Alert archive / Kansas / Flash Flood Warnings in 2011

Flash Flood Warning 15, NWS Topeka, KS

August 7, 20114 counties in Kansas

NWS Topeka, KS issued this flash flood warning at Aug 7, 2011, 10:48 PM CDT for 4 counties in Kansas. It was in force for 3 hr. 2 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
Aug 7, 2011, 10:48 PM CDT (03:48 UTC)
Expired
Aug 8, 2011, 1:19 AM CDT
In force
3 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
None

Counties Clay County, KS, Cloud County, KS, Dickinson County, KS, Ottawa County, KS

The radar

The Topeka radar (KTWX), 115 km from the middle of the area, began a volume at 03:48 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
Aug 7, 11:22 PM CDTFLASH FLOODMinneapolis, KSALL STREETS IN MINNEAPOLIS ARE FLOODED.
Aug 8, 12:22 AM CDTHEAVY RAIN 1.27 N Moonlight, KSSTORM TOTAL

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 00:00Z, 3.8 hours before the alert went out and 165 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 2011-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 120 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 2011-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.19395878Sfc1 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
120 J/kg
Mixed-layer CIN
-474 J/kg
Mixed-layer LCL
2544 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
256 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

973 
WGUS53 KTOP 080348
FFWTOP
KSC027-029-041-143-080645-
/O.NEW.KTOP.FF.W.0015.110808T0348Z-110808T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1048 PM CDT SUN AUG 7 2011

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN DICKINSON COUNTY IN CENTRAL KANSAS...
  SOUTHERN CLAY COUNTY IN NORTH CENTRAL KANSAS...
  SOUTHERN CLOUD COUNTY IN NORTH CENTRAL KANSAS...
  OTTAWA COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 145 AM CDT

* AT 1043 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...
  ADA...
  BENNINGTON...
  CHAPMAN...
  CULVER...
  DELPHOS...
  GLASCO...
  LONGFORD...
  MANCHESTER...
  MILTONVALE...
  MINNEAPOLIS...
  MOONLIGHT...
  OAK HILL...
  TALMAGE...
  TESCOTT...
  WAKEFIELD...
  WELLS...
  NILES...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 282 AND 289.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. MOVE TO HIGHER GROUND...AWAY FROM RISING WATER.

ADDITIONAL THUNDERSTORMS IN NORTH CENTRAL KANSAS WILL BRING AMOUNTS 
OF 1 TO 3 MORE INCHES TO THE WARNED AREA.

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

&&

LAT...LON 3945 9792 3925 9696 3896 9696 3896 9793

$$

LEIGHTON
2 follow-up statements
563 
WGUS73 KTOP 080438
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1138 PM CDT SUN AUG 7 2011

KSC027-029-041-143-080645-
/O.CON.KTOP.FF.W.0015.000000T0000Z-110808T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OTTAWA-CLAY-CLOUD-DICKINSON-
1138 PM CDT SUN AUG 7 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR
NORTHERN DICKINSON...SOUTHERN CLOUD...SOUTHERN CLAY AND OTTAWA
COUNTIES...

AT 1122 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING IN MINNEAPOLIS. EXPECT ANOTHER 1 TO 2 INCHES OF RAIN FROM 
THE LINE OF THUNDERSTORMS ACROSS SOUTHERN OTTAWA AND NORTHERN 
DICKINSON COUNTIES.

LOCATIONS IMPACTED INCLUDE...
ADA...BENNINGTON...CHAPMAN...CULVER...DELPHOS...GLASCO...LONGFORD...
MANCHESTER...MILTONVALE...MINNEAPOLIS...MOONLIGHT...OAK HILL...
TALMAGE...TESCOTT...WAKEFIELD...WELLS AND NILES.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 282 AND 289.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. MOVE TO HIGHER GROUND...AWAY FROM RISING WATER.

&&

LAT...LON 3945 9792 3925 9696 3896 9696 3896 9793

$$
936 
WGUS73 KTOP 080619
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
119 AM CDT MON AUG 8 2011

KSC027-029-041-143-080629-
/O.CAN.KTOP.FF.W.0015.000000T0000Z-110808T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OTTAWA-CLAY-CLOUD-DICKINSON-
119 AM CDT MON AUG 8 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN
DICKINSON...SOUTHERN CLOUD...SOUTHERN CLAY AND OTTAWA COUNTIES...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 282 AND 289.

AT 119 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
VERY HEAVY RAIN HAS ENDED...AND THE POSSIBILITY FOR FLASH FLOODING 
WILL CONTINUE TO DECREASE. EMERGENCY MANAGEMENT HAS ALSO REPORTED 
THAT ONGOING FLOODING HAS SUBSIDED. THEREFORE THE FLASH FLOOD 
WARNING IS NO LONGER IN EFFECT.

LAT...LON 3945 9792 3925 9696 3896 9696 3896 9793

$$

LEIGHTON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 10:09 PM CDTSpecial Weather StatementTOPGeary36 min
Aug 7, 10:26 PM CDTSevere Thunderstorm WarningTOPGeary, Pottawatomie, Riley49 min
Aug 7, 10:31 PM CDTSpecial Weather StatementTOPOttawa29 min
Aug 7, 10:42 PM CDTSevere Thunderstorm WarningTOPClay, Cloud, Dickinson, Geary, Ottawa48 min
Aug 7, 10:54 PM CDTSevere Thunderstorm WarningTOPLyon, Osage, Wabaunsee51 min
Aug 7, 11:04 PM CDTSevere Thunderstorm WarningTOPGeary, Wabaunsee26 min
Aug 7, 11:21 PM CDTFlash Flood WarningTOPDickinson, Geary, Riley, Wabaunsee114 min
Aug 7, 11:23 PM CDTSevere Thunderstorm WarningTOPDickinson, Geary, Morris42 min
Aug 7, 11:28 PM CDTSevere Thunderstorm WarningTOPGeary, Morris, Riley, Wabaunsee47 min
Aug 7, 11:42 PM CDTSevere Thunderstorm WarningTOPLyon, Osage, Shawnee, Wabaunsee48 min
Aug 7, 11:51 PM CDTFlash Flood WarningTOPOsage, Shawnee, Wabaunsee114 min
Aug 8, 12:12 AM CDTSevere Thunderstorm WarningTOPLyon, Osage, Wabaunsee33 min
Aug 8, 12:13 AM CDTFlash Flood WarningTOPGeary, Lyon, Morris, Wabaunsee90 min
Aug 8, 12:36 AM CDTSevere Thunderstorm WarningTOPAnderson, Coffey, Franklin, Osage54 min
Aug 8, 1:39 AM CDTSpecial Weather StatementTOPRepublic36 min
Aug 8, 1:58 AM CDTAreal Flood AdvisoryTOPRepublic, Washington62 min
Aug 8, 4:24 AM CDTSpecial Weather StatementTOPRepublic36 min
Aug 8, 4:46 AM CDTSevere Thunderstorm WarningTOPRepublic, Washington29 min
Aug 8, 5:09 AM CDTSpecial Weather StatementTOPWashington36 min
Aug 8, 5:41 AM CDTSpecial Weather StatementTOPPottawatomie34 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.