Alert archive / Kansas / Flash Flood Warnings in 2015

Flash Flood Warning 9, NWS Topeka, KS

May 25, 2015Brown County, Nemaha County, Kansas

NWS Topeka, KS issued this flash flood warning at May 25, 2015, 6:18 PM CDT for Brown County, Nemaha County, Kansas. It was in force for 4 hr. 3 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
May 25, 2015, 6:18 PM CDT (23:18 UTC)
Expired
May 25, 2015, 10:15 PM 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), 93 km from the middle of the area, began a volume at 23:20 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 25, 6:43 PM CDTFLASH FLOODSeneca, KSFLASH FLOODING WAS REPORTED ALONG HIGHWAY 36 IN SENECA AND HIGHWAY 187 NEAR CENTRALIA
May 25, 7:45 PM CDTFLASH FLOODHiawatha, KS4 ROADS CLOSED IN HIAWATHA DUE TO FLOODING. MULBERRY ROAD 2 MILES EAST OF HIAWATHA HAS WATER RUNNING OVER IT.
May 25, 9:56 PM CDTFLASH FLOOD4 S Hiawatha, KSROAD CLOSED DUE TO FLOODING.

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 12:00Z, 11.3 hours before the alert went out and 85 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 12:00Z on 2015-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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 12:00Z on 2015-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 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
12 J/kg
Mixed-layer CIN
-273 J/kg
Mixed-layer LCL
997 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

631 
WGUS53 KTOP 252318
FFWTOP
KSC013-131-260315-
/O.NEW.KTOP.FF.W.0009.150525T2318Z-150526T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
618 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

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

* UNTIL 1015 PM CDT

* AT 608 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN FROM THUNDERSTORMS OVER THE WARNED AREA. RADAR 
ESTIMATES OF 1 TO INCHES OF RAIN LATE THIS AFTERNOON.  ADDITIONAL 
STORMS WILL MOVE INTO THE WARNED AREA THROUGH 800 PM AND PRODUCE 
ADDITIONAL HEAVY RAIN.  

* LOCATIONS IMPACTED INCLUDE...
  BERN...
  CENTRALIA...
  CORNING...
  GOFF...
  ONEIDA...
  SABETHA...
  SENECA...
  WETMORE...
  WOODLAWN...
  FAIRVIEW...
  HAMLIN...
  HIAWATHA...
  MORRILL...
  POWHATTAN...
  RESERVE...
  ROBINSON...
  WILLIS...
  KICKAPOO RESERVATION...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROAD.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. NEVER ATTEMPT TO
CROSS FLOWING WATER IN A CAR OR ON FOOT.

&&

LAT...LON 4000 9534 3974 9534 3965 9571 3965 9578
      3963 9579 3956 9607 3957 9622 3978 9624
      4000 9599

$$

JOHNSON
2 follow-up statements
629 
WGUS73 KTOP 252350
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
650 PM CDT MON MAY 25 2015

KSC013-131-260315-
/O.CON.KTOP.FF.W.0009.000000T0000Z-150526T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEMAHA-BROWN-
650 PM CDT MON MAY 25 2015

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
BROWN AND NEMAHA COUNTIES...

AT 646 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING OVER THE WARNED AREA.  WATER WAS REPORTED OVER HIGHWAY 36 
NEAR SENECA AND HIGHWAY 187 NEAR CENTRALIA.  RADAR ESTIMATED THAT 
BETWEEN 2 AND 3 INCHES OF RAIN THROUGH 650 PM. ADDITIONAL HEAVY RAIN 
IS LIKELY. 

LOCATIONS IMPACTED INCLUDE...
BERN...CENTRALIA...CORNING...GOFF...ONEIDA...SABETHA...SENECA...
WETMORE...WOODLAWN...FAIRVIEW...HAMLIN...HIAWATHA...MORRILL...
POWHATTAN...RESERVE...ROBINSON...WILLIS AND KICKAPOO RESERVATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROAD.

