Alert archive / California / Winter Storm Warnings in 2021
Winter Storm Warning 7, NWS Medford, OR
NWS Medford, OR issued this winter storm warning at Mar 8, 2021, 3:40 AM PST for Siskiyou County, California. It took effect at Mar 8, 2021, 4:00 PM PST. It was in force for 42 hr. 3 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
- Mar 8, 2021, 3:40 AM PST (11:40 UTC)
- In effect from
- Mar 8, 2021, 4:00 PM PST
- Expired
- Mar 10, 2021, 10:00 AM PST
- In force
- 42 hr
- Issued by
- NWS Medford, OR
County Siskiyou County, CA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 10, 3:00 AM PST | HEAVY SNOW 8 | Mount Shasta, CA | |
| Mar 10, 5:07 AM PST | HEAVY SNOW 16 | 2 Ssw Weed, CA | |
| Mar 10, 7:30 AM PST | HEAVY SNOW 13 | 2 Ssw Weed, CA | UPDATE/CORRECTION OF PREVIOUS REPORT. 12 TO 14 INCHES OF SNOW OVERNIGHT BETWEEN 2100 PST AND 0700 PST. RATES WELL OVER AN INCH AN HOUR. ELEVATION 3850 FEET. |
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 00:00Z, 11.7 hours before the alert went out and 89 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1971 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
294 WWUS46 KMFR 081140 WSWMFR URGENT - WINTER WEATHER MESSAGE National Weather Service Medford OR 340 AM PST Mon Mar 8 2021 CAZ082-083-090000- /O.NEW.KMFR.WS.W.0007.210309T0000Z-210310T1800Z/ /O.EXT.KMFR.WW.Y.0023.210309T0000Z-210310T1800Z/ South Central Siskiyou County- North Central and Southeast Siskiyou County- Including the cities of Dunsmuir, McCloud, Mount Shasta, and Pondosa 340 AM PST Mon Mar 8 2021 ...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM PST WEDNESDAY ABOVE 4000 FEET... ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM PST WEDNESDAY BELOW 4000 FEET... * WHAT...For the Winter Storm Warning above 4000 feet, periods of moderate to heavy snow expected. Total snow accumulations of 10 to 20 inches. Winds could gust up to 35 mph. For the Winter Weather Advisory below 4000 feet, snow expected. Total snow accumulations of 5 to 10 inches. * WHERE...For the Winter Storm Warning above 4000 feet, Highway 89 at Snowmans Summit and also the Mount Shasta Ski Park road. For the Winter Weather Advisory below 4000 feet, Mount Shasta City, Dunsmuir, McCloud and areas south of Tenant. This includes Interstate 5 and the remainder of Highway 89 to Pondosa. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. Travel could be very difficult on roadways above 4000 feet. Worst conditions are likely tonight into Tuesday morning and then again Tuesday night into Wednesday morning. Since it is early March, expect some melting of the snow during the late morning and afternoon Tuesday, especially at elevations below 4000 feet. * ADDITIONAL DETAILS...During periods of heavier snow, snowfall rates could reach up to an inch per hour. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ CAZ080-090000- /O.EXA.KMFR.WW.Y.0023.210309T0000Z-210310T1200Z/ Western Siskiyou County- Including the cities of Callahan, Etna, Fort Jones, Greenview, Scott Bar, and Somes Bar 340 AM PST Mon Mar 8 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST WEDNESDAY ABOVE 2000 FEET... * WHAT...Snow expected above 2000 feet. For elevations down around 2000 feet, total snow accumulations of 1 to 3 inches. Snow amounts of 6 to 10 inches above 4000 feet. * WHERE...Western Siskiyou County, including Sawyers Bar Road between Etna and Somes Bar, portions of Highway 96 west of Klamath River to near Happy Camp, and also portions of Highway 3 south of Fort Jones, but especially at Scott Mountain Summit south of Callahan. * WHEN...From 4 PM this afternoon to 4 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... * Slow down and allow extra time to reach your destination. * Carry tire chains and be prepared for snow covered roads and limited visibilities. * See http://quickmap.dot.ca.gov for latest road conditions. * A Winter Weather Advisory for snow means that periods of snow will cause travel difficulties. && $$ Visit us at https://www.weather.gov/Medford
8 follow-up statements
