Alert archive / Kansas / Flood Watches in 2021

Flood Watch 8, NWS Wichita, KS

September 3, 202122 counties in Kansas

NWS Wichita, KS issued this flood watch at Sep 3, 2021, 3:49 AM CDT for 22 counties in Kansas. It took effect at Sep 3, 2021, 4:00 AM CDT. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued
Sep 3, 2021, 3:49 AM CDT (08:49 UTC)
In effect from
Sep 3, 2021, 4:00 AM CDT
Expired
Sep 4, 2021, 12:01 PM CDT
In force
32 hr
Issued by
NWS Wichita, KS
Flood severity
None
All 22 counties

Allen County, KS, Barton County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Labette County, KS, Marion County, KS, McPherson County, KS, Montgomery County, KS, Neosho County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS

The radar

The Wichita radar (KICT), 54 km from the middle of the area, began a volume at 08:51 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 nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 8.8 hours before the alert went out and 175 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 2021-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 155 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2021-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
155 J/kg
Mixed-layer CIN
-177 J/kg
Mixed-layer LCL
1035 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
268 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.8

Open this sounding in Storm Lab

The text

As transmitted.

073 
WGUS63 KICT 030849
FFAICT

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Wichita KS
349 AM CDT Fri Sep 3 2021

KSZ047-050>053-067>072-083-095-096-032300-
/O.NEW.KICT.FA.A.0008.210903T0900Z-210904T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Barton-Rice-McPherson-Marion-Chase-Reno-Harvey-Butler-Greenwood-
Woodson-Allen-Sedgwick-Wilson-Neosho-
Including the cities of Great Bend, Lyons, Sterling, McPherson, 
Hillsboro, Marion, Peabody, Cottonwood Falls, Strong City, 
Hutchinson, Newton, El Dorado, Augusta, Andover, Rose Hill, 
Eureka, Madison, Yates Center, Iola, Humboldt, Derby, Haysville, 
Bel Aire, Park City, Valley Center, Wichita, Neodesha, Fredonia, 
and Chanute
349 AM CDT Fri Sep 3 2021

...FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON...

The National Weather Service in Wichita has issued a

* Flood Watch for portions of Central Kansas, South Central 
  Kansas, and Southeast Kansas, including the following areas, 
  in Central Kansas, Barton, Chase, Marion, McPherson, and Rice. 
  In South Central Kansas, Butler, Harvey, Reno, and Sedgwick. 
  In Southeast Kansas, Allen, Greenwood, Neosho, Wilson, and 
  Woodson. 

* Through Saturday afternoon.

* Storms producing heavy rainfall will be possible today and will
  become more widespread tonight into Saturday morning. Rainfall
  rates in the 2 to 3 inch per hour range will be possible with
  the stronger storms which will likely result in flooding. The
  most likely time frame for widespread flooding will be for
  tonight into Saturday morning. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A flood watch means there is a potential for flooding based on
current forecasts. You should monitor later forecasts and be
alert for possible flood warnings. Those living in flood prone
areas should be prepared to take action should flooding develop.

&&

$$

Lawson
3 follow-up statements
809 
WGUS63 KICT 031934
FFAICT

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Wichita KS
234 PM CDT Fri Sep 3 2021

KSZ082-091>094-098>100-040345-
/O.EXB.KICT.FA.A.0008.000000T0000Z-210905T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kingman-Harper-Sumner-Cowley-Elk-Chautauqua-Montgomery-Labette-
Including the cities of Attica, Moline, Howard, Harper,
Coffeyville, Arkansas City, Wellington, Parsons, Anthony,
Winfield, Cedar Vale, Sedan, Longton, Kingman, Independence, and
Grenola
234 PM CDT Fri Sep 3 2021

...FLOOD WATCH IN EFFECT THROUGH SATURDAY EVENING...

The National Weather Service in Wichita has expanded the

* Flood Watch to include portions of South Central and Southeast 
  Kansas, including the following areas, in South Central Kansas, 
  Cowley, Harper, Kingman and Sumner. In Southeast Kansas, 
  Chautauqua, Elk, Labette and Montgomery.

* Through Saturday evening.

* Storms producing heavy rainfall will be possible late this 
  afternoon and become more widespread tonight through Saturday 
  morning. Rainfall amounts of 2 to 5 inches are possible. Rainfall 
  rates in the 2 to 3 inch per hour range will be possible with the 
  stronger storms, which may result in areal flooding and flash 
  flooding. The most likely time frame for widespread flooding will 
  be for tonight into Saturday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

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

Be aware of your surroundings and do not drive on flooded roads.

&&

$$

KSZ047-050>053-067>072-083-095-096-040345-
/O.EXT.KICT.FA.A.0008.000000T0000Z-210905T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Barton-Rice-McPherson-Marion-Chase-Reno-Harvey-Butler-Greenwood-
Woodson-Allen-Sedgwick-Wilson-Neosho-
Including the cities of Yates Center, Cottonwood Falls, Valley
Center, McPherson, Hillsboro, Sterling, Chanute, Park City, Great
Bend, Hutchinson, Wichita, Eureka, Bel Aire, Derby, Haysville,
Augusta, Madison, Lyons, Humboldt, Fredonia, Rose Hill, Newton,
Peabody, Andover, El Dorado, Marion, Iola, Neodesha, and Strong
City
234 PM CDT Fri Sep 3 2021

...FLOOD WATCH NOW IN EFFECT THROUGH SATURDAY EVENING...

