Alert archive / Colorado / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 21, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at May 5, 1998, 6:10 PM MDT for Kit Carson County, Colorado. It was in force for 60 min. 5 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
- May 5, 1998, 6:10 PM MDT (00:10 UTC)
- Expired
- May 5, 1998, 7:10 PM MDT
- In force
- 60 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Kit Carson County, CO
The radar
The Goodland radar (KGLD), 78 km from the middle of the area, began a volume at 00:12 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 |
|---|---|---|---|
| May 5, 6:30 PM MDT | Hail 0.88 | Stratton, CO | |
| May 5, 6:30 PM MDT | Tornado F0 | Bethune, CO | Tornadic debris cloud observed by spotters. |
| May 5, 6:50 PM MDT | Hail 1.75 | Stratton, CO | Hail 1/2 inch to golfball size; also 2.75 inches of rain in less than 60 minutes. |
| May 5, 7:00 PM MDT | Hail 0.75 | Bethune, CO | |
| May 5, 7:20 PM MDT | Thunderstorm Wind 57 | Burlington, CO | Estimated 60 to 70 mph winds blew out windows. |
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 |
|---|---|---|---|
| May 5, 6:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 0.2 hours before the alert went out and 83 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
- 351 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1870 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGLD 060010 RRA SVRGLD COC063-060110- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GOODLAND KS 610 PM MDT TUE MAY 5 1998 THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN KIT CARSON COUNTY IN EAST CENTRAL COLORADO * UNTIL 710 PM MDT * AT 608 PM MDT... GOODLAND DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 22 MILES NORTHWEST OF BURLINGTON OR 16 MILES NORTHWEST OF BETHUNE MOVING SOUTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... 9 MILES NORTH OF STRATTON TAKE SHELTER NOW 5 MILES NORTH OF BETHUNE AROUND 625 PM MDT BETHUNE AROUND 635 PM MDT BURLINGTON AROUND 655 PM MDT THIS WARNING REPLACES THE PRIOR TORNADO WARNING FOR NORTH CENTRAL KIT CARSON COUNTY. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAYB FROM WINDOWS! VJN
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 6:22 PM MDT | Tornado Warning | GLD | Kit Carson | 48 min |
| May 5, 7:11 PM MDT | Tornado Warning | GLD | Kit Carson | 34 min |
| May 5, 7:41 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 34 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1998Every severe thunderstorm warning 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.