Alert archive / California / Winter Storm Warnings in 2018

Winter Storm Warning 2, NWS Eureka, CA

February 27, 20184 counties in California

NWS Eureka, CA issued this winter storm warning at Feb 27, 2018, 3:44 PM PST for 4 counties in California. It took effect at Feb 28, 2018, 10:00 AM PST. It was in force for 59 hr. 33 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Feb 27, 2018, 3:44 PM PST (23:44 UTC)
In effect from
Feb 28, 2018, 10:00 AM PST
Expired
Mar 2, 2018, 9:12 PM PST
In force
59 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 23:42 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 1, 2:36 PM PSTSNOW 14 W Dinsmore, CASPOTTER STATED THAT HEAVY SNOW HAS BEEN FALLING OFF AND ON ALL DAY HOWEVER IT HAS NOW BEGUN STICKING UP TO 1 SO FAR. ELEVATION 2800'.
Mar 1, 5:18 PM PSTSNOW 3Dinsmore, CAFACEBOOK USER REPORTED 3 INCHES OF SNOW ON THE GROUND WITH HEAVY SNOW STILL FALLING. APPROXIMATELY ONE INCH PER HOUR SNOW FALL RATES.
Mar 1, 5:46 PM PSTSNOW 54 W Dinsmore, CASPOTTER REPORTED 5 INCHES ON THE GROUND WITH LARGER DRIFTS DUE TO STRONG WINDS.
Mar 1, 6:18 PM PSTSNOW 7Dinsmore, CAFACEBOOK FOLLOWER REPORTED 7 INCHES HAVE NOW ACCUMULATED IN 4.5 HOURS NEAR BUCK MTN. ELEVATION 2500 FEET.
Mar 1, 8:55 PM PSTSNOW 1.53 N Ettersburg, CAFACEBOOK USER STATED THAT 1-2 OF SNOW ON THE GROUND AT DOODY RIDGE NEAR ETTERSBURG ELEVATION OF 1650'.
Mar 1, 9:00 PM PSTHEAVY SNOW 87 E Bridgville, CAUPDATE TO EARLIER REPORT. 8 INCHES ON THE GROUND AS OF 9PM. SOME MAY HAVE MELTED OFF THROUGH THE DAY. ELEVATION AROUND 2800 FEET.
Mar 2, 12:00 AM PSTSNOW 1814 Ne Gasquet, CACALTRANS SNOWPLOW DRIVER REPORTED 18 OF SNOW NEAR THE COLLIER TUNNEL ON HWY 199 (TIME ESTIMATED).
Mar 2, 4:20 AM PSTSNOW 22 S Ukiah, CATEMPERATURE IS AT 31F.
Mar 2, 7:00 AM PSTSNOW 04 S Myers Flat, CATRACE OF SNOW AT AN ELEVATION OF 539'.
Mar 2, 7:30 AM PSTSNOW 55 Wnw Willow Creek, CACALTRANS EMPLOYEE ESTIMATED BETWEEN 4-6 OF SNOW ON THE GROUND AT THE BERRY SUMMIT MAINTENANCE BUILDING.
Mar 2, 7:53 AM PSTSNOW 6.23 Nne Ruth, CAELEVATION 2762' 25 HOUR SNOW FALL TOTAL.
Mar 2, 8:10 AM PSTSNOW 45 N Willow Creek, CAFACEBOOK USER REPORTED 4 OF SNOW AT 1800' NEAR BRANNAN MTN.
Mar 2, 8:32 AM PSTSNOW 55 Ese Dinsmore, CA1800' ELEVATION.
Mar 2, 8:47 AM PSTSNOW 1.54 Nne Ettersburg, CAFACEBOOK POST FROM DOODY RIDGE NEAR ETTERSBURG ELEVATION OF 1650'.
Mar 2, 8:47 AM PSTSNOW 6.55 Se Dinsmore, CAELEVATION 2532' STORM TOTAL DEPTH.
Mar 2, 8:50 AM PSTSNOW 0.51 Ne Laytonville, CAAS OF THIS MORNING ONLY 0.2 REMAINING ON THE GROUND. ELEVATION 1647'.
Mar 2, 9:00 AM PSTSNOW 0.3Orleans, CAFACEBOOK REPORT AND PHOTO OF AROUND 0.25 OF SNOW IN ORLEANS ELEVATION 400'.
Mar 2, 9:00 AM PSTSNOW 0.5Orleans, CAFACEBOOK REPORT AND PHOTO OF AROUND A HALF AN INCH OF SNOW IN ORLEANS ELEVATION 400'.
Mar 2, 9:03 AM PSTSNOW 152 Wnw Ruth, CAFACEBOOK REPORT FROM HETTENSHAW AT AN ELEVATION OF 3200'.
Mar 2, 9:10 AM PSTSNOW 124 W Dinsmore, CASPOTTER HAS RECEIVED 3-4 SINCE MIDNIGHT BRINGING THE STORM TOTAL SNOWFALL TO 12. HAD GUSTS OVER 30 MPH LEADING TO WHITEOUT CONDITIONS AND DRIFTS TO 18.
Mar 2, 10:04 AM PSTSNOW 41 W Blocksburg, CA
Mar 2, 10:28 AM PSTHEAVY SNOW 109 Nw Dos Rios, CA10 INCHES OF NEW SNOW FELL OVER NIGHT AT 3750 FEET ELEVATION. 12 INCHES HAVE FALLEN SO FAR FOR THE STORM TOTAL.
Mar 2, 11:03 AM PSTSNOW 68 E Leggett, CAFACEBOOK REPORT FROM BELL SPRINGS RD AT AN ELEVATION OF 2800'.
Mar 2, 2:15 PM PSTSNOW 12 Sw Laytonville, CA1 OF FRESH SNOW IN THE PAST 20 MINUTES. HAD 2 ON THE GROUND LAST NIGHT HOWEVER IT MELTED THIS MORNING. ELEVATION 2000'.
Mar 2, 2:47 PM PSTSNOW 22 Sw Laytonville, CARECEIVED 2 OF SNOW IN AN HOUR. ELEVATION 1980'.
Mar 2, 3:45 PM PSTHEAVY SNOW 126 Nw Willow Creek, CA12 INCHES OF SNOW REPORTED FOR THREE CREEKS ROAD BY HUMBOLDT COUNTY, BUT IT WAS NOT CLEAR IF THIS WAS THE STORM TOTAL SO THE TIME PERIOD IS NOT EXACTLY KNOWN.
Mar 2, 3:45 PM PSTHEAVY SNOW 144 Wsw Willow Creek, CAHUMBOLDT COUNTY REPORTED 14 INCHES OF SNOW ON TITLOW HILL ROAD BUT IT WAS NOT CLEAR IF THIS WAS A STORM TOTAL SO THE DURATION IS NOT KNOWN.
Mar 2, 3:45 PM PSTHEAVY SNOW 148 Wsw Weitchpec, CAHUMBOLDT COUNTY REPORTED 14 INCHES OF SNOW ON BALD HILLS ROAD BUT IT WAS NOT CLEAR IF THIS WAS THE STORM TOTAL SO THE DURATION IS UNKNOWN.
Mar 2, 4:22 PM PSTHEAVY SNOW 22 Wnw Miranda, CASTORM TOTAL OF 2 INCHES OF SNOW FELL AT AN ELEVATION OF 1200 FEET.
Mar 2, 6:48 PM PSTSNOW 44 Nw Willits, CAUPDATE TO EARLIER REPORT, NOW 4 INCHES. ELEVATION 2,500 FEET. REPORT FROM SOCIAL MEDIA WITH PICTURE. LOCATION ESTIMATED.
Mar 2, 7:11 PM PSTHEAVY SNOW 2.54 Nw Willits, CAAT AN ELEVATION OF 2500 FEET, 2.5 INCHES OF SNOW FELL AS OF 5:00 P.M.
Mar 2, 7:17 PM PSTHEAVY SNOW 187 E Bridgville, CA18 INCHES OF SNOW FELL AT ELEVATION OF 2800 FEET.
Mar 2, 7:39 PM PSTHEAVY SNOW 76 Wnw Blocksburg, CAAT AN ELEVATION OF 2200 FEET, 7 INCHES OF SNOW FELL LAST NIGHT AND TODAY.

