Alert archive / Oregon / Winter Storm Warnings in 2021

Winter Storm Warning 12, NWS Medford, OR

December 14, 2021Siskiyou County, California; Jackson County, Josephine County, Klamath County, Oregon

NWS Medford, OR issued this winter storm warning at Dec 14, 2021, 2:12 PM PST for Siskiyou County, California; Jackson County, Josephine County, Klamath County, Oregon. It took effect at Dec 15, 2021, 4:00 AM PST. It was in force for 22 hr. 6 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 14, 2021, 2:12 PM PST (22:12 UTC)
In effect from
Dec 15, 2021, 4:00 AM PST
Expired
Dec 16, 2021, 2:16 AM PST
In force
22 hr
Issued by
NWS Medford, OR

Counties Siskiyou County, CA, Jackson County, OR, Josephine County, OR, Klamath County, OR

The radar

The Medford radar (KMAX), 22 km from the middle of the area, began a volume at 22:15 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 was reported inside it

TimeReportWhereRemark
Dec 15, 9:40 AM PSTSNOW 11 Ssw Obrien, ORAS OF 940 AM PST. SPOTTER IS REPORTING BIG FLAKES OF SNOW.
Dec 15, 1:00 PM PSTHEAVY SNOW 4.51 Wnw Yreka, CA6 HOURS NOW TOTAL, 7AM-1PM. CURRENT TEMP 34F AND SNOWING HEAVILY. ELEVATION 2750FT.
Dec 15, 2:15 PM PSTHEAVY SNOW 143 Sse Mount Shasta, CA7 HOUR SNOW AMOUNT BETWEEN I-5 AND THE RAILROAD TRACKS NEAR THE HWY 89/I-5 JUNCITION. 0715AM-0215PM PST.
Dec 15, 2:57 PM PSTSNOW 55 Nne Selma, OR5 INCHES NEW SNOW.
Dec 15, 3:55 PM PSTHEAVY SNOW 187 Ene Mount Shasta (761, CAOLD SKI BOWL AUTOMATED WX STATION AT 7617FT COURTESY OF THE MT SHASTA AVALANCHE CENTER. SITE RECEIVED 13 INCHES IN 4 HOURS FROM 1100-1500 PACIFIC STANDARD TIME.
Dec 15, 5:03 PM PSTHEAVY SNOW 7.21 Wnw Yreka, CASINCE 7 AM. STATION ELEVATION: 2690 FT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 10.2 hours before the alert went out and 19 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.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 12:00Z on 2021-12-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 12:00Z on 2021-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
3 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
559 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

911 
WWUS46 KMFR 142212
WSWMFR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
212 PM PST Tue Dec 14 2021

CAZ083-151400-
/O.UPG.KMFR.WS.A.0009.211215T1500Z-211216T0600Z/
/O.NEW.KMFR.WW.Y.0033.211215T1200Z-211216T0600Z/
/O.NEW.KMFR.WS.W.0012.211215T1200Z-211216T0600Z/
North Central and Southeast Siskiyou County-
Including the cities of Pondosa and Tennant
212 PM PST Tue Dec 14 2021

...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 10 PM PST
WEDNESDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 10 PM PST
WEDNESDAY...

* WHAT...For the Winter Storm Warning, heavy snow expected. Total
  snow accumulations of 6 to 12 inches. Winds gusting as high as
  60 mph. For the Winter Weather Advisory, snow expected. Total
  snow accumulations of 3 to 6 inches. Winds gusting as high as 
  60 mph.

* WHERE...For the Warning, high terrain areas including the Shasta
  Medicine Lake highlands. For the Advisory, Tennant.

* WHEN...From 4 AM to 10 PM PST Wednesday.

* IMPACTS...Travel could be very difficult. Blowing snow could 
  significantly reduce visibility. The hazardous conditions could 
  impact the morning or evening commute. Strong winds could cause 
  tree damage.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is
  likely and poses a threat to life and property. Take protective
  action now.

&&

$$

CAZ080-151400-
/O.UPG.KMFR.WS.A.0009.211215T1500Z-211216T0600Z/
/O.NEW.KMFR.WW.Y.0033.211215T1200Z-211216T0600Z/
/O.NEW.KMFR.WS.W.0012.211215T1200Z-211216T0600Z/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
and Somes Bar
212 PM PST Tue Dec 14 2021

...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 10 PM PST
WEDNESDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 10 PM PST
WEDNESDAY...

* WHAT...For the Winter Storm Warning, heavy snow expected. Total
  snow accumulations of 5 to 10 inches. Winds gusting as high as 55
  mph in exposed areas. For the Winter Weather Advisory, snow 
  expected. Total snow accumulations of 2 to 5 inches. Winds 
  gusting as high as 45 mph in exposed areas.

* WHERE...For the Warning, Greenview, Forest Mountain Summit on
  Highway 3, Etna Summit on Sawyers Bar Road. For the Advisory,
  Fort Jones, Etna.

* WHEN...From 4 AM to 10 PM PST Wednesday.

* IMPACTS...Travel could be very difficult to impossible. Blowing
  snow could significantly reduce visibility. The hazardous 
  conditions could impact the morning or evening commute. Gusty 
  winds could bring down tree branches.

* ADDITIONAL DETAILS...Snow levels will dip occasionally to near 
  the Klamath River Valley.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is
  likely and poses a threat to life and property. Take protective
  action now.

&&

$$

CAZ081-151400-
/O.NEW.KMFR.WS.W.0012.211215T1200Z-211216T0600Z/
/O.NEW.KMFR.WW.Y.0033.211215T1200Z-211216T0600Z/
Central Siskiyou County-
Including the cities of Weed and Yreka
212 PM PST Tue Dec 14 2021

...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 10 PM PST
WEDNESDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 10 PM PST
WEDNESDAY...

* WHAT...For the Winter Storm Warning, heavy snow expected. Total
  snow accumulations of 3 to 6 inches. Winds gusting as high as 60
  mph. For the Winter Weather Advisory, snow expected. Total snow
  accumulations of 1 to 3 inches. Winds gusting as high as 45 
  mph.

* WHERE...For the Warning, Interstate 5 near Weed. For the
  Advisory, Yreka, Grenada including portions of Interstate 5.

