Alert archive / California / Winter Storm Warnings in 2017

Winter Storm Warning 5, NWS Medford, OR

January 19, 2017Siskiyou County, California

NWS Medford, OR issued this winter storm warning at Jan 19, 2017, 3:07 AM PST for Siskiyou County, California. It took effect at Jan 19, 2017, 10:00 PM PST. It was in force for 18 hr. 5 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Jan 19, 2017, 3:07 AM PST (11:07 UTC)
In effect from
Jan 19, 2017, 10:00 PM PST
Expired
Jan 20, 2017, 4:00 PM PST
In force
18 hr
Issued by
NWS Medford, OR

County Siskiyou County, CA

The radar

The Medford radar (KMAX), 56 km from the middle of the area, began a volume at 11:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
Jan 20, 2:22 AM PSTHEAVY SNOW 4Mount Shasta, CASPOTTER REPORTED 1/4 MILE VISIBILITY WITH SNOW ACCUMULATION ROUGHLY 1 INCH PER HOUR. 4 INCHES OF NEW SNOW WITH THIS SYSTEM.
Jan 20, 7:27 AM PSTHEAVY SNOW 201 Wsw Mount Shasta, CAALL NEW SNOW SINCE THE LAST EVENT.
Jan 20, 8:00 AM PSTHEAVY SNOW 11Mount Shasta, CA. THE DURATION OF THE HEAVY SNOW EVENT WAS 14 HOURS. THE REPORTED OBSERVER LOCATION WAS IN MT. SHASTA; NORTHERN PART OF TOWN.
Jan 20, 8:00 AM PSTHEAVY SNOW 143 Sse Mount Shasta, CA. THE DURATION OF THE HEAVY SNOW EVENT WAS 14 HOURS. THE REPORTED OBSERVER LOCATION WAS 2 MI. S OF MT. SHASTA CITY.
Jan 20, 9:30 AM PSTHEAVY SNOW 10.32 S Mount Shasta, CA. THE DURATION OF THE HEAVY SNOW EVENT WAS 12 HOURS.

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, 11.1 hours before the alert went out and 89 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 2017-01-19Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 00:00Z on 2017-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.1939587897117136156Sfc1 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
1030 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
596 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

134 
WWUS46 KMFR 191107
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
307 AM PST THU JAN 19 2017

...ANOTHER HEAVY, WET SNOWSTORM EXPECTED TONIGHT INTO FRIDAY IN
SISKIYOU COUNTY...INCLUDING NEAR MOUNT SHASTA CITY...

.OCCASIONAL, MAINLY LIGHT SNOW WILL CONTINUE THROUGH THIS MORNING
AS ONE STORM SYSTEM DEPARTS THE AREA. ANOTHER STORM WILL TAKE AIM
AT THE REGION TONIGHT AND FRIDAY. THIS ONE WILL BRING ANOTHER
ROUND OF HEAVY...WET SNOW TO PORTIONS OF SISKIYOU COUNTY...
INCLUDING THE MOUNT SHASTA REGION. THE HEAVY SNOW WILL ONCE AGAIN
SIGNIFICANTLY IMPACT TRAVEL ALONG INTERSTATE 5 AND HIGHWAY 89.
TREES COULD TOPPLE AND POWER LINES MAY BE DOWNED DUE TO THE
HEAVY...WET SNOW.

CAZ080-200000-
/O.UPG.KMFR.WS.A.0006.170120T0600Z-170121T0000Z/
/O.NEW.KMFR.WS.W.0005.170120T0600Z-170121T0000Z/
/O.CON.KMFR.WW.Y.0007.000000T0000Z-170119T1800Z/
WESTERN SISKIYOU COUNTY-
307 AM PST THU JAN 19 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS UPGRADED THE WINTER
STORM WATCH TO A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS
IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST FRIDAY. 

* SNOW ACCUMULATIONS...1 TO 3 INCHES THROUGH 10 AM THIS MORNING...
  THEN ANOTHER 8 TO 12 INCHES TONIGHT INTO FRIDAY. UP TO 20 INCHES
  OF NEW SNOW IS EXPECTED IN THE MOUNTAINS.

* WINDS...SOUTH 10 TO 20 MPH.

* ELEVATION...ABOVE 3000 FEET.

* TIMING...INTERMITTENT SNOW WILL TAPER OFF THIS MORNING. ANOTHER
  PERIOD OF HEAVY...WET SNOW IS EXPECTED TONIGHT INTO FRIDAY.

* LOCATIONS INCLUDE...HIGH TERRAIN OF WESTERN SISKIYOU COUNTY... 
  INCLUDING STATE HIGHWAY 3 OVER SCOTT MOUNTAIN SUMMIT...
  PORTIONS OF SAWYERS BAR ROAD BETWEEN ETNA AND SOMES BAR 
  INCLUDING SUMMIT. 

* IMPACTS...PERIODS OF SNOW WILL MAKE TRAVEL DIFFICULT ON AREA
  ROADWAYS THIS MORNING...THEN HEAVY WET SNOW WILL BRING EXTREMELY
  HAZARDOUS TRAVEL CONDITIONS WITH LOW VISIBILITY TONIGHT INTO
  FRIDAY. SOME ROADS COULD BECOME IMPASSABLE. THE HEAVY...WET
  SNOW COULD ALSO SNAP TREE LIMBS AND DOWN POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL, KEEP TIRE CHAINS, A FLASHLIGHT, BLANKETS, 
  FOOD, WATER, MEDICATIONS, AND A FULLY CHARGED PHONE WITH YOU.

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY.
  TAKE PROTECTIVE ACTION NOW. 

&&

$$

CAZ081-200000-
/O.UPG.KMFR.WS.A.0006.170120T0600Z-170121T0000Z/
/O.NEW.KMFR.WS.W.0005.170120T0600Z-170121T0000Z/
/O.CON.KMFR.WW.Y.0007.000000T0000Z-170119T1200Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITY OF...WEED
307 AM PST THU JAN 19 2017

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

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS UPGRADED THE WINTER
STORM WATCH TO A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS
IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST FRIDAY. 

