Alert archive / Kansas / Flash Flood Warnings in 2017

Flash Flood Warning 13, NWS Topeka, KS

August 22, 2017Douglas County, Franklin County, Osage County, Kansas

NWS Topeka, KS issued this flash flood warning at Aug 22, 2017, 5:46 AM CDT for Douglas County, Franklin County, Osage County, Kansas. It was in force for 3 hr. 13 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 22, 2017, 5:46 AM CDT (10:46 UTC)
Expired
Aug 22, 2017, 8:45 AM CDT
In force
3 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
None

Counties Douglas County, KS, Franklin County, KS, Osage County, KS

The radar

The Pleasant Hill radar (KEAX), 86 km from the middle of the area, began a volume at 10:47 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 22, 6:53 AM CDTHEAVY RAIN 8.25 E Centropolis, KSCOCORAHS STATION KS-FR-16, 4 E CENTROPOLIS.
Aug 22, 7:00 AM CDTHEAVY RAIN 3.255 Nnw Quenemo, KSCO-OP OBSERVER STATION PLKK1, POMONA LAKE-HUNDRED TEN MILE CREEK.
Aug 22, 7:00 AM CDTHEAVY RAIN 4.73 Nw Pomona, KSCOCORAHS STATION KS-FR-10, 3 NW POMONA.
Aug 22, 7:00 AM CDTHEAVY RAIN 5.196 Nnw Pomona, KSCOCORAHS STATION KS-OS-6, QUENEMO 7.1 N.
Aug 22, 7:00 AM CDTHEAVY RAIN 5.65 Nne Pomona, KSCOCORAHS STATION KS-FR-20, 4 NNE POMONA.
Aug 22, 7:00 AM CDTHEAVY RAIN 7.231 E Vinland, KSCOCORAHS STATION KS-DG-57, 1 E VINLAND.
Aug 22, 7:00 AM CDTHEAVY RAIN 7.341 Nw Overbrook, KSCOCORAHS STATION KS-OS-11, OVERBROOK 1.2 NW.
Aug 22, 7:00 AM CDTHEAVY RAIN 8.34 Nnw Wellsville, KSCOCORAHS STATION KS-DG-26, 3 NNW WELLSVILLE.
Aug 22, 7:53 AM CDTHEAVY RAIN 84 E Centropolis, KS24 HOUR TOTAL.
Aug 22, 7:55 AM CDTFLASH FLOOD4 E Centropolis, KSSEVERAL RURAL ROADS UNDER WATER IN THE NORTHEAST PORTION OF THE COUNTY. 2 WATER RESCUES FROM A VEHICLE AND HOME.
Aug 22, 7:55 AM CDTHEAVY RAIN 5.55 N Pomona, KS24 HOUR TOTAL.
Aug 22, 8:00 AM CDTFLASH FLOOD2 Ene Globe, KSN400 ROAD WASHED OUT FROM FLASH FLOODING.
Aug 22, 8:27 AM CDTFLASH FLOODLone Star, KSTHE TOWN WAS REPORTED FLOODED. MANY COUNTY ROADS FLOODED IN LOW LYING AREAS.

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, 10.8 hours before the alert went out and 42 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 2017-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2114 joules per kilogram.LCLEL10008507005003002001001 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 2017-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 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
2114 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1421 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.6
Supercell composite
9.7

Open this sounding in Storm Lab

The text

As transmitted.

544 
WGUS53 KTOP 221046
FFWTOP
KSC045-059-139-221345-
/O.NEW.KTOP.FF.W.0013.170822T1046Z-170822T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Topeka KS
546 AM CDT TUE AUG 22 2017

The National Weather Service in Topeka has issued a

* Flash Flood Warning for...
  Northern Franklin County in east central Kansas...
  Southern Douglas County in east central Kansas...
  Northeastern Osage County in east central Kansas...

* Until 845 AM CDT

* At 543 AM CDT, Doppler radar indicated rainfall amounts of three 
  to six inches has fallen over much of the area since late Monday 
  night...with some locations in southern Douglas county and 
  northeastern Douglas county possibly receiving around eight 
  inches. 

* Some locations that will experience flooding include...
  Baldwin City, Wellsville, Overbrook, Centropolis, Lone Star,
  Pleasant Grove, Vinland, Globe and Pomona Lake.

This includes Interstate 35 between mile markers 192 and 198.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3870 9506 3869 9507 3867 9507 3863 9561
      3887 9562 3887 9550 3888 9550 3890 9506
      3876 9505

$$
2 follow-up statements
652 
WGUS73 KTOP 221100
FFSTOP

Flash Flood Statement
National Weather Service Topeka KS
600 AM CDT TUE AUG 22 2017

KSC045-059-139-221345-
/O.CON.KTOP.FF.W.0013.000000T0000Z-170822T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Franklin-Douglas-Osage-
600 AM CDT TUE AUG 22 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 AM CDT FOR
NORTHERN FRANKLIN...SOUTHERN DOUGLAS AND NORTHEASTERN OSAGE
COUNTIES...

