Alert archive / California / Winter Storm Warnings in 2020
Winter Storm Warning 1, NWS Eureka, CA
NWS Eureka, CA issued this winter storm warning at Jan 14, 2020, 2:26 PM PST for 4 counties in California. It took effect at Jan 15, 2020, 4:00 PM PST. It was in force for 24 hr. 33 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
- Jan 14, 2020, 2:26 PM PST (22:26 UTC)
- In effect from
- Jan 15, 2020, 4:00 PM PST
- Expired
- Jan 16, 2020, 4:00 PM PST
- In force
- 24 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA, Trinity County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 60 km from the middle of the area, began a volume at 22:30 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 |
|---|---|---|---|
| Jan 16, 12:00 AM PST | SNOW 8 | 2.5 W Weaverville, CA | STATION ELEVATION: 2736 FT. |
| Jan 16, 4:55 AM PST | SNOW 2 | 1 N Orleans, CA | TEMPERATURE 33 DEGREES. |
| Jan 16, 7:00 AM PST | SNOW 1 | 4 Nw Salyer, CA | 24 HOUR TOTAL. STATION ELEVATION: 655 FT. |
| Jan 16, 7:00 AM PST | SNOW 1 | 7 W Calpella, CA | ELEVATION 2,492. 24 HOUR TOTAL. |
| Jan 16, 7:00 AM PST | SNOW 1.3 | 4 Nw Salyer, CA | 24 HOUR TOTAL. STATION ELEVATION: 501 FT. |
| Jan 16, 7:00 AM PST | SNOW 2 | 5 Ene Willits, CA | PINE MOUNTAIN NEAR WILLITS 2,300 FEET. REPORT FROM SOCIAL MEDIA. |
| Jan 16, 7:00 AM PST | SNOW 3.5 | 3 N Ettersburg, CA | ELEVATION 1,644 FEET. 24 HOUR TOTAL. |
| Jan 16, 7:00 AM PST | SNOW 6.9 | 6 Se Dinsmore, CA | ELEVATION 2,532 FEET. 24 HOUR TOTAL. |
| Jan 16, 7:00 AM PST | SNOW 8 | 4 E Ruth, CA | 2,800 FEET. REPORT FROM SOCIAL MEDIA AND LOCATION ESTIMATED. |
| Jan 16, 7:05 AM PST | SNOW 2 | 1 Wnw Redway, CA | SNOW ONGOING. |
| Jan 16, 7:20 AM PST | SNOW 6.5 | 7 E Benbow, CA | 0.5 NW OF NEW HARRIS. 2,400 FEET. REPORT FROM SOCIAL MEDIA, LOCATION ESTIMATED. |
| Jan 16, 7:40 AM PST | SNOW 4 | 1 Nw Kneeland, CA | ELEVATION 2,008 FEET. 24 HOUR TOTAL. |
| Jan 16, 7:48 AM PST | SNOW 3 | 10 S Laytonville, CA | 1800 FEET. |
| Jan 16, 8:00 AM PST | SNOW 0.5 | 2 Sse Willits, CA | ELEVATION 1,441 FEET. 24 HOUR TOTAL. |
| Jan 16, 8:00 AM PST | SNOW 0.8 | 1 Sw Piercy, CA | AT 1,000 FEET. LOCATION ESTIMATED. REPORT FROM SOCIAL MEDIA. |
| Jan 16, 8:00 AM PST | SNOW 0.9 | 2 Sse Honeydew, CA | ELEVATION 1,395 FEET. 24 HOUR TOTAL. |
| Jan 16, 8:00 AM PST | SNOW 3.7 | 10 N Laytonville, CA | 24 HOUR TOTAL. STATION ELEVATION: 2078 FT. |
| Jan 16, 8:00 AM PST | SNOW 4 | Briceland, CA | ELEVATION 1320 FEET. |
| Jan 16, 8:00 AM PST | SNOW 6.9 | 5 E Bridgeville, CA | 24 HOUR TOTAL. STATION ELEVATION: 2675 FT. |
| Jan 16, 8:30 AM PST | SNOW 4 | 8 Ene Blue Lake, CA | LORD ELLIS/REDWOOD CREEK ELEVATION 1400 FEET STILL SNOWING. |
| Jan 16, 8:33 AM PST | SNOW 6 | 7 E Bridgville, CA | 6 INCHES OF SNOW FELL AFTER MIDNIGHT AT 2400-2700 FEET . TEMPERATURE 33 DEGREES. |
| Jan 16, 9:00 AM PST | SNOW 2 | 1 Nne Carrville, CA | COFFEE CREEK, LOCATION ESTIMATED, REPORT FROM SOCIAL MEDIA. ELEVATION 2,800 FEET. |
| Jan 16, 9:39 AM PST | SNOW 4.5 | Gasquet, CA | ELEVATION 400-500 FEET A LOT OF TREES DOWNED. |
| Jan 16, 9:45 AM PST | SNOW 3 | Gasquet, CA | ON GOING THROUGH MORNING. AT GASQUET FIRE HOUSE 3-5 INCHES THROUGH EARLY MORNING. |
| Jan 16, 10:00 AM PST | SNOW 36 | 8 Wsw Hoopa, CA | ELEVATION 3,400 FEET. REPORT FROM SOCIAL MEDIA AND LOCATION ESTIMATED. |
| Jan 16, 10:30 AM PST | SNOW 2 | Weaverville, CA | ELEVATION 2,000 FEET. REPORT FROM SOCIAL MEDIA AND LOCATION ESTIMATED. |
| Jan 16, 12:19 PM PST | SNOW 0.5 | Honeydew, CA | |
| Jan 16, 12:49 PM PST | SNOW 12 | 5 Wsw Willow Creek, CA | MARISA ST JOHN UPPERREDWOODCREEK@GMAIL.COM 10-12" AND FALLING. 32-33 DEGREES. TITLOW HILL AT 3000 FT. |
| Jan 16, 12:58 PM PST | SNOW 8 | 1 Nnw Zenia, CA | HETTENSHAW/ZENIA AT 3000 FT. BEGAN 3 AM TO 9 AM. |
| Jan 16, 1:42 PM PST | SNOW 2.5 | 1 Sse Trinity Center, CA | MMCHUGH73@GMAIL.COMVERY HEAVY, WET SNOW. |
| Jan 16, 2:55 PM PST | SNOW 6.5 | 6 Ene Benbow, CA | 1/2 MILE NW OF NEW HARRIS. |
| Jan 16, 2:55 PM PST | SNOW 6.5 | 6 Ene Benbow, CA | CORRECTS FOR ELEVATION 2400 FEET BENBOW. 1/2 MILE NW OF NEW HARRIS. |
| Jan 16, 4:00 PM PST | SNOW 2 | 7 E Bridgville, CA | STATION ELEVATION: 2625 FT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 12:00Z, 10.4 hours before the alert went out and 204 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
