Alert archive / Kansas / Tornado Warnings in 1997

Tornado Warning 11, NWS Topeka, KS

June 11, 1997Marshall County, Kansas

NWS Topeka, KS issued this tornado warning at Jun 11, 1997, 4:34 PM CDT for Marshall County, Kansas. It was in force for 61 min. 9 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: Jun 11, 1997, 4:34 PM CDT (21:34 UTC)
Expired: Jun 11, 1997, 5:35 PM CDT
In force: 61 min
Issued by: NWS Topeka, KS
Area: Whole counties

County Marshall County, KS

The radar

The Topeka radar (KTWX), 91 km from the middle of the area, began a volume at 21:36 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

Time	Report	Where
Jun 11, 4:38 PM CDT	Hail 1	Marysville, KS
Jun 11, 4:38 PM CDT	Thunderstorm Wind 61	Marysville, KS
Jun 11, 4:55 PM CDT	Thunderstorm Wind 52	Home, KS
Jun 11, 5:00 PM CDT	Thunderstorm Wind 50	Winifred, KS
Jun 11, 5:00 PM CDT	Hail 0.75	Winifred, KS
Jun 11, 5:00 PM CDT	Thunderstorm Wind 56	Frankfort, KS
Jun 11, 5:00 PM CDT	Thunderstorm Wind 57	Lillis, KS
Jun 11, 5:00 PM CDT	Hail 2.75	Lillis, KS
Jun 11, 5:15 PM CDT	Thunderstorm Wind 50	Lillis, 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 nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 9.6 hours before the alert went out and 116 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 155 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 633 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

230 
WFUS1 KTOP 112134 RRA
TORTOP
KSC117-112235-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
434 PM CDT WED JUN 11 1997

* TORNADO WARNING FOR
     MARSHALL COUNTY - NORTHEAST KANSAS

* UNTIL 535 PM CDT
 
* SOME LOCATIONS AFFECTED
     MARYSVILLE
     WINIFRED
     FRANKFORT

* AT 432 PM CDT RADAR INDICATED A TORNADO JUST SOUTHEAST OF
  MARYSVILLE  MOVING SOUTHEAST AT 20 MPH.

* REPORTS
     LARGE HAIL IN NORTHERN MARYSVILLE
 
GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

WEISSER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 3:26 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Washington	64 min
Jun 11, 4:24 PM CDT	Severe Thunderstorm Warning	TOP	Marshall	61 min
Jun 11, 5:09 PM CDT	Tornado Warning	TOP	Nemaha, Pottawatomie	61 min
Jun 11, 5:26 PM CDT	Severe Thunderstorm Warning	TOP	Marshall	59 min
Jun 11, 5:42 PM CDT	Tornado Warning	TOP	Jackson	63 min
Jun 11, 6:35 PM CDT	Severe Thunderstorm Warning	TOP	Jefferson	60 min

Nearby

Tornado Warnings in Kansas, 1997 Every tornado warning in 1997 Tornadoes 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.