Alert archive / California / Winter Storm Warnings in 2017

Winter Storm Warning 2, NWS Sacramento, CA

January 8, 2017

NWS Sacramento, CA issued this winter storm warning at Jan 8, 2017, 3:23 PM PST. It took effect at Jan 9, 2017, 4:00 AM PST. It was in force for 3 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 8, 2017, 3:23 PM PST (23:23 UTC)
In effect from
Jan 9, 2017, 4:00 AM PST
Expired
Jan 12, 2017, 10:00 AM PST
In force
3 days
Issued by
NWS Sacramento, CA

The text

As transmitted.

334 
WWUS46 KSTO 082323
WSWSTO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
323 PM PST SUN JAN 8 2017

...VERY HEAVY SNOW EXPECTED MONDAY INTO THURSDAY...

.A SERIES OF WET STORM SYSTEMS WILL CONTINUE TO IMPACT NORTHERN
CALIFORNIA THROUGH THE MIDDLE OF NEXT WEEK. COLDER AIR WILL BEGIN
TO MOVE INTO THE REGION LATE TONIGHT LOWERING SNOW LEVELS BELOW
PASS LEVELS. SNOW WILL CONTINUE THROUGH WEDNESDAY INTO EARLY
THURSDAY. SEVERAL FEET OF SNOW WILL BE POSSIBLE ALONG THE MIDDLE 
AND UPPER SLOPES OF THE SIERRA AND LASSEN PARK IN THIS TIMEFRAME.
SNOW MAY ALSO IMPACT TRAVEL OVER THE NORTHERN COASTAL RANGE AND
MOUNTAINS OF SHASTA COUNTY.

CAZ068-069-091200-
/O.UPG.KSTO.WS.A.0002.170109T1200Z-170112T0000Z/
/O.NEW.KSTO.WS.W.0002.170109T1200Z-170113T0100Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITIES OF CHESTER, QUINCY, AND BLUE CANYON
323 PM PST SUN JAN 8 2017

...WINTER STORM WARNING IN EFFECT FROM 4 AM MONDAY TO 5 PM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW, WHICH IS IN EFFECT FROM 4 AM MONDAY
TO 5 PM PST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN 
EFFECT.


* MAIN IMPACTS: HAZARDOUS TRAVEL IS EXPECTED WITH SLICK ROADS 
  AND LOW VISIBILITIES. LONG TRAVEL DELAYS ARE POSSIBLE DUE TO 
  TRAFFIC ACCIDENTS AND SNOW REMOVAL. CHAIN CONTROLS ARE LIKELY, 
  AND ROAD CLOSURES ARE POSSIBLE. 

* CONFIDENCE...HIGH.

* TIMING...SNOW LEVELS WILL DROP BELOW MAJOR SIERRA PASSES BY LATE
  TONIGHT. PERIODS OF HEAVY SNOW WILL BE POSSIBLE MONDAY THROUGH
  WEDNESDAY INTO EARLY THURSDAY. 

* LOCATIONS...LASSEN PARK, INTERSTATE 80 OVER DONNER PASS, 
  HIGHWAY 50 OVER ECHO SUMMIT, HIGHWAY 88 OVER CARSON PASS. 

* SNOW ACCUMULATIONS...UP TO AROUND 10 INCHES ON MONDAY. 3 TO 7 
FEET OF SNOW WILL BE POSSIBLE BETWEEN MONDAY AND EARLY THURSDAY.


* OTHER IMPACTS...GUSTY WINDS WITH HEAVY SNOW WILL COMBINE TO
  BRING POOR VISIBILITY.

INTERACT WITH US VIA SOCIAL MEDIA WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD,
AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ013-063-091200-
/O.NEW.KSTO.WW.Y.0003.170109T1200Z-170111T0000Z/
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO NORTHERN LAKE COUNTY-
INCLUDING THE CITIES OF SHASTA DAM AND ALDER SPRINGS
323 PM PST SUN JAN 8 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM MONDAY TO 4 PM PST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW, WHICH IS IN EFFECT FROM 4 AM MONDAY TO
4 PM PST TUESDAY. 

* MAIN IMPACT: HAZARDOUS WINTER TRAVEL WITH REDUCED 
  VISIBILITIES, CHAIN CONTROLS, AND TRAVEL DELAYS. 

* TIMING...MODERATE SNOW AT TIMES ABOVE 3500 FEET. SNOW LEVELS AS
  LOW AS 3000 FEET MONDAY INTO MONDAY NIGHT

* LOCATIONS...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE.

* SNOW ACCUMULATIONS...SNOW ACCUMULATIONS 4 TO 8 INCHES ABOVE 3500
  FEET WITH LIGHT ACCUMULATIONS DOWN TO 3000 FEET. UP TO 12 
  INCHES POSSIBLE AT THE HIGHEST ELEVATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW 
COVERED ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE 
DRIVING.

&&

$$
EK
9 follow-up statements
254 
WWUS46 KSTO 091130
WSWSTO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
330 AM PST MON JAN 9 2017

...VERY HEAVY SNOW EXPECTED INTO THURSDAY...

.A SERIES OF WET STORM SYSTEMS WILL CONTINUE TO IMPACT NORTHERN
CALIFORNIA THROUGH MID-WEEK. COLDER AIR WILL MOVE INTO THE REGION
TODAY WITH SNOW LEVELS LOWERING BACK BELOW PASS LEVELS. SNOW WILL
CONTINUE INTO EARLY THURSDAY. SEVERAL FEET OF SNOW WILL BE 
POSSIBLE ALONG THE MIDDLE AND UPPER SLOPES OF THE SIERRA AND 
LASSEN PARK IN THIS TIMEFRAME. SNOW MAY ALSO IMPACT TRAVEL OVER 
THE NORTHERN COASTAL RANGE AND MOUNTAINS OF SHASTA COUNTY.

CAZ068-069-100000-
/O.EXT.KSTO.WS.W.0002.170109T1200Z-170112T1800Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITIES OF CHESTER, QUINCY, AND BLUE CANYON
330 AM PST MON JAN 9 2017

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM PST THURSDAY...