* SNOW ACCUMULATIONS...4 TO 8 INCHES NEAR WEED, HIGHEST SOUTH PART
  OF THE CITY. 10 TO 15 INCHES ARE EXPECTED IN THE MOUNTAINS WEST
  AND SOUTHWEST OF WEED.

* WINDS...SOUTH 15 TO 25 MPH WITH HIGHER GUSTS CAUSING SOME
  BLOWING AND DRIFTING SNOW. WINDS COULD GUST TO 50 MPH TONIGHT
  INTO FRIDAY.

* ELEVATION...ABOVE 3000 FEET.

* TIMING...OCCASIONAL SNOW THIS MORNING...THEN ANOTHER PERIOD OF
  HEAVY... WET SNOW IS EXPECTED TONIGHT INTO FRIDAY.

* LOCATIONS INCLUDE...WEED AND THE MOUNTAINS WEST OF WEED... 
  INCLUDING FOREST MOUNTAIN SUMMIT BETWEEN YREKA AND ETNA. 

* IMPACTS...INTERMITTENT SNOW WILL MAKE TRAVEL DIFFICULT ON AREA
  ROADWAYS THIS MORNING...THEN HEAVY WET SNOW WILL BRING EXTREMELY
  HAZARDOUS TRAVEL CONDITIONS WITH LOW VISIBILITY TONIGHT INTO
  FRIDAY. SOME ROADS COULD BECOME IMPASSABLE. THE HEAVY...WET
  SNOW COULD ALSO SNAP TREE LIMBS AND DOWN POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL, KEEP TIRE CHAINS, A FLASHLIGHT, BLANKETS, 
  FOOD, WATER, MEDICATIONS, AND A FULLY CHARGED PHONE WITH YOU.

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY.
  TAKE PROTECTIVE ACTION NOW. 

&&

$$

CAZ082-083-200000-
/O.UPG.KMFR.WS.A.0006.170120T0600Z-170121T0000Z/
/O.NEW.KMFR.WS.W.0005.170120T0600Z-170121T0000Z/
/O.CON.KMFR.WW.Y.0007.000000T0000Z-170119T1800Z/
SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF...MOUNT SHASTA...DUNSMUIR...MCCLOUD...
TENNANT
307 AM PST THU JAN 19 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS UPGRADED THE WINTER
STORM WATCH TO A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS
IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST FRIDAY. 

* SNOW ACCUMULATIONS...1 TO 3 INCHES THROUGH 10 AM THURSDAY...
  THEN ANOTHER 8 TO 12 INCHES IS EXPECTED TONIGHT INTO FRIDAY. UP
  TO 20 INCHES OF NEW SNOW COULD ACCUMULATE NEAR SNOWMAN SUMMIT.

* WINDS...SOUTH 15 TO 25 MPH CAUSING SOME BLOWING AND DRIFTING 
  SNOW. 

* ELEVATION...ALL AREAS, BUT THE HEAVIEST SNOW WILL BE ABOVE 3000
  FEET.

* TIMING...INTERMITTENT SNOW THIS MORNING...THEN ANOTHER PERIOD OF
  HEAVY...WET SNOW IS EXPECTED TONIGHT INTO FRIDAY.

* LOCATIONS INCLUDE...MOUNT SHASTA CITY...MCLOUD...AND 
  DUNSMUIR...INCLUDING BLACK BUTTE SUMMIT ON INTERSTATE 5 AND 
  SNOWMAN SUMMIT ON HIGHWAY 89. 

* IMPACTS...PERIODS OF SNOW WILL MAKE TRAVEL DIFFICULT ON AREA
  ROADWAYS THIS MORNING...THEN HEAVY WET SNOW WILL BRING EXTREMELY
  HAZARDOUS TRAVEL CONDITIONS WITH LOW VISIBILITY TONIGHT INTO
  FRIDAY. SOME ROADS COULD BECOME IMPASSABLE. THE HEAVY...WET
  SNOW COULD ALSO SNAP TREE LIMBS AND DOWN POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL, KEEP TIRE CHAINS, A FLASHLIGHT, BLANKETS, 
  FOOD, WATER, MEDICATIONS, AND A FULLY CHARGED PHONE WITH YOU.

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY.
  TAKE PROTECTIVE ACTION NOW. 

&&

$$

ORZ027-028-191800-
/O.EXT.KMFR.WW.Y.0007.000000T0000Z-170119T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...HOWARD PRAIRIE...
SISKIYOU SUMMIT
307 AM PST THU JAN 19 2017

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING...

* ADDITIONAL SNOW ACCUMULATIONS...1 TO 3 INCHES.

* WINDS...SOUTH 10 TO 20 MPH.

* ELEVATION...ABOVE 3000 FEET.

* LOCATIONS INCLUDE...CRATER LAKE...HOWARD PRAIRIE AND SISKIYOU 
  SUMMIT...INCLUDING HIGHWAYS 62...138...AND 230 AS WELL AS THE 
  ROAD TO MOUNT ASHLAND. 

* IMPACTS...PERIODS OF SNOW WILL REDUCE VISIBILITY AND MAKE 
  TRAVEL ON AREA ROADWAYS DIFFICULT AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION.

* CARRY TIRE CHAINS AND BE PREPARED FOR SNOW COVERED ROADS AND 
  LIMITED VISIBILITIES. 

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

&&

$$

ORZ029-030-191215-
/O.CON.KMFR.WW.Y.0007.000000T0000Z-170119T1200Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
INCLUDING THE CITIES OF...CHEMULT...CRESCENT...GILCHRIST
307 AM PST THU JAN 19 2017

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

* ADDITIONAL SNOW ACCUMULATIONS...1 TO 2 INCHES.

* WINDS...SOUTH 15 TO 25 MPH CAUSING SOME BLOWING SNOW.

* LOCATIONS INCLUDE...HIGHWAY 97 FROM SPRING CREEK NORTH TO 
  CRESCENT. 

