Alert archive / Oregon / Winter Storm Warnings in 2021

Winter Storm Warning 13, NWS Medford, OR

December 21, 2021Siskiyou County, California; 4 counties in Oregon

NWS Medford, OR issued this winter storm warning at Dec 21, 2021, 4:11 AM PST for Siskiyou County, California; 4 counties in Oregon. It took effect at Dec 22, 2021, 4:00 PM PST. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 21, 2021, 4:11 AM PST (12:11 UTC)
In effect from
Dec 22, 2021, 4:00 PM PST
Expired
Dec 23, 2021, 7:00 AM PST
In force
15 hr
Issued by
NWS Medford, OR

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

The radar

The Medford radar (KMAX), 44 km from the middle of the area, began a volume at 12:15 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.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 0.2 hours before the alert went out and 13 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 2021-12-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-12-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2483 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
179 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

906 
WWUS46 KMFR 211211
WSWMFR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
411 AM PST Tue Dec 21 2021

CAZ081-211315-
/O.CAN.KMFR.WS.A.0010.211222T1200Z-211224T0000Z/
Central Siskiyou County-
411 AM PST Tue Dec 21 2021

...WINTER STORM WATCH IS CANCELLED...

Warning level snow amounts are not expected in this area. 2 to as
much as 6 inches of snowfall is possible above 4500 foot
elevations late Wednesday into Thursday morning.

$$

CAZ080-220600-
/O.UPG.KMFR.WS.A.0010.211222T1200Z-211224T0000Z/
/O.NEW.KMFR.WS.W.0013.211223T0000Z-211223T1800Z/
Western Siskiyou County-
411 AM PST Tue Dec 21 2021

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

* WHAT...Heavy snow expected. Total snow accumulations of 7 to 15
  inches expected. Wind gusts from the southwest at 30 to 40 mph
  are possible, at times, leading to blowing and drifting snow in
  exposed areas.

* WHERE...The mountains above 4500 feet in Western Siskiyou
  County. Some lighter snow accumulations will be possible down to
  4000 foot elevations on Thursday morning.

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

* IMPACTS...Travel could be very difficult to impossible. Be sure
  to be prepared for significant snow and decreased visibilities
  if traveling near or above this elevation during the above
  mentioned time period.

* ADDITIONAL DETAILS...Additional snowfall with lower snow levels
  is likely between the 24th and the 30th of December. Be sure to
  check for additional details as that time frame nears because 
  travel is likely to be significantly affected by winter weather,
  at times, during that time period.

* 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.

&&

$$

CAZ082-083-220600-
/O.UPG.KMFR.WS.A.0010.211222T1200Z-211224T0000Z/
/O.NEW.KMFR.WW.Y.0034.211223T0000Z-211223T1800Z/
South Central Siskiyou County-
North Central and Southeast Siskiyou County-
411 AM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM WEDNESDAY TO 10 AM
PST THURSDAY ABOVE 4000 FEET...

* WHAT...Snow expected above 4000 feet. Total snow accumulations 6
  to 12 inches. Wind gusts from the southwest at 25 to 45 mph are
  possible, at times, leading to blowing and drifting snow, mainly  
  in exposed areas.

* WHERE...Portions of Highway 89 at Snowmans Summit and higher
  portions of Highway 89 east of McCloud and west of Pondosa.
  Roadways above 4500 feet will also be affected including the
  Mount Shasta Ski Park Road and the Everitt Memorial Highway.
  This includes mountain areas above 45000 feet in South Central 
  Siskiyou County and North Central and Southeast Siskiyou County 
  including Mount Shasta, Mount Eddy, Castle Lake, Ash Creek 
  Butte, and the Mount Shasta Ski Park.

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

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

* ADDITIONAL DETAILS...Additional snowfall with lower snow levels
  is likely between the 24th and the 30th of December. Be sure to
  check for additional details as that time frame nears because 
  travel is likely to be significantly affected by winter weather,
  at times, during that time 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 http://quickmap.dot.ca.gov for latest road conditions.

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

&&

$$

ORZ027-028-220600-
/O.NEW.KMFR.WW.Y.0034.211223T0000Z-211223T1800Z/
South Central Oregon Cascades-
Siskiyou Mountains and Southern Oregon Cascades-
Including the cities of Crater Lake and Diamond Lake
411 AM PST Tue Dec 21 2021

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

* WHAT...Snow expected. Total new snow accumulations of 7 to 14
  inches. Wind gusts from the southwest at 25 to 45 mph are
  possible, at times, leading to blowing and drifting snow, mainly  
  in exposed areas.

* WHERE...Portions of Highway 58 near Willamette Pass, portions of
  Highways 138, 62, and 230 in the Diamond and Crater Lake areas,
  portions of Highway 140 near Lake of the Woods, and the Mount
  Ashland Ski Road in the South Central Oregon Cascades, Siskiyou
  Mountains, and Southern Oregon Cascades.

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

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...New snow accumulations at Siskiyou Summit
  on I-5 are expected to be generally less than 2 inches during
  this time period. Additional snowfall with lower snow levels
  is likely between the 24th and the 30th of December. Be sure to
  check for additional details as that time frame nears because 
  travel is likely to be significantly affected by winter weather,
  at times, during that time 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.

&&

$$

CAZ085-ORZ029>031-220600-
/O.NEW.KMFR.WW.Y.0034.211223T0000Z-211223T1800Z/
Modoc County-Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Chemult, Crescent, and Gilchrist
411 AM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM WEDNESDAY TO 10 AM
PST THURSDAY ABOVE 4500 FEET...

* WHAT...Snow expected above 4500 feet except locally lower near
  Crescent and Gilchrist. Total new snow accumulations of 3 to 6
  inches are likely. Wind gusts from the southwest at 30 to 50 
  mph are possible, at times, leading to blowing and drifting 
  snow, mainly in exposed areas.

* WHERE...In Modoc County, California, portions of Highway 139
  between Canby and Adin, portions of Highway 299 at and near
  Cedar Pass, and a portion of Highway 395 between Davis Creek 
  and Willow Ranch. In Oregon, portions of Highway 97 from around 
  Modoc Point northward to Gilchrist, and portions of Highway 140 
  between Bly and Adel. 

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

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

* ADDITIONAL DETAILS...Additional snowfall with lower snow levels
  is likely between the 24th and the 30th of December. Be sure to
  check for additional details as that time frame nears because 
  travel is likely to be significantly affected by winter weather,
  at times, during that time 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.

&&

$$
BTL
Visit us at https://www.weather.gov/Medford
6 follow-up statements
230 
WWUS46 KMFR 212232
WSWMFR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
232 PM PST Tue Dec 21 2021

CAZ080-220645-
/O.CON.KMFR.WS.W.0013.211223T0000Z-211223T1800Z/
Western Siskiyou County-
232 PM PST Tue Dec 21 2021

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

* WHAT...Heavy snow expected. Total snow accumulations of 7 to 
  15 inches expected. Wind gusts from the southwest at 30 to 40 
  mph are possible, at times, leading to blowing and drifting 
  snow in exposed areas.

