Alert archive / California / Winter Storm Warnings in 2020

Winter Storm Warning 3, NWS Eureka, CA

March 13, 20205 counties in California

NWS Eureka, CA issued this winter storm warning at Mar 13, 2020, 2:13 AM PDT for 5 counties in California. It took effect at Mar 14, 2020, 5:00 AM PDT. It was in force for 39 hr. 60 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Mar 13, 2020, 2:13 AM PDT (09:13 UTC)
In effect from
Mar 14, 2020, 5:00 AM PDT
Expired
Mar 15, 2020, 8:00 PM PDT
In force
39 hr
Issued by
NWS Eureka, CA

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

The radar

The Eureka (Bunker Hill) radar (KBHX), 75 km from the middle of the area, began a volume at 09:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Mar 14, 7:00 AM PDTSNOW 15 E Bridgeville, CACORRECTS PREVIOUS SNOW REPORT FROM 5 E BRIDGEVILLE. STATION ELEVATION: 2675 FT.
Mar 14, 7:00 AM PDTSNOW 15 E Bridgeville, CA
Mar 14, 7:00 AM PDTSNOW 1.65 Se Dinsmore, CACORRECTS PREVIOUS SNOW REPORT FROM 5 SE DINSMORE. STATION ELEVATION: 2532 FT.
Mar 14, 7:00 AM PDTSNOW 1.65 Se Dinsmore, CA
Mar 14, 8:00 AM PDTSNOW 17 E Bridgville, CASNOW BEGAN AROUND 3 AM. STILL SNOWING ON AND OFF. STATION ELEVATION: 2625 FT.
Mar 14, 8:00 AM PDTSNOW 23 Se Kneeland, CACORRECTS PREVIOUS HAIL REPORT FROM 3 SE KNEELAND. SNOWING OFF AND ON WITH SIGNIFICANT MELTING, ESTIMATED ACCUMULATION 2 IN. ESTIMATED LOCATION.
Mar 14, 9:00 AM PDTSNOW 1.57 E Benbow, CAAPPROXIMATELY 0.5 MILE NW OF NEW HARRIS. STILL SNOWING. ELEVATION: 2400 FT.
Mar 14, 9:00 AM PDTSNOW 1.57 E Benbow, CASTILL SNOWING. ELEVATION: 2400 FT.
Mar 14, 9:20 AM PDTSNOW 26 Nne Potter Valley, CADASHIELL CREEK RD. ELEVATION: 3500 FT.
Mar 14, 9:35 AM PDTSNOW 25 W Willow Creek, CA
Mar 14, 11:21 AM PDTSNOW 0.33.4 Wnw Kneeland, CAABOUT 1/4 IN OF SNOWFALL BETWEEN 11:06 AM AND 11:21 AM, HOWEVER ACCUMULATIONS QUICKLY MELTED AS IT FELL.
Mar 14, 12:00 PM PDTSNOW 32 Wnw Ruth, CA24-HR SNOWFALL TOTAL. STATION ELEVATION: 3099 FT.
Mar 14, 12:00 PM PDTSNOW 47 Sw Hoopa, CALOCATION ESTIMATED. 3,400 FEET.
Mar 15, 6:00 AM PDTSNOW 32 N Cobb, CASNOWING MODERATELY.
Mar 15, 7:39 AM PDTSNOW 0Willits, CASOCIAL MEDIA REPORT OF A DUSTING OF SNOW WITH SNOW STILL FALLING AROUND 1,400 FEET IN WILLITS.
Mar 15, 7:42 AM PDTSNOW 12 S Ukiah, CATRAINED SPOTTER REPORTS 1.00 INCH AT AN ELEVATION OF 2,400 FEET OVERNIGHT.
Mar 15, 7:47 AM PDTSNOW 14 Miles South Of Kelsey, CASPOTTER REPORTS AN ESTIMATED 1.00 INCHES OVERNIGHT AT AN ELEVATION OF 2,100 FEET.
Mar 15, 7:56 AM PDTSNOW 12 Ne Laytonville, CASOCIAL MEDIA REPORT OF AROUND AN INCH IN LAYTONVILLE AROUND 1,800 FEET FELL OVERNIGHT.
Mar 15, 8:02 AM PDTSNOW 62 Sse Dinsmore, CASOCIAL MEDIA REPORT OF AROUND 6 INCHES THROUGH THE OVERNIGHT PERIOD AT 2,500 FEET.
Mar 15, 8:05 AM PDTSNOW 04 Nw Willits, CACHP REPORTS A VEHICLE STUCK IN SNOW ON GOOSE ROAD IN BROOKTRAILS.
Mar 15, 8:05 AM PDTSNOW 97 Se Ruth, CASOCIAL MEDIA REPORT OF AROUND 9 INCHES FELL DURING THE EVENT THUS FAR NEAR RUTH.
Mar 15, 8:12 AM PDTSNOW 6.87 Ese Benbow, CASOCIAL MEDIA REPORT AROUND 6.75 INCHES FELL OVERNIGHT AT AN ELEVATION OF 2,400 FEET.
Mar 15, 8:15 AM PDTSNOW 0.42 Sse Willits, CACOCORAHS REPORT OF 0.4 INCHES OVER THE LAST 24-HOURS AT AN ELEVATION OF 1,445 FEET.
Mar 15, 8:15 AM PDTSNOW 0.53.2 Sse Honeydew, CACOCORAHS REPORT OF A 24-HOUR TOTAL OF 0.5 INCHES NEAR HONEYDEW.
Mar 15, 8:15 AM PDTSNOW 0.53.2 Sse Honeydew, CACOCORAHS REPORT OF A 24-HOUR TOTAL OF 0.5 INCHES OF SNOW NEAR HONEYDEW.
Mar 15, 8:15 AM PDTSNOW 16.9 Ese Douglas City, CACOCORAHS REPORT OF 1.0 INCHES OVER THE LAST 24-HOURS.
Mar 15, 8:15 AM PDTSNOW 1.51 Ene Laytonville, CACOCORAHS REPORT OF 1.5 INCHES OVER THE PAST 24-HOURS.
Mar 15, 8:15 AM PDTSNOW 1.62.8 N Ettersburg, CACOCORAHS REPORT OF 1.6 INCHES OF SNOW FELL OVER THE PAST 24-HOURS.
Mar 15, 8:15 AM PDTSNOW 2.61 S Trinity Center, CACOCORAHS REPORT OF 2.6 INCHES OVER THE LATS 24-HOURS AT AN ELEVATION OF 2,427 FEET.
Mar 15, 8:15 AM PDTSNOW 5.55 Se Dinsmore, CACOCORAHS REPORT OF 5.5 INCHES OVER THE LAST 24-HOURS AND 5.8 INCHES FOR THE TOTAL EVENT.
