Alert archive / Kansas / Flash Flood Warnings in 2007

Flash Flood Warning 45, NWS Topeka, KS

May 26, 2007Pottawatomie County, Kansas

NWS Topeka, KS issued this flash flood warning at May 26, 2007, 4:08 PM CDT for Pottawatomie 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 counties it named.

The facts

Issued
May 26, 2007, 4:08 PM CDT (21:08 UTC)
Expired
May 26, 2007, 7:00 PM CDT
In force
3 hr
Issued by
NWS Topeka, KS
Area
Whole counties

County Pottawatomie County, KS

The radar

The Topeka radar (KTWX), 44 km from the middle of the area, began a volume at 21:11 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 12:00Z, 9.1 hours before the alert went out and 74 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 2007-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 598 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 2007-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
598 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
774 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
-11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KTOP 262110
FFWTOP
KSC149-270000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
408 PM CDT SAT MAY 26 2007

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL POTTAWATOMIE COUNTY IN NORTHEAST KANSAS...

* UNTIL 700 PM CDT

* AT 407 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN HAD FALLEN FROM PERSISTENT THUNDERSTORMS OVER THE  
  WARNED AREA. RAINFALL AMOUNTS OF AROUND 2 INCHES HAVE FALLEN       
  IN LESS THAN TWO HOURS. AT 405 PM...LAW ENFORCEMENT REPORTED       
  STREET FLOODING OCCURING IN WAMEGO. OTHER LOCATIONS THAT MAY BE    
  IMPACTED INCLUDE SAINT GEORGE. 

RUNOFF FROM THIS STORM 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.

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

LAT...LON 3921 9620 3921 9624 3918 9627 3919 9631
      3916 9635 3919 9646 3922 9646 3925 9620

$$
2 follow-up statements
000 
WGUS73 KTOP 262230
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
529 PM CDT SAT MAY 26 2007

KSC149-270000-
POTTAWATOMIE-
529 PM CDT SAT MAY 26 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR SOUTH
CENTRAL POTTAWATOMIE COUNTY...

AT 510 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING OF A FEW STREETS IN WAMEGO CONTINUED. 

FLOODING IS OCCURRING IN SOUTH CENTRAL POTTAWATOMIE COUNTY. CAMPERS 
AND HIKERS SHOULD AVOID STREAMS OR CREEKS...AND MOVE TO HIGHER 
GROUND.

LAT...LON 3921 9620 3921 9624 3918 9627 3919 9631
      3916 9635 3919 9646 3922 9646 3925 9620

$$
000 
WGUS73 KTOP 262358
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
657 PM CDT SAT MAY 26 2007

KSC149-270007-
POTTAWATOMIE-
657 PM CDT SAT MAY 26 2007

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL POTTAWATOMIE COUNTY  
WILL EXPIRE AT 700 PM CDT...

AT 657 PM CDT...LOCAL LAW ENFORCEMENT REPORTS THAT THE FLASH 
FLOODING IS NO LONGER OCCURRING AND RUNOFF FROM THE THUNDERSTORMS 
CONTINUES TO RECEDE. THEREFORE THE FLASH FLOOD WARNING IS NO LONGER 
IN EFFECT.

LAT...LON 3921 9620 3921 9624 3918 9627 3919 9631
      3916 9635 3919 9646 3922 9646 3925 9620

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 4:32 PM CDTFlash Flood WarningTOPDickinson3 hr

Nearby

Flash Flood Warnings in Kansas, 2007Every flash flood warning in 2007

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.