Alert archive / Missouri / Flash Flood Warnings in 1997

Flash Flood Warning 32, NWS Kansas City, MO

July 6, 1997Jackson County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jul 6, 1997, 10:02 PM CDT for Jackson County, Missouri. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 6, 1997, 10:02 PM CDT (03:02 UTC)
Expired
Jul 7, 1997, 12:01 AM CDT
In force
119 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Jackson County, MO

The radar

The Pleasant Hill radar (KEAX), 23 km from the middle of the area, began a volume at 03:03 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 00:00Z, 3.0 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-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 1997-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 623 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 1997-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939Sfc1 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
623 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
2061 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 070301
FFWMCI
MOC095-070505-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
URBAN AND SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
1002 PM CDT SUN JUL 6 1997

* URBAN AND SMALL STREAM FLOOD WARNING FOR
    SOUTHEASTERN JACKSON COUNTY - NORTHWEST MISSOURI
 
* UNTIL 1201 AM CDT

* SOME STREAMS AND RIVERS AFFECTED
    LAKE LOTAWANA
    SNI-A-BAR CREEK
    WEST FORK OF SNI-A-BAR CREEK

* CAUSE AND EFFECT
RADAR ESTIMATES OF UP TO FOUR INCHES OF RAIN HAVE BEEN NOTED SINCE
800 PM IN SOUTHEAST JACKSON COUNTY NEAR LAKE LOTAWANA...EAST TO
TARNEY LAKES...SNI MILLS AND ROUTE F.

* FORECAST CONDITIONS
HEAVY RAIN UP TO AN INCH AN HOUR IS EXPECTED TO PERSIST THROUGH 1100
PM AND WILL LIKELY CAUSE FLOODING IN LOW-LYING AREAS. TRAVEL ON ROUTE
F AND HIGHWAY 7 NEAR LAKE LOTAWANA SHOULD BE DISCOURAGED THROUGH
MIDNIGHT...DUE TO EXPECTED PONDING OF WATER THESE ROADS.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

SMITH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 8:08 PM CDTSevere Thunderstorm WarningEAXLafayette37 min

Nearby

Flash Flood Warnings in Missouri, 1997Every flash flood warning in 1997

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.