Flash Flood Warning 11, NWS Topeka, KS

Issued

Jul 27, 2001, 11:28 PM CDT (04:28 UTC)

Expired

Jul 28, 2001, 2:30 AM CDT

In force

3 hr

Issued by

NWS Topeka, KS

Area

Whole counties

Counties Clay County, KS, Marshall County, KS, Washington County, KS

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FFWTOP
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BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1128 PM CDT FRI JUL 27 2001

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN NORTH CENTRAL KANSAS
  WASHINGTON COUNTY IN NORTH CENTRAL KANSAS
  MARSHALL COUNTY IN NORTHEAST KANSAS

* UNTIL 230 AM CDT

* AT 1123 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH HEAVY RAINS MOVING OVER THE WARNED AREA. 
THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE EAST ACROSS NORTH 
CENTRAL AND NORTHEAST KANSAS OVERNIGHT. RAINFALL AMOUNTS AS MUCH AS 
ONE TO TWO INCHES AND HOUR ARE POSSIBLE. 

THE CLAY COUNTY SHERIFF REPORTED MINOR FLOODING IN PARTS OF CENTRAL 
AND NORTHERN CLAY COUNTY.

* SOME LOCATIONS AFFECTED...
  CLAY CENTER
  MARYSVILLE
  WASHINGTON
  LONGFORD

RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF CREEKS AND
STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY ROADS AND FARMLANDS
ALONG THE BANKS OF CREEKS AND STREAMS AND LOW LYING AREAS ARE SUBJECT
TO FLASH FLOODING.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS
TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING
WATERS OR WATERS OF UNKNOWN DEPTH.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST WEATHER INFORMATION.

NWS Topeka, KS wrote its last area forecast discussion before this flash flood warning went out at Jul 27, 2:45 PM CDT, 8 hours 43 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TOPEKA KS
245 PM CDT FRI JUL 27 2001

18Z MODEL COMPARISONS TO CURRENT OBSERVATIONS WOULD INDICATE THAT
THE 925-700MB PLACEMENT OF THE LOW PRESSURE TROF FROM NORTHCENTRAL
NEBRASKA INTO EASTERN COLORADO.

PLAN TO UTILIZE A COMBINATION OF AVN/ETA MODELS.  H300-150
DIVERGENCE INCREASES DURING THE NIGHT AND MAXIMIZES AROUND 12Z OVER
CENTRAL AND EASTERN KANSAS BEFORE MOVING OFF TO THE EAST BY
AFTERNOON.

THEREFORE CONVECTION DEVELOPING IN WESTERN KANSAS SHOULD INITIALLY
MOVE EAST/NORTHEAST DURING THE EVENING BEFORE TAKING ON A MORE
SOUTHEAST MOVEMENT BY 12Z SATURDAY.  THIS TREND WOULD CARRY THE
HEAVIEST PRECIPITATION OVER THE SOUTHERN ZONES.  PLAN TO CONTINUE
LIKELY WORDING IN THE SOUTH (ALTHOUGH WILL PUSH THE LINE SOUTH OF
THE CURRENT ZONES)...WITH A CHANCE IN THE NORTH.  IN REALITY...THE
HEAVIEST RAINS MAY NOT OCCUR UNTIL NEAR SUNRISE THEN LAP OVER
THROUGH MID-MORNING OVER THE EAST-CENTRAL ZONES.

RAIN SHOULD END BY SUNRISE ON SATURDAY IN THE NORTHCENTRAL AND
SLOWLY PROGRESS TO THE SOUTHEAST WITH THE SURFACE-850MB TROF.

MOSTLY CLEAR SKIES TO FOLLOW FOR THE REST OF THE FORECAST.

ROGERS
.TOP...NONE

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

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.