* IMPACTS...PERIODS OF SNOW WILL MAKE TRAVEL DIFFICULT ON AREA 
  ROADWAYS DUE TO SNOW COVERED ROADS AND LOW VISIBILITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION.

* CARRY TIRE CHAINS AND BE PREPARED FOR SNOW COVERED ROADS AND 
  LIMITED VISIBILITIES. 

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

&&

$$

MAS
5 follow-up statements
128 
WWUS46 KMFR 191208
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
408 AM PST THU JAN 19 2017

...ANOTHER HEAVY...WET SNOWSTORM EXPECTED TONIGHT INTO FRIDAY IN
SISKIYOU COUNTY...INCLUDING NEAR MOUNT SHASTA CITY...

.OCCASIONAL...MAINLY LIGHT SNOW WILL CONTINUE THROUGH THIS
MORNING AS ONE STORM SYSTEM DEPARTS THE AREA. ANOTHER STORM WILL
TAKE AIM AT THE REGION TONIGHT AND FRIDAY. THIS ONE WILL BRING
ANOTHER ROUND OF HEAVY...WET SNOW TO PORTIONS OF SISKIYOU
COUNTY...INCLUDING THE MOUNT SHASTA REGION. THE HEAVY SNOW WILL
ONCE AGAIN SIGNIFICANTLY IMPACT TRAVEL ALONG INTERSTATE 5 AND
HIGHWAY 89. TREES COULD TOPPLE AND POWER LINES MAY BE DOWNED DUE
TO THE HEAVY...WET SNOW.

CAZ081-200000-
/O.EXP.KMFR.WW.Y.0007.000000T0000Z-170119T1200Z/
/O.CON.KMFR.WS.W.0005.170120T0600Z-170121T0000Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITY OF...WEED
408 AM PST THU JAN 19 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM PST FRIDAY...
...WINTER WEATHER ADVISORY HAS EXPIRED...

* SNOW ACCUMULATIONS...4 TO 8 INCHES NEAR WEED...HIGHEST SOUTH
  PART OF THE CITY. 10 TO 15 INCHES ARE EXPECTED IN THE MOUNTAINS
  WEST AND SOUTHWEST OF WEED.

* WINDS...SOUTH 15 TO 25 MPH WITH HIGHER GUSTS CAUSING SOME 
  BLOWING AND DRIFTING SNOW. WINDS COULD GUST TO 50 MPH TONIGHT 
  INTO FRIDAY. 

* ELEVATION...ABOVE 3000 FEET.

* TIMING...ANOTHER PERIOD OF HEAVY...WET SNOW IS EXPECTED TONIGHT
  INTO FRIDAY.

* LOCATIONS INCLUDE...WEED AND THE MOUNTAINS WEST OF WEED... 
  INCLUDING FOREST MOUNTAIN SUMMIT BETWEEN YREKA AND ETNA. 

* IMPACTS...INTERMITTENT SNOW WILL MAKE TRAVEL DIFFICULT ON AREA 
  ROADWAYS THIS MORNING...THEN HEAVY WET SNOW WILL BRING 
  EXTREMELY HAZARDOUS TRAVEL CONDITIONS WITH LOW VISIBILITY 
  TONIGHT INTO FRIDAY. SOME ROADS COULD BECOME IMPASSABLE. THE 
  HEAVY...WET SNOW COULD ALSO SNAP TREE LIMBS AND DOWN POWER 
  LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY.
  TAKE PROTECTIVE ACTION NOW. 

&&

$$

ORZ029-030-191315-
/O.EXP.KMFR.WW.Y.0007.000000T0000Z-170119T1200Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
INCLUDING THE CITIES OF...CHEMULT...CRESCENT...GILCHRIST
408 AM PST THU JAN 19 2017

...WINTER WEATHER ADVISORY HAS EXPIRED...

LIGHT SNOW SHOWERS THIS MORNING WILL BRING LESS THAN AN INCH
ADDITIONAL SNOW ACCUMULATION.

$$

CAZ080-200000-
/O.CON.KMFR.WS.W.0005.170120T0600Z-170121T0000Z/
/O.CON.KMFR.WW.Y.0007.000000T0000Z-170119T1800Z/
WESTERN SISKIYOU COUNTY-
408 AM PST THU JAN 19 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM PST FRIDAY...

* SNOW ACCUMULATIONS...1 TO 3 INCHES THROUGH 10 AM THIS
  MORNING...THEN ANOTHER 8 TO 12 INCHES TONIGHT INTO FRIDAY. UP
  TO 20 INCHES OF NEW SNOW IS EXPECTED IN THE MOUNTAINS.

* WINDS...SOUTH 10 TO 20 MPH.

* ELEVATION...ABOVE 3000 FEET.

* TIMING...INTERMITTENT SNOW WILL TAPER OFF THIS MORNING. 
  ANOTHER PERIOD OF HEAVY...WET SNOW IS EXPECTED TONIGHT INTO 
  FRIDAY. 

* LOCATIONS INCLUDE...HIGH TERRAIN OF WESTERN SISKIYOU COUNTY... 
  INCLUDING STATE HIGHWAY 3 OVER SCOTT MOUNTAIN SUMMIT... 
  PORTIONS OF SAWYERS BAR ROAD BETWEEN ETNA AND SOMES BAR 
  INCLUDING SUMMIT. 

* IMPACTS...PERIODS OF SNOW WILL MAKE TRAVEL DIFFICULT ON AREA 
  ROADWAYS THIS MORNING...THEN HEAVY WET SNOW WILL BRING 
  EXTREMELY HAZARDOUS TRAVEL CONDITIONS WITH LOW VISIBILITY 
  TONIGHT INTO FRIDAY. SOME ROADS COULD BECOME IMPASSABLE. THE 
  HEAVY...WET SNOW COULD ALSO SNAP TREE LIMBS AND DOWN POWER 
  LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

&&

$$

CAZ082-083-200000-
/O.CON.KMFR.WS.W.0005.170120T0600Z-170121T0000Z/
/O.CON.KMFR.WW.Y.0007.000000T0000Z-170119T1800Z/
SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF...MOUNT SHASTA...DUNSMUIR...MCCLOUD...
TENNANT
408 AM PST THU JAN 19 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM PST FRIDAY...

