Alert archive / Kansas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 15, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Apr 30, 1997, 6:56 AM CDT for Shawnee County, Kansas. It was in force for 34 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
- Apr 30, 1997, 6:56 AM CDT (11:56 UTC)
- Expired
- Apr 30, 1997, 7:30 AM CDT
- In force
- 34 min
- Issued by
- NWS Topeka, KS
- Area
- Whole counties
County Shawnee County, KS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 30, 7:05 AM CDT | Hail 0.75 | Topeka Billard Arpt, 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 00:00Z, 11.9 hours before the alert went out and 11 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
- 1985 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 214 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTOP 301157 RRA SVRTOP KSC177-301230- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TOPEKA KS 656 AM CDT WED APR 30 1997 * SEVERE THUNDERSTORM WARNING FOR EASTERN SHAWNEE COUNTY - EAST CENTRAL KANSAS * UNTIL 730 AM CDT * SOME LOCATIONS AFFECTED TOPEKA PAULINE * AT 655 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTHWEST OF TOPEKA MOVING NORTHEAST AT 45 MPH. * THE STORM WILL BE NEAR DOWNTOWN TOPEKA AT 7 AM * REPORTS NICKLE SIZE HAIL ON THE WEST OF TOPEKA AT 653 AM 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 16 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 14 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, 7:14 AM CDT | Severe Thunderstorm Warning | TOP | Jackson | 31 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.