Alert archive / California / Winter Storm Watches in 2021
Winter Storm Watch 8, NWS Eureka, CA
NWS Eureka, CA issued this winter storm watch at Dec 20, 2021, 2:24 AM PST. It took effect at Dec 22, 2021, 1:00 PM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 20, 2021, 2:24 AM PST (10:24 UTC)
- In effect from
- Dec 22, 2021, 1:00 PM PST
- Expired
- Dec 21, 2021, 1:40 PM PST
- In force
- Issued by
- NWS Eureka, CA
The text
As transmitted.
219 WWUS46 KEKA 201024 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 224 AM PST Mon Dec 20 2021 ...Quick-hitting Winter Storm to bring Tricky Travel Conditions in Trinity County on Tuesday... ...Heavy snowfall expected above 3500ft in Trinity County late Wednesday and Thursday... .The first in several rounds of precipitation expected to impact northwest California through the holiday weekend will arrive in Trinity County Tuesday. Snow levels will start around 2500ft and rise to around 3500ft overnight. A dusting is possible at locations as low as Weaverville, but most light snow will fall above 3000ft. Precipitation will taper off early Wednesday. Snow levels are expected to be mainly above 4000ft with the next round of precipitation late Wednesday into Thursday, before much colder air begins flowing in late Thursday through the weekend. CAZ107-201830- /O.NEW.KEKA.WS.A.0008.211222T1800Z-211223T1800Z/ /O.EXT.KEKA.WW.Y.0023.211221T1800Z-211222T0600Z/ Northern Trinity- 224 AM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 10 AM TO 10 PM PST TUESDAY ABOVE 2500 FEET... ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING ABOVE 3500 FEET... * WHAT...For the Winter Weather Advisory above 2500 feet, wet snow expected. Total snow accumulations of 3 to 6 inches. For the Winter Storm Watch above 3500 feet, heavy snow possible. Total snow accumulations of 7 to 14 inches possible. * WHERE...Northern Trinity County. * WHEN...For the Winter Weather Advisory, from 10 AM to 10 PM PST Tuesday. For the Winter Storm Watch, from Wednesday morning through Thursday morning. * IMPACTS...Travel could be difficult over mountain passes along Highways 299, 36, and especially 3. Plan on slippery and potentially snow- covered roads. Chains may be required over some mountain passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ108-201830- /O.EXT.KEKA.WW.Y.0023.211221T1800Z-211222T0600Z/ Southern Trinity- 224 AM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 10 AM TO 10 PM PST TUESDAY ABOVE 2500 FEET... * WHAT...Wet snow expected above 2500 feet. Total snow accumulations of 2 to 5 inches. * WHERE...Southern Trinity County. * WHEN...From 10 AM to 10 PM PST Tuesday. * IMPACTS...Travel could be difficult over mountain passes along Highways 3 and 36. Plan on slippery and potentially snow- covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
7 follow-up statements
221 WWUS46 KEKA 201033 AAA WSWEKA URGENT - WINTER WEATHER MESSAGE...UPDATED National Weather Service Eureka CA 233 AM PST Mon Dec 20 2021 ...Quick-hitting Winter Storm to bring Tricky Travel Conditions in Trinity County on Tuesday... ...Heavy Snowfall Expected Above 3500 feet in Trinity County Late Wednesday and Thursday... .The first in several rounds of precipitation expected to impact northwest California through the holiday weekend will arrive in Trinity County Tuesday. Snow levels will start around 2500 feet and rise to around 3500 feet overnight. A dusting is possible at locations as low as Weaverville, but most light snow will fall above 3000 feet. Precipitation will taper off early Wednesday. Snow levels are expected to be mainly above 4000 feet with the next round of precipitation late Wednesday into Thursday, before much colder air begins flowing in late Thursday through the weekend. CAZ107-201845- /O.CON.KEKA.WW.Y.0023.211221T1800Z-211222T0600Z/ /O.CON.KEKA.WS.A.0008.211222T1800Z-211223T1800Z/ Northern Trinity- 233 AM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM PST TUESDAY ABOVE 2500 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING ABOVE 3500 FEET... * WHAT...For the Winter Weather Advisory above 2500 feet, wet snow expected. Total snow accumulations of 3 to 6 inches. For the Winter Storm Watch above 3500 feet, heavy snow possible. Total snow accumulations of 7 to 14 inches possible. * WHERE...Northern Trinity County. * WHEN...For the Winter Weather Advisory, from 10 AM to 10 PM PST Tuesday. For the Winter Storm Watch, from Wednesday morning through Thursday morning. * IMPACTS...Travel could be difficult over mountain passes along Highways 299, 36, and especially 3. Plan on slippery and potentially snow- covered roads. Chains may be required over some mountain passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ108-201845- /O.CON.KEKA.WW.Y.0023.211221T1800Z-211222T0600Z/ Southern Trinity- 233 AM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM PST TUESDAY ABOVE 2500 FEET... * WHAT...Wet snow expected above 2500 feet. Total snow accumulations of 2 to 5 inches. * WHERE...Southern Trinity County. * WHEN...From 10 AM to 10 PM PST Tuesday. * IMPACTS...Travel could be difficult over mountain passes along Highways 3 and 36. Plan on slippery and potentially snow- covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
