Alert archive / California / Winter Storm Warnings in 2023

Winter Storm Warning 9, NWS Eureka, CA

March 6, 2023Del Norte County, Humboldt County, Trinity County, California

NWS Eureka, CA issued this winter storm warning at Mar 6, 2023, 2:08 AM PST for Del Norte County, Humboldt County, Trinity County, California. It took effect at Mar 6, 2023, 10:00 PM PST. It was in force for 30 hr. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 6, 2023, 2:08 AM PST (10:08 UTC)
In effect from
Mar 6, 2023, 10:00 PM PST
Expired
Mar 8, 2023, 3:36 AM PST
In force
30 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 10:11 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
Mar 7, 6:00 AM PSTHEAVY SNOW 82 Wnw Ruth, CA8 INCHES OF NEW SNOW FROM 6AM THROUGH 6AM. 40 INCHES ON THE GROUND. STATION ELEVATION: 3099 FT.
Mar 7, 11:30 PM PSTSNOW 810 Ne Weaverville, CASTARTED AT 7 PM AND STILL SNOWING PRETTY GOOD AT TIME OF REPORT. STATION ELEVATION: 2650 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 00:00Z, 10.1 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 2023-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 joules per kilogram.LCLLFCEL10008507005003002001001 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 2023-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.19395878Sfc1 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
24 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1179 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

514 
WWUS46 KEKA 061008
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
208 AM PST Mon Mar 6 2023

CAZ102-061815-
/O.EXP.KEKA.WW.Y.0014.000000T0000Z-230306T1000Z/
/O.NEW.KEKA.WS.W.0009.230307T1500Z-230308T1200Z/
Del Norte Interior-
208 AM PST Mon Mar 6 2023

...WINTER STORM WARNING IN EFFECT FROM 7 AM TUESDAY TO 4 AM PST
WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected above 1500 feet. Total snow
  accumulations of 4 to 12 inches. Light snow accumulation
  possible to as low as 500 feet early Tuesday morning.

* WHERE...Del Norte Interior County.

* WHEN...From 7 AM Tuesday to 4 AM PST Wednesday.

* 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.

&&

$$

CAZ105-061815-
/O.NEW.KEKA.WS.W.0009.230307T1500Z-230308T1200Z/
Northern Humboldt Interior-
208 AM PST Mon Mar 6 2023

...WINTER STORM WARNING IN EFFECT FROM 7 AM TUESDAY TO 4 AM PST
WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected above 1500 feet. Total snow
  accumulations of 4 to 12 inches. Light snow accumulation
  possible to as low as 500 feet early Tuesday morning.

* WHERE...Northern Humboldt Interior County.

* WHEN...From 7 AM Tuesday to 4 AM PST Wednesday.

* 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.

&&

$$

CAZ104-106>108-061815-
/O.NEW.KEKA.WS.W.0009.230307T1800Z-230308T1200Z/
Southwestern Humboldt-Southern Humboldt Interior-Northern Trinity-
Southern Trinity-
208 AM PST Mon Mar 6 2023

...WINTER STORM WARNING IN EFFECT FROM 10 AM TUESDAY TO 4 AM PST
WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected above 1500 feet. Total snow
  accumulations of 4 to 12 inches. Light snow accumulation
  possible to as low as 500 feet in Trinity County Tuesday 
  morning.

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

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

* 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.

&&

$$

CAZ110-111-061815-
/O.NEW.KEKA.WW.Y.0016.230307T1800Z-230308T1200Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
208 AM PST Mon Mar 6 2023

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 4 AM
PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow expected above 1500 feet. Total snow accumulations
  of 3 to 6 inches expected with locally higher amounts.

* WHERE...Northwestern Mendocino Interior and Northeastern 
  Mendocino Interior Counties.

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

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

&&

$$

CAZ114-061815-
/O.NEW.KEKA.WW.Y.0016.230307T1800Z-230308T1200Z/
Northern Lake-
208 AM PST Mon Mar 6 2023

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 4 AM
PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow expected above 1500 feet. Total snow accumulations
  of 3 to 6 inches expected with locally higher amounts.

* WHERE...Northern Lake County.

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

* IMPACTS...Travel could be very difficult.


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.

&&

$$
10 follow-up statements
077 
WWUS46 KEKA 061801
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1001 AM PST Mon Mar 6 2023

CAZ102-105-070215-
/O.CON.KEKA.WS.W.0009.230307T1500Z-230308T1200Z/
Del Norte Interior-Northern Humboldt Interior-
1001 AM PST Mon Mar 6 2023

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TUESDAY TO
4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected above 1500 feet. Total snow 
  accumulations of 4 to 12 inches. Light snow accumulation 
  possible to as low as 500 feet early Tuesday morning.

