Alert archive / Colorado / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 210, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Aug 31, 1997, 6:05 PM MDT for Yuma County, Colorado. It was in force for 65 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
- Aug 31, 1997, 6:05 PM MDT (00:05 UTC)
- Expired
- Aug 31, 1997, 7:10 PM MDT
- In force
- 65 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Yuma County, CO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 31, 6:15 PM MDT | Hail 0.75 | Laird, CO | Wind speed estimated to 60 mph at Laird. |
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, 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.
- Mixed-layer CAPE
- 445 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 1931 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 27 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 010006 RRA SVRGLD COC125-010110- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GOODLAND KS 605 PM MDT SUN AUG 31 1997 * SEVERE THUNDERSTORM WARNING FOR EASTERN YUMA COUNTY IN NORTHEASTERN COLORADO * UNTIL 710 PM MDT * SOME LOCATIONS AFFECTED LAIRD AROUND 605 PM MDT 7 MILES NORTH OF LAIRD AROUND 650 PM MDT * AT 602 PM MDT...GOODLAND DOPPLER RADAR INDICA>TED A SEVERE THUNDERSTORM 8 MILES EAST OF WRAY OR 2 MILES EAST OF LAIRD MOVING NORTH AT 10 MPH. THIS IS A DANGEROUS STORM! STAY INDOORS AWAY FROM WINDOWS. KPL
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 Aug 31, 12:18 PM MDT, 5 hours 47 minutes earlier.
Area forecast discussion, Aug 31, 12:18 PM MDT, 5 hours 47 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 1218 PM MDT (118 PM CDT) SUN AUG 31 1997 ...POPS TNGT AND TIMING OF COLD FNT LT PD 3 SEEM TO BE BIG CHALLENGES FOR TDAS PCKG.. HV OPTED TO GO MORE WITH ETA TDA...SINCE ITS TIMING OF NEW UPR LVL DYNAMICS FM NRN CO AND SRN WY LOOKS MOST CNSTNT FM WHAT IS HAPPENING NOW WITH WV IMAGERY. IN REALITY...FEEL NONE OF THE MODELS WILL BE MUCH HELP IN TIMING ANY CNVTN TNGT...SO WILL GO MORE WITH A PERSISTENCE FCST PD 1. SINCE TSTMS HV CONTINUED TO DVLP AND PERSIST AT NGT OVR THE LAST 3 DAYS...FEEL THIS WILL HAPPEN AGN...WITH STMS DVLPG EARLIEST OVR OUR CO COUNTIES THIS EVE AND LINGERING THE LONGEST OVR OUR ERN NW KS COUNTIES INTO ERL PD 2. LBF MODIFIED SOUNDING TDA WITH A HI OF 86 WITH A DWPNT OF 66 GIVES A 3500 TO 4000 CAPE...SO 1ST FEW STMS MAY BECOME MARGINALLY SVR THIS EVE NW OF A MCK NE-CHEYENNE WELLS CO LN. ONLY CHG FM DRAFT ZNS WILL BE TO UP POPS TO 40 PCT OVR XTRM SW NE COUNTIES...SINCE THE BEST UPR FORCING APPRS TO MOVE EWRD THRU NE. OTRW...WILL MENTION HVY RNFL GVN LBF MODIFIED HODOGRAPH WHICH INDCD POTENTIAL SLOW MOTION OF STRONG STMS. UPSLOPE FOG MODULE ON ETA GRIDDED DATA DOES NOT YIELD MUCH FOG...BUT KEPT PATCHY FOG IN FCST LATE TONIGHT IN CASE WIDESPREAD RAINFALL ALTERS BOUNDARY LAYER MOISTURE FROM MODEL EXPECTATIONS. NEXT CHALLENGE IS TIMING THE COLD FNT INTO OUR CWA. WITH THE FNT XPCD TO ARRIVE INTO THE PLATTE RIVER VALLEY BY MID TUE...FEEL IT SHOULD OVERTAKE MOST OF OUR CWA BY LT MORN TUE. WILL MENTION 20 PCT POPS MON NGT WITH FNT. LASTLY...WILL GO AT OR SLIGHTLY BELOW FWC TEMPS ALL PDS. HIGHS MON FOR ERN NW KS COUNTIES MAY BE TRICKIEST DEPENDING ON WHETHER CNVTN PERSISTS OVR THIS AREA PAST DAYBREAK. OVERALL...RATE FCST CONFIDENCE WITH THIS PCKG AOB NORMAL GVN UNCERTAINTY WITH TNGTS CNVTN AND CHGNG REGIME WITH CLD FNT LT PD 3 INTO 4. .GLD...NONE. VJN
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.