Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 7, NWS Kansas City, MO

May 23, 2016Johnson County, Wyandotte County, Kansas; Clay County, Jackson County, Platte County, Missouri

NWS Kansas City, MO issued this flash flood warning at May 23, 2016, 1:17 PM CDT for Johnson County, Wyandotte County, Kansas; Clay County, Jackson County, Platte County, Missouri. It was in force for 3 hr. 3 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
May 23, 2016, 1:17 PM CDT (18:17 UTC)
Expired
May 23, 2016, 4:15 PM CDT
In force
3 hr
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Flood severity
None

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

The radar

The Pleasant Hill radar (KEAX), 46 km from the middle of the area, began a volume at 18:20 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

TimeReportWhereRemark
May 23, 1:42 PM CDTFLASH FLOODNorth Kansas City, MONORTH KANSAS CITY FIRE DEPT ASSISTING STRANDARD MOTORISTS IN HIGH WATER. RELAYED BY NWS EMPLOYEE.
May 23, 2:10 PM CDTFLASH FLOODGladstone, MOROADS FLOODED THROUGHOUT CITY OF GLADSTONE
May 23, 2:25 PM CDTFLASH FLOODOverland Park, KSHIGH WATER AT 81ST AND METCALF. SOUTHBOUND LANE OF METCALF CLOSED. RETRIEVED VIA SOCIAL MEDIA.

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, 6.3 hours before the alert went out and 95 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-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2016-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 344 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2016-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
344 J/kg
Mixed-layer CIN
-320 J/kg
Mixed-layer LCL
933 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

806 
WGUS53 KEAX 231817
FFWEAX
KSC091-209-MOC047-095-165-232115-
/O.NEW.KEAX.FF.W.0007.160523T1817Z-160523T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
117 PM CDT MON MAY 23 2016

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN WYANDOTTE COUNTY IN NORTHEASTERN KANSAS...
  NORTHEASTERN JOHNSON COUNTY IN EAST CENTRAL KANSAS...
  SOUTHEASTERN PLATTE COUNTY IN WEST CENTRAL MISSOURI...
  NORTHWESTERN JACKSON COUNTY IN WEST CENTRAL MISSOURI...
  WESTERN CLAY COUNTY IN WEST CENTRAL MISSOURI...

* UNTIL 415 PM CDT

* AT 114 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
  THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO
  THREE INCHES OF RAIN HAVE ALREADY FALLEN AND ONGOING THUNDERSTORM
  ACTIVITY WILL LEAD TO ADDITIONAL HEAVY RAINFALL THIS AFTERNOON.
  FLASH FLOODING IS EXPECTED ACROSS THE GREATER KANSAS CITY METRO. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... KANSAS
  CITY...OVERLAND PARK...OLATHE...SHAWNEE...LENEXA...LEAWOOD...
  LIBERTY...GLADSTONE...PRAIRIE
  VILLAGE...MERRIAM...MISSION...SMITHVILLE...
  KEARNEY...PARKVILLE...NORTH KANSAS CITY...FAIRWAY...MISSION
  HILLS... RIVERSIDE...WESTWOOD AND CLAYCOMO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

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 3936 9435 3881 9464 3884 9485 3940 9459

$$

32
3 follow-up statements
721 
WGUS73 KEAX 231825
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
125 PM CDT MON MAY 23 2016

KSC091-209-MOC047-095-165-232115-
/O.CON.KEAX.FF.W.0007.000000T0000Z-160523T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WYANDOTTE KS-JOHNSON KS-PLATTE MO-JACKSON MO-CLAY MO-
125 PM CDT MON MAY 23 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
NORTHEASTERN WYANDOTTE...NORTHEASTERN JOHNSON...SOUTHEASTERN
PLATTE...NORTHWESTERN JACKSON AND WESTERN CLAY COUNTIES...

AT 122 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE WARNED AREA. UP TO THREE
INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS
ALREADY OCCURRING.