* WHERE...Del Norte Interior County.

* WHEN...From 7 AM Tuesday to 4 AM PST Wednesday.

* 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.

&&

$$

CAZ104-106>108-070215-
/O.CON.KEKA.WS.W.0009.230307T1800Z-230308T1200Z/
Southwestern Humboldt-Southern Humboldt Interior-Northern Trinity-
Southern Trinity-
1001 AM PST Mon Mar 6 2023

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO
4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected above 1500 feet. Total snow 
  accumulations of 4 to 12 inches. Light snow accumulation 
  possible to as low as 500 feet in Trinity County Tuesday 
  morning.

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

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

* 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.

&&

$$

CAZ110-111-070215-
/O.CON.KEKA.WW.Y.0016.230307T1800Z-230308T1200Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
1001 AM PST Mon Mar 6 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY
TO 4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow expected above 1500 feet. Total snow accumulations 
  of 3 to 6 inches expected with locally higher amounts.

* WHERE...Northwestern Mendocino Interior and Northeastern 
  Mendocino Interior Counties.

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

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

&&

$$

CAZ114-070215-
/O.CON.KEKA.WW.Y.0016.230307T1800Z-230308T1200Z/
Northern Lake-
1001 AM PST Mon Mar 6 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY
TO 4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow expected above 1500 feet. Total snow accumulations 
  of 3 to 6 inches expected with locally higher amounts.

* WHERE...Northern Lake County.

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

* IMPACTS...Travel could be very difficult.

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.

&&

$$
121 
WWUS46 KEKA 062057
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1257 PM PST Mon Mar 6 2023

CAZ102-105-070600-
/O.CON.KEKA.WS.W.0009.230307T1500Z-230308T1200Z/
Del Norte Interior-Northern Humboldt Interior-
1257 PM PST Mon Mar 6 2023

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM TUESDAY TO
4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected above 1500 feet. Total snow 
  accumulations of 5 to 14 inches.

* WHERE...Del Norte Interior and Northern Humboldt Interior 
  Counties.

* WHEN...From 7 AM Tuesday to 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.

&&

$$

CAZ104-106>108-070600-
/O.CON.KEKA.WS.W.0009.230307T1800Z-230308T1200Z/
Southwestern Humboldt-Southern Humboldt Interior-Northern Trinity-
Southern Trinity-
1257 PM PST Mon Mar 6 2023

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO
4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected above 1500 feet. Total snow 
  accumulations of 2 to 11 inches.

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

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

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

&&

$$

CAZ110-111-070600-
/O.CON.KEKA.WW.Y.0016.230307T1800Z-230308T1200Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
1257 PM PST Mon Mar 6 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY
TO 4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow expected above 1500 feet. Total snow accumulations 
  of up to 10 inches.

* WHERE...Northwestern Mendocino Interior and Northeastern 
  Mendocino Interior Counties.

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

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

&&

$$

CAZ114-070600-
/O.CON.KEKA.WW.Y.0016.230307T1800Z-230308T1200Z/
Northern Lake-
1257 PM PST Mon Mar 6 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY
TO 4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow expected above 1500 feet. Total snow accumulations 
  of 2 to 9 inches.

* WHERE...Northern Lake County.

* WHEN...From 10 AM Tuesday to 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.

&&

$$
579 
WWUS46 KEKA 070224
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
624 PM PST Mon Mar 6 2023

CAZ102-104>106-071030-
/O.EXT.KEKA.WS.W.0009.230307T0600Z-230308T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
624 PM PST Mon Mar 6 2023

...WINTER STORM WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO
4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected above 1500 feet. Total snow
  accumulations ranging from 5 inches at 1500 feet to 24 inches
  across higher ridges and passes.

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

* WHEN...From 10 PM this evening to 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.

&&

$$

CAZ107-108-071030-
/O.CON.KEKA.WS.W.0009.230307T1800Z-230308T1200Z/
Northern Trinity-Southern Trinity-
624 PM PST Mon Mar 6 2023

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO
4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected above 1500 feet. Total snow
  accumulations ranging from 5 inches near 1500 feet to 12 
  inches across higher ridges and passes.

* WHERE...Northern Trinity and Southern Trinity Counties.