* MAIN IMPACTS: HAZARDOUS TRAVEL IS EXPECTED WITH SLICK ROADS 
  AND LOW VISIBILITIES. LONG TRAVEL DELAYS ARE POSSIBLE DUE TO 
  TRAFFIC ACCIDENTS AND SNOW REMOVAL. CHAIN CONTROLS ARE LIKELY, 
  AND ROAD CLOSURES ARE POSSIBLE. 

* CONFIDENCE...HIGH.

* TIMING...SNOW LEVELS WILL DROP BELOW MAJOR NORTHERN SIERRA
  PASSES EARLY THIS MORNING. PERIODS OF HEAVY SNOW WILL BE
  POSSIBLE BY THIS EVENING CONTINUING INTO EARLY THURSDAY.

* LOCATIONS...LASSEN PARK, INTERSTATE 80 OVER DONNER PASS, 
  HIGHWAY 50 OVER ECHO SUMMIT, HIGHWAY 88 OVER CARSON PASS. 

* SNOW ACCUMULATIONS...5 TO 10 INCHES TODAY. 5 TO 7 FEET ALONG THE
  CREST WITH 2 TO 3 FEET DOWN TO 4500 FEET ELEVATION BY EARLY
  THURSDAY.

* OTHER IMPACTS...GUSTY WINDS WITH HEAVY SNOW WILL COMBINE TO 
  BRING POOR VISIBILITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN 
EMERGENCY. IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

CAZ013-063-100000-
/O.CON.KSTO.WW.Y.0003.170109T1200Z-170111T0000Z/
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO NORTHERN LAKE COUNTY-
INCLUDING THE CITIES OF SHASTA DAM AND ALDER SPRINGS
330 AM PST MON JAN 9 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
TUESDAY...

* MAIN IMPACT: HAZARDOUS WINTER TRAVEL WITH REDUCED 
  VISIBILITIES, CHAIN CONTROLS, AND TRAVEL DELAYS. 

* TIMING...MODERATE SNOW AT TIMES ABOVE 3500 FEET. SNOW LEVELS AS
  LOW AS 3000 FEET TONIGHT 

* LOCATIONS...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE.

* SNOW ACCUMULATIONS...SNOW ACCUMULATIONS 6 TO 12 INCHES ABOVE
  4000 FEET WITH 2 TO 4 FEET ACROSS THE HIGHER PEAKS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
951 
WWUS46 KSTO 092205
WSWSTO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
205 PM PST MON JAN 9 2017

...PERIODS OF HEAVY SNOW EXPECTED INTO THURSDAY...

.ANOTHER WET PACIFIC STORM WILL IMPACT THE MOUNTAINS OF INTERIOR 
NORTHERN CALIFORNIA BEGINNING LATER TONIGHT INTO TUESDAY. HEAVY 
SNOW EXPECTED IN THE SIERRA NEVADA AND MOUNTAINS OF WESTERN 
PLUMAS TUESDAY THROUGH WEDNESDAY MORNING. PERIODS OF LIGHT TO
MODERATE SNOW LIKELY TO CONTINUE WEDNESDAY INTO EARLY THURSDAY. 
SEVERAL FEET OF NEW SNOW LIKELY AT PASS LEVELS DURING THIS PERIOD
WHICH COMBINED WITH STRONG WIND WILL MAKE MOUNTAIN TRAVEL 
EXTREMELY HAZARDOUS. DRIER WEATHER FORECAST FRIDAY INTO THE 
WEEKEND.

CAZ068-069-101200-
/O.CON.KSTO.WS.W.0002.000000T0000Z-170112T1800Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITIES OF CHESTER, QUINCY, AND BLUE CANYON
205 PM PST MON JAN 9 2017

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

* MAIN IMPACTS: HAZARDOUS TRAVEL IS EXPECTED WITH SLICK ROADS,
  STRONG GUSTY WIND, AND LOW VISIBILITIES. LONG TRAVEL DELAYS ARE
  POSSIBLE DUE TO TRAFFIC ACCIDENTS AND SNOW REMOVAL. CHAIN
  CONTROLS ARE LIKELY, AND ROAD CLOSURES ARE POSSIBLE. 

* CONFIDENCE...HIGH.

* TIMING...SNOW LEVELS EXPECTED TO GENERALLY BE AROUND 4500 TO
  6000 FEET TUESDAY INTO WEDNESDAY...LOWERING WEDNESDAY NIGHT TO
  AROUND 2500 FEET BY THURSDAY MORNING. WIDESPREAD SNOW DEVELOPING 
  OVERNIGHT WITH THE HEAVIEST SNOW TUESDAY INTO TUESDAY NIGHT. 
  PERIODS OF LIGHT TO MODERATE SNOW WEDNESDAY INTO THURSDAY.

* LOCATIONS...LASSEN PARK, INTERSTATE 80 OVER DONNER PASS, 
  HIGHWAY 50 OVER ECHO SUMMIT, HIGHWAY 88 OVER CARSON PASS. 

* SNOW ACCUMULATIONS...2 TO 3 FEET DOWN TO 4500 FOOT ELEVATION BY 
  EARLY THURSDAY WITH 3 TO 7 FEET OVER HIGHER TERRAIN. 

* OTHER IMPACTS...SOUTH TO SOUTHWEST WIND GUSTS OVER 50 MPH
  COMBINED WITH HEAVY SNOW WILL PRODUCE WHITEOUT CONDITIONS OVER
  HIGHER TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS MEANS 
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. 
SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS ARE FORECAST THAT 
WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU 
MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR 
VEHICLE IN CASE OF AN EMERGENCY.

&&

INTERACT WITH US VIA SOCIAL MEDIA WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

CAZ013-063-101200-
/O.CON.KSTO.WW.Y.0003.000000T0000Z-170111T0000Z/
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO NORTHERN LAKE COUNTY-
INCLUDING THE CITIES OF SHASTA DAM AND ALDER SPRINGS
205 PM PST MON JAN 9 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
TUESDAY...

* MAIN IMPACT: HAZARDOUS WINTER TRAVEL WITH REDUCED 
  VISIBILITIES, CHAIN CONTROLS, AND TRAVEL DELAYS. 