* WHERE...The mountains above 4500 feet in Western Siskiyou
  County. Some lighter snow accumulations will be possible down to
  3500 foot elevations on Thursday morning.

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

* IMPACTS...Travel could be very difficult to impossible. Be 
  sure to be prepared for significant snow and decreased 
  visibilities if traveling near or above this elevation during 
  the above mentioned time period.

* ADDITIONAL DETAILS...Additional snowfall with lower snow 
  levels is likely between the 24th and the 30th of December. Be 
  sure to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time period.

* 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.

&&

$$

ORZ027-028-220645-
/O.EXT.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
South Central Oregon Cascades-
Siskiyou Mountains and Southern Oregon Cascades-
Including the cities of Crater Lake and Diamond Lake
232 PM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 4 PM WEDNESDAY TO
4 AM PST FRIDAY...

* WHAT...Snow expected. Total new snow accumulations of 7 to 16 
  inches. Wind gusts from the southwest at 25 to 45 mph are 
  possible, at times, leading to blowing and drifting snow, mainly
  in exposed areas.

* WHERE...Portions of Highway 58 near Willamette Pass, portions 
  of Highways 138, 62, and 230 in the Diamond and Crater Lake 
  areas, portions of Highway 140 near Lake of the Woods, and the 
  Mount Ashland Ski Road in the South Central Oregon Cascades, 
  Siskiyou Mountains, and Southern Oregon Cascades.

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

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...New snow accumulations at Siskiyou Summit
  on I-5 are expected to be generally less than 3 inches during 
  this time period. Additional snowfall with lower snow levels is 
  likely between the 24th and the 30th of December. Be sure to 
  check for additional details as that time frame nears because 
  travel is likely to be significantly affected by winter weather,
  at times, during that time 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.

&&

$$

CAZ082-083-220645-
/O.EXT.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
South Central Siskiyou County-
North Central and Southeast Siskiyou County-
232 PM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 4 PM WEDNESDAY TO
4 AM PST FRIDAY ABOVE 4000 FEET...

* WHAT...Snow expected above 4000 feet. Total snow accumulations 
  6 to 14 inches. Wind gusts from the southwest at 25 to 45 mph 
  are possible, at times, leading to blowing and drifting snow, 
  mainly in exposed areas.

* WHERE...Portions of Highway 89 at Snowmans Summit and higher
  portions of Highway 89 east of McCloud and west of Pondosa.
  Roadways above 4500 feet will also be affected including the
  Mount Shasta Ski Park Road and the Everitt Memorial Highway.
  This includes mountain areas above 4500 feet in South Central 
  Siskiyou County and North Central and Southeast Siskiyou County 
  including Mount Shasta, Mount Eddy, Castle Lake, Ash Creek 
  Butte, and the Mount Shasta Ski Park.

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

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

* ADDITIONAL DETAILS...Additional snowfall with lower snow 
  levels is likely between the 24th and the 30th of December. Be 
  sure to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time 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.

&&

$$

CAZ085-ORZ029>031-220645-
/O.EXT.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
Modoc County-Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Chemult, Crescent, and Gilchrist
232 PM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 4 PM WEDNESDAY TO
4 AM PST FRIDAY ABOVE 4500 FEET...

* WHAT...Snow expected above 4500 feet except locally lower near 
  Crescent and Gilchrist. Total new snow accumulations of 3 to 6 
  inches are likely. Wind gusts from the southwest at 30 to 50 
  mph are possible, at times, leading to blowing and drifting 
  snow, mainly in exposed areas.

* WHERE...In Modoc County, California, portions of Highway 139 
  between Canby and Adin, portions of Highway 299 at and near 
  Cedar Pass, and a portion of Highway 395 between Davis Creek 
  and Willow Ranch. In Oregon, portions of Highway 97 from 
  around Modoc Point northward to Gilchrist, and portions of 
  Highway 140 between Bly and Adel.

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

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

* ADDITIONAL DETAILS...Additional snowfall with lower snow 
  levels is likely between the 24th and the 30th of December. Be 
  sure to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time 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.

&&

$$

Visit us at https://www.weather.gov/Medford
703 
WWUS46 KMFR 220630
WSWMFR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
1030 PM PST Tue Dec 21 2021

CAZ080-222300-
/O.CON.KMFR.WS.W.0013.211223T0000Z-211223T1800Z/
Western Siskiyou County-
1030 PM PST Tue Dec 21 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM WEDNESDAY TO
   10 AM PST THURSDAY ABOVE 4500 FEET...

* WHAT...Heavy snow expected. Total snow accumulations of 7 to 
  15 inches expected. Wind gusts from the southwest at 30 to 40 
  mph are possible, at times, leading to blowing and drifting 
  snow in exposed areas.

* WHERE...The mountains above 4500 feet in Western Siskiyou 
  County. Some lighter snow accumulations will be possible down 
  to 3500 foot elevations on Thursday morning.

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

* IMPACTS...Travel could be very difficult to impossible. Be 
  sure to be prepared for significant snow and decreased 
  visibilities if traveling near or above this elevation during 
  the above mentioned time period.

* ADDITIONAL DETAILS...Additional snowfall with lower snow 
  levels is likely between the 24th and the 30th of December. Be 
  sure to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time period.

* 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.

&&

$$

ORZ027-028-222300-
/O.CON.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
South Central Oregon Cascades-
Siskiyou Mountains and Southern Oregon Cascades-
Including the cities of Crater Lake and Diamond Lake
1030 PM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM WEDNESDAY
   TO 4 AM PST FRIDAY...

* WHAT...Snow expected. Total new snow accumulations of 7 to 16 
  inches. Wind gusts from the southwest at 25 to 45 mph are 
  possible, at times, leading to blowing and drifting snow, 
  mainly in exposed areas.

* WHERE...Portions of Highway 58 near Willamette Pass, portions 
  of Highways 138, 62, and 230 in the Diamond and Crater Lake 
  areas, portions of Highway 140 near Lake of the Woods, and the 
  Mount Ashland Ski Road in the South Central Oregon Cascades, 
  Siskiyou Mountains, and Southern Oregon Cascades.

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

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...New snow accumulations at Siskiyou Summit 
  on I-5 are expected to be generally less than 3 inches during 
  this time period. Additional snowfall with lower snow levels 
  is likely between the 24th and the 30th of December. Be sure 
  to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time 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.

&&

$$

CAZ082-083-222300-
/O.CON.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
South Central Siskiyou County-
North Central and Southeast Siskiyou County-
1030 PM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM WEDNESDAY
   TO 4 AM PST FRIDAY ABOVE 4000 FEET...