552 WWUS46 KEKA 201855 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 1055 AM PST Mon Dec 20 2021 ...Quick-hitting Period of Wet Snow will bring Tricky Travel Conditions to some Trinity County Mountain Passes on Tuesday... ...Heavy Snowfall Expected Above 3500 feet in Trinity County Late Wednesday and Thursday... .The first in several rounds of precipitation expected to impact northwest California through the holiday weekend will arrive in Trinity County Tuesday. Snow levels will start around 2500 feet and rise to around 3500 feet Tuesday night. Most snow accumulations are now expected to be limited to elevations above 3000 feet, though some light snow may fall down to 2500 feet initially as the precipitation finally arrives Tuesday afternoon. Precipitation will taper off later Tuesday night. Snow levels are expected to be mainly above 4000 feet with the next round of precipitation late Wednesday into Thursday, before much colder air begins flowing in late Thursday through the weekend. CAZ107-210300- /O.CON.KEKA.WW.Y.0023.211221T1800Z-211222T0600Z/ /O.CON.KEKA.WS.A.0008.211222T1800Z-211223T1800Z/ Northern Trinity- 1055 AM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM PST TUESDAY ABOVE 3000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING ABOVE 3500 FEET... * WHAT...For the Winter Weather Advisory above 3000 feet, wet snow expected. Total snow accumulations of 2 to 5 inches. For the Winter Storm Watch above 3500 feet, heavy snow possible. Total snow accumulations of 7 to 14 inches possible. * WHERE...Northern Trinity County. * WHEN...For the Winter Weather Advisory, from 10 AM to 10 PM PST Tuesday. For the Winter Storm Watch, from Wednesday morning through Thursday morning. * IMPACTS...Travel could be difficult over mountain passes along Highways 299 and especially 3. Plan on slippery and potentially snow- covered roads. Chains may be required over some mountain passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ108-210300- /O.CON.KEKA.WW.Y.0023.211221T1800Z-211222T0600Z/ Southern Trinity- 1055 AM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM PST TUESDAY ABOVE 3000 FEET... * WHAT...Wet snow expected above 3000 feet. Total snow accumulations of 2 to 5 inches. * WHERE...Southern Trinity County. * WHEN...From 10 AM to 10 PM PST Tuesday. * IMPACTS...Travel could be difficult over mountain passes along Highways 3 and 36. Plan on slippery and potentially snow- covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
874 WWUS46 KEKA 202225 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 225 PM PST Mon Dec 20 2021 ...Quick-hitting Period of Wet Snow will bring Tricky Travel Conditions to some Trinity County Mountain Passes above 3000 feet on Tuesday... ...Heavy Snowfall Expected Above 4000 feet in Trinity County Late Wednesday and Thursday... .The first in several rounds of precipitation expected to impact northwest California through the holiday weekend will arrive in Trinity County Tuesday. Snow levels will start around 2500 feet and rise to around 3500 feet Tuesday night. Most snow accumulations are now expected to be limited to elevations above 3000 feet, though some light snow may fall down to 2500 feet initially as the precipitation finally arrives Tuesday afternoon. Precipitation will taper off later Tuesday night. Snow levels are expected to be mainly above 4000 feet with the next round of heavier precipitation Wednesday into Thursday, before much colder air begins flowing in through the weekend. CAZ107-210600- /O.CON.KEKA.WW.Y.0023.211221T1800Z-211222T0600Z/ /O.CON.KEKA.WS.A.0008.211222T1800Z-211223T1800Z/ Northern Trinity- 225 PM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM PST TUESDAY ABOVE 3000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING ABOVE 4000 FEET... * WHAT...For the Winter Weather Advisory above 3000 feet, wet snow expected. Total snow accumulations of 2 to 5 inches. For the Winter Storm Watch above 4000 feet, heavy snow possible. Total snow accumulations of 7 to 12 inches possible. * WHERE...Northern Trinity County. * WHEN...For the Winter Weather Advisory, from 10 AM to 10 PM PST Tuesday. For the Winter Storm