* WHEN...From 4 AM to 10 PM PST Wednesday.

* IMPACTS...Travel could be very difficult. Blowing snow could 
  significantly reduce visibility. The hazardous conditions could 
  impact the morning or evening commute. Strong winds could cause 
  tree damage.

* ADDITIONAL DETAILS...Windy conditions will likely combine with
  snow near Weed to produce very low visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is
  likely and poses a threat to life and property. Take protective
  action now.

&&

$$

CAZ082-151400-
/O.UPG.KMFR.WS.A.0009.211215T1500Z-211216T0600Z/
/O.NEW.KMFR.WS.W.0012.211215T1200Z-211216T0600Z/
South Central Siskiyou County-
Including the cities of Dunsmuir, McCloud, and Mount Shasta
212 PM PST Tue Dec 14 2021

...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 10 PM PST
WEDNESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 8 to 16
  inches. Winds gusting as high as 50 mph in higher terrain and
  exposed areas.

* WHERE...South Central Siskiyou County including portions of
  Interstate 5 south of Weed and portions of Highway 89 at 
  Snowmans and Dead Horse Summit. This also includes the 
  communities of Mount Shasta City, Dunsmuir, McCloud as well as 
  rural areas east of Mount Shasta City and south of Tennant.

* WHEN...From 4 AM to 10 PM PST Wednesday.

* IMPACTS...Travel could be very difficult to impossible. Areas 
  of blowing snow could significantly reduce visibility. The 
  hazardous conditions could impact the morning or evening 
  commute. Gusty winds could bring down tree branches.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is
  likely and poses a threat to life and property. Take protective
  action now.

&&

$$

ORZ027-028-151400-
/O.NEW.KMFR.WW.Y.0033.211215T1500Z-211216T1800Z/
South Central Oregon Cascades-
Siskiyou Mountains and Southern Oregon Cascades-
Including the cities of Crater Lake, Crescent Lake, Diamond Lake,
Union Creek, Howard Prairie, and Siskiyou Summit
212 PM PST Tue Dec 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM WEDNESDAY TO 10 AM
PST THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 6 to 12 
  inches. Winds gusting as high as 60 mph.

* WHERE...Southern Oregon Cascades and Siskiyous including
  Interstate 5 at Siskiyou Summit, Highway 62 near Union Creek and
  Diamond Lake, Highway 138 near Diamond Lake, Highway 140 near
  Lake of the Woods, and Highway 66.  

* WHEN...From 7 AM Wednesday to 10 AM PST Thursday.

* IMPACTS...Travel could be very difficult. Blowing snow could 
  significantly reduce visibility. Strong winds could cause tree 
  damage.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or https://quickmap.dot.ca.gov 
  for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ029>031-151400-
/O.NEW.KMFR.WW.Y.0033.211215T1500Z-211216T0900Z/
Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Klamath Falls, Chemult, Crescent, 
and Valley Falls
212 PM PST Tue Dec 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM WEDNESDAY TO 1 AM
PST THURSDAY...

* WHAT...Snow expected. Total snow accumulations of up to 6
  inches. Winds gusting as high as 50 mph in exposed areas in
  Klamath County and up to 65 mph in high terrain areas of Lake 
  County.

* WHERE...Some areas east of the Cascades including Highway 97
  from northern portions of Klamath Falls north to Crescent,
  Highway 140 at Bly Mountain and Quartz Mountain Summit and
  Warner Mountain Summit.

* WHEN...From 7 AM Wednesday to 1 AM PST Thursday.

* IMPACTS...Plan on slippery road conditions. Blowing snow could 
  significantly reduce visibility. The hazardous conditions could 
  impact the morning or evening commute. Strong winds could cause 
  tree damage.

* ADDITIONAL DETAILS...The most significant, steady snowfall is
  expected generally from Modoc Point on Highway 97 northward.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or http://quickmap.dot.ca.gov for
  latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ025-151400-
/O.NEW.KMFR.WW.Y.0033.211215T1500Z-211216T1800Z/
Eastern Douglas County Foothills-
212 PM PST Tue Dec 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM WEDNESDAY TO 10 AM
PST THURSDAY...

* WHAT...Wet snow expected. Total snow accumulations of 5 to 10 
  inches. Winds gusting as high as 40 mph.

* WHERE...Eastern Douglas County Foothills generally above 2000
  feet including hills surrounding Toketee Falls.

* WHEN...From 7 AM Wednesday to 10 AM PST Thursday.

* IMPACTS...Travel could be very difficult to impossible. The
  hazardous conditions could impact the morning or evening
  commute.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

CAZ085-151400-
/O.NEW.KMFR.WW.Y.0033.211215T1800Z-211216T0600Z/
Modoc County-
Including the cities of Day and Lookout
212 PM PST Tue Dec 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM TO 10 PM PST
WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches.
  Winds gusting as high as 55 mph.

* WHERE...Portions of Modoc County including Day and Lookout.

* WHEN...From 10 AM to 10 PM PST Wednesday.

* IMPACTS...Plan on slippery road conditions. Blowing snow could 
  significantly reduce visibility. The hazardous conditions could 
  impact the evening commute. Gusty winds could bring down tree 
  branches.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See http://quickmap.dot.ca.gov for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ024-151400-
/O.NEW.KMFR.WW.Y.0033.211215T1600Z-211216T1600Z/
Eastern Curry County and Josephine County-
212 PM PST Tue Dec 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM WEDNESDAY TO 8 AM
PST THURSDAY ABOVE 1500 FEET...

* WHAT...Wet snow expected above 1500 feet. Total snow
  accumulations of 1 to 3 inches with 6 to 12 inches above 2500
  feet. Winds gusting as high as 55 mph in exposed areas.

* WHERE...Higher terrain of Eastern Curry County and Josephine
  County including Hayes Hill on Highway 199 and Sexton Pass on
  Interstate 5.

* WHEN...From 8 AM Wednesday to 8 AM PST Thursday.

* IMPACTS...Travel could be very difficult to impossible. 
  Widespread blowing snow could significantly reduce visibility. 
  The hazardous conditions could impact the morning or evening 
  commute. Very strong winds could cause extensive tree damage.