* SNOW ACCUMULATIONS...1 TO 3 INCHES THROUGH 10 AM THIS
  MORNING...THEN ANOTHER 8 TO 12 INCHES IS EXPECTED TONIGHT INTO
  FRIDAY. UP TO 20 INCHES OF NEW SNOW COULD ACCUMULATE NEAR
  SNOWMAN SUMMIT.

* WINDS...SOUTH 15 TO 25 MPH CAUSING SOME BLOWING AND DRIFTING 
  SNOW. 

* ELEVATION...ALL AREAS... BUT THE HEAVIEST SNOW WILL BE ABOVE 
  3000 FEET. 

* TIMING...INTERMITTENT SNOW THIS MORNING...THEN ANOTHER PERIOD 
  OF HEAVY...WET SNOW IS EXPECTED TONIGHT INTO FRIDAY. 

* LOCATIONS INCLUDE...MOUNT SHASTA CITY...MCLOUD...AND 
  DUNSMUIR...INCLUDING BLACK BUTTE SUMMIT ON INTERSTATE 5 AND 
  SNOWMAN SUMMIT ON HIGHWAY 89. 

* IMPACTS...PERIODS OF SNOW WILL MAKE TRAVEL DIFFICULT ON AREA 
  ROADWAYS THIS MORNING...THEN HEAVY WET SNOW WILL BRING 
  EXTREMELY HAZARDOUS TRAVEL CONDITIONS WITH LOW VISIBILITY 
  TONIGHT INTO FRIDAY. SOME ROADS COULD BECOME IMPASSABLE. THE 
  HEAVY...WET SNOW COULD ALSO SNAP TREE LIMBS AND DOWN POWER 
  LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

&&

$$

ORZ027-028-191800-
/O.CON.KMFR.WW.Y.0007.000000T0000Z-170119T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...HOWARD PRAIRIE...
SISKIYOU SUMMIT
408 AM PST THU JAN 19 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

* ADDITIONAL SNOW ACCUMULATIONS...1 TO 3 INCHES.

* WINDS...SOUTH 10 TO 20 MPH.

* ELEVATION...ABOVE 3000 FEET.

* LOCATIONS INCLUDE...CRATER LAKE...HOWARD PRAIRIE AND SISKIYOU 
  SUMMIT...INCLUDING HIGHWAYS 62...138...AND 230 AS WELL AS THE 
  ROAD TO MOUNT ASHLAND. 

* IMPACTS...PERIODS OF SNOW WILL REDUCE VISIBILITY AND MAKE 
  TRAVEL ON AREA ROADWAYS DIFFICULT AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION.

* CARRY TIRE CHAINS AND BE PREPARED FOR SNOW COVERED ROADS AND 
  LIMITED VISIBILITIES. 

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

&&

$$

MAS
543 
WWUS46 KMFR 191628
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
828 AM PST THU JAN 19 2017

...ANOTHER HEAVY...WET SNOWSTORM EXPECTED TONIGHT INTO FRIDAY IN
SISKIYOU COUNTY...INCLUDING NEAR MOUNT SHASTA CITY...

.OCCASIONAL...MAINLY LIGHT SNOW WILL CONTINUE THROUGH THIS
MORNING AS ONE STORM SYSTEM DEPARTS THE AREA. ANOTHER STORM WILL
TAKE AIM AT THE REGION TONIGHT AND FRIDAY. THIS ONE WILL BRING
ANOTHER ROUND OF HEAVY...WET SNOW TO PORTIONS OF SISKIYOU
COUNTY...INCLUDING THE MOUNT SHASTA REGION. THE HEAVY SNOW WILL
ONCE AGAIN SIGNIFICANTLY IMPACT TRAVEL ALONG INTERSTATE 5 AND
HIGHWAY 89. TREES COULD TOPPLE AND POWER LINES MAY BE DOWNED DUE
TO THE HEAVY...WET SNOW.

CAZ080-082-083-200000-
/O.CAN.KMFR.WW.Y.0007.000000T0000Z-170119T1800Z/
/O.CON.KMFR.WS.W.0005.170120T0600Z-170121T0000Z/
WESTERN SISKIYOU COUNTY-SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF...MOUNT SHASTA...DUNSMUIR...MCCLOUD...
TENNANT*
828 AM PST THU JAN 19 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM PST FRIDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

* SNOW ACCUMULATIONS...UP TO AN ADDITIONAL INCH THIS
  MORNING...THEN ANOTHER 8 TO 12 INCHES TONIGHT INTO FRIDAY. UP TO
  20 INCHES OF NEW SNOW IS EXPECTED IN THE MOUNTAINS.

* WINDS...SOUTH 10 TO 20 MPH.

* ELEVATION...ABOVE 3000 FEET.

* TIMING...INTERMITTENT SNOW WILL TAPER OFF THIS MORNING. 
  ANOTHER PERIOD OF HEAVY...WET SNOW IS EXPECTED TONIGHT INTO 
  FRIDAY. 

* LOCATIONS INCLUDE...HIGH TERRAIN OF WESTERN SISKIYOU COUNTY... 
  INCLUDING STATE HIGHWAY 3 OVER SCOTT MOUNTAIN SUMMIT... 
  PORTIONS OF SAWYERS BAR ROAD BETWEEN ETNA AND SOMES BAR 
  INCLUDING SUMMIT. 

* IMPACTS...PERIODS OF SNOW WILL MAKE TRAVEL DIFFICULT ON AREA 
  ROADWAYS THIS MORNING...THEN HEAVY WET SNOW WILL BRING 
  EXTREMELY HAZARDOUS TRAVEL CONDITIONS WITH LOW VISIBILITY 
  TONIGHT INTO FRIDAY. SOME ROADS COULD BECOME IMPASSABLE. THE 
  HEAVY...WET SNOW COULD ALSO SNAP TREE LIMBS AND DOWN POWER 
  LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.

