Alert archive / Kansas / Flash Flood Warnings in 2003

Flash Flood Warning 6, NWS Topeka, KS

September 11, 2003Cloud County, Ottawa County, Kansas

NWS Topeka, KS issued this flash flood warning at Sep 11, 2003, 1:29 AM CDT for Cloud County, Ottawa County, Kansas. 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 as issued.

The facts

Issued
Sep 11, 2003, 1:29 AM CDT (06:29 UTC)
Expired
Sep 11, 2003, 4:30 AM CDT
In force
3 hr
Issued by
NWS Topeka, KS
Area
Counties, with a storm outline in the text

Counties Cloud County, KS, Ottawa County, KS

The radar

The Topeka radar (KTWX), 124 km from the middle of the area, began a volume at 06:30 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, 6.5 hours before the alert went out and 173 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 2003-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 102 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 2003-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939Sfc1 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
102 J/kg
Mixed-layer CIN
-186 J/kg
Mixed-layer LCL
1821 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
187 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 KTOP 110629
FFWTOP
KSC029-143-110930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
129 AM CDT THU SEP 11 2003

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLOUD COUNTY IN NORTH CENTRAL KANSAS
  OTTAWA COUNTY IN NORTH CENTRAL KANSAS

* UNTIL 430 AM CDT

* AT 128 AM CDT...FLASH FLOODING WAS REPORTED IN CLOUD COUNTY WITH AT
  LEAST ONE ROAD CLOSED AND WATER OVER SEVERAL OTHER ROADWAYS.

* SOME LOCATIONS AFFECTED...
  ADA
  CLYDE
  JAMESTOWN
  AURORA

AT 128 AM THUNDERSTORMS CONTINUE TO MOVE ACROSS CLOUD AND OTTAWA 
COUNTIES. RAINS OF 2 TO LOCALLY OVER 5 INCHES HAVE BEEN PRODUCED BY 
THESE THUNDERSTORMS. 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.

DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROAD. THE WATER
MAY BE VERY DEEP. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED.

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.

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

LAT...LON 3964 9737 3898 9739 3898 9791 3964 9791

$$
1 follow-up statement
000 
WGUS73 KTOP 110833
FFSTOP
KSC029-143-110930-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
330 AM CDT THU SEP 11 2003

...A FLASH FLOOD WARNING CONTINUES FOR CLOUD AND OTTAWA COUNTIES
UNTIL 430 AM CDT...

THE RAINFALL RATES HAVE DECREASED ACROSS THE AREA...HOWEVER 
ADDITIONAL RAINFALL WILL ONLY AGGRAVATE THE SITUATION. RUNOFF FROM 
ADDITIONAL STORMS COULD 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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. MOVE TO HIGHER GROUND...AWAY FROM RISING WATER.

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 7:25 PM CDTSevere Thunderstorm WarningTOPRepublic50 min
Sep 10, 9:00 PM CDTSevere Thunderstorm WarningTOPCloud, Republic45 min
Sep 10, 9:44 PM CDTSevere Thunderstorm WarningTOPCloud, Republic46 min
Sep 10, 10:33 PM CDTFlash Flood WarningTOPCloud, Republic, Washington3 hr

Nearby

Flash Flood Warnings in Kansas, 2003Every flash flood warning in 2003

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.