* ADDITIONAL DETAILS...Snow levels will likely fluctuate between
  1500 feet and 2000 feet through the Advisory period.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or http://quickmap.dot.ca.gov for
  latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ023-026-151400-
/O.NEW.KMFR.WW.Y.0033.211215T1600Z-211216T1600Z/
Central Douglas County-Jackson County-
Including the city of Ashland
212 PM PST Tue Dec 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM WEDNESDAY TO 8 AM
PST THURSDAY ABOVE 2000 FEET...

* WHAT...Wet snow expected above 2000 feet. Total snow
  accumulations 1 to 4 inches with 4 to 8 inches above 3000 feet.
  Winds gusting as high as 45 mph in exposed areas.

* WHERE...Central Douglas County and Jackson County including
  Canyon Mountain Pass on Interstate 5, Jacksonville Hill on
  Highway 238 and hills surrounding the Rogue Valley.

* WHEN...From 8 AM Wednesday to 8 AM PST Thursday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow levels will likely fluctuate between
  2000 and 2500 feet from Wednesday into Thursday morning.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

Visit us at https://www.weather.gov/Medford
4 follow-up statements
617 
WWUS46 KMFR 151057
WSWMFR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
257 AM PST Wed Dec 15 2021

CAZ083-152300-
/O.CON.KMFR.WS.W.0012.211215T1200Z-211216T0600Z/
/O.CON.KMFR.WW.Y.0033.211215T1200Z-211216T0600Z/
North Central and Southeast Siskiyou County-
Including the cities of Pondosa and Tennant
257 AM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...For the Winter Storm Warning, heavy snow expected. 
  Total snow accumulations of 6 to 12 inches. Winds gusting as 
  high as 60 mph. For the Winter Weather Advisory, snow 
  expected. Total snow accumulations of 3 to 6 inches. Winds 
  gusting as high as 60 mph.

* WHERE...For the Warning, high terrain areas including the 
  Shasta Medicine Lake highlands. For the Advisory, Tennant.

* WHEN...From 4 AM to 10 PM PST Wednesday.

* IMPACTS...Travel could be very difficult. Blowing snow could 
  significantly reduce visibility. The hazardous conditions 
  could impact the morning or evening commute. Strong winds 
  could cause tree damage.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

&&

$$

CAZ080-152300-
/O.CON.KMFR.WS.W.0012.211215T1200Z-211216T0600Z/
/O.CON.KMFR.WW.Y.0033.211215T1200Z-211216T0600Z/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
and Somes Bar
257 AM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...For the Winter Storm Warning, heavy snow expected. 
  Total snow accumulations of 5 to 10 inches. Winds gusting as 
  high as 55 mph in exposed areas. For the Winter Weather 
  Advisory, snow expected. Total snow accumulations of 2 to 5 
  inches. Winds gusting as high as 45 mph in exposed areas.

* WHERE...For the Warning, Greenview, Forest Mountain Summit on 
  Highway 3, Etna Summit on Sawyers Bar Road. For the Advisory, 
  Fort Jones, Etna.

* WHEN...From 4 AM to 10 PM PST Wednesday.

* IMPACTS...Travel could be very difficult to impossible. 
  Blowing snow could significantly reduce visibility. The 
  hazardous conditions could impact the morning or evening 
  commute. Gusty winds could bring down tree branches.

* ADDITIONAL DETAILS...Snow levels will dip occasionally to near 
  the Klamath River Valley.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

&&

$$

CAZ081-152300-
/O.CON.KMFR.WS.W.0012.211215T1200Z-211216T0600Z/
/O.CON.KMFR.WW.Y.0033.211215T1200Z-211216T0600Z/
Central Siskiyou County-
Including the cities of Weed and Yreka
257 AM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...For the Winter Storm Warning, heavy snow expected. 
  Total snow accumulations of 4 to 8 inches. Winds gusting as 
  high as 60 mph. For the Winter Weather Advisory, snow 
  expected. Total snow accumulations of 1 to 4 inches. Winds 
  gusting as high as 45 mph.

* WHERE...For the Warning, southern Shasta Valley south of 
  Gazelle, including Interstate 5 near Weed. For the Advisory, 
  Yreka, Grenada including portions of Interstate 5.

* WHEN...From 4 AM to 10 PM PST Wednesday.

* IMPACTS...Travel could be very difficult. Blowing snow could 
  significantly reduce visibility. The hazardous conditions 
  could impact the morning or evening commute. Strong winds 
  could cause tree damage.

* ADDITIONAL DETAILS...Windy conditions will likely combine with 
  snow near Weed to produce very low visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

&&

$$

CAZ082-152300-
/O.CON.KMFR.WS.W.0012.211215T1200Z-211216T0600Z/
South Central Siskiyou County-
Including the cities of Dunsmuir, McCloud, and Mount Shasta
257 AM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 20
  inches. Winds gusting up to 50 mph over exposed higher terrain
  and for areas north of Mount Shasta City. 

* WHERE...South Central Siskiyou County including portions of 
  Interstate 5 south of Weed and portions of Highway 89 at 
  Snowmans and Dead Horse Summit. This also includes the 
  communities of Mount Shasta City, Dunsmuir, McCloud as well as 
  rural areas east of Mount Shasta City and south of Tennant.

* WHEN...From 4 AM to 10 PM PST Wednesday.

* IMPACTS...Travel could be very difficult to impossible. Areas 
  of blowing snow could significantly reduce visibility. The 
  hazardous conditions could impact the morning or evening 
  commute. Gusty winds could bring down tree branches.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

&&

$$

ORZ027-028-152300-
/O.CON.KMFR.WW.Y.0033.211215T1500Z-211216T1800Z/
South Central Oregon Cascades-
Siskiyou Mountains and Southern Oregon Cascades-
Including the cities of Crater Lake, Crescent Lake, Diamond Lake,
Union Creek, Howard Prairie, and Siskiyou Summit
257 AM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM THIS
MORNING TO 10 AM PST THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 6 to 12 
  inches. Winds gusting as high as 60 mph.

* WHERE...Southern Oregon Cascades and Siskiyous including 
  Interstate 5 at Siskiyou Summit, Highway 62 near Union Creek 
  and Diamond Lake, Highway 138 near Diamond Lake, Highway 140 
  near Lake of the Woods, and Highway 66.

