Alert archive / California / Winter Storm Warnings in 2022

Winter Storm Warning 4, NWS Eureka, CA

November 5, 2022Del Norte County, Humboldt County, Trinity County, California

NWS Eureka, CA issued this winter storm warning at Nov 5, 2022, 3:27 AM PDT for Del Norte County, Humboldt County, Trinity County, California. It took effect at Nov 6, 2022, 11:00 AM PST. It was in force for 59 hr. 12 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
Nov 5, 2022, 3:27 AM PDT (10:27 UTC)
In effect from
Nov 6, 2022, 11:00 AM PST
Expired
Nov 8, 2022, 10:28 PM PST
In force
59 hr
Issued by
NWS Eureka, CA

Counties Del Norte County, CA, Humboldt County, CA, Trinity County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 80 km from the middle of the area, began a volume at 10:29 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

TimeReportWhereRemark
Nov 7, 7:00 AM PSTSNOW 0.53 Nne Ruth, CACOCORAHS REPORT OF 0.5 INCHES OF SNOW FELL AT AN ELEVATION OF 2,762 FEET DURING 24-HOURS.
Nov 7, 7:00 AM PSTSNOW 1.55 Se Dinsmore, CACOCORAHS REPORT OF 1.5 INCHES OF SNOW FELL AT AN ELEVATION OF 2,532 FEET DURING 24-HOURS.
Nov 7, 7:00 AM PSTSNOW 5.24 Sse Dinsmore, CACOCORAHS REPORT OF 5.2 INCHES OF SNOW FELL AT AN ELEVATION OF 4,220 FEET DURING A 24-HOUR DURATION.
Nov 7, 7:40 AM PSTSNOW 0.53 W Dinsmore, CASTEADY FALLING AT SUNRISE.
Nov 7, 7:47 AM PSTSNOW 1.54 Wsw Dinsmore, CAAT 4AM NO SNOW; AT 6 AM 1.5 INCHES ELEVATION 2700 FEET.
Nov 7, 4:00 PM PSTSNOW 83 Wsw Willow Creek, CAEIGHT INCHES OF SNOW AT AN ELEVATION OF 4800 FEET ON TITLOW HILL ROAD.
Nov 7, 4:15 PM PSTSNOW 83 W Willow Creek, CAREPORTED AT HORSE MOUNTAIN ON TITLOW HILL ROAD: CHAINS REQUIRED.
Nov 8, 7:00 AM PSTSNOW 1.26 Ssw Lewiston, CAOVER PAST 24 HOURS.
Nov 8, 7:00 AM PSTSNOW 74 Sse Dinsmore, CAOVER PAST 24 HOURS.
Nov 8, 9:00 AM PSTSNOW 12.313 N Carrville, CAMEASURED OVER 48 HOURS, NEAR SCOTT MOUNTAIN PASS WHICH IS CLOSED.
Nov 8, 11:51 AM PSTSNOW 22 Wnw Ruth, CA2 INCHES FROM 7PM TO 10PM MONDAY 11/7/2022 STATION ELEVATION: 3099 FT.
Nov 8, 2:20 PM PSTSNOW 63 W Willow Creek, CAREPORTED ON TITLOW HILL ROAD OVER THE PAST 22 HOURS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 00:00Z, 10.5 hours before the alert went out and 165 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 00:00Z on 2022-11-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 00:00Z on 2022-11-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 229 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
902 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
229 m²/s²
0-3 km storm-relative helicity
424 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

514 
WWUS46 KEKA 051027
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
327 AM PDT Sat Nov 5 2022

CAZ106-111-051130-
/O.CAN.KEKA.WS.A.0003.221106T1900Z-221107T1900Z/
Southern Humboldt Interior-Northeastern Mendocino Interior-
327 AM PDT Sat Nov 5 2022

...WINTER STORM WATCH IS CANCELLED...

$$

CAZ102-105-107-108-051830-
/O.UPG.KEKA.WS.A.0003.221106T1900Z-221107T1900Z/
/O.NEW.KEKA.WS.W.0004.221106T1900Z-221107T1200Z/
Del Norte Interior-Northern Humboldt Interior-Northern Trinity-
Southern Trinity-
327 AM PDT Sat Nov 5 2022

...WINTER STORM WARNING IN EFFECT FROM 11 AM SUNDAY TO 4 AM PST
MONDAY ABOVE 3000 FEET...