Mar 15, 8:15 AM PDTSNOW 63 Nne Ruth, CACOCORAHS REPORT OF 6 INCHES OVER THE LAST 24-HOURS.
Mar 15, 8:15 AM PDTSNOW 10.25 E Bridgeville, CACOCORAHS REPORT OF 10.2 INCHES OVER THE LAST 24 HOURS AND 11.5 INCHES TOTAL FOR THE EVENT.
Mar 15, 8:15 AM PDTSNOW 10.25 E Bridgeville, CACOCORAHS REPORT OF 10.2 INCHES OVER THE LAST 24-HOURS AND 11.5 INCHES TOTAL FOR THE EVENT.
Mar 15, 8:16 AM PDTSNOW 1.53 Nnw Willits, CASPOTTER REPORTS AROUND 1.5 INCHES OF WET SNOW FELL OVERNIGHT.
Mar 15, 8:18 AM PDTSNOW 2.52 Sw Laytonville, CASPOTTER REPORTS 2 TO 3 INCHES FELL OVERNIGHT AT AN ELEVATION AROUND 2,000 FEET.
Mar 15, 8:20 AM PDTSNOW 107 E Bridgville, CASPOTTER REPORTS AROUND 10 INCHES FELL OVERNIGHT AT AN ELEVATION AROUND 2,400 FEET.
Mar 15, 8:21 AM PDTSNOW 75 E Richardson Grove, CASPOTTER REPORTS AROUND 7 INCHES FELL OVERNIGHT AT AN ELEVATION AROUND 2,800 FEET.
Mar 15, 8:46 AM PDTSNOW 24 Nnw Willits, CASOCIAL MEDIA REPORT OF AROUND 2 INCHES FELL OVERNIGHT.
Mar 15, 8:54 AM PDTSNOW 54 Ne Potter Valley, CASOCIAL MEDIA REPORT OF AROUND 5.0 INCHES FELL OVERNIGHT NEAR POTTER VALLEY AROUND 2,870 FEET IN ELEVATION.
Mar 15, 8:57 AM PDTSNOW 6Dinsmore, CASOCIAL MEDIA REPORT OF AROUND 6 INCHES OVERNIGHT IN DINSMORE AT ELEVATION AROUND 2,500 FEET.
Mar 15, 9:00 AM PDTSNOW 2Redwood Valley, CASOCIAL MEDIA OF AROUND 2 INCHES FELL OVERNIGHT AROUND 2,400 FEET IN ELEVATION.
Mar 15, 9:00 AM PDTSNOW 2Redwood Valley, CASOCIAL MEDIA REPORT OF AROUND 2 INCHES FELL OVERNIGHT AROUND 2,400 FEET IN ELEVATION.
Mar 15, 9:07 AM PDTSNOW 111 Sw Ruth, CASOCIAL MEDIA REPORT OF 11+ INCHES IN HETTENSHAW VALLEY.
Mar 15, 9:21 AM PDTSNOW 35 Ssw Alderpoint, CASOCIAL MEDIA REPORT OF AROUND 3.00 INCHES FELL OVERNIGHT 5 MILES WEST OF ALDERPOINT NEAR PRATT MOUNTAIN.
Mar 15, 9:26 AM PDTSNOW 8Mad River, CASOCIAL MEDIA REPORT OF AROUND 8 INCHES FELL OVERNIGHT AT AN ELEVATION AROUND 2,600 FEET.
Mar 15, 9:28 AM PDTSNOW 0.5Whitehorn, CAESTIMATED 0.5 INCHES AT AROUND 1,060 FEET IN WHITETHORN FELL OVERNIGHT.
Mar 15, 9:44 AM PDTSNOW 47 Sw Hoopa, CASOCIAL MEDIA REPORT OVER AN ADDITIONAL 4 INCHES FELL OVERNIGHT AT AN ELEVATION AROUND 3,400 FEET. STORM TOTAL IS NOW AROUND 9 INCHES.
Mar 15, 9:47 AM PDTSNOW 82 Nw Cobb, CASPOTTER REPORTS AROUND 8 INCHES FELL OVERNIGHT AT AN ELEVATION OF 3,223 FEET.
Mar 15, 9:50 AM PDTSNOW 65 Ssw Ferndale, CANWS EMPLOYEE REPORTS AROUND 6 INCHES OF SNOW ON THE ROAD ON THE WAY TO THE RADAR, GUESSING THIS MOSTLY FELL OVERNIGHT.
Mar 15, 9:53 AM PDTSNOW 04 Nw Willits, CACHP REPORTS A TREE DOWN BLOCK POPPY DRIVE IN BROOKTRAILS.
Mar 15, 10:01 AM PDTSNOW 53 N Ruth, CASOCIAL MEDIA REPORT OF AROUND 5 INCHES FELL OVERNIGHT AT AN ELEVATION AROUND 2,800 FEET.
Mar 15, 10:45 AM PDTSNOW 64 E Hayfork, CASPOTTER REPORTS AN ADDITIONAL 6 INCHES FELL OVERNIGHT AT AN ELEVATION AROUND 2,770 FEET.
Mar 15, 10:45 AM PDTSNOW 64 E Hayfork, CACORRECTS PREVIOUS SNOW REPORT FROM 4 E HAYFORK. SPOTTER REPORTS AN ADDITIONAL 6 INCHES FELL OVERNIGHT AT AN ELEVATION AROUND 2,770 FEET.
Mar 15, 10:45 AM PDTSNOW 64 E Hayfork, CASPOTTER REPORTS AN ADDITIONAL 6 INCHES FELL OVERNIGHT AT AN ELEVATION AROUND 2,770 FEET.
Mar 15, 11:06 AM PDTSNOW 23 Se Kneeland, CASOCIAL MEDIA REPORT OF 2 INCHES OVERNIGHT NEAR KNEELAND.
Mar 15, 11:24 AM PDTSNOW 37 Sse Alderpoint, CASPOTTER REPORT OF 3 INCHES OF WET SNOW OCCURRED OVERNIGHT AROUND 1,500 FEET NEAR BRYSON.
Mar 15, 11:59 AM PDTSNOW 1010 Nw Dos Rios, CASPOTTER REPORTS 10 INCHES OVERNIGHT, 12 INCHES TOTAL, AND STILL SNOWING AT ELEVATION 3,125 FEET.
Mar 15, 12:01 PM PDTSNOW 41 Wnw Blocksburg, CASOCIAL MEDIA REPORT OF SNOW, LOOKS TO BE ABOUT 4 INCHES, DURING THE OVERNIGHT PERIOD THROUGH AROUND NOON AND CURRENTLY STILL SNOWING.
Mar 15, 12:04 PM PDTHEAVY SNOW 17 Sse Alderpoint, CASPOTTER REPORTS HEAVY SNOW FOR THE PAST 30 MINUTES, MEASURING AN INCH DURING THAT TIME. ALSO REPORTS THAT SNOW IS MELTING.
Mar 15, 12:33 PM PDTHEAVY SNOW 010 Nnw Willits, CACHP REPORTS SNOW ON HIGHWAY 101, UNKNOWN AMOUNT.