737 WWUS46 KMFR 082227 WSWMFR URGENT - WINTER WEATHER MESSAGE National Weather Service Medford OR 227 PM PST Mon Mar 8 2021 CAZ082-083-091130- /O.CON.KMFR.WS.W.0007.210309T0000Z-210310T1800Z/ /O.CON.KMFR.WW.Y.0023.210309T0000Z-210310T1800Z/ South Central Siskiyou County- North Central and Southeast Siskiyou County- Including the cities of Dunsmuir, McCloud, Mount Shasta, and Pondosa 227 PM PST Mon Mar 8 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY ABOVE 4000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY BELOW 4000 FEET... * WHAT...For the Winter Storm Warning above 4000 feet, periods of moderate to heavy snow expected. Total snow accumulations of 10 to 25 inches. Winds could gust up to 35 mph. For the Winter Weather Advisory below 4000 feet, snow expected. Total snow accumulations of 5 to 12 inches. * WHERE...For the Winter Storm Warning above 4000 feet, Highway 89 at Snowmans Summit and also the Mount Shasta Ski Park road. For the Winter Weather Advisory below 4000 feet, Mount Shasta City, Dunsmuir, McCloud and areas south of Tenant. This includes Interstate 5 and the remainder of Highway 89 to Pondosa. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. Travel could be very difficult on roadways above 4000 feet. Worst conditions are likely tonight into Tuesday morning and then again Tuesday night into Wednesday morning. Since it is early March, expect some melting of the snow during the late morning and afternoon Tuesday, especially at elevations below 4000 feet. * ADDITIONAL DETAILS...During periods of heavier snow, snowfall rates could reach up to an inch per hour. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ CAZ080-091130- /O.CON.KMFR.WW.Y.0023.210309T0000Z-210310T1200Z/ Western Siskiyou County- Including the cities of Callahan, Etna, Fort Jones, Greenview, Scott Bar, and Somes Bar 227 PM PST Mon Mar 8 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY ABOVE 2000 FEET... * WHAT...Snow expected above 2000 feet. For elevations down around 2000 feet, total snow accumulations of 1 to 3 inches. Snow amounts of 6 to 13 inches above 4000 feet. * WHERE...Western Siskiyou County, including Sawyers Bar Road between Etna and Somes Bar, portions of Highway 96 west of Klamath River to near Happy Camp, and also portions of Highway 3 south of Fort Jones, but especially at Scott Mountain Summit south of Callahan. * WHEN...From 4 PM this afternoon to 4 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... * Slow down and allow extra time to reach your destination. * Carry tire chains and be prepared for snow covered roads and limited visibilities. * See http://quickmap.dot.ca.gov for latest road conditions. * A Winter Weather Advisory for snow means that periods of snow will cause travel difficulties. && $$ Visit us at https://www.weather.gov/Medford
924 WWUS46 KMFR 090522 WSWMFR URGENT - WINTER WEATHER MESSAGE National Weather Service Medford OR 922 PM PST Mon Mar 8 2021 ...Snow levels falling into the 1500 to 2000 foot range in Josephine and Curry counties tonight into Tuesday morning... .Showers and thunderstorms along and near the coast are expected to continue to push inland as showers into the Coastal Mountains and Josephine County tonight into Tuesday morning as snow levels fall into the 1500 to 2000 foot range. In addition to existing winter weather headlines in Siskiyou County, some light snow accumulations are possible along Highway 199 at Hayes Hill and in Canyon Mountain and Sexton Summit areas along Interstate 5. CAZ082-083-091800- /O.CON.KMFR.WS.W.0007.000000T0000Z-210310T1800Z/ /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1800Z/ South Central Siskiyou County- North Central and Southeast Siskiyou County- Including the cities of Dunsmuir, McCloud, Mount Shasta, and Pondosa 922 PM PST Mon Mar 8 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY ABOVE 4000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY BELOW 4000 FEET... * WHAT...For the Winter Storm Warning above 4000 feet, periods of moderate to heavy snow expected. Total snow accumulations of 10 to 25 inches. Winds could gust up to 35 mph. For the Winter Weather Advisory below 4000 feet, snow expected. Total snow accumulations of 5 to 12 inches. * WHERE...For the Winter Storm Warning above 4000 feet, Highway 89 at Snowmans Summit and also the Mount Shasta Ski Park road. For the Winter Weather Advisory below 4000 feet, Mount Shasta City, Dunsmuir, McCloud and areas south of Tenant. This includes Interstate 5 and the remainder of Highway 89 to Pondosa. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. Travel could be very difficult on roadways above 4000 feet. Worst conditions are likely tonight into Tuesday morning and then again Tuesday night into Wednesday morning. Since it is early March, expect some melting of the snow during the late morning and afternoon Tuesday, especially at elevations below 4000 feet. * ADDITIONAL DETAILS...During periods of heavier snow, snowfall rates could reach up to an inch per hour. