Alert archive / Kansas / Flash Flood Warnings in 2016

Flash Flood Warning 2, NWS Topeka, KS

April 24, 2016Geary County, Pottawatomie County, Riley County, Kansas

NWS Topeka, KS issued this flash flood warning at Apr 24, 2016, 8:34 PM CDT for Geary County, Pottawatomie County, Riley County, Kansas. It was in force for 3 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: Apr 24, 2016, 8:34 PM CDT (01:34 UTC)
Expired: Apr 24, 2016, 11:30 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), 55 km from the middle of the area, began a volume at 01:38 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, 1.6 hours before the alert went out and 98 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 156 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1654 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

As transmitted.

665 
WGUS53 KTOP 250134
FFWTOP
KSC061-149-161-250430-
/O.NEW.KTOP.FF.W.0002.160425T0134Z-160425T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
834 PM CDT SUN APR 24 2016

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN GEARY COUNTY IN EAST CENTRAL KANSAS...
  WESTERN RILEY COUNTY IN NORTHEASTERN KANSAS...
  NORTHWESTERN POTTAWATOMIE COUNTY IN NORTHEASTERN KANSAS...

* UNTIL 1130 PM CDT

* AT 832 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BLAINE...RILEY...MILFORD...LEONARDVILLE...OLSBURG...RANDOLPH
  ...AND KEATS.

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

LAT...LON 3919 9672 3912 9696 3934 9696 3956 9656
      3956 9629

$$

2 follow-up statements

390 
WGUS73 KTOP 250214
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
914 PM CDT SUN APR 24 2016

KSC061-149-161-250430-
/O.CON.KTOP.FF.W.0002.000000T0000Z-160425T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GEARY-RILEY-POTTAWATOMIE-
914 PM CDT SUN APR 24 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR
NORTHWESTERN GEARY...WESTERN RILEY AND NORTHWESTERN POTTAWATOMIE
COUNTIES...

AT 913 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS SOUTHERN PORTIONS OF THE WARNED AREA. UP TO THREE
INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BLAINE...RILEY...MILFORD...LEONARDVILLE...OLSBURG...RANDOLPH...MILFORD
LAKE...KEATS AND TUTTLE CREEK LAKE.

LAT...LON 3919 9672 3912 9696 3934 9696 3956 9656
      3956 9629

$$

315 
WGUS73 KTOP 250423
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1123 PM CDT SUN APR 24 2016

KSC061-149-161-250431-
/O.EXP.KTOP.FF.W.0002.000000T0000Z-160425T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GEARY-RILEY-POTTAWATOMIE-
1123 PM CDT SUN APR 24 2016

...THE FLASH FLOOD WARNING FOR NORTHWESTERN GEARY...WESTERN RILEY AND
NORTHWESTERN POTTAWATOMIE COUNTIES WILL EXPIRE AT 1130 PM CDT...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT IN THESE AREAS...HOWEVER A FLASH FLOOD WARNING REMAINS IN
EFFECT FOR SOUTHEASTERN RILEY AND SOUTHWESTERN POTTAWATOMIE UNTIL
130AM.  PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3919 9672 3912 9696 3934 9696 3956 9656
      3956 9629

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 24, 7:09 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	51 min
Apr 24, 7:15 PM CDT	Tornado Warning Tornado observed	TOP	Washington	16 min
Apr 24, 7:16 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Riley	44 min
Apr 24, 7:20 PM CDT	Severe Thunderstorm Warning	TOP	Clay	40 min
Apr 24, 7:25 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Ottawa	50 min
Apr 24, 7:29 PM CDT	Severe Thunderstorm Warning	TOP	Washington	20 min
Apr 24, 7:35 PM CDT	Tornado Warning Tornado observed	TOP	Geary, Riley	25 min
Apr 24, 7:53 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Nemaha, Pottawatomie	52 min
Apr 24, 7:59 PM CDT	Tornado Warning	TOP	Geary, Riley	18 min
Apr 24, 8:00 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson	45 min
Apr 24, 8:04 PM CDT	Severe Thunderstorm Warning	TOP	Riley	26 min
Apr 24, 8:06 PM CDT	Flash Flood Warning	TOP	Clay, Dickinson, Ottawa	4 hr
Apr 24, 8:24 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	51 min
Apr 24, 8:31 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Jackson, Nemaha	44 min
Apr 24, 8:44 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Riley	46 min
Apr 24, 8:54 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Wabaunsee	36 min
Apr 24, 8:56 PM CDT	Areal Flood Advisory	TOP	Geary, Jackson, Pottawatomie, Riley	3 hr
Apr 24, 9:13 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Shawnee	47 min
Apr 24, 9:13 PM CDT	Tornado Warning	TOP	Geary, Wabaunsee	22 min
Apr 24, 9:17 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Riley, Wabaunsee	43 min
Apr 24, 9:22 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson	27 min
Apr 24, 9:23 PM CDT	Flash Flood Warning	TOP	Pottawatomie, Riley	4 hr
Apr 24, 9:46 PM CDT	Severe Thunderstorm Warning	TOP	Jefferson	44 min
Apr 24, 10:00 PM CDT	Special Weather Statement	TOP	Shawnee	45 min
Apr 24, 10:30 PM CDT	Special Weather Statement	TOP	Morris	30 min
Apr 24, 10:37 PM CDT	Special Weather Statement	TOP	Dickinson	23 min
Apr 24, 10:56 PM CDT	Severe Thunderstorm Warning	TOP	Morris	33 min
Apr 25, 8:48 AM CDT	River Flood Warning	TOP	Dickinson	29 hr

Nearby

Flash Flood Warnings in Kansas, 2016 Every 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.