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, 9.2 hours before the alert went out and 233 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 2020-03-13Temperature 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 2020-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939Sfc1 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
2005 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

106 
WWUS46 KEKA 130913
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
213 AM PDT Fri Mar 13 2020

...Heavy Mountain Snow This Weekend...

.A cold upper-level storm system will move across the region this
weekend. Precipitation will subsequently develop over northwest
California Friday evening, and as freezing levels fall going into
Saturday morning, heavy mountain snow will be likely for 
elevations above 2500 feet.

CAZ102-105>108-111-114-131715-
/O.UPG.KEKA.WS.A.0003.200314T1200Z-200316T0600Z/
/O.NEW.KEKA.WS.W.0003.200314T1200Z-200316T0600Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northeastern Mendocino Interior-Northern Lake County-
213 AM PDT Fri Mar 13 2020

...WINTER STORM WARNING IN EFFECT FROM 5 AM SATURDAY TO 11 PM PDT
SUNDAY ABOVE 2500 FEET...

* WHAT...Heavy snow expected above 2500 feet. Total snow 
  accumulations of 7 to 16 inches.

* WHERE...Del Norte Interior, Northern Humboldt Interior, 
  Southern Humboldt Interior, Northern Trinity, Southern 
  Trinity, Northeastern Mendocino Interior and Northern Lake 
  County Counties.

* WHEN...From 5 AM Saturday to 11 PM PDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$
14 follow-up statements
099 
WWUS46 KEKA 131710
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1010 AM PDT Fri Mar 13 2020

...Heavy Mountain Snow This Weekend...

.A cold upper-level storm system will move across the region this
weekend. Precipitation will subsequently develop over northwest
California this evening, and, as freezing levels fall going into 
Saturday morning, heavy mountain snow will be likely for elevations
above 2500 feet.

CAZ102-105>108-111-114-140115-
/O.CON.KEKA.WS.W.0003.200314T1200Z-200316T0600Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northeastern Mendocino Interior-Northern Lake County-
1010 AM PDT Fri Mar 13 2020

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM SATURDAY TO
11 PM PDT SUNDAY ABOVE 2500 FEET...

* WHAT...Heavy snow expected above 2500 feet. Total snow 
  accumulations of 8 to 16 inches.

* WHERE...Del Norte interior, Humboldt interior, Trinity County,
  northeastern Mendocino interior and northern Lake County.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

* IMPACTS...Travel could be very difficult to impossible,
  particularly around Berry Summit, Oregon Mountain, Buckhorn
  Summit, Scott Mountain Summit, South Fork Mountain, and Collier
  Tunnel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

$$
823 
WWUS46 KEKA 132216
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
316 PM PDT Fri Mar 13 2020

...Heavy Mountain Snow This Weekend...

.A cold upper-level storm system will move across the region this
weekend. Precipitation will subsequently develop over northwest
California this evening, and, as freezing levels fall going into
Saturday morning, heavy mountain snow will be likely for
elevations above 2500 feet.

CAZ110-140630-
/O.EXA.KEKA.WS.W.0003.200314T1200Z-200316T0600Z/
Northwestern Mendocino Interior-
316 PM PDT Fri Mar 13 2020

...WINTER STORM WARNING IN EFFECT FROM 5 AM SATURDAY TO 11 PM 
SUNDAY...

* WHAT...Heavy snow expected. Total snow accumulations of up to 
  7 inches.

