Alert archive / Colorado / Special Weather Statements in 2021
Special Weather Statement, NWS Goodland, KS
NWS Goodland, KS issued this special weather statement at Sep 12, 2021, 4:35 PM MDT for Kit Carson County, Colorado. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 12, 2021, 4:35 PM MDT (22:35 UTC)
- Expired
- Sep 12, 2021, 5:00 PM MDT
- In force
- 25 min
- Issued by
- NWS Goodland, KS
- Hail
- 0.25 in
- Wind
- 55
County Kit Carson County, CO
The radar
The Goodland radar (KGLD), 112 km from the middle of the area, began a volume at 22:38 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
Denver, CO (KDNR), launched 12:00Z, 10.6 hours before the alert went out and 53 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
- 9 J/kg
- Mixed-layer CIN
- -377 J/kg
- Mixed-layer LCL
- 2276 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Sep 12, 2:50 PM MDT, 1 hour 45 minutes earlier.
Area forecast discussion, Sep 12, 2:50 PM MDT, 1 hour 45 minutes before
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</html>Hazardous weather outlook, Sep 12, 3:00 PM MDT, 1 hour 35 minutes before
Hazardous Weather Outlook National Weather Service Goodland KS 300 PM MDT Sun Sep 12 2021 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-131300- Yuma-Kit Carson-Cheyenne-Rawlins-Decatur-Norton-Sherman-Thomas- Sheridan-Graham-Wallace-Logan-Gove-Greeley-Wichita-Dundy-Hitchcock- Red Willow- 300 PM MDT Sun Sep 12 2021 /400 PM CDT Sun Sep 12 2021/ This hazardous weather outlook is for extreme southwest Nebraska... northwest Kansas and east central Colorado. .DAY ONE...THIS AFTERNOON AND TONIGHT... There are Marginal and Slight risk areas for potential severe thunderstorms from 5 PM MDT (6 PM CDT) to 10 PM MDT (11 PM CDT). The area of focus will be mainly along and west of Highway 83. The primary hazards are wind gusts up to 70 mph and hail up to one inch in diameter. The strong wind gusts may produce some blowing dust and reduced visibilities. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SUNDAY... There is a Marginal risk for severe thunderstorms Monday afternoon and evening for areas mainly along and north of Interstate 70 and west of Highway 83. Elevated fire weather conditions are possible Thursday afternoon across far eastern Colorado. Elevated fire weather conditions are possible Friday, Saturday and Sunday afternoons along and west of Highway 83. .SPOTTER INFORMATION STATEMENT... Spotter activation will be needed from 5 PM MDT (6 PM CDT) to 10 PM MDT (11 PM CDT) for those along and west of Highway 83.
In the hours before
Special weather statement, Sep 12, 4:35 PM MDT, 0 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 |
|---|---|---|---|---|
| Sep 11, 10:46 PM MDT | Special Weather Statement | GLD | Sherman | 29 min |
| Sep 11, 11:15 PM MDT | Special Weather Statement | GLD | Cheyenne, Rawlins, Sherman | 45 min |
| Sep 11, 11:57 PM MDT | Special Weather Statement | GLD | Logan, Thomas | 33 min |
| Sep 12, 1:33 AM MDT | Special Weather Statement | GLD | Cheyenne | 27 min |
| Sep 11, 9:32 PM MDT | Special Weather Statement | GLD | Cheyenne, Kit Carson, Yuma | 28 min |
| Sep 11, 10:13 PM MDT | Special Weather Statement | GLD | Kit Carson | 32 min |
| Sep 12, 4:59 PM MDT | Special Weather Statement | GLD | Kit Carson | 31 min |
| Sep 12, 5:06 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 54 min |
| Sep 12, 5:44 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 61 min |
| Sep 12, 5:58 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 47 min |
Nearby
Special Weather Statements in Colorado, 2021Every special weather statement in 2021
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.