Alert archive / Kansas / Flash Flood Warnings in 2004

Flash Flood Warning 35, NWS Topeka, KS

July 2, 2004Pottawatomie County, Wabaunsee County, Kansas

NWS Topeka, KS issued this flash flood warning at Jul 2, 2004, 4:18 PM CDT for Pottawatomie County, Wabaunsee County, Kansas. It was in force for 3 hr. 1 report 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
Jul 2, 2004, 4:18 PM CDT (21:18 UTC)
Expired
Jul 2, 2004, 7:15 PM CDT
In force
3 hr
Issued by
NWS Topeka, KS
Area
Counties, with a storm outline in the text

Counties Pottawatomie County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 23 km from the middle of the area, began a volume at 21:17 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
Jul 2, 4:36 PM CDTFLASH FLOODWamego, KSHEAVY RAIN RESULTED IN WATER FLOWING IN THE STREETS OF WAMEGO.

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, 9.3 hours before the alert went out and 60 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 2004-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 210 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 2004-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
210 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
108 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 022119
FFWTOP
KSC149-197-030015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
418 PM CDT FRI JUL 2 2004

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN WABAUNSEE COUNTY IN EAST CENTRAL KANSAS
  CENTRAL AND SOUTHERN POTTAWATOMIE COUNTY IN NORTHEAST KANSAS

* UNTIL 715 PM CDT

* AT 416 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN OCCURRING FROM A LINE OF THUNDERSTORMS THAT WAS    
  NEARLY STATIONARY FROM OLSBURG TO WAMEGO TO ST. MARYS AND PAXICO.
  A STORM SPOTTER IN WAMEGO REPORTED 1.4 INCHES OF RAIN FALLING 
  BETWEEN 315 PM AND 410 PM. 

* LOCATIONS IMPACTED INCLUDE...
  MAPLE HILL
  WAMEGO
  ST. GEORGE
  PAXICO

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.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS
BRIDGES OR LOW SPOTS IF WATER COVERS THE ROAD.

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

LAT...LON 3940 9661 3928 9605 3912 9605 3909 9596
      3904 9597 3906 9638 3918 9640 3920 9653

$$

38
2 follow-up statements
000 
WGUS73 KTOP 022218
FFSTOP
KSC149-197-030015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
518 PM CDT FRI JUL 2 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 715 PM CDT FOR NORTHERN
WABAUNSEE AND SOUTHERN POTTAWATOMIE COUNTIES...

AT 516 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS...PRODUCING MODERATE TO HEAVY RAIN...OVER 
SOUTHERN POTTAWATOMIE AND NORTHERN WABAUNSEE COUNTIES. THE STORMS 
WERE SLOWLY SAGGING TO THE SOUTH ACROSS WABAUNSEE COUNTY.

LOCATIONS IMPACTED INCLUDE...
  LOUISVILLE
  BELVUE
  ST. MARYS
  WAMEGO
  ST. GEORGE

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. NEVER ATTEMPT TO
CROSS FLOWING WATER IN A CAR OR ON FOOT.

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

LAT...LON 3940 9661 3928 9605 3912 9605 3909 9596
      3904 9597 3906 9638 3918 9640 3920 9653

$$
000 
WGUS73 KTOP 022250
FFSTOP
KSC149-197-030015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
550 PM CDT FRI JUL 2 2004

...THE FLASH FLOOD WARNING FOR NORTHERN WABAUNSEE AND SOUTHERN
POTTAWATOMIE COUNTIES HAS BEEN CANCELLED...

AT 548 PM CDT...RADAR SHOWED THE HEAVY RAINS HAD ENDED OVER 
SOUTHERN POTTAWATOMIE AND NORTHERN WABAUNSEE COUNTIES. ALTHOUGH 
OCCASIONAL LIGHT TO MODERATE RAINS WILL CONTINUE INTO THE 
EVENING HOURS...THE THREAT FOR FLASH FLOODING RAINS APPEARS TO HAVE 
DIMINISHED. CONSEQUENTLY...THE FLASH FLOOD WARNING HAS BEEN 
CANCELLED.

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

LAT...LON 3940 9661 3928 9605 3912 9605 3909 9596
      3904 9597 3906 9638 3918 9640 3920 9653

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 12:11 PM CDTFlash Flood WarningTOPDouglas, Jefferson2 hr
Jul 2, 2:14 PM CDTFlash Flood WarningTOPDouglas, Jefferson2 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.