Alert archive / Kansas / Flash Flood Warnings in 2016

Flash Flood Warning 8, NWS Topeka, KS

April 26, 20164 counties in Kansas

NWS Topeka, KS issued this flash flood warning at Apr 26, 2016, 6:51 PM CDT for 4 counties in Kansas. It was in force for 4 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 26, 2016, 6:51 PM CDT (23:51 UTC)
Expired: Apr 26, 2016, 10:45 PM CDT
In force: 4 hr
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Flood severity: None

Counties Lyon County, KS, Morris County, KS, Osage County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 48 km from the middle of the area, began a volume at 23:51 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

Time	Report	Where	Remark
Apr 26, 7:29 PM CDT	FLASH FLOOD	Osage City, KS	FLASH FLOODING REPORTED BY LAW ENFORCEMENT IN OSAGE CITY. STREETS UNDER WATER.

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, 11.9 hours before the alert went out and 61 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: 1934 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 628 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 268 m²/s²
0-3 km storm-relative helicity: 330 m²/s²
Significant tornado parameter: 2.7
Supercell composite: 22.6

Open this sounding in Storm Lab

The text

As transmitted.

579 
WGUS53 KTOP 262351
FFWTOP
KSC111-127-139-197-270345-
/O.NEW.KTOP.FF.W.0008.160426T2351Z-160427T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
651 PM CDT TUE APR 26 2016

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN WABAUNSEE COUNTY IN EAST CENTRAL KANSAS...
  MORRIS COUNTY IN EAST CENTRAL KANSAS...
  OSAGE COUNTY IN EAST CENTRAL KANSAS...
  NORTHERN LYON COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 1045 PM CDT

* AT 651 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  EMPORIA...OSAGE CITY...COUNCIL GROVE...CARBONDALE...ESKRIDGE...
  OVERBROOK...LYNDON...LEBO...BURLINGAME...AMERICUS...SCRANTON...ALTA
  VISTA...QUENEMO...MELVERN...DWIGHT...HARVEYVILLE...READING...ALLEN...
  ADMIRE AND WILSEY.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 35 BETWEEN MILE MARKERS 128 AND 130...BETWEEN MILE MARKERS
147 AND 148...AND BETWEEN MILE MARKERS 156 AND 167.
 KANSAS TURNPIKE BETWEEN MILE MARKERS 128 AND 165.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.

&&

LAT...LON 3843 9551 3842 9635 3852 9635 3852 9673
      3887 9672 3887 9550

$$

1 follow-up statement

823 
WGUS73 KTOP 270342
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1042 PM CDT TUE APR 26 2016

KSC111-127-139-197-270350-
/O.EXP.KTOP.FF.W.0008.000000T0000Z-160427T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WABAUNSEE-MORRIS-OSAGE-LYON-
1042 PM CDT TUE APR 26 2016

...THE FLASH FLOOD WARNING FOR SOUTHERN WABAUNSEE...MORRIS...OSAGE
AND NORTHERN LYON COUNTIES WILL EXPIRE AT 1045 PM CDT...

FLASH FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. HOWEVER
FLOODING OF STREAMS AND CREEKS WILL CONTINUE FOR THE NEXT SEVERAL
HOURS. A FLOOD WARNING IS NOW IN EFFECT FOR THE WARNED AREA
UNTIL 430 AM. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3843 9551 3842 9635 3852 9635 3852 9673
      3887 9672 3887 9550