* WHAT...Heavy snow expected above 3000 feet. Total snow 
  accumulations of up to 11 inches. Winds gusting as high as 35 
  mph.

* WHERE...Del Norte Interior, Northern Humboldt Interior, 
  Northern Trinity and Southern Trinity Counties.

* WHEN...From 11 AM Sunday to 4 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.

&&

$$
16 follow-up statements
228 
WWUS46 KEKA 051831
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1131 AM PDT Sat Nov 5 2022

CAZ102-105-107-108-060245-
/O.CON.KEKA.WS.W.0004.221106T1900Z-221107T1200Z/
Del Norte Interior-Northern Humboldt Interior-Northern Trinity-
Southern Trinity-
1131 AM PDT Sat Nov 5 2022

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO
4 AM PST MONDAY ABOVE 3000 FEET...

* WHAT...Heavy snow expected above 3000 feet. Total snow 
  accumulations of up to 11 inches. Winds gusting as high as 35 
  mph.

* WHERE...Del Norte Interior, Northern Humboldt Interior, 
  Northern Trinity and Southern Trinity Counties.

* WHEN...From 11 AM Sunday to 4 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.

&&

$$
083 
WWUS46 KEKA 052105
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
205 PM PDT Sat Nov 5 2022

...Early season winter storm Sunday afternoon through Tuesday...
A strong cold front will bring a period of rain and snow to the
area Sunday afternoon through Tuesday. Snow levels will initially
be around 5,000 feet and fall to 3,000 to 3,500 feet by early
Monday morning. Snow showers will continue on Monday and Tuesday
with snow levels around 3,000 feet. Snow amounts will generally be
lighter than the first round. 

CAZ102-060515-
/O.CON.KEKA.WS.W.0004.221106T1900Z-221107T1200Z/
Del Norte Interior-
205 PM PDT Sat Nov 5 2022

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO
4 AM PST MONDAY ABOVE 3000 FEET...

* WHAT...Heavy snow expected above 3000 feet. Total snow
  accumulations of 6 to 18 inches.

* WHERE...Del Norte Interior County above 3000 feet.

* WHEN...From 11 AM Sunday to 4 AM PST Monday.

* IMPACTS...Travel could be very difficult to impossible.

* Additional Details...Local snow accumulations up to 2 inches are
  possible down to 2500 feet late Sunday night.

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.

&&

$$

CAZ105-107-108-060515-
/O.CON.KEKA.WS.W.0004.221106T1900Z-221107T1200Z/
Northern Humboldt Interior-Northern Trinity-Southern Trinity-
205 PM PDT Sat Nov 5 2022

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO
4 AM PST MONDAY ABOVE 3500 FEET...

* WHAT...Heavy snow expected above 3500 feet. Total snow 
  accumulations of 6 to 12 inches. Winds gusting as high as 40 
  mph.

* WHERE...Northern Humboldt Interior, Northern Trinity and
  Southern Trinity Counties. Mainly above 3500 feet, although snow
  levels will fall to 3,000 feet late Sunday night.

* WHEN...From 11 AM Sunday to 4 AM PST Monday.

* IMPACTS...Travel could be very difficult to impossible.

* Additional Details...Local snow accumulations up to 2 inches are
  possible down to 2500 feet late Sunday night.

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.

&&

$$
597 
WWUS46 KEKA 060505
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1005 PM PDT Sat Nov 5 2022

Winter weather is expected Sunday afternoon through Tuesday. A 
strong cold front will bring a period of rain and snow to the area
Sunday afternoon through Tuesday. Snow levels will initially be 
around 5,000 feet and fall to 3,000 to 3,500 feet by early Monday 
morning. Snow showers will continue on Monday and Tuesday with 
snow levels around 3,000 feet. Snow amounts will generally be 
lighter than the first round.

