Alert archive / Washington / Winter Storm Watches in 2020
Winter Storm Watch 2, NWS Spokane, WA
NWS Spokane, WA issued this winter storm watch at Jan 14, 2020, 8:46 PM PST for 6 counties in Washington. It took effect at Jan 15, 2020, 1:00 PM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 14, 2020, 8:46 PM PST (04:46 UTC)
- In effect from
- Jan 15, 2020, 1:00 PM PST
- Expired
- Jan 15, 2020, 2:36 AM PST
- In force
- Issued by
- NWS Spokane, WA
Counties Douglas County, WA, Ferry County, WA, Okanogan County, WA, Pend Oreille County, WA, Spokane County, WA, Stevens County, WA
The radar
The Spokane radar (KOTX), 84 km from the middle of the area, began a volume at 04:50 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, 4.8 hours before the alert went out and 161 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
- 712 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Spokane, WA wrote its last area forecast discussion before this winter storm watch went out at Jan 14, 4:14 PM PST, 4 hours 32 minutes earlier.
Area forecast discussion, Jan 14, 4:14 PM PST, 4 hours 32 minutes before
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</html>Hazardous weather outlook, Jan 14, 2:04 PM PST, 6 hours 42 minutes before
Hazardous Weather Outlook National Weather Service Spokane WA 204 PM PST Tue Jan 14 2020 WAZ041>044-151500- Wenatchee Area-East Slopes Northern Cascades-Okanogan Valley- Waterville Plateau- 204 PM PST Tue Jan 14 2020 This Hazardous Weather Outlook is for portions of Central Washington and North Central Washington. .DAY ONE...THIS AFTERNOON AND TONIGHT More light to moderate snow will continue to pile up along the Cascade Crest tonight including Stevens Pass. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY Light to moderate snow accumulations will fall Wednesday night into Thursday morning over the valleys of the East Slopes of the Cascades, the Okanogan Valley, Waterville Plateau, and Wenatchee area. IDZ001-004-WAZ037-038-151500- Northern Panhandle-Central Panhandle Mountains- Northeast Mountains-Okanogan Highlands- 204 PM PST Tue Jan 14 2020 This Hazardous Weather Outlook is for portions of North Idaho... North Central Washington and Northeast Washington. .DAY ONE...THIS AFTERNOON AND TONIGHT Light snow will persist into the evening over the Idaho Panhandle. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY Another round of snow will bring accumulating snow to the Idaho Panhandle and northeast Washington Wednesday night into Thursday. The most significant accumulations are favored over north central and northeast Washington as well as the far north Idaho Panhandle including Republic, Colville, and Sandpoint. IDZ002-003-026-027-WAZ031>033-036-151500- Coeur d'Alene Area-Idaho Palouse-Lewiston Area- Lewis and Southern Nez Perce Counties-Northeast Blue Mountains- Lower Garfield and Asotin Counties-Washington Palouse- Spokane Area- 204 PM PST Tue Jan 14 2020 This Hazardous Weather Outlook is for portions of North Idaho... North Central Idaho...Northeast Washington and Southeast Washington. .DAY ONE...THIS AFTERNOON AND TONIGHT Light snow will decrease this evening. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY Increasing east or southeast winds Wednsday and Wednesday night will have the potential to create drifting snow across the Palouse, West Plains, rural Spokane county, and parts of the Camas Prairie. WAZ034-035-151500- Moses Lake Area-Upper Columbia Basin- 204 PM PST Tue Jan 14 2020 This Hazardous Weather Outlook is for portions of East Central Washington. .DAY ONE...THIS AFTERNOON AND TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY No hazardous weather is expected at this time.
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 15, 2:36 AM PST | Winter Storm Warning | OTX | Chelan, Douglas, Ferry, Grant, Okanogan, Pend Oreille and 2 more | 33 hr |
| Jan 15, 2:36 AM PST | Winter Weather Advisory | OTX | Adams, Chelan, Douglas, Grant, Lincoln, Okanogan and 1 more | 31 hr |
Nearby
Winter Storm Watches in Washington, 2020Every winter storm 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.