- 2 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 834 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
843 WWUS46 KEKA 142226 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 226 PM PST Tue Jan 14 2020 ...HEAVY MOUNTAIN SNOW WEDNESDAY NIGHT THROUGH THURSDAY... .A significant winter storm is expected to impact the region late Wednesday afternoon through Thursday, with widespread heavy mountain snow accumulations likely. Snow levels are expected to fall from 3000 to nearly 2000 feet early Thursday morning, which will bring heavy snow accumulations to numerous interior mountain highways, including Highways 299, 36, and 3, in addition to numerous rural roadways. In addition, accumulating small hail will be possible across coastal areas late Wednesday night into Thursday. CAZ102-105>108-150630- /O.CAN.KEKA.WW.Y.0003.000000T0000Z-200115T0000Z/ /O.UPG.KEKA.WS.A.0001.200116T0000Z-200117T0000Z/ /O.NEW.KEKA.WS.W.0001.200116T0000Z-200117T0000Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- 226 PM PST Tue Jan 14 2020 ...WINTER STORM WARNING IN EFFECT FROM 4 PM WEDNESDAY TO 4 PM PST THURSDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Heavy snow expected. Total snow accumulations of 7 to 20 inches. Winds gusting as high as 45 mph. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southern Humboldt Interior, Northern Trinity and Southern Trinity Counties. * WHEN...From 4 PM Wednesday to 4 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring down tree branches. 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. && $$ CAZ110-142330- /O.CAN.KEKA.WS.A.0001.200116T0000Z-200117T0000Z/ Northwestern Mendocino Interior- 226 PM PST Tue Jan 14 2020 ...WINTER STORM WATCH IS CANCELLED... $$ CAZ111-150630- /O.UPG.KEKA.WS.A.0001.200116T0000Z-200117T0000Z/ /O.NEW.KEKA.WS.W.0001.200116T0000Z-200117T0000Z/ Northeastern Mendocino Interior- 226 PM PST Tue Jan 14 2020 ...WINTER STORM WARNING IN EFFECT FROM 4 PM WEDNESDAY TO 4 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of 7 to 16 inches. Winds gusting as high as 40 mph. * WHERE...Northeastern Mendocino Interior County. * WHEN...From 4 PM Wednesday to 4 PM PST Thursday. * 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. && $$
10 follow-up statements
740 WWUS46 KEKA 150508 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 908 PM PST Tue Jan 14 2020 ...HEAVY MOUNTAIN SNOW WEDNESDAY NIGHT THROUGH THURSDAY... .A significant winter storm is expected to impact the region late Wednesday afternoon through Thursday, with widespread heavy mountain snow accumulations likely. Snow levels are expected to fall from 3000 to nearly 2000 feet early Thursday morning, which will bring heavy snow accumulations to numerous interior mountain highways, including Highways 299, 36, and 3, in addition to numerous rural roadways. In addition, accumulating small hail will be possible across coastal areas late Wednesday night into Thursday. CAZ102-105>108-111-151315- /O.CON.KEKA.WS.W.0001.200116T0000Z-200117T0000Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northeastern Mendocino Interior- 908 PM PST Tue Jan 14 2020 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM WEDNESDAY TO 4 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of 7 to 20 inches. Winds gusting as high as 45 mph. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southern Humboldt Interior, Northern Trinity and Southern Trinity Counties. * WHEN...From 4 PM Wednesday to 4 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
031 WWUS46 KEKA 151147 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 347 AM PST Wed Jan 15 2020 ...HEAVY MOUNTAIN SNOW WEDNESDAY NIGHT THROUGH THURSDAY... .A significant winter storm is expected to impact the region late Wednesday afternoon through Thursday, with widespread heavy mountain snow accumulations likely. Snow levels are expected to fall from 3000 to nearly 2000 feet early Thursday morning, which will bring heavy snow accumulations to numerous interior mountain highways, including Highways 299, 36, and 3, in addition to numerous rural roadways. In addition, accumulating small hail will be possible across coastal areas late Wednesday night into Thursday. CAZ102-105>108-111-152000- /O.CON.KEKA.WS.W.0001.200116T0000Z-200117T0000Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northeastern Mendocino Interior- 347 AM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of 7 to 20 inches. Winds gusting as high as 50 mph. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southern Humboldt Interior, Northern Trinity and Southern Trinity Counties. * WHEN...From 4 PM Wednesday to 4 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring down tree branches. 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. && $$
