Alert archive / Kansas / Flash Flood Warnings in 2021

Flash Flood Warning 3, NWS Wichita, KS

May 26, 2021McPherson County, Kansas

NWS Wichita, KS issued this flash flood warning at May 26, 2021, 10:31 PM CDT for McPherson County, Kansas. It was in force for 5 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: May 26, 2021, 10:31 PM CDT (03:31 UTC)
Expired: May 27, 2021, 3:11 AM CDT
In force: 5 hr
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Damage threat: Considerable
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 03:31 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

Time	Report	Where	Remark
May 27, 12:01 AM CDT	FLASH FLOOD	Mcpherson, KS	MULTIPLE NEIGHBORHOODS IN MCPHERSON SURROUNDED BY WATER.

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, 3.5 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

247 
WGUS53 KICT 270331
FFWICT
KSC113-270830-
/O.NEW.KICT.FF.W.0003.210527T0331Z-210527T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Wichita KS
1031 PM CDT Wed May 26 2021

The National Weather Service in Wichita has issued a

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

* Until 330 AM CDT.

* At 1031 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 4 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

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

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.  A
           number of water rescues have occurred in McPherson
           this evening.

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

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 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.

&&

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

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Metzger

1 follow-up statement

723 
WGUS73 KICT 270811
FFSICT

Flash Flood Statement
National Weather Service Wichita KS
311 AM CDT Thu May 27 2021

KSC113-270821-
/O.CAN.KICT.FF.W.0003.000000T0000Z-210527T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McPherson KS-
311 AM CDT Thu May 27 2021

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

The heavy rain has ended. Flash Flooding is no longer expected to 
pose an immediate threat. Please continue to heed remaining road 
closures.

An areal flood warning remains in effect.

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

$$

Butler

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 7:15 PM CDT	Severe Thunderstorm Warning	ICT	Ellsworth, McPherson, Rice	45 min
May 26, 7:19 PM CDT	Areal Flood Warning	ICT	Saline	4 hr
May 26, 7:40 PM CDT	Areal Flood Warning	ICT	Rice	4 days
May 26, 7:58 PM CDT	Severe Thunderstorm Warning	ICT	McPherson, Rice	47 min
May 26, 8:28 PM CDT	Severe Thunderstorm Warning	ICT	McPherson	47 min
May 26, 8:57 PM CDT	Severe Thunderstorm Warning	ICT	McPherson	33 min
May 26, 9:15 PM CDT	Severe Thunderstorm Warning	ICT	Harvey, McPherson, Marion, Reno	45 min
May 26, 9:41 PM CDT	Areal Flood Warning	ICT	McPherson	15 hr
May 26, 10:00 PM CDT	River Flood Warning	ICT	Russell	5 hr
May 26, 10:00 PM CDT	Severe Thunderstorm Warning	ICT	Harvey, McPherson, Marion	30 min
May 26, 10:33 PM CDT	Areal Flood Warning	ICT	Marion	37 hr
May 26, 10:35 PM CDT	Special Weather Statement	ICT	Marion	25 min
May 26, 10:46 PM CDT	Special Weather Statement	ICT	Harper	44 min
May 26, 10:55 PM CDT	Severe Thunderstorm Warning	ICT	Harvey, Marion	50 min
May 26, 11:33 PM CDT	Flash Flood Warning Considerable damage threat	ICT	Marion	12 hr
May 26, 11:35 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick, Sumner	25 min
May 26, 11:54 PM CDT	Special Weather Statement	ICT	Sedgwick	36 min
May 26, 11:59 PM CDT	Special Weather Statement	ICT	Marion	61 min
May 27, 12:04 AM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	42 min
May 27, 12:15 AM CDT	Severe Thunderstorm Warning	ICT	Marion	46 min
May 27, 12:18 AM CDT	Severe Thunderstorm Warning	ICT	Butler, Cowley, Sumner	57 min
May 27, 12:20 AM CDT	Tornado Warning	ICT	Marion	25 min
May 27, 12:40 AM CDT	Tornado Warning	ICT	Butler, Cowley	15 min
May 27, 12:43 AM CDT	Severe Thunderstorm Warning	ICT	Butler, Chautauqua, Cowley, Elk, Greenwood	62 min
May 27, 1:01 AM CDT	Special Weather Statement	ICT	Chase	29 min
May 27, 1:25 AM CDT	Special Weather Statement	ICT	Montgomery, Wilson, Woodson	35 min
May 27, 1:43 AM CDT	Special Weather Statement	ICT	Chautauqua, Elk, Greenwood	62 min
May 27, 1:54 AM CDT	Severe Thunderstorm Warning	ICT	Wilson, Woodson	22 min
May 27, 2:18 AM CDT	Special Weather Statement	ICT	Allen, Chautauqua, Montgomery, Neosho, Wilson, Woodson	57 min
May 27, 2:49 AM CDT	Special Weather Statement	ICT	Lincoln	26 min
May 27, 3:22 AM CDT	Special Weather Statement	ICT	Montgomery, Neosho, Wilson	23 min
May 27, 3:45 AM CDT	Special Weather Statement	ICT	Labette, Neosho	30 min
May 27, 9:12 AM CDT	River Flood Warning	ICT	Neosho	37 hr
May 27, 9:12 AM CDT	River Flood Warning	ICT	Labette, Neosho	71 hr
May 27, 9:12 AM CDT	River Flood Warning	ICT	Cherokee, Labette	4 days
May 27, 9:38 AM CDT	River Flood Warning	ICT	Marion	35 hr
May 27, 10:20 AM CDT	Flood Watch	ICT	Allen, Butler, Chautauqua, Cowley, Elk, Greenwood and 5 more	7 hr
May 27, 12:02 PM CDT	Special Weather Statement	ICT	Chautauqua	28 min
May 27, 12:09 PM CDT	Special Weather Statement	ICT	Sumner	36 min
May 27, 12:31 PM CDT	Special Weather Statement	ICT	Montgomery	29 min
May 27, 12:59 PM CDT	Special Weather Statement	ICT	Sumner	31 min
May 27, 1:49 PM CDT	Special Weather Statement	ICT	Cowley	26 min
May 27, 2:29 PM CDT	Areal Flood Warning	ICT	Chautauqua, Cowley	4 hr
May 27, 2:34 PM CDT	Areal Flood Warning	ICT	Saline	18 hr
May 27, 2:51 PM CDT	Special Weather Statement	ICT	Cowley	24 min
May 27, 4:13 PM CDT	Areal Flood Warning	ICT	Labette, Montgomery	4 hr

Nearby

Flash Flood Warnings in Kansas, 2021 Every 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.