* IF YOU MUST TRAVEL, KEEP TIRE CHAINS, A FLASHLIGHT, BLANKETS, 
  FOOD, WATER, MEDICATIONS, AND A FULLY CHARGED PHONE WITH YOU.

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.


&&

$$

ORZ027-028-191730-
/O.CAN.KMFR.WW.Y.0007.000000T0000Z-170119T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
828 AM PST THU JAN 19 2017

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

SNOW SHOWERS WILL CONTINUE TODAY WITH UP TO AN ADDITIONAL INCH
ACCUMULATION.

$$

CAZ081-200000-
/O.CON.KMFR.WS.W.0005.170120T0600Z-170121T0000Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITY OF...WEED
828 AM PST THU JAN 19 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM PST FRIDAY...

* SNOW ACCUMULATIONS...4 TO 8 INCHES NEAR WEED...HIGHEST SOUTH 
  PART OF THE CITY. 10 TO 15 INCHES ARE EXPECTED IN THE 
  MOUNTAINS WEST AND SOUTHWEST OF WEED. 

* WINDS...SOUTH 15 TO 25 MPH WITH HIGHER GUSTS CAUSING SOME 
  BLOWING AND DRIFTING SNOW. WINDS COULD GUST TO 50 MPH TONIGHT 
  INTO FRIDAY. 

* ELEVATION...ABOVE 3000 FEET.

* TIMING...ANOTHER PERIOD OF HEAVY...WET SNOW IS EXPECTED 
  TONIGHT INTO FRIDAY. 

* LOCATIONS INCLUDE...WEED AND THE MOUNTAINS WEST OF WEED... 
  INCLUDING FOREST MOUNTAIN SUMMIT BETWEEN YREKA AND ETNA. 

* IMPACTS...INTERMITTENT SNOW WILL MAKE TRAVEL DIFFICULT ON AREA 
  ROADWAYS THIS MORNING...THEN HEAVY WET SNOW WILL BRING 
  EXTREMELY HAZARDOUS TRAVEL CONDITIONS WITH LOW VISIBILITY 
  TONIGHT INTO FRIDAY. SOME ROADS COULD BECOME IMPASSABLE. THE 
  HEAVY...WET SNOW COULD ALSO SNAP TREE LIMBS AND DOWN POWER 
  LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

&&

$$

PETRUCELLI
807 
WWUS46 KMFR 192242
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
242 PM PST THU JAN 19 2017

...A HEAVY...WET SNOWSTORM IS EXPECTED TONIGHT INTO FRIDAY IN 
SISKIYOU COUNTY...INCLUDING NEAR MOUNT SHASTA CITY FOLLOWED BY 
ANOTHER ONE SATURDAY NIGHT INTO SUNDAY...

.TWO STORMS WILL STORM WILL TAKE AIM AT THE REGION TONIGHT INTO 
THIS WEEKEND. THE FIRST STORM ONE WILL BRING ANOTHER ROUND OF 
HEAVY...WET SNOW TO PORTIONS OF SISKIYOU COUNTY...INCLUDING THE 
MOUNT SHASTA REGION TONIGHT INTO FRIDAY. A RELATIVE BREAK IN THE 
ACTION IS EXPECTED FRIDAY NIGHT INTO SATURDAY, THEN A SECOND STORM 
WILL BRING ANOTHER ROUND OF HEAVY WET SNOW TO THE SAME AREAS. THE
HEAVY SNOW WILL ONCE AGAIN SIGNIFICANTLY IMPACT TRAVEL ALONG 
INTERSTATE 5 AND HIGHWAY 89. TREES COULD TOPPLE AND POWER LINES 
MAY BE DOWNED DUE TO THE HEAVY...WET SNOW.

CAZ080-083-201200-
/O.NEW.KMFR.WW.Y.0008.170120T0600Z-170121T0000Z/
/O.NEW.KMFR.WS.A.0007.170122T0000Z-170123T0000Z/
/O.CON.KMFR.WS.W.0005.170120T0600Z-170121T0000Z/
WESTERN SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF ETNA, FORT JONES, AND TENNANT
242 PM PST THU JAN 19 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
4 PM PST FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM PST FRIDAY...
...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY AFTERNOON...

* SNOW ACCUMULATIONS IN THE WARNING AREA...8 TO 12 INCHES TONIGHT
  INTO FRIDAY. UP TO 20 INCHES OF NEW SNOW IS EXPECTED IN THE
  MOUNTAINS.

* SNOW ACCUMULATIONS IN THE ADVISORY AREA: 4 TO 8 INCHES TONIGHT
  INTO FRIDAY.  

* ELEVATION...ABOVE 3000 FEET.

* TIMING...HEAVY...WET SNOW IS EXPECTED TONIGHT INTO FRIDAY.

* LOCATIONS IN THE WARNING AREA INCLUDE...HIGH TERRAIN OF WESTERN
  SISKIYOU COUNTY...INCLUDING STATE HIGHWAY 3 OVER SCOTT MOUNTAIN
  SUMMIT...PORTIONS OF SAWYERS BAR ROAD BETWEEN ETNA AND SOMES BAR
  INCLUDING SUMMIT AND HIGHWAY 97 TOWARDS WEED. 

* LOCATIONS IN THE ADVISORY AREA INCLUDE: HIGHWAY 97 AND HIGHWAY 
  3 BETWEEN GREENVIEW AND ETNA.

* IMPACTS...HEAVY WET SNOW WILL BRING EXTREMELY HAZARDOUS TRAVEL
  CONDITIONS WITH LOW VISIBILITY TONIGHT INTO FRIDAY. SOME ROADS
  COULD BECOME IMPASSABLE. THE HEAVY...WET SNOW COULD ALSO SNAP
  TREE LIMBS AND DOWN POWER LINES. 