CAZ102-061400-
/O.CON.KEKA.WS.W.0004.221106T1900Z-221107T1200Z/
Del Norte Interior-
1005 PM PDT Sat Nov 5 2022

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO
4 AM PST MONDAY ABOVE 3000 FEET...

* WHAT...Heavy snow expected above 3000 feet. Total snow 
  accumulations of 6 to 18 inches.

* WHERE...Del Norte Interior County.

* WHEN...From 11 AM Sunday to 4 AM PST Monday.

* IMPACTS...Travel could be very difficult to impossible.

* ADDITIONAL DETAILS...Local snow accumulations up to 2 inches are
  possible down to 2500 feet late Sunday night.

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.

&&

$$

CAZ105-107-108-061400-
/O.CON.KEKA.WS.W.0004.221106T1900Z-221107T1200Z/
Northern Humboldt Interior-Northern Trinity-Southern Trinity-
1005 PM PDT Sat Nov 5 2022

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO
4 AM PST MONDAY ABOVE 3500 FEET...

* WHAT...Heavy snow expected above 3500 feet. Total snow 
  accumulations of 1 to 12 inches. Winds gusting as high as 40 
  mph.

* WHERE...Northern Humboldt Interior, Northern Trinity and 
  Southern Trinity Counties.

* WHEN...From 11 AM Sunday to 4 AM PST Monday.

* IMPACTS...Travel could be very difficult to impossible.

* ADDITIONAL DETAILS...Local snow accumulations up to 2 inches are
  possible down to 2500 feet late Sunday night.

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.

&&

$$
423 
WWUS46 KEKA 061352
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
552 AM PST Sun Nov 6 2022

Winter weather is expected this afternoon through Tuesday. A 
strong cold front will bring a period of rain and snow to the area
this afternoon through Tuesday. Snow levels will initially be 
around 5,000 feet and fall to 3,000 to 3,500 feet by early Monday 
morning. Snow showers will continue on Monday and Tuesday with 
snow levels around 3,000 feet. Snow amounts will generally be 
lighter than the first round.

CAZ102-062200-
/O.CON.KEKA.WS.W.0004.221106T1900Z-221107T1200Z/
Del Norte Interior-
552 AM PST Sun Nov 6 2022

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 4 AM PST MONDAY ABOVE 3000 FEET...

* WHAT...Heavy snow expected above 3000 feet. Total snow
  accumulations of 2 to 20 inches. 

* WHERE...Del Norte Interior County.

* WHEN...From 11 AM this morning to 4 AM PST Monday.

* IMPACTS...Travel could be very difficult to impossible.

* ADDITIONAL DETAILS...Local snow accumulations up to 2 inches are
  possible down to 2500 feet late tonight.


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.

&&

$$

CAZ105-107-108-062200-
/O.CON.KEKA.WS.W.0004.221106T1900Z-221107T1200Z/
Northern Humboldt Interior-Northern Trinity-Southern Trinity-
552 AM PST Sun Nov 6 2022

...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 4 AM PST MONDAY ABOVE 3500 FEET...

* WHAT...Heavy snow expected above 3500 feet. Total snow
  accumulations of up to 13 inches. 

* WHERE...Northern Humboldt Interior, Northern Trinity and 
  Southern Trinity Counties.

* WHEN...From 11 AM this morning to 4 AM PST Monday.

* IMPACTS...Travel could be very difficult to impossible.

* ADDITIONAL DETAILS...Local snow accumulations up to 2 inches are
  possible down to 2500 feet late Sunday night.

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.

&&

$$
286 
WWUS46 KEKA 062149
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
149 PM PST Sun Nov 6 2022

Heavy snow is expected tonight through Tuesday. A strong cold 
front will bring rain showers and snow showers tonight through 
Tuesday. Snow levels will fall to 3,000 to 3,500 feet tonight. 
Snow showers will continue on Monday and Tuesday with snow levels 
around 3,000 feet or higher. 

