Alert archive / Missouri / Flash Flood Warnings in 1997

Flash Flood Warning 28, NWS Kansas City, MO

June 28, 1997Atchison County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 28, 1997, 10:29 PM CDT for Atchison County, Missouri. It was in force for 3 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
Jun 28, 1997, 10:29 PM CDT (03:29 UTC)
Expired
Jun 29, 1997, 1:00 AM CDT
In force
3 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Atchison County, MO

The radar

The Omaha radar (KOAX), 127 km from the middle of the area, began a volume at 03:30 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

Omaha, NE (KOAX), launched 00:00Z, 3.5 hours before the alert went out and 127 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, Omaha, NE at 00:00Z on 1997-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3688 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, Omaha, NE at 00:00Z on 1997-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
3688 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1544 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
-21 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 290328
FFWMCI
MOC005-290600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
1029 PM CDT SAT JUN 28 1997

* FLASH FLOOD WARNING FOR
    ATCHISON COUNTY - NORTHWEST MISSOURI
 
* UNTIL 100 AM CDT

* SOME STREAMS AND RIVERS AFFECTED
    ROCK CREEK
    TARKIO CREEK

* CAUSE AND EFFECT
SLOW MOVING THUNDERSTORMS CONTINUE TO DEVELOP OVER THE REGION
PRODUCING 1 TO 2 INCHES OF RAIN PER HOUR.

* FORECAST CONDITIONS
STORMS WILL PERSIST UNTIL AFTER MIDNIGHT. FLOODING OF ROADWAYS...
STREAM...AND CREEKS IS LIKELY.

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

MJM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:31 PM CDTFlash Flood WarningEAXClinton, DeKalb89 min
Jun 28, 8:31 PM CDTFlash Flood WarningEAXClay89 min
Jun 28, 10:20 PM CDTSevere Thunderstorm WarningEAXAtchison55 min
Jun 29, 6:40 PM CDTFlash Flood WarningEAXAtchison2 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.