Alert archive / California / Winter Storm Warnings in 2021
Winter Storm Warning 10, NWS Eureka, CA
NWS Eureka, CA issued this winter storm warning at Dec 23, 2021, 1:17 PM PST for 5 counties in California. It took effect at Dec 24, 2021, 10:00 AM PST. It was in force for 3 days. 36 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 23, 2021, 1:17 PM PST (21:17 UTC)
- In effect from
- Dec 24, 2021, 10:00 AM PST
- Expired
- Dec 27, 2021, 10:00 AM PST
- In force
- 3 days
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Lake County, CA, Mendocino County, CA, Trinity County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 75 km from the middle of the area, began a volume at 21:19 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 25, 8:04 AM PST | SNOW 4 | 4 Wsw Dinsmore, CA | FOUR INCHES OF SNOW AT AN ELEVATION OF 2700 FEET. SNOW BEGAN AT MIDNIGHT ON 12/25/2021. |
| Dec 25, 10:30 AM PST | SNOW 8 | 9 Nw Dos Rios, CA | SNOW BEGAN AT 4 PM ON 12/24/2021. ELEVATION OF THE REPORT IS 3750 FEET. |
| Dec 25, 11:08 AM PST | SNOW 9 | 2 Wnw Ruth, CA | SNOW OCCURRED FROM 6PM ON 12/24/2021 TO 9AM ON 12/25/2021. ELEVATION OF THE REPORT IS 3000 FEET. |
| Dec 25, 6:00 PM PST | SNOW 7 | 2 Wnw Ruth, CA | STATION ELEVATION: 3099 FT. |
| Dec 26, 4:00 AM PST | SNOW 0.5 | 2 N Blue Lake, CA | STATION ELEVATION: 840 FT. |
| Dec 26, 6:00 AM PST | SNOW 0.5 | 1 E Arcata, CA | ELEVATION: 790 FEET. |
| Dec 26, 6:27 AM PST | SNOW 4 | 2 Nnw Cobb, CA | SNOWED OFF AND ON ALL DAY DEC 25, STARTED STICKING AROUND 6:45 PM THEN 4 IN ACCUMULATED OVERNIGHT. STATION ELEVATION: 3186 FT. |
| Dec 26, 8:00 AM PST | SNOW 2 | 1 Wsw Gasquet, CA | SOCIAL MEDIA REPORT OF 2 INCHES OF SNOW FELL FROM 10 P.M. ON 12/25 TO 8 A.M. ON 12/26 (10-HOUR DURATION) IN GASQUET. ELEVATION OF 380 FEET. |
| Dec 26, 8:00 AM PST | SNOW 2 | 7 Nw Potter Valley, CA | SOCIAL MEDIA REPORT OF 2.0 INCHES FELL OFF AND ON FROM 7 P.M. ON 12/25 TO 8 A.M. ON 12/16 AT AN ELEVATION OF 2,084 FEET 7.4 MILES EAST OF WILLITS, CA. |
| Dec 26, 8:12 AM PST | SNOW 6 | 4 Wsw Dinsmore, CA | OVERNIGHT SNOW STATION ELEVATION: 2625 FT. |
| Dec 26, 8:49 AM PST | SNOW 2 | 2 Ne Hidden Valley Lake, CA | |
| Dec 26, 9:00 AM PST | SNOW 10 | 3 W Dinsmore, CA | STILL SNOWING. |
| Dec 26, 9:04 AM PST | SNOW 3 | 2 Nw Big Bar, CA | OVERNIGHT SNOW, STILL SNOWING STATION ELEVATION: 1257 FT. |
| Dec 26, 9:30 AM PST | SNOW 7 | 3 Nnw Willow Creek, CA | ELEVATION: 1400 FEET. |
| Dec 26, 10:00 AM PST | SNOW 16 | 10 W Salyer, CA | OVER THE LAST TWO DAYS STATION ELEVATION: 2821 FT. |
| Dec 26, 11:00 AM PST | SNOW 2 | 4 Nne Cobb, CA | SOCIAL MEDIA REPORT OF 3 INCHES FELL FROM 2 A.M. TO AROUND 11 A.M. (9-HOUR DURATION) AT AN ELEVATION OF 2,300 FEET IN LOCH LOMOND NEAR COBB/KELSEYVILLE. |
| Dec 26, 12:43 PM PST | SNOW 2 | 4 Nnw Willits, CA | |
| Dec 26, 4:30 PM PST | SNOW 5 | 4 Wsw Dinsmore, CA | TRAINED SPOTTER REPORTS 5 INCHES OF NEW SNOW SINCE 8:30 A.M. THIS MORNING. STATION ELEVATION: 2625 FT. |
| Dec 26, 6:00 PM PST | SNOW 6 | 2 Se Kneeland, CA | SOCIAL MEDIA REPORT OF 6 INCHES OF SNOW FELL FROM 5 P.M. ON 12/25 TO 6 P.M ON 12/26 (13-HOUR DURATION) AT AN ELEVATION OF 2,700 FEET IN KNEELAND. |
| Dec 27, 7:00 AM PST | SNOW 0.1 | 1 Sw Laytonville, CA | ELEVATION IS 1647 FEET. |
| Dec 27, 7:00 AM PST | SNOW 0.5 | 6 W Calpella, CA | ELEVATION IS 2492 FEET. |
| Dec 27, 7:00 AM PST | SNOW 1 | 6 Ssw Lewiston, CA | ELEVATION OF THE REPORT IS 2821 FEET. |
| Dec 27, 7:00 AM PST | SNOW 2 | 11 Nne Klamath Glen, CA | ELEVATION OF THE REPORT IS 843 FEET. |
| Dec 27, 7:00 AM PST | SNOW 3 | Kneeland, CA | |
| Dec 27, 7:00 AM PST | SNOW 4.9 | 5 Sse Dinsmore, CA | ELEVATION OF THE REPORT IS 4220 FEET. |
| Dec 27, 7:00 AM PST | SNOW 12 | 3 Ssw Willow Creek, CA | SOCIAL MEDIA REPORT OF 12 INCHES TOTAL SNOW FELL DURING A 48-HOUR PERIOD AT AN ELEVATION OF 1,600 FEET NEAR TITLOW HILL. |
| Dec 27, 7:00 AM PST | SNOW 12 | 8 Ene Potter Valley, CA | ELEVATION OF THE REPORT IS 2849 FEET. |
| Dec 27, 7:53 AM PST | SNOW 4 | 4 Nnw Willits, CA | SNOW BEGAN AT 11PM ON 12/26/2021. ELEVATION OF THE REPORT IS 1600 FEET. |
| Dec 27, 8:00 AM PST | SNOW 6 | 1 Wsw Burnt Ranch, CA | SOCIAL MEDIA REPORT OF 6 INCHES OF NEW SNOW FELL IN BURNT RANCH AT AN ELEVATION OF 1,902 FEET OVERNIGHT. |
| Dec 27, 8:00 AM PST | SNOW 7.5 | 6 E Benbow, CA | SOCIAL MEDIA REPORT OF 7.5 INCHES OF SNOW FELL DURING A 30-HOUR PERIOD AT AN ELEVATION OF 2,400 FEET. |