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ ORZ024-091800- /O.EXB.KMFR.WW.Y.0023.210309T0600Z-210309T1800Z/ Eastern Curry County and Josephine County- 922 PM PST Mon Mar 8 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST TUESDAY MAINLY ABOVE 2000 FEET... * WHAT...Wet snow expected mainly above 2000 feet, but also at Hayes Hill and Sexton Summit. Total snow accumulations of 1 to 3 inches expected above 1500 feet to below 2500 foot elevations. 3 to as much as 8 inches of new snow is expected above 2500 feet, especially in the Kalmiopsis Wilderness and in the Curry County Coastal Mountains. * WHERE...Eastern Curry County and Josephine County including the Canyon Mountain and Sexton passes on Interstate 5, as well as at Hayes Hill on Highway 199. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel, at times. Be prepared for the possibility of wintry travel if traveling in the above mentioned areas late tonight into Tuesday morning. Road temperatures are expected to warm and road impacts are likely to diminish as it gets later Tuesday morning due to the higher sun angle this time of the year. * ADDITIONAL DETAILS...During periods of heavier snow, snowfall rates could reach up to a half an inch per hour. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... * Slow down and allow extra time to reach your destination. * Carry tire chains and be prepared for snow covered roads and limited visibilities. * See https://www.tripcheck.com for latest road conditions. * A Winter Weather Advisory for snow means that periods of snow will cause travel difficulties. && $$ CAZ080-091800- /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1200Z/ Western Siskiyou County- Including the cities of Callahan, Etna, Fort Jones, Greenview, Scott Bar, and Somes Bar 922 PM PST Mon Mar 8 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY ABOVE 2000 FEET... * WHAT...Snow expected above 2000 feet. For elevations down around 2000 feet, total snow accumulations of 1 to 3 inches. Snow amounts of 6 to 13 inches above 4000 feet. * WHERE...Western Siskiyou County, including Sawyers Bar Road between Etna and Somes Bar, portions of Highway 96 west of Klamath River to near Happy Camp, and also portions of Highway 3 south of Fort Jones, but especially at Scott Mountain Summit south of Callahan. * WHEN...From 4 PM this afternoon to 4 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ BTL Visit us at https://www.weather.gov/Medford
379 WWUS46 KMFR 090816 WSWMFR URGENT - WINTER WEATHER MESSAGE National Weather Service Medford OR 1216 AM PST Tue Mar 9 2021 ...Snow levels falling into the 1500 to 2000 foot range in Josephine, Curry, and Southwestern Douglas counties into Tuesday morning... .Showers and thunderstorms along and near the coast are expected to continue to push inland as showers into the Coastal Mountains and Josephine County into Tuesday morning as snow levels fall into the 1500 to 2000 foot range. In addition to existing winter weather headlines in Siskiyou County, some light snow accumulations are possible along Highway 42 at Camas Mountain, Highway 199 at Hayes Hill and in Canyon Mountain and Sexton Summit areas along Interstate 5. CAZ082-083-091815- /O.CON.KMFR.WS.W.0007.000000T0000Z-210310T1800Z/ /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1800Z/ South Central Siskiyou County- North Central and Southeast Siskiyou County- Including the cities of Dunsmuir, McCloud, Mount Shasta, and Pondosa 1216 AM PST Tue Mar 9 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY ABOVE 4000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY BELOW 4000 FEET... * WHAT...For the Winter Storm Warning above 4000 feet, periods of moderate to heavy snow expected. Total snow accumulations of 10 to 25 inches. Winds could gust up to 35 mph. For the Winter Weather Advisory below 4000 feet, snow expected. Total snow accumulations of 5 to 12 inches. * WHERE...For the Winter Storm Warning above 4000 feet, Highway 89 at Snowmans Summit and also the Mount Shasta Ski Park road. For the Winter Weather Advisory below 4000 feet, Mount Shasta City, Dunsmuir, McCloud and areas south of Tenant. This includes Interstate 5 and the remainder of Highway 89 to Pondosa. * WHEN...Until 10 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. Travel could be very difficult on roadways above 4000 feet. Worst conditions are likely tonight into Tuesday morning and then again Tuesday night into Wednesday morning. Since it is early March, expect some melting of the snow during the late morning and afternoon Tuesday, especially at elevations below 4000 feet. * ADDITIONAL DETAILS...During periods of heavier snow, snowfall rates could reach up to an inch per hour. