Alert archive / Colorado / Tornado Warnings in 1998

Tornado Warning 9, NWS Goodland, KS

May 22, 1998Yuma County, Colorado

NWS Goodland, KS issued this tornado warning at May 22, 1998, 6:04 PM MDT for Yuma County, Colorado. It was in force for 46 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 22, 1998, 6:04 PM MDT (00:04 UTC)
Expired
May 22, 1998, 6:50 PM MDT
In force
46 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 00:08 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

TimeReportWhereRemark
May 22, 6:17 PM MDTHail 1.75Vernon, COAccompanied by 60 to 70 mph wind. Lasted 10 minutes.
May 22, 6:34 PM MDTHail 1.75Laird, CO
May 22, 6:35 PM MDTHail 1.5Beecher Is, CO
May 22, 6:50 PM MDTHail 0.75Wray, COAccompanied by winds gusting to 60 mph.
May 22, 6:55 PM MDTHail 1.88Idalia, COAccompanied by wind gusting to 68 mph.

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.

IssuedProductOfficeLasted
May 22, 5:45 PM MDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 0.1 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.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 1998-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 1998-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
133 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
925 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

201 
WFUS1 KGLD 230003 RRA
TORGLD
COC125-230050-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
604 PM MDT FRI MAY 22 1998

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN YUMA COUNTY IN NORTHEASTERN COLORADO

* UNTIL 650 PM MDT

* AT 601 PM MDT... GOODLAND DOPPLER RADAR INDICATED A DEVELOPING
  TORNADO 13 MILES SOUTHWEST OF WRAY MOVING EAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  WRAY                                    AROUND 630 PM MDT

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

VJN/KPL

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 6:46 PM MDTSevere Thunderstorm WarningGLDYuma49 min

Nearby

Tornado Warnings in Colorado, 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.