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

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 11.7 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 12:00Z on 2018-02-27Temperature 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 12:00Z on 2018-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
637 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

516 
WWUS46 KEKA 272344
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
344 PM PST Tue Feb 27 2018

...Multiple Rounds of Accumulating Snow Over the Next Several 
Days...

CAZ107-108-280745-
/O.UPG.KEKA.WS.A.0003.180301T1800Z-180302T1800Z/
/O.NEW.KEKA.WS.W.0002.180228T1800Z-180303T1800Z/
Northern Trinity-Southern Trinity-
344 PM PST Tue Feb 27 2018

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

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible. Total snow accumulations of 12 to 24 inches, with
  localized amounts up to 4 feet in the mountain, are expected.
  Light accumulation will be possible for elevations as low as 
  500 feet.
 
* WHERE...Trinity County. Highways impacted include 3, 299, and 36.

* WHEN...10 AM Wednesday to 10 AM Saturday.

* 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

&&

$$

CAZ102-280745-
/O.EXB.KEKA.WS.A.0003.180301T1200Z-180303T1800Z/
Del Norte Interior-
344 PM PST Tue Feb 27 2018

...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
SATURDAY MORNING ABOVE 1500 FEET...

* WHAT...Heavy snow possible. Travel will be very difficult to
  impossible, including during the evening commute on Thursday.
  Total snow accumulations of 10 to 17 inches, with localized
  amounts up to 3 feet in higher terrain, are possible. Snow 
  amounts on Highway 101 near Prairie Creek will be much lower and
  closer to 0 to 2 inches.

* WHERE...Del Norte County Interior. Highways impacted include 199
  and 101. 

* WHEN...From late Wednesday night through Saturday morning.

* 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 Watch means there is potential for significant
snow, sleet or ice accumulations that may impact travel. Continue
to monitor the latest forecasts.

&&

$$

CAZ105-106-110-111-280745-
/O.EXT.KEKA.WS.A.0003.180301T1200Z-180303T1800Z/
Northern Humboldt Interior-Southern Humboldt Interior-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
344 PM PST Tue Feb 27 2018

...WINTER STORM WATCH NOW IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH SATURDAY MORNING ABOVE 1500 FEET...