At 558 AM CDT, Doppler radar indicated rainfall amounts of three to 
six inches has fallen over much of the area since late Monday 
night...with some locations in southern Douglas county and 
northeastern Franklin county possibly receiving around eight inches. 

Some locations that will experience flooding include...
Baldwin City, Wellsville, Overbrook, Centropolis, Lone Star, Pleasant
Grove, Vinland, Globe and Pomona Lake.

This includes Interstate 35 between mile markers 192 and 198.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3870 9506 3869 9507 3867 9507 3863 9561
      3887 9562 3887 9550 3888 9550 3890 9506
      3876 9505

$$
753 
WGUS73 KTOP 221338
FFSTOP

Flash Flood Statement
National Weather Service Topeka KS
838 AM CDT TUE AUG 22 2017

KSC045-059-139-221346-
/O.EXP.KTOP.FF.W.0013.000000T0000Z-170822T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Franklin-Douglas-Osage-
838 AM CDT TUE AUG 22 2017

...THE FLASH FLOOD WARNING FOR NORTHERN FRANKLIN...SOUTHERN DOUGLAS
AND NORTHEASTERN OSAGE COUNTIES WILL EXPIRE AT 845 AM CDT...

The heavy rain has ended so the flash flood warning will be allowed 
to expire. However a flood warning remains in effect until 1230 pm 
CDT as roads remain flooded and area rivers rise. Please continue to 
heed any remaining road closures.

LAT...LON 3870 9506 3869 9507 3867 9507 3863 9561
      3887 9562 3887 9550 3888 9550 3890 9506
      3876 9505

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 7:36 PM CDTFlash Flood WarningTOPJefferson6 hr
Aug 21, 7:49 PM CDTSpecial Weather StatementTOPJackson26 min
Aug 21, 7:59 PM CDTSpecial Weather StatementTOPShawnee31 min
Aug 21, 8:12 PM CDTSpecial Weather StatementTOPWabaunsee33 min
Aug 21, 8:27 PM CDTSevere Thunderstorm WarningTOPJackson, Jefferson, Shawnee20 min
Aug 21, 8:45 PM CDTSpecial Weather StatementTOPJefferson30 min
Aug 21, 9:09 PM CDTSpecial Weather StatementTOPDouglas36 min
Aug 21, 9:13 PM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson34 min
Aug 21, 9:30 PM CDTSpecial Weather StatementTOPLyon30 min
Aug 21, 9:55 PM CDTFlash Flood WarningTOPJackson, Jefferson4 hr
Aug 21, 10:03 PM CDTFlash Flood WarningTOPDouglas, Jackson, Jefferson, Shawnee, Wabaunsee4 hr
Aug 22, 12:01 AM CDTFlash Flood WarningTOPDouglas, Franklin, Osage, Shawnee6 hr
Aug 22, 1:28 AM CDTAreal Flood AdvisoryTOPFranklin3 hr
Aug 22, 1:51 AM CDTFlash Flood WarningTOPDouglas, Jackson, Jefferson, Shawnee4 hr
Aug 22, 2:29 AM CDTSpecial Weather StatementTOPDouglas, Jefferson, Shawnee31 min
Aug 22, 3:32 AM CDTFlash Flood WarningTOPFranklin4 hr
Aug 22, 4:57 AM CDTAreal Flood AdvisoryTOPAnderson, Coffey, Franklin, Lyon, Osage3 hr
Aug 22, 5:03 AM CDTRiver Flood WarningTOPDouglas27 hr
Aug 22, 5:03 AM CDTRiver Flood WarningTOPShawnee22 hr
Aug 22, 5:33 AM CDTAreal Flood WarningTOPDouglas, Jackson, Jefferson, Shawnee3 hr
Aug 22, 7:29 AM CDTAreal Flood WarningTOPFranklin3 hr
Aug 22, 8:22 AM CDTRiver Flood WarningTOPFranklin47 hr
Aug 22, 8:22 AM CDTRiver Flood WarningTOPFranklin, Osage40 hr
Aug 22, 8:22 AM CDTRiver Flood WarningTOPAnderson, Franklin31 hr
Aug 22, 8:34 AM CDTAreal Flood WarningTOPDouglas, Franklin, Osage4 hr
Aug 22, 10:47 AM CDTAreal Flood WarningTOPFranklin118 min
Aug 22, 12:16 PM CDTAreal Flood WarningTOPDouglas, Franklin, Osage8 hr

Nearby

Flash Flood Warnings in Kansas, 2017Every flash flood warning in 2017

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.