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ ORZ023-091500- /O.EXB.KMFR.WW.Y.0023.000000T0000Z-210309T1500Z/ Central Douglas County- 1216 AM PST Tue Mar 9 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 AM PST THIS MORNING ABOVE 1500 FEET... * WHAT...Wet snow above 1500 feet. Snow accumulations of up to two inches. * WHERE...Central Douglas County including Highway 42 at Camas Mountain. * WHEN...Until 7 AM PST this morning. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. * ADDITIONAL DETAILS...Some snow is also possible at Canyon Mountain Pass on Interstate 5 but precipitation will be lighter and impacts are not expected to be signficant. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ CAZ080-091815- /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1200Z/ Western Siskiyou County- Including the cities of Callahan, Etna, Fort Jones, Greenview, Scott Bar, and Somes Bar 1216 AM PST Tue Mar 9 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY ABOVE 2000 FEET... * WHAT...Snow expected above 2000 feet. For elevations down around 2000 feet, total snow accumulations of 1 to 3 inches. Snow amounts of 6 to 13 inches above 4000 feet. * WHERE...Western Siskiyou County, including Sawyers Bar Road between Etna and Somes Bar, portions of Highway 96 west of Klamath River to near Happy Camp, and also portions of Highway 3 south of Fort Jones, but especially at Scott Mountain Summit south of Callahan. * WHEN...Until 4 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... * Slow down and allow extra time to reach your destination. * Carry tire chains and be prepared for snow covered roads and limited visibilities. * See http://quickmap.dot.ca.gov for latest road conditions. * A Winter Weather Advisory for snow means that periods of snow will cause travel difficulties. && $$ ORZ024-091800- /O.CON.KMFR.WW.Y.0023.000000T0000Z-210309T1800Z/ Eastern Curry County and Josephine County- 1216 AM PST Tue Mar 9 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 2000 FEET... * WHAT...Wet snow expected mainly above 2000 feet, but also at Hayes Hill and Sexton Summit. Total snow accumulations of 1 to 3 inches expected above 1500 feet to below 2500 foot elevations. 3 to as much as 8 inches of new snow is expected above 2500 feet, especially in the Kalmiopsis Wilderness and in the Curry County Coastal Mountains. * WHERE...Eastern Curry County and Josephine County including the Canyon Mountain and Sexton passes on Interstate 5, as well as at Hayes Hill on Highway 199. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel, at times. Be prepared for the possibility of wintry travel if traveling in the above mentioned areas late tonight into Tuesday morning. Road temperatures are expected to warm and road impacts are likely to diminish as it gets later Tuesday morning due to the higher sun angle this time of the year. * ADDITIONAL DETAILS...During periods of heavier snow, snowfall rates could reach up to a half an inch per hour. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ Visit us at https://www.weather.gov/Medford
499 WWUS46 KMFR 091500 WSWMFR URGENT - WINTER WEATHER MESSAGE National Weather Service Medford OR 700 AM PST Tue Mar 9 2021 ORZ023-091600- /O.EXP.KMFR.WW.Y.0023.000000T0000Z-210309T1500Z/ Central Douglas County- 700 AM PST Tue Mar 9 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 7 AM PST THIS MORNING ABOVE 1500 FEET... Some snow showers are expected this morning but will mix with rain with slight warming. $$ CAZ082-083-092300- /O.CON.KMFR.WS.W.0007.000000T0000Z-210310T1800Z/ /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1800Z/ South Central Siskiyou County- North Central and Southeast Siskiyou County- Including the cities of Dunsmuir, McCloud, Mount Shasta, and Pondosa 700 AM PST Tue Mar 9 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY ABOVE 4000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY BELOW 4000 FEET... * WHAT...For the Winter Storm Warning above 4000 feet, periods of moderate to heavy snow expected. Total snow accumulations of 10 to 25 inches. Winds could gust up to 35 mph. For the Winter Weather Advisory below 4000 feet, snow expected. Total snow accumulations of 5 to 12 inches. * WHERE...For the Winter Storm Warning above 4000 feet, Highway 89 at Snowmans Summit and also the Mount Shasta Ski Park road. For the Winter Weather Advisory below 4000 feet, Mount Shasta City, Dunsmuir, McCloud and areas south of Tenant. This includes Interstate 5 and the remainder of Highway 89 to Pondosa. * WHEN...Until 10 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. Travel could be very difficult on roadways above 4000 feet. Worst conditions are likely early this morning and then again tonight into Wednesday morning. Since it is early March, expect some melting of the snow during the late morning and afternoon, especially at elevations below 4000 feet. * ADDITIONAL DETAILS...During periods of heavier snow, snowfall rates could reach up to an inch per hour. