Alert archive / California / Winter Storm Warnings in 2019

Winter Storm Warning 2, NWS Eureka, CA

January 5, 20194 counties in California

NWS Eureka, CA issued this winter storm warning at Jan 5, 2019, 10:11 PM PST for 4 counties in California. It took effect at Jan 6, 2019, 4:14 AM PST. It was in force for 14 hr. 6 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 5, 2019, 10:11 PM PST (06:11 UTC)
In effect from
Jan 6, 2019, 4:14 AM PST
Expired
Jan 6, 2019, 6:04 PM PST
In force
14 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 06:14 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
Jan 6, 7:30 AM PSTSNOW 37 E Bridgville, CAAROUND 3 INCHES OF SNOW OVERNIGHT. DURATION UNKNOWN.
Jan 6, 8:00 AM PSTSNOW 52 Wnw Ruth, CALIGHT SNOW AND 30 DEGREES. 24 HOUR SNOWFALL TOTAL. AROUND 2 INCHES OF RAIN.
Jan 6, 9:30 AM PSTSNOW 59 Nw Dos Rios, CASNOW STARTED AROUND 4AM. ELEVATION 3,750 ON IRON PEAK. CURRENTLY SNOWING AND 34 DEGREES.
Jan 6, 10:00 AM PSTSNOW 0.55 E Richardson Grove, CASIGNIFICANT RAINFALL OVERNIGHT WITH ONLY A DUSTING OF SNOW THIS MORNING. ELEVATION ABOUT 3,000 FEET.
Jan 6, 10:21 AM PSTSNOW 01 Ssw Douglas City, CAA MIX OF RAIN AND SNOW AND 34 DEGREES.
Jan 6, 10:23 AM PSTSNOW 25 Wnw Willow Creek, CATWO VEHICLES COLLIDED ON 299 NEAR MILE MARKER 29. SNOW AMOUNT ESTIMATED FROM A PICTURE OF THE INCIDENT.

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, 6.2 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.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 00:00Z on 2019-01-06Temperature 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 2019-01-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
1712 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
375 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

448 
WWUS46 KEKA 060611
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1011 PM PST Sat Jan 5 2019

...Winter storm to impact Northwest California...

.Another storm system will track toward northwest California for
Sunday. Snow levels around Trinity county and adjacent areas of
northern Humboldt and interior Del Norte County are expected to 
be around 3,000 feet Sunday morning. Portions of those areas will
see snow levels rise from 3,000 feet to closer to 4,000 feet by
Sunday evening. 


CAZ107-108-061415-
/O.EXP.KEKA.WS.W.0001.000000T0000Z-190106T0600Z/
/O.UPG.KEKA.WS.A.0002.190106T1500Z-190107T0500Z/
/O.NEW.KEKA.WS.W.0002.190106T1500Z-190107T0600Z/
Northern Trinity-Southern Trinity-
1011 PM PST Sat Jan 5 2019

...WINTER STORM WARNING IN EFFECT FROM 7 AM TO 10 PM PST SUNDAY
ABOVE 3000 FEET...

* WHAT...Heavy snow expected. Plan on difficult travel conditions.
  Tree branches could fall as well. Total snow accumulations of 4
  to 8 inches above 3000 feet, with localized amounts up to 18
  inches above 4000 feet, are expected.

* WHERE...Trinity County. Highways impacted include Highway 299 at
  Buckhorn Summit, Highway 3 north of Weaverville and Hayfork
  Summit, Highway 36 at South Fork Mountain and areas east of 
  there.

* WHEN...7 AM to 10 PM Sunday.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before travailing. Be alert for rock slides in
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ111-060715-
/O.EXP.KEKA.WS.W.0001.000000T0000Z-190106T0600Z/
Northeastern Mendocino Interior-
1011 PM PST Sat Jan 5 2019

...WINTER STORM WARNING HAS EXPIRED...

$$

CAZ102-105-061415-
/O.NEW.KEKA.WS.W.0002.190106T1500Z-190107T0600Z/
/O.CON.KEKA.WW.Y.0001.000000T0000Z-190106T1200Z/
Del Norte Interior-Northern Humboldt Interior-
1011 PM PST Sat Jan 5 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
SUNDAY ABOVE 3000 FEET...
...WINTER STORM WARNING IN EFFECT FROM 7 AM TO 10 PM PST SUNDAY
ABOVE 3000 FEET...

* WHAT...Heavy snow expected above 3000 feet. Plan on difficult
  travel conditions. Damage to trees and power lines is possible.
  Above 3000 feet, total snow accumulations of 4 to 7 inches are
  expected. Localized amounts up to 15 inches above 4000 are
  possible.

* WHERE...Del Norte Interior and Northern Humboldt Interior
  County. Rural roads above 3000 ft elevation will be impacted,
  while only minor accumulations are expected on highway passes
  below 3000 ft Sunday morning. 

