Alert archive / Kansas / Flash Flood Warnings in 2016

Flash Flood Warning 36, NWS Topeka, KS

September 13, 2016Brown County, Nemaha County, Kansas

NWS Topeka, KS issued this flash flood warning at Sep 13, 2016, 11:09 PM CDT for Brown County, Nemaha County, Kansas. It was in force for 4 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
Sep 13, 2016, 11:09 PM CDT (04:09 UTC)
Expired
Sep 14, 2016, 3:00 AM CDT
In force
4 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
None

Counties Brown County, KS, Nemaha County, KS

The radar

The Topeka radar (KTWX), 101 km from the middle of the area, began a volume at 04:10 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
Sep 13, 11:15 PM CDTFLASH FLOOD3 N Centralia, KSK187 HIGHWAY WAS BRIEFLY CLOSED DUE TO HIGH WATER.
Sep 14, 1:42 AM CDTFLASH FLOODHiawatha, KSSEVERAL RURAL ROADS CLOSED DUE TO HIGH WATER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.2 hours before the alert went out and 175 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, Omaha, NE at 00:00Z on 2016-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Omaha, NE at 00:00Z on 2016-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
583 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
352 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

274 
WGUS53 KTOP 140409
FFWTOP
KSC013-131-140800-
/O.NEW.KTOP.FF.W.0036.160914T0409Z-160914T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1109 PM CDT TUE SEP 13 2016

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BROWN COUNTY IN NORTHEASTERN KANSAS...
  NEMAHA COUNTY IN NORTHEASTERN KANSAS...

* UNTIL 300 AM CDT

* AT 1107 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
  ALREADY FALLEN IN PARTS OF THE WARNED AREA. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY OR WAS OCCURRING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  HIAWATHA...SABETHA...SENECA...HORTON...CENTRALIA...EVEREST...
  FAIRVIEW...ROBINSON...MORRILL...BERN...CORNING...GOFF...RESERVE...
  POWHATTAN...ONEIDA...HAMLIN...WILLIS...KICKAPOO RESERVATION...
  BAILEYVILLE AND WOODLAWN.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. TURN AROUND, DON'T DROWN.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3966 9534 3966 9624 3993 9623 4000 9590
      4000 9534

$$
1 follow-up statement
264 
WGUS73 KTOP 140645
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
145 AM CDT WED SEP 14 2016

KSC013-131-140800-
/O.CON.KTOP.FF.W.0036.000000T0000Z-160914T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BROWN-NEMAHA-
145 AM CDT WED SEP 14 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM CDT FOR
BROWN AND NEMAHA COUNTIES...

AT 141 AM CDT...THE PUBLIC AND LAW ENFORCEMENT HAVE REPORTED FLASH
FLOODING WITH SEVERAL COUNTY ROADS CLOSED. AS MUCH AS 4 INCHES OF
RAIN HAVE FALLEN...AND ANOTHER ROUND OF HEAVY RAINFALL IS MOVING IN.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
HIAWATHA...SABETHA...SENECA...HORTON...CENTRALIA...EVEREST...
FAIRVIEW...ROBINSON...MORRILL...BERN...CORNING...GOFF...RESERVE...
POWHATTAN...ONEIDA...HAMLIN...WILLIS...KICKAPOO RESERVATION...
BAILEYVILLE AND WOODLAWN.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3966 9534 3966 9624 3993 9623 4000 9590
      4000 9534

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 7:00 PM CDTAreal Flood AdvisoryTOPMarshall, Nemaha3 hr
Sep 13, 7:10 PM CDTSpecial Weather StatementTOPDouglas35 min
Sep 13, 7:26 PM CDTSpecial Weather StatementTOPDouglas34 min
Sep 14, 2:16 AM CDTAreal Flood WarningTOPMarshall6 hr
Sep 14, 2:21 AM CDTAreal Flood WarningTOPJefferson12 hr
Sep 14, 2:36 AM CDTAreal Flood WarningTOPBrown, Jackson, Nemaha14 hr
Sep 14, 5:47 AM CDTRiver Flood WarningTOPMarshall23 hr
Sep 14, 6:21 AM CDTAreal Flood WarningTOPJefferson5 hr
Sep 14, 12:42 PM CDTRiver Flood WarningTOPPottawatomie27 hr
Sep 14, 2:16 PM CDTAreal Flood WarningTOPJefferson5 hr
Sep 14, 4:27 PM CDTAreal Flood WarningTOPBrown, Jackson, Nemaha8 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.