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

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

&&

$$

CAZ113-115-071030-
/O.EXA.KEKA.WW.Y.0016.230307T1800Z-230308T1200Z/
Southeastern Mendocino Interior-Southern Lake-
624 PM PST Mon Mar 6 2023

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM TUESDAY TO 4 AM
PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow expected above 1500 feet. Total snow accumulations 
  of up to 5 inches.

* WHERE...Southeastern Mendocino Interior and Southern Lake 
  Counties.

* WHEN...From 10 AM Tuesday to 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.

&&

$$

CAZ110-111-114-071030-
/O.CON.KEKA.WW.Y.0016.230307T1800Z-230308T1200Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Northern Lake-
624 PM PST Mon Mar 6 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY
TO 4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow expected above 1500 feet. Total snow accumulations
  of up to 6 inches.

* WHERE...Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior and Northern Lake Counties.

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

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

&&

$$
346 
WWUS46 KEKA 070643
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1043 PM PST Mon Mar 6 2023

CAZ102-104>106-071445-
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
1043 PM PST Mon Mar 6 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow above 1500 feet. Additional snow accumulations
  of 5 inches near 1500 feet ranging to 24 inches across higher
  ridges and passes.

* WHERE...Del Norte Interior, Southwestern Humboldt, 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...

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.

&&

$$

CAZ107-108-071445-
/O.CON.KEKA.WS.W.0009.230307T1800Z-230308T1200Z/
Northern Trinity-Southern Trinity-
1043 PM PST Mon Mar 6 2023

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM TUESDAY TO
4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected above 1500 feet. Total snow
  accumulations ranging from 5 inches near 1500 feet to 12 
  inches across higher ridges and passes.

* WHERE...Northern Trinity and Southern Trinity Counties.

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

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

&&

$$

CAZ110-111-113>115-071445-
/O.CON.KEKA.WW.Y.0016.230307T1800Z-230308T1200Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
1043 PM PST Mon Mar 6 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM TUESDAY
TO 4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow expected above 1500 feet. Total snow accumulations
  of up to 6 inches.

* WHERE...Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

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

&&

$$
294 
WWUS46 KEKA 071108
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
308 AM PST Tue Mar 7 2023

CAZ102-104>106-072000-
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
308 AM PST Tue Mar 7 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow above 1500 feet. Additional snow accumulations
  of 4 to 6 inches near 1500 feet and 12 to 24 inches across 
  higher ridges and passes.

* WHERE...Del Norte Interior, Southwestern Humboldt, 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...

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.

&&

$$

CAZ107-108-072000-
/O.CON.KEKA.WS.W.0009.230307T1800Z-230308T1200Z/
Northern Trinity-Southern Trinity-
308 AM PST Tue Mar 7 2023

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected above 1500 feet. Total snow
  accumulations ranging from 5 inches near 1500 feet to 12 
  inches across higher ridges and passes.

* WHERE...Northern Trinity and Southern Trinity Counties.

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

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

&&

$$

CAZ101-103-072000-
/O.EXB.KEKA.WW.Y.0016.230308T0200Z-230308T0900Z/
Coastal Del Norte-Northern Humboldt Coast-
308 AM PST Tue Mar 7 2023

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
1 AM PST WEDNESDAY...

* WHAT...Small hail accumulation expected.

* WHERE...Coastal Del Norte and Northern Humboldt Coast Counties.

* WHEN...From 6 PM this evening to 1 AM PST Wednesday.

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

* 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.

&&

$$

CAZ110-111-113>115-072000-
/O.CON.KEKA.WW.Y.0016.230307T1800Z-230308T1200Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
308 AM PST Tue Mar 7 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 4 AM PST WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow expected above 1500 feet. Total snow accumulations 
  of up to 6 inches.

* WHERE...Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...From 10 AM Tuesday to 4 AM PST Wednesday.

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

&&

$$
324 
WWUS46 KEKA 072003
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1203 PM PST Tue Mar 7 2023

CAZ102-104>108-080415-
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
Northern Trinity-Southern Trinity-
1203 PM PST Tue Mar 7 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow above 1500 feet. Additional snow accumulations
  of 4 to 6 inches near 1500 feet and 6 to 18 inches across 
  higher ridges and passes.

* WHERE...Portions of northwest California.

* WHEN...Until 4 AM PST Wednesday.

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

&&

$$

CAZ101-103-080415-
/O.CON.KEKA.WW.Y.0016.230308T0200Z-230308T0900Z/
Coastal Del Norte-Northern Humboldt Coast-
1203 PM PST Tue Mar 7 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 1 AM PST WEDNESDAY...