* WHAT...Heavy snow possible. Travel will be very difficult to
  impossible, including during the evening commute on Thursday.
  Total snow accumulations of 4 to 12 inches, with localized
  amounts up to 3 feet in the mountains, are possible.

* WHERE...Interior Humboldt County, Northwestern Mendocino
  Interior and Northeastern Mendocino County Interior. Highways
  impacted include 101 and 36.

* WHEN...From late Wednesday night through Saturday morning.

* 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 Watch means there is potential for significant
snow, sleet or ice accumulations that may impact travel. Continue
to monitor the latest forecasts.

&&

$$
15 follow-up statements
388 
WWUS46 KEKA 280736
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1136 PM PST Tue Feb 27 2018

...Multiple Rounds of Accumulating Snow Over the Next Several
Days...

CAZ107-108-281545-
/O.CON.KEKA.WS.W.0002.180228T1800Z-180303T1800Z/
Northern Trinity-Southern Trinity-
1136 PM PST Tue Feb 27 2018

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

* WHAT...Heavy snow expected. Travel will be very difficult to 
  impossible. Total snow accumulations of 15 to 19 inches, with 
  localized amounts up to 47 inches, are expected.

* WHERE...Trinity County. Highways impacted include 3, 299, and 36.

* WHEN...10 AM Wednesday to 10 AM Saturday.

* 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

&&

$$

CAZ102-105-106-110-111-281545-
/O.CON.KEKA.WS.A.0003.180301T1200Z-180303T1800Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northwestern Mendocino Interior-
Northeastern Mendocino Interior-
1136 PM PST Tue Feb 27 2018

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH SATURDAY MORNING ABOVE 1500 FEET...

* WHAT...Heavy snow possible. Travel will be very difficult to 
  impossible, including during the evening commute on Thursday. 
  Total snow accumulations of 8 to 12 inches, with localized 
  amounts up to 31 inches, are possible.

* WHERE...Del Norte Interior, Interior Humboldt County,
  Northwestern Mendocino Interior and Northeastern Mendocino
  County Interior. Highways impacted include 199, 101, and 36.

* WHEN...From late Wednesday night through Saturday morning.

* 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 Watch means there is potential for significant
snow, sleet or ice accumulations that may impact travel. Continue
to monitor the latest forecasts.

&&

$$
059 
WWUS46 KEKA 281111
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
311 AM PST Wed Feb 28 2018

...Multiple Rounds of Accumulating Snow Over the Next Several
Days...

CAZ102-105-106-110-111-281915-
/O.UPG.KEKA.WS.A.0003.180301T1200Z-180303T1800Z/
/O.EXB.KEKA.WS.W.0002.180301T1200Z-180303T1800Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northwestern Mendocino Interior-
Northeastern Mendocino Interior-
311 AM PST Wed Feb 28 2018

...WINTER STORM WARNING IN EFFECT FROM 4 AM THURSDAY TO 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible. Total snow accumulations of 8 to 18 inches are 
  expected. Localized amounts of 2 to 4 feet will occur along 
  windward facing slopes over higher elevation locations.

* WHERE...Del Norte Interior, Interior Humboldt County,
  Northwestern Mendocino Interior and Northeastern Mendocino
  County Interior, at elevation above 1500 feet. Highways impacted
  include 199, 299, 101, 36, and 162.

* WHEN...4 AM Thursday to 10 AM Saturday. There will be multiple
  periods of heavy snow showers during this time.

* 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

&&

$$

CAZ107-108-281915-
/O.CON.KEKA.WS.W.0002.180228T1800Z-180303T1800Z/
Northern Trinity-Southern Trinity-
311 AM PST Wed Feb 28 2018

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

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible. Total snow accumulations of 12 to 23 inches, with
  localized amounts of 3 to 5 feet in the mountains, are expected.
  Light accumulation will be possible for elevations as low as 500
  feet.

* WHERE...Trinity County. Highways impacted include 3, 299, and 36.

* WHEN...10 AM today to 10 AM Saturday.

* 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

&&

$$
010 
WWUS46 KEKA 281908
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1108 AM PST Wed Feb 28 2018

...Multiple Rounds of Accumulating Snow Over the Next Several
Days...

CAZ107-108-010315-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northern Trinity-Southern Trinity-
1108 AM PST Wed Feb 28 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM SATURDAY 
ABOVE 1500 FEET...

* WHAT...Heavy snow will begin this afternoon. Travel will be very
  difficult to impossible. Total snow accumulations of 12 to 24
  inches, with localized amounts of 3 to 5 feet in the mountains,
  are expected. Light accumulation will be possible for elevations
  as low as 500 feet.

* WHERE...Trinity County. Highways impacted include 3, 299, and
  36.

* WHEN...Until 10 AM Saturday.

* 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

$$

CAZ102-105-106-110-111-010315-
/O.CON.KEKA.WS.W.0002.180301T1200Z-180303T1800Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northwestern Mendocino Interior-
Northeastern Mendocino Interior-
1108 AM PST Wed Feb 28 2018

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM THURSDAY TO
10 AM SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible. Total snow accumulations of 8 to 18 inches are 
  expected. Localized amounts of 2 to 4 feet will occur along 
  windward facing slopes over higher elevation locations.

* WHERE...Del Norte Interior, Interior Humboldt County,
  Northwestern Mendocino Interior and Northeastern Mendocino
  County Interior. Highways impacted include 199, 299, 101, 36,
  and 162.