972 WWUS46 KEKA 151848 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 1048 AM PST Wed Jan 15 2020 ...HEAVY MOUNTAIN SNOW WEDNESDAY NIGHT THROUGH THURSDAY... .A significant winter storm is expected to impact the region late Wednesday afternoon through Thursday, with widespread heavy mountain snow accumulations likely. Snow levels are expected to fall from 3500 to nearly 2000 feet early Thursday morning, which will bring heavy snow accumulations to numerous interior mountain highways, including Highways 299, 36, and 3, in addition to numerous rural roadways. In addition, accumulating small hail will be possible across coastal areas late Wednesday night into Thursday. CAZ107-160300- /O.EXT.KEKA.WS.W.0001.200116T0400Z-200117T0000Z/ Northern Trinity- 1048 AM PST Wed Jan 15 2020 ...WINTER STORM WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO 4 PM PST THURSDAY ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. 1 to 2 feet of snow expected at elevations over 2500 feet. Snow accumulations of 2 to 4 inches possible down to 2000 feet. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Northern Trinity County. * WHEN...From 8 PM this evening to 4 PM PST Thursday. The heaviest snow is expected late tonight into Thursday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ108-160300- /O.CON.KEKA.WS.W.0001.200116T0000Z-200117T0000Z/ Southern Trinity- 1048 AM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Heavy snow expected above 2500 feet. 8 to 24 inches of snow expected at elevations over 3000 feet. Snow accumulations of 3 to 9 inches possible down to 2500 feet. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Southern Trinity County. * WHEN...From 4 PM this afternoon to 4 PM PST Thursday. The heaviest snow is expected overnight into Thursday morning. * 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. && $$ CAZ102-105-106-111-160300- /O.CON.KEKA.WS.W.0001.200116T0000Z-200117T0000Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northeastern Mendocino Interior- 1048 AM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Heavy snow expected above 2500 feet. 8 to 24 inches of snow expected at elevations over 3000 feet. Snow accumulations of 3 to 9 inches possible down to 2500 feet. Snow levels will fall from 3500 feet this afternoon to 2500 feet or slightly lower tonight. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Interior Del Norte, interior Humboldt, and northeastern Mendocino counties. * WHEN...From 4 PM this afternoon to 4 PM PST Thursday. The heaviest snow is expected this evening and overnight in Del Norte and Humboldt counties. Heavy snow will likely continue into Thursday morning in northern Mendocino County. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ110-160300- /O.NEW.KEKA.WW.Y.0004.200116T0000Z-200117T0000Z/ Northwestern Mendocino Interior- 1048 AM PST Wed Jan 15 2020 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Snow expected above 2500 feet. 2 to 6 inches inches of snow expected with snow levels falling from 3500 feet this afternoon to 2500 feet later tonight. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Northern Mendocino County. * WHEN...From 4 PM this afternoon to 4 PM PST Thursday. Heaviest snow will be overnight into Thursday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening 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. && $$