* WHAT...Snow expected above 4000 feet. Total snow accumulations 
  6 to 14 inches. Wind gusts from the southwest at 25 to 45 mph 
  are possible, at times, leading to blowing and drifting snow, 
  mainly in exposed areas.

* WHERE...Portions of Highway 89 at Snowmans Summit and higher 
  portions of Highway 89 east of McCloud and west of Pondosa. 
  Roadways above 4500 feet will also be affected including the 
  Mount Shasta Ski Park Road and the Everitt Memorial Highway. 
  This includes mountain areas above 4500 feet in South Central 
  Siskiyou County and North Central and Southeast Siskiyou 
  County including Mount Shasta, Mount Eddy, Castle Lake, Ash 
  Creek Butte, and the Mount Shasta Ski Park.

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

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

* ADDITIONAL DETAILS...Additional snowfall with lower snow 
  levels is likely between the 24th and the 30th of December. Be 
  sure to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time 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.

&&

$$

CAZ085-ORZ029>031-222300-
/O.CON.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
Modoc County-Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Chemult, Crescent, and Gilchrist
1030 PM PST Tue Dec 21 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM WEDNESDAY
   TO 4 AM PST FRIDAY ABOVE 4500 FEET...

* WHAT...Snow expected above 4500 feet except locally lower near 
  Crescent and Gilchrist. Total new snow accumulations of 3 to 6 
  inches are likely. Wind gusts from the southwest at 30 to 50 
  mph are possible, at times, leading to blowing and drifting 
  snow, mainly in exposed areas.

* WHERE...In Modoc County, California, portions of Highway 139 
  between Canby and Adin, portions of Highway 299 at and near 
  Cedar Pass, and a portion of Highway 395 between Davis Creek 
  and Willow Ranch. In Oregon, portions of Highway 97 from 
  around Modoc Point northward to Gilchrist, and portions of 
  Highway 140 between Bly and Adel.

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

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

* ADDITIONAL DETAILS...Additional snowfall with lower snow 
  levels is likely between the 24th and the 30th of December. Be 
  sure to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time 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.

&&

$$

Visit us at https://www.weather.gov/Medford
618 
WWUS46 KMFR 221232
WSWMFR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
432 AM PST Wed Dec 22 2021

CAZ082-083-230600-
/O.EXB.KMFR.WS.W.0013.211223T0000Z-211223T1500Z/
/O.EXT.KMFR.WW.Y.0034.211223T1500Z-211224T1200Z/
South Central Siskiyou County-
North Central and Southeast Siskiyou County-
Including the city of Tennant
432 AM PST Wed Dec 22 2021

...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 AM PST THURSDAY ABOVE 4000 FEET...
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 7 AM THURSDAY TO
4 AM PST FRIDAY ABOVE 4000 FEET...

* WHAT...For the Winter Storm Warning above 4000 feet, heavy snow
  expected. Total new snow accumulations of 10 to 20 inches
  expected. Wind gusts from the southwest of 30 to 50 mph, mainly
  in exposed locations, will lead to low visibilities due to
  blowing and drifting snow, at times. For the Winter Weather
  Advisory above 4000 feet, snow expected. Additional snow
  accumulations of 2 to 7 inches are likely above 4000 foot
  elevations along with wind gusts 20 to 40 mph from the west-
  southwest, mainly in exposed locations, during the advisory 
  time period.

* WHERE...Portions of Highway 89 at Snowmans Summit and higher
  portions of Highway 89 east of McCloud and west of Pondosa.
  Roadways above 4000 feet will also be affected, including the
  Mount Shasta Ski Park Road and the Everitt Memorial Highway.
  This includes mountain areas above 4000 feet in South Central 
  Siskiyou County and North Central and Southeast Siskiyou County 
  including Mount Shasta, Mount Eddy, Castle Lake, Ash Creek 
  Butte, and the Mount Shasta Ski Park.

* WHEN...For the Winter Storm Warning, from 4 PM this afternoon 
  to 7 AM PST Thursday. For the Winter Weather Advisory, from 7 
  AM Thursday to 4 AM PST Friday.

* IMPACTS...Travel could be very difficult. The hazardous
  conditions could impact this evening's commute as well as
  Thursday morning's commute.

* ADDITIONAL DETAILS...Additional snowfall with lower snow 
  levels is likely between the 24th and the 30th of December. Be 
  sure to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time period.

* 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.

&&

$$

CAZ080-230600-
/O.NEW.KMFR.WS.A.0011.211224T1900Z-211227T1800Z/
/O.CON.KMFR.WS.W.0013.211223T0000Z-211223T1800Z/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
Scott Bar, and Somes Bar
432 AM PST Wed Dec 22 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST THURSDAY ABOVE 4500 FEET...
...WINTER STORM WATCH IN EFFECT FROM MIDDAY FRIDAY THROUGH MONDAY
MORNING ABOVE 1500 FEET...

* WHAT...Heavy snow expected. Total snow accumulations of 7 to 15
  inches expected. Wind gusts from the southwest at 30 to 40 mph
  are possible, at times, leading to blowing and drifting snow in
  exposed areas. For the Winter Storm Watch above 1500 feet, heavy
  snow is likely, at times. Additional snow accumulations of
  around 10 inches at lower elevation to several feet at mid and
  upper elevations are likely. Gusty winds are also likely lead 
  to blowing and drifting snow, at times.

* WHERE...For the Winter Storm Warning, the mountains above 4500
  feet in Western Siskiyou County. Some lighter snow accumulations
  will be possible down to 3500 foot elevations on Thursday
  morning. For the Winter Storm Watch, elevations at and above
  1500 feet including the Scott Valley, Sawyers Bar, and Scott
  Bar. 

* WHEN...For the Winter Storm Warning, from 4 PM this afternoon to
  10 AM PST Thursday. For the Winter Storm Watch, from midday
  Friday through Monday morning.

* IMPACTS...Travel could be very difficult to impossible,
  especially during the Winter Storm Watch time period. The
  hazardous conditions could impact the morning and evening 
  commutes.

* ADDITIONAL DETAILS...Snow levels will lower the afternoon of
  Christmas Eve through the morning of the 27th from around 2500
  foot elevations to around 1500 foot elevations. Check back for
  updates on forecast details as this active weather nears.

* 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.

&&

$$

ORZ027-028-230600-
/O.CON.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
South Central Oregon Cascades-
Siskiyou Mountains and Southern Oregon Cascades-
Including the cities of Crater Lake and Diamond Lake
432 AM PST Wed Dec 22 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 4 AM PST FRIDAY...

* WHAT...Snow expected. Total new snow accumulations of 7 to 16 
  inches. Wind gusts from the southwest at 25 to 45 mph are 
  possible, at times, leading to blowing and drifting snow, 
  mainly in exposed areas.

* WHERE...Portions of Highway 58 near Willamette Pass, portions 
  of Highways 138, 62, and 230 in the Diamond and Crater Lake 
  areas, portions of Highway 140 near Lake of the Woods, and the 
  Mount Ashland Ski Road in the South Central Oregon Cascades, 
  Siskiyou Mountains, and Southern Oregon Cascades.

