Alert archive / Kansas / Areal Flood Warnings in 2019

Areal Flood Warning 13, NWS Wichita, KS

April 30, 2019Allen County, Kansas

NWS Wichita, KS issued this areal flood warning at Apr 30, 2019, 9:07 PM CDT for Allen County, Kansas. It was in force for 41 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
Apr 30, 2019, 9:07 PM CDT (02:07 UTC)
Expired
May 2, 2019, 2:23 PM CDT
In force
41 hr
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Flood severity
None

County Allen County, KS

The radar

The Pleasant Hill radar (KEAX), 137 km from the middle of the area, began a volume at 02:10 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

Springfield, MO (KSGF), launched 00:00Z, 2.1 hours before the alert went out and 172 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 00:00Z on 2019-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 390 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, Springfield, MO at 00:00Z on 2019-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 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
390 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
893 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
312 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.0

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 Apr 30, 6:44 PM CDT, 2 hours 23 minutes earlier.

Area forecast discussion, Apr 30, 6:44 PM CDT, 2 hours 23 minutes before
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Hazardous weather outlook, Apr 30, 4:42 PM CDT, 4 hours 25 minutes before
Hazardous Weather Outlook
National Weather Service Wichita KS
442 PM CDT Tue Apr 30 2019

KSZ032-033-047>053-067>072-082-083-091>096-098>100-012145-
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-
442 PM CDT Tue Apr 30 2019

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

.DAY ONE...Tonight

Scattered to numerous thunderstorms will continue through the
early evening. Severe storms will be possible generally east of the
Kansas turnpike with the main risks being quarter to ping-pong ball
size hail and damaging wind gusts to 65 mph. A limited risk for a
tornado will exist for far southeast Kansas, mainly near the
Oklahoma border. Strong storms with small hail and gusty winds to 50
mph will be possible for portions of south central Kansas to the
west of the turnpike for the rest of the afternoon. Locally heavy
rainfall is likely across most of south central and southeast Kansas
through early this evening and across portions of southeast Kansas
through early tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Multiple rounds of thunderstorms are in the forecast for Wednesday
through Thursday morning. Strong to severe storms will be possible
again on Wednesday afternoon and evening in southeast Kansas with
half dollar size hail, damaging wind gusts to 60 mph.

Flash flooding will also be a concern tonight through Wednesday,
as very heavy rainfall is expected with these storms. Low water
crossings, creeks and streams may become swollen. Flooding along the
Neosho and Verdigris Rivers in southeast Kansas will occur over the
next few days. See the latest river flood warnings for details.

Several more chances for thunderstorms will be possible Friday and
Saturday, but details remain unclear at this point. Stay tuned for
details.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and early evening
for locations mainly east of the Kansas turnpike.

&&

For a graphical version of this information, see our webpage at:
http://weather.gov/wichita/hwo/

In the hours before

Special weather statement, Apr 30, 4:53 PM CDT, 4 hours 14 minutes before
Special Weather Statement
National Weather Service Wichita KS
453 PM CDT Tue Apr 30 2019

KSZ070-071-302230-
Greenwood KS-Woodson KS-
453 PM CDT Tue Apr 30 2019

The National Weather Service in Wichita has issued a

* Significant Weather Advisory for...
  East central Greenwood County in southeastern Kansas...
  Woodson County in southeastern Kansas...

* Until 530 PM CDT.

* At 450 PM CDT...National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from near Olpe
  to 5 miles south of Toronto...and moving northeast at 55 mph.

hail up to the size of peas...and wind gusts up to 50 mph will be
possible with these storms.

* Locations impacted include...
  Yates Center, Toronto, Neosho Falls, Virgil, Cross Timbers State
  Park, Toronto Lake, Batesville, Rose and Piqua.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared to take shelter in the event the storms intensify and
become severe...or a warning is issued by the National Weather
Service.

