Alert archive / Colorado / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 13, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at May 3, 1998, 7:55 PM MDT for Yuma County, Colorado. It was in force for 50 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
- May 3, 1998, 7:55 PM MDT (01:55 UTC)
- Expired
- May 3, 1998, 8:45 PM MDT
- In force
- 50 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Yuma County, CO
The radar
The Goodland radar (KGLD), 94 km from the middle of the area, began a volume at 01:57 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 3, 7:57 PM MDT | Hail 0.88 | Vernon, CO |
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
Denver, CO (KDNR), launched 00:00Z, 1.9 hours before the alert went out and 70 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
- 131 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 2559 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 138 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 KGLD 040155 RRA SVRGLD COC125-040245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GOODLAND KS 755 PM MDT SUN MAY 3 1998 THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN YUMA COUNTY IN NORTHEASTERN COLORADO * UNTIL 845 PM MDT * AT 753 PM MDT... GOODLAND DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 18 MILES SOUTH OF WRAY OR 5 MILES SOUTHWEST OF BEECHER ISLAND MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... 10 MILES NORTHEAST OF IDALIA AROUND 800 PM MDT DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! VJN/THEDE
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.
NWS Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at May 3, 6:39 PM MDT, 1 hour 16 minutes earlier.
Area forecast discussion, May 3, 6:39 PM MDT, 1 hour 16 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE GOODLAND KS 639 PM MDT (739 PM CDT) SUN MAY 3 1998 GLD WSR-88D AND SATL SHOWG ISOLD TSTMS OVR ERN CO...AND ABT READY TO MOVE INTO WRN KS. CELLS HAVE BEEN HOLDING TOGETHER...AND THINK THEY WILL CONTINUE TO FOR A FEW REASONS. SFC MSTR CONV DUE TO LEE TROF AND COLLIDING OUTFLOW BOUNDERIES OVR THE AREA WITH MID TO UPR 40 DPS. ALSO PLAN PROFILER WNDS AND SATL SHOWG S/WS AT 700 MB AND 500 MB MOVG IN FM THE WEST. BASED ON ALL THIS...HAVE GONE CATEGORICAL WITH WDLY SCT EVNG WORDG IN CO WITH A 20 PERCENT OF EVENING TSTMS ALG AND WEST OF A LINE FROM TRENTON NE TO LEOTI. HAVE ALSO MADE SOME MINOR ADJUSTMENTS WITH CLD COVER AND WINDS BASED ON CURRENT TRENDS. .GLD...NONE. BULLER
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 6:26 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 34 min |
| May 3, 7:04 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 61 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.