Alert archive / Kansas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 16, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Apr 30, 1997, 7:14 AM CDT for Jackson County, Kansas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 30, 1997, 7:14 AM CDT (12:14 UTC)
- Expired
- Apr 30, 1997, 7:45 AM CDT
- In force
- 31 min
- Issued by
- NWS Topeka, KS
- Area
- Whole counties
County Jackson County, KS
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 0.2 hours before the alert went out and 48 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 705 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
375 WUUS1 KTOP 301215 RRA SVRTOP KSC085-301245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TOPEKA KS 714 AM CDT WED APR 30 1997 * SEVERE THUNDERSTORM WARNING FOR JACKSON COUNTY - NORTHEAST KANSAS * UNTIL 745 AM CDT * SOME LOCATIONS AFFECTED HOYT MAYETTA HOLTON * AT 710 AM CDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM THE NORTHEAST SIDE OF TOPEKA TO 20 MILES NORTHWEST OF TOPEKA MOVING NORTHEAST AT 45. * THE STORM WILL BE NEAR HOYT BY 720 AM MAYETTA AND HOLTON BY 730 AM * REPORTS LARGE HAIL IN TOPEKA DAMAGING WINDS AND LARGE HAIL ARE 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, Apr 30, 3:40 AM CDT, 3 hours 34 minutes before
KSZ008>012-020>024-034>038-054-300935- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 340 AM CDT WED APR 30 1997 ...SEVERE THUNDERSTORM WATCH 216 WHICH WAS IN EFFECT UNTIL 5 AM CDT FOR NORTHCENTRAL AND PORTIONS OF NORTHEAST AND EASTCENTRAL KANSAS HAS BEEN CANCELLED... THUNDERSTORMS HAVE CONTINUED TO WEAKEN ACROSS MUCH OF NORTHEAST AND NORTHCENTRAL KANSAS SINCE 3 AM. THE THREAT FOR ANY ADDITIONAL SEVERE THUNDERSTORM DEVELOPMENT HAS DIMINISHED. THEREFORE THE SEVERE THUNDERSTORM WATCH WHICH WAS TO BE IN EFFECT UNTIL 5 AM HAS BEEN CANCELLED. SW
Special weather statement, Apr 30, 3:42 AM CDT, 3 hours 32 minutes before
KSZ008>012-020>024-034>038-054-300935- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 340 AM CDT WED APR 30 1997 ...SEVERE THUNDERSTORM WATCH #216 WHICH WAS IN EFFECT UNTIL 5 AM CDT FOR NORTHCENTRAL AND PORTIONS OF NORTHEAST AND EASTCENTRAL KANSAS HAS BEEN CANCELLED... THUNDERSTORMS HAVE CONTINUED TO WEAKEN ACROSS MUCH OF NORTHEAST AND NORTHCENTRAL KANSAS SINCE 3 AM. THE THREAT FOR ANY ADDITIONAL SEVERE THUNDERSTORM DEVELOPMENT HAS DIMINISHED. THEREFORE THE SEVERE THUNDERSTORM WATCH WHICH WAS TO BE IN EFFECT UNTIL 5 AM HAS BEEN CANCELLED. SW
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 1:17 AM CDT | Severe Thunderstorm Warning | TOP | Marshall | 43 min |
| Apr 30, 5:49 AM CDT | Severe Thunderstorm Warning | TOP | Morris | 26 min |
| Apr 30, 6:08 AM CDT | Severe Thunderstorm Warning | TOP | Wabaunsee | 47 min |
| Apr 30, 6:56 AM CDT | Severe Thunderstorm Warning | TOP | Shawnee | 34 min |
| Apr 30, 7:18 AM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 47 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; the sounding from the Mesonet's radiosonde archive.