Alert archive / Kansas / Flash Flood Warnings in 2021

Flash Flood Warning 9, NWS Wichita, KS

July 17, 2021Montgomery County, Wilson County, Kansas

NWS Wichita, KS issued this flash flood warning at Jul 17, 2021, 10:47 AM CDT for Montgomery County, Wilson County, Kansas. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 17, 2021, 10:47 AM CDT (15:47 UTC)
Expired
Jul 17, 2021, 1:40 PM CDT
In force
3 hr
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

Counties Montgomery County, KS, Wilson County, KS

The radar

The Tulsa radar (KINX), 128 km from the middle of the area, began a volume at 15:48 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.

What was reported inside it

TimeReportWhereRemark
Jul 17, 12:34 PM CDTFLASH FLOODIndependence, KSTHE FLOODWATERS HAVE RECEDED BACK INTO WHISKEY CREEK AND THE ONLY ROAD CLOSED IS NOW 19TH AND MAPLE AND 800 BLK OF NORTH PARK BLVD. TAYLOR ROAD IS CLOSED BY THE RAILROAD TRACK GOING TOWARDS PETERPAN IN THE COUNTY WITH WATER OVER THE ROAD. TWO ACCIDENTS WERE RE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 3.8 hours before the alert went out and 187 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, Springfield, MO at 12:00Z on 2021-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1277 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, Springfield, MO at 12:00Z on 2021-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
1277 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

656 
WGUS53 KICT 171547
FFWICT
KSC125-205-172000-
/O.NEW.KICT.FF.W.0009.210717T1547Z-210717T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wichita KS
1047 AM CDT Sat Jul 17 2021

The National Weather Service in Wichita has issued a

* Flash Flood Warning for...
  Montgomery County in southeastern Kansas...
  Southwestern Wilson County in southeastern Kansas...

* Until 300 PM CDT.

* At 1047 AM CDT, local law enforcement reported thunderstorms 
  producing heavy rain across the warned area. Between 2 and 4 
  inches of rain have fallen. Additional rainfall amounts of 1 to 3 
  inches are possible in the warned area. Flash flooding is ongoing 
  or expected to begin shortly.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Law enforcement reported.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Coffeyville, Independence, Neodesha, Caney, Dearing, Elk City, 
  Tyro, Havana, Bolton, Sycamore, Elk City Lake, Elk City State 
  Park, Independence Airport and Buxton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive into flooded areas or go around barricades. Nearly two 
feet of water will carry most vehicles away. Turn around, don't 
drown.

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

&&

LAT...LON 3751 9596 3751 9569 3700 9564 3700 9596

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Hayes
2 follow-up statements
564 
WGUS73 KICT 171804
FFSICT

Flash Flood Statement
National Weather Service Wichita KS
104 PM CDT Sat Jul 17 2021

KSC125-205-172000-
/O.CON.KICT.FF.W.0009.000000T0000Z-210717T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Montgomery KS-Wilson KS-
104 PM CDT Sat Jul 17 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 3 PM CDT THIS 
AFTERNOON FOR MONTGOMERY AND SOUTHWESTERN WILSON COUNTIES...

At 104 PM CDT, local law enforcement reported thunderstorms 
producing heavy rain in Many roads in Independence at across the 
county have been closed. Please be careful when traveling near low 
water areas, creeks, and rivers. Between 2 and 5 inches of rain have 
fallen. Flash flooding is already occurring.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Law enforcement reported.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Coffeyville, Independence, Neodesha, Caney, Dearing, Elk City, 
  Tyro, Havana, Bolton, Sycamore, Elk City Lake, Elk City State 
  Park, Independence Airport and Buxton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive into flooded areas or go around barricades. Nearly two 
feet of water will carry most vehicles away. Turn around, don't 
drown.

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

&&

LAT...LON 3751 9596 3751 9569 3700 9564 3700 9596

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Hayes
175 
WGUS73 KICT 171840
FFSICT

Flash Flood Statement
National Weather Service Wichita KS
140 PM CDT Sat Jul 17 2021

KSC125-205-171850-
/O.CAN.KICT.FF.W.0009.000000T0000Z-210717T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Montgomery KS-Wilson KS-
140 PM CDT Sat Jul 17 2021

...FLASH FLOOD WARNING IS CANCELLED FOR MONTGOMERY AND SOUTHWESTERN 
WILSON COUNTIES...

The heavy rain has ended. Please continue to heed remaining road 
closures as county flood warnings remain in effect for many 
locations across southeast Kansas.

LAT...LON 3751 9596 3751 9569 3700 9564 3700 9596

$$

Hayes

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 2:08 AM CDTAreal Flood WarningICTCowley8 hr
Jul 17, 2:16 AM CDTSpecial Weather StatementICTCowley29 min
Jul 17, 2:32 AM CDTFlash Flood Warning Considerable damage threatICTCowley109 min
Jul 17, 3:17 AM CDTFlood WatchICTAllen, Butler, Chase, Chautauqua, Cowley, Elk and 7 more10 hr
Jul 17, 4:17 AM CDTSpecial Weather StatementICTButler28 min
Jul 17, 5:45 AM CDTSpecial Weather StatementICTBarton30 min
Jul 17, 6:43 AM CDTSevere Thunderstorm WarningICTSedgwick, Sumner36 min
Jul 17, 7:29 AM CDTSpecial Weather StatementICTReno31 min
Jul 17, 8:04 AM CDTSpecial Weather StatementICTSedgwick26 min
Jul 17, 8:16 AM CDTSpecial Weather StatementICTMontgomery29 min
Jul 17, 8:22 AM CDTSpecial Weather StatementICTKingman, Reno23 min
Jul 17, 9:11 AM CDTAreal Flood WarningICTKingman, Reno, Sedgwick4 hr
Jul 17, 9:33 AM CDTAreal Flood WarningICTAllen, Chautauqua, Elk, Greenwood, Labette, Montgomery and 3 more8 hr
Jul 17, 11:22 AM CDTSpecial Weather StatementICTMontgomery23 min
Jul 17, 11:42 AM CDTSpecial Weather StatementICTWilson, Woodson33 min
Jul 17, 1:54 PM CDTRiver Flood WarningICTWilson18 hr
Jul 17, 2:09 PM CDTRiver Flood WarningICTWilson7 hr

Nearby

Flash Flood Warnings in Kansas, 2021Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.