* WHEN...From 7 AM Wednesday to 10 AM PST Thursday.

* IMPACTS...Travel could be very difficult. Blowing snow could 
  significantly reduce visibility. Strong winds could cause tree 
  damage.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or https://quickmap.dot.ca.gov 
  for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ029>031-152300-
/O.CON.KMFR.WW.Y.0033.211215T1500Z-211216T0900Z/
Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Klamath Falls, Chemult, Crescent, 
and Valley Falls
257 AM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM THIS
MORNING TO 1 AM PST THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 8 
  inches. Winds gusting as high as 50 mph in exposed areas in 
  Klamath County and up to 65 mph in high terrain areas of Lake 
  County.

* WHERE...Some areas east of the Cascades including Highway 97
  from northern portions of Klamath Falls north of Klamath Falls
  to Crescent, Highway 140 west of Klamath Falls and portions of
  Highway 140 near Bly Mountain, Quartz Mountain Summit and 
  Warner Mountain Summit.

* WHEN...From 7 AM Wednesday to 1 AM PST Thursday.

* IMPACTS...Plan on slippery road conditions. Blowing snow could 
  significantly reduce visibility. The hazardous conditions 
  could impact the morning or evening commute. Strong winds 
  could cause tree damage.

* ADDITIONAL DETAILS...The most significant, steady snowfall is 
  expected generally from Modoc Point on Highway 97 northward.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or http://quickmap.dot.ca.gov 
  for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ025-152300-
/O.CON.KMFR.WW.Y.0033.211215T1500Z-211216T1800Z/
Eastern Douglas County Foothills-
257 AM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM THIS
MORNING TO 10 AM PST THURSDAY...

* WHAT...Wet snow expected. Total snow accumulations of 5 to 10 
  inches. Winds gusting as high as 40 mph.

* WHERE...Eastern Douglas County Foothills generally above 2000
  feet including hills surrounding Toketee Falls and Steamboat.

* WHEN...From 7 AM Wednesday to 10 AM PST Thursday.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning or evening 
  commute.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

CAZ085-152300-
/O.CON.KMFR.WW.Y.0033.211215T1800Z-211216T0600Z/
Modoc County-
Including the cities of Day and Lookout
257 AM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 10 PM PST THIS EVENING...

* WHAT...Snow expected. Total snow accumulations of 2 to 5 
  inches. Winds gusting as high as 55 mph.

* WHERE...Portions of Modoc County including Day and Lookout in
  southwest Modoc County and portions of the Warner Mountains in
  eastern Modoc County.

* WHEN...From 10 AM to 10 PM PST Wednesday.

* IMPACTS...Plan on slippery road conditions. Blowing snow could 
  significantly reduce visibility. The hazardous conditions 
  could impact the evening commute. Gusty winds could bring down 
  tree branches.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See http://quickmap.dot.ca.gov for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ024-152300-
/O.CON.KMFR.WW.Y.0033.211215T1600Z-211216T1600Z/
Eastern Curry County and Josephine County-
257 AM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM THIS
MORNING TO 8 AM PST THURSDAY ABOVE 1500 FEET...

* WHAT...Wet snow expected above 1500 feet. Total snow
  accumulations of 1 to 4 inches for lower elevation areas 
  between 1500 and 2500 feet and 5 to 12 inches above 2500 feet. 
  Winds gusting as high as 55 mph in exposed areas.

* WHERE...Higher terrain of Eastern Curry County and Josephine
  County including Hayes Hill on Highway 199 and Sexton Pass on
  Interstate 5. This also includes the hills around the Illinois,
  Applegate and lower Rogue Valleys as well as areas near O'Brien.

* WHEN...From 8 AM Wednesday to 8 AM PST Thursday.

* IMPACTS...Travel could be very difficult to impossible. 
  Widespread blowing snow could significantly reduce visibility. 
  The hazardous conditions could impact the morning or evening 
  commute. Very strong winds could cause extensive tree damage.

* ADDITIONAL DETAILS...Snow levels will likely fluctuate between 
  1500 feet and 2000 feet through the Advisory period.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or http://quickmap.dot.ca.gov 
  for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ023-026-152300-
/O.CON.KMFR.WW.Y.0033.211215T1600Z-211216T1600Z/
Central Douglas County-Jackson County-
Including the city of Ashland
257 AM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM THIS
MORNING TO 8 AM PST THURSDAY ABOVE 2000 FEET...

* WHAT...Wet snow expected above 2000 feet. Total snow 
  accumulations 1 to 4 inches with 4 to 8 inches above 3000 
  feet. Winds gusting as high as 45 mph in exposed areas.

* WHERE...Portions of Central and Southern Douglas County and
  Jackson County including Canyon Mountain Pass on Interstate 5,
  Jacksonville Hill on Highway 238, Ashland, Butte Falls, Prospect 
  and hills surrounding the Rogue Valley and Applegate Valley.

* WHEN...From 8 AM Wednesday to 8 AM PST Thursday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow levels will likely fluctuate between 
  2000 and 2500 feet from Wednesday into Thursday morning.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

Visit us at https://www.weather.gov/Medford
060 
WWUS46 KMFR 152125
WSWMFR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
125 PM PST Wed Dec 15 2021

ORZ028-161400-
/O.UPG.KMFR.WW.Y.0033.000000T0000Z-211216T1800Z/
/O.EXA.KMFR.WS.W.0012.000000T0000Z-211216T0600Z/
Siskiyou Mountains and Southern Oregon Cascades-
Including the cities of Howard Prairie and Siskiyou Summit
125 PM PST Wed Dec 15 2021

...WINTER STORM WARNING IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WHAT...Heavy snow. Additional snow accumulations of 4 to 8
  inches. Winds gusting as high as 35 mph in exposed areas.

* WHERE...Siskiyou Mountains and Southern Oregon Cascades
  including Siskiyou Summit on I-5 and Highway 140 at Lake of the
  Woods.

* WHEN...Until 10 PM PST this evening.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. Strong winds could 
  cause tree damage.

* ADDITIONAL DETAILS...The heaviest, steadiest snow should begin
  to diminish between 4pm and 6pm but additional snow showers can
  be expected through the night and into Thursday morning.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is
  occurring and poses a threat to life and property. Take 
  protective action now.

