Alert archive / Kansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 101, NWS Kansas City, MO

July 1, 1997Atchison County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 1, 1997, 5:41 AM CDT for Atchison County, Kansas. It was in force for 34 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 1, 1997, 5:41 AM CDT (10:41 UTC)
Expired
Jul 1, 1997, 6:15 AM CDT
In force
34 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Atchison County, KS

What was reported inside it

TimeReportWhereRemark
Jul 1, 6:10 AM CDTHail 0.75Muscotah, KSThe Atchison County Sherrif's office reported dime-size hail at Muscotah.
Jul 1, 6:10 AM CDTThunderstorm Wind 60Muscotah, KSA severe thunderstorm produced a 60 MPH wind gust in Muscotah.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 10.7 hours before the alert went out and 66 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 1997-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2402 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 1997-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.193958Sfc1 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
2402 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
1238 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
2 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 011041 RRA
SVRMCI
KSC005-011115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
541 AM CDT TUE JUL 1 1997

* SEVERE THUNDERSTORM WARNING FOR
    ATCHISON COUNTY - NORTHEAST KANSAS
 
* UNTIL 615 AM CDT

* SOME LOCATIONS AFFECTED
    MUSCOTAH BY 550
    EFFINGHAM BY 555
    FARMINGTON BY 600

* AT AT 538 AM WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 25 MILES NORTHWEST OF MUSCOTAH MOVING SOUTHEAST AT 30
  MPH.  THIS STORM HAS A HISTORY OF PRODUCING HAIL THE SIZE OF GOLF
  BALLS.

PEOPLE IN THE PATH OF THIS STORM CAN EXPECT GOLFBALL SIZE HAIL AND
WIND GUSTS AS HIGH AS 70 MPH.

SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND DAMAGING WINDS.  FOR
YOUR SAFETY...MOVE INDOORS AND STAY AWAY FROM WINDOWS.
JHV

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 6:37 AM CDTSevere Thunderstorm WarningEAXLeavenworth38 min

Nearby

Severe Thunderstorm Warnings in Kansas, 1997Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.