Alert archive / Missouri / Flash Flood Warnings in 1997

Flash Flood Warning 21, NWS Kansas City, MO

June 28, 1997Cooper County, Pettis County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 28, 1997, 5:02 PM CDT for Cooper County, Pettis County, Missouri. It was in force for 118 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
Jun 28, 1997, 5:02 PM CDT (22:02 UTC)
Expired
Jun 28, 1997, 7:00 PM CDT
In force
118 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Cooper County, MO, Pettis County, MO

The radar

The Pleasant Hill radar (KEAX), 105 km from the middle of the area, began a volume at 22:02 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

Springfield, MO (KSGF), launched 12:00Z, 10.0 hours before the alert went out and 220 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, Springfield, MO at 12:00Z on 1997-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2010 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 12:00Z on 1997-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
2010 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
807 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 282201
FFWMCI
MOC053-159-290000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
URBAN AND SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
502 PM CDT SAT JUN 28 1997

* URBAN AND SMALL STREAM FLOOD WARNING FOR
    COOPER COUNTY - CENTRAL MISSOURI
    PETTIS COUNTY - CENTRAL MISSOURI
 
* UNTIL 700 PM CDT

* SOME STREAMS AND RIVERS AFFECTED
    FLAT CREEK
    LAKE CREEK

* CAUSE AND EFFECT
THUNDERSTORMS REMAINED NEARLY STATIONARY FROM PILOT GROVE TO
OTTERVILLE TO SEDALIA. DOPPLER RADAR INDICATED ONE HOUR RAINFALL
AMOUNTS AROUND 0.75 TO 1.00 INCHES.

* FORECAST CONDITIONS
THESE STROMS WILL CONTINUE ACROSS THE AREA THROUGH AT LEAST 600 PM...
THEN SHOULD DISSIPATE AS THE EVENING PROGRESSES. IN THE MEANTIME...
THIS WILL CAUSE SOME SMALL STREAMS AND CREEKS TO OVERFLOW THEIR
BANKS.  IN ADDITION...FLOODING OF ROADS...ESPECIALLY IN URBAN AREAS
IS LIKELY.

DON'T DRIVE ACROSS FLOODED ROADS!  MOST FLASH FLOOD DEATHS OCCUR IN
AUTOMOBILES.

DJV

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 5:29 AM CDTFlash Flood WarningEAXGentry3 hr
Jun 28, 5:37 PM CDTFlash Flood WarningEAXPettis2 hr
Jun 28, 6:41 PM CDTFlash Flood WarningEAXCarroll2 hr

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.