CAZ102-070600-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221107T1200Z/
Del Norte Interior-
149 PM PST Sun Nov 6 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY
ABOVE 3000 FEET...

* WHAT...Heavy snow above 3000 feet. Additional snow 
  accumulations of 2 to 12 inches.

* WHERE...Del Norte Interior County.

* WHEN...Until 4 AM PST Monday.

* IMPACTS...Travel could be very difficult.


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.

&&

$$

CAZ105-107-108-070600-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221107T1200Z/
Northern Humboldt Interior-Northern Trinity-Southern Trinity-
149 PM PST Sun Nov 6 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY
ABOVE 3500 FEET...

* WHAT...Heavy snow above 3500 feet. Additional snow 
  accumulations of 2 to 11 inches. Winds gusting as high as 35 
  mph.

* WHERE...Northern Humboldt Interior, Northern Trinity and 
  Southern Trinity Counties.

* WHEN...Until 4 AM PST Monday.

* IMPACTS...Travel could be very difficult to impossible.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state of California can be
obtained by calling 1-800-GAS-ROAD.

&&

$$
136 
WWUS46 KEKA 070601
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1001 PM PST Sun Nov 6 2022

Heavy snow is expected tonight through Tuesday. A strong cold
front will bring rain showers and snow showers tonight through
Tuesday. Snow levels will fall to 3,000 to 3,500 feet tonight.
Snow showers will continue on Monday and Tuesday with snow levels
around 3,000 feet or higher.

CAZ102-071200-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221107T1200Z/
Del Norte Interior-
1001 PM PST Sun Nov 6 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY
ABOVE 3000 FEET...

* WHAT...Heavy snow above 3000 feet. Additional snow 
  accumulations of 1 to 3 inches.

* WHERE...Del Norte Interior County.

* WHEN...Until 4 AM PST Monday.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$

CAZ105-107-108-071200-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221107T1200Z/
Northern Humboldt Interior-Northern Trinity-Southern Trinity-
1001 PM PST Sun Nov 6 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY
ABOVE 3500 FEET...

* WHAT...Heavy snow above 3500 feet. Additional snow 
  accumulations of up to 3 inches. Winds gusting as high as 35 
  mph.

* WHERE...Northern Humboldt Interior, Northern Trinity and 
  Southern Trinity Counties.

* WHEN...Until 4 AM PST Monday.

* IMPACTS...Plan on slippery road conditions.

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.

&&

$$
875 
WWUS46 KEKA 070829
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1229 AM PST Mon Nov 7 2022

Heavy snow is expected tonight through Tuesday. A strong cold
front will bring rain showers and snow showers tonight through
Tuesday. Snow levels will fall to 3,000 to 3,500 feet tonight.
Snow showers will continue on Monday and Tuesday with snow levels
around 3,000 feet or higher.

CAZ108-071630-
/O.CAN.KEKA.WS.W.0004.000000T0000Z-221107T1200Z/
/O.NEW.KEKA.WW.Y.0009.221107T0829Z-221109T1200Z/
Southern Trinity-
1229 AM PST Mon Nov 7 2022

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST WEDNESDAY
ABOVE 3000 FEET...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow above 3000 feet. Additional snow accumulations of 3
  to 7 inches.

* WHERE...Southern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state of California can be
obtained by calling 1-800-GAS-ROAD.

&&

$$

CAZ102-105-070930-
/O.CAN.KEKA.WS.W.0004.000000T0000Z-221107T1200Z/
Del Norte Interior-Northern Humboldt Interior-
1229 AM PST Mon Nov 7 2022

...WINTER STORM WARNING IS CANCELLED...



$$

CAZ107-071630-
/O.EXT.KEKA.WS.W.0004.000000T0000Z-221109T1200Z/
Northern Trinity-
1229 AM PST Mon Nov 7 2022

...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 AM PST WEDNESDAY
ABOVE 3000 FEET...

* WHAT...Heavy snow above 3000 feet. Additional snow accumulations
  of 7 to 20 inches. Winds gusting as high as 35 mph.