887 WWUS46 KEKA 152318 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 318 PM PST Wed Jan 15 2020 ...HEAVY MOUNTAIN SNOW WEDNESDAY NIGHT THROUGH THURSDAY... .A significant winter storm is expected to impact the region late this afternoon through Thursday, with widespread heavy mountain snow accumulations likely. Snow levels are expected to fall from 3500 to nearly 2000 feet early Thursday morning, which will bring heavy snow accumulations to numerous interior mountain highways, including Highways 299, 36, and 3, in addition to numerous rural roadways. In addition, accumulating small hail will be possible across coastal areas late Wednesday night into Thursday. CAZ107-160730- /O.CON.KEKA.WS.W.0001.200116T0400Z-200117T0000Z/ Northern Trinity- 318 PM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 4 PM PST THURSDAY ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. 1 to 2 feet of snow expected at elevations over 2500 feet. Snow accumulations of 2 to 4 inches possible down to 2000 feet. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Northern Trinity County. * WHEN...From 8 PM this evening to 4 PM PST Thursday. The heaviest snow is expected late tonight into Thursday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ102-160730- /O.CON.KEKA.WS.W.0001.200116T0000Z-200117T0000Z/ Del Norte Interior- 318 PM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. 8 to 24 inches of snow expected at elevations over 3000 feet. Snow accumulations of 3 to 9 inches possible down to 2000 feet. Snow levels will fall from 3500 feet this afternoon to 2000 feet tonight. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Interior Del Norte, interior Humboldt, and northeastern Mendocino counties. * WHEN...From 4 PM this afternoon to 4 PM PST Thursday. The heaviest snow is expected this evening and overnight. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring down tree branches. 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. && $$ CAZ108-160730- /O.CON.KEKA.WS.W.0001.200116T0000Z-200117T0000Z/ Southern Trinity- 318 PM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Heavy snow expected above 2500 feet. 8 to 24 inches of snow expected at elevations over 3000 feet. Snow accumulations of 3 to 9 inches possible down to 2500 feet. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Southern Trinity County. * WHEN...From 4 PM this afternoon to 4 PM PST Thursday. The heaviest snow is expected overnight into Thursday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ105-106-111-160730- /O.CON.KEKA.WS.W.0001.200116T0000Z-200117T0000Z/ Northern Humboldt Interior-Southern Humboldt Interior- Northeastern Mendocino Interior- 318 PM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Heavy snow expected above 2500 feet. 8 to 24 inches of snow expected at elevations over 3000 feet. Snow accumulations of 3 to 9 inches possible down to 2500 feet. Snow levels will fall from 3500 feet this afternoon to 2500 feet or slightly lower tonight. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Interior Del Norte, interior Humboldt, and northeastern Mendocino counties. * WHEN...From 4 PM this afternoon to 4 PM PST Thursday. The heaviest snow is expected this evening and overnight Humboldt County. Heavy snow will likely continue into Thursday morning in northern Mendocino County. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring down tree branches. 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. && $$ CAZ110-160730- /O.CON.KEKA.WW.Y.0004.200116T0000Z-200117T0000Z/ Northwestern Mendocino Interior- 318 PM PST Wed Jan 15 2020 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Snow expected above 2500 feet. 2 to 6 inches inches of snow expected with snow levels falling from 3500 feet this afternoon to 2500 feet later tonight. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Northern Mendocino County. * WHEN...From 4 PM this afternoon to 4 PM PST Thursday. Heaviest snow will be overnight into Thursday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$
391 WWUS46 KEKA 160000 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 400 PM PST Wed Jan 15 2020 ...HEAVY MOUNTAIN SNOW WEDNESDAY NIGHT THROUGH THURSDAY... .A significant winter storm is expected to impact the region this evening through Thursday, with widespread heavy mountain snow accumulations likely. Snow levels are expected to fall from 3500 to nearly 2000 feet early Thursday morning, which will bring heavy snow accumulations to numerous interior mountain highways, including Highways 299, 199, 36, and 3, in addition to numerous rural roadways. In addition, accumulating small hail will be possible across coastal areas late Wednesday night into Thursday. CAZ107-160800- /O.CON.KEKA.WS.W.0001.200116T0400Z-200117T0000Z/ Northern Trinity- 400 PM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 4 PM PST THURSDAY ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. 