&&

$$

CAZ083-160600-
/O.CON.KMFR.WS.W.0012.000000T0000Z-211216T0600Z/
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T0600Z/
North Central and Southeast Siskiyou County-
Including the cities of Pondosa and Tennant
125 PM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...For the Winter Storm Warning, heavy snow. Additional snow
  accumulations of 5 to 10 inches. Winds gusting as high as 45 mph
  in exposed high terrain areas. For the Winter Weather Advisory,
  snow. Additional snow accumulations of 2 to 4 inches. Winds
  gusting as high as 45 in exposed, high terrain areas.

* WHERE...For the Warning, high terrain areas including the 
  Shasta Medicine Lake highlands. For the Advisory, Tennant.

* WHEN...Until 10 PM PST this evening.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. The hazardous 
  conditions could impact the evening commute. Very strong winds 
  could cause extensive tree damage.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

&&

$$

CAZ080-160600-
/O.CON.KMFR.WS.W.0012.000000T0000Z-211216T0600Z/
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T0600Z/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
and Somes Bar
125 PM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...For the Winter Storm Warning, heavy snow. Additional snow
  accumulations of 4 to 8 inches inches. Winds gusting as high as
  45 mph in exposed mountainous areas. For the Winter Weather
  Advisory, snow. Additional snow accumulations of 2 to 4 inches.
  Winds gusting as high as 45 mph in exposed mountainous areas.

* WHERE...For the Warning, Greenview, Forest Mountain Summit on 
  Highway 3, Etna Summit on Sawyers Bar Road. For the Advisory, 
  Fort Jones, Etna.

* WHEN...Until 10 PM PST this evening.

* IMPACTS...Travel could be very difficult to impossible. Patchy 
  blowing snow could significantly reduce visibility. The 
  hazardous conditions could impact the evening commute. Strong 
  winds could cause tree damage.

* ADDITIONAL DETAILS...Snow levels will dip occasionally to near 
  the Klamath River Valley.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

&&

$$

CAZ081-160600-
/O.CON.KMFR.WS.W.0012.000000T0000Z-211216T0600Z/
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T0600Z/
Central Siskiyou County-
Including the cities of Weed and Yreka
125 PM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...For the Winter Storm Warning, heavy snow. Additional snow
  accumulations of 3 to 6 inches. Winds gusting as high as 45 mph
  in exposed areas. For the Winter Weather Advisory, snow.
  Additional snow accumulations of 1 to 2 inches. Winds gusting as
  high as 45 mph in exposed areas.

* WHERE...For the Warning, southern Shasta Valley south of 
  Gazelle, including Interstate 5 near Weed. For the Advisory, 
  Yreka, Grenada including portions of Interstate 5.

* WHEN...Until 10 PM PST this evening.

* IMPACTS...Plan on slippery road conditions. Blowing snow could 
  significantly reduce visibility. The hazardous conditions could 
  impact the evening commute. Very strong winds could cause 
  extensive tree damage.

* ADDITIONAL DETAILS...Windy conditions will likely combine with 
  snow near Weed to produce very low visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

&&

$$

CAZ082-160600-
/O.CON.KMFR.WS.W.0012.000000T0000Z-211216T0600Z/
South Central Siskiyou County-
Including the cities of Dunsmuir, McCloud, and Mount Shasta
125 PM PST Wed Dec 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...Heavy snow. Additional snow accumulations of 6 to 12 
  inches. Winds gusting as high as 45 mph in exposed areas.

* WHERE...South Central Siskiyou County including portions of 
  Interstate 5 south of Weed and portions of Highway 89 at 
  Snowmans and Dead Horse Summit. This also includes the 
  communities of Mount Shasta City, Dunsmuir, McCloud as well as 
  rural areas east of Mount Shasta City and south of Tennant.

* WHEN...Until 10 PM PST this evening.

* IMPACTS...Travel could be very difficult to impossible. Areas 
  of blowing snow could significantly reduce visibility. The 
  hazardous conditions could impact the evening commute. Gusty 
  winds could bring down tree branches.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

&&

$$

ORZ027-161400-
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T1800Z/
South Central Oregon Cascades-
Including the cities of Crater Lake, Crescent Lake, Diamond Lake,
and Union Creek
125 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY...

* WHAT...Snow. Additional snow accumulations of 5 to 10 inches.
  Winds gusting as high as 45 mph in exposed areas.

* WHERE...Southern Oregon Cascades and Siskiyous including Highway
  62 near Union Creek and Diamond Lake and Highway 138 near 
  Diamond Lake.

* WHEN...Until 10 AM PST Thursday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. Strong winds could 
  cause tree damage.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or https://quickmap.dot.ca.gov 
  for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ029>031-160900-
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T0900Z/
Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Altamont, Klamath Falls, Beatty, Bly, 
Chemult, Crescent, Gilchrist, Sprague River, Lakeview, 
and Valley Falls
125 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM PST
THURSDAY...

* WHAT...Snow. Additional snow accumulations of up to 5 inches.
  Winds gusting as high as 45 mph.

* WHERE...Some areas east of the Cascades including Highway 97
  from Klamath Falls north of Klamath Falls to Crescent, Highway 
  140 west of Klamath Falls and portions of Highway 140 near Bly 
  Mountain, Quartz Mountain Summit and Warner Mountain Summit.

* WHEN...Until 1 AM PST Thursday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The hazardous 
  conditions could impact the evening commute. Strong winds 
  could cause tree damage.

* ADDITIONAL DETAILS...The most significant, steady snowfall is 
  expected generally from Modoc Point on Highway 97 northward.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or http://quickmap.dot.ca.gov 
  for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ025-161400-
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T1800Z/
Eastern Douglas County Foothills-
125 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY...

* WHAT...Snow. Additional snow accumulations of up to 6 inches. 
  Winds gusting as high as 35 mph.

* WHERE...Eastern Douglas County Foothills generally above 2000 
  feet including hills surrounding Toketee Falls and Steamboat.

* WHEN...Until 10 AM PST Thursday.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning or evening 
  commute.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

CAZ085-160600-
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T0600Z/
Modoc County-
Including the cities of Day and Lookout
125 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.
  Winds gusting as high as 45 mph in exposed areas.