THE ROCK AND MILL CREEK BASINS LOCATED IN GLADSTONE AND NORTH KANSAS
CITY WILL EXPERIENCE FLOODING. ROAD CLOSURES IN THIS AREA ARE
POSSIBLE THIS AFTERNOON. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KANSAS CITY...OVERLAND PARK...OLATHE...SHAWNEE...LENEXA...LEAWOOD...
LIBERTY...GLADSTONE...PRAIRIE VILLAGE...MERRIAM...MISSION...SMITHVILLE...
KEARNEY...PARKVILLE...NORTH KANSAS CITY...FAIRWAY...MISSION HILLS...
RIVERSIDE...WESTWOOD AND CLAYCOMO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3936 9435 3881 9464 3884 9485 3940 9459

$$

32
532 
WGUS73 KEAX 231923
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
223 PM CDT MON MAY 23 2016

KSC091-209-MOC047-095-165-232115-
/O.CON.KEAX.FF.W.0007.000000T0000Z-160523T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WYANDOTTE KS-JOHNSON KS-PLATTE MO-JACKSON MO-CLAY MO-
223 PM CDT MON MAY 23 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
NORTHEASTERN WYANDOTTE...NORTHEASTERN JOHNSON...SOUTHEASTERN
PLATTE...NORTHWESTERN JACKSON AND WESTERN CLAY COUNTIES...

AT 216 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THAT HEAVY RAIN WAS FALLING OVER THE AREA. OVER THREE INCHES
OF RAIN HAS ALREADY FALLEN. FLASH FLOODING IS ALREADY OCCURRING.

THE ROCK...SHOAL...AND MILL CREEK BASINS ARE EXPERIENCING FLOODING
IN CLAY COUNTY. ADDITIONAL ROAD CLOSURES ACROSS THE GREATER KANSAS
CITY METRO ARE LIKELY THIS AFTERNOON. LIGHT TO MODERATE RAIN WILL
CONTINUE OVER THE NEXT FEW HOURS WHICH WILL EXACERBATE ONGOING
FLOODING ISSUES.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KANSAS CITY...OVERLAND PARK...OLATHE...SHAWNEE...LENEXA...LEAWOOD...
LIBERTY...GLADSTONE...PRAIRIE VILLAGE...MERRIAM...MISSION...SMITHVILLE...
KEARNEY...PARKVILLE...NORTH KANSAS CITY...FAIRWAY...MISSION HILLS...
RIVERSIDE...WESTWOOD AND CLAYCOMO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3936 9435 3881 9464 3884 9485 3940 9459

$$

32
184 
WGUS73 KEAX 232113
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
413 PM CDT MON MAY 23 2016

KSC091-209-MOC047-095-165-232123-
/O.EXP.KEAX.FF.W.0007.000000T0000Z-160523T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WYANDOTTE KS-JOHNSON KS-PLATTE MO-JACKSON MO-CLAY MO-
413 PM CDT MON MAY 23 2016

...THE FLASH FLOOD WARNING FOR NORTHEASTERN WYANDOTTE...NORTHEASTERN
JOHNSON...SOUTHEASTERN PLATTE...NORTHWESTERN JACKSON AND WESTERN CLAY
COUNTIES WILL EXPIRE AT 415 PM CDT...

THE HEAVY RAIN HAS ENDED. FLOOD WATERS HAVE RECEDED. FLOODING IS NO
LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY
REMAINING ROAD CLOSURES.

LAT...LON 3936 9435 3881 9464 3884 9485 3940 9459

$$

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 12:43 PM CDTAreal Flood AdvisoryEAXJohnson, Wyandotte3 hr
May 23, 6:27 PM CDTRiver Flood WarningEAXClay, Platte25 hr

Nearby

Flash Flood Warnings in Missouri, 2016Flash Flood Warnings in Kansas, 2016Every 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.