* WHERE...Northwestern Mendocino interior.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

$$

CAZ102-105-107-108-111-114-140630-
/O.NEW.KEKA.WW.Y.0006.200314T1200Z-200316T0600Z/
/O.CON.KEKA.WS.W.0003.200314T1200Z-200316T0600Z/
Del Norte Interior-Northern Humboldt Interior-Northern Trinity-
Southern Trinity-Northeastern Mendocino Interior-
Northern Lake County-
316 PM PDT Fri Mar 13 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM SATURDAY TO 11 PM
PDT SUNDAY ABOVE 2000 FEET...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM SATURDAY TO
11 PM PDT SUNDAY ABOVE 2500 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy snow
  expected. Total snow accumulations of up to 14 inches. For the
  Winter Weather Advisory above 2000 feet, snow expected. Total
  snow accumulations of 3 to 6 inches.

* WHERE...Del Norte interior, Northern Humboldt interior, Trinity
  County, northeastern Mendocino interior and northern Lake County.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

* IMPACTS...Travel could be very difficult to  impossible, 
  particularly around Berry Summit, Oregon Mountain, Buckhorn 
  Summit, Scott Mountain Summit, South Fork Mountain, and Collier 
  Tunnel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

$$

CAZ106-140630-
/O.CON.KEKA.WS.W.0003.200314T1200Z-200316T0600Z/
Southern Humboldt Interior-
316 PM PDT Fri Mar 13 2020

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM SATURDAY TO
11 PM SUNDAY...

* WHAT...Heavy snow expected above 2500 feet. Total snow 
  accumulations of 8 to 12 inches.

* WHERE...Southern Humboldt interior.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

* IMPACTS...Travel could be very difficult to impossible,
  particularly along portions of Highway 36 near Dinsmore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

$$
456 
WWUS46 KEKA 140614
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1114 PM PDT Fri Mar 13 2020

...Heavy Mountain Snow This Weekend...

.A cold upper-level storm system will move across the region this
weekend. Precipitation will subsequently develop over northwest
California this evening, and, as freezing levels fall going into
Saturday morning, heavy mountain snow will be likely for
elevations above 2500 feet.

CAZ110-140715-
/O.CAN.KEKA.WS.W.0003.200314T1200Z-200316T0600Z/
Northwestern Mendocino Interior-
1114 PM PDT Fri Mar 13 2020

...WINTER STORM WARNING IS CANCELLED...

$$

CAZ102-105-107-108-111-114-141415-
/O.CON.KEKA.WS.W.0003.200314T1200Z-200316T0600Z/
/O.CON.KEKA.WW.Y.0006.200314T1200Z-200316T0600Z/
Del Norte Interior-Northern Humboldt Interior-Northern Trinity-
Southern Trinity-Northeastern Mendocino Interior-
Northern Lake County-
1114 PM PDT Fri Mar 13 2020

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM SATURDAY TO
11 PM PDT SUNDAY ABOVE 2500 FEET...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM SATURDAY
TO 11 PM PDT SUNDAY ABOVE 2000 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy 
  snow expected. Total snow accumulations of up to 14 inches. 
  For the Winter Weather Advisory above 2000 feet, snow 
  expected. Total snow accumulations of 3 to 6 inches.

* WHERE...Del Norte interior, Northern Humboldt interior, 
  Trinity County, northeastern Mendocino interior and northern 
  Lake County.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

* IMPACTS...Travel could be very difficult to impossible, 
  particularly around Berry Summit, Oregon Mountain, Buckhorn 
  Summit, Scott Mountain Summit, South Fork Mountain, and 
  Collier Tunnel. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

&&

$$

CAZ106-141415-
/O.CON.KEKA.WS.W.0003.200314T1200Z-200316T0600Z/
Southern Humboldt Interior-
1114 PM PDT Fri Mar 13 2020

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM SATURDAY TO
11 PM PDT SUNDAY ABOVE 2500 FEET...

* WHAT...Heavy snow expected above 2500 feet. Total snow 
  accumulations of 8 to 12 inches.

* WHERE...Southern Humboldt interior.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

* IMPACTS...Travel could be very difficult to impossible, 
  particularly along portions of Highway 36 near Dinsmore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

$$
012 
WWUS46 KEKA 140742
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1242 AM PDT Sat Mar 14 2020

...Heavy Mountain Snow This Weekend...

.A cold upper-level storm system will move across the region this
weekend. Precipitation will subsequently develop over northwest
California this evening, and as freezing levels fall going into 
Saturday morning, heavy mountain snow will be likely for 
elevations above 2500 feet.

CAZ102-105-107-108-111-114-141545-
/O.CON.KEKA.WS.W.0003.200314T1200Z-200316T0600Z/
/O.CON.KEKA.WW.Y.0006.200314T1200Z-200316T0600Z/
Del Norte Interior-Northern Humboldt Interior-Northern Trinity-
Southern Trinity-Northeastern Mendocino Interior-
Northern Lake County-
1242 AM PDT Sat Mar 14 2020

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 11 PM PDT SUNDAY ABOVE 2500 FEET...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 11 PM PDT SUNDAY ABOVE 2000 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy 
  snow expected. Total snow accumulations of up to 14 inches. 
  For the Winter Weather Advisory above 2000 feet, snow 
  expected. Total snow accumulations of 3 to 6 inches.

* WHERE...Del Norte interior, Northern Humboldt interior, 
  Trinity County, northeastern Mendocino interior and northern 
  Lake County.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

* IMPACTS...Travel could be very difficult to impossible, 
  particularly around Berry Summit, Oregon Mountain, Buckhorn 
  Summit, Scott Mountain Summit, South Fork Mountain, and 
  Collier Tunnel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

&&

$$

CAZ106-141545-
/O.EXA.KEKA.WW.Y.0006.200314T1200Z-200316T0600Z/
/O.CON.KEKA.WS.W.0003.200314T1200Z-200316T0600Z/
Southern Humboldt Interior-
1242 AM PDT Sat Mar 14 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM EARLY THIS MORNING
TO 11 PM PDT SUNDAY ABOVE 2000 FEET...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 11 PM PDT SUNDAY ABOVE 2500 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy snow
  expected. Total snow accumulations of 7 to 12 inches. For the
  Winter Weather Advisory above 2000 feet, snow expected. Total
  snow accumulations of up to 3 to 6 inches.