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ CAZ080-092300- /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1200Z/ Western Siskiyou County- Including the cities of Callahan, Etna, Fort Jones, Greenview, Scott Bar, and Somes Bar 700 AM PST Tue Mar 9 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY ABOVE 2000 FEET... * WHAT...Snow expected above 2000 feet. For elevations down around 2000 feet, total snow accumulations of 1 to 3 inches. Snow amounts of 6 to 13 inches above 4000 feet. * WHERE...Western Siskiyou County, including Sawyers Bar Road between Etna and Somes Bar, portions of Highway 96 west of Klamath River to near Happy Camp, and also portions of Highway 3 south of Fort Jones, but especially at Scott Mountain Summit south of Callahan. * WHEN...Until 4 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. Worst conditions are likely early this morning and then again tonight into Wednesday morning. Since it is early March, expect some melting of the snow during the late morning and afternoon, especially at elevations below 4000 feet. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... * Slow down and allow extra time to reach your destination. * Carry tire chains and be prepared for snow covered roads and limited visibilities. * See http://quickmap.dot.ca.gov for latest road conditions. * A Winter Weather Advisory for snow means that periods of snow will cause travel difficulties. && $$ ORZ024-091800- /O.CON.KMFR.WW.Y.0023.000000T0000Z-210309T1800Z/ Eastern Curry County and Josephine County- 700 AM PST Tue Mar 9 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 2000 FEET... * WHAT...Wet snow expected mainly above 2000 feet, but also at Hayes Hill and Sexton Summit. An inch of accumulation is expected this morning. 3 to as much as 8 inches of new snow is expected above 2500 feet, especially in the Kalmiopsis Wilderness and in the Curry County Coastal Mountains. * WHERE...Eastern Curry County and Josephine County including the Canyon Mountain and Sexton passes on Interstate 5, as well as at Hayes Hill on Highway 199. * WHEN...Until 10 AM PST this morning. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel, at times. Be prepared for the possibility of wintry travel if traveling in the above mentioned areas this morning. Road temperatures are expected to warm and road impacts are likely to diminish as it gets later this morning due to the higher sun angle this time of the year. * ADDITIONAL DETAILS...During periods of heavier snow, snowfall rates could reach up to a half an inch per hour. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ Visit us at https://www.weather.gov/Medford
671 WWUS46 KMFR 091759 WSWMFR URGENT - WINTER WEATHER MESSAGE National Weather Service Medford OR 959 AM PST Tue Mar 9 2021 ORZ024-091900- /O.EXP.KMFR.WW.Y.0023.000000T0000Z-210309T1800Z/ Eastern Curry County and Josephine County- 959 AM PST Tue Mar 9 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING ABOVE 2000 FEET... Snow levels are rising above impact areas this afternoon, and showers will diminish tonight. $$ CAZ082-083-101200- /O.CON.KMFR.WS.W.0007.000000T0000Z-210310T1800Z/ /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1800Z/ South Central Siskiyou County- North Central and Southeast Siskiyou County- Including the cities of Dunsmuir, McCloud, Mount Shasta, and Pondosa 959 AM PST Tue Mar 9 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY ABOVE 4000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY BELOW 4000 FEET... * WHAT...For the Winter Storm Warning above 4000 feet, periods of moderate to heavy snow expected. Total snow accumulations of 10 to 15 inches. Winds could gust up to 35 mph. For the Winter Weather Advisory below 4000 feet, snow expected. Total snow accumulations up to 6 inches. * WHERE...For the Winter Storm Warning above 4000 feet, Highway 89 at Snowmans Summit and also the Mount Shasta Ski Park road. For the Winter Weather Advisory below 4000 feet, Mount Shasta City, Dunsmuir, McCloud and areas south of Tenant. This includes Interstate 5 and the remainder of Highway 89 to Pondosa. * WHEN...Until 10 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. Travel could be very difficult on roadways above 4000 feet. Worst conditions are likely tonight into Wednesday morning. Since it is early March, expect some melting of the snow during the late morning and afternoon, especially at elevations below 4000 feet. * ADDITIONAL DETAILS...During periods of heavier snow, snowfall rates could reach up to an inch per hour. