Alert archive / Kansas / Flash Flood Warnings in 2019

Flash Flood Warning 49, NWS Kansas City, MO

August 15, 2019Doniphan County, Kansas

NWS Kansas City, MO issued this flash flood warning at Aug 15, 2019, 9:11 PM CDT for Doniphan County, Kansas. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 15, 2019, 9:11 PM CDT (02:11 UTC)
Expired
Aug 16, 2019, 3:15 AM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Flood severity
None

County Doniphan County, KS

The radar

The Pleasant Hill radar (KEAX), 125 km from the middle of the area, began a volume at 02:11 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, 2.2 hours before the alert went out and 94 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 2019-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1479 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 2019-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 261 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
1479 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
1268 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
261 m²/s²
0-3 km storm-relative helicity
570 m²/s²
Significant tornado parameter
2.0
Supercell composite
19.6

Open this sounding in Storm Lab

The text

As transmitted.

001 
WGUS53 KEAX 160211
FFWEAX
KSC043-160815-
/O.NEW.KEAX.FF.W.0049.190816T0211Z-190816T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
911 PM CDT Thu Aug 15 2019

The National Weather Service in Pleasant Hill has issued a

* Flash Flood Warning for...
  Doniphan County in northeastern Kansas...

* Until 315 AM CDT Friday.

* At 910 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Two to four inches of rain has 
  fallen. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Wathena, Highland, Troy, Denton, Doniphan, Severance, Leona,
  Fanning and Bendena.

Additional rainfall amounts of one to three inches are possible in 
the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3998 9534 3975 9493 3974 9494 3974 9496
      3973 9497 3968 9498 3967 9502 3963 9505
      3964 9512 3965 9512 3965 9515 3970 9534

$$

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 15, 7:46 PM CDTSevere Thunderstorm WarningEAXAtchison, Doniphan44 min
Aug 15, 8:24 PM CDTSevere Thunderstorm WarningEAXAtchison, Doniphan, Leavenworth51 min
Aug 15, 8:38 PM CDTRiver Flood WarningEAXAtchison3 days
Aug 15, 9:00 PM CDTSpecial Weather StatementEAXDoniphan45 min
Aug 15, 9:41 PM CDTSevere Thunderstorm WarningEAXAtchison, Doniphan34 min
Aug 15, 11:42 PM CDTSpecial Weather StatementEAXLinn, Miami48 min
Aug 15, 11:59 PM CDTSevere Thunderstorm WarningEAXLinn, Miami46 min
Aug 16, 12:00 AM CDTSevere Thunderstorm WarningEAXWyandotte45 min
Aug 16, 12:35 AM CDTSevere Thunderstorm WarningEAXLinn, Miami40 min
Aug 16, 1:10 AM CDTSevere Thunderstorm WarningEAXLinn35 min
Aug 16, 3:18 AM CDTSevere Thunderstorm WarningEAXLinn, Miami42 min
Aug 16, 3:31 AM CDTSevere Thunderstorm WarningEAXLeavenworth44 min
Aug 16, 3:41 AM CDTFlash Flood WarningEAXLinn3 hr
Aug 16, 12:53 PM CDTFlash Flood WatchEAXAtchison, Doniphan, Johnson, Leavenworth, Miami, Wyandotte23 hr

Nearby

Flash Flood Warnings in Kansas, 2019Every flash 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.