* WHEN...4 AM Thursday to 10 AM Saturday.

* 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 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

$$
807 
WWUS46 KEKA 282305
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
305 PM PST Wed Feb 28 2018

...Multiple Rounds of Accumulating Snow Over the Next Several
Days...

CAZ107-108-010715-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northern Trinity-Southern Trinity-
305 PM PST Wed Feb 28 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to
  impossible. Additional snow accumulations of 12 to 24 inches,
  with localized amounts of 3 to 7 feet in the higher elevations
  of the mountains, are expected. Light accumulation will be
  possible for elevations between 500 to 1500 feet.

* WHERE...Trinity County. Highways impacted include 3, 299, and
  36.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ102-105-106-110-111-010715-
/O.CON.KEKA.WS.W.0002.180301T1200Z-180303T1800Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northwestern Mendocino Interior-
Northeastern Mendocino Interior-
305 PM PST Wed Feb 28 2018

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

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible, including during the evening commute on Thursday.
  Total snow accumulations of 12 to 24 inches, in the higher
  elevations of the mountains, are expected. Light accumulation
  will be possible for elevations between 500 to 1500 feet.

* WHERE...Del Norte Interior, Interior Humboldt County,
  Northwestern Mendocino Interior and Northeastern Mendocino
  County Interior. Highways impacted include Highways impacted
  include 199, 299, 101, 36, and 162.

* WHEN...4 AM Thursday to 10 AM Saturday.

* 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

&&

$$
891 
WWUS46 KEKA 282317
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
317 PM PST Wed Feb 28 2018

...Multiple Rounds of Accumulating Snow Over the Next Several
Days...

CAZ107-108-010730-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northern Trinity-Southern Trinity-
317 PM PST Wed Feb 28 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to
  impossible. Additional snow accumulations of 12 to 24 inches,
  with localized amounts of 3 to 7 feet in the higher elevations
  of the mountains, are expected. Light accumulation will be
  possible for elevations between 500 to 1500 feet.

* WHERE...Trinity County. Highways impacted include 3, 299, and
  36.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ102-105-106-110-111-010730-
/O.CON.KEKA.WS.W.0002.180301T1200Z-180303T1800Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northwestern Mendocino Interior-
Northeastern Mendocino Interior-
317 PM PST Wed Feb 28 2018

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

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible, including during the evening commute on Thursday.
  Total snow accumulations of 12 to 24 inches, in the higher
  elevations of the mountains, 3 to 5 feet are expected. Light 
  accumulation will be possible for elevations between 500 to 1500
  feet.

* WHERE...Del Norte Interior, Interior Humboldt County,
  Northwestern Mendocino Interior and Northeastern Mendocino
  County Interior. Highways impacted include Highways impacted
  include 199, 299, 101, 36, and 162.

* WHEN...4 AM Thursday to 10 AM Saturday.

* 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

&&

$$
466 
WWUS46 KEKA 010730
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1130 PM PST Wed Feb 28 2018

...Multiple Rounds of Accumulating Snow Over the Next Several
Days...

CAZ107-108-011530-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northern Trinity-Southern Trinity-
1130 PM PST Wed Feb 28 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to
  impossible. Additional snow accumulations of 12 to 24 inches,
  with localized amounts of 3 to 7 feet in the higher elevations
  of the mountains, are expected. Light accumulation will be
  possible for elevations between 500 to 1500 feet.

* WHERE...Trinity County. Highways impacted include 3, 299, and
  36.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ102-105-106-110-111-011530-
/O.CON.KEKA.WS.W.0002.180301T1200Z-180303T1800Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northwestern Mendocino Interior-
Northeastern Mendocino Interior-
1130 PM PST Wed Feb 28 2018

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

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible, including during the evening commute on Thursday.
  Total snow accumulations of 12 to 24 inches, in the higher
  elevations of the mountains, 3 to 5 feet are expected. Light 
  accumulation will be possible for elevations between 500 to 1500
  feet.

* WHERE...Del Norte Interior, Interior Humboldt County,
  Northwestern Mendocino Interior and Northeastern Mendocino
  County Interior. Highways impacted include Highways impacted
  include 199, 299, 101, 36, and 162.

* WHEN...4 AM Thursday to 10 AM Saturday.

* 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 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

&&

$$
399 
WWUS46 KEKA 011053
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
253 AM PST Thu Mar 1 2018

...Multiple Rounds of Accumulating Snow Over the Next Several
Days...

.Snow levels today will are currently around 3,000 feet in the
north to 4,000 feet feet in the south with locally lower snow
levels in eastern Trinity county. Snow levels will fall through to
day to around 1,500 feet tonight. Friday and Saturday snow levels
will fluctuate around 1,500 to 2,500 feet. 

CAZ104-011900-
/O.EXA.KEKA.WS.W.0002.180301T1200Z-180303T1800Z/
Southwestern Humboldt-
253 AM PST Thu Mar 1 2018

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST SATURDAY ABOVE
1500 FEET...

* WHAT...Heavy wet snow expected. Plan on difficult travel
  conditions, including during the evening commute. Total wet snow
  accumulations of 6 to 9 inches, with localized amounts up to 18
  inches, are expected.

* WHERE...Southwestern Humboldt County. Roadways impacted include
  Mattole Road and Shelter Cove Road. Snow levels around 3,500
  feet will fall to around 1,500 feet tonight.

