Alert archive / Missouri / Flash Flood Warnings in 2010

Flash Flood Warning 13, NWS Kansas City, MO

June 4, 2010Caldwell County, Clinton County, Ray County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 4, 2010, 6:45 PM CDT for Caldwell County, Clinton County, Ray County, Missouri. It was in force for 4 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: Jun 4, 2010, 6:45 PM CDT (23:45 UTC)
Expired: Jun 4, 2010, 10:30 PM CDT
In force: 4 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

Counties Caldwell County, MO, Clinton County, MO, Ray County, MO

The radar

The Pleasant Hill radar (KEAX), 81 km from the middle of the area, began a volume at 23:46 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 (KTOP), launched 12:00Z, 11.8 hours before the alert went out and 137 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: 682 J/kg
Mixed-layer CIN: -248 J/kg
Mixed-layer LCL: 1193 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 152 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

478 
WGUS53 KEAX 042345
FFWEAX
MOC025-049-177-050330-
/O.NEW.KEAX.FF.W.0013.100604T2345Z-100605T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
645 PM CDT FRI JUN 4 2010

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLINTON COUNTY IN NORTHWEST MISSOURI...
  NORTHWESTERN RAY COUNTY IN WEST CENTRAL MISSOURI...
  WESTERN CALDWELL COUNTY IN NORTH CENTRAL MISSOURI...

* UNTIL 1030 PM CDT

* AT 641 PM CDT...TRAINED WEATHER SPOTTERS REPORTED 
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  RADAR RAINFALL RATES OF ONE TO TWO INCHES OF RAIN PER HOUR
  IS ASSOCIATED WITH THESE STORMS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LATHROP...LAWSON...PLATTSBURG...COWGILL...KINGSTON AND POLO.

  LAW ENFORCEMENT IN CLINTON COUNTY ESTIMATES THREE TO FOUR
  FEET OF WATER IS FLOWING ACROSS ON "T" HIGHWAY WEST OF "M"
  HIGHWAY.  STREET FLOODING ALSO IS BEING REPORTED IN CAMERON.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3945 9389 3941 9407 3943 9422 3945 9422
      3946 9440 3954 9454 3966 9446 3974 9442
      3974 9398

$$

SF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 4, 4:07 PM CDT	Flash Flood Watch	EAX	Adair, Harrison, Mercer, Putnam, Schuyler, Sullivan	18 hr
Jun 4, 4:53 PM CDT	Special Weather Statement	EAX	Daviess, DeKalb	22 min
Jun 4, 5:02 PM CDT	Special Weather Statement	EAX	Adair	28 min
Jun 4, 5:22 PM CDT	Special Weather Statement	EAX	Daviess, DeKalb	38 min
Jun 4, 5:30 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Livingston	30 min
Jun 4, 5:33 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Daviess, Livingston	27 min
Jun 4, 5:45 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Clinton, DeKalb	30 min
Jun 4, 5:56 PM CDT	Special Weather Statement	EAX	Adair	49 min
Jun 4, 5:57 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Linn, Livingston	33 min
Jun 4, 6:04 PM CDT	Tornado Warning	EAX	Caldwell, Clinton	26 min
Jun 4, 6:07 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Macon, Sullivan	38 min
Jun 4, 6:16 PM CDT	Tornado Warning	EAX	Adair, Linn, Macon, Sullivan	29 min
Jun 4, 6:29 PM CDT	Tornado Warning	EAX	Caldwell, Clinton, Ray	31 min
Jun 4, 6:43 PM CDT	Tornado Warning	EAX	Macon	32 min
Jun 4, 6:44 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Daviess, DeKalb	31 min
Jun 4, 6:55 PM CDT	Flash Flood Warning	EAX	Macon	4 hr

Nearby

Flash Flood Warnings in Missouri, 2010 Every flash flood warning in 2010

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.