Alert archive / Washington / High Wind Watches in 2020
High Wind Watch 2, NWS Pendleton, OR
NWS Pendleton, OR issued this high wind watch at Oct 12, 2020, 3:06 AM PDT for 6 counties in Oregon; 7 counties in Washington. It took effect at Oct 13, 2020, 2:00 PM PDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Oct 12, 2020, 3:06 AM PDT (10:06 UTC)
- In effect from
- Oct 13, 2020, 2:00 PM PDT
- Expired
- Oct 13, 2020, 3:28 AM PDT
- In force
- Issued by
- NWS Pendleton, OR
Counties Gilliam County, OR, Morrow County, OR, Sherman County, OR, Umatilla County, OR, Wasco County, OR, Wheeler County, OR, Benton County, WA, Columbia County, WA, Franklin County, WA, Kittitas County, WA, Klickitat County, WA, Walla Walla County, WA, Yakima County, WA
The radar
The Pendleton radar (KPDT), 77 km from the middle of the area, began a volume at 10:10 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
Spokane, WA (KOTX), launched 00:00Z, 10.1 hours before the alert went out and 329 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
- No buoyant parcel
- Mixed-layer LCL
- 1512 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 114 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 Pendleton, OR wrote its last area forecast discussion before this high wind watch went out at Oct 12, 2:18 AM PDT, 48 minutes earlier.
Area forecast discussion, Oct 12, 2:18 AM PDT, 48 minutes before
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High Wind Watches in Washington, 2020High Wind Watches in Oregon, 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; radar from the NEXRAD Level II archive.