Watch, from Wednesday morning through Thursday morning. * IMPACTS...Travel could be difficult over some mountain passes along Highways 3, 36 and 299. Plan on slippery and potentially snow- covered roads, with possible chain restrictions over some passes. On Wednesday and Wednesday Night, travel over Scott Mountain Summit could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ108-210600- /O.CON.KEKA.WW.Y.0023.211221T1800Z-211222T0600Z/ Southern Trinity- 225 PM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM PST TUESDAY ABOVE 3000 FEET... * WHAT...Wet snow expected above 3000 feet. Total snow accumulations of up to 2 to 5 inches. * WHERE...Southern Trinity County. * WHEN...From 10 AM to 10 PM PST Tuesday. * IMPACTS...Travel could be difficult over mountain passes along Highways 3 and 36. Plan on slippery and potentially snow- covered roads, with possible chain restrictions over some passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
426 WWUS46 KEKA 210554 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 954 PM PST Mon Dec 20 2021 ...Quick-hitting period of wet snow will bring slippery travel conditions to some Trinity County mountain passes above 3000 feet on Tuesday... ...Heavy snowfall expected above 4000 feet in Trinity County late Wednesday and Thursday... .The first in several rounds of precipitation expected to impact northwest California through the holiday weekend will arrive in Trinity County on Tuesday. Snow levels will start around 2500 feet and rise to around 3500 feet Tuesday night. Most snow accumulations are now expected to be limited to elevations above 3000 feet, though some light snow may fall down to 2500 feet initially as the precipitation finally arrives Tuesday afternoon. Precipitation will taper off later Tuesday night. Snow levels are expected to be mainly above 4000 feet with the next round of heavier precipitation Wednesday into Thursday, before much colder air begins flowing in through the weekend. CAZ107-211400- /O.CON.KEKA.WW.Y.0023.211221T1800Z-211222T0600Z/ /O.CON.KEKA.WS.A.0008.211222T1800Z-211223T1800Z/ Northern Trinity- 954 PM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM TUESDAY ABOVE 3000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING ABOVE 4000 FEET... * WHAT...For the Winter Weather Advisory above 3000 feet, wet snow expected. Total snow accumulations of 2 to 5 inches. For the Winter Storm Watch above 4000 feet, heavy snow possible. Total snow accumulations of 7 to 12 inches possible. * WHERE...Northern Trinity County. * WHEN...For the Winter Weather Advisory, from 10 AM to 10 PM Tuesday. For the Winter Storm Watch, from Wednesday morning through Thursday morning. * IMPACTS...Travel could be difficult over some mountain passes along Highways 3, 36 and 299. Plan on slippery and potentially snow- covered roads, with possible chain restrictions over some passes. On Wednesday and Wednesday Night, travel over Scott Mountain Summit could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. $$ CAZ108-211400- /O.CON.KEKA.WW.Y.0023.211221T1800Z-211222T0600Z/ Southern Trinity- 954 PM PST Mon Dec 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TO 10 PM TUESDAY ABOVE 3000 FEET... * WHAT...Wet snow expected above 3000 feet. Total snow accumulations of up to 2 to 5 inches. * WHERE...Southern Trinity County. * WHEN...From 10 AM to 10 PM Tuesday. * IMPACTS...Travel could be difficult over mountain passes along Highways 3 and 36. Plan on slippery and potentially snow-covered roads, with possible chain restrictions over some passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS- ROAD. $$
442 WWUS46 KEKA 211045 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 245 AM PST Tue Dec 21 2021 ...MULTIPLE ROUNDS OF MOUNTAIN SNOW EXPECTED DURING THE NEXT WEEK... .The first in several rounds of precipitation will spread across Northwest California today. Snow levels will range from 2500 to 3000 feet across Trinity County this afternoon, and then rise through the evening. Accumulating snowfall will occur as a result leading to travel impacts mainly along highway 3 north of Weaverville. Precipitation will diminish Tuesday night, and then increase once again Wednesday afternoon and evening. Snow levels on Wednesday will generally be above 4000 feet. However, colder air will spread across the region Friday into the weekend and aid in lowering snow levels to 2000 feet across much of Northwest California. CAZ108-211145- /O.CAN.KEKA.WW.Y.0023.211221T1800Z-211222T0600Z/ Southern Trinity- 245 AM PST Tue Dec 21 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... $$ CAZ107-211845- /O.EXT.KEKA.WW.Y.0023.211221T2100Z-211222T0600Z/ /O.EXT.KEKA.WS.A.0008.211222T2100Z-211223T1800Z/ Northern Trinity- 245 AM PST Tue Dec 21 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM PST THIS EVENING ABOVE 3000 FEET... ...WINTER STORM WATCH NOW IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING ABOVE 4000 FEET... * WHAT...For the Winter Weather Advisory above 3000 feet, wet snow expected. Total snow accumulations of up to 4 inches. For the Winter Storm Watch above 4000 feet, heavy snow possible. Total snow accumulations of 5 to 12 inches possible. * WHERE...Northern Trinity County. * WHEN...For the Winter Weather Advisory, from 1 PM this afternoon to 10 PM PST this evening. For the Winter Storm Watch, from Wednesday afternoon through Thursday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
998 WWUS46 KEKA 211448 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 648 AM PST Tue Dec 21 2021 ...MULTIPLE ROUNDS OF MOUNTAIN SNOW EXPECTED DURING THE NEXT WEEK... .The first in several rounds of precipitation will spread across Northwest California today. Snow levels will range from 2500 to 3000 feet across Trinity County this afternoon, and then rise through the evening. Accumulating snowfall will occur as a result leading to travel impacts mainly along highway 3 north of Weaverville. Precipitation will diminish Tuesday night, and then increase once again Wednesday afternoon and evening. Snow levels on Wednesday will generally be above 4000 feet. However, colder air will spread across the region Friday into the weekend and aid in lowering snow levels to 2000 feet across much of Northwest California. CAZ107-212300- /O.CON.KEKA.WW.Y.0023.211221T2100Z-211222T0600Z/ /O.CON.KEKA.WS.A.0008.211222T2100Z-211223T1800Z/ Northern Trinity- 648 AM PST Tue Dec 21 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM PST THIS EVENING ABOVE 3000 FEET... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING ABOVE 4000 FEET... * WHAT...For the Winter Weather Advisory above 3000 feet, wet snow expected. Total snow accumulations of up to 4 inches. For the Winter Storm Watch above 4000 feet, heavy snow possible. Total snow accumulations of 5 to 12 inches possible. * WHERE...Northern Trinity County. * WHEN...For the Winter Weather Advisory, from 1 PM this afternoon to 10 PM PST this evening. For the Winter Storm Watch, from Wednesday afternoon through Thursday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
106 WWUS46 KEKA 212140 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 140 PM PST Tue Dec 21 2021 ...MULTIPLE ROUNDS OF MOUNTAIN SNOW EXPECTED DURING THE NEXT WEEK... .The first of several rounds of precipitation will continue to cross Trinity County through this afternoon into this evening, before tapering off tonight. Snow levels may start off near 2500 to 3000 feet in parts of northeast Trinity County, but are above 3000 feet along the Highway 299 corridor, and will tend to rise tonight. Most Trinity County passes will just have wet road conditions, with travel impacts mainly limited to higher portions of highway 3 north of Weaverville. The next round of precipitation will arrive by late Wednesday afternoon and evening. Snow levels on Wednesday will generally be near or above 4000 feet. However, colder air will spread across the region Friday, with snow levels around 2500 to 3000 feet. Even lower snow levels along with additional precipitation is expected for the weekend across much of Northwest California. CAZ107-220600- /O.UPG.KEKA.WS.A.0008.211222T2100Z-211223T1800Z/ /O.NEW.KEKA.WS.W.0009.211222T2100Z-211223T1800Z/ /O.CON.KEKA.WW.Y.0023.000000T0000Z-211222T0600Z/ Northern Trinity- 140 PM PST Tue Dec 21 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3000 FEET... ...WINTER STORM WARNING IN EFFECT FROM 1 PM WEDNESDAY TO 10 AM PST THURSDAY ABOVE 4000 FEET... * WHAT...For the Winter Storm Warning above 4000 feet, heavy snow expected. Total snow accumulations of 6 to 12 inches, with higher amounts in the Trinity Alps. For the Winter Weather Advisory above 3000 feet, expect periods of wet snow with additional snow accumulations of 1 to 4 inches. * WHERE...Northern Trinity County. * WHEN...For the Winter Storm Warning, from 1 PM Wednesday to 10 AM PST Thursday. For the Winter Weather Advisory, until 10 PM PST this evening. * IMPACTS...Travel could be difficult over some mountain passes along Highways 3. Plan on slippery and potentially snow- covered roads, and carry chains. On Wednesday and Wednesday Night, travel over Scott Mountain Summit could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 2:32 PM PST | Hazardous Seas Warning | EKA | 27 hr |
Nearby
Winter Storm Watches in California, 2021Every winter storm watch 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.