* WHERE...Southern Humboldt Interior County.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

* IMPACTS...Travel could be very difficult to impossible,
  particularly around Berry Summit, Oregon Mountain, Buckhorn
  Summit, Scott Mountain Summit, South Fork Mountain, and Collier
  Tunnel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

&&

$$

CAZ104-110-141545-
/O.EXA.KEKA.WW.Y.0006.200314T1200Z-200316T0600Z/
Southwestern Humboldt-Northwestern Mendocino Interior-
1242 AM PDT Sat Mar 14 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM EARLY THIS MORNING
TO 11 PM PDT SUNDAY ABOVE 2000 FEET...

* WHAT...Snow expected above 2000 feet. Total snow accumulations
  of 3 to 6 inches.

* WHERE...Southwestern Humboldt and Northwestern Mendocino 
  Interior Counties.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$
121 
WWUS46 KEKA 140911
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
211 AM PDT Sat Mar 14 2020

...Heavy Mountain Snow This Weekend...

.A cold upper-level storm system will move across the region this
weekend. Low freezing levels combined with widespread shower
development will favor heavy mountain snow for elevations above 
2500 feet.

CAZ102-105>108-111-114-141715-
/O.CON.KEKA.WS.W.0003.200314T1200Z-200316T0600Z/
/O.CON.KEKA.WW.Y.0006.200314T1200Z-200316T0600Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northeastern Mendocino Interior-Northern Lake County-
211 AM PDT Sat Mar 14 2020

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT SUNDAY
ABOVE 2500 FEET...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT
SUNDAY ABOVE 2000 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy snow
  expected. Total snow accumulations of 7 to 14 inches. For the 
  Winter Weather Advisory above 2000 feet, snow expected. Total 
  snow accumulations of 3 to 6 inches.

* WHERE...Del Norte interior, Northern Humboldt interior, 
  Trinity County, northeastern Mendocino interior and northern 
  Lake County.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

* IMPACTS...Travel could be very difficult to impossible, 
  particularly around Berry Summit, Oregon Mountain, Buckhorn 
  Summit, Scott Mountain Summit, South Fork Mountain, and 
  Collier Tunnel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

&&

$$

CAZ104-110-141715-
/O.CON.KEKA.WW.Y.0006.200314T1200Z-200316T0600Z/
Southwestern Humboldt-Northwestern Mendocino Interior-
211 AM PDT Sat Mar 14 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT
SUNDAY ABOVE 2000 FEET...

* WHAT...Snow expected above 2000 feet. Total snow accumulations 
  of 3 to 6 inches.

* WHERE...Southwestern Humboldt and Northwestern Mendocino 
  Interior Counties.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$
537 
WWUS46 KEKA 141716
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1016 AM PDT Sat Mar 14 2020

...Heavy Mountain Snow This Weekend...

.A cold upper-level storm system will move across the region this
weekend. Low freezing levels combined with widespread shower
development will favor heavy mountain snow for elevations above
2500 feet.

CAZ102-105>108-111-114-150130-
/O.CON.KEKA.WS.W.0003.000000T0000Z-200316T0600Z/
/O.CON.KEKA.WW.Y.0006.000000T0000Z-200316T0600Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northeastern Mendocino Interior-Northern Lake County-
1016 AM PDT Sat Mar 14 2020

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM SUNDAY 
ABOVE 2500 FEET... 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM SUNDAY 
ABOVE 2000 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy snow
  with total snow accumulations of 7 to 14 inches. For the Winter
  Weather Advisory above 2000 feet, snow with total snow 
  accumulations of 3 to 6 inches.

* WHERE...Del Norte interior, Northern Humboldt interior, 
  Trinity County, northeastern Mendocino interior and northern 
  Lake County.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

* IMPACTS...Travel could be very difficult to impossible, 
  particularly around Berry Summit, Oregon Mountain, Buckhorn 
  Summit, Scott Mountain Summit, South Fork Mountain, and 
  Collier Tunnel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling.

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

$$

CAZ104-110-150130-
/O.CON.KEKA.WW.Y.0006.000000T0000Z-200316T0600Z/
Southwestern Humboldt-Northwestern Mendocino Interior-
1016 AM PDT Sat Mar 14 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM SUNDAY 
ABOVE 2000 FEET...

* WHAT...Snow above 2000 feet with total snow accumulations of 3 
  to 6 inches.

* WHERE...Southwestern Humboldt and Northwestern Mendocino interior.

* WHEN...From 5 AM Saturday to 11 PM Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

$$
305 
WWUS46 KEKA 142204
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
304 PM PDT Sat Mar 14 2020

...Heavy Mountain Snow This Weekend...

.A cold upper-level storm system will continue to move across the
region this weekend. Low freezing levels combined with widespread
shower development will favor heavy mountain snow for elevations 
above 2500 feet.

CAZ102-105>108-111-114-150615-
/O.CON.KEKA.WS.W.0003.000000T0000Z-200316T0600Z/
/O.CON.KEKA.WW.Y.0006.000000T0000Z-200316T0600Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northeastern Mendocino Interior-Northern Lake County-
304 PM PDT Sat Mar 14 2020

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM SUNDAY 
ABOVE 2500 FEET... 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM SUNDAY 
ABOVE 2000 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy snow
  with additional accumulations of 4 to 12 inches. For the Winter
  Weather Advisory above 2000 feet, snow with additional
  accumulations of 4 to 6 inches.

* WHERE...Trinity County, Northeastern Mendocino Interior, Del
  Norte Interior, Humboldt interior, and Northern Lake County.

* WHEN...Until 11 PM Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

$$

CAZ104-110-150615-
/O.CON.KEKA.WW.Y.0006.000000T0000Z-200316T0600Z/
Southwestern Humboldt-Northwestern Mendocino Interior-
304 PM PDT Sat Mar 14 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM SUNDAY 
ABOVE 2000 FEET...

