Alert archive / Idaho / Winter Weather Advisories in 2015

Winter Weather Advisory 13, NWS Spokane, WA

November 16, 20155 counties in Washington; 6 counties in Idaho

NWS Spokane, WA issued this winter weather advisory at Nov 16, 2015, 2:48 AM PST for 5 counties in Washington; 6 counties in Idaho. It took effect at Nov 16, 2015, 2:00 PM PST. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Nov 16, 2015, 2:48 AM PST (10:48 UTC)
In effect from
Nov 16, 2015, 2:00 PM PST
Expired
Nov 17, 2015, 10:00 AM PST
In force
20 hr
Issued by
NWS Spokane, WA

Counties Benewah County, ID, Bonner County, ID, Boundary County, ID, Kootenai County, ID, Latah County, ID, Shoshone County, ID, Ferry County, WA, Okanogan County, WA, Pend Oreille County, WA, Spokane County, WA, Stevens County, WA

The radar

The Spokane radar (KOTX), 43 km from the middle of the area, began a volume at 10:53 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.

What forecasters said that day

The local office's own words before this winter weather advisory 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 weather advisory went out at Nov 16, 2:21 AM PST, 27 minutes earlier.

Area forecast discussion, Nov 16, 2:21 AM PST, 27 minutes before
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Hazardous weather outlook, Nov 15, 2:36 PM PST, 12 hours 12 minutes before
Hazardous Weather Outlook
National Weather Service SPOKANE WA
236 PM PST SUN NOV 15 2015

IDZ002-003-026-027-WAZ031>036-041-044-162245-
COEUR D'ALENE AREA-IDAHO PALOUSE-LEWISTON AREA-
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS-
LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE-
MOSES LAKE AREA-UPPER COLUMBIA BASIN-SPOKANE AREA-WENATCHEE AREA-
WATERVILLE PLATEAU-
236 PM PST SUN NOV 15 2015

This Hazardous Weather Outlook is for portions of North Idaho...
North Central Idaho...Central Washington...East Central
Washington...North Central Washington...Northeast Washington and
Southeast Washington.

.DAY ONE...THIS AFTERNOON AND TONIGHT

Windy conditions will develop again today as a cold front passes
through the region. Wind gusts of 40 to 50 mph are possible over
the Palouse region and the Pomeroy area this afternoon with 30 to
40 mph guts elsewhere.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A break in the weather is expected Monday before a warm front
brings a chance for light snow accumulations mainly above 2000
feet around the Spokane area, Palouse, Upper Columbia Basin, and
Waterville Plateau Monday night. Warming temperatures late Monday
night is expected to melt the snow by Tuesday morning.

Tuesday will see the highest impact weather with very strong
winds likely throughout the region. Wind gusts of 50 to 60 mph
with locally stronger gusts are possible. These winds may result
in downed trees and power lines. Travel will also be more
difficult with localized areas of blowing dust.

IDZ001-004-WAZ037-162245-
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
NORTHEAST MOUNTAINS-
236 PM PST SUN NOV 15 2015

This Hazardous Weather Outlook is for portions of North Idaho and
Northeast Washington.

.DAY ONE...THIS AFTERNOON AND TONIGHT

No hazardous weather expected at this time.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Light snow accumulations are expected Monday night before warming
temperatures Tuesday morning changes snow to rain.

Tuesday will see the highest impact weather with strong winds
likely. The highest wind gusts are expected in the mountains, and
around the Deer Park, Newport, and Athol areas where gusts in
excess of 50 mph are possible. These winds may result in downed
trees and power lines.

WAZ038-043-162245-
OKANOGAN HIGHLANDS-OKANOGAN VALLEY-
236 PM PST SUN NOV 15 2015

This Hazardous Weather Outlook is for portions of North Central
Washington.

.DAY ONE...THIS AFTERNOON AND TONIGHT

No hazardous weather expected at this time.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Light snow accumulations are possible Monday night in the Okanogan
Valley and Highlands.

Windy conditions are expected on Tuesday with localized power
outages possible.

WAZ042-162245-
EAST SLOPES NORTHERN CASCADES-
236 PM PST SUN NOV 15 2015

This Hazardous Weather Outlook is for portions of North Central
Washington.

.DAY ONE...THIS AFTERNOON AND TONIGHT

No hazardous weather expected at this time.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Another strong but colder storm system is expected Monday night
which will likely bring moderate snow accumulations to the valley
floors for the upper end of the Methow Valley and possibly
Stehekin. Light valley accumulations are possible elsewhere.

Very strong winds are likely in the mountains on Tuesday...with
windy conditions expected to develop in the valleys by Tuesday
evening. This may lead to downed trees especially in the
mountains...as well as power outages.

The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 16, 11:43 AM PSTHigh Wind WarningOTXAdams, Asotin, Chelan, Douglas, Garfield, Grant and 6 more43 hr
Nov 16, 11:43 AM PSTWind AdvisoryOTXDouglas, Ferry, Okanogan43 hr

Nearby

Winter Weather Advisories in Idaho, 2015Winter Weather Advisories in Washington, 2015Every winter weather advisory in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.