| Dec 27, 8:00 AM PST | SNOW 12 | 4 Wsw Dinsmore, CA | LATEST ROUND OF SNOW WAS 12 INCHES STARTING AT MIDNIGHT ON 12/27/2021. STORM TOTAL SNOWFALL IS 22 INCHES. ELEVATION OF THE REPORT IS 2700 FEET. |
| Dec 27, 8:15 AM PST | SNOW 0.1 | 2 N Crescent City, CA | |
| Dec 27, 9:00 AM PST | SNOW 1 | 4 Nnw Willits, CA | SOCIAL MEDIA REPORT OF AROUND AN INCH AT THE WILLITS AIRPORT FELL OVERNIGHT AT AN ELEVATION OF 2,063 FEET. |
| Dec 27, 9:21 AM PST | SNOW 6 | 2 Nnw Cobb, CA | SNOW BEGAN FALLING 645PM ON 12/25/2021. ELEVATION OF THE REPORT IS 3223 FEET. |
| Dec 27, 9:45 AM PST | SNOW 32 | 5 Wsw Willow Creek, CA | STORM TOTAL SNOWFALL OF 32 INCHES. ELEVATION IS 3000 FEET. SNOW EVENT BEGAN AT 10AM ON 12/24/2021. |
| Dec 27, 10:00 AM PST | SNOW 11 | 14 Nnw Covelo, CA | SOCIAL MEDIA REPORT OF AROUND 11 INCHES FELL DURING A 34-HOUR DURATION AT AN ELEVATION AROUND 2,400 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 12:00Z, 9.3 hours before the alert went out and 233 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
- 673 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 197 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
423 WWUS46 KEKA 232117 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 117 PM PST Thu Dec 23 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems will aid in lowering snow levels to as low as 2000 feet by Saturday afternoon, and then as low as 1000 to 2000 feet Sunday night. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall beginning Friday afternoon and lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ102-105>108-110-111-114-240530- /O.UPG.KEKA.WS.A.0009.211224T1800Z-211227T1800Z/ /O.NEW.KEKA.WS.W.0010.211224T1800Z-211227T1800Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Northern Lake- 117 PM PST Thu Dec 23 2021 ...WINTER STORM WARNING IN EFFECT FROM 10 AM FRIDAY TO 10 AM PST MONDAY ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. Total snow accumulations of 1 to 54 inches. * WHERE...Portions of northwest California. * WHEN...From 10 AM Friday to 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
16 follow-up statements
306 WWUS46 KEKA 240556 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 956 PM PST Thu Dec 23 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems will aid in lowering snow levels to as low as 2000 feet by Saturday afternoon, and then as low as 1000 to 2000 feet Sunday night. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall beginning Friday afternoon and lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ102-105>108-110-111-114-241400- /O.CON.KEKA.WS.W.0010.211224T1800Z-211227T1800Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Northern Lake- 956 PM PST Thu Dec 23 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM FRIDAY TO 10 AM PST MONDAY ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. Total snow4 accumulations of 24 to 54 inches for elevations above 2000 feet and 3 to 6 inches possible between 1500 and 2000 feet Friday through Monday. * WHERE...Portions of northwest California. * WHEN...From 10 AM Friday to 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
609 WWUS46 KEKA 240557 CCA WSWEKA URGENT - WINTER WEATHER MESSAGE...CORRECTED National Weather Service Eureka CA 957 PM PST Thu Dec 23 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems will aid in lowering snow levels to as low as 2000 feet by Saturday afternoon, and then as low as 1000 to 2000 feet Sunday night. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall beginning Friday afternoon and lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ102-105>108-110-111-114-241400- /O.COR.KEKA.WS.W.0010.211224T1800Z-211227T1800Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Northern Lake- 957 PM PST Thu Dec 23 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM FRIDAY TO 10 AM PST MONDAY ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. Total snow accumulations of 24 to 54 inches for elevations above 2000 feet and 3 to 6 inches possible between 1500 and 2000 feet Friday through Monday. * WHERE...Portions of northwest California. * WHEN...From 10 AM Friday to 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
