The Weather Prediction Center
College Park, MD
Storm Summary Message
Storm Summary Number 2 for Thanksgiving Week Coast to Coast Winter
Storm
NWS Weather Prediction Center College Park MD
700 AM PST Wed Nov 27 2019
...A significant Winter storm is currently impacting the Western
U.S....
High Wind Warnings are in place for west-central Montana and
western Nevada.
Blizzard Warnings are in effect for northern Montana. Winter Storm
Warnings are in effect for much of central and southeastern
Oregon, the Shasta, Sierra Nevada, and the San Gabriel and San
Bernadino mountains of California, south-central Nevada, central
Idaho and much of Utah. Winter Weather Advisories are in effect
for the coasts of central and Southern Oregon, Californias
northern coast, central coastal range, and northern Sacramento
Valley, much of northern Nevada, and southern Idaho.
For a detailed graphical depiction of the latest watches, warnings
and advisories, please see www.weather.gov
At 600 AM PST...A strong occluded Pacific storm system was located
over south-central Oregon between Kalamath and Lakeview. The
surface low had a central pressure of 984 mb, or 29.06 inches of
mercury. National Weather Service radar and surface observations
showed moderate to heavy precipitation tracking through central
and southern California. The Sierra are reporting moderate
snowfall while valleys contend with moderate to heavy rain.
Moderate to heavy snowfall was observed over parts of eastern
Oregon, southeastern Idaho and western Colorado. Intense wind
gusts are occurring across much of these affected regions.
...Selected preliminary Storm Total Snowfall in inches from 700 AM
PST Tue Nov 26 through 600 AM PST Tue Nov 26...
...CALIFORNIA...
NEVADA CITY 1.7 SSE 11.5
LEWISTON 8.0
YREKA 1 WNW 5.5
...OREGON...
NW BEND 6.5
SISTERS 6.0
JOSEPH 1.2 SSE 5.4
ENTERPRISE 4.4 SSW 4.7
...Selected preliminary Storm Total Rainfall in inches from 700 AM
PST Tue Nov 26 through 600 AM PST Tue Nov 26...
...CALIFORNIA...
MOUNT SHASTA 1.08
REDDING MUNI ARPT 0.66
...OREGON...
SEXTON SUMMIT 0.81
BROOKINGS ARPT 0.77
...Selected preliminary Peak Wind gusts in miles per hour earlier
in the event...
...CALIFORNIA...
BIG ROCK RIDGE 66
TWISSELMAN 64
SCHOOLHOUSE 63
GRAPEVINE 3 SSE 60
LANCASTER 14 WSW 60
CALAVERAS ROAD 59
KNEELAND 59
BOLAM 56
CRESCENT CITY ARPT 55
LOS GATOS (RAWS) 55
LAS TRAMPAS WILDERNESS 54
ARCATA/EUREKA ARPT 52
MARYSVILLE/YUBA CNTY ARPT 51
...OREGON...
CAPE BLANCO 106
SQUAW PEAK 90
QUAIL PRAIRIE LOOKOUT 62
RED MOUND 57
ROGUE VALLEY INTL ARPT 54
FLYNN PRAIRIE 53
The storm system is forecast to track across the intermountain
west through Friday morning before entering into the Great Plains
Friday Morning. Precipitation associated with deep Pacific
moisture will track into much of the western U.S. with periods of
valley rain and mountain snow throughout today. Central coastal
ranges and valleys of California will contend with scattered
showers and thunderstorms today with southern California soon to
follow on Thanksgiving. The Sierra Nevada will measure snowfall in
feet with some of the highest elevations picking up several feet
of snow. The southern mountains of California will also receive
heavy snowfall with amounts of 12-24" possible. The storm will
track into the Great Basin and central Rockies where more heavy
snow is anticipated on Friday and into the weekend. High winds
will be most common in California, Oregon, and parts of the
northern and southern Rockies on Wednesday.
The next Storm Summary will be issued by the Weather Prediction
Center at 700 PM PST. Please refer to your local National Weather
Service office for additional information on this event.
Kebede
Last Updated: 1003 AM EST WED NOV 27 2019