Alert archive / Kansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 146, NWS Topeka, KS

September 8, 1997Morris County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Sep 8, 1997, 11:39 PM CDT for Morris County, Kansas. It was in force for 46 min. 1 report 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
Sep 8, 1997, 11:39 PM CDT (04:39 UTC)
Expired
Sep 9, 1997, 12:25 AM CDT
In force
46 min
Issued by
NWS Topeka, KS
Area
Whole counties

County Morris County, KS

The radar

The Topeka radar (KTWX), 50 km from the middle of the area, began a volume at 04:42 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.

What was reported inside it

TimeReportWhereRemark
Sep 8, 11:55 PM CDTThunderstorm Wind 52Burdick, KS

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 8, 10:15 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.7 hours before the alert went out and 94 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 1997-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2048 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, Topeka, KS at 00:00Z on 1997-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
2048 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1680 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
38 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 KTOP 090439 RRA
SVRTOP
KSC127-090525-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1139 PM CDT MON SEP 8 1997

* SEVERE THUNDERSTORM WARNING FOR
     WESTERN MORRIS COUNTY - EAST CENTRAL KANSAS

* UNTIL 1225 AM CDT
 
* SOME LOCATIONS AFFECTED
     LATIMER
     BURDICK
     DELAVAN
     DIAMOND SPRINGS

* AT 1138 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
  EAST-SOUTHEAST OF ABILENE OR JUST SOUTH OF CHAPMAN MOVING SOUTH AT
  40 MPH.

* REPORTS
     NUMEROUS REPORTS OF WINDS GUSTS OF 60-70 MPH AND HAIL UP TO
     GOLFBALL SIZED
 
DAMAGING WINDS AND LARGE HAIL ARE LIKELY.  GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER
FOR GEARY COUNTY.

SW

&

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 8, 9:18 PM CDTSevere Thunderstorm WarningTOPRepublic42 min
Sep 8, 9:27 PM CDTSevere Thunderstorm WarningTOPWashington48 min
Sep 8, 10:05 PM CDTSevere Thunderstorm WarningTOPClay, Riley, Washington60 min
Sep 8, 10:38 PM CDTSevere Thunderstorm WarningTOPClay32 min
Sep 8, 11:00 PM CDTSevere Thunderstorm WarningTOPDickinson, Geary, Morris55 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; radar from the NEXRAD Level II archive.