Alert archive / Kansas / Areal Flood Warnings in 2021

Areal Flood Warning 21, NWS Wichita, KS

May 26, 2021McPherson County, Kansas

NWS Wichita, KS issued this areal flood warning at May 26, 2021, 9:41 PM CDT for McPherson County, Kansas. It was in force for 15 hr. 13 reports 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
May 26, 2021, 9:41 PM CDT (02:41 UTC)
Expired
May 27, 2021, 12:26 PM CDT
In force
15 hr
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Flood severity
None

County McPherson County, KS

The radar

The Wichita radar (KICT), 88 km from the middle of the area, began a volume at 02:41 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
May 26, 9:53 PM CDTFLOOD5.5 S Mcpherson, KSFLOODING ON COUNTY ROADS. DITCHES ARE RUNNING FULL.
May 27, 12:01 AM CDTFLASH FLOODMcpherson, KSMULTIPLE NEIGHBORHOODS IN MCPHERSON SURROUNDED BY WATER.
May 27, 7:00 AM CDTHEAVY RAIN 3.13Galva, KSCOCORAHS STATION KS-MP-65 GALVA 0.2 ESE.
May 27, 7:00 AM CDTHEAVY RAIN 3.253 Nnw Galva, KSCOCORAHS STATION KS-MP-55 MCPHERSON 6.6 ENE.
May 27, 7:00 AM CDTHEAVY RAIN 3.393 N Canton, KSCOCORAHS STATION KS-MP-21 CANTON 3.2 N.
May 27, 7:00 AM CDTHEAVY RAIN 3.443 E Mcpherson, KSCO-OP OBSERVER STATION MCPK1 2.9 E MCPHERSON.
May 27, 7:00 AM CDTHEAVY RAIN 3.597 Wsw Mcpherson, KSCOCORAHS STATION KS-MP-2 MC PHERSON 6.6 WSW.
May 27, 7:00 AM CDTHEAVY RAIN 3.876 Wsw Roxbury, KSCOCORAHS STATION KS-MP-36 GALVA 9.5 N.
May 27, 7:00 AM CDTHEAVY RAIN 4.351 Ne Mcpherson, KSCOCORAHS STATION KS-MP-48 MCPHERSON 0.9 NE.
May 27, 7:00 AM CDTHEAVY RAIN 4.431 Nw Mcpherson, KSCOCORAHS STATION KS-MP-64 MCPHERSON 1.1 NW.
May 27, 7:00 AM CDTHEAVY RAIN 4.673 Wnw Goessel, KSCO-OP OBSERVER STATION GOEK1 GOESSL 2 WNW.
May 27, 7:55 AM CDTHEAVY RAIN 3.69Mcpherson, KSMESONET STATION MCPHR MCPHERSON.
May 27, 8:00 AM CDTHEAVY RAIN 41 N Mcpherson, KSCOCORAHS STATION KS-MP-45 MCPHERSON 1.2 N.

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

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.7 hours before the alert went out and 181 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 2021-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 328 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 2021-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.19395878Sfc1 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
328 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
2025 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

384 
WGUS43 KICT 270241
FLWICT

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Wichita KS
941 PM CDT Wed May 26 2021

KSC113-271745-
/O.NEW.KICT.FA.W.0021.210527T0241Z-210527T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McPherson KS-
941 PM CDT Wed May 26 2021

The National Weather Service in Wichita has issued a

* Flood Warning for...
  McPherson County in central Kansas...

* Until 1245 PM CDT Thursday.

* At 941 PM CDT, Doppler radar indicated heavy rain due to 
  thunderstorms. Flooding is ongoing or expected to begin shortly in 
  the warned area.

* Law enforcement reports numerous flooding in the city of McPherson 
  at this time.

* Some locations that will experience flooding include...
  Mcpherson, Lindsborg, Moundridge, Inman, Galva, Canton, Marquette, 
  Windom, Mcpherson Airport and Roxbury.

Additional thunderstorms with very heavy rain is likely during the 
overnight hours though the warned area.

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.