* WHERE...Northern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$
444 
WWUS46 KEKA 070843
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1243 AM PST Mon Nov 7 2022


CAZ107-071645-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221109T1200Z/
Northern Trinity-
1243 AM PST Mon Nov 7 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Heavy snow above 3000 feet. Additional snow accumulations
  of 7 to 20 inches. Winds gusting as high as 35 mph.

* WHERE...Northern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$

CAZ108-071645-
/O.CON.KEKA.WW.Y.0009.000000T0000Z-221109T1200Z/
Southern Trinity-
1243 AM PST Mon Nov 7 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Snow above 3000 feet. Additional snow accumulations of 3
  to 7 inches.

* WHERE...Southern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state of California can be
obtained by calling 1-800-GAS-ROAD.

&&

$$
180 
WWUS46 KEKA 071004
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
204 AM PST Mon Nov 7 2022

CAZ107-071815-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221109T1200Z/
Northern Trinity-
204 AM PST Mon Nov 7 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Heavy snow above 3000 feet. Additional snow accumulations
  of 7 to 20 inches.

* WHERE...Northern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$

CAZ108-071815-
/O.CON.KEKA.WW.Y.0009.000000T0000Z-221109T1200Z/
Southern Trinity-
204 AM PST Mon Nov 7 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Snow above 3000 feet. Additional snow accumulations of 3
  to 7 inches.

* WHERE...Southern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state of California can be
obtained by calling 1-800-GAS-ROAD.

&&

$$
933 
WWUS46 KEKA 071816
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1016 AM PST Mon Nov 7 2022

CAZ107-080430-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221109T1200Z/
Northern Trinity-
1016 AM PST Mon Nov 7 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Heavy snow above 3000 feet. Additional snow accumulations
  of up to 12 inches.

* WHERE...Northern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$

CAZ108-080430-
/O.CON.KEKA.WW.Y.0009.000000T0000Z-221109T1200Z/
Southern Trinity-
1016 AM PST Mon Nov 7 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Snow above 3000 feet. Additional snow accumulations of 3
  to 7 inches.

* WHERE...Southern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state of California can be
obtained by calling 1-800-GAS-ROAD.

&&

$$
400 
WWUS46 KEKA 080719
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1119 PM PST Mon Nov 7 2022

CAZ107-081530-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221109T1200Z/
Northern Trinity-
1119 PM PST Mon Nov 7 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Heavy snow above 3000 feet. Additional snow 
  accumulations of 7 to 15 inches.

* WHERE...Northern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$

CAZ108-081530-
/O.EXT.KEKA.WW.Y.0009.000000T0000Z-221109T0400Z/
Southern Trinity-
1119 PM PST Mon Nov 7 2022

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 PM PST TUESDAY
ABOVE 3000 FEET...

* WHAT...Snow above 3000 feet. Additional snow accumulations of 
  3 to 7 inches.

* WHERE...Southern Trinity County.

* WHEN...Until 8 PM PST Tuesday.

* 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.

&&

$$
633 
WWUS46 KEKA 080728
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1128 PM PST Mon Nov 7 2022

CAZ107-081530-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221109T1200Z/
Northern Trinity-
1128 PM PST Mon Nov 7 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Heavy snow above 3000 feet. Additional snow 
  accumulations of 7 to 15 inches.

* WHERE...Northern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$

CAZ108-081530-
/O.EXT.KEKA.WW.Y.0009.000000T0000Z-221109T1200Z/
Southern Trinity-
1128 PM PST Mon Nov 7 2022

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 AM PST WEDNESDAY
ABOVE 3000 FEET...

* WHAT...Snow above 3000 feet. Additional snow accumulations of 3
  to 7 inches.

* WHERE...Southern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state of California can be
obtained by calling 1-800-GAS-ROAD.

&&

$$
193 
WWUS46 KEKA 081004
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
204 AM PST Tue Nov 8 2022

CAZ107-081815-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221109T1200Z/
Northern Trinity-
204 AM PST Tue Nov 8 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Heavy snow above 3000 feet. Additional snow 
  accumulations of 7 to 15 inches.

