Alert archive / Kansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 82, NWS Topeka, KS

June 11, 1997Marshall County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 11, 1997, 4:24 PM CDT for Marshall County, Kansas. It was in force for 61 min. 10 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, 4:24 PM CDT (21:24 UTC)
Expired: Jun 11, 1997, 5:25 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 21:26 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, 4:27 PM CDT	Hail 1	Marysville, KS
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, 9.4 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.

000 
TTAA00 KTOP 112124 RRA
SVRTOP
KSC117-112225-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
424 PM CDT WED JUN 11 1997

* SEVERE THUNDERSTORM WARNING FOR
     MARSHALL COUNTY - NORTHEAST KANSAS

* UNTIL 525 PM CDT
 
* SOME LOCATIONS AFFECTED
     MARYSVILLE
     WINIFRED
     FRANKFORT

* AT 425 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR
  MARYSVILLE MOVING SOUTHEAST AT 20 MPH.
 
LARGE HAIL IS LIKELY.  GO INSIzDE A STURDY BUILDING AND STAY
AWAY FROM WINDOWS!

WEISSER

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 11, 12:43 PM CDT, 3 hours 41 minutes before

KSZ008>012-020>024-026-034>040-054>056-058-059-112140-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1243 PM CDT WED JUN 11 1997

...SEVERE WEATHER POSSIBLE THIS AFTERNOON AND EVENING IN NORTHCENTRAL
AND EASTCENTRAL KANSAS...

STORM SPOTTER ACTIVATION WILL BE LIKELY ACROSS PARTS OF NORTHCENTRAL
AND EASTCENTRAL KANSAS THIS AFTERNOON AND EVENING...GENERALLY ALONG
AND SOUTH OF A LINE FROM CONCORDIA TO CLAY CENTER AND EMPORIA.

WARM TEMPERATURES AND INCREASING HUMIDITY OVER CENTRAL AND EASTERN
KANSAS ALONG WITH AN UPPER LEVEL SYSTEM AND ACCOMPANYING JET STREAM
WILL COME TOGETHER THIS AFTERNOON TO TRIGGER STRONG TO SEVERE
THUNDERSTORMS.

THE SEVERE STORMS ARE EXPECTED TO DEVELOP OVER WESTCENTRAL KANSAS
THIS AFTERNOON THEN MOVE EAST INTO NORTHCENTRAL KANSAS LATE THIS
AFTERNOON.  THE PRIMARY THREAT FROM THE STORMS IS LARGE HAIL HOWEVER
SOME TORNADOES ARE POSSIBLE.

THE STRONG STORMS WILL PUSH INTO THE REST OF NORTHEAST AND
EASTCENTRAL KANSAS THIS EVENING. WITH THE STORMS ALSO COMES THE
POTENTIAL FOR VERY HEAVY RAIN AND SOME LOCALIZED FLOODING.

SD

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, 4:34 PM CDT	Tornado 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

Severe Thunderstorm Warnings in Kansas, 1997 Every 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.