Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 43, NWS Kansas City, MO

August 26, 2016Clay County, Jackson County, Missouri; Johnson County, Wyandotte County, Kansas

NWS Kansas City, MO issued this flash flood warning at Aug 26, 2016, 9:47 PM CDT for Clay County, Jackson County, Missouri; Johnson County, Wyandotte County, Kansas. It was in force for 4 hr. 7 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: Aug 26, 2016, 9:47 PM CDT (02:47 UTC)
Expired: Aug 27, 2016, 1:45 AM CDT
In force: 4 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Emergency: Flash flood emergency
Flood severity: None

Counties Johnson County, KS, Wyandotte County, KS, Clay County, MO, Jackson County, MO

The radar

The Pleasant Hill radar (KEAX), 46 km from the middle of the area, began a volume at 02:47 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
Aug 26, 10:42 PM CDT	HEAVY RAIN 5.5	3 Ene Kansas City, MO
Aug 26, 11:03 PM CDT	FLASH FLOOD	Independence, MO	HALF A DOZEN REPORTS OF FLOODING OVER ROADS AND INTERSECTIONS, ABOUT 396 PEOPLE WITHOUT POWER.
Aug 26, 11:20 PM CDT	HEAVY RAIN 4.29	2 Nw Fairway, KS	6HR RAINFALL TOTAL, STORMWATCH.COM WEBPAGE.
Aug 26, 11:20 PM CDT	HEAVY RAIN 4.37	3 W Fairway, KS	3HOUR PRECIPITATION,STORMWATCH.COM
Aug 26, 11:25 PM CDT	FLASH FLOOD	3 Wnw Kansas City, KS	CAR SUBMERGED WITH WATER ABOVE FRONT TIRE, VIA TWITTER.
Aug 26, 11:25 PM CDT	FLASH FLOOD	3 Wnw Kansas City, KS	CAR SUBMERGED WITH WATER ABOVE THE FRONT TIRE, VIA TWITTER.
Aug 26, 11:25 PM CDT	FLASH FLOOD	3 Wnw Kansas City, KS	CAR SUBMERGED WITH WATER OVER THE FRONT HOOD, PICTURE VIA TWITTER.

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 00:00Z, 2.8 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-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: 598 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 908 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.1

Open this sounding in Storm Lab

The text

As transmitted.

280 
WGUS53 KEAX 270247
FFWEAX
KSC091-209-MOC047-095-270645-
/O.NEW.KEAX.FF.W.0043.160827T0247Z-160827T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
947 PM CDT FRI AUG 26 2016

...FLASH FLOOD EMERGENCY FOR THE IMMEDIATE DOWNTOWN KANSAS CITY
AREA!...

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN WYANDOTTE COUNTY IN NORTHEASTERN KANSAS...
  NORTHEASTERN JOHNSON COUNTY IN EAST CENTRAL KANSAS...
  NORTHWESTERN JACKSON COUNTY IN WEST CENTRAL MISSOURI...
  SOUTHWESTERN CLAY COUNTY IN WEST CENTRAL MISSOURI...

* UNTIL 145 AM CDT

* AT 943 PM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
  WARNED AREA. LIFE THREATENING FLASH FLOODING IS ALREADY OCCURRING!

  THIS IS A FLASH FLOOD EMERGENCY FOR THE KANSAS CITY
METRO...PARTICULARLY THE DOWNTOWN KANSAS CITY AREA! THIS IS  A
PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW! 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  KANSAS CITY...OVERLAND PARK...INDEPENDENCE...SHAWNEE...LENEXA...
  LEAWOOD...RAYTOWN...LIBERTY...GLADSTONE...PRAIRIE VILLAGE...
  MERRIAM...MISSION...EDWARDSVILLE...NORTH KANSAS CITY...FAIRWAY...
  MISSION HILLS...SUGAR CREEK...RIVERSIDE...WESTWOOD AND CLAYCOMO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND
LIFE-THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE
FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.

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

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3917 9466 3915 9466 3916 9460 3919 9460
      3927 9435 3907 9428 3892 9477 3912 9481

$$

GITRO

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 26, 7:02 PM CDT	Special Weather Statement	EAX	Clay, Clinton, Daviess, DeKalb	28 min
Aug 26, 7:08 PM CDT	Areal Flood Advisory	EAX	Andrew, Buchanan, Clay, Clinton, DeKalb, Platte	3 hr
Aug 26, 7:13 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Clay, Clinton	32 min
Aug 26, 7:22 PM CDT	Tornado Warning	EAX	Caldwell, Clinton, Ray	23 min
Aug 26, 7:43 PM CDT	Tornado Warning Tornado observed	EAX	Caldwell, Clinton	32 min
Aug 26, 7:52 PM CDT	Flash Flood Warning	EAX	Buchanan, Clay, Clinton, Platte	6 hr
Aug 26, 8:16 PM CDT	Special Weather Statement	EAX	Caldwell, Daviess, Livingston	29 min
Aug 26, 8:29 PM CDT	River Flood Warning	EAX	Clay, Ray	38 hr
Aug 26, 8:33 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Daviess, DeKalb, Grundy, Livingston	42 min
Aug 26, 8:35 PM CDT	River Flood Warning	EAX	Clay, Platte	32 hr
Aug 26, 8:43 PM CDT	Flash Flood Warning	EAX	Andrew, Buchanan, DeKalb, Gentry	5 hr
Aug 26, 8:58 PM CDT	Special Weather Statement	EAX	Ray	47 min
Aug 26, 9:14 PM CDT	Flash Flood Warning	EAX	Caldwell, Daviess, Livingston, Ray	6 hr
Aug 26, 9:18 PM CDT	Flash Flood Warning	EAX	Jackson	3 hr
Aug 26, 9:28 PM CDT	River Flood Warning	EAX	Jackson	27 hr
Aug 26, 10:02 PM CDT	River Flood Warning	EAX	Ray	58 hr
Aug 26, 10:02 PM CDT	River Flood Warning	EAX	Platte	51 hr
Aug 26, 10:02 PM CDT	River Flood Warning	EAX	Platte	53 hr
Aug 26, 10:22 PM CDT	River Flood Warning	EAX	Jackson	25 hr
Aug 26, 10:31 PM CDT	Areal Flood Advisory	EAX	Carroll, Ray	4 hr
Aug 26, 10:45 PM CDT	Special Weather Statement	EAX	Putnam	45 min
Aug 26, 10:50 PM CDT	Areal Flood Advisory	EAX	Chariton, Cooper, Howard, Randolph	4 hr
Aug 26, 11:32 PM CDT	River Flood Warning	EAX	Carroll, Lafayette, Saline	58 hr
Aug 27, 12:13 AM CDT	Areal Flood Warning	EAX	Andrew, Clay, Clinton, DeKalb, Jackson, Platte	6 hr
Aug 27, 3:15 AM CDT	Areal Flood Warning	EAX	Caldwell, Carroll, Daviess, Livingston, Ray	3 hr
Aug 27, 9:58 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	44 hr
Aug 27, 5:49 PM CDT	Areal Flood Advisory	EAX	Clay, Jackson, Ray	4 hr
Aug 27, 6:22 PM CDT	Special Weather Statement	EAX	Clinton	23 min
Aug 26, 8:34 PM CDT	River Flood Warning	EAX	Atchison, Leavenworth	36 hr
Aug 26, 8:59 PM CDT	Areal Flood Advisory	EAX	Johnson	4 hr

Nearby

Flash Flood Warnings in Missouri, 2016 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.