Alert archive / Colorado / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 128, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Jun 20, 2023, 7:07 PM MDT for Yuma County, Colorado. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 20, 2023, 7:07 PM MDT (01:07 UTC)
- Expired
- Jun 20, 2023, 7:45 PM MDT
- In force
- 38 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Yuma County, CO
The radar
The Goodland radar (KGLD), 94 km from the middle of the area, began a volume at 01:06 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.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.1 hours before the alert went out and 199 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
- 2113 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1242 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 20, 5:00 PM MDT, 2 hours 7 minutes earlier.
Area forecast discussion, Jun 20, 5:00 PM MDT, 2 hours 7 minutes before
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Hazardous Weather Outlook National Weather Service Goodland KS 232 PM MDT Tue Jun 20 2023 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-212045- Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas- Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock- Red Willow- 232 PM MDT Tue Jun 20 2023 /332 PM CDT Tue Jun 20 2023/ This hazardous weather outlook is for extreme southwest Nebraska... northwest Kansas and east central Colorado. .DAY ONE...THIS AFTERNOON AND TONIGHT... A conditional chance for a severe storm or two exists north of Interstate 70 late this afternoon and into the evening. If a storm does develop, large hail to two inches in diameter, damaging winds to 70 mph, and torrential rainfall would be the primary hazards. Additional storms are possible overnight tonight along and east of Highway 83. The primary threats with these storms will be large hail, to the size of golfballs, and torrential rainfall. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY... Thunderstorms are expected to increase in coverage Wednesday, Thursday, and Friday across the area. Severe storms are possible with the potential for large hail, damaging wind, and perhaps a tornado. Torrential rainfall will also accompany any storm leading to the continued risk for flash flooding. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required.
In the hours before
Special weather statement, Jun 20, 6:03 PM MDT, 1 hour 4 minutes before
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</html>Local storm report, Jun 20, 6:51 PM MDT, 16 minutes before
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</html>Local storm report, Jun 20, 6:58 PM MDT, 9 minutes before
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</html>Local storm report, Jun 20, 7:03 PM MDT, 4 minutes before
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</html>The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 12:43 AM MDT | Flood Watch | GLD | Greeley, Logan, Sherman, Thomas, Wallace, Wichita | 32 hr |
| Jun 21, 1:57 AM MDT | Special Weather Statement | GLD | Graham | 33 min |
| Jun 21, 3:04 AM MDT | Special Weather Statement | GLD | Graham | 26 min |
| Jun 21, 3:34 AM MDT | Special Weather Statement | GLD | Graham | 26 min |
| Jun 20, 6:03 PM MDT | Special Weather Statement | GLD | Yuma | 27 min |
| Jun 20, 6:29 PM MDT | Special Weather Statement | GLD | Yuma | 31 min |
| Jun 20, 6:40 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 35 min |
| Jun 21, 3:43 PM MDT | Special Weather Statement | GLD | Cheyenne | 32 min |
| Jun 21, 3:54 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 47 min |
| Jun 21, 5:06 PM MDT | Special Weather Statement | GLD | Kit Carson | 24 min |
| Jun 21, 5:40 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 32 min |
| Jun 21, 5:08 AM MDT | Special Weather Statement | GLD | Red Willow | 22 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 2023Every severe thunderstorm warning in 2023
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.