Alert archive / Kansas / Flash Flood Warnings in 2001

Flash Flood Warning 1, NWS Kansas City, MO

April 3, 2001Wyandotte County, Kansas; Jackson County, Missouri

NWS Kansas City, MO issued this flash flood warning at Apr 3, 2001, 9:48 AM CDT for Wyandotte County, Kansas; Jackson 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 counties it named.

The facts

Issued: Apr 3, 2001, 9:48 AM CDT (14:48 UTC)
Expired: Apr 3, 2001, 1:45 PM CDT
In force: 4 hr
Issued by: NWS Kansas City, MO
Area: Whole counties

Counties Wyandotte County, KS, Jackson County, MO

The radar

The Pleasant Hill radar (KEAX), 38 km from the middle of the area, began a volume at 14:49 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, 2.8 hours before the alert went out and 94 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: 2 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 449 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 350 m²/s²
0-3 km storm-relative helicity: 443 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 031448
FFWMCI
KSC209-MOC095-031845-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
948 AM CDT TUE APR 3 2001

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN WYANDOTTE COUNTY IN NORTHEAST KANSAS
  JACKSON COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 145 PM CDT

* AT 948 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED...  
THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER KANSAS CITY KS MOVING 
NORTHEAST AT 20 MPH. THESE STORMS WILL PRODUCE ADDITIONAL HEAVY 
RAINFALL OVER AREAS THAT HAVE ALREADY RECEIVED 1 TO 2 INCHES THIS 
MORNING.

* ADDITIONAL HEAVY RAINFALL WILL LEAD TO RAPID RISES...AND THE THREAT
  OF FLASH FLOODING...ON THE FOLLOWING STREAMS AND CREEKS

  BRUSH CREEK
  TURKEY CREEK 

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS ANDr CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

BUNTING

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 8:09 AM CDT	Severe Thunderstorm Warning	EAX	Johnson	51 min
Apr 3, 8:18 AM CDT	Severe Thunderstorm Warning	EAX	Wyandotte	42 min
Apr 3, 8:40 AM CDT	Severe Thunderstorm Warning	EAX	Leavenworth	50 min
Apr 3, 6:57 AM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson, Pettis	63 min
Apr 3, 8:31 AM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	44 min
Apr 3, 8:31 AM CDT	Severe Thunderstorm Warning	EAX	Clay, Platte	44 min
Apr 3, 9:33 AM CDT	Severe Thunderstorm Warning	EAX	Johnson	42 min
Apr 3, 10:18 AM CDT	Severe Thunderstorm Warning	EAX	Pettis	57 min
Apr 3, 10:30 AM CDT	Severe Thunderstorm Warning	EAX	Johnson	45 min
Apr 3, 11:06 AM CDT	Severe Thunderstorm Warning	EAX	Henry	39 min
Apr 3, 11:12 AM CDT	Severe Thunderstorm Warning	EAX	Pettis	63 min
Apr 3, 11:19 AM CDT	Flash Flood Warning	EAX	Pettis	3 hr
Apr 3, 5:39 PM CDT	Flash Flood Warning	EAX	Johnson	4 hr

Nearby

Flash Flood Warnings in Kansas, 2001 Flash Flood Warnings in Missouri, 2001 Every flash flood warning in 2001

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.