* WHAT...Snow above 2000 feet with additional snow accumulations
  of up to 6 inches.

* WHERE...Northwestern Mendocino Interior and Southwestern 
  Humboldt counties.

* WHEN...Until 11 PM Sunday.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

$$
911 
WWUS46 KEKA 150246
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
746 PM PDT Sat Mar 14 2020

...Heavy Mountain Snow Tonight and Sunday...

.A cold upper-level storm system will continue to move across the
region tonight and Sunday. Snow levels are currently around 2500
feet and will drop to around 1500 to 2000 feet tonight as another
band of heavier showers moves through after midnight. 

CAZ114-151100-
/O.EXT.KEKA.WS.W.0003.000000T0000Z-200315T2100Z/
/O.EXT.KEKA.WW.Y.0006.000000T0000Z-200315T2100Z/
Northern Lake County-
746 PM PDT Sat Mar 14 2020

...WINTER STORM WARNING NOW IN EFFECT UNTIL 2 PM PDT SUNDAY ABOVE
2500 FEET...
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 2 PM PDT SUNDAY
ABOVE 1500 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy snow.
  Additional snow accumulations of 3 to 9 inches. For the Winter
  Weather Advisory above 1500 feet, snow. Additional snow
  accumulations of 2 to 5 inches.

* WHERE...Northern Lake County County.

* WHEN...Until 2 PM PDT Sunday.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

&&

$$

CAZ102-105>108-111-151100-
/O.CON.KEKA.WS.W.0003.000000T0000Z-200316T0600Z/
/O.CON.KEKA.WW.Y.0006.000000T0000Z-200316T0600Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northeastern Mendocino Interior-
746 PM PDT Sat Mar 14 2020

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT SUNDAY
ABOVE 2500 FEET...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT
SUNDAY ABOVE 1500 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy snow.
  Additional snow accumulations of 5 to 10 inches. For the Winter
  Weather Advisory from 1500 to 2500 feet, snow. Additional snow 
  accumulations of 2 to 5 inches.

* WHERE...Trinity county, Northeastern Mendocino Interior, and
  interior Humboldt and Del Norte counties. This includes most of
  the summits on Hwy 199, 101, 299, 3, and 36.

* WHEN...Until 11 PM PDT Sunday.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

&&

$$

CAZ113-115-151100-
/O.EXB.KEKA.WW.Y.0006.000000T0000Z-200315T2100Z/
Southeastern Mendocino Interior-Southern Lake County-
746 PM PDT Sat Mar 14 2020

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM PDT SUNDAY ABOVE
2000 FEET...

* WHAT...Snow above 2000 feet. Additional snow accumulations of 
  to 2 to 5 inches.

* WHERE...Southeastern Mendocino Interior and Southern Lake County
  Counties including the higher summits of Highway 175, Highway
  253 and Highway 29.

* WHEN...Until 2 PM PDT Sunday.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

CAZ110-151100-
/O.EXT.KEKA.WW.Y.0006.000000T0000Z-200315T2100Z/
Northwestern Mendocino Interior-
746 PM PDT Sat Mar 14 2020

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 2 PM PDT SUNDAY
ABOVE 1500 FEET...

* WHAT...Snow above 1500 feet. Additional snow accumulations of 4
  to 7 inches.

* WHERE...Northwestern Mendocino Interior County including highway
  101 on the higher summits. 

* WHEN...Until 2 PM PDT Sunday.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

CAZ104-151100-
/O.CON.KEKA.WW.Y.0006.000000T0000Z-200316T0600Z/
Southwestern Humboldt-
746 PM PDT Sat Mar 14 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT
SUNDAY ABOVE 1500 FEET...

* WHAT...Snow above 1500 feet. Additional snow accumulations of 4 
  to 7 inches.

* WHERE...Southwestern Humboldt County including the highest
  points on Mattole Road and Shelter Cove.

* WHEN...Until 11 PM PDT Sunday.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$
890 
WWUS46 KEKA 151051
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
351 AM PDT Sun Mar 15 2020

...Periods of Snow Continuing Sunday...

.A cold upper-level storm system will continue to move across the
region today. Snow levels are currently around 1500 to 2000 feet 
with areas of fairly steady snow working across the area from west
to east this morning. This snow will tend to taper off to 
scattered showers this afternoon, with that activity continuing to
diminish into this evening. Snow levels may rise more into the 
2000 to 2500 ft range this afternoon, before lowering again by 
several hundred feet tonight. 


CAZ102-105>108-111-151800-
/O.EXT.KEKA.WS.W.0003.000000T0000Z-200316T0000Z/
/O.EXT.KEKA.WW.Y.0006.000000T0000Z-200316T0000Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northeastern Mendocino Interior-
351 AM PDT Sun Mar 15 2020

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 2500 FEET...
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 1500 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy snow.
  Additional snow accumulations of 3 to 7 inches. For the Winter 
  Weather Advisory from 1500 to 2500 feet, snow. Additional snow 
  accumulations of 1 to 4 inches.

* WHERE...Trinity county, Northeastern Mendocino Interior, and 
  interior Humboldt and Del Norte counties. This includes most 
  of the summits on Hwy 199, 101, 299, 3, and 36.

* WHEN...Until 5 PM PDT this afternoon.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling.

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

&&

$$

CAZ114-151800-
/O.EXT.KEKA.WS.W.0003.000000T0000Z-200315T1800Z/
/O.EXT.KEKA.WW.Y.0006.000000T0000Z-200315T1800Z/
Northern Lake County-
351 AM PDT Sun Mar 15 2020

...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 AM PDT THIS
MORNING ABOVE 2500 FEET...
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM PDT THIS
MORNING ABOVE 1500 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy 
  snow. Additional snow accumulations of 3 to 6 inches. For the 
  Winter Weather Advisory above 1500 feet, snow. Additional snow 
  accumulations of 1 to 3 inches.