* WHEN...4 AM today to 10 AM Saturday.

* 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 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

&&

$$

CAZ107-108-011900-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northern Trinity-Southern Trinity-
253 AM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to
  impossible. Additional snow accumulations of 16 to 24 inches,
  with localized amounts up to 30 inches, are expected. 

* WHERE...Trinity County. Highways impacted include Hwy 3 and hwy
  299. Snow levels currently around 3,000 feet and will drop 
  through the day. Locally lower snow levels in eastern Trinity 
  County.

* WHEN...Until 10 AM Saturday.

* 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 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

&&

$$

CAZ102-105-106-011900-
/O.CON.KEKA.WS.W.0002.180301T1200Z-180303T1800Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-
253 AM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible, including during the evening commute. Total snow
  accumulations of 12 to 18 inches, with localized amounts up to
  35 inches, are expected.

* WHERE...Del Norte Interior, Northern Humboldt Interior and
  Southern Humboldt County Interior. Highways impacted include Hwy
  199, Hwy 101, Hwy 299 and Hwy 36. Snow levels around 3,500 feet
  will fall through the day to around 1,500 feet tonight. 

* WHEN...4 AM today to 10 AM Saturday.

* 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

&&

$$

CAZ110-111-011900-
/O.CON.KEKA.WS.W.0002.180301T1200Z-180303T1800Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
253 AM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to 
  impossible, including during the evening commute. Total snow 
  accumulations of 10 to 14 inches, with localized amounts up to 
  33 inches, are expected.

* WHERE...Northwestern Mendocino Interior and Northeastern
  Mendocino County Interior. Highways impacted include Hwy 101 and
  Hwy 162. Snow levels around 4,000 feet will fall through the 
  day to around 1,500 feet late tonight.

* WHEN...4 AM today to 10 AM Saturday.

* 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

&&

$$

CAZ113-011900-
/O.NEW.KEKA.WW.Y.0007.180302T0400Z-180303T0200Z/
Southeastern Mendocino Interior-
253 AM PST Thu Mar 1 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO
6 PM PST FRIDAY ABOVE 1500 FEET...

* WHAT...Snow expected. Plan on slippery road conditions, 
  including during the morning commute on Friday. Total snow 
  accumulations of 2 to 4 inches, with localized amounts up to 8 
  inches, are expected.

* WHERE...Southeastern Mendocino County Interior. Highways
  impacted include Hwy 20, Hwy 253, and Hwy 128. Snow levels will
  fall to 1,500 feet late tonight. 

* WHEN...8 PM today to 6 PM Friday.

* 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 snow means periods of 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

&&

$$
797 
WWUS46 KEKA 011721
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
921 AM PST Thu Mar 1 2018

...Multiple Rounds of Accumulating Snow Over the Next Several
Days...

.Snow levels will fall to around 1,500 feet by this evening. 
Friday and Saturday snow levels will fluctuate around 1,500 to 
2,500 feet. Heavy mountain snow and coastal hail showers are
likely.

CAZ107-108-020130-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northern Trinity-Southern Trinity-
921 AM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to
  impossible. Additional snow accumulations of 16 to 24 inches,
  with localized amounts up to 30 inches, are expected.

* WHERE...Trinity County. Highways impacted include Hwy 3 and hwy
  299. Snow levels currently around 3,000 feet and will drop 
  through the day. Locally lower snow levels in eastern Trinity 
  County.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ102-104>106-020130-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
921 AM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible, including during the evening commute. Additional
  snow accumulations of 10 to 20 inches, with localized amounts up
  to 35 inches, are expected.

* WHERE...Del Norte Interior, Southwestern Humboldt, Northern
  Humboldt Interior and Southern Humboldt County Interior.
  Highways impacted include Hwy 199, Hwy 101, Hwy 299 and Hwy 36.
  Snow levels around 3,500 feet will fall through the day to 
  around 1,500 feet tonight.

* WHEN...Until 10 AM Saturday.

* 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 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

&&

$$

CAZ110-111-020130-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
921 AM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow expected. Travel will be very difficult to
  impossible, including during the evening commute. Total snow
  accumulations of 10 to 14 inches, with localized amounts up to
  33 inches, are expected.

* WHERE...Northwestern Mendocino Interior and Northeastern
  Mendocino County Interior. Highways impacted include Hwy 101 and
  Hwy 162. Snow levels around 4,000 feet will fall through the 
  day to around 1,500 feet late tonight.

* WHEN...Until 10 AM Saturday.

* 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 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

&&

$$

CAZ101-103-109-020130-
/O.EXB.KEKA.WW.Y.0007.180301T2100Z-180302T0600Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
921 AM PST Thu Mar 1 2018

...WINTER WEATHER ADVISORY FOR SMALL HAIL IN EFFECT FROM 1 PM 
THIS AFTERNOON TO 10 PM PST THIS EVENING...

* WHAT...Accumulating small hail on area roadways this afternoon
  and evening.

* WHERE...Coastal Del Norte, Northern Humboldt Coast and Mendocino
  County Coast. Highways impacted include Hwy 101 and Hwy 1.

* WHEN...1 PM to 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be prepared
  for changing conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for small hail means that hail
accumulating on area roadways will result in hazardous driving
conditions. If hail is observed, motorists are urged to ease off
the gas pedal, do not slam on brakes, and avoid over correcting. 