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

&&

LAT...LON 4000 9534 3974 9534 3965 9571 3965 9578
      3963 9579 3956 9607 3957 9622 3978 9624
      4000 9599

$$

JOHNSON
201 
WGUS73 KTOP 260057
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
757 PM CDT MON MAY 25 2015

KSC013-131-260315-
/O.CON.KTOP.FF.W.0009.000000T0000Z-150526T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEMAHA-BROWN-
757 PM CDT MON MAY 25 2015

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
BROWN AND NEMAHA COUNTIES...

AT 753 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING AND VERY HEAVY RAINFALL OVER THE WARNED AREA. MULTIPLE 
ROADS WERE CLOSED IN HIAWATHA DUE TO FLOODING AND WATER WAS RUNNING 
OVER MULBERRY ROAD EAST OF HIAWATHA. FLOODING WAS ALSO REPORTED IN 
PARTS OF NEMAHA COUNTY. ADDITIONAL HEAVY RAINFALL IS EXPECTED IN 
MUCH OF THE WARNED AREA THIS EVENING.

LOCATIONS IMPACTED INCLUDE...
BERN...CENTRALIA...CORNING...GOFF...ONEIDA...SABETHA...WETMORE...
WOODLAWN...FAIRVIEW...HAMLIN...HIAWATHA...MORRILL...POWHATTAN...
RESERVE...ROBINSON...WILLIS AND KICKAPOO RESERVATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS AND
STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY ROADS AND FARMLANDS
ALONG THE BANKS OF CREEKS AND STREAMS AND LOW LYING AREAS ARE SUBJECT
TO FLASH FLOODING.

DO NOT DRIVE INTO AREAS WHERE THE WATER COVERS THE ROAD.

&&

LAT...LON 4000 9534 3974 9534 3965 9570 3965 9578
      3963 9579 3956 9605 3957 9622 3961 9623
      3976 9612 3982 9603 3993 9607 4000 9599

$$

BARJENBRUCH

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 8:15 PM CDTRiver Flood WarningTOPLyon17 hr
May 25, 3:30 PM CDTSpecial Weather StatementTOPPottawatomie30 min
May 25, 3:47 PM CDTSevere Thunderstorm WarningTOPNemaha, Pottawatomie28 min
May 25, 4:03 PM CDTSevere Thunderstorm WarningTOPDickinson15 min
May 25, 4:07 PM CDTSevere Thunderstorm WarningTOPBrown, Nemaha38 min
May 25, 4:15 PM CDTSevere Thunderstorm WarningTOPNemaha30 min
May 25, 4:30 PM CDTSevere Thunderstorm WarningTOPClay, Dickinson, Ottawa45 min
May 25, 4:31 PM CDTSevere Thunderstorm WarningTOPBrown, Jackson, Nemaha44 min
May 25, 5:03 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Riley42 min
May 25, 5:10 PM CDTSevere Thunderstorm WarningTOPBrown53 min
May 25, 5:17 PM CDTSevere Thunderstorm WarningTOPNemaha35 min
May 25, 5:25 PM CDTSevere Thunderstorm WarningTOPPottawatomie, Riley31 min
May 25, 5:30 PM CDTSpecial Weather StatementTOPOttawa30 min
May 25, 5:51 PM CDTFlash Flood WarningTOPClay, Dickinson, Geary, Ottawa, Riley4 hr
May 25, 6:01 PM CDTAreal Flood AdvisoryTOPBrown, Jackson, Nemaha119 min
May 25, 6:07 PM CDTSevere Thunderstorm WarningTOPNemaha23 min
May 25, 6:12 PM CDTSevere Thunderstorm WarningTOPJackson, Marshall, Nemaha, Pottawatomie31 min
May 25, 6:17 PM CDTSpecial Weather StatementTOPCloud28 min

Nearby

Flash Flood Warnings in Kansas, 2015Every flash flood warning in 2015

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.