Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 42, NWS Kansas City, MO

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

NWS Kansas City, MO issued this flash flood warning at Aug 26, 2016, 9:18 PM CDT for Jackson County, Missouri; Johnson County, Kansas. It was in force for 3 hr. 5 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, 9:18 PM CDT (02:18 UTC)
Expired: Aug 27, 2016, 12:15 AM CDT
In force: 3 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

Counties Johnson County, KS, Jackson County, MO

The radar

The Pleasant Hill radar (KEAX), 39 km from the middle of the area, began a volume at 02:18 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, 9:32 PM CDT	FLASH FLOOD	Kansas City, MO	MULTIPLE WATER RESCUES IN DOWNTOWN KANSAS CITY.
Aug 26, 10:42 PM CDT	FLASH FLOOD	Raytown, MO	WATER RESCUE CURRENTLY ONGOING.
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 4.37	3 W Fairway, KS	3HOUR PRECIPITATION,STORMWATCH.COM

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, 2.3 hours before the alert went out and 89 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.

996 
WGUS53 KEAX 270218
FFWEAX
KSC091-MOC095-270515-
/O.NEW.KEAX.FF.W.0042.160827T0218Z-160827T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JOHNSON COUNTY IN EAST CENTRAL KANSAS...
  JACKSON COUNTY IN WEST CENTRAL MISSOURI...

* UNTIL 1215 AM CDT

* AT 917 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED
  THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO
  TWO INCHES OF RAIN HAVE ALREADY FALLEN AND ADDITIONAL HEAVY RAIN
  IS EXPECTED THIS EVENING AND OVERNIGHT. FLASH FLOODING IS
  OCCURRING IN THE IMMEDIATE DOWNTOWN KANSAS CITY AREA.
  
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  KANSAS CITY...OVERLAND PARK...OLATHE...INDEPENDENCE...
  LEE'S SUMMIT...SHAWNEE...BLUE SPRINGS...LENEXA...LEAWOOD...
  RAYTOWN...GRANDVIEW...PRAIRIE VILLAGE...GARDNER...GRAIN VALLEY...
  MERRIAM...MISSION...OAK GROVE...BONNER SPRINGS...
  DE SOTO AND SPRING HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3898 9506 3900 9502 3898 9495 3900 9492
      3898 9492 3906 9487 3904 9461 3911 9460
      3915 9452 3912 9445 3920 9440 3916 9437
      3924 9429 3921 9417 3918 9419 3914 9410
      3883 9412 3885 9461 3874 9461 3874 9506

$$

GITRO

1 follow-up statement

546 
WGUS73 KEAX 270232
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
932 PM CDT FRI AUG 26 2016

KSC091-MOC095-270515-
/O.CON.KEAX.FF.W.0042.000000T0000Z-160827T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JOHNSON KS-JACKSON MO-
932 PM CDT FRI AUG 26 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR
JOHNSON AND JACKSON COUNTIES...

AT 928 PM CDT...EMERGENCY MANAGEMENT REPORTED HEAVY RAIN AND
SIGNIFICANT FLASH FLOODING IN THE DOWNTOWN KANSAS CITY AREA. UP TO
THREE INCHES OF RAIN HAS FALLEN AND ADDITIONAL HEAVY RAIN IS
EXPECTED THIS EVENING AND OVERNIGHT. DANGEROUS FLASH FLOODING IS
OCCURRING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KANSAS CITY...OVERLAND PARK...OLATHE...INDEPENDENCE...LEE'S SUMMIT...
SHAWNEE...BLUE SPRINGS...LENEXA...LEAWOOD...RAYTOWN...GRANDVIEW...
PRAIRIE VILLAGE...GARDNER...GRAIN VALLEY...MERRIAM...MISSION...
OAK GROVE...BONNER SPRINGS...DE SOTO AND SPRING HILL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3898 9506 3900 9502 3898 9495 3900 9492
      3898 9492 3906 9487 3904 9461 3911 9460
      3915 9452 3912 9445 3920 9440 3916 9437
      3924 9429 3921 9417 3918 9419 3914 9410
      3883 9412 3885 9461 3874 9461 3874 9506

$$

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, 9:28 PM CDT	River Flood Warning	EAX	Jackson	27 hr
Aug 26, 9:47 PM CDT	Flash Flood Warning Emergency	EAX	Clay, Jackson	4 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.