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

&&

$$

CAZ113-020130-
/O.CON.KEKA.WW.Y.0007.180302T0400Z-180303T0200Z/
Southeastern Mendocino Interior-
921 AM PST Thu Mar 1 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 6 PM PST FRIDAY ABOVE 1500 FEET...

* WHAT...Snow expected. Plan on slippery road conditions, 
  including during the morning commute on Friday. Total snow 
  accumulations of 2 to 4 inches, with localized amounts up to 8 
  inches, are expected.

* WHERE...Southeastern Mendocino County Interior. Highways
  impacted include Hwy 20, Hwy 253, and Hwy 128. Snow levels will
  fall to 1,500 feet late tonight.

* WHEN...8 PM today to 6 PM Friday.

* 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 snow means periods of 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

&&

$$
771 
WWUS46 KEKA 012201
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
201 PM PST Thu Mar 1 2018

...Multiple Rounds of Accumulating Snow During the Next Several 
Days...

.Snow levels will fall to around 1500 feet Thursday evening, and
remain low through Saturday. Heavy mountain snow and coastal hail
showers will be likely.

CAZ107-108-020615-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northern Trinity-Southern Trinity-
201 PM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to
  impossible. Storm total snow amounts from 3 to 8 inches with
  local amounts to 12 inches from 1500 feet to 2500 feet. Above
  2500 feet, 12 to 24 inches with local amounts to 30 inches.

* WHERE...Trinity County. Highways impacted include Hwy 3, Hwy
  299, and Hwy 36.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ102-104>106-020615-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
201 PM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to
  impossible. Storm total snow amounts from 3 to 8 inches with
  local amounts to 12 inches from 1500 feet to 2500 feet. Above
  2500 feet, 12 to 24 inches with local amounts to 30 inches.

* WHERE...Del Norte Interior, Southwestern Humboldt, Northern
  Humboldt Interior and Southern Humboldt County Interior.
  Highways impacted include Hwy 199, Hwy 101, Hwy 299 and Hwy 36.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ110-111-020615-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
201 PM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to
  impossible. Storm total snow amounts from 3 to 8 inches with
  local amounts to 12 inches from 1500 feet to 2500 feet. Above
  2500 feet, 12 to 24 inches with local amounts to 30 inches.

* WHERE...Northwestern Mendocino Interior and Northeastern
  Mendocino County Interior. Highways impacted include Hwy 101 and
  Hwy 162.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ101-103-109-020600-
/O.CON.KEKA.WW.Y.0007.000000T0000Z-180302T0600Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
201 PM PST Thu Mar 1 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...Accumulating small hail on area roadways this afternoon
  and evening.

* WHERE...Coastal Del Norte, Northern Humboldt Coast and Mendocino
  County Coast. Highways impacted include Hwy 101 and Hwy 1.

* WHEN...Until 10 PM today.

* ADDITIONAL DETAILS...Slow down, allow extra time and be prepared
  for changing conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for small hail means that hail
accumulating on area roadways will result in hazardous driving
conditions. If hail is observed, motorists are urged to ease off
the gas pedal, do not slam on brakes, and avoid over correcting.

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

&&

$$

CAZ113-020615-
/O.CON.KEKA.WW.Y.0007.180302T0400Z-180303T0200Z/
Southeastern Mendocino Interior-
201 PM PST Thu Mar 1 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 PM THIS
EVENING TO 6 PM PST FRIDAY ABOVE 1500 FEET...

* WHAT...Snow expected. Plan on slippery road conditions, 
  including during the morning commute on Friday. Total snow 
  accumulations of 2 to 4 inches, with localized amounts up to 7 
  inches, are expected.

* WHERE...Southeastern Mendocino County Interior. Highways
  impacted include Hwy 20, Hwy 253, and Hwy 128. Snow levels will
  fall to 1500 feet late tonight.

* WHEN...8 PM today to 6 PM Friday.

* 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 snow means periods of 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

&&

$$
863 
WWUS46 KEKA 020605
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1005 PM PST Thu Mar 1 2018

...Multiple Rounds of Accumulating Snow During the Few Days...

.Snow levels will fall to around 1500 feet tonight, and remain 
low through Saturday. Heavy mountain snow and coastal hail showers
will be likely.

CAZ107-108-021415-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northern Trinity-Southern Trinity-
1005 PM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to 
  impossible, including during the evening commute on Friday. 
  Additional snow accumulations of 12 to 16 inches are expected.

* WHERE...Trinity County. Highways impacted include 3...36 and 299.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ102-104>106-021415-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
1005 PM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to 
  impossible, including during the evening commute on Friday. 
  Additional snow accumulations of 13 to 17 inches, with 
  localized amounts up to 24 inches, are expected.

* WHERE...Del Norte Interior, Southwestern Humboldt, Northern
  Humboldt Interior and Southern Humboldt County Interior.
  Highways impacted include 101...199...299 and 36.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ110-111-021415-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
1005 PM PST Thu Mar 1 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions, including during the evening commute on Friday. 
  Additional snow accumulations of 7 to 11 inches, with 
  localized amounts up to 16 inches, are expected.