* TIMING...MODERATE SNOW AT TIMES ABOVE 3500 FEET. SNOW LEVELS
  LOCALLY DOWN AROUND 3000 FEET IN THE SHASTA MOUNTAINS TONIGHT
  OTHERWISE 3500 TO 4000 FEET RISING ABOVE 5500 FEET TUESDAY
  AFTERNOON.

* LOCATIONS...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE.

* SNOW ACCUMULATIONS...SNOW ACCUMULATIONS UP TO 11 INCHES ABOVE
  4000 FEET WITH 1 TO 3 FEET ACROSS THE HIGHER PEAKS. 

* OTHER IMPACTS...SOUTHWEST WIND GUSTS OVER 40 MPH REDUCING
  VISIBILITIES AND IMPACTING TRAVEL.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE
DRIVING.

&&

INTERACT WITH US VIA SOCIAL MEDIA WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
520 
WWUS46 KSTO 101135
WSWSTO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
335 AM PST TUE JAN 10 2017

...PERIODS OF HEAVY SNOW INTO THURSDAY...

.ANOTHER STORM WILL IMPACT THE MOUNTAINS OF INTERIOR NORTHERN 
CALIFORNIA INTO THURSDAY. HEAVY SNOW WILL CONTINUE ACROSS THE
NORTHERN SIERRA NEVADA AND MOUNTAINS OF WESTERN PLUMAS INTO MIDDAY
WEDNESDAY. PERIODS OF LIGHT TO MODERATE SNOW ARE THEN LIKELY TO 
CONTINUE INTO THURSDAY. SEVERAL FEET OF NEW SNOW LIKELY ABOVE 5000
FEET DURING THIS PERIOD WHICH COMBINED WITH STRONG WIND WILL MAKE
MOUNTAIN TRAVEL EXTREMELY HAZARDOUS.

CAZ069-110000-
/O.UPG.KSTO.WS.W.0002.000000T0000Z-170112T1800Z/
/O.NEW.KSTO.BZ.W.0001.170110T1135Z-170111T2000Z/
/O.NEW.KSTO.WS.W.0003.170111T2000Z-170112T1800Z/
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
335 AM PST TUE JAN 10 2017

...BLIZZARD WARNING IN EFFECT UNTIL NOON PST WEDNESDAY...
...WINTER STORM WARNING IN EFFECT FROM NOON WEDNESDAY TO 10 AM
PST THURSDAY...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A BLIZZARD
WARNING, WHICH IS IN EFFECT UNTIL NOON PST WEDNESDAY. A WINTER
STORM WARNING HAS ALSO BEEN ISSUED. THIS WINTER STORM WARNING FOR
HEAVY SNOW AND STRONG WINDS IS IN EFFECT FROM NOON WEDNESDAY TO 
10 AM PST THURSDAY.

* MAIN IMPACTS: HAZARDOUS TRAVEL IS EXPECTED WITH SLICK ROADS,
  STRONG GUSTY WIND, AND LOW VISIBILITIES. LONG TRAVEL DELAYS ARE
  POSSIBLE DUE TO TRAFFIC ACCIDENTS AND SNOW REMOVAL. ROAD
  CLOSURES ARE LIKELY. 

* CONFIDENCE...HIGH.

* TIMING...SNOW LEVELS 4000 TO 5000 FEET. HEAVY SNOW NOW THROUGH
  EARLY WEDNESDAY WITH SNOWFALL RATES OF 2 INCHES OR MORE PER HOUR
  AT TIMES.

* LOCATIONS...INTERSTATE 80 OVER DONNER PASS, HIGHWAY 50 OVER ECHO
  SUMMIT, HIGHWAY 88 OVER CARSON PASS. 

* WINDS/VISIBILITY...ZERO VISIBILITY WITH HEAVY SNOW AND BLOWING
  SNOW. GUSTY SOUTHWEST WINDS 20 TO 40 MPH. GUSTS OF 60 MPH OR
  HIGHER POSSIBLE THROUGH THE PASSES.

* SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 3 FEET DOWN TO 4500 FOOT
  ELEVATION BY EARLY THURSDAY WITH 3 TO 6 FEET OVER HIGHER
  TERRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING.
FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES 
ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS, MAKING TRAVEL 
EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL, HAVE A 
WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED, STAY WITH YOUR 
VEHICLE.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

&&

$$

CAZ068-110000-
/O.CON.KSTO.WS.W.0002.000000T0000Z-170112T1800Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
335 AM PST TUE JAN 10 2017

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

* MAIN IMPACTS: HAZARDOUS TRAVEL IS EXPECTED WITH SLICK ROADS, 
  STRONG GUSTY WIND, AND LOW VISIBILITIES. LONG TRAVEL DELAYS 
  ARE POSSIBLE DUE TO TRAFFIC ACCIDENTS AND SNOW REMOVAL. CHAIN 
  CONTROLS ARE LIKELY, AND ROAD CLOSURES ARE POSSIBLE. 

* CONFIDENCE...HIGH.

* TIMING...HEAVY SNOW CONTINUES INTO WEDNESDAY. SNOW LEVELS 4000
  TO 5000 FEET INTO WEDNESDAY...LOWERING WEDNESDAY NIGHT TO AROUND
  2500 FEET BY THURSDAY MORNING. PERIODS OF LIGHT TO MODERATE SNOW
  WEDNESDAY INTO THURSDAY. 

* LOCATIONS...LASSEN PARK. 

* SNOW ACCUMULATIONS...2 TO 3 FEET DOWN TO 4500 FOOT ELEVATION 
  BY EARLY THURSDAY WITH 3 TO 6 FEET OVER HIGHER TERRAIN. 