801 WWUS46 KEKA 241329 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 529 AM PST Fri Dec 24 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems will aid in lowering snow levels to as low as 2000 feet by Saturday afternoon, and then as low as 1000 to 2000 feet Sunday night. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall beginning Friday afternoon and lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ102-105>108-110-111-114-242130- /O.CON.KEKA.WS.W.0010.211224T1800Z-211227T1800Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Northern Lake- 529 AM PST Fri Dec 24 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM PST MONDAY ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. Total snow accumulations of 24 to 54 inches for elevations above 2000 feet and 3 to 6 inches possible between 1500 and 2000 feet Friday through Monday. * WHERE...Portions of northwest California. * WHEN...From 10 AM Friday to 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
324 WWUS46 KEKA 241801 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 1001 AM PST Fri Dec 24 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems will aid in lowering snow levels to as low as 2000 feet by Saturday afternoon, and then occasionally sea level Saturday night through Monday morning. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall beginning this afternoon and lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ104-250215- /O.EXA.KEKA.WS.W.0010.211224T1800Z-211227T1800Z/ Southwestern Humboldt- 1001 AM PST Fri Dec 24 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 7 to 24 inches. * WHERE...Southwestern Humboldt County. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ102-105>108-110-111-114-250215- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Northern Lake- 1001 AM PST Fri Dec 24 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 7 to 24 inches. Winds gusting as high as 35 mph. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ101-103-109-112-113-115-250215- /O.NEW.KEKA.WS.A.0010.211226T0000Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- Southwestern Mendocino Interior-Southeastern Mendocino Interior- Southern Lake- 1001 AM PST Fri Dec 24 2021 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH MONDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 3 to 9 inches possible. * WHERE...Portions of northwest California. * WHEN...From Saturday afternoon through Monday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
855 WWUS46 KEKA 242254 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 254 PM PST Fri Dec 24 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems will aid in lowering snow levels to as low as 2000 feet this evening, and then occasionally sea level Saturday night through Monday morning. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ102-104>108-110-111-114-250700- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake- 254 PM PST Fri Dec 24 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 7 to 24 inches. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ101-103-109-112-113-115-250700- /O.CON.KEKA.WS.A.0010.211226T0000Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- Southwestern Mendocino Interior-Southeastern Mendocino Interior- Southern Lake- 254 PM PST Fri Dec 24 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH MONDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 2 to 8 inches possible. * WHERE...Portions of northwest California. * WHEN...From Saturday afternoon through Monday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
326 WWUS46 KEKA 250645 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 1045 PM PST Fri Dec 24 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems will aid in lowering snow levels to as low as 2000 feet this evening, and then occasionally sea level Saturday night through Monday morning. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ102-104>108-110-111-114-251400- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake- 1045 PM PST Fri Dec 24 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 24 to 48 inches. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ101-103-109-112-113-115-251400- /O.CON.KEKA.WS.A.0010.211226T0000Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- Southwestern Mendocino Interior-Southeastern Mendocino Interior- Southern Lake- 1045 PM PST Fri Dec 24 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH MONDAY MORNING... * WHAT...Heavy snow possible. Total snow accumulations of 1 to 8 inches possible. * WHERE...Portions of northwest California. * WHEN...From Saturday afternoon through Monday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
