Alert archive / Colorado / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 47, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at May 28, 1997, 6:35 PM MDT for Kit Carson 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
- May 28, 1997, 6:35 PM MDT (00:35 UTC)
- Expired
- May 28, 1997, 7:40 PM MDT
- In force
- 65 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 00:36 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 |
|---|---|---|---|
| May 28, 6:50 PM MDT | Hail 0.75 | Vona, 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, 0.6 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
- 1 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 2297 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
638 WUUS1 KGLD 290035 RRA SVRGLD COC063-290140- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GOODLAND KS 635 PM MDT WED MAY 28 1997 * SEVERE THUNDERSTORM WARNING FOR KIT CARSON COUNTY IN EAST CENTRAL COLORADO * UNTIL 740 PM MDT * SOME LOCATIONS AFFECTED VONA AROUND 636 PM MDT 9 MILES SOUTH OF VONA AROUND 655 PM MDT 9 MILES SOUTH OF STRATTON AROUND 705 PM MDT * AT 633 PM MDT...GOODLAND DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 28 MILES WEST OF BURLINGTON OR 3 MILES WEST OF VONA MOVING SOUTHEAST AT 25 MPH. LARGE HAIL IS LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS STAVISH/SKIPPER
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 May 28, 2:44 PM MDT, 3 hours 51 minutes earlier.
Area forecast discussion, May 28, 2:44 PM MDT, 3 hours 51 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 244 PM MDT (344 PM CDT) WED MAY 28 1997 ...FORECAST CHALLENGE IS THUNDERSTORM CHANCES THRU FRIDAY... MID LVL SHORTWAVE ANALYZED AT 12Z OVR THE GRT BASIN INTO MONTANA TO AFFECT PARTS OF GLD CWA THIS EVE INTO EARLY TONIGHT AS IT MOVES E. CURRENT ADAPS AND RADAR INDICATING DESTABILIZATION AND TSTM DVLPMNT OVR PALMER DIVIDE REGION THIS AFTN. MODELS SHOW MAIN BAND OF PCPN TO OCCUR OVR FAR E COLORADO TO KANSAS BORDER THRU THIS EVE AND THEN DROP SE. MID LVL LAPSE RATES THE GREATEST OVR FAR W PARTS OF FA AND CANNOT RULE OUT HAIL REACHING SVR CRITERIA. THEREFORE...WILL MENTN SOME SVR STORMS POSSIBLE...MAINLY FOR FAR E COLORADO ZONES. NW FLOW ALFT WILL CONTINUE NXT FEW PERIODS WITH EMBEDDED SHORTWAVES IN IT. AXIS OF INSTABILITY SHOWS UP OVR THE HI PLAINS BY THURS AFTN. AFTER SOME LOW CLDS THURSDAY MORNING...EXPECT DAYTIME HEATING TO DESTABILIZE AMS. SFC LOW LOOKS TO BE NEAR KS-OK BORDER ON THURSDAY WITH BOUNDARY EXTENDING INTO S-CEN KS. THIS SHOULD PUT GLD CWA IN LGT UPSLOP FLOW DURING THE DAY. AS A RESULT...TEMPS SHOULD NOT WARM UP TOO RAPIDLY BUT NGM MOS LOOKS A BIT TOO COOL AT GLD. HIEST CAPES ON THURSDAY FCST TO BE S OF CWA ALG WITH HIER DEWPOINTS. ANY WIDESPREAD TSTM ACTIVITY S-SE OF CWA IN GREATEST INSTABILITY AREA COULD CUT-OFF MSTR AND DECREASE CHCS OF TSTMS FURTHER N. MODELS GENERALLY SHOWING GREATEST SFC-850 MSTR CONVERGENCE W AND S OF CWA THRU THURSDAY NGT. HOWEVER...MORE SIGNIFICANT SHORTWAVE LOOKS TO BE MOVING THRU CYCLONIC FLOW ALFT FOR THURSDAY NGT INTO FRIDAY. AS A RESULT...HAVE OPTED TO KEEP IN SCT TSTMS DURING LATER PRDS WITH BEST CHCS ACROSS FAR E COLORADO AND EXTREME W KANSAS. GLD 045/070/049/076 444 HLC 046/073/050/076 233 CBK 046/071/049/077 344 MCK 045/071/050/075 233 TRB 046/071/048/077 545 ITR 044/071/048/075 545 KPL
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 7:52 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 33 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.