Alert archive / Missouri / Flash Flood Warnings in 2004

Flash Flood Warning 38, NWS Kansas City, MO

July 16, 2004Clay County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jul 16, 2004, 4:33 AM CDT for Clay County, Missouri. It was in force for 8 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: Jul 16, 2004, 4:33 AM CDT (09:33 UTC)
Expired: Jul 16, 2004, 12:30 PM CDT
In force: 8 hr
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Clay County, MO

The radar

The Pleasant Hill radar (KEAX), 49 km from the middle of the area, began a volume at 09:33 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
Jul 16, 6:25 AM CDT	FLASH FLOOD	Mosby, MO	FISHING RIVER AT MOSEBY RAPIDY ROSE ABOVE FLOOD STAGE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 9.6 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: 3709 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1012 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 237 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 9.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 160933
FFWEAX
MOC047-161730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
433 AM CDT FRI JUL 16 2004

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 1230 PM CDT

* AT 430 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.

* THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE WARNED AREA.
  RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  AVONDALE...EXCELSIOR SPRINGS...GLADSTONE...HOLT...KEARNEY...
  LIBERTY...MISSOURI CITY...MOSBY...NORTH KANSAS CITY...SMITHVILLE...
  BIRMINGHAM AND CLAYCOMO

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 3922 9422 3924 9426 3924 9430 3918 9437
      3921 9441 3913 9445 3916 9453 3913 9459
      3945 9461 3945 9422

$$

SRP

1 follow-up statement

000 
WGUS73 KEAX 161604
FFSEAX
KSC091-209-MOC047-095-165-161630-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1104 AM CDT FRI JUL 16 2004

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR JACKSON...CLAY...
PLATTE...JOHNSON AND WYANDOTTE COUNTIES HAS BEEN ALLOWED TO EXPIRE...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY OR TO THE
NATIONAL WEATHER SERVICE IN PLEASANT HILL.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS.

LAT...LON 3923 9479 3947 9493 3943 9426 3916 9418
      3886 9415 3878 9504 3902 9490

$$

SEAMAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 12:52 AM CDT	Severe Thunderstorm Warning	EAX	Worth	53 min
Jul 16, 1:27 AM CDT	Severe Thunderstorm Warning	EAX	Gentry	63 min
Jul 16, 2:27 AM CDT	Severe Thunderstorm Warning	EAX	Buchanan	63 min
Jul 16, 2:33 AM CDT	Severe Thunderstorm Warning	EAX	Clinton	57 min
Jul 16, 2:37 AM CDT	Tornado Warning	EAX	Clay, Clinton	53 min
Jul 16, 3:01 AM CDT	Tornado Warning	EAX	Jackson	59 min
Jul 16, 3:04 AM CDT	Severe Thunderstorm Warning	EAX	Lafayette, Ray	86 min
Jul 16, 3:30 AM CDT	Severe Thunderstorm Warning	EAX	Clay	60 min
Jul 16, 3:33 AM CDT	Severe Thunderstorm Warning	EAX	Cass	57 min
Jul 16, 3:44 AM CDT	Severe Thunderstorm Warning	EAX	Johnson	91 min
Jul 16, 4:02 AM CDT	Severe Thunderstorm Warning	EAX	Jackson	58 min
Jul 16, 5:04 AM CDT	Flash Flood Warning	EAX	Jackson, Platte	7 hr

Nearby

Flash Flood Warnings in Missouri, 2004 Every flash flood warning in 2004

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.