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

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...New snow accumulations at Siskiyou Summit 
  on I-5 are expected to be generally less than 3 inches during 
  this time period. Additional snowfall with lower snow levels 
  is likely between the 24th and the 30th of December. Be sure 
  to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time 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.

&&

$$

CAZ085-ORZ029>031-230600-
/O.CON.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
Modoc County-Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Chemult, Crescent, and Gilchrist
432 AM PST Wed Dec 22 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 4 AM PST FRIDAY ABOVE 4500 FEET...

* WHAT...Snow expected, mainly above 4500 feet, except locally
  lower near Crescent and Gilchrist. Total new snow accumulations
  of 4 to 10 inches likely. Wind gusts from the southwest at 30 
  to 50 mph are possible, at times, leading to blowing and 
  drifting snow, mainly in exposed areas.

* WHERE...In Modoc County, California, portions of Highway 139 
  between Canby and Adin, portions of Highway 299 at and near 
  Cedar Pass, and a portion of Highway 395 between Davis Creek 
  and Willow Ranch. In Oregon, portions of Highway 97 from 
  around Modoc Point northward to Gilchrist, and portions of 
  Highway 140 between Bly and Adel.

* WHEN...From 4 PM Wednesday to 4 AM PST Friday. The heaviest
  snowfall is most likely to occur between 9 PM PST Wednesday 
  evening and 7 AM PST Thursday morning.

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

* ADDITIONAL DETAILS...Additional snowfall with lower snow 
  levels is likely between the 24th and the 30th of December. Be 
  sure to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time 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>026-230600-
/O.NEW.KMFR.WS.A.0011.211224T1900Z-211227T1800Z/
Central Douglas County-Eastern Curry County and Josephine County-
Eastern Douglas County Foothills-Jackson County-
Including the cities of Glendale, Steamboat, Toketee Falls, 
and Ashland
432 AM PST Wed Dec 22 2021

...WINTER STORM WATCH IN EFFECT FROM MIDDAY FRIDAY THROUGH MONDAY
MORNING ABOVE 1500 FEET...

* WHAT...Periods of moderate to heavy snowfall is possible, mainly
  above 1500 foot elevations. Total snow accumulations of several
  inches at lower elevations to as much as a few feet near 3500
  foot elevations are possible.

* WHERE...Central Douglas County, Eastern Curry County and
  Josephine County, Eastern Douglas County Foothills and Jackson
  County including portions of Interstate 5 between Grants Pass
  and Tri-City, portions of Highway 199 in the Illinois Valley,
  portions of the Tiller Highway from near Tiller to Shady Cove,
  portions of Highway 138 east of Roseburg, portions of Highway 62
  from Shady Cove to Prospect, much of the Applegate Valley,
  Jacksonville, from east Medford south to the Ashland area in 
  the Rogue Valley, and Highway 140 east of White City. 

* WHEN...From Friday morning through Monday morning.

* IMPACTS...Travel could be difficult to impossible, at times,
  during this time period. The hazardous conditions could impact 
  the morning or evening commute.

* ADDITIONAL DETAILS...Snow levels on Christmas Eve day are likely
  to be between 1500 and 2500 feet. Cold low pressure moving
  through the area Christmas Eve into Christmas Day is likely to
  lead to locally intense showers resulting in accumulations, at
  times. Additional waves of low pressure and a cooling air mass
  are then likely to bring additional periods of snow on the 26th
  and 27th, possibly down to 500 to 1000 foot elevations, at times.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Stock emergency kit with tire chains, flashlight, batteries, 
  blankets, food, water, and medications.

* The safest place during a winter storm is indoors.

* Plan now to avoid traveling during the storm.

* A Winter Storm Watch means there is potential for significant
  snow accumulations that may create dangerous travel.

&&

$$
BTL
Visit us at https://www.weather.gov/Medford
503 
WWUS46 KMFR 222237
WSWMFR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
237 PM PST Wed Dec 22 2021

ORZ027-028-231145-
/O.EXA.KMFR.WS.W.0013.211223T0000Z-211223T1800Z/
/O.CON.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
South Central Oregon Cascades-
Siskiyou Mountains and Southern Oregon Cascades-
Including the cities of Crater Lake and Diamond Lake
237 PM PST Wed Dec 22 2021

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST THURSDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
FRIDAY...

* WHAT...For the Winter Storm Warning, heavy snow expected. 
  Total snow accumulations of up to 19 inches. Winds gusting as 
  high as 50 mph. For the Winter Weather Advisory, snow 
  expected. Total snow accumulations of up to 28 inches. Winds 
  gusting as high as 50 mph.

* WHERE...For the Warning, the Crater Lake area. For the Advisory,
  portions of Highway 58 near Willamette Pass, portions of
  Highways 138, 62, and 230 in the Diamond Lake area, portions of
  Highway 140 near Lake of the Woods, and the Mount Ashland Ski 
  Road in the South Central Oregon Cascades, Siskiyou Mountains, 
  and Southern Oregon Cascades.

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

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...New snow accumulations at Siskiyou Summit 
  on I-5 are expected to be generally less than 3 inches during 
  this time period. Additional snowfall with lower snow levels 
  is likely between the 24th and the 30th of December. Be sure 
  to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time period.

* 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
  imminent, 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.

&&

$$

CAZ082-083-231145-
/O.EXB.KMFR.WS.A.0011.211224T1800Z-211227T2000Z/
/O.CON.KMFR.WS.W.0013.211223T0000Z-211223T1500Z/
/O.CON.KMFR.WW.Y.0034.211223T1500Z-211224T1200Z/
South Central Siskiyou County-
North Central and Southeast Siskiyou County-
Including the cities of McCloud and Tennant
237 PM PST Wed Dec 22 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM PST THURSDAY 
ABOVE 3500 FEET... 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM THURSDAY TO 4 
AM PST FRIDAY ABOVE 3500 FEET... 
...WINTER STORM WATCH IN EFFECT FROM FRIDAY MORNING THROUGH MONDAY 
MORNING...

* WHAT...For the Winter Storm Warning above 3500 feet, heavy snow
  expected. Total snow accumulations of 8 to 19 inches. Winds
  gusting as high as 50 mph. For the Winter Weather Advisory above
  3500 feet, snow expected. Total snow accumulations of 2 to 7
  inches. Winds gusting as high as 40 mph. For the Winter Storm
  Watch, heavy snow possible. Total snow accumulations of 10 to 27
  inches possible. Winds could gust as high as 45 mph.