* WHERE...Portions of Modoc County including Day and Lookout in 
  southwest Modoc County and portions of the Warner Mountains in 
  eastern Modoc County.

* WHEN...Until 10 PM PST this evening.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The hazardous 
  conditions could impact the evening commute. Gusty winds could 
  bring down tree branches.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See http://quickmap.dot.ca.gov for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ024-161400-
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T1600Z/
Eastern Curry County and Josephine County-
125 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST
THURSDAY ABOVE 1500 FEET...

* WHAT...Snow above 1500 feet. Additional snow accumulations of up
  2 to 4 inches with 4 to 8 inches above 3000 feet. Winds gusting
  as high as 35 mph in exposed areas.

* WHERE...Higher terrain of Eastern Curry County and Josephine 
  County including Hayes Hill on Highway 199 and Sexton Pass on 
  Interstate 5. This also includes the hills around the 
  Illinois, Applegate and lower Rogue Valleys as well as areas 
  near O'Brien.

* WHEN...Until 8 AM PST Thursday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. The hazardous conditions 
  could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow levels will likely fluctuate between 
  1500 feet and 2000 feet through the Advisory period.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or http://quickmap.dot.ca.gov 
  for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ023-026-161400-
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T1600Z/
Central Douglas County-Jackson County-
Including the city of Ashland
125 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST
THURSDAY ABOVE 2000 FEET...

* WHAT...Snow above 2000 feet. Additional snow accumulations of 1
  to 3 inches with 3 to 6 inches above 3000 feet. Winds gusting 
  as high as 45 mph in exposed areas.

* WHERE...Portions of Central and Southern Douglas County and 
  Jackson County including Canyon Mountain Pass on Interstate 5, 
  Jacksonville Hill on Highway 238, Ashland, Butte Falls, 
  Prospect and hills surrounding the Rogue Valley and Applegate 
  Valley.

* WHEN...Until 8 AM PST Thursday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow is possible below 2000 feet in any
  heavier showers that move through. 

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

Visit us at https://www.weather.gov/Medford
901 
WWUS46 KMFR 160603
WSWMFR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
1003 PM PST Wed Dec 15 2021

ORZ028-160715-
/O.EXP.KMFR.WS.W.0012.000000T0000Z-211216T0600Z/
Siskiyou Mountains and Southern Oregon Cascades-
Including the cities of Howard Prairie and Siskiyou Summit
1003 PM PST Wed Dec 15 2021

...WINTER STORM WARNING WILL EXPIRE AT 10 PM PST THIS EVENING...

Snow showers will continue to diminish overnight with 2 to 7
inches addition snow by late Thursday morning.

$$

CAZ085-160715-
/O.EXP.KMFR.WW.Y.0033.000000T0000Z-211216T0600Z/
Modoc County-
Including the cities of Day and Lookout
1003 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 PM PST THIS
EVENING...

Snow showers will continue to diminish overnight with 1 to 3
inches addition snow by late Thursday morning.

$$

CAZ083-161200-
/O.EXT.KMFR.WS.W.0012.000000T0000Z-211216T1200Z/
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-211216T1200Z/
North Central and Southeast Siskiyou County-
Including the cities of Pondosa and Tennant
1003 PM PST Wed Dec 15 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 AM PST THURSDAY...
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 AM PST
THURSDAY...

* WHAT...For the Winter Storm Warning, heavy snow. Additional snow
  accumulations of 2 to 6 inches. For the Winter Weather Advisory,
  snow. Additional snow accumulations of 1 to 3 inches. 

* WHERE...For the Warning, high terrain areas including the 
  Shasta Medicine Lake highlands. For the Advisory, Tennant.

* WHEN...Until 4 AM PST Thursday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. The hazardous 
  conditions could impact the evening commute. Very strong winds 
  could cause extensive tree damage.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

* See https://www.tripcheck.com or http://quickmap.dot.ca.gov 
  for latest road conditions.

&&

$$

CAZ080-161200-
/O.EXT.KMFR.WS.W.0012.000000T0000Z-211216T1200Z/
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-211216T1200Z/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
and Somes Bar
1003 PM PST Wed Dec 15 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 AM PST THURSDAY
ABOVE 2000 FT... 
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4
AM PST THURSDAY ABOVE 2000 FT...

* WHAT...For the Winter Storm Warning, heavy snow. Additional snow
  accumulations of 2 to 6 inches inches. For the Winter Weather
  Advisory, snow. Additional snow accumulations of 1 to 3 inches.
  Winds gusting as high as 45 mph in exposed mountainous areas.

* WHERE...For the Warning, Greenview, Forest Mountain Summit on 
  Highway 3, Etna Summit on Sawyers Bar Road. For the Advisory, 
  Fort Jones, Etna.

* WHEN...Until 4 AM PST Thursday.

* IMPACTS...Travel could be very difficult to impossible. Patchy 
  blowing snow could significantly reduce visibility. The 
  hazardous conditions could impact the evening commute. Strong 
  winds could cause tree damage.

* ADDITIONAL DETAILS...Snow levels will dip occasionally to near 
  the Klamath River Valley.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

* See http://quickmap.dot.ca.gov for latest road conditions.

&&

$$

CAZ081-161200-
/O.EXT.KMFR.WS.W.0012.000000T0000Z-211216T1200Z/
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-211216T1200Z/
Central Siskiyou County-
Including the cities of Weed and Yreka
1003 PM PST Wed Dec 15 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 AM PST THURSDAY...
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 AM PST
THURSDAY...

* WHAT...For the Winter Storm Warning, heavy snow. Additional snow
  accumulations of 2 to 6 inches. For the Winter Weather 
  Advisory, snow. Additional snow accumulations of 1 to 2 inches. 
 
* WHERE...For the Warning, southern Shasta Valley south of 
  Gazelle, including Interstate 5 near Weed. For the Advisory, 
  Yreka, Grenada including portions of Interstate 5.

* WHEN...Until 4 AM PST Thursday.

* IMPACTS...Plan on slippery road conditions. Blowing snow could 
  significantly reduce visibility. The hazardous conditions 
  could impact the evening commute. Very strong winds could 
  cause extensive tree damage.

* ADDITIONAL DETAILS...Windy conditions will likely combine with 
  snow near Weed to produce very low visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

* See http://quickmap.dot.ca.gov for latest road conditions.