1 to 2 feet of snow expected at elevations over 2500 feet. Snow accumulations of 2 to 4 inches possible down to 2000 feet. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Northern Trinity County including highways 299 and 3. * WHEN...From 8 PM this evening to 4 PM PST Thursday. The heaviest snow is expected late tonight into Thursday 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. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ102-160800- /O.CON.KEKA.WS.W.0001.000000T0000Z-200117T0000Z/ Del Norte Interior- 400 PM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. 8 to 24 inches of snow expected at elevations over 3000 feet. Snow accumulations of 3 to 9 inches possible down to 2000 feet. Snow levels will fall from 3500 feet this afternoon to 2000 feet tonight. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Interior Del Norte, including highway 199 at Collier Tunnel. * WHEN...From 4 PM this afternoon to 4 PM PST Thursday. The heaviest snow is expected this evening and overnight. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ108-160800- /O.CON.KEKA.WS.W.0001.000000T0000Z-200117T0000Z/ Southern Trinity- 400 PM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Heavy snow expected above 2500 feet. 8 to 24 inches of snow expected at elevations over 3000 feet. Snow accumulations of 3 to 9 inches possible down to 2500 feet. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Southern Trinity County, including highways 36 and 3. * WHEN...From 4 PM this afternoon to 4 PM PST Thursday. The heaviest snow is expected overnight into Thursday morning. * 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. && $$ CAZ105-106-111-160800- /O.CON.KEKA.WS.W.0001.000000T0000Z-200117T0000Z/ Northern Humboldt Interior-Southern Humboldt Interior- Northeastern Mendocino Interior- 400 PM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Heavy snow expected above 2500 feet. 8 to 24 inches of snow expected at elevations over 3000 feet. Snow accumulations of 3 to 9 inches possible down to 2500 feet. Snow levels will fall from 3500 feet this afternoon to 2500 feet or slightly lower tonight. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Interior Humboldt and northeastern Mendocino counties, including highways 299 over Berry Summit and 36 as Southfork Mountain. * WHEN...From 4 PM this afternoon to 4 PM PST Thursday. The heaviest snow is expected this evening and overnight Humboldt County. Heavy snow will likely continue into Thursday morning in northern Mendocino County. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ110-160800- /O.CON.KEKA.WW.Y.0004.000000T0000Z-200117T0000Z/ Northwestern Mendocino Interior- 400 PM PST Wed Jan 15 2020 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Snow expected above 2500 feet. 2 to 6 inches inches of snow expected with snow levels falling from 3500 feet this afternoon to 2500 feet later tonight. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Northern Mendocino County. * WHEN...From 4 PM this afternoon to 4 PM PST Thursday. Heaviest snow will be overnight into Thursday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening 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. && $$
890 WWUS46 KEKA 160421 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 821 PM PST Wed Jan 15 2020 ...HEAVY MOUNTAIN SNOW WEDNESDAY NIGHT THROUGH THURSDAY... .A winter storm is expected to impact the region this evening through Thursday, with widespread heavy mountain snow accumulations likely. Snow levels will range from 2000 to 3000 feet by Thursday morning, which will cause heavy snow to accumulate across interior mountain highways, including Highways 299, 199, 36, and 3. In addition, accumulating small hail will be possible across coastal areas late Wednesday night into Thursday. CAZ102-105>108-111-161230- /O.CON.KEKA.WS.W.0001.000000T0000Z-200117T0000Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northeastern Mendocino Interior- 821 PM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Heavy snow expected above 2500 feet. 8 to 24 inches of snow expected at elevations over 3000 feet. Snow accumulations of 3 to 9 inches possible down to 2500 feet. