Alert archive / Kansas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 81, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Jun 11, 1997, 3:26 PM CDT for Marshall County, Washington County, Kansas. It was in force for 64 min. 3 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, 3:26 PM CDT (20:26 UTC)
- Expired
- Jun 11, 1997, 4:30 PM CDT
- In force
- 64 min
- Issued by
- NWS Topeka, KS
- Area
- Whole counties
Counties Marshall County, KS, Washington County, KS
The radar
The Topeka radar (KTWX), 100 km from the middle of the area, began a volume at 20:26 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 | Remark |
|---|---|---|---|
| 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 |
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, 8.4 hours before the alert went out and 133 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KTOP 112026 RRA
SVRTOP
KSC117-201-112130-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
326 PM CDT WED JUN 11 1997
* SEVERE THUNDERSTORM WARNING FOR
NORTHWESTERN MARSHALL COUNTY - NORTHEAST KANSAS
NORTHEASTERN WASHINGTON COUNTY - NORTH CENTRAL KANSAS
* UNTIL 430 PM CDT
* SOME LOCATIONS AFFECTED
HOLLENBERG
HANOVER
BREMEN
HERKIMER
* AT 325 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES
NORTHWEST OF MARYSVILLE OR NEAR HOLLENBERG MOVING SOUTHEAST AT 20
MPH.
LARGE HAIL IS LIKELY. GO INSIDE A STURDY BUILDING AND STAY
AWAY FROM WINDOWS!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, 2 hours 43 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, 4:24 PM CDT | Severe Thunderstorm Warning | TOP | Marshall | 61 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, 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.