Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 16, NWS Kansas City, MO

May 30, 2016Cass County, Missouri

NWS Kansas City, MO issued this flash flood warning at May 30, 2016, 2:23 PM CDT for Cass County, Missouri. It was in force for 3 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: May 30, 2016, 2:23 PM CDT (19:23 UTC)
Expired: May 30, 2016, 5:30 PM CDT
In force: 3 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

County Cass County, MO

The radar

The Pleasant Hill radar (KEAX), 27 km from the middle of the area, began a volume at 19:24 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.

What was reported inside it

Time	Report	Where	Remark
May 30, 3:12 PM CDT	FLASH FLOOD	3 S Freeman, MO	SIX INCHES OF WATER OVER W HIGHWAY JUST EAST OF O HIGHWAY

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, 7.4 hours before the alert went out and 112 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: 734 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 1157 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: -44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

896 
WGUS53 KEAX 301923
FFWEAX
MOC037-302230-
/O.NEW.KEAX.FF.W.0016.160530T1923Z-160530T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
223 PM CDT MON MAY 30 2016

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN CASS COUNTY IN WEST CENTRAL MISSOURI...

* UNTIL 530 PM CDT

* AT 223 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...
  BELTON...RAYMORE...HARRISONVILLE...PECULIAR...FREEMAN...
  LAKE ANNETTE AND WEST LINE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3848 9440 3849 9460 3882 9457 3880 9428

$$

MELL

1 follow-up statement

294 
WGUS73 KEAX 302223
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
523 PM CDT MON MAY 30 2016

MOC037-302233-
/O.EXP.KEAX.FF.W.0016.000000T0000Z-160530T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CASS MO-
523 PM CDT MON MAY 30 2016

...THE FLASH FLOOD WARNING FOR WESTERN CASS COUNTY WILL EXPIRE AT 530
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 3848 9440 3849 9460 3882 9457 3880 9428

$$

MURRAY

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 1:17 PM CDT	Special Weather Statement	EAX	Cass	43 min
May 30, 3:51 PM CDT	Special Weather Statement	EAX	DeKalb	39 min
May 30, 4:04 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, DeKalb, Gentry	26 min
May 30, 4:51 PM CDT	Special Weather Statement	EAX	Chariton	39 min
May 30, 5:35 PM CDT	Special Weather Statement	EAX	Atchison	40 min
May 30, 6:25 PM CDT	Areal Flood Advisory	EAX	Atchison	2 hr
May 30, 6:34 PM CDT	Special Weather Statement	EAX	Atchison	41 min
May 30, 6:52 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	23 min
May 30, 6:54 PM CDT	Flash Flood Warning	EAX	Atchison	3 hr

Nearby

Flash Flood Warnings in Missouri, 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.