Alert archive / Colorado / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 21, NWS Goodland, KS

May 24, 1997Cheyenne County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at May 24, 1997, 4:32 PM MDT for Cheyenne County, Colorado. It was in force for 63 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 24, 1997, 4:32 PM MDT (22:32 UTC)
Expired
May 24, 1997, 5:35 PM MDT
In force
63 min
Issued by
NWS Goodland, KS
Area
Whole counties

County Cheyenne County, CO

The radar

The Goodland radar (KGLD), 98 km from the middle of the area, began a volume at 22:35 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 24, 5:00 PM MDTHail 0.75Cheyenne Wells, 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 12:00Z, 10.5 hours before the alert went out and 128 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 12:00Z on 1997-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1997-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1596 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

857 
WUUS1 KGLD 242233 RRA
SVRGLD
COC017-242335-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
432 PM MDT SAT MAY 24 1997

* SEVERE THUNDERSTORM WARNING FOR
  CENTRAL CHEYENNE COUNTY COLORADO IN EAST CENTRAL COLORADO

* UNTIL 535 PM MDT
 
* TAKE COVER IF YOU ARE IN THE WARNED AREA.

* AT 430 PM MDT...GOODLAND DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 11 MILES NORTHWEST OF CHEYENNE WELLS OR 6 MILES NORTH
  OF FIRST VIEW MOVING NORTH AT 15 MPH.

LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY
FROM WINDOWS

MARTELLO/STAVISH

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 3:31 PM MDTSevere Thunderstorm WarningGLDCheyenne49 min
May 24, 4:25 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma60 min
May 24, 5:23 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma47 min
May 24, 5:31 PM MDTSevere Thunderstorm WarningGLDCheyenne49 min
May 24, 5:54 PM MDTSevere Thunderstorm WarningGLDYuma61 min

Nearby

Severe Thunderstorm Warnings in Colorado, 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; radar from the NEXRAD Level II archive.