Alert archive / Colorado / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 177, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Jul 19, 1997, 5:39 PM MDT for Kit Carson 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
- Jul 19, 1997, 5:39 PM MDT (23:39 UTC)
- Expired
- Jul 19, 1997, 6:45 PM MDT
- In force
- 66 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Kit Carson County, CO
The radar
The Goodland radar (KGLD), 78 km from the middle of the area, began a volume at 23:41 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 |
|---|---|---|---|
| Jul 19, 5:45 PM MDT | Hail 1 | Flagler, CO | |
| Jul 19, 6:00 PM MDT | Thunderstorm Wind 57 | Seibert, CO | Branches up to 4 inches in diameter broken by estimated 60 to 70 mph winds. |
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, 11.7 hours before the alert went out and 83 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
- 31 J/kg
- Mixed-layer CIN
- -303 J/kg
- Mixed-layer LCL
- 1548 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
939 WUUS1 KGLD 192341 RRA SVRGLD COC063-200045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GOODLAND KS 539 PM MDT SAT JUL 19 1997 * SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL KIT CARSON COUNTY IN EAST CENTRAL COLORADO * UNTIL 645 PM MDT * SOME LOCATIONS AFFECTED 9 MILES SOUTH OF VONA AROUND 615 PM MDT * AT 538 PM MDT...GOODLAND DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 34 MILES WEST OF BURLINGTON OR 10 MILES SOUTH OF SEIBERT MOVING EAST AT 10 MPH. THIS IS A DANGEROUS STORM STAY INDOORS AWAY FROM WINDOWS. VOJTESAK
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 Jul 19, 2:31 PM MDT, 3 hours 8 minutes earlier.
Area forecast discussion, Jul 19, 2:31 PM MDT, 3 hours 8 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 231 PM MDT (331 PM CDT) SAT JUL 19 1997 ...FORECAST PROBLEM THROUGH PERIOD WILL BE CHANCE OF PCPN... BASED ON UPR AIR ANAL...SATL...AND CURRENT RADAR...WOULD HAVE TO SAY AVN IS THE MODEL OF CHOICE ALTHOUGH IS NOT PERFECT. HWVR...WITH EACH MODEL HAVING SLIGHTLY DIFFERENT SOLNS IN THIS RUN...PREV RUNS...CONV FEEDBACK...AND KNOWN BIASES...DO NOT BELIEVE ALL MODELS HAVE THEIR ACT TOGETHER. GLD WSR-88D AND SATL SHOWG SCT THUNDERSTORMS DEVELOPING IN MOIST MONSOONAL TYPE AMS AHEAD OF WRN CONUS UPR SYSTEM. SATL...SFC...AND UPR AIR ANAL SHOW NUMEROUS SYNOPTIC AND MESOSCALE BNDERIES FOR STORMS TO FIRE OFF OF. AMS OVR ENTIRE CWA IS VERY MOIST AND UNSTABLE BASED ON MODIFIED SNDGS AND PROGGED CAPES. ALSO PATH OF SMALL UPR SYSTEM MOVING INTO KS WL ALSO PLAY A FACTOR. WITH WHAT IS GOING ON NOW...WL PUT SCATTERED POPS IN ENTIRE CWA TONIGHT. STATEMENTS FROM DEN AND PUB HAVE TSTMS MOVG SLOWLY AND PRODUCING HVY RNFL...AND THAT SHOULD BE MAIN THREAT WITH LGT WIND FIELD SHOWN ALOFT. WILL KEEP SCT POPS GOING INTO SUN DUE TO PSBL LINGERING OF STUFF FM OVERNIGHT WHICH HAS BEEN CASE WITH KS SYSTEM AND ALSO WITH MONSOON MSTR. LEFTOVER BNDERIES AND LEE TROF ALG WITH SLOW MOVG FRONT SHOULD FIRE MORE TSTMS SUN NGT INTO MON. A WEAK S/W COULD HELP THINGS OUT TMRW AS WELL. LEE TROF TO NOT MOVE FAR EAST AND KEEP WINDS IN UPSLOPE DIR THROUGH PERIOD AND WITH LIGHT WIND FIELD SHOULD KEEP MSTR ARND. BASED ON PREV PERFORMANCE AND PSBL RAIN COOLED AIR WL GO BLO ON MINS TONIGHT AND CLOSE TO TMRW NIGHT. NGM MOS MAXES LOOK RSNBL BUT MAY TRIM A TAD WITH CLDS AND ELY FLOW ARND. 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.