The Flood Watch is now in effect for

* Portions of Central, South Central, and Southeast Kansas, 
  including the following areas, in Central Kansas, Barton, Chase, 
  Marion, McPherson and Rice. In South Central Kansas, Butler, 
  Harvey, Reno and Sedgwick. In Southeast Kansas, Allen, Greenwood, 
  Neosho, Wilson and Woodson.

* Through Saturday evening.

* Storms producing heavy rainfall will be possible late this 
  afternoon and become more widespread tonight through Saturday 
  morning. Rainfall amounts of 2 to 5 inches are possible. Rainfall 
  rates in the 2 to 3 inch per hour range will be possible with the 
  stronger storms, which may result in areal flooding and flash 
  flooding. The most likely time frame for widespread flooding will 
  be for tonight into Saturday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

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

&&

$$

Ketcham
027 
WGUS63 KICT 040858
FFAICT

Flood Watch
National Weather Service Wichita KS
358 AM CDT Sat Sep 4 2021

KSZ047-050>053-067>072-083-095-096-041700-
/O.CON.KICT.FA.A.0008.000000T0000Z-210905T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Barton-Rice-McPherson-Marion-Chase-Reno-Harvey-Butler-Greenwood-
Woodson-Allen-Sedgwick-Wilson-Neosho-
Including the cities of Yates Center, Cottonwood Falls, Valley
Center, McPherson, Hillsboro, Sterling, Chanute, Park City, Great
Bend, Hutchinson, Wichita, Eureka, Bel Aire, Derby, Haysville,
Augusta, Madison, Lyons, Humboldt, Fredonia, Rose Hill, Newton,
Peabody, Andover, El Dorado, Marion, Iola, Neodesha, and Strong
City
358 AM CDT Sat Sep 4 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

The Flood Watch continues for

* Portions of Central, South Central, and Southeast Kansas, 
  including the following areas, in Central Kansas, Barton, Chase, 
  Marion, McPherson and Rice. In South Central Kansas, Butler, 
  Harvey, Reno and Sedgwick. In Southeast Kansas, Allen, Greenwood, 
  Neosho, Wilson and Woodson.

* Through this evening.

* Storms with very high rainfall rates will continue today which 
  will likely lead to flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

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

&&

$$

KSZ082-091>094-098>100-041700-
/O.CON.KICT.FA.A.0008.000000T0000Z-210905T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kingman-Harper-Sumner-Cowley-Elk-Chautauqua-Montgomery-Labette-
Including the cities of Attica, Moline, Howard, Harper,
Coffeyville, Arkansas City, Wellington, Parsons, Anthony,
Winfield, Cedar Vale, Sedan, Longton, Kingman, Independence, and
Grenola
358 AM CDT Sat Sep 4 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

The Flood Watch continues for

* Portions of South Central and Southeast Kansas, including the 
  following areas, in South Central Kansas, Cowley, Harper, Kingman 
  and Sumner. In Southeast Kansas, Chautauqua, Elk, Labette and 
  Montgomery.

* Through this evening.

* Storms with very high rainfall rates will continue today which 
  will likely lead to flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

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

Be aware of your surroundings and do not drive on flooded roads.

&&

$$

Lawson
616 
WGUS63 KICT 041701
FFAICT

Flood Watch
National Weather Service Wichita KS
1201 PM CDT Sat Sep 4 2021

KSZ047-050>053-067>072-082-083-091>096-098>100-041815-
/O.CAN.KICT.FA.A.0008.000000T0000Z-210905T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Barton-Rice-McPherson-Marion-Chase-Reno-Harvey-Butler-Greenwood-
Woodson-Allen-Kingman-Sedgwick-Harper-Sumner-Cowley-Elk-Wilson-
Neosho-Chautauqua-Montgomery-Labette-
Including the cities of Yates Center, Howard, Cottonwood Falls,
Arkansas City, Valley Center, Winfield, McPherson, Hillsboro,
Independence, Sterling, Coffeyville, Parsons, Chanute, Anthony,
Harper, Sedan, Park City, Longton, Great Bend, Hutchinson,
Wichita, Wellington, Eureka, Bel Aire, Derby, Haysville, Augusta,
Attica, Madison, Lyons, Humboldt, Fredonia, Rose Hill, Newton,
Peabody, Andover, El Dorado, Moline, Marion, Iola, Cedar Vale,
Neodesha, Kingman, Strong City, and Grenola
1201 PM CDT Sat Sep 4 2021

...FLOOD WATCH IS CANCELLED...

The Flood Watch for portions of Central, South Central, and 
Southeast Kansas, including the following areas, in Central Kansas, 
Barton, Chase, Marion, McPherson and Rice. In South Central Kansas, 
Butler, Cowley, Harper, Harvey, Kingman, Reno, Sedgwick and Sumner. 
In Southeast Kansas, Allen, Chautauqua, Elk, Greenwood, Labette, 
Montgomery, Neosho, Wilson and Woodson. has been cancelled.

The Flood Watch is cancelled. Flooding rainfall is no longer 
expected to pose a threat. Please continue to heed remaining road 
closures.

$$

Butler

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 7:38 PM CDTSpecial Weather StatementICTKingman, Reno37 min
Sep 2, 8:14 PM CDTSpecial Weather StatementICTHarvey, Sedgwick46 min
Sep 2, 8:56 PM CDTSpecial Weather StatementICTHarvey, Marion, Sedgwick34 min
Sep 3, 1:51 AM CDTAreal Flood WarningICTBarton, Ellsworth, Lincoln, Russell9 hr

Nearby

Flood Watches in Kansas, 2021Every flood watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.