&&

$$

CAZ082-161200-
/O.EXT.KMFR.WS.W.0012.000000T0000Z-211216T1200Z/
South Central Siskiyou County-
Including the cities of Dunsmuir, McCloud, and Mount Shasta
1003 PM PST Wed Dec 15 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 AM PST THURSDAY...

* WHAT...Heavy snow. Additional snow accumulations of 2 to 6
  inches. 

* WHERE...South Central Siskiyou County including portions of 
  Interstate 5 south of Weed and portions of Highway 89 at 
  Snowmans and Dead Horse Summit. This also includes the 
  communities of Mount Shasta City, Dunsmuir, McCloud as well as 
  rural areas east of Mount Shasta City and south of Tennant.

* WHEN...Until 4 AM PST Thursday.

* IMPACTS...Travel could be very difficult to impossible. Areas 
  of blowing snow could significantly reduce visibility. The 
  hazardous conditions could impact the evening commute. Gusty 
  winds could bring down tree branches.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Travel is strongly discouraged because of dangerous conditions.

* If you must travel, keep tire chains, a flashlight, blankets, 
  food, water, medications, and a fully charged phone with you.

* The safest place during a winter storm is indoors.

* A Winter Storm Warning means that severe winter weather is 
  likely and poses a threat to life and property. Take 
  protective action now.

* See http://quickmap.dot.ca.gov for latest road conditions.

&&

$$

ORZ027-161415-
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T1800Z/
South Central Oregon Cascades-
Including the cities of Crater Lake, Crescent Lake, Diamond Lake,
and Union Creek
1003 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY...

* WHAT...Snow. Additional snow accumulations of 5 to 10 inches. 
  Winds gusting as high as 45 mph in exposed areas.

* WHERE...Southern Oregon Cascades and Siskiyous including 
  Highway 62 near Union Creek and Diamond Lake and Highway 138 
  near Diamond Lake.

* WHEN...Until 10 AM PST Thursday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. Strong winds could 
  cause tree damage.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or https://quickmap.dot.ca.gov 
  for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

* See https://www.tripcheck.com for latest road conditions.

&&

$$

ORZ029>031-160900-
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T0900Z/
Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Altamont, Klamath Falls, Beatty, Bly, 
Chemult, Crescent, Gilchrist, Sprague River, Lakeview, 
and Valley Falls
1003 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM PST
THURSDAY...

* WHAT...Snow. Additional snow accumulations of up to 5 inches. 
 
* WHERE...Some areas east of the Cascades including Highway 97 
  from Klamath Falls north of Klamath Falls to Crescent, Highway 
  140 west of Klamath Falls and portions of Highway 140 near Bly 
  Mountain, Quartz Mountain Summit and Warner Mountain Summit.

* WHEN...Until 1 AM PST Thursday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. The hazardous 
  conditions could impact the evening commute. Strong winds 
  could cause tree damage.

* ADDITIONAL DETAILS...The most significant, steady snowfall is 
  expected generally from Modoc Point on Highway 97 northward.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or http://quickmap.dot.ca.gov 
  for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

* See https://www.tripcheck.com for latest road conditions.

&&

$$

ORZ025-161415-
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T1800Z/
Eastern Douglas County Foothills-
1003 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY ABOVE 2000 FT...

* WHAT...Snow. Additional snow accumulations of up to 6 inches. 
 
* WHERE...Eastern Douglas County Foothills generally above 2000 
  feet including hills surrounding Toketee Falls and Steamboat.

* WHEN...Until 10 AM PST Thursday.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning or evening 
  commute.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ024-161415-
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T1600Z/
Eastern Curry County and Josephine County-
1003 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST
THURSDAY ABOVE 1500 FEET...

* WHAT...Snow above 1500 feet. Additional snow accumulations of up
  1 to 3 inches with 2 to 5 inches above 3000 feet. 

* WHERE...Higher terrain of Eastern Curry County and Josephine 
  County including Hayes Hill on Highway 199 and Sexton Pass on 
  Interstate 5. This also includes the hills around the 
  Illinois, Applegate and lower Rogue Valleys as well as areas 
  near O'Brien.

* WHEN...Until 8 AM PST Thursday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow levels will likely fluctuate between 
  1500 feet and 2000 feet through the Advisory period.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ023-026-161415-
/O.CON.KMFR.WW.Y.0033.000000T0000Z-211216T1600Z/
Central Douglas County-Jackson County-
Including the city of Ashland
1003 PM PST Wed Dec 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST
THURSDAY ABOVE 2000 FEET...

* WHAT...Snow above 2000 feet. Additional snow accumulations of up
  to 2 inches with 2 to 4 inches above 3000 feet. 

* WHERE...Portions of Central and Southern Douglas County and 
  Jackson County including Canyon Mountain Pass on Interstate 5, 
  Jacksonville Hill on Highway 238, Ashland, Butte Falls, 
  Prospect and hills surrounding the Rogue Valley and Applegate 
  Valley.

* WHEN...Until 8 AM PST Thursday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow is possible below 2000 feet in any 
  heavier showers that move through.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

Visit us at https://www.weather.gov/Medford
187 
WWUS46 KMFR 161016
WSWMFR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
216 AM PST Thu Dec 16 2021

CAZ081-161700-
/O.CAN.KMFR.WS.W.0012.000000T0000Z-211216T1200Z/
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-211216T1700Z/
Central Siskiyou County-
Including the cities of Hilt, Weed, and Yreka
216 AM PST Thu Dec 16 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM PST THIS
MORNING...
...WINTER STORM WARNING IS CANCELLED...

* WHAT..For the Winter Weather Advisory, snow. Additional snow 
  accumulations of 1 to 3 inches.

* WHERE...Central Siskiyou County, including the Shasta Valley,
  portions of Interstate 5 from Hilt to Weed, as well as the 
  communities of Yreka, Grenada, Gazelle, and Montague.

* WHEN...Until 9 AM PST this morning.

* IMPACTS...Plan on slippery road conditions. 