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ CAZ080-101200- /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1200Z/ Western Siskiyou County- Including the cities of Callahan, Etna, Fort Jones, Greenview, Scott Bar, and Somes Bar 959 AM PST Tue Mar 9 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY ABOVE 2000 FEET... * WHAT...Snow expected above 2000 feet. For elevations down around 2000 feet, additional snow accumulations of 1 to 3 inches. Additional snow amounts up to 6 inches above 4000 feet. * WHERE...Western Siskiyou County, including Sawyers Bar Road between Etna and Somes Bar, portions of Highway 96 west of Klamath River to near Happy Camp, and also portions of Highway 3 south of Fort Jones, but especially at Scott Mountain Summit south of Callahan. * WHEN...Until 4 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. Worst conditions are likely tonight into Wednesday morning. Since it is early March, expect some melting of the snow during the late morning and afternoon, especially at elevations below 4000 feet. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... * Slow down and allow extra time to reach your destination. * Carry tire chains and be prepared for snow covered roads and limited visibilities. * See http://quickmap.dot.ca.gov for latest road conditions. * A Winter Weather Advisory for snow means that periods of snow will cause travel difficulties. && $$ Visit us at https://www.weather.gov/Medford
861 WWUS46 KMFR 100414 WSWMFR URGENT - WINTER WEATHER MESSAGE National Weather Service Medford OR 814 PM PST Tue Mar 9 2021 CAZ082-083-101200- /O.CON.KMFR.WS.W.0007.000000T0000Z-210310T1800Z/ /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1800Z/ South Central Siskiyou County- North Central and Southeast Siskiyou County- Including the cities of Dunsmuir, McCloud, Mount Shasta, and Pondosa 814 PM PST Tue Mar 9 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY ABOVE 4000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY BELOW 4000 FEET... * WHAT...For the Winter Storm Warning above 4000 feet, periods of moderate to heavy snow. Additional snow accumulations of 6 to 10 inches. For the Winter Weather Advisory below 4000 feet, snow expected. Additional snow accumulations of 3 to 6 inches. * WHERE...For the Winter Storm Warning above 4000 feet, Highway 89 at Snowmans Summit and also the Mount Shasta Ski Park road. For the Winter Weather Advisory below 4000 feet, Mount Shasta City, Dunsmuir, McCloud and areas south of Tenant. This includes Interstate 5 and the remainder of Highway 89 to Pondosa. * WHEN...Until 10 AM PST Wednesday. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. Travel could be very difficult on roadways above 4000 feet. Worst conditions are likely tonight into Wednesday morning. Melting on roadways should occur Wednesday afternoon. * ADDITIONAL DETAILS...Snowfall rates of 1 to 2 inches per hour are possible between now and midnight with periods of snow continuing, but tapering off after midnight. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ CAZ081-101200- /O.EXA.KMFR.WW.Y.0023.000000T0000Z-210310T1800Z/ Central Siskiyou County- Including the city of Weed 814 PM PST Tue Mar 9 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST WEDNESDAY... * WHAT...Snow expected. Snow accumulations of 1 to 3 inches. * WHERE...Central Siskiyou County, mainly from Gazelle southward to Weed. * WHEN...Until 10 AM PST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... * Slow down and allow extra time to reach your destination. * Carry tire chains and be prepared for snow covered roads and limited visibilities. * See http://quickmap.dot.ca.gov for latest road conditions. * A Winter Weather Advisory for snow means that periods of snow will cause travel difficulties. && $$ CAZ080-101200- /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1200Z/ Western Siskiyou County- Including the cities of Callahan, Etna, Fort Jones, Greenview, Scott Bar, and Somes Bar 814 PM PST Tue Mar 9 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY ABOVE 2000 FEET... * WHAT...Periods of snow above 2000 feet. Additional snow accumulations of 1 to 4 inches, highest in the mountains above 4000 feet. * WHERE...Western Siskiyou County, including Sawyers Bar Road between Etna and Somes Bar, portions of Highway 96 west of Klamath River to near Happy Camp, and also portions of Highway 3 south of Fort Jones, but especially at Scott Mountain Summit south of Callahan. * WHEN...Until 4 AM PST Wednesday. * IMPACTS...Plan on slippery road conditions. