Alert archive / Kansas / Tornado Warnings in 1998
Tornado Warning 1, NWS Topeka, KS
NWS Topeka, KS issued this tornado warning at Apr 14, 1998, 4:52 PM CDT for Coffey County, Kansas. It was in force for 23 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 14, 1998, 4:52 PM CDT (21:52 UTC)
- Expired
- Apr 14, 1998, 5:15 PM CDT
- In force
- 23 min
- Issued by
- NWS Topeka, KS
- Area
- Whole counties
County Coffey County, KS
The radar
The Topeka radar (KTWX), 95 km from the middle of the area, began a volume at 21:54 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 |
|---|---|---|---|
| Apr 14, 5:21 PM CDT | Hail 1.75 | Le Roy, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 14, 4:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 9.9 hours before the alert went out and 85 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
- 1934 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
654
WFUS1 KTOP 142154 RRA
TORTOP
KSC031-142215-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
452 PM CDT TUE APR 14 1998
* TORNADO WARNING FOR
SOUTHERN COFFEY COUNTY IN EAST CENTRAL KANSAS
* UNTIL 515 PM CDT
* SOME LOCATIONS AFFECTED
GRIDLEY
LE ROY
BURLINGTON
* AT 449 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM WITH A POSSIBLE TORNADO 33 MILES SOUTHEAST OF
EMPORIA...OR 6 MILES SOUTHEAST OF GRIDLEY...MOVING NORTHEAST AT 40
MILES PER HOUR.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER
INFORMATION.The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 5:11 PM CDT | Tornado Warning | TOP | Anderson, Coffey | 34 min |
| Apr 14, 5:44 PM CDT | Severe Thunderstorm Warning | TOP | Anderson | 31 min |
| Apr 14, 6:20 PM CDT | Severe Thunderstorm Warning | TOP | Brown, Nemaha | 40 min |
Nearby
Tornado Warnings in Kansas, 1998Every tornado warning in 1998Tornadoes in 1998
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.