Alert archive / Kansas / Flash Flood Warnings in 2016

Flash Flood Warning 12, NWS Topeka, KS

May 9, 2016Cloud County, Republic County, Kansas

NWS Topeka, KS issued this flash flood warning at May 9, 2016, 7:18 PM CDT for Cloud County, Republic County, Kansas. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 9, 2016, 7:18 PM CDT (00:18 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 Cloud County, KS, Republic County, KS

The radar

The Grand Island radar (KUEX), 88 km from the middle of the area, began a volume at 00:19 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.

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 0.3 hours before the alert went out and 204 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.

369 
WGUS53 KTOP 100018
FFWTOP
KSC029-157-100515-
/O.NEW.KTOP.FF.W.0012.160510T0018Z-160510T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN REPUBLIC COUNTY IN NORTH CENTRAL KANSAS...
  NORTHWESTERN CLOUD COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 1215 AM CDT

* AT 716 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY. RADAR ESTIMATED RAINFALL OF 2 TO 3 INCHES IN THE
  PAST FEW HOURS COMBINED WITH AN ADDITIONAL INCH OR TWO BY 830 PM
  SHOULD RESULT IN FLASH FLOODING.  

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  JAMESTOWN...COURTLAND AND NORWAY. 

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 3991 9793 3960 9769 3952 9775 3953 9786
      3955 9793

$$

JOHNSON
2 follow-up statements
549 
WGUS73 KTOP 100238
FFSTOP

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

KSC029-157-100515-
/O.CON.KTOP.FF.W.0012.000000T0000Z-160510T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
REPUBLIC-CLOUD-
938 PM CDT MON MAY 9 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
SOUTHWESTERN REPUBLIC AND NORTHWESTERN CLOUD COUNTIES...

AT 936 PM CDT...DOPPLER RADAR INDICATED THAT AROUND TWO INCHES OF
RAIN HAVE FALLEN IN THE WARNED AREA WHILE AROUND 4 INCHES HAD FALLEN
JUST WEST OF THE AREA. THIS HEAVY RAINFALL TO THE WEST MAY CAUSE
SIGNIFICANT RISES IN WATER LEVELS AND FLASH FLOODING OVER THE NEXT
FEW HOURS AS IT FLOWS DOWNSTREAM INTO THE WARNED AREA.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
JAMESTOWN AND COURTLAND. 

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 3984 9793 3979 9784 3962 9779 3957 9782
      3955 9793

$$

BB
309 
WGUS73 KTOP 100500
FFSTOP

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

KSC029-157-100509-
/O.CAN.KTOP.FF.W.0012.000000T0000Z-160510T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
REPUBLIC-CLOUD-
1200 AM CDT TUE MAY 10 2016

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN REPUBLIC AND NORTHWESTERN
CLOUD COUNTIES IS CANCELLED...

THE HEAVY RAIN HAS ENDED. FLASH FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3984 9793 3979 9784 3962 9779 3957 9782
      3955 9793

$$

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, 7:22 PM CDTFlash Flood WarningTOPClay, Riley, Washington5 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.