Alert archive / Kansas / Flash Flood Warnings in 2013

Flash Flood Warning 13, NWS Topeka, KS

July 29, 2013Lyon County, Kansas

NWS Topeka, KS issued this flash flood warning at Jul 29, 2013, 5:43 PM CDT for Lyon County, Kansas. It was in force for 2 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
Jul 29, 2013, 5:43 PM CDT (22:43 UTC)
Expired
Jul 29, 2013, 7:45 PM CDT
In force
2 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
None

County Lyon County, KS

The radar

The Topeka radar (KTWX), 87 km from the middle of the area, began a volume at 22:43 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
Jul 29, 7:00 PM CDTHEAVY RAIN 3.78 Sw Olpe, KS24 HOUR RAINFALL TOTAL.
Jul 29, 7:50 PM CDTHEAVY RAIN 4.85 Ssw Olpe, KSSTORM TOTAL. RAINFALL RATE IN LESS THAN AN HOUR WAS 1.10 INCHES. STANDING WATER ON ROADS AND FARMLAND.

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, 10.7 hours before the alert went out and 104 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 2013-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2013-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 258 square meters per square second.193958Sfc1 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
596 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
258 m²/s²
0-3 km storm-relative helicity
249 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.

388 
WGUS53 KTOP 292243
FFWTOP
KSC111-300045-
/O.NEW.KTOP.FF.W.0013.130729T2243Z-130730T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
543 PM CDT MON JUL 29 2013

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN LYON COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 745 PM CDT

* AT 539 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN OF GREATER THAN 3 INCHES IN ABOUT AN HOUR OVER THE 
  WARNED AREA.

* FLASH FLOODING IS EXPECTED TO IMPACT CREEKS IN THE FAR             
  SOUTHWESTERN PART OF LYON COUNTY...INCLUDING WOLF CREEK...SHAW     
  CREEK...ROCK CREEK...AND THE UPPER REACHES OF THE NORTH BRANCH OF  
  THE VERDIGRIS RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL WILL CAUSE FLASH FLOODING OF INTERSECTIONS AND
COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND
STREAMS.

ADDITIONAL RAINFALL AMOUNTS OF 2 INCHES OR MORE ARE POSSIBLE IN THE 
WARNED AREA THIS EVENING.

&&

LAT...LON 3817 9636 3828 9636 3829 9636 3828 9628
      3823 9620 3817 9607 3817 9635

$$

BARJENBRUCH
2 follow-up statements
130 
WGUS73 KTOP 300023
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
723 PM CDT MON JUL 29 2013

KSC111-300045-
/O.CON.KTOP.FF.W.0013.000000T0000Z-130730T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LYON-
723 PM CDT MON JUL 29 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
SOUTHWESTERN LYON COUNTY...

AT 719 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
VERY HEAVY RAIN OF GREATER THAN 3 INCHES IN ABOUT ONE HOUR OVER THE 
WARNED AREA.

* FLASH FLOODING IS EXPECTED TO IMPACT CREEKS IN THE FAR             
  SOUTHWESTERN PART OF LYON COUNTY...INCLUDING SHAW CREEK...ROCK     
  CREEK...AND THE UPPER REACHES OF THE NORTH BRANCH OF THE VERDIGRIS 
  RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL WILL CAUSE FLASH FLOODING OF INTERSECTIONS AND
COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND
STREAMS.

ADDITIONAL RAINFALL AMOUNTS OF 2 INCHES OR MORE ARE POSSIBLE IN THE 
WARNED AREA THIS EVENING.

THIS THUNDERSTORM WITH EXCESSIVE RAIN WILL OTHERWISE REMAIN OVER
MAINLY RURAL AREAS OF SOUTHWESTERN LYON COUNTY.

LAT...LON 3817 9636 3828 9636 3829 9636 3828 9628
      3823 9620 3817 9607 3817 9635

$$

SANDERS
012 
WGUS73 KTOP 300054
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
754 PM CDT MON JUL 29 2013

KSC111-300102-
/O.EXP.KTOP.FF.W.0013.000000T0000Z-130730T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LYON-
754 PM CDT MON JUL 29 2013

...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHWESTERN LYON
COUNTY...

AT 752 PM CDT...RAINFALL RATES HAVE DECREASED ALTHOUGH SOME MINOR 
FLOODING CONTINUES TO BE A THREAT. A FLOOD ADVISORY IS IN EFFECT 
UNTIL 945 PM.

LAT...LON 3817 9636 3828 9636 3829 9636 3828 9628
      3823 9620 3817 9607 3817 9635

$$

SANDERS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 4:58 PM CDTAreal Flood AdvisoryTOPPottawatomie2 hr

Nearby

Flash Flood Warnings in Kansas, 2013Every flash flood warning in 2013

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.