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 3:12 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Cloud, Washington	48 min
Apr 26, 3:20 AM CDT	Severe Thunderstorm Warning	TOP	Republic	55 min
Apr 26, 3:37 AM CDT	Severe Thunderstorm Warning	TOP	Washington	35 min
Apr 26, 3:59 AM CDT	Severe Thunderstorm Warning	TOP	Washington	46 min
Apr 26, 4:10 AM CDT	Severe Thunderstorm Warning	TOP	Republic	39 min
Apr 26, 4:16 AM CDT	Severe Thunderstorm Warning	TOP	Marshall, Washington	59 min
Apr 26, 4:43 AM CDT	Areal Flood Advisory	TOP	Republic	3 hr
Apr 26, 5:00 AM CDT	Severe Thunderstorm Warning	TOP	Washington	45 min
Apr 26, 5:12 AM CDT	Severe Thunderstorm Warning	TOP	Marshall	48 min
Apr 26, 5:20 AM CDT	Severe Thunderstorm Warning	TOP	Marshall, Washington	40 min
Apr 26, 5:33 AM CDT	Areal Flood Advisory	TOP	Washington	3 hr
Apr 26, 5:53 AM CDT	Severe Thunderstorm Warning	TOP	Marshall, Nemaha	67 min
Apr 26, 5:56 AM CDT	Areal Flood Advisory	TOP	Marshall	3 hr
Apr 26, 6:04 AM CDT	Flash Flood Warning	TOP	Marshall	4 hr
Apr 26, 6:18 AM CDT	Special Weather Statement	TOP	Pottawatomie, Riley	27 min
Apr 26, 6:36 AM CDT	Severe Thunderstorm Warning	TOP	Brown, Jackson	54 min
Apr 26, 6:47 AM CDT	Severe Thunderstorm Warning	TOP	Jefferson	13 min
Apr 26, 6:55 AM CDT	Severe Thunderstorm Warning	TOP	Nemaha	20 min
Apr 26, 3:07 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Riley, Wabaunsee	38 min
Apr 26, 3:13 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Wabaunsee	47 min
Apr 26, 3:15 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey, Franklin, Osage	45 min
Apr 26, 3:23 PM CDT	Tornado Warning	TOP	Lyon, Wabaunsee	37 min
Apr 26, 3:32 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	43 min
Apr 26, 3:38 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Morris, Wabaunsee	52 min
Apr 26, 3:43 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Osage, Shawnee, Wabaunsee	47 min
Apr 26, 3:45 PM CDT	Tornado Warning	TOP	Geary, Riley, Wabaunsee	30 min
Apr 26, 3:48 PM CDT	Severe Thunderstorm Warning	TOP	Douglas, Franklin, Osage, Shawnee	42 min
Apr 26, 4:10 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Pottawatomie, Riley	35 min
Apr 26, 4:13 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Pottawatomie, Riley, Wabaunsee	47 min
Apr 26, 4:16 PM CDT	Severe Thunderstorm Warning	TOP	Washington	44 min
Apr 26, 4:24 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Morris, Wabaunsee	36 min
Apr 26, 4:25 PM CDT	Severe Thunderstorm Warning	TOP	Osage, Shawnee, Wabaunsee	50 min
Apr 26, 4:36 PM CDT	Flash Flood Warning	TOP	Geary, Pottawatomie, Riley, Wabaunsee	3 hr
Apr 26, 4:39 PM CDT	Severe Thunderstorm Warning	TOP	Marshall	33 min
Apr 26, 4:54 PM CDT	Flash Flood Warning	TOP	Jackson, Pottawatomie, Shawnee, Wabaunsee	3 hr
Apr 26, 4:55 PM CDT	Severe Thunderstorm Warning	TOP	Washington	35 min
Apr 26, 4:58 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Riley	25 min
Apr 26, 5:00 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley, Wabaunsee	45 min
Apr 26, 5:01 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Riley, Washington	31 min
Apr 26, 5:08 PM CDT	Tornado Warning	TOP	Shawnee	37 min
Apr 26, 5:14 PM CDT	Severe Thunderstorm Warning	TOP	Wabaunsee	46 min
Apr 26, 5:17 PM CDT	Severe Thunderstorm Warning	TOP	Marshall	31 min
Apr 26, 5:30 PM CDT	Severe Thunderstorm Warning	TOP	Washington	15 min
Apr 26, 5:43 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Riley	11 min
Apr 26, 5:47 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Osage, Wabaunsee	8 min
Apr 26, 5:51 PM CDT	River Flood Warning	TOP	Marshall	3 days
Apr 26, 5:51 PM CDT	River Flood Warning	TOP	Marshall	36 hr
Apr 26, 5:52 PM CDT	Severe Thunderstorm Warning	TOP	Brown	19 min
Apr 26, 5:57 PM CDT	Severe Thunderstorm Warning	TOP	Jackson, Shawnee	48 min
Apr 26, 6:12 PM CDT	Severe Thunderstorm Warning	TOP	Republic	48 min
Apr 26, 6:29 PM CDT	Flash Flood Warning	TOP	Republic	4 hr
Apr 26, 6:32 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Morris	43 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.