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ Visit us at https://www.weather.gov/Medford
336 WWUS46 KMFR 101155 WSWMFR URGENT - WINTER WEATHER MESSAGE National Weather Service Medford OR 355 AM PST Wed Mar 10 2021 CAZ080-101300- /O.EXP.KMFR.WW.Y.0023.000000T0000Z-210310T1200Z/ Western Siskiyou County- Including the cities of Callahan, Etna, Fort Jones, Greenview, Scott Bar, and Somes Bar 355 AM PST Wed Mar 10 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING ABOVE 2000 FEET... Snowfall is diminishing this morning. $$ CAZ082-083-101800- /O.CON.KMFR.WS.W.0007.000000T0000Z-210310T1800Z/ /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1800Z/ South Central Siskiyou County- North Central and Southeast Siskiyou County- Including the cities of Dunsmuir, McCloud, Mount Shasta, and Pondosa 355 AM PST Wed Mar 10 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 4000 FEET... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING BELOW 4000 FEET... * WHAT...For the Winter Storm Warning above 4000 feet, periods of moderate to heavy snow. Additional snow accumulations of 2 to 4 inches. For the Winter Weather Advisory below 4000 feet, snow expected. Additional snow accumulations of 1 to 2 inches. * WHERE...For the Winter Storm Warning above 4000 feet, Highway 89 at Snowmans Summit and also the Mount Shasta Ski Park road. For the Winter Weather Advisory below 4000 feet, Mount Shasta City, Dunsmuir, McCloud and areas south of Tenant. This includes Interstate 5 and the remainder of Highway 89 to Pondosa. * WHEN...Until 10 AM PST this morning. * IMPACTS...Snow covered and slushy roads along with reduced visibility could cause difficult travel. Travel could be very difficult on roadways above 4000 feet. Worst conditions are likely early this morning with some improvement mid morning. Melting on roadways should occur Wednesday afternoon. * ADDITIONAL DETAILS...Heaviest snowfall will be ending between 4 and 6 AM PST this morning. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD 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. && $$ CAZ081-101800- /O.CON.KMFR.WW.Y.0023.000000T0000Z-210310T1800Z/ Central Siskiyou County- Including the city of Weed 355 AM PST Wed Mar 10 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow expected. Additional snow accumulations of around an inch. * WHERE...Central Siskiyou County, mainly from Gazelle southward to Weed. This includes Interstate 5. * WHEN...Until 10 AM PST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... * Slow down and allow extra time to reach your destination. * Carry tire chains and be prepared for snow covered roads and limited visibilities. * See http://quickmap.dot.ca.gov for latest road conditions. * A Winter Weather Advisory for snow means that periods of snow will cause travel difficulties. && $$ Visit us at https://www.weather.gov/Medford
384 WWUS46 KMFR 101755 WSWMFR URGENT - WINTER WEATHER MESSAGE National Weather Service Medford OR 955 AM PST Wed Mar 10 2021 CAZ082-083-101900- /O.EXP.KMFR.WS.W.0007.000000T0000Z-210310T1800Z/ /O.EXP.KMFR.WW.Y.0023.000000T0000Z-210310T1800Z/ South Central Siskiyou County- North Central and Southeast Siskiyou County- Including the cities of Dunsmuir, McCloud, Mount Shasta, and Pondosa 955 AM PST Wed Mar 10 2021 ...WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING ABOVE 4000 FEET... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING BELOW 4000 FEET... The heavy snow has ended, but light snow showers will continue into Wednesday night. $$ CAZ081-101900- /O.EXP.KMFR.WW.Y.0023.000000T0000Z-210310T1800Z/ Central Siskiyou County- Including the city of Weed 955 AM PST Wed Mar 10 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING... The heavy snow has ended, but light snow showers will continue into Wednesday night. $$ Visit us at https://www.weather.gov/Medford
Nearby
Winter 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.