* WHERE...Portions of Highway 89 at Snowmans Summit and higher
  portions of Highway 89 east of McCloud and west of Pondosa.
  Roadways above 3500 feet will also be affected, including the
  Mount Shasta Ski Park Road, the Everitt Memorial Highway and I-5
  near Black Butte Summit. This includes mountain areas above 3500
  feet in South Central Siskiyou County and North Central and 
  Southeast Siskiyou County including Mount Shasta, Mount Eddy, 
  Castle Lake, Ash Creek Butte, and the Mount Shasta Ski Park.

* WHEN...For the Winter Storm Warning, until 7 AM PST Thursday. 
  For the Winter Weather Advisory, from 7 AM Thursday to 4 AM 
  PST Friday. For the Winter Storm Watch, from Friday morning 
  through Monday morning.

* IMPACTS...Travel could be very difficult to impossible, 
  especially during the Winter Storm Watch time period. The 
  hazardous conditions could impact the morning and evening 
  commutes.

* ADDITIONAL DETAILS...Snow levels will lower the afternoon of
  Christmas Eve through the morning of the 27th from around 2500
  foot elevations to around 1500 foot elevations, snow levels may
  drop to valley floors briefly at times. Check back for updates 
  on forecast details as this active weather nears.

* 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
  imminent, 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.

&&

$$

CAZ080-231145-
/O.EXT.KMFR.WS.A.0011.211224T1800Z-211227T2000Z/
/O.CON.KMFR.WS.W.0013.211223T0000Z-211223T1800Z/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
Scott Bar, and Somes Bar
237 PM PST Wed Dec 22 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY 
ABOVE 3500 FEET...
...WINTER STORM WATCH NOW IN EFFECT FROM FRIDAY MORNING THROUGH 
MONDAY MORNING ABOVE 1500 FEET...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 
  inches expected. Wind gusts from the southwest at 30 to 40 mph are 
  possible, at times, leading to blowing and drifting snow in 
  exposed areas. For the Winter Storm Watch above 1500 feet, heavy 
  snow is likely, at times. Additional snow accumulations of around 
  10 inches at lower elevation to several feet at mid and upper 
  elevations are likely. Gusty winds are also likely lead to blowing 
  and drifting snow, at times.

* WHERE...For the Winter Storm Warning, the mountains above 4500 
  feet in Western Siskiyou County. Some lighter snow accumulations 
  will be possible down to 3000 foot elevations on Thursday morning. 
  For the Winter Storm Watch, elevations at and above 1500 feet 
  including the Scott Valley, Sawyers Bar, and Scott Bar.

* WHEN...For the Winter Storm Warning, until 10 AM PST Thursday. For 
  the Winter Storm Watch, from Friday morning through Monday morning.

* IMPACTS...Travel could be very difficult to impossible, especially 
  during the Winter Storm Watch time period. The hazardous 
  conditions could impact the morning and evening commutes.

* ADDITIONAL DETAILS...Snow levels will lower the afternoon of 
  Christmas Eve through the morning of the 27th from around 2500 
  foot elevations to around 1500 foot elevations, with snow levels 
  dropping briefly to the valley floors at times. Check back for 
  updates on forecast details as this active weather nears.


* 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.

&&

$$

CAZ085-ORZ029>031-231145-
/O.CON.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
Modoc County-Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Chemult, Crescent, and Gilchrist
237 PM PST Wed Dec 22 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
FRIDAY...

* WHAT...Snow expected. Total new snow accumulations of 4 to 10 
  inches likely. Wind gusts from the southwest at 30 to 50 mph are
  possible, at times, leading to blowing and drifting snow, 
  mainly in exposed areas.

* WHERE...In Modoc County, California, portions of Highway 139 
  between Canby and Adin, portions of Highway 299 at and near 
  Cedar Pass, and a portion of Highway 395 between Davis Creek 
  and Willow Ranch. In Oregon, portions of Highway 97 from 
  around Modoc Point northward to Gilchrist, and portions of 
  Highway 140 between Bly and Adel.

* WHEN...From 4 PM Wednesday to 4 AM PST Friday. The heaviest
  snowfall is most likely to occur between 9 PM PST and 7 AM PST 
  Thursday morning.

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

* ADDITIONAL DETAILS...Additional snowfall with lower snow 
  levels is likely between the 24th and the 30th of December. Be 
  sure to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time 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>026-231145-
/O.EXT.KMFR.WS.A.0011.211224T1800Z-211227T2000Z/
Central Douglas County-Eastern Curry County and Josephine County-
Eastern Douglas County Foothills-Jackson County-
Including the cities of Glendale, Steamboat, Toketee Falls, 
and Ashland
237 PM PST Wed Dec 22 2021

...WINTER STORM WATCH NOW IN EFFECT FROM FRIDAY MORNING THROUGH
MONDAY MORNING ABOVE 1500 FEET...

* WHAT...Periods of moderate to heavy snowfall is possible, 
  mainly above 1500 foot elevations. Total snow accumulations of 
  several inches at lower elevations to as much as a few feet 
  near 3500 foot elevations are possible.

* WHERE...Central Douglas County, Eastern Curry County and 
  Josephine County, Eastern Douglas County Foothills and Jackson 
  County including portions of Interstate 5 between Grants Pass 
  and Tri-City, portions of Highway 199 in the Illinois Valley, 
  portions of the Tiller Highway from near Tiller to Shady Cove, 
  portions of Highway 138 east of Roseburg, portions of Highway 
  62 from Shady Cove to Prospect, much of the Applegate Valley, 
  Jacksonville, from east Medford south to the Ashland area in 
  the Rogue Valley, and Highway 140 east of White City.

* WHEN...From Friday morning through Monday morning.

* IMPACTS...Travel could be difficult to impossible, at times, 
  during this time period. The hazardous conditions could impact 
  the morning or evening commute.

* ADDITIONAL DETAILS...Snow levels on Christmas Eve day are 
  likely to be between 1500 and 2500 feet. Cold low pressure 
  moving through the area Christmas Eve into Christmas Day is 
  likely to lead to locally intense showers resulting in 
  accumulations, at times. Additional waves of low pressure and 
  a cooling air mass are then likely to bring additional periods 
  of snow on the 26th and 27th, possibly down to 500 to 1000 
  foot elevations, at times.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Stock emergency kit with tire chains, flashlight, batteries, 
  blankets, food, water, and medications.

* The safest place during a winter storm is indoors.

* Plan now to avoid traveling during the storm.

* A Winter Storm Watch means there is potential for significant 
  snow accumulations that may create dangerous travel.

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

&&

$$

Visit us at https://www.weather.gov/Medford
949 
WWUS46 KMFR 222241 CCA
WSWMFR

URGENT - WINTER WEATHER MESSAGE...CORRECTED
National Weather Service Medford OR
241 PM PST Wed Dec 22 2021

ORZ027-028-231145-
/O.COR.KMFR.WS.W.0013.211223T0000Z-211223T1800Z/
/O.COR.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
South Central Oregon Cascades-
Siskiyou Mountains and Southern Oregon Cascades-
Including the cities of Crater Lake and Diamond Lake
241 PM PST Wed Dec 22 2021

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST THURSDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
FRIDAY...