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southern Humboldt Interior, Northern Trinity, Southern Trinity, and Northeastern Mendocino Interior. Highways impacted include 299, 36, 3 and 199. * WHEN...Through 4 PM Thursday. The heaviest snow is expected tonight into Thursday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ110-161230- /O.CON.KEKA.WW.Y.0004.000000T0000Z-200117T0000Z/ Northwestern Mendocino Interior- 821 PM PST Wed Jan 15 2020 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Snow expected above 2500 feet. 2 to 6 inches inches of snow expected with snow levels falling to 2500 feet tonight. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Interior portions of Northern Mendocino County. * WHEN...Through 4 PM PST Thursday. Heaviest snow will be overnight into Thursday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening 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. && $$
440 WWUS46 KEKA 160628 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 1028 PM PST Wed Jan 15 2020 ...HEAVY MOUNTAIN SNOW WEDNESDAY NIGHT THROUGH THURSDAY... .A winter storm is expected to impact the region this evening through Thursday, with widespread heavy mountain snow accumulations likely. Snow levels will range from 2000 to 3000 feet by Thursday morning, which will cause heavy snow to accumulate across interior mountain highways, including Highways 299, 199, 36, and 3. In addition, accumulating small hail will be possible across coastal areas late Wednesday night into Thursday. CAZ102-105>108-111-161430- /O.CON.KEKA.WS.W.0001.000000T0000Z-200117T0000Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northeastern Mendocino Interior- 1028 PM PST Wed Jan 15 2020 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. 8 to 24 inches of snow expected at elevations over 3000 feet. Snow accumulations of 3 to 9 inches possible down to 2000 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southern Humboldt Interior, Northern Trinity, Southern Trinity, and Northeastern Mendocino Interior. Highways impacted include 299, 36, 3 and 199. * WHEN...Through 4 PM Thursday. The heaviest snow is expected tonight into Thursday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. && $$ CAZ110-161430- /O.CON.KEKA.WW.Y.0004.000000T0000Z-200117T0000Z/ Northwestern Mendocino Interior- 1028 PM PST Wed Jan 15 2020 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2500 FEET... * WHAT...Snow expected above 2500 feet. 2 to 6 inches inches of snow expected with snow levels falling to 2500 feet tonight. Gusty south winds at the onset of the snow will diminish quickly overnight. * WHERE...Interior portions of Northern Mendocino County. * WHEN...Through 4 PM PST Thursday. Heaviest snow will be overnight into Thursday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening 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. && $$
021 WWUS46 KEKA 161431 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 631 AM PST Thu Jan 16 2020 ...HEAVY MOUNTAIN SNOW WEDNESDAY NIGHT THROUGH THURSDAY... .Snow will gradually taper off later today and tonight. CAZ102-105>108-111-170000- /O.CON.KEKA.WS.W.0001.000000T0000Z-200117T0000Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northeastern Mendocino Interior- 631 AM PST Thu Jan 16 2020 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM THIS AFTERNOON ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. Storm total accumulations of 8 to 24 inches of snow expected at elevations over 3000 feet, with totals of 3 to 9 inches possible down to 2000 feet. * WHERE...Del Norte interior, Humboldt interior, Trinity County, and Northeastern Mendocino interior. Highways impacted include 299, 36, 3 and 199. * WHEN...Through 4 PM today. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. $$ CAZ110-170000- /O.CON.KEKA.WW.Y.0004.000000T0000Z-200117T0000Z/ Northwestern Mendocino Interior- 631 AM PST Thu Jan 16 2020 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM THIS AFTERNOON ABOVE 2500 FEET... * WHAT...Snow expected above 2500 feet. Storm total snow accumulations of 2 to 6 inches. * WHERE...Interior portions of Northern Mendocino County. * WHEN...Through 4 PM Thursday. Heaviest snow will be overnight into Thursday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening 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. $$