* WHAT...Small hail accumulation expected.

* WHERE...Coastal Del Norte and Northern Humboldt Coast Counties.

* WHEN...From 6 PM this evening to 1 AM PST 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.

&&

$$

CAZ110-111-113>115-080415-
/O.CON.KEKA.WW.Y.0016.000000T0000Z-230308T1200Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
1203 PM PST Tue Mar 7 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow above 1500 feet. Additional snow accumulations of up
  to 6 inches.

* WHERE...Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...Until 4 AM PST Wednesday.

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

&&

$$
413 
WWUS46 KEKA 072145
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
145 PM PST Tue Mar 7 2023

CAZ107-080815-
/O.NEW.KEKA.WS.A.0006.230309T1500Z-230311T0300Z/
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
Northern Trinity-
145 PM PST Tue Mar 7 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY EVENING ABOVE 3000 FEET...

* WHAT...For the Winter Storm Warning above 1500 feet, heavy snow.
  Additional snow accumulations of 3 to 8 inches with local
  amounts up to 16 inches. For the Winter Storm Watch above 3000
  feet, heavy snow possible. Total snow accumulations of 8 to 12
  inches possible with over two feet at the higher elevations. 
  Winds could gust as high as 60 mph.

* WHERE...Northern Trinity County.

* WHEN...For the Winter Storm Warning, until 4 AM PST Wednesday. 
  For the Winter Storm Watch, from Thursday morning through 
  Friday evening.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning or evening 
  commute. Strong winds could cause tree damage.

* ADDITIONAL DETAILS...Snow levels will start out around 3000 feet
  on Thursday and slowly rise to 4500 feet late Thursday night or
  Friday.

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.

&&

$$

CAZ108-080815-
/O.NEW.KEKA.WS.A.0006.230309T1500Z-230310T0300Z/
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
Southern Trinity-
145 PM PST Tue Mar 7 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING ABOVE 3500 FEET...

* WHAT...For the Winter Storm Warning above 1500 feet, heavy snow.
  Additional snow accumulations of 4 to 8 inches with local
  amounts up to 16 inches at the higher elevations. For the 
  Winter Storm Watch above 3500 feet, heavy snow possible. Total 
  snow accumulations of 2 to 9 inches possible. Winds could gust 
  as high as 45 mph.

* WHERE...Southern Trinity County.

* WHEN...For the Winter Storm Warning, until 4 AM PST Wednesday. 
  For the Winter Storm Watch, from Thursday morning through 
  Thursday evening.

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

* ADDITIONAL DETAILS...Snow levels will start out around 3000 feet
  on Thursday and rise over 4500 feet by Thursday evening.

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>106-080815-
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
145 PM PST Tue Mar 7 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow above 1500 feet. Additional snow accumulations
  of 3 to 6 inches as low as 1500 feet with up to 15 inches at the
  higher elevations. 

* WHERE...Del Norte Interior, Southwestern Humboldt, 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 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.

&&

$$

CAZ101-103-080815-
/O.CON.KEKA.WW.Y.0016.230308T0200Z-230308T0900Z/
Coastal Del Norte-Northern Humboldt Coast-
145 PM PST Tue Mar 7 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 1 AM PST WEDNESDAY...

* WHAT...Small hail accumulation is expected in the heavier
  showers.

* WHERE...Coastal Del Norte and Northern Humboldt Coast Counties.

* WHEN...From 6 PM this evening to 1 AM PST 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.

&&

$$

CAZ110-111-113>115-080815-
/O.CON.KEKA.WW.Y.0016.000000T0000Z-230308T1200Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
145 PM PST Tue Mar 7 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow above 1500 feet. Additional snow accumulations of 3
  to 5 inches as low as 1500 feet with up to 15 inches at the
  higher elevations.

* WHERE...Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...Until 4 AM PST Wednesday.

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

&&

$$
309 
WWUS46 KEKA 080525
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
925 PM PST Tue Mar 7 2023

CAZ107-081330-
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
/O.CON.KEKA.WS.A.0006.230309T1500Z-230311T0300Z/
Northern Trinity-
925 PM PST Tue Mar 7 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY EVENING ABOVE 3000 FEET...

* WHAT...For the Winter Storm Warning above 1500 feet, heavy snow.
  Additional snow accumulations of 5 inches. For the Winter Storm
  Watch above 3000 feet, heavy snow possible. Total snow
  accumulations of 6 to 12 inches possible, with higher amounts
  across taller peaks. Winds could gust as high as 65 mph.