* WHERE...Northern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$

CAZ105-106-081815-
/O.EXA.KEKA.WW.Y.0009.000000T0000Z-221109T1200Z/
Northern Humboldt Interior-Southern Humboldt Interior-
204 AM PST Tue Nov 8 2022

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST WEDNESDAY
ABOVE 3000 FEET...

* WHAT...Snow above 3000 feet. Additional snow accumulations of 
  3 to 7 inches.

* WHERE...Northern Humboldt Interior and Southern Humboldt 
  Interior Counties.

* WHEN...Until 4 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state of California can be
obtained by calling 1-800-GAS-ROAD.

&&

$$

CAZ108-081815-
/O.CON.KEKA.WW.Y.0009.000000T0000Z-221109T1200Z/
Southern Trinity-
204 AM PST Tue Nov 8 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Snow above 3000 feet. Additional snow accumulations of 
  3 to 7 inches.

* WHERE...Southern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$
625 
WWUS46 KEKA 081423
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
623 AM PST Tue Nov 8 2022

CAZ107-082230-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221109T1200Z/
Northern Trinity-
623 AM PST Tue Nov 8 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Heavy snow above 3000 feet. Additional snow 
  accumulations of 7 to 12 inches.

* WHERE...Northern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$

CAZ105-106-108-082230-
/O.CON.KEKA.WW.Y.0009.000000T0000Z-221109T1200Z/
Northern Humboldt Interior-Southern Humboldt Interior-
Southern Trinity-
623 AM PST Tue Nov 8 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Snow above 3000 feet. Additional snow accumulations of 
  3 to 6 inches.

* WHERE...Northern Humboldt Interior, Southern Humboldt Interior 
  and Southern Trinity Counties.

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$
858 
WWUS46 KEKA 082216
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
216 PM PST Tue Nov 8 2022

CAZ107-090630-
/O.CON.KEKA.WS.W.0004.000000T0000Z-221109T1200Z/
Northern Trinity-
216 PM PST Tue Nov 8 2022

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Heavy snow above 3000 feet. Additional snow 
  accumulations of 3 to 7 inches.

* WHERE...Northern Trinity County.

* WHEN...Until 4 AM PST Wednesday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the 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.

&&

$$

CAZ105-106-108-090630-
/O.CON.KEKA.WW.Y.0009.000000T0000Z-221109T1200Z/
Northern Humboldt Interior-Southern Humboldt Interior-
Southern Trinity-
216 PM PST Tue Nov 8 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Snow above 3000 feet. Additional snow accumulations of 
  up to 3 inches.

* WHERE...Northern Humboldt Interior, Southern Humboldt Interior 
  and Southern Trinity Counties.

* WHEN...Until 4 AM PST Wednesday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the 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.

&&

$$
083 
WWUS46 KEKA 090628
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1028 PM PST Tue Nov 8 2022

CAZ107-090730-
/O.CAN.KEKA.WS.W.0004.000000T0000Z-221109T1200Z/
Northern Trinity-
1028 PM PST Tue Nov 8 2022

...WINTER STORM WARNING IS CANCELLED...

Additional snow showers remain possible through late tonight, but
additional snow accumulations will be generally light. 

$$

CAZ105-106-108-091200-
/O.CON.KEKA.WW.Y.0009.000000T0000Z-221109T1200Z/
Northern Humboldt Interior-Southern Humboldt Interior-
Southern Trinity-
1028 PM PST Tue Nov 8 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM 
WEDNESDAY ABOVE 3000 FEET...

* WHAT...Snow above 3000 feet. Additional snow accumulations of 
  up to one inch.

* WHERE...Northern Humboldt Interior, Southern Humboldt Interior,
  and Southern Trinity County.

* WHEN...Until 4 AM Wednesday.

* IMPACTS...Plan on slippery road conditions.

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.

$$

The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 5, 3:05 AM PDTHazardous Seas WatchEKA25 hr

Nearby

Winter Storm Warnings in California, 2022Every winter storm warning in 2022

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.