* SATURDAY NIGHT AND SUNDAY...ANOTHER STORM MAY BRING 1 TO 3 FEET
  OF SNOW TO THE MOUNTAINS ABOVE 3000 FEET. HIGH SNOWFALL RATES
  AND VERY HEAVY SNOW TOTALS MAY CREATE DIFFICULT TRAVEL
  CONDITIONS INCLUDING SNOW PACKED OR IMPASSABLE ROADS AND LOW
  VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.

&&

$$

CAZ081-201200-
/O.NEW.KMFR.WW.Y.0008.170120T0600Z-170121T0000Z/
/O.CON.KMFR.WS.W.0005.170120T0600Z-170121T0000Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITIES OF YREKA AND WEED
242 PM PST THU JAN 19 2017

....WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
4 PM PST FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM PST FRIDAY...

* SNOW ACCUMULATIONS IN THE WARNING AREA...4 TO 8 INCHES NEAR
  WEED...HIGHEST SOUTH PART OF THE CITY. 10 TO 15 INCHES ARE
  EXPECTED IN THE MOUNTAINS WEST AND SOUTHWEST OF WEED.

* SNOW ACCUMULATIONS IN THE ADVISORY AREA...2 TO 4 INCHES ALONG
  INTERSTATE 5 BETWEEN YREKA AND GAZELLE. 

* WINDS...SOUTH 15 TO 25 MPH WITH HIGHER GUSTS CAUSING SOME 
  BLOWING AND DRIFTING SNOW. WINDS COULD GUST TO 50 MPH TONIGHT 
  INTO FRIDAY. 

* ELEVATION...ABOVE 3000 FEET.

* TIMING...HEAVY...WET SNOW IS EXPECTED TONIGHT INTO FRIDAY. 

* LOCATIONS IN THE WARNING AREA INCLUDE...WEED AND THE MOUNTAINS
  WEST OF WEED... INCLUDING FOREST MOUNTAIN SUMMIT BETWEEN YREKA
  AND ETNA

* LOCATIONS IN THE ADVISORY AREA INCLUDE...INTERSTATE 5 BETWEEN
  YREKA AND GAZELLE.

* IMPACTS...HEAVY WET SNOW WILL BRING EXTREMELY HAZARDOUS TRAVEL 
  CONDITIONS WITH LOW VISIBILITY TONIGHT INTO FRIDAY. SOME ROADS 
  COULD BECOME IMPASSABLE. THE HEAVY...WET SNOW COULD ALSO SNAP 
  TREE LIMBS AND DOWN POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.

&&

$$

CAZ082-201200-
/O.NEW.KMFR.WS.A.0007.170122T0000Z-170123T0000Z/
/O.CON.KMFR.WS.W.0005.170120T0600Z-170121T0000Z/
SOUTH CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITIES OF MOUNT SHASTA, DUNSMUIR, AND MCCLOUD
242 PM PST THU JAN 19 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM PST FRIDAY...
...WINTER STORM WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY AFTERNOON...

* SNOW ACCUMULATIONS...8 TO 12 INCHES TONIGHT INTO FRIDAY. UP TO 
  20 INCHES OF NEW SNOW IS EXPECTED IN THE MOUNTAINS. 

* WINDS...SOUTH 10 TO 20 MPH.

* ELEVATION...ABOVE 3000 FEET.

* TIMING...HEAVY...WET SNOW IS EXPECTED TONIGHT INTO FRIDAY. 

* LOCATIONS INCLUDE...MOUNT SHASTA...MC CLOUD. ALL OF INTERSTATE 
  5 AND HIGHWAY 89. 

* IMPACTS...HEAVY WET SNOW WILL BRING EXTREMELY HAZARDOUS TRAVEL 
  CONDITIONS WITH LOW VISIBILITY TONIGHT INTO FRIDAY. SOME ROADS 
  COULD BECOME IMPASSABLE. THE HEAVY...WET SNOW COULD ALSO SNAP 
  TREE LIMBS AND DOWN POWER LINES. 

* SATURDAY NIGHT AND SUNDAY...ANOTHER STORM MAY BRING 1 TO 2 FEET
  OF SNOW TO THE MT. SHASTA AREA AND UP TO 3 FEET IN MOUNTAINS
  ABOVE 5000 FEET. HIGH SNOWFALL RATES AND VERY HEAVY SNOW TOTALS
  MAY CREATE DIFFICULT TRAVEL CONDITIONS INCLUDING SNOW PACKED OR
  IMPASSABLE ROADS AND LOW VISIBILITY. THIS INCLUDES INTERSTATE 5
  NEAR MT. SHASTA CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

* A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
  SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
  CONTINUE TO MONITOR THE LATEST FORECASTS.

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.

&&

$$

CAZ085-ORZ031-201200-
/O.NEW.KMFR.WW.Y.0008.170120T0600Z-170121T0000Z/
MODOC COUNTY-CENTRAL AND EASTERN LAKE COUNTY-
242 PM PST THU JAN 19 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
4 PM PST FRIDAY...

* SNOW ACCUMULATIONS...3 TO 6 INCHES WITH LOCAL AMOUNTS UP TO 8
  INCHES ALONG HIGHWAY 299 EAST OF ALTURAS. 

* WINDS...SOUTH 15 TO 25 WITH GUST TO 35 MPH. 

* TIMING...SNOW WILL BEGIN TONIGHT AND CONTINUE INTO FRIDAY. BRIEF
  MODERATE TO HEAVY SNOW IS POSSIBLE. 

* LOCATIONS INCLUDE...HIGHWAY 299 EAST OF ALTURAS. 

* IMPACTS...WET SNOW WILL BRING HAZARDOUS TRAVEL CONDITIONS
  TONIGHT INTO FRIDAY. SOME ROADS COULD BECOME IMPASSABLE.

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION.

* CARRY TIRE CHAINS AND BE PREPARED FOR SNOW COVERED ROADS AND 
  LIMITED VISIBILITIES.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES.

&&

$$

ORZ028-201200-
/O.NEW.KMFR.WW.Y.0008.170120T0600Z-170121T0000Z/
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITY OF SISKIYOU SUMMIT
242 PM PST THU JAN 19 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
4 PM PST FRIDAY...

