Alert archive / Colorado / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 2, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Apr 1, 1997, 11:53 PM MST for Yuma County, Colorado. It was in force for 47 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
- Apr 1, 1997, 11:53 PM MST (06:53 UTC)
- Expired
- Apr 2, 1997, 12:40 AM MST
- In force
- 47 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 07:12 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 |
|---|---|---|---|
| Apr 1, 11:59 PM MST | Hail 1 | Eckley, 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, 6.9 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1850 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 641 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGLD 020655 RRA SVRGLD COC125-020740- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GOODLAND KS 1153 PM MST TUE APR 1 1997 * SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL YUMA COUNTY - IN NORTHEASTERN COLORADO * UNTIL 1240 AM MST * AT 1153 PM MST...A SEVERE THUNDERSTORM WAS INDICATED BY GOODLAND DOPPLER RADAR 17 MILES NORTHWEST OF WRAY OR 5 MILES NORTH OF ECKLEY MOVING NORTH AT 25 MPH. * PLEASE TAKE COVER IfF YOU ARE IN THE WARNED AREA. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! GONSOWSKI
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 Apr 1, 11:23 PM MST, 30 minutes earlier.
Area forecast discussion, Apr 1, 11:23 PM MST, 30 minutes before
AREA FORECAST DISCUSSION...UPDATE NATIONAL WEATHER SERVICE GOODLAND KS 1123 PM MST (1223 AM CST) TUE APR 1 1997 BUSY NIGHT WITH A LOT OF DETAILS TO WORRY ABOUT. UPPER AIR/SFC ANAL...SATL...AND MULTIPLE LEVELS OF PLAN PROFILER WINDS...SHOW LOW LVL MOISTURE...BOUNDERIES...UPSLOPE FLOW ALONG WITH MID AND UPPER DYNAMICS AND INSTABILITY SHOULD REMAIN ACROSS THE AREA THROUGH THE NIGHT. THIS WILL KEEP SCATTERED SHOWERS AND A EVEN A FEW EMBEDDED THUNDERSTORMS GOING THROUGH THE NIGHT. THIS IS CONFIRMED BY BASE REFLECTIVITY RETURNS ATTM FROM THE GLD WSR-88D OVER NORTHEAST AND EAST CENTRAL COLORADO. WILL UPDATE ZONES TO GO CATEGORICAL WITH A FEW THUNDERSTORMS. BASED ON UPSTREAM OBS AND AREA PROFILERS...WINDS WILL GO BREEZY BEHIND PREFRONTAL TROF AND THE REAL FRONT AND WILL CHANGE IN ALL ZONES. BASED ON EARLIER FRONTAL PASSAGE...WILL LOWER MINS OVER COLORADO COUNTIES AND RAIN MIX WITH SNOW LATE TONIGHT. IN EASTERN KS ZONES WILL MENTION FOG WITH MOIST LOW LVL AMS AND SOUTHEAST WINDS MOST OF THE NIGHT. GLD 043/055/042 574 HLC 047/057/046 564 CBK 045/056/043 574 MCK 045/055/045 564 TRB 045/057/043 564 ITR 038/053/041 574 BULLER
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.