* WHAT...For the Winter Storm Warning, heavy snow expected. Total
  snow accumulations 18 to 24 inches. Winds gusting as high as 50
  mph. For the Winter Weather Advisory, snow expected. Total snow
  accumulations of 10 to 20 inches. Winds gusting as high as 50 
  mph.

* WHERE...For the Warning, the Crater Lake area. For the Advisory,
  portions of Highway 58 near Willamette Pass, portions of
  Highways 138, 62, and 230 in the Diamond Lake area, portions of
  Highway 140 near Lake of the Woods, and the Mount Ashland Ski 
  Road in the South Central Oregon Cascades, Siskiyou Mountains, 
  and Southern Oregon Cascades.

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

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...New snow accumulations at Siskiyou Summit 
  on I-5 are expected to be generally less than 3 inches during 
  this time period. Additional snowfall with lower snow levels 
  is likely between the 24th and the 30th of December. Be sure 
  to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time period.

* 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
  imminent, 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.

&&

$$

CAZ082-083-231145-
/O.EXB.KMFR.WS.A.0011.211224T1800Z-211227T2000Z/
/O.CON.KMFR.WS.W.0013.211223T0000Z-211223T1500Z/
/O.CON.KMFR.WW.Y.0034.211223T1500Z-211224T1200Z/
South Central Siskiyou County-
North Central and Southeast Siskiyou County-
Including the cities of McCloud and Tennant
241 PM PST Wed Dec 22 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM PST THURSDAY 
ABOVE 3500 FEET... 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM THURSDAY TO 4 
AM PST FRIDAY ABOVE 3500 FEET... 
...WINTER STORM WATCH IN EFFECT FROM FRIDAY MORNING THROUGH MONDAY 
MORNING...

* WHAT...For the Winter Storm Warning above 3500 feet, heavy snow
  expected. Total snow accumulations of 8 to 19 inches. Winds
  gusting as high as 50 mph. For the Winter Weather Advisory above
  3500 feet, snow expected. Total snow accumulations of 2 to 7
  inches. Winds gusting as high as 40 mph. For the Winter Storm
  Watch, heavy snow possible. Total snow accumulations of 10 to 27
  inches possible. Winds could gust as high as 45 mph.

* WHERE...Portions of Highway 89 at Snowmans Summit and higher
  portions of Highway 89 east of McCloud and west of Pondosa.
  Roadways above 3500 feet will also be affected, including the
  Mount Shasta Ski Park Road, the Everitt Memorial Highway and I-5
  near Black Butte Summit. This includes mountain areas above 3500
  feet in South Central Siskiyou County and North Central and 
  Southeast Siskiyou County including Mount Shasta, Mount Eddy, 
  Castle Lake, Ash Creek Butte, and the Mount Shasta Ski Park.

* WHEN...For the Winter Storm Warning, until 7 AM PST Thursday. 
  For the Winter Weather Advisory, from 7 AM Thursday to 4 AM 
  PST Friday. For the Winter Storm Watch, from Friday morning 
  through Monday morning.

* IMPACTS...Travel could be very difficult to impossible, 
  especially during the Winter Storm Watch time period. The 
  hazardous conditions could impact the morning and evening 
  commutes.

* ADDITIONAL DETAILS...Snow levels will lower the afternoon of
  Christmas Eve through the morning of the 27th from around 2500
  foot elevations to around 1500 foot elevations, snow levels may
  drop to valley floors briefly at times. Check back for updates 
  on forecast details as this active weather nears.

* 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
  imminent, 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.

&&

$$

CAZ080-231145-
/O.EXT.KMFR.WS.A.0011.211224T1800Z-211227T2000Z/
/O.CON.KMFR.WS.W.0013.211223T0000Z-211223T1800Z/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
Scott Bar, and Somes Bar
241 PM PST Wed Dec 22 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY 
ABOVE 3500 FEET...
...WINTER STORM WATCH NOW IN EFFECT FROM FRIDAY MORNING THROUGH 
MONDAY MORNING ABOVE 1500 FEET...

* WHAT...Heavy snow expected. Total snow accumulations of 10 to 20 
  inches expected. Wind gusts from the southwest at 30 to 40 mph are 
  possible, at times, leading to blowing and drifting snow in 
  exposed areas. For the Winter Storm Watch above 1500 feet, heavy 
  snow is likely, at times. Additional snow accumulations of around 
  10 inches at lower elevation to several feet at mid and upper 
  elevations are likely. Gusty winds are also likely lead to blowing 
  and drifting snow, at times.

* WHERE...For the Winter Storm Warning, the mountains above 4500 
  feet in Western Siskiyou County. Some lighter snow accumulations 
  will be possible down to 3000 foot elevations on Thursday morning. 
  For the Winter Storm Watch, elevations at and above 1500 feet 
  including the Scott Valley, Sawyers Bar, and Scott Bar.

* WHEN...For the Winter Storm Warning, until 10 AM PST Thursday. For 
  the Winter Storm Watch, from Friday morning through Monday morning.

* IMPACTS...Travel could be very difficult to impossible, especially 
  during the Winter Storm Watch time period. The hazardous 
  conditions could impact the morning and evening commutes.

* ADDITIONAL DETAILS...Snow levels will lower the afternoon of 
  Christmas Eve through the morning of the 27th from around 2500 
  foot elevations to around 1500 foot elevations, with snow levels 
  dropping briefly to the valley floors at times. Check back for 
  updates on forecast details as this active weather nears.


* 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.

&&

$$

CAZ085-ORZ029>031-231145-
/O.CON.KMFR.WW.Y.0034.211223T0000Z-211224T1200Z/
Modoc County-Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Chemult, Crescent, and Gilchrist
241 PM PST Wed Dec 22 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
FRIDAY...

* WHAT...Snow expected. Total new snow accumulations of 4 to 10 
  inches likely. Wind gusts from the southwest at 30 to 50 mph are
  possible, at times, leading to blowing and drifting snow, 
  mainly in exposed areas.

* WHERE...In Modoc County, California, portions of Highway 139 
  between Canby and Adin, portions of Highway 299 at and near 
  Cedar Pass, and a portion of Highway 395 between Davis Creek 
  and Willow Ranch. In Oregon, portions of Highway 97 from 
  around Modoc Point northward to Gilchrist, and portions of 
  Highway 140 between Bly and Adel.

* WHEN...From 4 PM Wednesday to 4 AM PST Friday. The heaviest
  snowfall is most likely to occur between 9 PM PST and 7 AM PST 
  Thursday morning.

