Alert archive / Kansas / Flash Flood Warnings in 2014

Flash Flood Warning 9, NWS Topeka, KS

September 18, 2014Anderson County, Coffey County, Kansas

NWS Topeka, KS issued this flash flood warning at Sep 18, 2014, 1:21 AM CDT for Anderson County, Coffey 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: Sep 18, 2014, 1:21 AM CDT (06:21 UTC)
Expired: Sep 18, 2014, 4:15 AM CDT
In force: 3 hr
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Flood severity: None

Counties Anderson County, KS, Coffey County, KS

The radar

The Topeka radar (KTWX), 98 km from the middle of the area, began a volume at 06:24 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, 6.4 hours before the alert went out and 79 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: 106 J/kg
Mixed-layer CIN: -354 J/kg
Mixed-layer LCL: 1243 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -71 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

The text

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

984 
WGUS53 KTOP 180621
FFWTOP
KSC003-031-180915-
/O.NEW.KTOP.FF.W.0009.140918T0621Z-140918T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
121 AM CDT THU SEP 18 2014

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL ANDERSON COUNTY IN EAST CENTRAL KANSAS...
  EAST CENTRAL COFFEY COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 415 AM CDT

* AT 113 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 3 
TO 4 INCHES OF RAIN FROM A THUNDERSTORM OVER THE WARNED AREA. 
ADDITIONAL THUNDERSTORMS DEVELOPMENT OVER THIS AREA WILL TAKE PLACE 
OVER THE NEXT FEW HOURS.

* LOCATIONS IMPACTED INCLUDE...
  HARRIS...
  WESTPHALIA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. MOVE TO HIGHER GROUND...AWAY FROM RISING WATER.

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

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

&&

LAT...LON 3839 9565 3832 9533 3812 9547 3822 9571

$$

SANDERS

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 17, 11:51 PM CDT	Special Weather Statement	TOP	Anderson	24 min
Sep 18, 12:05 AM CDT	Special Weather Statement	TOP	Ottawa	25 min
Sep 18, 12:11 AM CDT	Special Weather Statement	TOP	Anderson	34 min
Sep 18, 12:26 AM CDT	Severe Thunderstorm Warning	TOP	Ottawa	49 min
Sep 18, 12:44 AM CDT	Special Weather Statement	TOP	Coffey	31 min
Sep 18, 12:58 AM CDT	Special Weather Statement	TOP	Clay	32 min
Sep 18, 1:09 AM CDT	Severe Thunderstorm Warning	TOP	Ottawa	51 min
Sep 18, 1:17 AM CDT	Special Weather Statement	TOP	Lyon	28 min
Sep 18, 1:25 AM CDT	Severe Thunderstorm Warning	TOP	Clay, Geary, Riley	50 min
Sep 18, 1:26 AM CDT	Flash Flood Warning	TOP	Ottawa	3 hr
Sep 18, 1:43 AM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Ottawa	47 min
Sep 18, 1:49 AM CDT	Special Weather Statement	TOP	Lyon	26 min
Sep 18, 2:04 AM CDT	Severe Thunderstorm Warning	TOP	Coffey, Lyon, Osage	41 min
Sep 18, 2:12 AM CDT	Flash Flood Warning	TOP	Coffey, Osage	3 hr
Sep 18, 2:16 AM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey	44 min
Sep 18, 2:40 AM CDT	Severe Thunderstorm Warning	TOP	Coffey, Lyon, Osage	50 min
Sep 18, 2:47 AM CDT	Special Weather Statement	TOP	Morris	28 min
Sep 18, 2:49 AM CDT	Special Weather Statement	TOP	Dickinson	26 min
Sep 18, 2:54 AM CDT	Severe Thunderstorm Warning	TOP	Morris	29 min
Sep 18, 3:13 AM CDT	Severe Thunderstorm Warning	TOP	Dickinson	31 min
Sep 18, 3:19 AM CDT	Severe Thunderstorm Warning	TOP	Coffey, Lyon	41 min
Sep 18, 3:33 AM CDT	Flash Flood Warning	TOP	Anderson, Coffey	117 min
Sep 18, 3:36 AM CDT	Special Weather Statement	TOP	Geary	24 min
Sep 18, 4:01 AM CDT	Special Weather Statement	TOP	Coffey	29 min
Sep 18, 5:14 AM CDT	Areal Flood Advisory	TOP	Anderson, Coffey, Osage	3 hr
Sep 18, 5:21 AM CDT	Areal Flood Advisory	TOP	Ottawa	3 hr
Sep 18, 8:22 AM CDT	Special Weather Statement	TOP	Lyon	23 min
Sep 18, 8:43 AM CDT	Special Weather Statement	TOP	Lyon	32 min
Sep 18, 8:54 AM CDT	Areal Flood Advisory	TOP	Lyon	111 min
Sep 18, 9:19 AM CDT	Flash Flood Warning	TOP	Lyon	4 hr

Nearby

Flash Flood Warnings in Kansas, 2014 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.