* WHEN...For the Winter Storm Warning, 7 AM to 10 PM Sunday. For 
  the Winter Weather Advisory, until 4 AM Sunday.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain. Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1- 800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before traveling. Be alert for rock slides in 
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

A Winter Weather Advisory for wet snow means periods of wet snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities, and use caution while
driving. 

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ106-061200-
/O.CON.KEKA.WW.Y.0001.000000T0000Z-190106T1200Z/
Southern Humboldt Interior-
1011 PM PST Sat Jan 5 2019

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

* WHAT...Wet snow occurring. Plan on slippery road conditions.
  Tree branches could fall as well. Additional wet snow
  accumulations of up to two inches, with localized amounts up to
  4 inches, are expected.

* WHERE...Southern Humboldt County Interior. Rural roads above
  3000 feet elevation will be impacted. 

* WHEN...Until 4 AM Sunday.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for wet snow means periods of wet snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities, and use caution while
driving. 

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$
5 follow-up statements
262 
WWUS46 KEKA 061116
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
316 AM PST Sun Jan 6 2019

...Winter storm to impact Northwest California...

.Another storm system will track toward northwest California 
today. Snow levels around Trinity county and adjacent areas of 
northern Humboldt and interior Del Norte County are expected to be
around 2,600 to 3,000 feet this morning. Portions of those areas 
will see snow levels rise from 3,000 feet near or over 4,000 feet
by this evening.

CAZ111-061930-
/O.EXA.KEKA.WS.W.0002.190106T1500Z-190107T0600Z/
Northeastern Mendocino Interior-
316 AM PST Sun Jan 6 2019

...WINTER STORM WARNING IN EFFECT FROM 7 AM THIS MORNING TO 10 PM
PST THIS EVENING ABOVE 3500 FEET...

* WHAT...Heavy wet snow expected. Plan on difficult travel
  conditions. Total wet snow accumulations of 4 to 8 inches, with
  localized higher amounts, are expected.

* WHERE...Northeastern Mendocino County Interior above 3,500 feet.

* WHEN...7 AM to 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for wet snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before traveling. Be alert for rock slides in 
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ102-105-061930-
/O.CON.KEKA.WS.W.0002.190106T1500Z-190107T0600Z/
/O.CON.KEKA.WW.Y.0001.000000T0000Z-190106T1200Z/
Del Norte Interior-Northern Humboldt Interior-
316 AM PST Sun Jan 6 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST EARLY
THIS MORNING ABOVE 3000 FEET...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 10 PM PST THIS EVENING...

* WHAT...Heavy snow expected. Wet snow occurring above 3,000 
  feet. Plan on difficult travel conditions. Total snow 
  accumulations of 3 to 7 inches, with localized higher amounts, 
  are expected.

* WHERE...Del Norte Interior and Northern Humboldt Interior
  County. Rural roads above 3,000 feet will be impacted, while
  only minor accumulations are expected on highway passes below
  3,000 feet today. 

* WHEN...For the Winter Storm Warning, 7 AM to 10 PM today. For 
  the Winter Weather Advisory, until 4 AM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain. Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1- 800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before traveling. Be alert for rock slides in 
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

A Winter Weather Advisory for wet snow means periods of wet snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities, and use caution while
driving. 

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ107-108-061930-
/O.CON.KEKA.WS.W.0002.190106T1500Z-190107T0600Z/
Northern Trinity-Southern Trinity-
316 AM PST Sun Jan 6 2019

...WINTER STORM WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 10 PM PST THIS EVENING...

* WHAT...Heavy snow expected. Plan on difficult travel conditions.
  Total snow accumulations of 4 to 8 inches, with localized higher
  amounts, are expected.

* WHERE...Trinity County. Highways impacted include Highway 299 at
  Buckhorn Summit, Highway 3 north of Weaverville and Hayfork
  Summit, Highway 36 at South Fork Mountain and areas east of
  there.

* WHEN...7 AM to 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are expected. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before traveling. Be alert for rock slides in 
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ106-061230-
/O.CON.KEKA.WW.Y.0001.000000T0000Z-190106T1200Z/
Southern Humboldt Interior-
316 AM PST Sun Jan 6 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST EARLY
THIS MORNING ABOVE 3000 FEET...

* WHAT...Wet snow occurring. Plan on slippery road conditions. 
  Additional wet snow accumulations of up to two inches are 
  expected.

* WHERE...Southern Humboldt County Interior. Rural roads above
  3,000 feet will be impacted. 

* WHEN...Until 4 AM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for wet snow means periods of wet snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities, and use caution while
driving. 

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$
094 
WWUS46 KEKA 061214
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
414 AM PST Sun Jan 6 2019

...Winter storm to impact Northwest California...