* WHERE...Northern Lake County County.

* WHEN...Until 11 AM PDT this morning.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling.

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

&&

$$

CAZ110-151800-
/O.EXT.KEKA.WW.Y.0006.000000T0000Z-200315T1800Z/
Northwestern Mendocino Interior-
351 AM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM PDT THIS
MORNING ABOVE 1500 FEET...

* WHAT...Snow above 1500 feet. Additional snow accumulations of 2
  to 4 inches.

* WHERE...Northwestern Mendocino Interior County including 
  highway 101 on the higher summits.

* WHEN...Until 11 AM PDT this morning.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$

CAZ104-151800-
/O.EXT.KEKA.WW.Y.0006.000000T0000Z-200316T0000Z/
Southwestern Humboldt-
351 AM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 1500 FEET...

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

* WHERE...Southwestern Humboldt County including the highest 
  points on Mattole Road and Shelter Cove.

* WHEN...Until 5 PM PDT this afternoon.

* IMPACTS...Plan on slippery road conditions.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$

CAZ113-115-151800-
/O.EXT.KEKA.WW.Y.0006.000000T0000Z-200315T1800Z/
Southeastern Mendocino Interior-Southern Lake County-
351 AM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 AM PDT THIS
MORNING ABOVE 2000 FEET...

* WHAT...Snow above 2000 feet. Additional snow accumulations of 
  to 1 to 2 inches.

* WHERE...Southeastern Mendocino Interior and Southern Lake 
  County Counties including the higher summits of Highway 175, 
  Highway 253 and Highway 29.

* WHEN...Until 11 AM PDT this morning.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$
093 
WWUS46 KEKA 151806
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
1106 AM PDT Sun Mar 15 2020

...Periods of Snow Continuing This Afternoon...

.A cold upper-level storm system will continue to move across the
region today. Snow levels are currently around 1500 to 2000 feet
with areas of fairly steady snow working across the area from
west to east this morning. This snow will tend to taper off to
scattered showers this afternoon, with that activity continuing
to diminish into this evening. Snow levels may rise more into the
2000 to 2500 ft range this afternoon, before lowering again by
several hundred feet tonight.

CAZ114-152200-
/O.EXP.KEKA.WS.W.0003.000000T0000Z-200315T1800Z/
/O.EXP.KEKA.WW.Y.0006.000000T0000Z-200315T1800Z/
/O.NEW.KEKA.WW.Y.0007.200315T1806Z-200315T2200Z/
Northern Lake County-
1106 AM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON ABOVE 1500 FEET...
...WINTER STORM WARNING HAS EXPIRED...

* WHAT...Wet snow above 1500 feet. Additional snow accumulations 
  of up to one inch.

* WHERE...Northern Lake County County.

* WHEN...Until 3 PM PDT this afternoon.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

CAZ110-152200-
/O.EXP.KEKA.WW.Y.0006.000000T0000Z-200315T1800Z/
/O.NEW.KEKA.WW.Y.0007.200315T1806Z-200315T2200Z/
Northwestern Mendocino Interior-
1106 AM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON ABOVE 1500 FEET...

* WHAT...Wet snow above 1500 feet. Additional snow accumulations 
  of up to one inch.

* WHERE...Northwestern Mendocino Interior County.

* WHEN...Until 3 PM PDT this afternoon.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

CAZ115-152200-
/O.EXP.KEKA.WW.Y.0006.000000T0000Z-200315T1800Z/
/O.NEW.KEKA.WW.Y.0007.200315T1806Z-200315T2200Z/
Southern Lake County-
1106 AM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON ABOVE 2000 FEET...

* WHAT...Additional snow accumulations up to 2 inches above 2000 
  feet.

* WHERE...Southern Lake County County.

* WHEN...Until 3 PM PDT this afternoon.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

CAZ113-151915-
/O.EXP.KEKA.WW.Y.0006.000000T0000Z-200315T1800Z/
Southeastern Mendocino Interior-
1106 AM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY HAS EXPIRED...

$$

CAZ102-105>108-111-160000-
/O.CON.KEKA.WS.W.0003.000000T0000Z-200316T0000Z/
/O.CON.KEKA.WW.Y.0006.000000T0000Z-200316T0000Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northeastern Mendocino Interior-
1106 AM PDT Sun Mar 15 2020

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 2500 FEET...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 1500 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy 
  snow. Additional snow accumulations of 2 to 4 inches. For the 
  Winter Weather Advisory from 1500 to 2500 feet, snow. 
  Additional snow accumulations of 1 to 3 inches.

* WHERE...Trinity county, Northeastern Mendocino Interior, and 
  interior Humboldt and Del Norte counties. This includes most 
  of the summits on Hwy 199, 101, 299, 3, and 36.

* WHEN...Until 5 PM PDT this afternoon.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

&&

$$

CAZ104-160000-
/O.CON.KEKA.WW.Y.0006.000000T0000Z-200316T0000Z/
Southwestern Humboldt-
1106 AM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 1500 FEET...

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

* WHERE...Southwestern Humboldt County including the highest 
  points on Mattole Road and Shelter Cove.

* WHEN...Until 5 PM PDT this afternoon.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$
137 
WWUS46 KEKA 152148
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
248 PM PDT Sun Mar 15 2020

...Periods of Snow Continuing This Afternoon...

.A band of heavier showers will continue to move through Trinity 
and interior Del Norte and Humboldt Counties through early this 
evening, with minor additional accumulations possible above 2500 
feet. Showers will then begin to taper off later this evening.

CAZ110-114-152300-
/O.EXP.KEKA.WW.Y.0007.000000T0000Z-200315T2200Z/
Northwestern Mendocino Interior-Northern Lake County-
248 PM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON
ABOVE 1500 FEET...

