Alert archive / Kansas / Flash Flood Warnings in 2008

Flash Flood Warning 2, NWS Topeka, KS

April 25, 2008Republic County, Washington County, Kansas

NWS Topeka, KS issued this flash flood warning at Apr 25, 2008, 1:18 AM CDT for Republic County, Washington 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
Apr 25, 2008, 1:18 AM CDT (06:18 UTC)
Expired
Apr 25, 2008, 4:15 AM CDT
In force
3 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
None

Counties Republic County, KS, Washington County, KS

The radar

The Grand Island radar (KUEX), 114 km from the middle of the area, began a volume at 06:20 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, 6.3 hours before the alert went out and 168 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 2008-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 956 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 2008-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.1939587897Sfc1 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
956 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KTOP 250621
FFWTOP
KSC157-201-250915-
/O.NEW.KTOP.FF.W.0002.080425T0618Z-080425T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
118 AM CDT FRI APR 25 2008

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  REPUBLIC COUNTY IN NORTH CENTRAL KANSAS...
  NORTHERN WASHINGTON COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 415 AM CDT

* AT 112 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN FROM THUNDERSTORMS OVER REPUBLIC AND WASHINGTON    
  COUNTIES HAS ALREADY PRODUCED 2 TO 3 INCHES OF RAINFALL.           
  ADDITIONAL HEAVY RAIN FROM THUNDERSTORMS MOVING EAST COULD PRODUCE 
  FLASH FLOODING OF CREEKS AND STREAMS.

* LOCATIONS IMPACTED INCLUDE...
  BELLEVILLE...
  COURTLAND...
  CUBA...
  HADDAM...
  HOLLENBURG...
  MAHASKA...
  MORROWVILLE...
  MUNDEN...
  NARKA...
  NORWAY...
  REPUBLIC...
  SCANDIA...
  WASHINGTON...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. MOVE TO HIGHER GROUND...AWAY FROM RISING WATER 
AND NEVER DRIVE ON ROADS COVERED BY WATER.

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

LAT...LON 3999 9680 3997 9680 3975 9708 3965 9792
      3999 9792
TIME...MOT...LOC 0618Z 180DEG 0KT 3982 9754

$$
1 follow-up statement
000 
WGUS73 KTOP 250910
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
410 AM CDT FRI APR 25 2008

KSC157-201-250920-
/O.EXP.KTOP.FF.W.0002.000000T0000Z-080425T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
REPUBLIC-WASHINGTON-
410 AM CDT FRI APR 25 2008

...THE FLASH FLOOD WARNING WILL EXPIRE AT 415 AM CDT FOR NORTHERN
WASHINGTON AND REPUBLIC COUNTIES...

AT 410 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
VERY HEAVY RAIN HAS ENDED...AND THE POSSIBILITY FOR FLASH FLOODING 
WILL CONTINUE TO DECREASE. THEREFORE THE FLASH FLOOD WARNING WILL BE 
ALLOWED TO EXPIRE.

LAT...LON 3999 9680 3997 9680 3975 9708 3965 9792
      3999 9792
TIME...MOT...LOC 0910Z 180DEG 0KT 3982 9754

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 10:51 PM CDTSevere Thunderstorm WarningTOPRepublic, Washington39 min
Apr 24, 11:20 PM CDTSevere Thunderstorm WarningTOPWashington55 min
Apr 24, 11:45 PM CDTSevere Thunderstorm WarningTOPRepublic60 min
Apr 25, 12:15 AM CDTSevere Thunderstorm WarningTOPMarshall, Washington24 min
Apr 25, 12:26 AM CDTSevere Thunderstorm WarningTOPCloud49 min
Apr 25, 12:41 AM CDTTornado WarningTOPCloud, Republic49 min
Apr 25, 12:46 AM CDTSevere Thunderstorm WarningTOPRepublic, Washington59 min
Apr 25, 1:30 AM CDTTornado WarningTOPCloud, Republic, Washington30 min
Apr 25, 3:43 AM CDTWind AdvisoryTOPClay, Cloud, Dickinson, Ottawa, Republic, Washington6 hr
Apr 25, 3:50 AM CDTSevere Thunderstorm WarningTOPBrown, Jackson, Nemaha40 min
Apr 25, 3:02 PM CDTRiver Flood WarningTOPMarshall36 hr

Nearby

Flash Flood Warnings in Kansas, 2008Every flash flood warning in 2008

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.