* OTHER IMPACTS...SOUTH TO SOUTHWEST WIND GUSTS OVER 50 MPH 
  COMBINED WITH HEAVY SNOW WILL PRODUCE WHITEOUT CONDITIONS OVER 
  HIGHER TERRAIN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS ARE FORECAST THAT
WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU
MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

CAZ013-063-110000-
/O.CON.KSTO.WW.Y.0003.000000T0000Z-170111T0000Z/
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO NORTHERN LAKE COUNTY-
INCLUDING THE CITIES OF SHASTA DAM AND ALDER SPRINGS
335 AM PST TUE JAN 10 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* MAIN IMPACT: HAZARDOUS WINTER TRAVEL WITH REDUCED 
  VISIBILITIES, CHAIN CONTROLS, AND TRAVEL DELAYS. 

* TIMING...MODERATE SNOW AT TIMES ABOVE 3500 FEET. SNOW LEVELS
  3500 TO 4500 FEET. 

* LOCATIONS...SHASTA COUNTY MOUNTAINS AND COASTAL RANGE.

* SNOW ACCUMULATIONS...SNOW ACCUMULATIONS 3 TO 6 INCHES WITH 1 TO
  2 FEET ACROSS THE HIGHER PEAKS.

* OTHER IMPACTS...SOUTHWEST WIND GUSTS OVER 40 MPH REDUCING 
  VISIBILITIES AND IMPACTING TRAVEL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITIES, AND USE CAUTION WHILE DRIVING.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
512 
WWUS46 KSTO 102305
WSWSTO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
305 PM PST TUE JAN 10 2017

...PERIODS OF HEAVY SNOW INTO THURSDAY...

.HEAVY SNOW AND STRONG WIND WILL CONTINUE ACROSS THE NORTHERN 
SIERRA NEVADA AND MOUNTAINS OF WESTERN PLUMAS TONIGHT INTO 
WEDNESDAY MORNING. EXTREMELY HAZARDOUS MOUNTAIN TRAVEL CAN BE 
EXPECTED OVERNIGHT. PERIODS OF LIGHT TO MODERATE SNOW ARE THEN 
LIKELY TO CONTINUE WEDNESDAY INTO THURSDAY. SEVERAL FEET OF NEW 
SNOW EXPECTED ABOVE 4500 FEET THROUGH THURSDAY.


CAZ013-063-110015-
/O.CAN.KSTO.WW.Y.0003.000000T0000Z-170111T0000Z/
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO NORTHERN LAKE COUNTY-
INCLUDING THE CITIES OF SHASTA DAM AND ALDER SPRINGS
305 PM PST TUE JAN 10 2017

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS CANCELLED THE
WINTER WEATHER ADVISORY. SNOW LEVELS HAVE RISEN ABOVE THE PASSES 
THIS AFTERNOON WITH MAINLY RAIN EXPECTED TONIGHT. SNOW LEVELS 
LOWER TO AROUND 4500 FEET TOWARDS WEDNESDAY MORNING, BUT LIGHTER 
SHOWERS EXPECTED BY THAT TIME.

$$

CAZ069-111200-
/O.CON.KSTO.BZ.W.0001.000000T0000Z-170111T2000Z/
/O.CON.KSTO.WS.W.0003.170111T2000Z-170112T1800Z/
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
305 PM PST TUE JAN 10 2017

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON PST WEDNESDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON WEDNESDAY TO
10 AM PST THURSDAY...

* MAIN IMPACTS: HAZARDOUS TRAVEL WITH SLICK ROADS, STRONG GUSTY
  WIND, AND LOW VISIBILITIES WILL OCCUR. LONG TRAVEL DELAYS ARE
  POSSIBLE DUE TO TRAFFIC ACCIDENTS AND SNOW REMOVAL. ROAD
  CLOSURES CAN BE EXPECTED AT TIMES.

* CONFIDENCE...HIGH.

* TIMING...SNOW LEVELS 4500 TO 5500 FEET TONIGHT LOWERING
  WEDNESDAY TO AROUND 3000 FEET BY THURSDAY MORNING. HEAVY SNOW
  NOW THROUGH EARLY WEDNESDAY WITH SNOWFALL RATES OF 2 INCHES OR
  MORE PER HOUR AT TIMES. 

* LOCATIONS...INTERSTATE 80 OVER DONNER PASS, HIGHWAY 50 OVER 
  ECHO SUMMIT, HIGHWAY 88 OVER CARSON PASS. 

* WINDS/VISIBILITY...ZERO VISIBILITY WITH HEAVY SNOW AND BLOWING 
  SNOW. GUSTY SOUTHWEST WINDS 20 TO 40 MPH. GUSTS OF 70 MPH OR 
  HIGHER POSSIBLE THROUGH THE PASSES. 

* SNOW ACCUMULATIONS...ADDITIONAL 2 TO 3 FEET DOWN TO 5000 FEET
  ELEVATION BY EARLY THURSDAY WITH 3 TO 6 FEET OVER HIGHER TERRAIN.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR
VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS,
MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST
TRAVEL, HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED,
STAY WITH YOUR VEHICLE.

&&

INTERACT WITH US VIA SOCIAL MEDIA WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

&&

$$

CAZ068-111200-
/O.CON.KSTO.WS.W.0002.000000T0000Z-170112T1800Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
305 PM PST TUE JAN 10 2017

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

* MAIN IMPACTS: HAZARDOUS TRAVEL IS EXPECTED WITH SLICK ROADS, 
  STRONG GUSTY WIND, AND LOW VISIBILITIES. LONG TRAVEL DELAYS 
  ARE POSSIBLE DUE TO TRAFFIC ACCIDENTS AND SNOW REMOVAL. CHAIN 
  CONTROLS ARE LIKELY, AND ROAD CLOSURES ARE POSSIBLE. 

* CONFIDENCE...HIGH.

* TIMING...HEAVY SNOW CONTINUES INTO WEDNESDAY. SNOW LEVELS 4000
  TO 5000 FEET INTO WEDNESDAY...LOWERING WEDNESDAY NIGHT TO AROUND
  2500 FEET BY THURSDAY MORNING. PERIODS OF LIGHT TO MODERATE SNOW
  WEDNESDAY INTO THURSDAY. 

* LOCATIONS...LASSEN PARK.

* SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 1 TO 2 FEET 
  DOWN TO 4500 FOOT ELEVATION BY EARLY THURSDAY WITH 2 TO 4 FEET
  OVER HIGHER TERRAIN. 

