Alert archive / Kansas / Flash Flood Warnings in 1997

Flash Flood Warning 33, NWS Kansas City, MO

July 9, 1997Linn County, Kansas

NWS Kansas City, MO issued this flash flood warning at Jul 9, 1997, 12:44 AM CDT for Linn County, Kansas. It was in force for 5 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
Jul 9, 1997, 12:44 AM CDT (05:44 UTC)
Expired
Jul 9, 1997, 6:00 AM CDT
In force
5 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Linn County, KS

The radar

The Pleasant Hill radar (KEAX), 83 km from the middle of the area, began a volume at 05:43 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, 5.7 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 1997-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1367 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 1997-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
1367 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
1456 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 090541
FFWMCI
KSC107-091050-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
1244 AM CDT WED JUL 9 1997

* FLASH FLOOD WARNING FOR
    LINN COUNTY - EAST CENTRAL KANSAS
 
* UNTIL 600 AM CDT

* SOME STREAMS AND RIVERS AFFECTED
    SOUTH FORK OF THE BIG SUGAR CREEK
    LITTLE SUGAR CREEK
    BIG SUGAR CREEK
    LOST CREEK
    ELK CREEK

* CAUSE AND EFFECT
VERY HEAVY RAINFALL HAS FALLEN OVER THE SOUTHWEST PART OF LINN COUNTY
KANSAS LATE THIS EVENING. DOPPLER RADAR ESTIMATES 2 TO 3 INCHES OF
RAIN HAS FALLEN SOUTH OF A CENTERVILLE TO MANTEY LINE SINCE 11 PM.
WATER OVER ROADS...RAPID RISES ON AREA STREAMS...HIGH WATER AT
LOW WATER CROSSINGS WILL PRESENT DANGEROUS AND POTENTIALLY LIFE
THREATENING CONDITIONS OVERNIGHT.

* FORECAST CONDITIONS
ADDITIONAL STRONG THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL
HAVE DEVELOPED JUST TO THE WEST OF THE REGION AND WILL BE MOVING BACK
OVER AREAS W>HICH HAVE RECEIVED THE TORRENTIAL DOWNPOURS.

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

JULY

Nearby

Flash Flood Warnings in Kansas, 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.