451 WWUS46 KEKA 251337 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 537 AM PST Sat Dec 25 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems has lowered snow levels to around 2000 feet this morning, and may occasionally drop snow levels to sea level Saturday night through Monday morning. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ104>106-252145- /O.NEW.KEKA.WW.Y.0024.211226T0300Z-211226T1600Z/ /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior- 537 AM PST Sat Dec 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 8 AM PST SUNDAY... * WHAT...For the Winter Storm Warning, heavy snow. Additional snow accumulations of 24 to 38 inches. For the Winter Weather Advisory, snow expected. Total snow accumulations of 1 to 5 inches. * WHERE...Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior Counties. * WHEN...For the Winter Storm Warning, until 10 AM PST Monday. For the Winter Weather Advisory, from 7 PM this evening to 8 AM PST Sunday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ110-252145- /O.NEW.KEKA.WW.Y.0024.211226T0600Z-211226T1800Z/ /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Northwestern Mendocino Interior- 537 AM PST Sat Dec 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST SUNDAY... * WHAT...For the Winter Storm Warning, heavy snow. Additional snow accumulations of 5 to 17 inches. For the Winter Weather Advisory, snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...Northwestern Mendocino Interior County. * WHEN...For the Winter Storm Warning, until 10 AM PST Monday. For the Winter Weather Advisory, from 10 PM this evening to 10 AM PST Sunday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. 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. && $$ CAZ102-107-108-111-114-252145- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Northern Trinity-Southern Trinity- Northeastern Mendocino Interior-Northern Lake- 537 AM PST Sat Dec 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 24 to 48 inches. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ101-103-252145- /O.NEW.KEKA.WW.Y.0024.211226T0300Z-211226T1600Z/ /O.EXT.KEKA.WS.A.0010.211227T0000Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast- 537 AM PST Sat Dec 25 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 8 AM PST SUNDAY... ...WINTER STORM WATCH NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... * WHAT...For the Winter Weather Advisory, wet snow expected. Total snow accumulations of up to 2 to 4 inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 1 to 3 inches possible down to sea level. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...For the Winter Weather Advisory, from 7 PM this evening to 8 AM PST Sunday. For the Winter Storm Watch, from Sunday afternoon through Monday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning 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. && $$ CAZ109-112-113-115-252145- /O.NEW.KEKA.WW.Y.0024.211226T0600Z-211226T1800Z/ /O.EXT.KEKA.WS.A.0010.211227T0000Z-211227T1800Z/ Mendocino Coast-Southwestern Mendocino Interior- Southeastern Mendocino Interior-Southern Lake- 537 AM PST Sat Dec 25 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST SUNDAY... ...WINTER STORM WATCH NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... * WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations of up to two inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of up to 4 inches possible. * WHERE...Mendocino Coast, Southwestern Mendocino Interior, Southeastern Mendocino Interior and Southern Lake Counties. * WHEN...For the Winter Weather Advisory, from 10 PM this evening to 10 AM PST Sunday. For the Winter Storm Watch, from Sunday afternoon through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
