Alert archive / Kansas / Flash Flood Warnings in 2001

Flash Flood Warning 26, NWS Kansas City, MO

June 20, 2001Atchison County, Kansas; Platte County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 20, 2001, 10:00 AM CDT for Atchison County, Kansas; Platte County, Missouri. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 20, 2001, 10:00 AM CDT (15:00 UTC)
Expired
Jun 20, 2001, 1:00 PM CDT
In force
3 hr
Issued by
NWS Kansas City, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Atchison County, KS, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 104 km from the middle of the area, began a volume at 15:03 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 12:00Z, 3.0 hours before the alert went out and 71 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 2001-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 12:00Z on 2001-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
9 J/kg
Mixed-layer CIN
-279 J/kg
Mixed-layer LCL
601 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 201509
FFWEAX
KSC005-MOC165-201800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1000 AM CDT WED JUN 20 2001

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  ATCHISON COUNTY IN NORTHEAST KANSAS
  PLATTE COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 100 PM CDT

* AT 1000 AM CDT...THE SHERIFF OFFICES REPORTED SEVERAL ROADS CLOSED
IN THEIR COUNTIES DUE TO HIGH WATER FROM THE RAIN THAT OCCURRED ON
TUESDAY AND EARLIER TODAY.

* SOME ROADS CLOSED INCLUDE...
IN ATCHISON COUNTY KANSAS...
59 HIGHWAY AT EDWARDS...U.S. 74 NORTH OF EFFINGHAM...230TH AND
OTTAWA...206 WEST OF ROLLINS...KANSAS 9 AND HASKELL...OTTAWA AND
286...SHERMAN ROAD BETWEEN 242 AND 246 STREETS.
IN PLATTE COUNTY MISSOURI...
EDGERTON JUNCTION, E HIGHWAY AT SKINNERS BRIDGE...B HIGHWAY AND KK
HIGHWAY...UNIONVILLE ROAD...92 HIGHWAY AT TODD CREEK AND 92 HIGHWAY
AT SECOND CREEK.

THE FLASH FLOOD WARNING WILL NOT BE RENEWED FOR LEAVENWORTH COUNTY
IN KANSAS. SOME ROADS ALONG THE STRANGER CREEK ARE CLOSED. A FLOOD
WARNING IS IN EFFECT FOR THAT CREEK.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

LAT...LON 3962 9553 3946 9554 3944 9495 3925 94802
          3924 9466 3954 9466 3952 9507 3964 9516

PC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 7:17 PM CDTFlash Flood WarningEAXAtchison3 hr
Jun 19, 11:01 PM CDTFlash Flood WarningEAXLeavenworth6 hr
Jun 20, 1:30 AM CDTFlash Flood WarningEAXAtchison3 hr
Jun 20, 4:30 AM CDTFlash Flood WarningEAXAtchison, Leavenworth6 hr
Jun 19, 8:49 PM CDTSevere Thunderstorm WarningEAXClay, Jackson56 min

Nearby

Flash Flood Warnings in Kansas, 2001Flash Flood Warnings in Missouri, 2001Every flash flood warning in 2001

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.