Alert archive / California / Winter Storm Warnings in 2020

Winter Storm Warning 2, NWS Eureka, CA

January 20, 2020

NWS Eureka, CA issued this winter storm warning at Jan 20, 2020, 4:28 AM PST. It took effect at Jan 20, 2020, 10:00 PM PST. It was in force for 17 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 20, 2020, 4:28 AM PST (12:28 UTC)
In effect from
Jan 20, 2020, 10:00 PM PST
Expired
Jan 21, 2020, 3:00 PM PST
In force
17 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

805 
WWUS46 KEKA 201228
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
428 AM PST Mon Jan 20 2020

...HEAVY MOUNTAIN SNOW THIS EVENING THROUGH TUESDAY AFTERNOON...

.A cold front will bring widespread precipitation to northwest
California tonight into Tuesday. Snow levels will fall from 5000 
feet to 4000 feet during Tuesday. This will result in mostly rain 
and wet road conditions across the passes of Highway 299, and just
minor accumulations, if any, along Highway 36. However, up to a 
foot of snow will be possible at Scott Mountain Summit on Highway 
3.

CAZ107-210030-
/O.UPG.KEKA.WS.A.0002.200121T0600Z-200121T2300Z/
/O.NEW.KEKA.WS.W.0002.200121T0600Z-200121T2300Z/
Northern Trinity-
428 AM PST Mon Jan 20 2020

...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 3 PM
TUESDAY ABOVE 4500 FEET...

* WHAT...Heavy snow expected. Total snow accumulations of 8 to 14
  inches. Winds gusting as high as 45 mph.

* WHERE...Northern Trinity County including Scott Mountain Summit
  on Highway 3.

* WHEN...From 10 PM this evening to 3 PM Tuesday.

* IMPACTS...Travel could be very difficult to impossible. The
  hazardous conditions could impact the morning commute. Chain
  requirements over Scott Mountain Summit and periods of road
  closure are possible. Blowing and drifting snow could make
  visibility poor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Plan now to avoid traveling during the storm. If you must travel,
carry an emergency kit with tire chains, flashlight, batteries, 
blankets, food, water, and medications. 

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

$$
3 follow-up statements
325 
WWUS46 KEKA 202224
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
224 PM PST Mon Jan 20 2020

...HEAVY MOUNTAIN SNOW THIS EVENING THROUGH TUESDAY AFTERNOON...

.A cold front will bring widespread precipitation to northwest
California tonight into Tuesday. Snow levels will fall from
5000 feet to 4000 feet during Tuesday. This will result in mostly
rain and wet road conditions across the passes of Highway 299,
and just minor accumulations, if any, along Highway 36. However,
up to a foot of snow will be possible at Scott Mountain Summit on
Highway 3.

CAZ107-211200-
/O.CON.KEKA.WS.W.0002.200121T0600Z-200121T2300Z/
Northern Trinity-
224 PM PST Mon Jan 20 2020

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 3 PM PST TUESDAY ABOVE 4500 FEET...

* WHAT...Heavy snow expected above 4500 feet. Total snow 
  accumulations of 3 to 14 inches. Winds gusting as high as 45 
  mph.

* WHERE...Northern Trinity County including Scott Mountain Summit
  on Highway 3.

* WHEN...From 10 PM this evening to 3 PM PST Tuesday.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning commute. Chain 
  requirements over Scott Mountain Summit and periods of road 
  closure are possible. Blowing and drifting snow could make 
  visibility poor.

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.

&&

$$
390 
WWUS46 KEKA 211251
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
451 AM PST Tue Jan 21 2020

...HEAVY MOUNTAIN SNOW TODAY...

.A cold front will bring widespread precipitation to northwest
California today. Snow levels will fall to 4000 feet today. This 
will result in mostly rain and wet road conditions across the 
passes of Highway 299, and just minor accumulations, if any, along
Highway 36. However, up to a foot of snow will be possible at 
Scott Mountain Summit on Highway 3.

CAZ107-212300-
/O.CON.KEKA.WS.W.0002.000000T0000Z-200121T2300Z/
Northern Trinity-
451 AM PST Tue Jan 21 2020

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON ABOVE 4500 FEET...

* WHAT...Heavy snow expected above 4500 feet. Total snow 
  accumulations of 3 to 14 inches. Winds gusting as high as 45 
  mph.

* WHERE...Northern Trinity County including Scott Mountain 
  Summit on Highway 3.

* WHEN...Until 3 PM PST today.

* IMPACTS...Travel could be very difficult to impossible. The 
  hazardous conditions could impact the morning commute. Chain 
  requirements over Scott Mountain Summit and periods of road 
  closure are possible. Blowing and drifting snow could make 
  visibility poor.


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.

&&

$$
956 
WWUS46 KEKA 212251
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
251 PM PST Tue Jan 21 2020

CAZ107-220000-
/O.EXP.KEKA.WS.W.0002.000000T0000Z-200121T2300Z/
Northern Trinity-
251 PM PST Tue Jan 21 2020

...WINTER STORM WARNING WILL EXPIRE AT 3 PM PST THIS AFTERNOON
ABOVE 4500 FEET...

The heaviest precipitation has now ended. A few light snow 
showers may linger into this evening, with no additional snow 
accumulation expected.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 19, 9:08 PM PSTSmall Craft AdvisoryEKA10 days
Jan 20, 2:48 AM PSTWind AdvisoryEKADel Norte, Humboldt27 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.