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

* ADDITIONAL DETAILS...Additional snowfall with lower snow 
  levels is likely between the 24th and the 30th of December. Be 
  sure to check for additional details as that time frame nears 
  because travel is likely to be significantly affected by 
  winter weather, at times, during that time 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>026-231145-
/O.EXT.KMFR.WS.A.0011.211224T1800Z-211227T2000Z/
Central Douglas County-Eastern Curry County and Josephine County-
Eastern Douglas County Foothills-Jackson County-
Including the cities of Glendale, Steamboat, Toketee Falls, 
and Ashland
241 PM PST Wed Dec 22 2021

...WINTER STORM WATCH NOW IN EFFECT FROM FRIDAY MORNING THROUGH
MONDAY MORNING ABOVE 1500 FEET...

* WHAT...Periods of moderate to heavy snowfall is possible, 
  mainly above 1500 foot elevations. Total snow accumulations of 
  several inches at lower elevations to as much as a few feet 
  near 3500 foot elevations are possible.

* WHERE...Central Douglas County, Eastern Curry County and 
  Josephine County, Eastern Douglas County Foothills and Jackson 
  County including portions of Interstate 5 between Grants Pass 
  and Tri-City, portions of Highway 199 in the Illinois Valley, 
  portions of the Tiller Highway from near Tiller to Shady Cove, 
  portions of Highway 138 east of Roseburg, portions of Highway 
  62 from Shady Cove to Prospect, much of the Applegate Valley, 
  Jacksonville, from east Medford south to the Ashland area in 
  the Rogue Valley, and Highway 140 east of White City.

* WHEN...From Friday morning through Monday morning.

* IMPACTS...Travel could be difficult to impossible, at times, 
  during this time period. The hazardous conditions could impact 
  the morning or evening commute.

* ADDITIONAL DETAILS...Snow levels on Christmas Eve day are 
  likely to be between 1500 and 2500 feet. Cold low pressure 
  moving through the area Christmas Eve into Christmas Day is 
  likely to lead to locally intense showers resulting in 
  accumulations, at times. Additional waves of low pressure and 
  a cooling air mass are then likely to bring additional periods 
  of snow on the 26th and 27th, possibly down to 500 to 1000 
  foot elevations, at times.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* Stock emergency kit with tire chains, flashlight, batteries, 
  blankets, food, water, and medications.

* The safest place during a winter storm is indoors.

* Plan now to avoid traveling during the storm.

* A Winter Storm Watch means there is potential for significant 
  snow accumulations that may create dangerous travel.

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

&&

$$

Visit us at https://www.weather.gov/Medford
130 
WWUS46 KMFR 231338
WSWMFR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Medford OR
538 AM PST Thu Dec 23 2021

ORZ027-028-240000-
/O.CAN.KMFR.WS.W.0013.000000T0000Z-211223T1800Z/
/O.CON.KMFR.WW.Y.0034.000000T0000Z-211224T1200Z/
South Central Oregon Cascades-
Siskiyou Mountains and Southern Oregon Cascades-
Including the cities of Crater Lake and Diamond Lake
538 AM PST Thu Dec 23 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
FRIDAY...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow and localized blowing snow. Additional snow
  accumulations of 5 to 15 inches. Wind gusts from the southwest,
  then the west 30 to 50 mph at exposed locations, especially
  above 6500 foot elevations.

* WHERE...In and around Crater Lake National Park, portions of
  Highway 58 near Willamette Pass, portions of Highways 138, 62,
  and 230 in the Diamond Lake area, portions of Highway 140 near
  Lake of the Woods, and the Mount Ashland Ski Road, as well as
  elevations generally above 4000 feet in the South Central 
  Oregon Cascades, Siskiyou Mountains, and Southern Oregon 
  Cascades.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Additional accumulations of 1 to 4 inches
  are expected at Siskiyou Summit on Interstate 5 and Highway 66
  between Ashland and Klamath Falls. The snowfall is likely to
  come in two main waves; one early this morning and, the other,
  this afternoon and evening. 

* 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.

&&

$$

ORZ023-024-240000-
/O.UPG.KMFR.WS.A.0011.211224T1800Z-211227T2000Z/
/O.NEW.KMFR.WS.W.0014.211224T1200Z-211227T2000Z/
Central Douglas County-Eastern Curry County and Josephine County-
Including the city of Glendale
538 AM PST Thu Dec 23 2021

...WINTER STORM WARNING IN EFFECT FROM 4 AM FRIDAY TO NOON PST
MONDAY ABOVE 1500 FEET...

* WHAT...Periods of moderate to heavy snow expected above 1500
  feet. New snow accumulations of generally 2 to 6 inches at
  elevations between 1500 and 2500 feet Friday through Saturday,
  Christmas morning. 6 to 18 inches is likely above 2500 foot
  elevations during that same time period. An additional 12 inches
  around 1500 foot elevations to as much as 48 inches at higher
  elevations is then likely between Saturday afternoon and Monday
  morning. Winds could gust 20 to 40 mph at exposed higher
  elevation locations during this time period.

* WHERE...Central Douglas County and Eastern Curry County and
  Josephine County including portions of Interstate 5 between
  Grants Pass and Tri-City, portions of Highway 199 in the
  Illinois Valley, portions of the Tiller Highway from near Tiller
  to Shady Cove, and the Camas Mountain area on Highway 138.

* WHEN...From 4 AM Friday to noon PST Monday.

* IMPACTS...Travel could be very difficult to impossible, at
  times. The hazardous conditions are likely to significantly
  impact holiday travel.

* ADDITIONAL DETAILS...This warning period will bring periods of
  significant snowfall from multiple waves of low pressure moving
  into the area. While there will be some breaks in the weather,
  expect snowfall to begin to impact the Canyon Mountain and
  Sexton Summit passes on Friday the 24th. Lowering snow levels
  with time mean that travel impacts will spread to more roadways
  over time.

* 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.

&&

$$

CAZ080-240000-
/O.EXT.KMFR.WS.W.0013.000000T0000Z-211223T1500Z/
/O.CON.KMFR.WS.A.0011.211224T1800Z-211227T2000Z/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
Scott Bar, and Somes Bar
538 AM PST Thu Dec 23 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 7 AM PST THIS
MORNING...
...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH MONDAY MORNING...

* WHAT...For the Winter Storm Warning, heavy wet snow. Additional
  snow accumulations of up to two inches. For the Winter Storm
  Watch above 1500 feet, heavy snow is likely, at times. 
  Additional snow accumulations of around 10 inches at lower 
  elevation to several feet at mid and upper elevations are 
  likely. Gusty winds are also likely lead to blowing and drifting
  snow, at times, mainly in exposed locations.

* WHERE...For the Winter Storm Warning, the mountains above 3500
  feet in Western Siskiyou County with some lighter snow
  accumulations down to around 3000 foot elevations this morning.
  For the Winter Storm Watch, elevations at and above 1500 feet 
  including the Scott Valley, Sawyers Bar, and Scott Bar.

* WHEN...For the Winter Storm Warning, until 7 AM PST this 
  morning. For the Winter Storm Watch, from Friday morning 
  through Monday morning.

