An incoming front brought high winds to a few locations along the southern Oregon coast.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MFR wrote it up.
An incoming front brought high winds to a few locations along the southern Oregon coast.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Medford, OR wrote its last area forecast discussion before the first event at Nov 13, 3:03 PM PST, 4 hours 11 minutes earlier.
Area Forecast Discussion
National Weather Service Medford OR
303 PM PST Mon Nov 13 2017
.DISCUSSION...
Short term...Today through Friday...The cold front associated
with an upper low west of Vancouver Island is in the eastern
portion of our CWA and will continue its trek southeastward this
evening. After more than an inch of rain overnight in Brookings,
rainfall along the coast has been light and showery. Around a half
inch of rain fell at Toketee Falls...and less than a tenth of an
inch at Klamath Falls. Road cameras continue to show snow at
Crater Lake. Snow levels are above 5000 feet, but should drop
close to 4000 feet over the west side tonight... and 4500 feet
east of the Cascades as the cold air mass behind the front moves
overhead. Klamath Falls may see a few snowflakes tonight in a
rain/snow mix...but do not expect accumulation. On the other hand,
there could be around 2 inches of snow on hwy 140 near Lake of
the Woods. On the East Side...Winds gusted to 45 mph earlier at
Summer Lake, and to 35 mph at Fort Rock...but winds have
diminished substantially since this morning. Winds over eastern
Klamath, Lake, and Modoc Counties will continue to gradually
decrease tonight.
Low precipitation rates along the coast will continue through this
evening. The surface trough along the low will advance inland
tonight, bringing another round of precipitation to the coast.
Models have trended slightly wetter with this feature, so
increased QPF for tonight in the afternoon forecast package,
mainly over the Curry County coast, and slight increases in the
Cascades.
Weather will be benign Tuesday. Another low will drop down
towards Vancouver Island Tuesday, pushing several shortwaves into
the PacNW. Expect most moisture to be concentrated in northern
Oregon and Washington Tuesday, and the Medford CWA will be on the
periphery... though certainly can't rule out some showers on the
west side.
There is uncertainty, but models generally agree on a low forming
near 30N and 150W late Tuesday... which will be a source of tropical
moisture for the next system, potentially bringing heavy
precipitation. The low in the Gulf of Alaska will push a cold front
onshore Wednesday. We'll see another round of strong winds in the
usual places Wednesday morning. Tropical moisture from the low north
of Hawaii should feed into this system ahead of the front, bringing
widespread rainfall, heavy at times. Snow levels will be around
5500 feet...then drop Thursday behind the cold front and the area
will transition to a showery regime. While the heaviest
precipitation should fall before snow levels drop, this will be a
wet system, and there will likely be abundant moisture remaining.
This could cause impacts at passes. -MSC
EXTENDED DISCUSSION...Fri (11/17) through Mon (11/20)...Models
are out of phase for Friday with the GFS building a short term but
large ridge over the Pacific NW; whereas, the ECMWF has a weak
short wave ridging in NW flow. We've kept rain chance to the
coast, Umpqua Basin and part of Josephine county in a nod to the
ECMWF solution. A similar discrepancy extends into Saturday. As a
result, we have lowered rain chance for Saturday and keep them
mainly from the Cascades west.
The models come into good agreement that a wave of subtropical
moisture will move over us from the southwest during the latter part
of next weekend. If this is correct, it could bring a batch of hefty
precipitation and high snow levels to our area. Ensemble IVT
moisture transport shows a decent amount on Sunday and Monday, but
it also shows a lesser amount of moisture beyond Monday for most of
next week. /FB
&&
.AVIATION...13/18Z TAF CYCLE...LLWS will continue to be a concern
for KOTH, KRBG, and KMFR due to strong southwest winds aloft, but
this should improve by mid afternoon. Winds will remain gusty along
the coast, over the ridges and east of the Cascades through much of
the TAF period, and showers will persist over the area through this
evening. Mostly VFR conditions will prevail, but there will be areas
of MVFR/IFR cigs this morning with higher terrain obscured, and
within areas of heavier showers. -BPN
&&
.MARINE...Updated 200 PM PST Monday 13 November 2017...Very
steep and hazardous seas continue due to heavy west swell and
persistent southwest winds. Winds will weaken this evening, but seas
will remain steep until the next front arrives Tuesday. Expect
another round of southerly Gales and very steep seas beginning
Tuesday afternoon and persisting through much of Wednesday. The
active pattern will continue for the foreseeable future, with more
fronts possible over the next 7 to 10 days. Expect conditions to
remain unsettled and seas to remain elevated through at least the
weekend. -BPN
&&
.MFR WATCHES/WARNINGS/ADVISORIES...
OR...High Wind Warning until 4 PM PST this afternoon for ORZ030-031.
Wind Advisory until 4 PM PST this afternoon for ORZ030-031.
CA...None.
Pacific Coastal Waters...Gale Warning from 7 PM Tuesday to 4 PM PST Wednesday for
PZZ356-376.
Hazardous Seas Warning until 7 PM PST Tuesday for
PZZ350-356-370.
Gale Warning from 1 PM Tuesday to 4 PM PST Wednesday for
PZZ350-370.
Hazardous Seas Warning until 4 PM PST Wednesday for PZZ376.
MSC/FJB/MSCThe national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
Wind gusts at the Flynn Prairie RAWS exceeded 60 mph continuously during this interval. The peak gust was 67 mph at 17/2013 PST.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oregon in 2017Every state in 2017This day in weather historyWarnings in Oregon, November 2017
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 722179.