693 WWUS46 KEKA 251608 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 808 AM PST Sat Dec 25 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems has lowered snow levels to around 2000 feet this morning, and may occasionally drop snow levels to sea level Saturday night through Monday morning. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ104>106-260015- /O.CAN.KEKA.WW.Y.0024.211226T0300Z-211226T1600Z/ /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior- 808 AM PST Sat Dec 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy snow. Additional snow accumulations of 3 to 16 inches. * WHERE...Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ110-260015- /O.CAN.KEKA.WW.Y.0024.211226T0600Z-211226T1800Z/ /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Northwestern Mendocino Interior- 808 AM PST Sat Dec 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 3 to 13 inches. * WHERE...Northwestern Mendocino Interior County. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ102-107-108-111-114-260015- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Northern Trinity-Southern Trinity- Northeastern Mendocino Interior-Northern Lake- 808 AM PST Sat Dec 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 7 to 14 inches at low elevations and 20 to 38 inches above 2000 feet. * WHERE...Southern Trinity, Del Norte Interior, Northeastern Mendocino Interior, Northern Trinity and Northern Lake Counties. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ101-103-260015- /O.CON.KEKA.WW.Y.0024.211226T0300Z-211226T1600Z/ /O.CON.KEKA.WS.A.0010.211227T0000Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast- 808 AM PST Sat Dec 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 8 AM PST SUNDAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... * WHAT...For the Winter Weather Advisory, wet snow expected. Total snow accumulations of up to 2 inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 1 to 4 inches possible. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...For the Winter Weather Advisory, from 7 PM this evening to 8 AM PST Sunday. For the Winter Storm Watch, from Sunday afternoon through Monday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ109-112-113-115-260015- /O.CON.KEKA.WW.Y.0024.211226T0600Z-211226T1800Z/ /O.CON.KEKA.WS.A.0010.211227T0000Z-211227T1800Z/ Mendocino Coast-Southwestern Mendocino Interior- Southeastern Mendocino Interior-Southern Lake- 808 AM PST Sat Dec 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST SUNDAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... * WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations of up to two inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of up to 4 inches possible. * WHERE...Mendocino Coast, Southeastern Mendocino Interior, Southwestern Mendocino Interior and Southern Lake Counties. * WHEN...For the Winter Weather Advisory, from 10 PM this evening to 10 AM PST Sunday. For the Winter Storm Watch, from Sunday afternoon through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning 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. && $$
325 WWUS46 KEKA 252246 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 246 PM PST Sat Dec 25 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems has lowered snow levels to around 1500 feet today, and may occasionally drop snow levels to sea level tonight through Monday morning. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ101-103-260700- /O.UPG.KEKA.WW.Y.0024.211226T0300Z-211226T1600Z/ /O.EXB.KEKA.WS.W.0010.211226T0600Z-211226T1800Z/ /O.EXT.KEKA.WS.A.0010.211227T0600Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast- 246 PM PST Sat Dec 25 2021 ...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST SUNDAY... ...WINTER STORM WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING... * WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations of 2 to 3 inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 2 to 3 inches possible. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...For the Winter Storm Warning, from 10 PM this evening to 10 AM PST Sunday. For the Winter Storm Watch, from Sunday evening through Monday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute including highway 101. * ADDITIONAL DETAILS...Snowfall will likely be wet and mixed with rain. Snowfall will be sporadic with accumulation most likely a couple hundred feet above sea level. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. 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. && $$ CAZ102-104>108-110-111-114-260700- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake- 246 PM PST Sat Dec 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 7 to 14 inches at low elevations and 20 to 38 inches above 2000 feet. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions will impact highways 299, 101, 199, 36, and 3. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ109-112-113-115-260700- /O.EXT.KEKA.WS.A.0010.211227T0600Z-211227T1800Z/ /O.CON.KEKA.WW.Y.0024.211226T0600Z-211226T1800Z/ Mendocino Coast-Southwestern Mendocino Interior- Southeastern Mendocino Interior-Southern Lake- 246 PM PST Sat Dec 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST SUNDAY... ...WINTER STORM WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING... * WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations of up to 2 inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 2 to 5 inches possible. * WHERE...Mendocino Coast, Southeastern Mendocino Interior, Southwestern Mendocino Interior and Southern Lake Counties. * WHEN...For the Winter Weather Advisory, from 10 PM this evening to 10 AM PST Sunday. For the Winter Storm Watch, from Sunday evening through Monday morning. * IMPACTS...Travel could be very difficult to impossible along portions of highway 101. The hazardous conditions could impact the morning commute. * ADDITIONAL DETAILS...Snowfall will likely be wet and mixed with rain. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
747 WWUS46 KEKA 260645 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 1045 PM PST Sat Dec 25 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems has lowered snow levels to around 1500 feet today, and may occasionally drop snow levels to sea level tonight through Monday morning. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ101-103-261445- /O.CON.KEKA.WS.W.0010.000000T0000Z-211226T1800Z/ /O.CON.KEKA.WS.A.0010.211227T0600Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast- 1045 PM PST Sat Dec 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING... * WHAT...For the Winter Storm Warning, heavy snow. Additional snow accumulations of 1 to 3 inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 1 to 3 inches possible. Winds gusting as high as 30 mph. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...For the Winter Storm Warning, until 10 AM PST Sunday. For the Winter Storm Watch, from Sunday evening through Monday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. 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. && $$ CAZ102-104>108-110-111-114-261445- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake- 1045 PM PST Sat Dec 25 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 24 to 34 inches. Winds gusting as high as 35 mph. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ109-112-113-115-261445- /O.CON.KEKA.WW.Y.0024.000000T0000Z-211226T1800Z/ /O.CON.KEKA.WS.A.0010.211227T0600Z-211227T1800Z/ Mendocino Coast-Southwestern Mendocino Interior- Southeastern Mendocino Interior-Southern Lake- 1045 PM PST Sat Dec 25 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY MORNING... * WHAT...For the Winter Weather Advisory, snow. Additional snow accumulations of up to 3 inches. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of up to 5 inches possible. * WHERE...Mendocino Coast, Southeastern Mendocino Interior, Southwestern Mendocino Interior and Southern Lake Counties. * WHEN...For the Winter Weather Advisory, until 10 AM PST Sunday. For the Winter Storm Watch, from Sunday evening through Monday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning 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. && $$
182 WWUS46 KEKA 261237 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 437 AM PST Sun Dec 26 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems has lowered snow levels to around 500 to 1000 feet early this morning. These will likely rise later this morning before dropping again tonight through Monday morning. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ101-103-262045- /O.UPG.KEKA.WS.A.0010.211227T0600Z-211227T1800Z/ /O.NEW.KEKA.WW.Y.0025.211227T0900Z-211227T1800Z/ /O.CON.KEKA.WS.W.0010.000000T0000Z-211226T1800Z/ Coastal Del Norte-Northern Humboldt Coast- 437 AM PST Sun Dec 26 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 10 AM PST MONDAY... * WHAT...For the Winter Storm Warning, heavy wet snow. Additional snow accumulations of up to two inches. For the Winter Weather Advisory, snow expected. Total snow accumulations of up to two inches. