Alert archive / Kansas / Flash Flood Warnings in 2014

Flash Flood Warning 2, NWS Topeka, KS

April 27, 2014Geary County, Pottawatomie County, Riley County, Kansas

NWS Topeka, KS issued this flash flood warning at Apr 27, 2014, 9:07 AM CDT for Geary County, Pottawatomie County, Riley County, Kansas. It was in force for 3 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
Apr 27, 2014, 9:07 AM CDT (14:07 UTC)
Expired
Apr 27, 2014, 12:00 PM CDT
In force
3 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
None

Counties Geary County, KS, Pottawatomie County, KS, Riley County, KS

The radar

The Topeka radar (KTWX), 40 km from the middle of the area, began a volume at 14:10 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
Apr 27, 10:00 AM CDTFLASH FLOOD10 Ssw Junction City, KSLYON CREEK WELL OUT OF ITS BANKS. 50 FEET ACROSS IN ONE SPOT.

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, 2.1 hours before the alert went out and 91 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 2014-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1488 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 2014-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 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
1488 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
242 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.4

Open this sounding in Storm Lab

The text

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

134 
WGUS53 KTOP 271407
FFWTOP
KSC061-149-161-271700-
/O.NEW.KTOP.FF.W.0002.140427T1407Z-140427T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
907 AM CDT SUN APR 27 2014

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL AND WESTERN GEARY COUNTY IN EAST CENTRAL KANSAS...
  SOUTHWESTERN POTTAWATOMIE COUNTY IN NORTHEAST KANSAS...
  SOUTH CENTRAL RILEY COUNTY IN NORTHEAST KANSAS...

* UNTIL NOON CDT

* AT 901 AM CDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING   
FROM A THUNDERSTORM OVER THE WARNED AREA. LYON CREEK IN GEARY COUNTY 
HAS BEEN REPORTED OUT OF ITS BANKS. STREET FLOODING HAS BEEN 
REPORTED IN JUNCTION CITY AND MANHATTAN...WITH ADDITIONAL RAINFALL 
EXPECTED TO WORSEN CONDITIONS IN MANHATTAN OVER THE NEXT HOUR.  

* LOCATIONS IMPACTED INCLUDE...
  MANHATTAN...
  JUNCTION CITY...
  KEATS...
  OGDEN...
  GRANDVIEW PLAZA...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 293 AND 311.

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.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST INFORMATION CONCERNING THE SEVERE WEATHER.

&&

LAT...LON 3910 9655 3888 9673 3888 9692 3908 9692
      3933 9666 3932 9644

$$
2 follow-up statements
836 
WGUS73 KTOP 271512
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1012 AM CDT SUN APR 27 2014

KSC061-149-161-271700-
/O.CON.KTOP.FF.W.0002.000000T0000Z-140427T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RILEY-POTTAWATOMIE-GEARY-
1012 AM CDT SUN APR 27 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR CENTRAL
GEARY...SOUTHWESTERN POTTAWATOMIE AND SOUTH CENTRAL RILEY COUNTIES...

AT 1006 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING OVER THE WARNED AREA. LYON CREEK IN THE SOUTHWEST PORTION 
OF GEARY COUNTY IS RUNNING WELL OUT OF ITS BANKS. STREET FLOODING 
CONTINUES TO BE REPORTED IN URBAN AREAS INCLUDING JUNCTION CITY AND 
MANHATTAN. RADAR ESTIMATED RAINFALL INDICATES THAT MUD CREEK IN 
POTTAWATOMIE COUNTY IS ALSO LIKELY RUNNING OUT OF ITS BANKS. 

LOCATIONS IMPACTED INCLUDE...
MANHATTAN...JUNCTION CITY...KEATS...OGDEN AND GRANDVIEW PLAZA.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 293 AND 312.

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.

RAINFALL ACCUMULATIONS IN THE WARNED AREA ARE GENERALLY 2 TO 4 
INCHES WITH LOCALLY HIGHER AMOUNTS. 

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 3910 9655 3888 9673 3888 9692 3908 9692
      3933 9666 3932 9644

$$
709 
WGUS73 KTOP 271654
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1154 AM CDT SUN APR 27 2014

KSC061-149-161-271702-
/O.EXP.KTOP.FF.W.0002.000000T0000Z-140427T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RILEY-POTTAWATOMIE-GEARY-
1154 AM CDT SUN APR 27 2014

...THE FLASH FLOOD WARNING WILL EXPIRE AT NOON CDT FOR CENTRAL
GEARY...SOUTHWESTERN POTTAWATOMIE AND SOUTH CENTRAL RILEY COUNTIES...

AT 1152 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE
VERY HEAVY RAIN HAS ENDED...AND THE POSSIBILITY FOR FLASH FLOODING
WILL CONTINUE TO DECREASE. THEREFORE THE FLASH FLOOD WARNING IS NO 
LONGER IN EFFECT. 

LOW WATER CROSSINGS AND CREEKS IN WESTERN POTTAWATOMIE COUNTY 
CONTINUE TO RUN BANK FULL...AND AN URBAN AND SMALL STREAM ADVISORY 
WILL REMAIN IN EFFECT UNTIL 130PM FOR THAT AREA. 

LAT...LON 3910 9655 3888 9673 3888 9692 3908 9692
      3933 9666 3932 9644

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 3:42 AM CDTWind AdvisoryTOPClay, Cloud, Dickinson, Geary, Morris, Ottawa and 1 more15 hr
Apr 27, 4:21 AM CDTSpecial Weather StatementTOPGeary, Riley24 min
Apr 27, 4:47 AM CDTSpecial Weather StatementTOPWabaunsee28 min
Apr 27, 5:16 AM CDTSpecial Weather StatementTOPPottawatomie29 min
Apr 27, 5:55 AM CDTSpecial Weather StatementTOPMarshall35 min
Apr 27, 6:22 AM CDTSpecial Weather StatementTOPWashington23 min
Apr 27, 6:43 AM CDTSpecial Weather StatementTOPDickinson, Geary32 min
Apr 27, 7:37 AM CDTSpecial Weather StatementTOPWabaunsee23 min
Apr 27, 8:09 AM CDTSpecial Weather StatementTOPPottawatomie36 min
Apr 27, 8:48 AM CDTAreal Flood AdvisoryTOPDickinson, Geary, Morris, Pottawatomie, Riley87 min
Apr 27, 8:56 AM CDTSpecial Weather StatementTOPPottawatomie34 min
Apr 27, 9:14 AM CDTSpecial Weather StatementTOPLyon31 min
Apr 27, 9:20 AM CDTSevere Thunderstorm WarningTOPLyon, Osage, Wabaunsee40 min
Apr 27, 9:46 AM CDTSpecial Weather StatementTOPCoffey29 min
Apr 27, 10:11 AM CDTSpecial Weather StatementTOPAnderson, Franklin, Osage34 min
Apr 27, 10:21 AM CDTSpecial Weather StatementTOPJackson24 min
Apr 27, 10:22 AM CDTRiver Flood WarningTOPGeary21 hr
Apr 27, 10:45 AM CDTSpecial Weather StatementTOPDouglas, Jefferson, Shawnee30 min
Apr 27, 10:56 AM CDTSevere Thunderstorm WarningTOPJackson, Jefferson34 min
Apr 27, 11:25 AM CDTAreal Flood AdvisoryTOPPottawatomie2 hr

Nearby

Flash Flood Warnings in Kansas, 2014Every flash flood warning in 2014

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.