* WHERE...Northern Trinity County.

* WHEN...For the Winter Storm Warning, until 4 AM PST Wednesday. 
  For the Winter Storm Watch, from Thursday morning through 
  Friday evening.

* IMPACTS...Travel could be very difficult to impossible. The
  hazardous conditions could impact the morning or evening
  commute. Strong winds could cause tree damage.

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.

&&

$$

CAZ108-081330-
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
/O.CON.KEKA.WS.A.0006.230309T1500Z-230310T0300Z/
Southern Trinity-
925 PM PST Tue Mar 7 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING ABOVE 3500 FEET...

* WHAT...For the Winter Storm Warning above 1500 feet, heavy snow.
  Additional snow accumulations of 6 inches. For the Winter Storm
  Watch above 3500 feet, heavy snow possible. Total snow
  accumulations of 7 inches possible. Winds could gust as high as
  45 mph.

* WHERE...Southern Trinity County.

* WHEN...For the Winter Storm Warning, until 4 AM PST Wednesday. 
  For the Winter Storm Watch, from Thursday morning through 
  Thursday evening.

* 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. 

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>106-081200-
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
925 PM PST Tue Mar 7 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...

* WHAT...Heavy snow above 1500 feet. Additional snow accumulations
  of 5 inches.

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

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$

CAZ101-103-080900-
/O.CON.KEKA.WW.Y.0016.000000T0000Z-230308T0900Z/
Coastal Del Norte-Northern Humboldt Coast-
925 PM PST Tue Mar 7 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM PST
WEDNESDAY...

* WHAT...Hail, sleet, and wet snow. Additional snow accumulations
  of up to one inch.

* WHERE...Coastal Del Norte and Northern Humboldt Coast Counties.

* WHEN...Until 1 AM PST 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.

&&

$$

CAZ110-111-113>115-081200-
/O.CON.KEKA.WW.Y.0016.000000T0000Z-230308T1200Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
925 PM PST Tue Mar 7 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY ABOVE 1500 FEET...

* WHAT...Snow above 1500 feet. Additional snow accumulations of 2
  to 6 inches.

* WHERE...Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...Until 4 AM PST Wednesday.

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

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.

&&

$$
475 
WWUS46 KEKA 080851
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1251 AM PST Wed Mar 8 2023

CAZ101-103-081000-
/O.EXP.KEKA.WW.Y.0016.000000T0000Z-230308T0900Z/
Coastal Del Norte-Northern Humboldt Coast-
1251 AM PST Wed Mar 8 2023

...WINTER WEATHER ADVISORY WILL EXPIRE AT 1 AM PST EARLY THIS
MORNING...

$$

CAZ107-081700-
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
/O.CON.KEKA.WS.A.0006.230309T1500Z-230311T0300Z/
Northern Trinity-
1251 AM PST Wed Mar 8 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST EARLY
THIS MORNING ABOVE 1500 FEET...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY EVENING ABOVE 3000 FEET...

* WHAT...For the Winter Storm Warning above 1500 feet, heavy 
  snow. Additional snow accumulations of 5 inches. For the 
  Winter Storm Watch above 3000 feet, heavy snow possible. Total 
  snow accumulations of 6 to 12 inches possible, with higher 
  amounts across taller peaks. Winds could gust as high as 65 
  mph.

* WHERE...Northern Trinity County.

* WHEN...For the Winter Storm Warning, until 4 AM PST Wednesday. 
  For the Winter Storm Watch, from Thursday morning through 
  Friday evening.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning or evening 
  commute. Strong winds could cause tree damage.


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.

&&

$$

CAZ108-081700-
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
/O.CON.KEKA.WS.A.0006.230309T1500Z-230310T0300Z/
Southern Trinity-
1251 AM PST Wed Mar 8 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST EARLY
THIS MORNING ABOVE 1500 FEET...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING ABOVE 3500 FEET...

* WHAT...For the Winter Storm Warning above 1500 feet, heavy 
  snow. Additional snow accumulations of 6 inches. For the 
  Winter Storm Watch above 3500 feet, heavy snow possible. Total 
  snow accumulations of 7 inches possible. Winds could gust as 
  high as 45 mph.

* WHERE...Southern Trinity County.

* WHEN...For the Winter Storm Warning, until 4 AM PST Wednesday. 
  For the Winter Storm Watch, from Thursday morning through 
  Thursday evening.

* 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.

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>106-081200-
/O.CON.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
1251 AM PST Wed Mar 8 2023

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST EARLY
THIS MORNING ABOVE 1500 FEET...