* OTHER IMPACTS...SOUTH TO SOUTHWEST WIND GUSTS OVER 60 MPH 
  COMBINED WITH HEAVY SNOW WILL PRODUCE WHITEOUT CONDITIONS OVER 
  HIGHER TERRAIN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS ARE FORECAST THAT
WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU
MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

INTERACT WITH US VIA SOCIAL MEDIA WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
160 
WWUS46 KSTO 102307 CCA
WSWSTO

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE SACRAMENTO CA
307 PM PST TUE JAN 10 2017

...PERIODS OF HEAVY SNOW INTO THURSDAY...

.HEAVY SNOW AND STRONG WIND WILL CONTINUE ACROSS THE NORTHERN 
SIERRA NEVADA AND MOUNTAINS OF WESTERN PLUMAS TONIGHT INTO 
WEDNESDAY MORNING. EXTREMELY HAZARDOUS MOUNTAIN TRAVEL CAN BE 
EXPECTED OVERNIGHT. PERIODS OF LIGHT TO MODERATE SNOW ARE THEN 
LIKELY TO CONTINUE WEDNESDAY INTO THURSDAY. SEVERAL FEET OF NEW 
SNOW EXPECTED ABOVE 4500 FEET THROUGH THURSDAY.


CAZ013-063-110015-
/O.COR.KSTO.WW.Y.0003.000000T0000Z-170111T0000Z/
SHASTA LAKE AREA / NORTHERN SHASTA COUNTY-
MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO NORTHERN LAKE COUNTY-
INCLUDING THE CITIES OF SHASTA DAM AND ALDER SPRINGS
307 PM PST TUE JAN 10 2017

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS CANCELLED THE
WINTER WEATHER ADVISORY. SNOW LEVELS HAVE RISEN ABOVE THE PASSES 
THIS AFTERNOON WITH MAINLY RAIN EXPECTED TONIGHT. SNOW LEVELS 
LOWER TO A0ROUND 4000 FEET TOWARDS WEDNESDAY MORNING, BUT LIGHTER
SHOWERS EXPECTED BY THAT TIME.

$$

CAZ069-111200-
/O.CON.KSTO.BZ.W.0001.000000T0000Z-170111T2000Z/
/O.CON.KSTO.WS.W.0003.170111T2000Z-170112T1800Z/
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
307 PM PST TUE JAN 10 2017

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON PST WEDNESDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON WEDNESDAY TO
10 AM PST THURSDAY...

* MAIN IMPACTS: HAZARDOUS TRAVEL WITH SLICK ROADS, STRONG GUSTY
  WIND, AND LOW VISIBILITIES WILL OCCUR. LONG TRAVEL DELAYS ARE
  POSSIBLE DUE TO TRAFFIC ACCIDENTS AND SNOW REMOVAL. ROAD
  CLOSURES CAN BE EXPECTED AT TIMES.

* CONFIDENCE...HIGH.

* TIMING...SNOW LEVELS 4500 TO 5500 FEET TONIGHT LOWERING
  WEDNESDAY TO AROUND 3000 FEET BY THURSDAY MORNING. HEAVY SNOW
  NOW THROUGH EARLY WEDNESDAY WITH SNOWFALL RATES OF 2 INCHES OR
  MORE PER HOUR AT TIMES. 

* LOCATIONS...INTERSTATE 80 OVER DONNER PASS, HIGHWAY 50 OVER 
  ECHO SUMMIT, HIGHWAY 88 OVER CARSON PASS. 

* WINDS/VISIBILITY...ZERO VISIBILITY WITH HEAVY SNOW AND BLOWING 
  SNOW. GUSTY SOUTHWEST WINDS 20 TO 40 MPH. GUSTS OF 70 MPH OR 
  HIGHER POSSIBLE THROUGH THE PASSES. 

* SNOW ACCUMULATIONS...ADDITIONAL 2 TO 3 FEET DOWN TO 5000 FEET
  ELEVATION BY EARLY THURSDAY WITH 3 TO 6 FEET OVER HIGHER TERRAIN.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR
VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS,
MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST
TRAVEL, HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED,
STAY WITH YOUR VEHICLE.

&&

INTERACT WITH US VIA SOCIAL MEDIA WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

&&

$$

CAZ068-111200-
/O.CON.KSTO.WS.W.0002.000000T0000Z-170112T1800Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
307 PM PST TUE JAN 10 2017

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

* MAIN IMPACTS: HAZARDOUS TRAVEL IS EXPECTED WITH SLICK ROADS, 
  STRONG GUSTY WIND, AND LOW VISIBILITIES. LONG TRAVEL DELAYS 
  ARE POSSIBLE DUE TO TRAFFIC ACCIDENTS AND SNOW REMOVAL. CHAIN 
  CONTROLS ARE LIKELY, AND ROAD CLOSURES ARE POSSIBLE. 

* CONFIDENCE...HIGH.

* TIMING...HEAVY SNOW CONTINUES INTO WEDNESDAY. SNOW LEVELS 4000
  TO 5000 FEET INTO WEDNESDAY...LOWERING WEDNESDAY NIGHT TO AROUND
  2500 FEET BY THURSDAY MORNING. PERIODS OF LIGHT TO MODERATE SNOW
  WEDNESDAY INTO THURSDAY. 

* LOCATIONS...LASSEN PARK.

* SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 1 TO 2 FEET 
  DOWN TO 4500 FOOT ELEVATION BY EARLY THURSDAY WITH 2 TO 4 FEET
  OVER HIGHER TERRAIN. 

* OTHER IMPACTS...SOUTH TO SOUTHWEST WIND GUSTS OVER 60 MPH 
  COMBINED WITH HEAVY SNOW WILL PRODUCE WHITEOUT CONDITIONS OVER 
  HIGHER TERRAIN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS ARE FORECAST THAT
WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU
MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

INTERACT WITH US VIA SOCIAL MEDIA WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
468 
WWUS46 KSTO 111132
WSWSTO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
332 AM PST WED JAN 11 2017

...PERIODS OF SNOW INTO THURSDAY...