.Another storm system will track toward northwest California
today. Snow levels around Trinity county and adjacent areas of
northern Humboldt and interior Del Norte County are expected to
be around 2,600 to 3,000 feet this morning. Portions of those
areas will see snow levels rise from 3,000 feet to near or over 
4,000 feet by this evening.

CAZ102-105-062015-
/O.EXP.KEKA.WW.Y.0001.000000T0000Z-190106T1200Z/
/O.EXT.KEKA.WS.W.0002.190106T1214Z-190107T0600Z/
Del Norte Interior-Northern Humboldt Interior-
414 AM PST Sun Jan 6 2019

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM PST THIS
EVENING ABOVE 3000 FEET...
...WINTER WEATHER ADVISORY HAS EXPIRED...

* WHAT...Heavy snow expected. Wet snow occurring above 3,000 
  feet. Plan on difficult travel conditions. Total snow 
  accumulations of 3 to 7 inches, with localized higher amounts, 
  are expected.

* WHERE...Del Norte Interior and Northern Humboldt Interior
  County. Rural roads above 3,000 feet will be impacted, while
  only minor accumulations are expected on highway passes below
  3,000 feet today. 

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for wet snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before traveling. Be alert for rock slides in 
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ106-062015-
/O.EXP.KEKA.WW.Y.0001.000000T0000Z-190106T1200Z/
/O.EXB.KEKA.WS.W.0002.190106T1214Z-190107T0600Z/
Southern Humboldt Interior-
414 AM PST Sun Jan 6 2019

...WINTER STORM WARNING IN EFFECT UNTIL 10 PM PST THIS EVENING
ABOVE 3000 FEET...
...WINTER WEATHER ADVISORY HAS EXPIRED...

* WHAT...Heavy wet snow occurring. Plan on difficult travel
  conditions. Additional wet snow accumulations of 3 to 6 inches
  above 3,000 feet, with localized higher amounts, are expected.

* WHERE...Southern Humboldt County Interior. Rural roads above
  3,000 feet will be impacted. 

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for wet snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before traveling. Be alert for rock slides in 
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ107-108-062015-
/O.EXT.KEKA.WS.W.0002.190106T1214Z-190107T0600Z/
Northern Trinity-Southern Trinity-
414 AM PST Sun Jan 6 2019

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM PST THIS
EVENING ABOVE 3000 FEET...

* WHAT...Heavy snow expected. Plan on difficult travel conditions.
  Total snow accumulations of 4 to 8 inches, with localized higher
  amounts, are expected.

* WHERE...Trinity County. Highways impacted include Highway 299 at
  Buckhorn Summit, Highway 3 north of Weaverville and Hayfork
  Summit, Highway 36 at South Fork Mountain and areas east of
  there.

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before traveling. Be alert for rock slides in 
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ111-062015-
/O.EXT.KEKA.WS.W.0002.190106T1214Z-190107T0600Z/
Northeastern Mendocino Interior-
414 AM PST Sun Jan 6 2019

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM PST THIS
EVENING ABOVE 3500 FEET...

* WHAT...Heavy wet snow expected. Plan on difficult travel
  conditions. Total wet snow accumulations of 4 to 8 inches, with
  localized higher amounts, are expected.

* WHERE...Northeastern Mendocino County Interior above 3,500 feet.

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before traveling. Be alert for rock slides in 
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$
423 
WWUS46 KEKA 061848
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1048 AM PST Sun Jan 6 2019

...Winter storm to impact Northwest California...

.Another storm system will track toward northwest California
today. Snow levels around Trinity county and adjacent areas of
northern Humboldt and interior Del Norte County are around 2,500 
to 3,000 feet this morning. Most areas will see snow levels rise
this afternoon to around 4,000 feet, however portions of Trinity
county may see snow levels linger around 2,500 feet.

CAZ102-105-106-070300-
/O.CON.KEKA.WS.W.0002.000000T0000Z-190107T0600Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-
1048 AM PST Sun Jan 6 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING ABOVE 3000 FEET...

* WHAT...Heavy wet snow occurring. Plan on difficult travel 
  conditions. Additional wet snow accumulations of 2 to 4 inches,
   with localized amounts up to 9 inches, are expected.

* WHERE...Del Norte Interior and Northern Humboldt Interior
  County. Rural roads above 3,000 feet will be impacted, while
  only minor accumulations are expected on highway passes below
  3,000 feet today.

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for wet snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before travelling. Be alert for rock slides in
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ107-108-070300-
/O.CON.KEKA.WS.W.0002.000000T0000Z-190107T0600Z/
Northern Trinity-Southern Trinity-
1048 AM PST Sun Jan 6 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING ABOVE 3000 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions. Additional snow accumulations of 3 to 6 inches, with
  localized amounts up to 12 inches, are expected. Up to 3 inches
  is possible down to 2,500 feet. 