* WHERE...Northwestern Mendocino Interior and Northeastern
  Mendocino County Interior. Highways impacted include 101 and
  162.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ101-103-109-020900-
/O.EXT.KEKA.WW.Y.0007.000000T0000Z-180302T0900Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
1005 PM PST Thu Mar 1 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 AM PST FRIDAY...

* WHAT...Areas of Snow and Hail. 2 to 4 inches of snow above 1500
  feet is expected. Areas of Hail along roadways at any elevation
  will continue through late tonight.

* WHERE...Coastal Del Norte, Northern Humboldt Coast and Mendocino
  County Coast. Highways impacted include portions of 1...101...
  299 and 36.

* WHEN...Until 1 AM Friday.

* 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 in effect. Use caution when traveling.

 

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

&&

$$

CAZ113-021415-
/O.CON.KEKA.WW.Y.0007.000000T0000Z-180303T0200Z/
Southeastern Mendocino Interior-
1005 PM PST Thu Mar 1 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST
FRIDAY ABOVE 1500 FEET...

* WHAT...Snow occurring. Plan on slippery road conditions, 
  including during the morning commute on Friday. Additional 
  snow accumulations of 2 to 4 inches, with localized amounts up 
  to 7 inches, are expected.

* WHERE...Southeastern Mendocino County Interior. Highways
  impacted include 20...253...128.

* WHEN...Until 6 PM Friday.

* 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 is in effect. Use caution while 
driving. 

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

&&

$$
996 
WWUS46 KEKA 020902
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
102 AM PST Fri Mar 2 2018

...Multiple Rounds of Accumulating Snow During the Few Days...

.Snow levels will fall to around 1500 feet tonight, and remain
low through Saturday. Heavy mountain snow and coastal hail
showers will be likely.

CAZ101-103-109-021015-
/O.EXP.KEKA.WW.Y.0007.000000T0000Z-180302T0900Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
102 AM PST Fri Mar 2 2018

...WINTER WEATHER ADVISORY HAS EXPIRED...

There is still the potential for a few small hail showers this
morning.

$$

CAZ107-108-021715-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northern Trinity-Southern Trinity-
102 AM PST Fri Mar 2 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to 
  impossible, including during the evening commute on Friday. 
  Additional snow accumulations of 12 to 16 inches are expected.

* WHERE...Trinity County. Highways impacted include 3...36 and 299.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ102-104>106-021715-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
102 AM PST Fri Mar 2 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Travel will be very difficult to 
  impossible, including during the evening commute on Friday. 
  Additional snow accumulations of 13 to 17 inches, with 
  localized amounts up to 24 inches, are expected.

* WHERE...Del Norte Interior, Southwestern Humboldt, Northern
  Humboldt Interior and Southern Humboldt County Interior.
  Highways impacted include 101...199...299 and 36.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ110-111-021715-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
102 AM PST Fri Mar 2 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions, including during the evening commute on Friday. 
  Additional snow accumulations of 7 to 11 inches, with 
  localized amounts up to 16 inches, are expected.

* WHERE...Northwestern Mendocino Interior and Northeastern
  Mendocino County Interior. Highways impacted include 101 and
  162.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ113-021715-
/O.CON.KEKA.WW.Y.0007.000000T0000Z-180303T0200Z/
Southeastern Mendocino Interior-
102 AM PST Fri Mar 2 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING ABOVE 1500 FEET...

* WHAT...Snow occurring. Plan on slippery road conditions,
  including during the morning commute on Friday. Additional snow
  accumulations of 2 to 4 inches, with localized amounts up to 5 
  inches, are expected.

* WHERE...Southeastern Mendocino County Interior. Highways
  impacted include 20...253...128.

* WHEN...Until 6 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 Weather Advisory for snow means periods of 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

&&

$$
669 
WWUS46 KEKA 021222
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
422 AM PST Fri Mar 2 2018

...Multiple Rounds of Accumulating Snow During the Few Days...

.Snow levels are 1,000 to 1500 feet this morning and will remain
through Saturday. Heavy mountain snow and coastal hail showers 
will be likely.

CAZ107-108-022030-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northern Trinity-Southern Trinity-
422 AM PST Fri Mar 2 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions, including during the evening commute. Additional 
  snow accumulations of 5 to 8 inches, with localized amounts up 
  to 16 inches, are expected.

* WHERE...Trinity County. Highways impacted include Hwy 3, Hwy 299
  and Hwy 36.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ102-104>106-022030-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
422 AM PST Fri Mar 2 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions, including during the evening commute. Additional
  snow accumulations of 6 to 9 inches, with localized amounts up
  to 14 inches, are expected.

* WHERE...Del Norte Interior and Humboldt Interior. Highways above
  1,000 feet impacted include Hwy 199, Hwy 101, Hwy 299, and Hwy 
  36.
 
* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ110-111-022030-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
422 AM PST Fri Mar 2 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions, including during the evening commute. Additional 
  snow accumulations of 3 to 5 inches, with localized amounts up 
  to 13 inches, are expected.

* WHERE...Northwestern Mendocino Interior and Northeastern
  Mendocino County Interior. Highways impacted above 1,500 feet
  include Hwy 101, Hwy 162, and Hwy 20.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ113-022030-
/O.CON.KEKA.WW.Y.0007.000000T0000Z-180303T0200Z/
Southeastern Mendocino Interior-
422 AM PST Fri Mar 2 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING ABOVE 1500 FEET...

