Alert archive / Kansas / Flash Flood Warnings in 2016

Flash Flood Warning 13, NWS Topeka, KS

May 9, 2016Clay County, Riley County, Washington County, Kansas

NWS Topeka, KS issued this flash flood warning at May 9, 2016, 7:22 PM CDT for Clay County, Riley County, Washington County, Kansas. It was in force for 5 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
May 9, 2016, 7:22 PM CDT (00:22 UTC)
Expired
May 10, 2016, 12:15 AM CDT
In force
5 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
None

Counties Clay County, KS, Riley County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 87 km from the middle of the area, began a volume at 00:26 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
May 9, 9:45 PM CDTFLOOD2 E Palmer, KSHEAVY RAIN THIS EVENING HAS CAUSED LOW WATER CROSSINGS IN THE AREA TO CLOSE. RAINFALL ESTIMATED TO NEAR 4 INCHES.

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, 0.4 hours before the alert went out and 126 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 2016-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1656 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 2016-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
1656 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1273 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

445 
WGUS53 KTOP 100022
FFWTOP
KSC027-161-201-100515-
/O.NEW.KTOP.FF.W.0013.160510T0022Z-160510T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
722 PM CDT MON MAY 9 2016

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN CLAY COUNTY IN NORTH CENTRAL KANSAS...
  SOUTHEASTERN WASHINGTON COUNTY IN NORTH CENTRAL KANSAS...
  NORTHWESTERN RILEY COUNTY IN NORTHEASTERN KANSAS...

* UNTIL 1215 AM CDT

* AT 721 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LINN AND BARNES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

&&

LAT...LON 3971 9684 3959 9680 3957 9681 3957 9680
      3948 9677 3948 9689 3954 9710 3972 9716

$$

JOHNSON
2 follow-up statements
610 
WGUS73 KTOP 100248
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
948 PM CDT MON MAY 9 2016

KSC027-161-201-100515-
/O.CON.KTOP.FF.W.0013.000000T0000Z-160510T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY-WASHINGTON-RILEY-
948 PM CDT MON MAY 9 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
NORTHEASTERN CLAY...SOUTHEASTERN WASHINGTON AND NORTHWESTERN RILEY
COUNTIES...

AT 944 PM CDT...DOPPLER RADAR INDICATED HEAVY RAIN OF TWO TO FOUR
INCHES HAVE FALLEN ACROSS THE AREA. FLASH FLOODING IS LIKELY
OCCURRING OR WILL BEGIN SHORTLY. FLOODING POTENTIAL IS GREATEST
ALONG THE TRIBUTARIES OF NORTH AND WEST FANCY CREEKS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3971 9692 3964 9682 3961 9684 3957 9682
      3948 9677 3948 9689 3954 9710 3966 9714
      3972 9711

$$

BB
994 
WGUS73 KTOP 100500 RRA
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1200 AM CDT TUE MAY 10 2016

KSC027-161-201-100510-
/O.CAN.KTOP.FF.W.0013.000000T0000Z-160510T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY-WASHINGTON-RILEY-
1200 AM CDT TUE MAY 10 2016

...THE FLASH FLOOD WARNING FOR NORTHEASTERN CLAY...SOUTHEASTERN
WASHINGTON AND NORTHWESTERN RILEY COUNTIES IS CANCELLED...

HEAVY RAIN HAS ENDED AND WATERS ARE RECEDING. FLOODING IS NO LONGER
EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING
ROAD CLOSURES.

LAT...LON 3971 9692 3964 9682 3961 9684 3957 9682
      3948 9677 3948 9689 3954 9710 3966 9714
      3972 9711

$$

BB

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:01 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Riley29 min
May 9, 7:18 PM CDTFlash Flood WarningTOPCloud, Republic5 hr
May 9, 7:27 PM CDTSevere Thunderstorm WarningTOPMarshall, Riley26 min
May 9, 8:31 PM CDTSpecial Weather StatementTOPShawnee29 min
May 9, 8:34 PM CDTSpecial Weather StatementTOPAnderson, Franklin56 min
May 9, 8:40 PM CDTSpecial Weather StatementTOPNemaha50 min
May 9, 9:05 PM CDTSpecial Weather StatementTOPBrown, Jackson, Nemaha55 min
May 9, 9:15 PM CDTAreal Flood AdvisoryTOPWashington3 hr

Nearby

Flash Flood Warnings in Kansas, 2016Every flash flood warning in 2016

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.