Alert archive / Colorado / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 119, NWS Goodland, KS

June 28, 1997Yuma County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jun 28, 1997, 10:44 PM MDT for Yuma County, Colorado. It was in force for 66 min. 2 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
Jun 28, 1997, 10:44 PM MDT (04:44 UTC)
Expired
Jun 28, 1997, 11:50 PM MDT
In force
66 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 04:45 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
Jun 28, 11:40 PM MDTThunderstorm Wind 52Idalia, CO
Jun 28, 11:40 PM MDTHail 0.75Idalia, 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, 4.7 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 1997-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1997-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
15 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
4089 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Jun 28, 8:35 PM MDT, 2 hours 9 minutes earlier.

Area forecast discussion, Jun 28, 8:35 PM MDT, 2 hours 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
834 PM MDT (934 PM CDT) SAT JUN 28 1997

ACTIVITY NOW OVER OUR CO COUNTIES HAS WEAKENED A LITTLE SINCE 8
PM...BUT STILL LOOKS TO HAVE QUITE A BIT OF LIFE IN IT. FURTHER
EASTERN ZONES SHOULD BE SAFE FROM TSRA OVERNIGHT NOW THAT SUN HAS
GONE DOWN AND WITH WV CURVE SUPPORTING MODELS ABOUT NO MORE DYNAMICS
TIL SUNDAY.

OTHERWISE...CONTINUITY AS EXPRESSED IN ONGOING FORECAST LOOKS GOOD
FOR FIRST PD.

SO...WILL UPDATE CDT ZONES TO GET RID OF THUNDERSTORMS BEFORE 9 PM
MDT. MDT ZONES WILL FOLLOW LATER TONIGHT ONCE CONVECTION DIES.

GLD  060/095/062/100 1220  HLC  066/097/068/102 -22-
CBK  062/097/063/101 1220  MCK  065/095/067/100 -22-
TRB  060/093/062/098 3220  ITR  058/094/060/099 2220

KWIATKOWSKI

In the hours before

Local storm report, Jun 28, 9:55 PM MDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
955 PM MDT (1055 PM CDT) SAT JUN 28 1997

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0755 PM    3 N STRATTON              CO   1.00 INCH HAIL
06/28/97   KIT CARSON                     NICKEL TO QUARTER HAIL
                                          FELL FOR TEN MINUTES

ENTWISTLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 1:12 AM MDTSevere Thunderstorm WarningGLDSherman48 min
Jun 29, 1:26 AM MDTSevere Thunderstorm WarningGLDWallace34 min
Jun 29, 2:54 AM MDTSevere Thunderstorm WarningGLDGove61 min
Jun 29, 3:25 AM MDTTornado WarningGLDGove35 min
Jun 29, 5:29 PM MDTTornado WarningGLDSherman61 min
Jun 29, 5:36 PM MDTSevere Thunderstorm WarningGLDGreeley, Wallace64 min
Jun 29, 5:52 PM MDTSevere Thunderstorm WarningGLDWallace48 min
Jun 28, 7:13 PM MDTSevere Thunderstorm WarningGLDKit Carson32 min
Jun 28, 7:42 PM MDTSevere Thunderstorm WarningGLDKit Carson33 min
Jun 28, 8:28 PM MDTSevere Thunderstorm WarningGLDYuma62 min
Jun 28, 11:29 PM MDTSevere Thunderstorm WarningGLDYuma46 min
Jun 29, 4:23 PM MDTSevere Thunderstorm WarningGLDKit Carson62 min
Jun 29, 5:19 PM MDTTornado WarningGLDKit Carson61 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.