Alert archive / Kansas / Areal Flood Warnings in 2021

Areal Flood Warning 58, NWS Wichita, KS

August 13, 2021Allen County, Wilson County, Woodson County, Kansas

NWS Wichita, KS issued this areal flood warning at Aug 13, 2021, 6:11 AM CDT for Allen County, Wilson County, Woodson County, Kansas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 13, 2021, 6:11 AM CDT (11:11 UTC)
Expired
Aug 13, 2021, 10:15 AM CDT
In force
4 hr
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Flood severity
None

Counties Allen County, KS, Wilson County, KS, Woodson County, KS

The radar

The Topeka radar (KTWX), 147 km from the middle of the area, began a volume at 11:14 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, 11.2 hours before the alert went out and 136 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 2021-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4214 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2021-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.1939Sfc1 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
4214 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
1420 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wichita, KS wrote its last area forecast discussion before this areal flood warning went out at Aug 13, 5:31 AM CDT, 40 minutes earlier.

Area forecast discussion, Aug 13, 5:31 AM CDT, 40 minutes before
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Hazardous weather outlook, Aug 13, 3:46 AM CDT, 2 hours 25 minutes before
Hazardous Weather Outlook
National Weather Service Wichita KS
346 AM CDT Fri Aug 13 2021

KSZ032-033-047>053-067>072-082-083-091>096-098>100-140900-
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion-Chase-
Reno-Harvey-Butler-Greenwood-Woodson-Allen-Kingman-Sedgwick-Harper-
Sumner-Cowley-Elk-Wilson-Neosho-Chautauqua-Montgomery-Labette-
346 AM CDT Fri Aug 13 2021

This hazardous weather outlook is for portions of Central Kansas,
South Central Kansas and Southeast Kansas.

.DAY ONE...Today and Tonight

Scattered storms will affect much of the area today. The strongest
thunderstorms could produce nickel size hail, wind gusts up to 55
mph, and locally heavy rainfall with some flooding will be possible.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

A continued risk of scattered thunderstorms is possible for Saturday
and Sunday. The strongest thunderstorms could produce dime size
hail and wind gusts up to 60 mph. Intense rainfall rates and minor
flooding may occur as well.

Thunderstorms will again become a possibility for much of next week.
Intensity and areal coverage of this activity is question at this
time. At this time, severe weather does not look likely but this
could change as new model runs come in. Stay tuned for updates.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today or tonight.

&&

For a graphical version of this information, see our webpage at:
https://weather.gov/crh/ghwo?sid=ict

In the hours before

Special weather statement, Aug 13, 2:22 AM CDT, 3 hours 49 minutes before
Special Weather Statement
National Weather Service Wichita KS
222 AM CDT Fri Aug 13 2021

KSZ070-130745-
Greenwood KS-
222 AM CDT Fri Aug 13 2021

...Strong thunderstorms will impact portions of northern Greenwood
County through 245 AM CDT...

At 220 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Emporia to just north of Eureka. Movement
was slowly east at 10 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail along with
         torrential rainfall rates.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Eureka, Madison, Hamilton, Virgil, Eureka City Lake, Thrall and
Eureka Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3780 9596 3779 9643 3809 9639 3809 9636
      3817 9636 3817 9596
TIME...MOT...LOC 0720Z 268DEG 7KT 3837 9624 3781 9635

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

DARMOFAL
Special weather statement, Aug 13, 3:16 AM CDT, 2 hours 55 minutes before
Special Weather Statement
National Weather Service Wichita KS
316 AM CDT Fri Aug 13 2021

KSZ070-130845-
Greenwood KS-
316 AM CDT Fri Aug 13 2021

...Strong thunderstorms will impact portions of Greenwood County
through 345 AM CDT...

At 316 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Madison to 7 miles south of Eureka.
Movement was southeast at 15 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Eureka, Madison, Hamilton, Climax, Virgil, Eureka City Lake, Fall
River Lake, Thrall, Eureka Airport, Fall River State Park and Cross
Timbers State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3767 9641 3809 9640 3809 9636 3817 9636
      3817 9596 3762 9596
TIME...MOT...LOC 0816Z 319DEG 12KT 3810 9620 3772 9631

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

DARMOFAL
Special weather statement, Aug 13, 3:57 AM CDT, 2 hours 14 minutes before
Special Weather Statement
National Weather Service Wichita KS
357 AM CDT Fri Aug 13 2021

KSZ069-070-130930-
Butler KS-Greenwood KS-
357 AM CDT Fri Aug 13 2021

...Strong thunderstorms will impact portions of Butler and Greenwood
Counties through 430 AM CDT...