* ADDITIONAL DETAILS...Windy conditions will likely combine with 
  snow near Weed to produce very low visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See http://quickmap.dot.ca.gov for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

CAZ082-161700-
/O.CAN.KMFR.WS.W.0012.000000T0000Z-211216T1200Z/
/O.EXB.KMFR.WW.Y.0033.000000T0000Z-211216T1700Z/
South Central Siskiyou County-
Including the cities of Dunsmuir, McCloud, and Mount Shasta
216 AM PST Thu Dec 16 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM PST THIS
MORNING...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches.

* WHERE...South Central Siskiyou County. This includes portions of
  Interstate 5 south of Weed to near Dunsmuir and Highway 89 in
  southeast Siskiyou County. This also includes the communities 
  of Mount Shasta City and McCloud.

* WHEN...Until 9 AM PST this morning.

* IMPACTS...Travel could be very difficult. The hazardous
  conditions could impact the morning commute.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See http://quickmap.dot.ca.gov for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

CAZ083-161700-
/O.CAN.KMFR.WS.W.0012.000000T0000Z-211216T1200Z/
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-211216T1700Z/
North Central and Southeast Siskiyou County-
Including the city of Tennant
216 AM PST Thu Dec 16 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM PST THIS
MORNING...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...For the Winter Weather Advisory, snow. Additional snow
  accumulations of 1 to 3 inches. Winds gusting to 30 mph over
  exposed mountain areas. 

* WHERE...North Central and Southeast Siskiyou County. This
  includes the Shasta Medicine Lake highlands and the community of
  Tennant.

* WHEN...Until 9 AM PST this morning.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. 

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See http://quickmap.dot.ca.gov for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

CAZ080-161700-
/O.CAN.KMFR.WS.W.0012.000000T0000Z-211216T1200Z/
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-211216T1700Z/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
Scott Bar, and Somes Bar
216 AM PST Thu Dec 16 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM PST THIS
MORNING ABOVE 2000 FEET...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...For the Winter Weather Advisory, snow. Additional snow
  accumulations of 1 to 3 inches. Winds gusting as high as 30 mph
  in exposed mountainous areas.

* WHERE...Western Siskiyou County. This includes Greenview, Forest
  Mountain Summit on Highway 3, Etna Summit on Sawyers Bar Road
  and the communities of Fort Jones, Greenview Callahan and Etna.

* WHEN...Until 9 AM PST this morning.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. 

* ADDITIONAL DETAILS...Snow levels may occasionally dip to the 
  lower Klamath River Valley.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See http://quickmap.dot.ca.gov for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ027-161700-
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-211216T1700Z/
South Central Oregon Cascades-
Including the cities of Crater Lake, Crescent Lake, Diamond Lake,
and Union Creek
216 AM PST Thu Dec 16 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM PST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of 3 to 6 inches.
  Winds gusting as high as 30 mph in exposed areas.

* WHERE...Southern Oregon Cascades and Siskiyous including 
  Highway 62 near Union Creek and Diamond Lake and Highway 138 
  near Diamond Lake.

* WHEN...Until 9 AM PST this morning.

* IMPACTS...Travel could be very difficult. Patchy blowing snow
  could significantly reduce visibility. 

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com or https://quickmap.dot.ca.gov 
  for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

* See https://www.tripcheck.com for latest road conditions.

&&

$$

ORZ025-161700-
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-211216T1700Z/
Eastern Douglas County Foothills-
216 AM PST Thu Dec 16 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM PST THIS
MORNING...

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches.

* WHERE...Eastern Douglas County Foothills generally above 2000 
  feet including hills surrounding Toketee Falls and Steamboat.

* WHEN...Until 9 AM PST this morning.

* IMPACTS...Plan on slippery road conditions. 

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ024-161700-
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-211216T1700Z/
Eastern Curry County and Josephine County-
216 AM PST Thu Dec 16 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM PST THIS
MORNING ABOVE 1500 FEET...

* WHAT...Snow above 1500 feet. Additional snow accumulations of 
  up 1 to 2 inches with 2 to 4 inches above 3000 feet.

* WHERE...Higher terrain of Eastern Curry County and Josephine 
  County including Hayes Hill on Highway 199 and Sexton Pass on 
  Interstate 5. This also includes the hills around the 
  Illinois, Applegate and lower Rogue Valleys as well as areas 
  near O'Brien.

* WHEN...Until 9 AM PST this morning.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow levels will likely fluctuate between 
  1500 feet and 2000 feet through the Advisory period.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

ORZ023-026-161700-
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-211216T1700Z/
Central Douglas County-Jackson County-
Including the city of Ashland
216 AM PST Thu Dec 16 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM PST THIS
MORNING ABOVE 2000 FEET...

* WHAT...Snow above 2000 feet. Additional snow accumulations of 
  up to 2 inches with 2 to 3 inches above 3000 feet.

* WHERE...Portions of Central and Southern Douglas County and 
  Jackson County including Canyon Mountain Pass on Interstate 5, 
  Jacksonville Hill on Highway 238, Ashland, Butte Falls, 
  Prospect and hills surrounding the Rogue Valley and Applegate 
  Valley.

* WHEN...Until 9 AM PST this morning.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute.

* ADDITIONAL DETAILS...Snow is possible below 2000 feet in any 
  heavier showers that move through.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/map/?wfo=mfr

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Slow down and allow extra time to reach your destination.

* Carry tire chains and be prepared for snow covered roads and 
  limited visibilities.

* See https://www.tripcheck.com for latest road conditions.

* A Winter Weather Advisory for snow means that periods of snow 
  will cause travel difficulties.

&&

$$

Visit us at https://www.weather.gov/Medford

The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 14, 2:42 AM PSTWinter Storm WatchMFRSiskiyou12 hr
Dec 14, 2:12 PM PSTWinter Weather AdvisoryMFRModoc, Siskiyou43 hr
Dec 14, 2:16 PM PSTHigh Wind WarningMFRModoc, Siskiyou29 hr
Dec 14, 2:16 PM PSTWind AdvisoryMFRModoc, Siskiyou29 hr
Dec 13, 9:13 PM PSTStorm WatchMFR18 hr
Dec 14, 3:27 PM PSTHazardous Seas WarningMFR37 hr
Dec 14, 3:27 PM PSTStorm WarningMFR22 hr

Nearby

Winter Storm Warnings in Oregon, 2021Winter Storm Warnings in California, 2021Every winter storm warning in 2021

Sources

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