* WHAT...Snow occurring. Plan on slippery road conditions, 
  including during the evening commute. Additional snow 
  accumulations of up to two inches are expected.

* WHERE...Southeastern Mendocino County Interior. Highways
  impacted include Hwy 20, Hwy 253 and Hwy 128. 

* WHEN...Until 6 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 Weather Advisory for snow means periods of 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

&&

$$
026 
WWUS46 KEKA 021426
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
626 AM PST Fri Mar 2 2018

...Multiple Rounds of Accumulating Snow During the Few Days...

.Snow levels are 1,000 to 1500 feet this morning and will remain
through Saturday. Heavy mountain snow and coastal hail showers
will be likely. Local snow levels down the the valley floor this
morning with accumulations from a dusting to an inch. 

CAZ107-108-022230-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northern Trinity-Southern Trinity-
626 AM PST Fri Mar 2 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions, including during the evening commute. Additional
  snow accumulations of 5 to 8 inches, with localized amounts up
  to 16 inches, are expected. Local snow levels down the the
  valley floor this morning with accumulations from a dusting to
  an inch. 

* WHERE...Trinity County. Highways impacted include Hwy 3, Hwy 299
  and Hwy 36.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ102-104>106-022230-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
626 AM PST Fri Mar 2 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions, including during the evening commute. Additional
  snow accumulations of 6 to 9 inches, with localized amounts up
  to 14 inches, are expected. Local snow levels down the the
  valley floor this morning with accumulations from a dusting to
  an inch. 

* WHERE...Del Norte Interior and Humboldt Interior. Highways above
  1,000 feet impacted include Hwy 199, Hwy 101, Hwy 299, and Hwy
  36.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ110-111-022230-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
626 AM PST Fri Mar 2 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY ABOVE 1500 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions, including during the evening commute. Additional
  snow accumulations of 3 to 5 inches, with localized amounts up
  to 13 inches, are expected. Local snow levels down the the
  valley floor this morning with accumulations from a dusting to
  an inch. 

* WHERE...Northwestern Mendocino Interior and Northeastern
  Mendocino County Interior. Highways impacted include Hwy 101, 
  Hwy 162, and Hwy 20.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$

CAZ113-022230-
/O.CON.KEKA.WW.Y.0007.000000T0000Z-180303T0200Z/
Southeastern Mendocino Interior-
626 AM PST Fri Mar 2 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING ABOVE 1500 FEET...

* WHAT...Snow occurring. Plan on slippery road conditions,
  including during the evening commute. Additional snow
  accumulations of up to two inches are expected. Local snow 
  levels down the the valley floor this morning with accumulations
  from a dusting to an inch. 

* WHERE...Southeastern Mendocino County Interior. Highways
  impacted include Hwy 20, Hwy 253 and Hwy 128. 

* WHEN...Until 6 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 Weather Advisory for snow means periods of 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

&&

$$
626 
WWUS46 KEKA 022221
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
221 PM PST Fri Mar 2 2018

CAZ113-022330-
/O.CAN.KEKA.WW.Y.0007.000000T0000Z-180303T0200Z/
Southeastern Mendocino Interior-
221 PM PST Fri Mar 2 2018

...WINTER WEATHER ADVISORY IS CANCELLED...

$$

CAZ102-104>108-110-111-030630-
/O.CON.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
Northern Trinity-Southern Trinity-Northwestern Mendocino Interior-
Northeastern Mendocino Interior-
221 PM PST Fri Mar 2 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
SATURDAY...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions, including during the evening commute. Additional
  snow accumulations of 4 to 8 inches are expected through
  Saturday morning.

* WHERE...Del Norte Interior, Southwestern Humboldt, Northern
  Humboldt Interior, Southern Humboldt Interior, Northern Trinity,
  Southern Trinity, Northwestern Mendocino, and Northeastern
  Mendocino Counties. Highways impacted include Hwy 199, Hwy 299,
  Hwy 36, Hwy 3, Hwy 162, Hwy 20, and Hwy 101.

* WHEN...Until 10 AM Saturday.

* 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

&&

$$
663 
WWUS46 KEKA 030512
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
912 PM PST Fri Mar 2 2018

CAZ102-104>108-110-111-031315-
/O.CAN.KEKA.WS.W.0002.000000T0000Z-180303T1800Z/
/O.NEW.KEKA.WW.Y.0008.180303T0512Z-180304T0600Z/
Del Norte Interior-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-
Northern Trinity-Southern Trinity-Northwestern Mendocino Interior-
Northeastern Mendocino Interior-
912 PM PST Fri Mar 2 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST SATURDAY
ABOVE 1500 FEET...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Scattered snow showers. Plan on slippery road conditions.
  Additional snow accumulations of 2 to 6 inches are expected. 
  Snow levels will range from 1000 to 1500 feet tonight and 
  Saturday morning, rising to 2000 to 2500 feet during the day 
  Saturday.

* WHERE...Interior Northwest California at elevations over 1500
  feet.

* WHEN...Until 10 PM Saturday.

* 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 snow means periods of 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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 27, 3:08 AM PSTGale WarningEKA21 hr
Feb 27, 3:10 AM PSTWinter Storm WatchEKADel Norte, Humboldt, Mendocino, Trinity24 hr

Nearby

Winter Storm Warnings in California, 2018Every winter storm warning in 2018

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.