Alert archive / Kansas / Flash Flood Warnings in 2014

Flash Flood Warning 8, NWS Topeka, KS

September 3, 20144 counties in Kansas

NWS Topeka, KS issued this flash flood warning at Sep 3, 2014, 6:46 AM CDT for 4 counties in Kansas. It was in force for 3 hr. 7 reports 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
Sep 3, 2014, 6:46 AM CDT (11:46 UTC)
Expired
Sep 3, 2014, 9:45 AM CDT
In force
3 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
None

Counties Douglas County, KS, Jackson County, KS, Jefferson County, KS, Shawnee County, KS

The radar

The Topeka radar (KTWX), 79 km from the middle of the area, began a volume at 11:46 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
Sep 3, 6:52 AM CDTFLASH FLOOD1 W Billard Airport, KSWATER RESCUE OPERATIONS FOR A MOTORIST NEAR THE INTERSECTION OF SEWARD AND GOLDEN IN TOPEKA.
Sep 3, 7:39 AM CDTHEAVY RAIN 1.65Lecompton, KS24 HOUR TOTAL
Sep 3, 7:39 AM CDTHEAVY RAIN 2.7Billard Airport, KS
Sep 3, 7:52 AM CDTHEAVY RAIN 2.033 Sw Vinland, KS
Sep 3, 8:08 AM CDTFLASH FLOODLawrence, KSINTERSECTION OF 11TH AND HASKELL REPORTED UNDER WATER AND ROADS AROUND THE AREA ARE CLOSED.
Sep 3, 8:08 AM CDTHEAVY RAIN 3.752 Nw Lawrence, KS
Sep 3, 9:00 AM CDTHEAVY RAIN 3.5Tecumseh, KS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 11.8 hours before the alert went out and 27 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 2014-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 919 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 2014-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
919 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1189 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

041 
WGUS53 KTOP 031146
FFWTOP
KSC045-085-087-177-031445-
/O.NEW.KTOP.FF.W.0008.140903T1146Z-140903T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
646 AM CDT WED SEP 3 2014

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DOUGLAS COUNTY IN EAST CENTRAL KANSAS...
  NORTHERN SHAWNEE COUNTY IN EAST CENTRAL KANSAS...
  SOUTHEASTERN JACKSON COUNTY IN NORTHEAST KANSAS...
  SOUTHERN JEFFERSON COUNTY IN NORTHEAST KANSAS...

* UNTIL 945 AM CDT

* AT 643 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN OF 2 TO 4 INCHES HAD FALLEN IN AROUND 2 HOURS FROM 
  THUNDERSTORMS OVER THE WARNED AREA. AN ADDITIONAL 1 TO 2 INCHES IS 
  POSSIBLE.

* LOCATIONS IMPACTED INCLUDE...
  TOPEKA...
  LAWRENCE...
  HOYT...
  GRANTVILLE...
  MERIDEN...
  PERRY...
  WILLIAMSTOWN...
  SILVER LAKE...
  TECUMSEH...
  BALDWIN CITY...
  CLINTON...
  EUDORA...
  LECOMPTON...
  LONE STAR...
  PLEASANT GROVE...
  VINLAND...

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 179 AND 205.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS FLOODING WILL DIRECTLY IMPACT THE MORNING COMMUTE. DO NOT DRIVE 
INTO FLOODED AREAS. TURN AROUND DONT DROWN.

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.

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

&&

LAT...LON 3874 9528 3900 9566 3912 9590 3928 9594
      3929 9559 3913 9535 3906 9518 3897 9518
      3898 9516 3896 9508 3898 9509 3899 9506
      3898 9505 3874 9505

$$

BARJENBRUCH
1 follow-up statement
200 
WGUS73 KTOP 031414
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
914 AM CDT WED SEP 3 2014

KSC045-085-087-177-031417-
/O.CAN.KTOP.FF.W.0008.000000T0000Z-140903T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SHAWNEE-JEFFERSON-JACKSON-DOUGLAS-
914 AM CDT WED SEP 3 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR DOUGLAS...
SOUTHEASTERN JACKSON...SOUTHERN JEFFERSON AND NORTHERN SHAWNEE
COUNTIES...

AT 907 AM CDT...RADAR INDICATES THAT RAINFALL ACROSS THE AREA HAS 
DIMINISHED AND LOCAL LAW ENFORCEMENT OFFICIALS REPORT THAT WATER 
LEVELS HAVE RECEDED AS WELL. THEREFORE THE FLASH FLOOD WARNING IS NO 
LONGER IN EFFECT. IF A FLOODED ROADWAY FROM STANDING WATER IS 
ENCOUNTERED DO NOT DRIVE THROUGH IT.     

LAT...LON 3874 9528 3900 9566 3912 9590 3928 9594
      3929 9559 3913 9535 3906 9518 3897 9518
      3898 9516 3896 9508 3898 9509 3899 9506
      3898 9505 3874 9505

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 12:31 AM CDTSpecial Weather StatementTOPDickinson29 min
Sep 3, 12:39 AM CDTSpecial Weather StatementTOPLyon36 min
Sep 3, 1:14 AM CDTSpecial Weather StatementTOPCoffey16 min
Sep 3, 1:46 AM CDTSpecial Weather StatementTOPAnderson29 min
Sep 3, 3:29 AM CDTSpecial Weather StatementTOPShawnee31 min
Sep 3, 4:25 AM CDTSpecial Weather StatementTOPShawnee35 min
Sep 3, 4:59 AM CDTSpecial Weather StatementTOPJackson31 min
Sep 3, 6:18 AM CDTAreal Flood AdvisoryTOPDouglas, Jackson, Jefferson, Shawnee117 min
Sep 3, 8:39 AM CDTAreal Flood AdvisoryTOPAnderson, Franklin3 hr
Sep 3, 9:38 AM CDTSpecial Weather StatementTOPOsage37 min

Nearby

Flash Flood Warnings in Kansas, 2014Every flash flood warning in 2014

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.