* SNOW ACCUMULATIONS...4 TO 8 INCHES ALONG THE SISKIYOUS INCLUDING
  INTERSTATE 5 NEAR SIKSYOU SUMMIT. UP TO 10 INCHES POSSIBLE NEAR
  MOUNT ASHLAND. 3 TO 6 INCHES ALONG HIGHWAY 66 AND HIGHWAY 140
  NEAR LAKE OF THE WOODS.  

* TIMING...STEADY SNOW WILL ARRIVE TONIGHT AND CONTINUE INTO
  FRIDAY. BRIEF MODERATE TO HEAVY SNOW IS POSSIBLE TONIGHT INTO
  FRIDAY MORNING. 

* LOCATIONS INCLUDE...MOUNT ASHLAND...INTERSTATE 5 NEAR SISKIYOU
  SUMMIT...HIGHWAY 66 EAST OF ASHLAND AND HIGHWAY 140 NEAR LAKE 
  OF THE WOODS

* IMPACTS...WET SNOW WILL BRING HAZARDOUS TRAVEL CONDITIONS
  TONIGHT INTO FRIDAY. SOME ROADS COULD BECOME IMPASSABLE.

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION.

* CARRY TIRE CHAINS AND BE PREPARED FOR SNOW COVERED ROADS AND 
  LIMITED VISIBILITIES.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
  WILL CAUSE TRAVEL DIFFICULTIES.

&&

$$
143 
WWUS46 KMFR 201029
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
229 AM PST FRI JAN 20 2017

...A HEAVY...WET SNOWSTORM WILL CONTINUE THROUGH THIS MORNING IN 
SISKIYOU COUNTY...FOLLOWED BY ANOTHER STORM SATURDAY NIGHT INTO 
SUNDAY...

.TWO STORMS WILL TAKE AIM AT THE REGION THIS WEEKEND. THE FIRST 
STORM ONE WILL PRODUCE HEAVY...WET SNOW OVER MUCH OF SISKIYOU 
COUNTY...INCLUDING THE MOUNT SHASTA REGION...THROUGH THIS MORNING.
A RELATIVE BREAK IN THE ACTION IS EXPECTED FRIDAY NIGHT INTO 
SATURDAY...THEN A SECOND STORM WILL DUMP ANOTHER ROUND OF HEAVY 
WET SNOW IN THE SAME AREAS. HEAVY SNOW WILL SIGNIFICANTLY IMPACT
TRAVEL ALONG INTERSTATE 5 AND HIGHWAY 89...AND MAY DOWN TREES 
AND POWER LINES.

ORZ031-201130-
/O.CAN.KMFR.WW.Y.0008.000000T0000Z-170121T0000Z/
CENTRAL AND EASTERN LAKE COUNTY-
229 AM PST FRI JAN 20 2017

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

SIGNIFICANT SNOW IS NOT EXPECTED IN THE LAKE COUNTY AREA. 

$$

CAZ080-083-210000-
/O.CON.KMFR.WS.W.0005.000000T0000Z-170121T0000Z/
/O.CON.KMFR.WW.Y.0008.000000T0000Z-170121T0000Z/
/O.CON.KMFR.WS.A.0007.170122T0000Z-170123T0000Z/
WESTERN SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF ETNA, FORT JONES, AND TENNANT
229 AM PST FRI JAN 20 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY AFTERNOON...

* SNOW ACCUMULATIONS IN THE WARNING AREA...8 TO 12 INCHES. UP TO 20
  INCHES OF NEW SNOW IS EXPECTED IN THE MOUNTAINS. 

* LOCATIONS IN THE WARNING AREA INCLUDE...HIGH TERRAIN OF WESTERN
  SISKIYOU COUNTY...INCLUDING STATE HIGHWAY 3 OVER SCOTT MOUNTAIN
  SUMMIT...SAWYERS BAR ROAD BETWEEN ETNA AND SAWYERS BAR...AND 
  HIGHWAY 97 NORTHEAST OF WEED. 

* SNOW ACCUMULATIONS IN THE ADVISORY AREA: 4 TO 8 INCHES. 

* LOCATIONS IN THE ADVISORY AREA INCLUDE: THE SCOTT
  VALLEY...INCLUDING ETNA AND FORT JONES...AND HIGHWAY 97 FROM
  GRASS LAKE TO MOUNT HEBRON.

* TIMING...SNOW WILL CONTINUE THIS MORNING AND TAPER OFF THROUGH 
  THE AFTERNOON.

* IMPACTS...HEAVY WET SNOW WILL PRODUCE EXTREMELY HAZARDOUS TRAVEL
  CONDITIONS DUE TO LOW VISIBILITY AND SNOW COVERED ROADS. SOME 
  ROADS COULD BECOME IMPASSABLE. THE HEAVY...WET SNOW COULD ALSO 
  SNAP TREE LIMBS AND DOWN POWER LINES. 

* WINTER STORM WATCH SATURDAY NIGHT AND SUNDAY...ANOTHER STORM MAY
  BRING 1 TO 3 FEET OF SNOW TO THE MOUNTAINS ABOVE 3000 FEET. HIGH
  SNOWFALL RATES AND VERY HEAVY SNOW TOTALS MAY CREATE DIFFICULT
  TRAVEL CONDITIONS INCLUDING SNOW PACKED OR IMPASSABLE ROADS AND
  LOW VISIBILITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.

&&

$$

CAZ081-210000-
/O.CON.KMFR.WS.W.0005.000000T0000Z-170121T0000Z/
/O.CON.KMFR.WW.Y.0008.000000T0000Z-170121T0000Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITIES OF YREKA AND WEED
229 AM PST FRI JAN 20 2017

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

* SNOW ACCUMULATIONS IN THE WARNING AREA...4 TO 8 INCHES...WITH 10
  TO 15 INCHES EXPECTED IN THE HIGHER ELEVATIONS. 