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...For the Winter Storm Warning, until 10 AM PST this morning. For the Winter Weather Advisory, from 1 AM to 10 AM PST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ102-104>108-110-111-114-262045- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake- 437 AM PST Sun Dec 26 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 24 to 34 inches. Winds gusting as high as 35 mph. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ109-112-113-115-262045- /O.UPG.KEKA.WS.A.0010.211227T0600Z-211227T1800Z/ /O.NEW.KEKA.WW.Y.0025.211227T0900Z-211227T1800Z/ /O.CON.KEKA.WW.Y.0024.000000T0000Z-211226T1800Z/ Mendocino Coast-Southwestern Mendocino Interior- Southeastern Mendocino Interior-Southern Lake- 437 AM PST Sun Dec 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 10 AM PST MONDAY... * WHAT...For the first Winter Weather Advisory, wet snow. Additional snow accumulations of up to one inch. For the second Winter Weather Advisory, snow expected. Total snow accumulations of mostly 1 to 2 inches expected, locally up to 3 inches. * WHERE...Mendocino Coast, Southwestern Mendocino Interior, Southeastern Mendocino Interior and Southern Lake Counties. * WHEN...For the first Winter Weather Advisory, until 10 AM PST this morning. For the second Winter Weather Advisory, from 1 AM to 10 AM PST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
243 WWUS46 KEKA 261758 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 958 AM PST Sun Dec 26 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems has lowered snow levels to around 500 to 1000 feet early this morning. These will likely rise later this morning before dropping again tonight through Monday morning. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall lasting through Monday morning. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ101-103-270200- /O.EXP.KEKA.WS.W.0010.000000T0000Z-211226T1800Z/ /O.CON.KEKA.WW.Y.0025.211227T0900Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast- 958 AM PST Sun Dec 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 AM PST MONDAY... ...WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING... * WHAT...Snow expected. Total snow accumulations of up to two inches. * WHERE...Coastal Del Norte and Northern Humboldt Coast Counties. * WHEN...From 1 AM to 10 AM PST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute. 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. && $$ CAZ109-112-113-115-270200- /O.EXP.KEKA.WW.Y.0024.000000T0000Z-211226T1800Z/ /O.CON.KEKA.WW.Y.0025.211227T0900Z-211227T1800Z/ Mendocino Coast-Southwestern Mendocino Interior- Southeastern Mendocino Interior-Southern Lake- 958 AM PST Sun Dec 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 AM PST MONDAY... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING... * WHAT...Snow expected. Total snow accumulations of up to 2 inches. * WHERE...Mendocino Coast, Southeastern Mendocino Interior, Southwestern Mendocino Interior and Southern Lake Counties. * WHEN...From 1 AM to 10 AM PST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ102-104>108-110-111-114-270200- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake- 958 AM PST Sun Dec 26 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 8 to 20 inches above 2500 feet and 2 to 8 inches at lower elevations. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
796 WWUS46 KEKA 262256 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 256 PM PST Sun Dec 26 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems lowered snow levels to around 500 to 1000 feet early this morning. Snow levels have risen to 1500 feet this afternoon but will likely fall again to below 500 feet early Monday. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall lasting through Monday morning. A dusting of snow is possible down to sea level. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ102-104>108-110-111-114-270700- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake- 256 PM PST Sun Dec 26 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 6 to 20 inches above 2000 feet and 1 to 5 inches at lower elevations. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ101-103-109-112-113-115-270700- /O.CON.KEKA.WW.Y.0025.211227T0900Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- Southwestern Mendocino Interior-Southeastern Mendocino Interior- Southern Lake- 256 PM PST Sun Dec 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 AM PST MONDAY... * WHAT...Snow expected. Total snow accumulations of up to two inches. * WHERE...Portions of northwest California. * WHEN...From 1 AM to 10 AM PST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. 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. && $$