At 355 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles southwest of Gridley to Eureka to near
Elbing. These storms were nearly stationary.

HAZARD...Wind gusts up to 50 mph and torrential rainfall rates.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
El Dorado, Andover, Augusta, Eureka, Towanda, Benton, Leon, Madison,
Potwin, Hamilton, Severy, Elbing, Burns, Fall River, Rosalia,
Cassoday, Climax, Virgil, Eureka City Lake and Santa Fe Lake.

This includes Interstate 35 between Mile Markers 56 and 96.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3761 9651 3767 9714 3809 9713 3809 9636
      3812 9636 3817 9608 3817 9596 3760 9597
TIME...MOT...LOC 0855Z 123DEG 4KT 3803 9598 3781 9650 3801 9712

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

DARMOFAL
Special weather statement, Aug 13, 4:30 AM CDT, 1 hour 41 minutes before
Special Weather Statement
National Weather Service Wichita KS
430 AM CDT Fri Aug 13 2021

KSZ069-070-094-131000-
Butler KS-Greenwood KS-Elk KS-
430 AM CDT Fri Aug 13 2021

...Strong thunderstorms will impact portions of northern Elk, Butler
and southern Greenwood Counties through 500 AM CDT...

At 429 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Fall River to Latham to Whitewater. These
storms were nearly stationary.

HAZARD...Wind gusts up to 50 mph and torrential rainfall rates.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
El Dorado, Andover, Augusta, Rose Hill, Eureka, Douglass, Towanda,
Benton, Whitewater, Leon, Potwin, Severy, Elbing, Fall River, Latham,
Rosalia, Climax, Eureka City Lake, Santa Fe Lake and El Dorado State
Park.

This includes Interstate 35 between Mile Markers 56 and 85.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3748 9714 3808 9715 3792 9650 3794 9596
      3748 9596
TIME...MOT...LOC 0929Z 090DEG 1KT 3761 9596 3754 9666 3799 9715

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

DARMOFAL
Special weather statement, Aug 13, 5:01 AM CDT, 1 hour 10 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 7:12 PM CDTSpecial Weather StatementICTSaline48 min
Aug 12, 7:37 PM CDTSpecial Weather StatementICTRice38 min
Aug 12, 8:06 PM CDTSpecial Weather StatementICTRice39 min
Aug 12, 8:23 PM CDTSpecial Weather StatementICTReno37 min
Aug 12, 8:31 PM CDTSpecial Weather StatementICTRussell44 min
Aug 12, 8:49 PM CDTSpecial Weather StatementICTMcPherson41 min
Aug 12, 9:11 PM CDTSpecial Weather StatementICTMcPherson34 min
Aug 12, 9:44 PM CDTSpecial Weather StatementICTMcPherson31 min
Aug 12, 9:56 PM CDTSpecial Weather StatementICTMarion34 min
Aug 12, 10:01 PM CDTSpecial Weather StatementICTRice29 min
Aug 12, 10:11 PM CDTSpecial Weather StatementICTMarion34 min
Aug 12, 10:32 PM CDTSpecial Weather StatementICTRice28 min
Aug 12, 10:48 PM CDTSpecial Weather StatementICTMarion27 min
Aug 12, 10:52 PM CDTAreal Flood WarningICTRice5 hr
Aug 12, 11:18 PM CDTSpecial Weather StatementICTEllsworth27 min
Aug 12, 11:19 PM CDTSpecial Weather StatementICTMarion26 min
Aug 12, 11:50 PM CDTSpecial Weather StatementICTMarion25 min
Aug 13, 12:20 AM CDTAreal Flood WarningICTMarion5 hr
Aug 13, 2:22 AM CDTSpecial Weather StatementICTGreenwood23 min
Aug 13, 2:42 AM CDTSevere Thunderstorm WarningICTGreenwood33 min
Aug 13, 3:16 AM CDTSpecial Weather StatementICTGreenwood29 min
Aug 13, 3:57 AM CDTSpecial Weather StatementICTButler, Greenwood33 min
Aug 13, 4:15 AM CDTAreal Flood WarningICTButler, Chase, Greenwood, Marion5 hr
Aug 13, 4:30 AM CDTSpecial Weather StatementICTButler, Greenwood30 min
Aug 13, 5:01 AM CDTSpecial Weather StatementICTElk29 min
Aug 13, 7:38 AM CDTSpecial Weather StatementICTLabette37 min
Aug 13, 8:15 AM CDTSpecial Weather StatementICTLabette, Montgomery45 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.