* WHERE...Trinity County. Highways impacted include Highway 299 at
  Buckhorn Summit and Oregon Mountain, Highway 3 north of 
  Weaverville and Hayfork Summit, Highway 36 at South Fork 
  Mountain and areas east of there. 

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before travelling. Be alert for rock slides in
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ111-070300-
/O.CON.KEKA.WS.W.0002.000000T0000Z-190107T0600Z/
Northeastern Mendocino Interior-
1048 AM PST Sun Jan 6 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING ABOVE 3500 FEET...

* WHAT...Heavy wet snow occurring. Plan on difficult travel 
  conditions. Additional wet snow accumulations of 3 to 6 inches,
   with localized amounts up to 10 inches, are expected.

* WHERE...Northeastern Mendocino County Interior above 3,500 feet.

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for wet snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before travelling. Be alert for rock slides in
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$
298 
WWUS46 KEKA 062156
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
156 PM PST Sun Jan 6 2019

...Winter storm to impact Northwest California...

.Another storm system is tracking across NW California this
evening. Snow levels in Mendocino, Humboldt and Del Norte 
counties have risen to 3,000 to 3,500. These will continue to
rise this afternoon to around 3,500 to 4,000 feet. Snow levels 
around Trinity county are expected to linger around 2,000 to 2,500 
feet. Tonight snow levels will fall again, but snow will taper off
about the same time.

CAZ102-105-106-070600-
/O.CON.KEKA.WS.W.0002.000000T0000Z-190107T0600Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-
156 PM PST Sun Jan 6 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING ABOVE 3000 FEET...

* WHAT...Heavy wet snow occurring. Plan on difficult travel 
  conditions. Additional wet snow accumulations of 2 to 4 inches,
   with localized amounts up to 6 inches, are expected.

* WHERE...Del Norte Interior, Northern Humboldt Interior and
  Southern Humboldt County Interior. Highway 299 may see
  occasional light snow of less than an inch this evening.
  Otherwise rural roads over 3,000 feet will see the main impacts.

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for wet snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before traveling. Be alert for rock slides in 
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ107-108-070600-
/O.CON.KEKA.WS.W.0002.000000T0000Z-190107T0600Z/
Northern Trinity-Southern Trinity-
156 PM PST Sun Jan 6 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING ABOVE 3000 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions. Additional snow accumulations of 3 to 6 inches, with
  localized amounts up to 10 inches, are expected. Up to 3 inches
  is possible down to 2,500 feet. 

* WHERE...Trinity County. Highways impacted include 299 at
  Buckhorn Summit and Oregon Mountain, Highway 3 north of 
  Weaverville and Hayfork Summit, Highway 36 at South Fork 
  Mountain and areas east of there. 

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before traveling. Be alert for rock slides in 
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$

CAZ111-070600-
/O.CON.KEKA.WS.W.0002.000000T0000Z-190107T0600Z/
Northeastern Mendocino Interior-
156 PM PST Sun Jan 6 2019

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING ABOVE 3500 FEET...

* WHAT...Heavy wet snow occurring. Plan on difficult travel 
  conditions. Additional wet snow accumulations of 3 to 6 inches 
  are expected.

* WHERE...Northeastern Mendocino County Interior above 3,500 feet.

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be 
  prepared for changing conditions. Check the latest forecasts 
  and call 1-800-427-7623 for current road conditions and chain 
  requirements before traveling. Be alert for rock slides in 
  mountainous terrain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Warning for wet snow means severe winter weather
conditions are occurring. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency. If driving, slow down. Allow extra time and be
prepared for changing conditions. Check the latest forecasts and
call 1-800-427-7623 for current road conditions and chain
requirements before traveling. Be alert for rock slides in 
mountainous terrain.

For a detailed view of the hazard area visit:
http://www.wrh.noaa.gov/map/?wfo=eka

&&

$$
745 
WWUS46 KEKA 070204
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
604 PM PST Sun Jan 6 2019

...Mountain Snow is Ending Early this Evening...

CAZ102-105>108-111-070315-
/O.CAN.KEKA.WS.W.0002.000000T0000Z-190107T0600Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northeastern Mendocino Interior-
604 PM PST Sun Jan 6 2019

...WINTER STORM WARNING IS CANCELLED...

Steady snow has ended or changed to rain across the warning area.
While a few, generally light, snow showers cannot be ruled out 
through midnight, any additional accumulation will be minor. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 5, 9:03 PM PSTSmall Craft AdvisoryEKA18 hr
Jan 5, 9:03 PM PSTHazardous Seas WarningEKA6 hr
Jan 6, 3:22 AM PSTGale WatchEKA24 hr
Jan 6, 10:13 AM PSTHazardous Seas WarningEKA5 hr

Nearby

Winter Storm Warnings in California, 2019Every winter storm warning in 2019

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.