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

* ADDITIONAL DETAILS... Snow levels will lower the afternoon of 
  Christmas Eve through the morning of the 27th from around 2500 
  foot elevations to around 1500 foot elevations, with snow levels 
  dropping briefly to the valley floors at times. Check back for 
  updates on forecast details as this active weather nears.

* 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.

&&

$$

CAZ082-083-240000-
/O.EXT.KMFR.WW.Y.0034.211224T0000Z-211224T1200Z/
/O.CON.KMFR.WS.W.0013.000000T0000Z-211223T1500Z/
/O.CON.KMFR.WS.A.0011.211224T1800Z-211227T2000Z/
South Central Siskiyou County-
North Central and Southeast Siskiyou County-
Including the cities of McCloud, Mount Shasta, Pondosa, 
and Tennant
538 AM PST Thu Dec 23 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM PST THIS
MORNING...
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON
TO 4 AM PST FRIDAY ABOVE 4000 FEET...
...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH MONDAY MORNING...

* WHAT...For the Winter Storm Warning, heavy wet snow. Additional
  snow accumulations of 1 to 3 inches this morning. Winds gusting
  30 to 40 mph at exposed higher elevation locations. For the
  Winter Weather Advisory above 4000 feet, snow expected. Total
  snow accumulations of 2 to 6 inches. Winds gusting as high as 40
  mph. For the Winter Storm Watch, heavy snow possible. Total snow
  accumulations of 15 to 30 inches possible. Winds could gust as 
  high as 45 mph.

* WHERE...This morning slushy roads are possible along Interstate
  5. Expect greater travel impacts above 3500 foot elevations such
  as Highway 89 at Snowmans Summit and on the Mount Shasta Ski 
  Park Road. All other higher elevation roads will be affected 
  early this morning. The main impacts during the advisory time 
  period will be above 4000 feet along portions of Highway 89. The
  Winter Storm Watch is for all areas.

* WHEN...For the Winter Storm Warning, until 7 AM PST this 
  morning. For the Winter Weather Advisory, from 4 PM this 
  afternoon to 4 AM PST Friday. For the Winter Storm Watch, from 
  Friday morning through Monday morning.

* 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...

* 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.

&&

$$

ORZ025-240000-
/O.EXB.KMFR.WW.Y.0034.211223T1800Z-211224T0600Z/
/O.CON.KMFR.WS.A.0011.211224T1800Z-211227T2000Z/
Eastern Douglas County Foothills-
Including the cities of Steamboat and Toketee Falls
538 AM PST Thu Dec 23 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO
10 PM PST THIS EVENING ABOVE 2000 FEET...
...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH MONDAY MORNING...

* WHAT...For the Winter Weather Advisory above 2000 feet, snow
  expected. New snow accumulations of 1 to 3 inches, except up to
  6 inches above 3000 foot elevations. For the Winter Storm Watch,
  periods of moderate to heavy snow is likely. Total additional
  snow accumulations of 2 to 4 feet possible. Winds could gust as
  high as 35 mph, at times, in exposed locations.

* WHERE...Eastern Douglas County Foothills including Highway 138
  east of Roseburg and the towns of Steamboat and Toketee Falls.

* WHEN...For the Winter Weather Advisory, from 10 AM this 
  morning to 10 PM PST this evening. For the Winter Storm Watch, 
  from Friday morning through Monday morning.

* IMPACTS...Travel could be very difficult to impossible during
  the winter storm watch period. Today, the hazardous conditions
  could impact the evening commute.

* ADDITIONAL DETAILS...Snow levels will lower in showers today
  with minor impacts possible. The winter storm watch period will
  bring significant impacts, at times, to include potential road
  closures.

* 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.

&&

$$

ORZ026-240000-
/O.EXB.KMFR.WW.Y.0034.211223T1800Z-211224T0600Z/
/O.CON.KMFR.WS.A.0011.211224T1800Z-211227T2000Z/
Jackson County-
Including the city of Ashland
538 AM PST Thu Dec 23 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO
10 PM PST THIS EVENING ABOVE 2500 FEET...
...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY MORNING
THROUGH MONDAY MORNING ABOVE 1500 FEET...

* WHAT...For the Winter Weather Advisory above 2500 feet, snow
  expected. Total snow accumulations of 2 to 6 inches likely. For
  the Winter Storm Watch above 1500 feet, periods of moderate to
  heavy snow likely. Total snow accumulations of 6 to 12 inches 
  at lower elevations between 1500 and 2000 feet to as much as to 
  30 inches is possible between 2000 and 3500 foot elevations.

* WHERE...Jackson County. For the advisory, the Union Creek,
  Prospect, and Butte Falls areas. For the Winter Storm Watch, all
  areas above 1500 foot elevations including portions of Highway 
  62 from Shady Cove to Prospect, much of the Applegate Valley, 
  Jacksonville, from east Medford south to the Ashland area in 
  the Rogue Valley, and Highway 140 east of White City.

* WHEN...For the Winter Weather Advisory, from 10 AM this 
  morning to 10 PM PST this evening. For the Winter Storm Watch, 
  from Friday morning through Monday morning.

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

* ADDITIONAL DETAILS...Snow levels are likely to drop to around
  1500 feet, at times, during periods of moderate to heavy 
  precipitation on Christmas Eve into Christmas Day. There is 
  growing confidence that snow levels will fall further with 
  greater accumulation and impacts on the 26th and 27th.

* 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-ORZ029>031-240000-
/O.CON.KMFR.WW.Y.0034.000000T0000Z-211224T1200Z/
Modoc County-Klamath Basin-
Northern and Eastern Klamath County and Western Lake County-
Central and Eastern Lake County-
Including the cities of Bly, Chemult, Crescent, Gilchrist, 
Lakeview, and Valley Falls
538 AM PST Thu Dec 23 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
FRIDAY...

* WHAT...Snow. Additional snow accumulations of 2 to 6 inches.
  Wind could gusts as high as 35 mph in exposed locations,
  especially in the Warner Mountains leading to some blowing and
  drifting snow and limited visibilities, at times.

* WHERE...In Modoc County, California, portions of Highway 139
  between Tionesta and Adin, portions of Highway 299 between
  Alturas and Cedar Pass, and Highway 395 north of Alturas. In
  Oregon, portions of Highway 97 from around Modoc Point northward
  to Gilchrist, and portions of Highway 140 between Dairy and 
  Adel, including Lakeview.

* WHEN...Until 4 AM PST Friday.

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

* ADDITIONAL DETAILS...Two rounds of snowfall are expected. The
  first will be this morning. The second is expected mainly this
  evening through early Friday 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 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.

&&

$$
BTL
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 21, 3:24 AM PSTWind AdvisoryMFRSiskiyou42 hr
Dec 21, 4:11 AM PSTWinter Weather AdvisoryMFRModoc, Siskiyou72 hr
Dec 21, 2:39 AM PSTHazardous Seas WarningMFR46 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.