Alert archive / Kansas / Flash Flood Warnings in 2011

Flash Flood Warning 3, NWS Topeka, KS

June 1, 2011Marshall County, Nemaha County, Kansas

NWS Topeka, KS issued this flash flood warning at Jun 1, 2011, 4:26 PM CDT for Marshall County, Nemaha County, Kansas. It was in force for 2 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
Jun 1, 2011, 4:26 PM CDT (21:26 UTC)
Expired
Jun 1, 2011, 6:30 PM CDT
In force
2 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
None

Counties Marshall County, KS, Nemaha County, KS

The radar

The Topeka radar (KTWX), 90 km from the middle of the area, began a volume at 21:27 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
Jun 1, 5:01 PM CDTHEAVY RAIN 1.5Nne Marysville, KSRAINFALL TOTAL SINCE 2 PM CDT. SPOTTER LIVES ON A HILL AND WAS UNAWARE OF ANY FLOODING ISSUES.

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, 9.4 hours before the alert went out and 112 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 2011-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2011-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2267 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
121 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.

160 
WGUS53 KTOP 012126
FFWTOP
KSC117-131-012330-
/O.NEW.KTOP.FF.W.0003.110601T2126Z-110601T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
426 PM CDT WED JUN 1 2011

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MARSHALL COUNTY IN NORTHEAST KANSAS...
  WESTERN NEMAHA COUNTY IN NORTHEAST KANSAS...

* UNTIL 630 PM CDT

* AT 422 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN FROM THUNDERSTORMS OVER THE WARNED AREA. HEAVY RAINS 
WILL PERSIST FOR THE NEXT HOUR ACROSS THIS AREA.

* LOCATIONS IMPACTED INCLUDE...
  AXTELL...
  BAILEYVILLE...
  BEATTIE...
  BLUE RAPIDS...
  FRANKFORT...
  LILLIS...
  MARYSVILLE...
  OKETO...
  VERMILLION...
  BREMEN...
  SUMMERFIELD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROAD.

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

&&

LAT...LON 3960 9612 3961 9666 3993 9681 4000 9680
      4000 9620

$$

LEIGHTON
2 follow-up statements
865 
WGUS73 KTOP 012251
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
551 PM CDT WED JUN 1 2011

KSC117-131-012330-
/O.CON.KTOP.FF.W.0003.000000T0000Z-110601T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEMAHA-MARSHALL-
551 PM CDT WED JUN 1 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
MARSHALL AND WEST CENTRAL NEMAHA COUNTIES...

AT 545 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE HEAVY RAIN HAD EXITED MARSHALL COUNTY AND WAS MOVING 
THROUGH THE SOUTHERN HALF OF NEMAHA COUNTY.  ALTHOUGH THE HEAVY RAIN 
HAD ENDED IN MARSHALL COUNTY...RUNOFF SHOULD CONTINUE TO PRODUCE 
FLOODING OF ROADWAYS.

LOCATIONS IMPACTED INCLUDE...
BAILEYVILLE...BEATTIE...BLUE RAPIDS...FRANKFORT...MARYSVILLE...
OKETO...VERMILLION AND BREMEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

&&

LAT...LON 3996 9648 3987 9644 3985 9617 3960 9612
      3963 9665 3992 9681 4000 9680

$$
181 
WGUS73 KTOP 012333
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
633 PM CDT WED JUN 1 2011

KSC117-131-012340-
/O.EXP.KTOP.FF.W.0003.000000T0000Z-110601T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEMAHA-MARSHALL-
633 PM CDT WED JUN 1 2011

...THE FLASH FLOOD WARNING HAS EXPIRED FOR MARSHALL AND WEST CENTRAL
NEMAHA COUNTIES...

A FLASH FLOOD WARNINGS CONTINUES FOR SOUTHERN NEMAHA COUNTY UNTIL 
930 PM.

AT 630 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE 
VERY HEAVY RAIN HAS ENDED ACROSS THESE AREAS...AND THE POSSIBILITY 
FOR FLASH FLOODING WILL CONTINUE TO DECREASE. RUNOFF FROM THE 
EARLIER HEAVY RAINFALL COULD STILL LEAD TO SOME FLOODING OF LOW 
LYING AREAS AND PEOPLE SHOULD CONTINUE TO BE VERY CAUTIOUS WHEN 
DRIVING.

LAT...LON 3996 9648 3987 9644 3985 9617 3960 9612
      3963 9665 3992 9681 4000 9680

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 10:25 AM CDTSpecial Weather StatementTOPOttawa35 min
Jun 1, 10:38 AM CDTSevere Thunderstorm WarningTOPCloud, Ottawa37 min
Jun 1, 1:36 PM CDTAreal Flood AdvisoryTOPClay54 min
Jun 1, 2:40 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha, Pottawatomie50 min
Jun 1, 3:18 PM CDTSevere Thunderstorm WarningTOPJackson, Nemaha, Pottawatomie42 min
Jun 1, 3:44 PM CDTSevere Thunderstorm WarningTOPJackson, Pottawatomie, Shawnee46 min
Jun 1, 3:48 PM CDTSevere Thunderstorm WarningTOPLyon, Osage42 min
Jun 1, 3:56 PM CDTSpecial Weather StatementTOPLyon34 min
Jun 1, 4:23 PM CDTSevere Thunderstorm WarningTOPJackson, Shawnee37 min
Jun 1, 4:40 PM CDTSpecial Weather StatementTOPOsage35 min
Jun 1, 4:48 PM CDTSevere Thunderstorm WarningTOPJackson, Jefferson, Shawnee42 min
Jun 1, 4:54 PM CDTSevere Thunderstorm WarningTOPBrown, Nemaha39 min
Jun 1, 5:24 PM CDTSevere Thunderstorm WarningTOPBrown, Jackson, Nemaha51 min
Jun 1, 5:36 PM CDTFlash Flood WarningTOPNemaha4 hr
Jun 1, 5:47 PM CDTSevere Thunderstorm WarningTOPJefferson43 min
Jun 1, 6:02 PM CDTAreal Flood AdvisoryTOPJefferson58 min
Jun 1, 6:20 PM CDTSpecial Weather StatementTOPPottawatomie25 min
Jun 1, 6:36 PM CDTRiver Flood WarningTOPMarshall35 hr
Jun 1, 6:55 PM CDTSevere Thunderstorm WarningTOPCloud, Republic, Washington50 min

Nearby

Flash Flood Warnings in Kansas, 2011Every flash flood warning in 2011

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.