* WHAT...Heavy snow above 1500 feet. Additional snow 
  accumulations of 5 inches.

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

* WHEN...Until 4 AM PST Wednesday.

* 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.

&&

$$

CAZ110-111-113>115-081200-
/O.CON.KEKA.WW.Y.0016.000000T0000Z-230308T1200Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
1251 AM PST Wed Mar 8 2023

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST EARLY
THIS MORNING ABOVE 1500 FEET...

* WHAT...Snow above 1500 feet. Additional snow accumulations of 
  2 to 6 inches.

* WHERE...Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...Until 4 AM PST Wednesday.

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


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.

&&

$$
359 
WWUS46 KEKA 081136
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
336 AM PST Wed Mar 8 2023

CAZ107-081945-
/O.CAN.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
/O.EXB.KEKA.WW.Y.0016.000000T0000Z-230308T1800Z/
/O.CON.KEKA.WS.A.0006.230309T1500Z-230311T0300Z/
Northern Trinity-
336 AM PST Wed Mar 8 2023

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING
ABOVE 1500 FEET...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY EVENING ABOVE 3000 FEET...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...For the Winter Weather Advisory above 1500 feet, snow.
  Additional snow accumulations of up to two inches. For the
  Winter Storm Watch above 3000 feet, heavy snow possible. Total
  snow accumulations of 6 to 12 inches possible. Winds could gust
  as high as 40 mph.

* WHERE...Northern Trinity County.

* WHEN...For the Winter Weather Advisory, until 10 AM PST this 
  morning. For the Winter Storm Watch, from Thursday morning 
  through Friday evening.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

Monitor the latest forecasts for updates on this situation. 

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

&&

$$

CAZ108-081945-
/O.CAN.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
/O.EXB.KEKA.WW.Y.0016.000000T0000Z-230308T1800Z/
/O.CON.KEKA.WS.A.0006.230309T1500Z-230310T0300Z/
Southern Trinity-
336 AM PST Wed Mar 8 2023

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING
ABOVE 1500 FEET...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING ABOVE 3500 FEET...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...For the Winter Weather Advisory above 1500 feet, snow. 
  Additional snow accumulations of up to 3 inches. For the 
  Winter Storm Watch above 3500 feet, heavy snow possible. Total 
  snow accumulations of up to 9 inches possible. Winds could 
  gust as high as 40 mph.

* WHERE...Southern Trinity County.

* WHEN...For the Winter Weather Advisory, until 10 AM PST this 
  morning. For the Winter Storm Watch, from Thursday morning 
  through Thursday evening.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

Monitor the latest forecasts for updates on this situation. 

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

&&

$$

CAZ102-105-106-081800-
/O.CAN.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
/O.EXB.KEKA.WW.Y.0016.000000T0000Z-230308T1800Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-
336 AM PST Wed Mar 8 2023

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING
ABOVE 1500 FEET...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Snow above 1500 feet. Additional snow accumulations of 
  1 to 3 inches.

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

* WHEN...Until 10 AM PST this 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. 

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

&&

$$

CAZ104-081245-
/O.CAN.KEKA.WS.W.0009.000000T0000Z-230308T1200Z/
Southwestern Humboldt-
336 AM PST Wed Mar 8 2023

...WINTER STORM WARNING IS CANCELLED...

Less than 1 inch of additional accumulation expected. 

$$

CAZ110-113-115-081245-
/O.CAN.KEKA.WW.Y.0016.000000T0000Z-230308T1200Z/
Northwestern Mendocino Interior-Southeastern Mendocino Interior-
Southern Lake-
336 AM PST Wed Mar 8 2023

...WINTER WEATHER ADVISORY IS CANCELLED...

Less than 1 inch of additional accumulation expected.  



$$

CAZ111-114-081800-
/O.EXT.KEKA.WW.Y.0016.000000T0000Z-230308T1800Z/
Northeastern Mendocino Interior-Northern Lake-
336 AM PST Wed Mar 8 2023

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 1500 FEET...

* WHAT...Snow above 1500 feet. Additional snow accumulations of 
  1 to 3 inches. Winds gusting as high as 35 mph.

* WHERE...Northeastern Mendocino Interior and Northern Lake 
  Counties.

* 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 2:08 AM PSTWinter Weather AdvisoryEKADel Norte, Humboldt, Lake, Mendocino, Trinity56 hr

Nearby

Winter Storm Warnings in California, 2023Every winter storm warning in 2023

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.