436 WWUS46 KEKA 270637 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 1037 PM PST Sun Dec 26 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .A series of cold upper level storm systems lowered snow levels to around 500 to 1000 feet early this morning. Snow levels have risen to 1500 feet this afternoon but will likely fall again to below 500 feet early Monday. Periods of heavy showers spreading across the cold airmass will favor significant mountain snowfall lasting through Monday morning. A dusting of snow is possible down to sea level. Travel across mountain roadways and highway passes will subsequently be difficult if not impossible. CAZ102-104>108-110-111-114-271445- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake- 1037 PM PST Sun Dec 26 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Heavy snow. Additional snow accumulations of 1 to 9 inches. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ101-103-109-112-113-115-271445- /O.CON.KEKA.WW.Y.0025.211227T0900Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- Southwestern Mendocino Interior-Southeastern Mendocino Interior- Southern Lake- 1037 PM PST Sun Dec 26 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY... * WHAT...Snow expected. Total snow accumulations of up to two inches. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. 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. && $$
178 WWUS46 KEKA 271258 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 458 AM PST Mon Dec 27 2021 ...HEAVY MOUNTAIN SNOW EXPECTED DURING THE CHRISTMAS HOLIDAY... .The last wave in a series of cold storms systems is moving southward down the west coast early this morning. Snowfall intensities begin to weaken this morning and dwindle through the day today, and the passage of this system overhead may possibly bring a brief dusting of snow down to sea level this morning. Another weak wave is expected to move southward along the coast tonight, possibly bringing light snow to most areas, including interior valley floors and low elevations near the coast. CAZ102-104>108-110-111-114-271800- /O.CON.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake- 458 AM PST Mon Dec 27 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Additional snow accumulations of up to 3 inches. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST this morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ101-103-109-112-113-115-271800- /O.CON.KEKA.WW.Y.0025.000000T0000Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- Southwestern Mendocino Interior-Southeastern Mendocino Interior- Southern Lake- 458 AM PST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Portions of northwest California. * WHEN...Until 10 AM PST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. 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. && $$
902 WWUS46 KEKA 271753 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 953 AM PST Mon Dec 27 2021 CAZ102-104>108-110-111-114-271900- /O.EXP.KEKA.WS.W.0010.000000T0000Z-211227T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- Northern Trinity-Southern Trinity-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Northern Lake- 953 AM PST Mon Dec 27 2021 ...WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING... $$ CAZ101-103-109-112-113-115-271900- /O.EXP.KEKA.WW.Y.0025.000000T0000Z-211227T1800Z/ Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- Southwestern Mendocino Interior-Southeastern Mendocino Interior- Southern Lake- 953 AM PST Mon Dec 27 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 2:10 AM PST | Winter Storm Watch | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 11 hr |
| Dec 23, 3:11 AM PST | Small Craft Advisory | EKA | 98 min | |
| Dec 23, 3:03 PM PST | Small Craft Advisory | EKA | 5 days |
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; radar from the NEXRAD Level II archive.