.SNOW AND STRONG GUSTY WINDS WILL CONTINUE ACROSS THE NORTHERN 
SIERRA NEVADA AND MOUNTAINS OF WESTERN PLUMAS THIS MORNING. 
EXTREMELY HAZARDOUS MOUNTAIN TRAVEL CAN BE EXPECTED. PERIODS OF 
LIGHT TO MODERATE SNOW ARE THEN LIKELY TO CONTINUE INTO THURSDAY
WITH AN ADDITIONAL 12 TO 18 INCHES OF SNOWFALL POSSIBLE ACROSS THE
HIGHER ELEVATIONS.

CAZ069-120000-
/O.CON.KSTO.BZ.W.0001.000000T0000Z-170111T2000Z/
/O.CON.KSTO.WS.W.0003.170111T2000Z-170112T1800Z/
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
332 AM PST WED JAN 11 2017

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON PST TODAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO
10 AM PST THURSDAY...

* MAIN IMPACTS: VERY HAZARDOUS TRAVEL WITH SLICK ROADS, STRONG
  GUSTY WIND AND LOW VISIBILITY. LONG TRAVEL DELAYS WITH ROAD
  CLOSURES.

* CONFIDENCE...HIGH.

* TIMING...SNOW GRADUALLY TAPERING TO SHOWERS TODAY. SNOW LEVELS
  3500 TO 4500 FEET LOWERING TO BELOW 3000 FEET TONIGHT.

* LOCATIONS...INTERSTATE 80 OVER DONNER PASS, HIGHWAY 50 OVER 
  ECHO SUMMIT, HIGHWAY 88 OVER CARSON PASS. 

* WINDS/VISIBILITY...LOW VISIBILITY WITH SNOW AND BLOWING SNOW.
  GUSTY SOUTHWEST WINDS 20 TO 40 MPH THROUGH THE PASSES. 

* SNOW ACCUMULATIONS...ADDITIONAL 3 TO 6 INCHES DOWN TO 4000 FEET
  WITH 12 TO 18 INCHES ACROSS THE HIGHER ELEVATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR
VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS,
MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST
TRAVEL, HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED,
STAY WITH YOUR VEHICLE.

&&

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

CAZ068-120000-
/O.CON.KSTO.WS.W.0002.000000T0000Z-170112T1800Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
332 AM PST WED JAN 11 2017

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

* MAIN IMPACTS: HAZARDOUS TRAVEL IS EXPECTED WITH SLICK ROADS,
  STRONG GUSTY WIND AND LOW VISIBILITY. LONG TRAVEL DELAYS ARE
  POSSIBLE. 

* CONFIDENCE...HIGH.

* TIMING...SNOW CONTINUES TODAY WITH SHOWERS TAPERING OFF
  THURSDAY. SNOW LEVELS 3000 TO 4000 FEET TODAY LOWERING TO BELOW
  3000 FEET TONIGHT.

* LOCATIONS...LASSEN PARK.

* SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES
  IN THE VALLEYS WITH 6 TO 12 INCHES OVER THE PEAKS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. 
SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS ARE FORECAST THAT 
WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU 
MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR 
VEHICLE IN CASE OF AN EMERGENCY.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
967 
WWUS46 KSTO 111952
WSWSTO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1152 AM PST WED JAN 11 2017

...PERIODS OF SNOW INTO THURSDAY...

.SNOW AND STRONG GUSTY WINDS WILL CONTINUE ACROSS THE NORTHERN
SIERRA NEVADA AND MOUNTAINS OF WESTERN PLUMAS THIS MORNING.
EXTREMELY HAZARDOUS MOUNTAIN TRAVEL CAN BE EXPECTED. PERIODS OF
LIGHT TO MODERATE SNOW ARE THEN LIKELY TO CONTINUE INTO THURSDAY. 
ADDITIONAL ACCUMULATIONS FROM 12 TO 18 INCHES ARE POSSIBLE ACROSS
THE HIGHER ELEVATIONS TODAY THROUGH THURSDAY.

CAZ069-121400-
/O.EXP.KSTO.BZ.W.0001.000000T0000Z-170111T2000Z/
/O.EXT.KSTO.WS.W.0003.170111T2000Z-170113T0000Z/
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
1152 AM PST WED JAN 11 2017

...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 PM PST THURSDAY...
...BLIZZARD WARNING WILL EXPIRE AT NOON PST TODAY...

* MAIN IMPACTS: VERY HAZARDOUS TRAVEL WITH SLICK ROADS, STRONG  
GUSTY WIND AND LOW VISIBILITY. LONG TRAVEL DELAYS WITH ROAD  
CLOSURES.

* TIMING...SNOW GRADUALLY TAPERING TO SHOWERS TODAY. SNOW LEVELS 
  3500 TO 4500 FEET LOWERING TO BELOW 3000 FEET TONIGHT. 

* LOCATIONS...INTERSTATE 80 OVER DONNER PASS, HIGHWAY 50 OVER 
  ECHO SUMMIT, HIGHWAY 88 OVER CARSON PASS. 

* SNOW ACCUMULATIONS...ADDITIONAL 3 TO 6 INCHES DOWN TO 4000 FEET
  WITH 12 TO 18 INCHES ACROSS THE HIGHER ELEVATIONS TODAY THROUGH
  THURSDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD,
AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

&&

INTERACT WITH US VIA SOCIAL MEDIA WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

&&

$$

CAZ068-121400-
/O.CON.KSTO.WS.W.0002.000000T0000Z-170112T1800Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
1152 AM PST WED JAN 11 2017

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

* MAIN IMPACTS: HAZARDOUS TRAVEL IS EXPECTED WITH SLICK ROADS, 
  STRONG GUSTY WIND AND LOW VISIBILITY. LONG TRAVEL DELAYS ARE 
  POSSIBLE. 

* TIMING...SNOW CONTINUES TODAY WITH SHOWERS TAPERING OFF 
  THURSDAY. SNOW LEVELS 3000 TO 4000 FEET TODAY LOWERING TO 
  BELOW 3000 FEET TONIGHT. 