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

&&

LAT...LON 3773 9553 3773 9606 3805 9608 3805 9596
      3804 9596 3804 9552
TIME...MOT...LOC 2153Z 207DEG 47KT 3829 9615 3773 9591

LAWSON
Special weather statement, Apr 30, 5:01 PM CDT, 4 hours 6 minutes before
Special Weather Statement
National Weather Service Wichita KS
501 PM CDT Tue Apr 30 2019

KSZ070-094-095-098-099-302230-
Montgomery KS-Wilson KS-Greenwood KS-Chautauqua KS-Elk KS-
501 PM CDT Tue Apr 30 2019

The National Weather Service in Wichita has issued a

* Significant Weather Advisory for...
  Montgomery County in southeastern Kansas...
  Wilson County in southeastern Kansas...
  Southeastern Greenwood County in southeastern Kansas...
  Chautauqua County in southeastern Kansas...
  Eastern Elk County in southeastern Kansas...

* Until 530 PM CDT.

* At 458 PM CDT...National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from Yates
  Center to 6 miles south of Longton...and moving northeast at 40
  mph.

wind gusts up to 50 mph will be possible with these storms.

* Locations impacted include...
  Coffeyville, Independence, Neodesha, Fredonia, Cherryvale, Caney,
  Sedan, Dearing, Altoona, Longton, Elk City, Buffalo, Tyro, Fall
  River, Peru, Liberty, Chautauqua, Elk Falls, Havana and Bolton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared to take shelter in the event the storms intensify and
become severe...or a warning is issued by the National Weather
Service.

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

&&

A Tornado Watch remains in effect until 1100 PM CDT for southeastern
Kansas.

LAT...LON 3773 9605 3773 9553 3700 9552 3701 9639
TIME...MOT...LOC 2200Z 245DEG 36KT 3788 9578 3729 9610

LAWSON
Special weather statement, Apr 30, 5:10 PM CDT, 3 hours 57 minutes before
Special Weather Statement
National Weather Service Wichita KS
510 PM CDT Tue Apr 30 2019

KSZ072-302245-
Allen KS-
510 PM CDT Tue Apr 30 2019

The National Weather Service in Wichita has issued a

* Significant Weather Advisory for...
  Allen County in southeastern Kansas...

* Until 545 PM CDT.

* At 508 PM CDT...National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from Le Roy to
  6 miles southwest of Buffalo...and moving northeast at 45 mph.

wind gusts up to 50 mph will be possible with these storms.

* Locations impacted include...
  Iola, Humboldt, La Harpe, Gas, Moran, Savonburg, Elsmore, Mildred,
  Bassett, Iola Airport and Petrolia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared to take shelter in the event the storms intensify and
become severe...or a warning is issued by the National Weather
Service.

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

&&

A Tornado Watch remains in effect until 1100 PM CDT for southeastern
Kansas.

LAT...LON 3774 9553 3804 9552 3804 9512 3773 9513
TIME...MOT...LOC 2210Z 245DEG 38KT 3807 9562 3763 9578

LAWSON
Local storm report, Apr 30, 5:31 PM CDT, 3 hours 36 minutes before
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Local storm report, Apr 30, 5:43 PM CDT, 3 hours 24 minutes before
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Local storm report, Apr 30, 5:52 PM CDT, 3 hours 15 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 8:29 PM CDTRiver Flood WarningICTReno, Rice36 hr
Apr 30, 10:04 PM CDTAreal Flood WarningICTChautauqua, Cowley12 hr
Apr 30, 11:11 PM CDTAreal Flood WarningICTChase, Greenwood12 hr
Apr 30, 11:39 PM CDTAreal Flood WarningICTLabette60 hr
May 1, 8:39 AM CDTRiver Flood WarningICTButler, Cowley18 hr
May 1, 9:58 AM CDTAreal Flood WarningICTChautauqua, Cowley29 hr
May 1, 11:16 AM CDTAreal Flood WarningICTGreenwood28 hr

Nearby

Areal Flood Warnings in Kansas, 2019Every areal flood warning in 2019

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.