Alert archive / Kansas / Flash Flood Warnings in 2007

Flash Flood Warning 21, NWS Kansas City, MO

June 18, 2007Linn County, Miami County, Kansas

NWS Kansas City, MO issued this flash flood warning at Jun 18, 2007, 6:40 PM CDT for Linn County, Miami County, Kansas. It was in force for 6 hr. 3 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
Jun 18, 2007, 6:40 PM CDT (23:40 UTC)
Expired
Jun 19, 2007, 12:30 AM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text
Flood severity
None

Counties Linn County, KS, Miami County, KS

The radar

The Pleasant Hill radar (KEAX), 64 km from the middle of the area, began a volume at 23:42 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
Jun 18, 9:00 PM CDTFLASH FLOOD1 N Parker, KSFARM POND OVERFLOWING ROAD AT 2300 AND DEVLON
Jun 18, 9:30 PM CDTFLASH FLOOD5 S Osawatomie, KSBARRICADES PUT UP DUE TO FLOODING OVER PLUM CREEK ROAD NEAR COUNTY LINE.
Jun 19, 12:22 AM CDTFLASH FLOOD10 Ene Fontana, KSCAR SUBMERGED NEAR 69 HWY AND 359TH STREET. DRIVER HAD TO SWIM TO ANOTHER VEHICLE.

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 12:00Z, 11.7 hours before the alert went out and 98 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 12:00Z on 2007-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 398 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 12:00Z on 2007-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
398 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
675 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KEAX 182346
FFWEAX
KSC107-121-190530-
/X.NEW.KEAX.FF.W.0021.070618T2340Z-070619T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
646 PM CDT MON JUN 18 2007

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LINN COUNTY IN EAST CENTRAL KANSAS
  SOUTHERN MIAMI COUNTY IN EAST CENTRAL KANSAS

* UNTIL 1230 AM CDT

* DOPPLER RADAR INDICATED THAT NEAR TWO INCHES OF RAIN HAD
  FALLEN WITHIN THE PAST HOUR TO THE WEST OF BEAGLE.  SLOW 
  MOVING THUNDERSTORMS PRODUCING HEAVY RAINFALL WILL CONTINUE 
  ACROSS THE WARNED AREA FOR THE NEXT COUPLE OF HOURS.  

* RUNOFF FROM THIS RAINFALL WILL CAUSE FLOODING...ESPECIALLY IN LOW
  LYING AND FLOOD PRONE LOCATIONS.  SOME LOCATIONS THAT WILL
  EXPERIENCE FLOODING INCLUDE...OSAWATOMIE...BEAGLE...PARKER...AND
  GOODRICH.  SOME CREEKS AND STREAMS WHICH MAY BE AFFECTED INCLUDE
  MOUND CREEK AND MIDDLE CREEK.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT OR IN A VEHICLE.

LAT...LON 3861 9462 3806 9463 3813 9506 3863 9505

$$

SAW

Nearby

Flash Flood Warnings in Kansas, 2007Every flash flood warning in 2007

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.