* LOCATIONS...LASSEN PARK.

* SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES 
  IN THE VALLEYS WITH 6 TO 12 INCHES OVER THE PEAKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS MEANS
SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING.
SIGNIFICANT AMOUNTS OF SNOW AND STRONG WINDS ARE FORECAST THAT
WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU
MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

INTERACT WITH US VIA SOCIAL MEDIA WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
631 
WWUS46 KSTO 121313
WSWSTO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
513 AM PST THU JAN 12 2017

...SCATTERED SNOW SHOWERS CONTINUING TODAY...

.SCATTERED SHOWERS WILL CONTINUE OVER THE SIERRA CASCADE RANGE
THIS MORNING. A FEW TO SEVERAL INCHES OF ADDITIONAL SNOWFALL CAN
BE EXPECTED OVER THE SIERRA SOUTH OF INTERSTATE 80 WITH AN INCH OR
TWO NORTH. SNOW SHOWERS WILL END NORTH OF 80 LATER THIS MORNING 
AND DWINDLE DOWN TO VERY LIGHT OVER THE NORTHERN SIERRA BY THIS
EVENING. 

CAZ068-121800-
/O.CON.KSTO.WS.W.0002.000000T0000Z-170112T1800Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
513 AM PST THU JAN 12 2017

...WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 10
AM PST THIS MORNING...

* MAIN IMPACTS: HAZARDOUS TRAVEL IS EXPECTED WITH SLICK ROADS, AND
  CHAIN CONTROLS.

* TIMING...SNOW SHOWERS CONTINUING THROUGH THIS MORNING WITH SNOW
  LEVELS AROUND 3000 FEET. SHOWERS ENDING THIS AFTERNOON.

* LOCATIONS...LASSEN PARK.

* SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 1 TO 2 INCHES
  THIS MORNING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. IF YOU MUST TRAVEL, KEEP AN
EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR VEHICLE IN CASE OF AN 
EMERGENCY OR LONG DELAYS.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

CAZ069-130000-
/O.CON.KSTO.WS.W.0003.000000T0000Z-170113T0000Z/
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
513 AM PST THU JAN 12 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* MAIN IMPACTS: VERY HAZARDOUS TRAVEL WITH SLICK ROADS, LONG
  TRAVEL DELAYS WITH CHAIN CONTROLS. 

* TIMING...SNOW GRADUALLY TAPERING TO SHOWERS TODAY. SNOW LEVELS
  AROUND 3000 FEET. 

* LOCATIONS...INTERSTATE 80 OVER DONNER PASS, HIGHWAY 50 OVER 
  ECHO SUMMIT, HIGHWAY 88 OVER CARSON PASS. 

* SNOW ACCUMULATIONS...ADDITIONAL 4 TO 8 INCHES DOWN TO 3000 FEET
  TODAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. IF YOU MUST TRAVEL, KEEP AN
EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR VEHICLE IN CASE OF AN 
EMERGENCY OR LONG DELAYS.

&&

INTERACT WITH US VIA SOCIAL MEDIA
WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$
300 
WWUS46 KSTO 121820
WSWSTO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1020 AM PST THU JAN 12 2017

...SNOW SHOWERS CONTINUING TODAY...

.SNOW SHOWERS WILL TAPER OFF OVER THE SIERRA AND SOUTHERN CASCADE
RANGE THROUGH THE AFTERNOON, BUT WILL CONTINUE OVER AREAS SOUTH 
OF INTERSTATE 80. ADDITIONAL ACCUMULATIONS WILL OCCUR ALONG AND
SOUTH OF THE INTERSTATE 80 CORRIDOR. 

CAZ068-121930-
/O.EXP.KSTO.WS.W.0002.000000T0000Z-170112T1800Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
INCLUDING THE CITIES OF CHESTER AND QUINCY
1020 AM PST THU JAN 12 2017

...WINTER STORM WARNING HAS EXPIRED...

SNOW SHOWERS HAVE DECREASED IN AREAL COVERAGE AND INTENSITY. ANY
ADDITIONAL SNOW ACCUMULATIONS WILL BE LIGHT. 

$$

CAZ069-130000-
/O.CON.KSTO.WS.W.0003.000000T0000Z-170113T0000Z/
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITY OF BLUE CANYON
1020 AM PST THU JAN 12 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* MAIN IMPACTS: VERY HAZARDOUS TRAVEL WITH SLICK ROADS, LONG 
  TRAVEL DELAYS WITH CHAIN CONTROLS. 

* TIMING...SNOW GRADUALLY TAPERING TO SHOWERS TODAY. SNOW LEVELS 
  AROUND 3000 FEET. 

* LOCATIONS...INTERSTATE 80 OVER DONNER PASS, HIGHWAY 50 OVER 
  ECHO SUMMIT, HIGHWAY 88 OVER CARSON PASS. 

* TOTAL NEW SNOW ACCUMULATIONS TODAY...4 TO 8 INCHES DOWN TO 3000
  FEET TODAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. IF YOU MUST TRAVEL, KEEP AN
EXTRA FLASHLIGHT, FOOD, AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY OR LONG DELAYS.

&&

INTERACT WITH US VIA SOCIAL MEDIA WWW.FACEBOOK.COM/NWS.SACRAMENTO
WWW.TWITTER.COM/NWSSACRAMENTO

$$

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sacramento, CA wrote its last area forecast discussion before this winter storm warning went out at Jan 8, 11:21 AM PST, 4 hours 2 minutes earlier.

Area forecast discussion, Jan 8, 11:21 AM PST, 4 hours 2 minutes before
Area Forecast Discussion
National Weather Service Sacramento CA
1121 AM PST Sun Jan 8 2017

.Synopsis...
Heavy rain, gusty winds, and flooding concerns today. Flooding
concerns continue Monday into Wednesday with very heavy mountain
snow expected. Another weather system possible Thursday.

&&

.Discussion...
Moderate to heavy precipitation has spread across most of the area
this morning, except for southern portions of the northern San
Joaquin Valley. A few isolated thunderstorms have developed in the
Motherlode and have added these to the forecast.

