cygnes River near Quenemo.
* At 2:31 PM CDT Wednesday the stage was 14.9 feet.
* Flood stage is 17.0 feet.
* Forecast...The river is expected to rise to a crest of 16.1 feet 
  just after midnight tonight.


&&

LAT...LON 3854 9556 3860 9553 3859 9548 3853 9552

$$

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 16, 11:33 PM CDTSpecial Weather StatementTOPLyon27 min
Mar 16, 11:35 PM CDTSevere Thunderstorm WarningTOPLyon, Wabaunsee25 min
Mar 16, 11:57 PM CDTSevere Thunderstorm WarningTOPLyon, Osage, Wabaunsee33 min
Mar 17, 12:03 AM CDTSevere Thunderstorm WarningTOPLyon, Osage42 min
Mar 17, 12:18 AM CDTSevere Thunderstorm WarningTOPShawnee, Wabaunsee28 min
Mar 17, 12:31 AM CDTSevere Thunderstorm WarningTOPDouglas, Osage, Shawnee18 min
Mar 17, 12:53 AM CDTSpecial Weather StatementTOPDouglas37 min
Mar 17, 2:09 AM CDTSpecial Weather StatementTOPWabaunsee36 min
Mar 17, 2:28 AM CDTSpecial Weather StatementTOPShawnee32 min
Mar 17, 3:01 AM CDTSpecial Weather StatementTOPJefferson14 min
Mar 17, 3:15 AM CDTSpecial Weather StatementTOPCoffey30 min
Mar 17, 7:14 AM CDTAreal Flood AdvisoryTOPAnderson, Coffey, Franklin, Osage2 hr
Mar 17, 7:40 AM CDTSpecial Weather StatementTOPDouglas, Franklin, Jackson, Jefferson, Shawnee35 min
Mar 17, 9:16 AM CDTRiver Flood WarningTOPAnderson35 hr
Mar 17, 9:27 AM CDTRiver Flood WarningTOPFranklin24 hr
Mar 17, 3:11 PM CDTWinter Weather AdvisoryTOPAnderson, Coffey, Douglas, Franklin, Jefferson, Lyon and 4 more12 hr
Mar 17, 4:32 PM CDTRiver Flood WarningTOPFranklin, Osage39 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.