972 WWUS46 KEKA 161754 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 954 AM PST Thu Jan 16 2020 CAZ102-105>108-111-170000- /O.CON.KEKA.WS.W.0001.000000T0000Z-200117T0000Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northeastern Mendocino Interior- 954 AM PST Thu Jan 16 2020 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. Storm total accumulations of 8 to 24 inches of snow expected at elevations over 3000 feet, with totals of 3 to 9 inches possible down to 2000 feet. Localized lower amounts of 1 to 3 inches down to 1000 feet, with some slushy accumulations on roadways. * WHERE...Del Norte interior, Humboldt interior, Trinity County, and Northeastern Mendocino interior. Highways impacted include 299, 36, 3 and 199. * WHEN...Through 4 PM today. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. $$ CAZ104-113-170000- /O.EXA.KEKA.WW.Y.0004.000000T0000Z-200117T0000Z/ Southwestern Humboldt-Southeastern Mendocino Interior- 954 AM PST Thu Jan 16 2020 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON ABOVE 1500 FEET... * WHAT...Additional snow accumulations of 1 to 3 inches. Storm total accumulations of 2 to 6 inches, with highest amounts above 2000 feet. * WHERE...Southwestern Humboldt and Southeastern Mendocino Interior Counties. Highways impacted include higher elevation portions of Highway 101 and Highway 20. * WHEN...Through 4 PM Thursday. Heaviest, steadiest snow through midday. Precipitation becoming more showery but still occasionally heavy this afternoon. * IMPACTS...Travel could be difficult. Chain requirements or occasional road closures are possible. * ADDITIONAL DETAILS... 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. && $$ CAZ110-170000- /O.CON.KEKA.WW.Y.0004.000000T0000Z-200117T0000Z/ Northwestern Mendocino Interior- 954 AM PST Thu Jan 16 2020 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON ABOVE 1500 FEET... * WHAT...1 to 3 inches expected above 1500 feet. 3 to 8 inches possible above 2500 feet. Localized slushy inch or two down to 1000 feet. * WHERE...Interior portions of Northern Mendocino County. Higher summits of Highway 101 and Highway 20. * WHEN...Through 4 PM Thursday. Heaviest steadiest snow through midday, then becoming more showery but occasionally heavy at times. * IMPACTS...Travel could be difficult. Chain requirements or occasional road closures will be possible. Roadways should be just wet most of the time below 1500 feet, but some brief accumulation will be possible during heavier showers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state of California can be obtained by calling 1-800-GAS-ROAD. $$
509 WWUS46 KEKA 162352 WSWEKA URGENT - WINTER WEATHER MESSAGE National Weather Service Eureka CA 352 PM PST Thu Jan 16 2020 CAZ102-105>108-111-170100- /O.EXP.KEKA.WS.W.0001.000000T0000Z-200117T0000Z/ Del Norte Interior-Northern Humboldt Interior- Southern Humboldt Interior-Northern Trinity-Southern Trinity- Northeastern Mendocino Interior- 352 PM PST Thu Jan 16 2020 ...WINTER STORM WARNING WILL EXPIRE AT 4 PM PST THIS AFTERNOON ABOVE 2000 FEET... Snow showers will continue to diminish this evening. Any additional accumulations will be limited to a coating to an inch in the most persistent showers early this evening, otherwise expect improving roadway conditions tonight. $$ CAZ104-110-113-170100- /O.EXP.KEKA.WW.Y.0004.000000T0000Z-200117T0000Z/ Southwestern Humboldt-Northwestern Mendocino Interior- Southeastern Mendocino Interior- 352 PM PST Thu Jan 16 2020 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON ABOVE 1500 FEET... Snow showers will continue to diminish this evening. Any additional accumulations will be limited to a quick coating in the most persistent showers early this evening, otherwise expect improving roadway conditions tonight. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 14, 2:53 AM PST | Gale Watch | EKA | 12 hr | |
| Jan 14, 2:53 AM PST | Gale Warning | EKA | 47 hr | |
| Jan 14, 3:08 AM PST | Wind Advisory | EKA | Del Norte, Humboldt | 43 hr |
Nearby
Winter Storm Warnings in California, 2020Every winter storm warning in 2020
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.