Alert archive / Nebraska / High Wind Watches in 2020
High Wind Watch 27, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Nov 6, 2020, 1:32 PM MST for 4 counties in Wyoming; 7 counties in Nebraska. It took effect at Nov 7, 2020, 11:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 6, 2020, 1:32 PM MST (20:32 UTC)
- In effect from
- Nov 7, 2020, 11:00 PM MST
- Expired
- Nov 7, 2020, 3:37 AM MST
- In force
- Issued by
- NWS Cheyenne, WY
Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE, Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.5 hours before the alert went out and 223 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 4305 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- -30 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 Nov 5, 4:30 PM MST, 21 hours 2 minutes earlier.
Area forecast discussion, Nov 5, 4:30 PM MST, 21 hours 2 minutes before
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High Wind Watches in Nebraska, 2020High Wind Watches in Wyoming, 2020Every high wind watch in 2020
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.