&&

LAT...LON 3861 9737 3817 9737 3817 9792 3861 9792

$$

Metzger
1 follow-up statement
375 
WGUS83 KICT 271726
FLSICT

Flood Statement
National Weather Service Wichita KS
1226 PM CDT Thu May 27 2021

KSC113-271736-
/O.CAN.KICT.FA.W.0021.000000T0000Z-210527T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McPherson KS-
1226 PM CDT Thu May 27 2021

...FLOOD WARNING IS CANCELLED FOR MCPHERSON COUNTY...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

LAT...LON 3861 9737 3817 9737 3817 9792 3861 9792

$$

Salazar

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 7:15 PM CDTSevere Thunderstorm WarningICTEllsworth, McPherson, Rice45 min
May 26, 7:19 PM CDTAreal Flood WarningICTSaline4 hr
May 26, 7:40 PM CDTAreal Flood WarningICTRice4 days
May 26, 7:58 PM CDTSevere Thunderstorm WarningICTMcPherson, Rice47 min
May 26, 8:28 PM CDTSevere Thunderstorm WarningICTMcPherson47 min
May 26, 8:57 PM CDTSevere Thunderstorm WarningICTMcPherson33 min
May 26, 9:15 PM CDTSevere Thunderstorm WarningICTHarvey, McPherson, Marion, Reno45 min
May 26, 10:00 PM CDTRiver Flood WarningICTRussell5 hr
May 26, 10:00 PM CDTSevere Thunderstorm WarningICTHarvey, McPherson, Marion30 min
May 26, 10:31 PM CDTFlash Flood Warning Considerable damage threatICTMcPherson5 hr
May 26, 10:33 PM CDTAreal Flood WarningICTMarion37 hr
May 26, 10:35 PM CDTSpecial Weather StatementICTMarion25 min
May 26, 10:46 PM CDTSpecial Weather StatementICTHarper44 min
May 26, 10:55 PM CDTSevere Thunderstorm WarningICTHarvey, Marion50 min
May 26, 11:33 PM CDTFlash Flood Warning Considerable damage threatICTMarion12 hr
May 26, 11:35 PM CDTSevere Thunderstorm WarningICTSedgwick, Sumner25 min
May 26, 11:54 PM CDTSpecial Weather StatementICTSedgwick36 min
May 26, 11:59 PM CDTSpecial Weather StatementICTMarion61 min
May 27, 12:04 AM CDTSevere Thunderstorm WarningICTSedgwick42 min
May 27, 12:15 AM CDTSevere Thunderstorm WarningICTMarion46 min
May 27, 12:18 AM CDTSevere Thunderstorm WarningICTButler, Cowley, Sumner57 min
May 27, 12:20 AM CDTTornado WarningICTMarion25 min
May 27, 12:40 AM CDTTornado WarningICTButler, Cowley15 min
May 27, 12:43 AM CDTSevere Thunderstorm WarningICTButler, Chautauqua, Cowley, Elk, Greenwood62 min
May 27, 1:01 AM CDTSpecial Weather StatementICTChase29 min
May 27, 1:25 AM CDTSpecial Weather StatementICTMontgomery, Wilson, Woodson35 min
May 27, 1:43 AM CDTSpecial Weather StatementICTChautauqua, Elk, Greenwood62 min
May 27, 1:54 AM CDTSevere Thunderstorm WarningICTWilson, Woodson22 min
May 27, 2:18 AM CDTSpecial Weather StatementICTAllen, Chautauqua, Montgomery, Neosho, Wilson, Woodson57 min
May 27, 2:49 AM CDTSpecial Weather StatementICTLincoln26 min
May 27, 3:22 AM CDTSpecial Weather StatementICTMontgomery, Neosho, Wilson23 min
May 27, 3:45 AM CDTSpecial Weather StatementICTLabette, Neosho30 min
May 27, 9:12 AM CDTRiver Flood WarningICTNeosho37 hr
May 27, 9:12 AM CDTRiver Flood WarningICTLabette, Neosho71 hr
May 27, 9:12 AM CDTRiver Flood WarningICTCherokee, Labette4 days
May 27, 9:38 AM CDTRiver Flood WarningICTMarion35 hr
May 27, 10:20 AM CDTFlood WatchICTAllen, Butler, Chautauqua, Cowley, Elk, Greenwood and 5 more7 hr
May 27, 12:02 PM CDTSpecial Weather StatementICTChautauqua28 min
May 27, 12:09 PM CDTSpecial Weather StatementICTSumner36 min
May 27, 12:31 PM CDTSpecial Weather StatementICTMontgomery29 min
May 27, 12:59 PM CDTSpecial Weather StatementICTSumner31 min
May 27, 1:49 PM CDTSpecial Weather StatementICTCowley26 min
May 27, 2:29 PM CDTAreal Flood WarningICTChautauqua, Cowley4 hr
May 27, 2:34 PM CDTAreal Flood WarningICTSaline18 hr
May 27, 2:51 PM CDTSpecial Weather StatementICTCowley24 min
May 27, 4:13 PM CDTAreal Flood WarningICTLabette, Montgomery4 hr

Nearby

Areal Flood Warnings in Kansas, 2021Every areal 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.