Alert archive / Wyoming / High Wind Watches in 2017
High Wind Watch 19, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Oct 6, 2017, 2:37 PM MDT for Laramie County, Wyoming. It took effect at Oct 7, 2017, 3:00 AM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Oct 6, 2017, 2:37 PM MDT (20:37 UTC)
- In effect from
- Oct 7, 2017, 3:00 AM MDT
- Expired
- Oct 7, 2017, 2:28 AM MDT
- In force
- Issued by
- NWS Cheyenne, WY
County Laramie County, WY
The radar
The Cheyenne radar (KCYS), 20 km from the middle of the area, began a volume at 20:42 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 (KDEN), launched 12:00Z, 8.6 hours before the alert went out and 202 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
- 70 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cheyenne, WY wrote its last area forecast discussion before this high wind watch went out at Oct 6, 11:11 AM MDT, 3 hours 26 minutes earlier.
Area forecast discussion, Oct 6, 11:11 AM MDT, 3 hours 26 minutes before
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</html>Hazardous weather outlook, Oct 6, 3:23 AM MDT, 11 hours 14 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 323 AM MDT Fri Oct 6 2017 WYZ101>119-070930- Converse County Lower Elevations-Niobrara County- North Laramie Range-Ferris/Seminoe/Shirley Mountains- Shirley Basin-Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-Central Carbon County- North Snowy Range Foothills-Southwest Carbon County- Sierra Madre Range-Upper North Platte River Basin-Snowy Range- Laramie Valley-South Laramie Range-South Laramie Range Foothills- Central Laramie County-East Laramie County- 323 AM MDT Fri Oct 6 2017 This hazardous weather outlook is for portions of east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT Windy conditions will develop tonight and persist through Saturday afternoon. The strongest winds will be in the wind prone areas of southeast Wyoming where gusts to 60-65 mph are possible and a High Wind Watch is in effect. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A strong cold front will move through the region Sunday evening, bringing a good chance of accumulating snow to areas above 5000 feet on Sunday night into Monday morning. .Spotter information statement... Spotter activation will not be needed. NEZ002-003-019>021-054-055-095-096-070930- Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne- North Sioux-South Sioux- 323 AM MDT Fri Oct 6 2017 This hazardous weather outlook is for portions of western Nebraska. .DAY ONE...TODAY AND TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A strong cold front will move through the region Sunday evening, potentially bringing accumulating snow to areas above 5000 feet on Sunday night into Monday morning. .Spotter information statement... Spotter activation will not be needed.
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 8:00 PM MDT | Dense Fog Advisory | CYS | Albany, Laramie | 7 hr |
| Oct 6, 2:37 PM MDT | High Wind Warning | CYS | Albany, Carbon, Converse, Laramie, Platte | 28 hr |
| Oct 6, 2:43 PM MDT | Fire Weather Watch | CYS | 12 hr |
Nearby
High Wind Watches in Wyoming, 2017Every high wind watch in 2017
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.