Alert archive / Kansas / Flash Flood Warnings in 2004

Flash Flood Warning 8, NWS Topeka, KS

May 18, 2004Clay County, Cloud County, Kansas

NWS Topeka, KS issued this flash flood warning at May 18, 2004, 6:40 AM CDT for Clay County, Cloud County, Kansas. It was in force for 2 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
May 18, 2004, 6:40 AM CDT (11:40 UTC)
Expired
May 18, 2004, 8:45 AM CDT
In force
2 hr
Issued by
NWS Topeka, KS
Area
Counties, with a storm outline in the text

Counties Clay County, KS, Cloud County, KS

The radar

The Topeka radar (KTWX), 109 km from the middle of the area, began a volume at 11:42 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.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 11.7 hours before the alert went out and 155 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 2004-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 555 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 2004-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
555 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1487 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KTOP 181142
FFWTOP
KSC027-029-181345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
640 AM CDT TUE MAY 18 2004

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN CLAY COUNTY IN NORTH CENTRAL KANSAS
  EAST CENTRAL CLOUD COUNTY IN NORTH CENTRAL KANSAS

* UNTIL 845 AM CDT

* AT 634 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN FROM A THUNDERSTORM 6 MILES EAST OF AURORA AND 
EXTENDING EAST  TO MORGANVILLE. THE THUNDERSTORMS WERE MOVING EAST 
AT 25 MPH BUT WERE BACK BUILDING ACROSS EASTERN CLOUD COUNTY. 
NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES 2 TO 3 INCHES OF 
RAIN PER HOUR.

* LOCATIONS IMPACTED INCLUDE...
  AURORA
  GARFIELD CENTER
  ST JOSEPH
  MORGANVILLE
  GREEN

HEAVY RAINFALL WILL CAUSE FLOODING OF INTERSECTIONS AND 
ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

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.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE POSSIBLE IN 
THE WARNED AREA.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
TOPEKA.

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

LAT...LON 3954 9758 3936 9758 3938 9697 3955 9696

$$
2 follow-up statements
000 
WGUS73 KTOP 181220
FFSTOP
KSC027-029-181345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
720 AM CDT TUE MAY 18 2004

...A FLASH FLOOD WARNING CONTINUES FOR EAST CENTRAL CLOUD AND
NORTHERN CLAY COUNTIES UNTIL 845 AM CDT...

THE HEAVY RAINFALL HAS MOVED EAST OUT OF CLOUD COUNTY...HOWEVER 
RUNOFF FROM EARLIER HEAVY RAINFALL MAY STILL CAUSE ROADWAYS AND 
LOW-LYING AREAS TO FLOOD. NATIONAL WEATHER SERVICE DOPPLER RADAR 
SHOWED A LINE OF THUNDERSTORMS OVER NORTHERN CLAY COUNTY MOVING EAST 
AT 20 MPH. NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
ESTIMATE ONE TO TWO INCHES OF RAIN PER HOUR ACROSS NORTHERN CLAY 
COUNTY. THE HEAVY RAINFALL WILL CAUSE FLASH FLOODING OF 
INTERSECTIONS AND ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF 
CREEKS AND STREAMS.

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.

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

$$
000 
WGUS73 KTOP 181312
FFSTOP
KSC029-181345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
812 AM CDT TUE MAY 18 2004

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EAST CENTRAL CLOUD 
AND NORTHERN CLAY COUNTIES...

THE RAINFALL HAS ENDED AND NO FLOODING HAS BEEN REPORTED ACROSS EAST 
CENTRAL CLOUD AND NORTHERN CLAY COUNTIES DURING THE PAST 
HOUR...THEREFORE THE FLASH FLOOD WARNING HAS BEEN CANCELLED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 3:15 AM CDTSevere Thunderstorm WarningTOPRiley45 min
May 18, 5:00 AM CDTSevere Thunderstorm WarningTOPDickinson45 min
May 18, 5:02 AM CDTFlash Flood WarningTOPBrown, Marshall, Nemaha3 hr
May 18, 5:40 AM CDTSevere Thunderstorm WarningTOPGeary, Morris, Wabaunsee35 min
May 18, 11:16 AM CDTSevere Thunderstorm WarningTOPDouglas29 min

Nearby

Flash Flood Warnings in Kansas, 2004Every flash flood warning in 2004

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.