Scattered snow showers may linger into this evening, but little or
no additional accumulation is expected.

$$

CAZ115-152300-
/O.EXP.KEKA.WW.Y.0007.000000T0000Z-200315T2200Z/
Southern Lake County-
248 PM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON
ABOVE 2000 FEET...

Scattered snow showers may linger into this evening, but little or
no additional accumulation is expected.

$$

CAZ102-105>108-111-160000-
/O.CON.KEKA.WS.W.0003.000000T0000Z-200316T0000Z/
/O.CON.KEKA.WW.Y.0006.000000T0000Z-200316T0000Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northeastern Mendocino Interior-
248 PM PDT Sun Mar 15 2020

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 2500 FEET...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 1500 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy snow.
  Additional snow accumulations of 1 to 2 inches. For the Winter
  Weather Advisory from 1500 to 2500 feet, snow. Little or no
  additional snow accumulation.

* WHERE...Trinity county, Northeastern Mendocino Interior, and 
  interior Humboldt and Del Norte counties. This includes most 
  of the summits on Hwy 199, 101, 299, 3, and 36.

* WHEN...Until 5 PM PDT this afternoon.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

&&

$$

CAZ104-152300-
/O.EXT.KEKA.WW.Y.0006.000000T0000Z-200315T2200Z/
Southwestern Humboldt-
248 PM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON
ABOVE 1500 FEET...

Scattered snow showers may linger into this evening, but little or
no additional accumulation is expected.

&&

$$
514 
WWUS46 KEKA 152204
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
304 PM PDT Sun Mar 15 2020

...Periods of Snow Continuing This Afternoon...

.A band of heavier showers will continue to move through Trinity
and interior Del Norte and Humboldt Counties through early this
evening, with minor additional accumulations possible above
2500 feet. Showers will then begin to taper off later this
evening.

CAZ104-152315-
/O.EXP.KEKA.WW.Y.0006.000000T0000Z-200315T2200Z/
Southwestern Humboldt-
304 PM PDT Sun Mar 15 2020

...WINTER WEATHER ADVISORY HAS EXPIRED...

Scattered snow showers may linger into this evening, but little 
or no additional accumulation is expected.

$$

CAZ102-105>108-111-160000-
/O.CON.KEKA.WS.W.0003.000000T0000Z-200316T0000Z/
/O.CON.KEKA.WW.Y.0006.000000T0000Z-200316T0000Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northeastern Mendocino Interior-
304 PM PDT Sun Mar 15 2020

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 2500 FEET...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON ABOVE 1500 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy 
  snow. Additional snow accumulations of 1 to 2 inches. For the 
  Winter Weather Advisory from 1500 to 2500 feet, snow. Little 
  or no additional snow accumulation.

* WHERE...Trinity county, Northeastern Mendocino Interior, and 
  interior Humboldt and Del Norte counties. This includes most 
  of the summits on Hwy 199, 101, 299, 3, and 36.

* WHEN...Until 5 PM PDT this afternoon.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

&&

$$
804 
WWUS46 KEKA 160000
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
500 PM PDT Sun Mar 15 2020

...Periods of Snow Continuing This Evening Across the Trinity 
Horn...

.A band of heavy showers will continue to move through
northeastern Trinity County through early this evening, with 
additional snow accumulations above 2500 feet. Showers will then 
begin to taper off later this evening.

CAZ102-105-106-108-111-160100-
/O.EXP.KEKA.WS.W.0003.000000T0000Z-200316T0000Z/
/O.EXP.KEKA.WW.Y.0006.000000T0000Z-200316T0000Z/
Del Norte Interior-Northern Humboldt Interior-
Southern Humboldt Interior-Southern Trinity-
Northeastern Mendocino Interior-
500 PM PDT Sun Mar 15 2020

...WINTER STORM WARNING WILL EXPIRE AT 5 PM THIS AFTERNOON ABOVE 
2500 FEET... 
...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM THIS AFTERNOON 
ABOVE 1500 FEET...

Additional light snow accumulations are likely above 2500 feet
tonight.

$$

CAZ107-160300-
/O.EXT.KEKA.WS.W.0003.000000T0000Z-200316T0300Z/
/O.EXT.KEKA.WW.Y.0006.000000T0000Z-200316T0300Z/
Northern Trinity-
500 PM PDT Sun Mar 15 2020

...WINTER STORM WARNING NOW IN EFFECT UNTIL 8 PM THIS EVENING 
ABOVE 2500 FEET... 
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 8 PM THIS EVENING 
ABOVE 1500 FEET...

* WHAT...For the Winter Storm Warning above 2500 feet, heavy snow
  with additional snow accumulations of 2 to 3 inches. For the 
  Winter Weather Advisory above 1500 feet, additional snow 
  accumulations of around one inch.

* WHERE...Northern Trinity County.

* WHEN...Until 8 PM this evening.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Slow down and use caution while traveling. 

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

$$
635 
WWUS46 KEKA 160315
WSWEKA

URGENT - WINTER WEATHER MESSAGE
National Weather Service Eureka CA
815 PM PDT Sun Mar 15 2020

CAZ107-160415-
/O.EXP.KEKA.WS.W.0003.000000T0000Z-200316T0300Z/
/O.EXP.KEKA.WW.Y.0006.000000T0000Z-200316T0300Z/
Northern Trinity-
815 PM PDT Sun Mar 15 2020

...WINTER STORM WARNING HAS EXPIRED...
...WINTER WEATHER ADVISORY HAS EXPIRED...

Mostly light snow showers will linger through the rest of the
evening with only light additional accumulations expected.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 2:45 PM PDTSmall Craft AdvisoryEKA27 hr
Mar 13, 3:16 PM PDTWinter Weather AdvisoryEKADel Norte, Humboldt, Lake, Mendocino, Trinity53 hr

Nearby

Winter Storm Warnings in California, 2020Every winter storm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.