There have been reports of minor flooding, trees down, and local
power outages associated with this storm, mainly in the Mother
Lode area. Voluntary evacuations continue on Yuba River near
Simpson Lane, and along the Cosumnes River by Wilton.

The main band of precipitation will gradually track southward
through the afternoon with heavier rain rates expected. The
Valley will see generally decreased precipitation by this
evening, though some thunderstorms may develop behind the main
band. Heavy precipitation will continue in the mountains
overnight, gradually decreasing in intensity.

Winds have also steadily been ramping up this morning across the
Valley, 20-25 mph with gusts up to 30 to 45 mph being reported.
Trees have been reported down, with some power outages, especially
in the Motherlode. Winds may pick up in the early afternoon,
before decreasing late in the afternoon.

Main concern shifts to heavy snow on Monday as snow levels lower
below pass levels in the morning, below 5000 feet by afternoon. Snow
amounts of 3 to 5 feet are possible in the Sierra, potentially
more. Major impacts to travel are expected, and will likely
upgrade the Winter Storm Watch to a Warning.
&&
.EXTENDED DISCUSSION (Thursday THROUGH Sunday)

Large level in uncertainty in the extended forecast as models
continue to struggle. Looks like wet pattern extends at least into
Thursday with GFS and ECMWF showing some level of troughing over
the west while GEM shows overrunning precip ahead of a more
offshore trough solution. High chance pops seem appropriate at
this time with moderate snow levels. Forecasting wind direction
nearly impossible with all models showing different scenarios but
at least strong winds are not indicated. GFS and ECMWF show drying
on Friday under upper ridge but GEM keeps things quite moist
bringing a moderately moist system across the coast. Have left in
chance pops for now but could see a change to a drier solution if
model solutions become more consistent. Models actually become a
little more consistent with each other going in to next weekend
showing a fairly flat ridge over the west and overrunning
precipitation moving into the region at least by the end of the
day Saturday. Again, have kept chance pops in for now but details
still fuzzy. GFS and ECMWF agree on continued break down of any
ridge by next Sunday so at least chance pops will remain in the
forecast for second half of next weekend.
Not much change in the extended forecast. Wednesday continues to
look wet as that is part of the second wet storm expected to hit
NorCal on Tuesday-Wednesday with snow levels below passes at
approximately 4000-5000 feet. The models continue to struggle on
how the wet pattern will look between Thursday through Saturday.
At this point, it looks like Thursday will at least see some
scattered showers (GFS), but it could be more widespread (ECMWF).
Both models are showing a break Friday with an additional storm
arriving either early Saturday (GFS) or late Saturday (ECMWF).
Chance pops continue to be best bet at this time. Snow levels
remain moderate through the extended period. JBB

&&

&&

.AVIATION...

MVFR/IFR ceilings and visibilities are expected next 24 hours as
another system moves onshore. Moderate to heavy rain at times. Strong
south winds 20 to 30 gusts to 40 mph south of Sacramento
spreading northward over much of area by mid morning. Gusts over
50 mph over Sierra. Winds decreasing in the valley after about
03z. Heaviest precipitation moving into Sierra after 06z.
&&

.STO WATCHES/WARNINGS/ADVISORIES...
Flood Watch through Wednesday afternoon for Burney Basin /
Eastern Shasta County-Carquinez Strait and Delta-Central
Sacramento Valley-Clear Lake/Southern Lake County-Motherlode-
Mountains Southwestern Shasta County to Northern Lake County-
Northeast Foothills/Sacramento Valley-Northern Sacramento Valley-
Northern San Joaquin Valley-Shasta Lake Area / Northern Shasta
County-Southern Sacramento Valley-West Slope Northern Sierra
Nevada-Western Plumas County/Lassen Park.

Winter Storm Watch from late tonight through Wednesday afternoon
for West Slope Northern Sierra Nevada-Western Plumas
County/Lassen Park.

Wind Advisory until 6 PM PST this evening for Carquinez Strait
and Delta-Central Sacramento Valley-Clear Lake/Southern Lake
County-Motherlode-Northern Sacramento Valley-Northern San
Joaquin Valley-Southern Sacramento Valley.

&&

In the hours before

Local storm report, Jan 8, 11:02 AM PST, 4 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SACRAMENTO CA
1102 AM PST SUN JAN 8 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 AM     HEAVY RAIN       1 N QUINCY              39.94N 120.92W
01/08/2017  M3.50 INCH       PLUMAS             CA   TRAINED SPOTTER

            24 HOURS.

&&

IDM
Local storm report, Jan 8, 11:36 AM PST, 3 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SACRAMENTO CA
1136 AM PST SUN JAN 8 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0800 AM     HEAVY RAIN       1 E QUINCY              39.92N 120.90W
01/08/2017  E2.52 INCH       PLUMAS             CA   TRAINED SPOTTER

            2.52 INCHES RAIN SINCE 8:00 PM. LOW WATER
            CROSSINGS FLOODED.

&&

IDM

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 7, 9:10 PM PSTRiver Flood WarningSTOTehama4 days
Jan 8, 2:00 AM PSTAreal Flood AdvisorySTOCalaveras, San Joaquin, Stanislaus, Tuolumne313 days
Jan 8, 2:55 AM PSTRiver Flood WarningSTOSacramento, San Joaquin24 hr
Jan 8, 3:30 AM PSTWinter Storm WatchSTO310 days
Jan 8, 6:22 AM PSTAreal Flood WarningSTOAlpine, Amador, Butte, Calaveras, El Dorado, Glenn and 12 more48 hr
Jan 8, 9:13 AM PSTAreal Flood WarningSTOAmador, Butte, Calaveras, Colusa, Glenn, Lake and 10 more48 hr
Jan 8, 9:49 AM PSTRiver Flood WarningSTOTehama36 hr
Jan 8, 9:49 AM PSTRiver Flood WarningSTOButte, Glenn4 days
Jan 8, 3:23 PM PSTRiver Flood WarningSTOYolo27 hr
Jan 8, 3:23 PM PSTWinter Weather AdvisorySTO49 hr

Nearby

Winter Storm Warnings in California, 2017Every winter storm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.