* LOCATIONS IN THE WARNING AREA INCLUDE...INTERSTATE 5 AND HIGHWAY
  97 NEAR WEED. 

* SNOW ACCUMULATIONS IN THE ADVISORY AREA...2 TO 4 INCHES. 

* LOCATIONS IN THE ADVISORY AREA INCLUDE...INTERSTATE 5 BETWEEN
  YREKA AND GAZELLE...AND NORTH OF HORNBROOK.  

* WINDS...SOUTH 15 TO 25 MPH WITH HIGHER GUSTS CAUSING SOME 
  BLOWING AND DRIFTING SNOW. WINDS COULD GUST TO 50 MPH TONIGHT 
  INTO FRIDAY. 

* TIMING...SNOW WILL CONTINUE THIS MORNING AND TAPER OFF THROUGH 
  THE AFTERNOON.

* IMPACTS...HEAVY WET SNOW WILL PRODUCE HAZARDOUS TRAVEL
  CONDITIONS DUE TO LOW VISIBILITY AND SNOW COVERED ROADS. SOME
  ROADS COULD BECOME IMPASSABLE. THE HEAVY...WET SNOW COULD ALSO
  SNAP TREE LIMBS AND DOWN POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.

&&

$$

CAZ082-210000-
/O.CON.KMFR.WS.W.0005.000000T0000Z-170121T0000Z/
/O.CON.KMFR.WS.A.0007.170122T0000Z-170123T0000Z/
SOUTH CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITIES OF MOUNT SHASTA, DUNSMUIR, AND MCCLOUD
229 AM PST FRI JAN 20 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY AFTERNOON...

* SNOW ACCUMULATIONS...8 TO 12 INCHES. UP TO 20 INCHES OF NEW 
  SNOW IS EXPECTED IN THE MOUNTAINS. 

* WINDS...SOUTH 10 TO 20 MPH.

* TIMING...SNOW WILL CONTINUE THIS MORNING AND TAPER OFF THROUGH 
  THE AFTERNOON.

* LOCATIONS INCLUDE...MOUNT SHASTA...MCCLOUD...INCLUDING INTERSTATE
  5 AND HIGHWAY 89. 

* IMPACTS...HEAVY WET SNOW WILL PRODUCE EXTREMELY HAZARDOUS TRAVEL
  CONDITIONS DUE TO LOW VISIBILITY AND SNOW COVERED ROADS. SOME 
  ROADS COULD BECOME IMPASSABLE. THE HEAVY...WET SNOW COULD ALSO 
  SNAP TREE LIMBS AND DOWN POWER LINES. 

* SATURDAY NIGHT AND SUNDAY...ANOTHER STORM MAY BRING 1 TO 2 FEET
  OF SNOW TO THE MT. SHASTA AREA AND UP TO 3 FEET IN MOUNTAINS
  ABOVE 5000 FEET. HIGH SNOWFALL RATES AND VERY HEAVY SNOW TOTALS
  MAY CREATE DIFFICULT TRAVEL CONDITIONS INCLUDING SNOW PACKED OR
  IMPASSABLE ROADS AND LOW VISIBILITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

* A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR 
  SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY 
  IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. 

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.

&&

$$

CAZ085-210000-
/O.CON.KMFR.WW.Y.0008.000000T0000Z-170121T0000Z/
MODOC COUNTY-
229 AM PST FRI JAN 20 2017

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

* SNOW ACCUMULATIONS...3 TO 6 INCHES WITH LOCAL AMOUNTS UP TO 8
  INCHES. 

* WINDS...SOUTH 15 TO 25 WITH GUST TO 35 MPH.

* TIMING...SNOW WILL BEGIN TONIGHT AND CONTINUE INTO FRIDAY. 
  BRIEF MODERATE TO HEAVY SNOW IS POSSIBLE. 

* LOCATIONS INCLUDE...HIGHWAY 299 EAST OF ALTURAS.

* IMPACTS...WET SNOW WILL PRODUCE HAZARDOUS TRAVEL CONDITIONS
  TODAY. SOME ROADS COULD BECOME IMPASSABLE. 

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION.

* CARRY TIRE CHAINS AND BE PREPARED FOR SNOW COVERED ROADS AND 
  LIMITED VISIBILITIES. 

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

&&

$$

ORZ028-210000-
/O.CON.KMFR.WW.Y.0008.000000T0000Z-170121T0000Z/
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITY OF SISKIYOU SUMMIT
229 AM PST FRI JAN 20 2017

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

* SNOW ACCUMULATIONS...4 TO 8 INCHES. UP TO 10 INCHES POSSIBLE
  NEAR MOUNT ASHLAND. 

* TIMING...STEADY SNOW WILL CONTINUE THIS MORNING...THEN TAPER OFF
  THROUGH THE AFTERNOON. 

* LOCATIONS INCLUDE...MOUNT ASHLAND...INTERSTATE 5 NEAR SISKIYOU
  SUMMIT...HIGHWAY 66 EAST OF ASHLAND AND HIGHWAY 140 NEAR LAKE OF
  THE WOODS.

* IMPACTS...WET SNOW WILL PRODUCE HAZARDOUS TRAVEL CONDITIONS
  TODAY. SOME ROADS COULD BECOME IMPASSABLE. 

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION.

* CARRY TIRE CHAINS AND BE PREPARED FOR SNOW COVERED ROADS AND 
  LIMITED VISIBILITIES. 

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

&&

$$

BPN
794 
WWUS46 KMFR 202245
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
245 PM PST FRI JAN 20 2017

...A HEAVY...WET SNOWSTORM WILL MOVE INTO THE AREA SATURDAY NIGHT
AND CONTINUE INTO SUNDAY...

.A RELATIVE BREAK IN THE ACTION IS EXPECTED TONIGHT INTO 
SATURDAY. SNOW SHOWERS ARE STILL EXPECTED DURING THIS TIME, BUT 
NO SIGNIFICANT ACCUMULATIONS IS EXPECTED. A STRONG STORM WILL DUMP
ANOTHER ROUND OF HEAVY WET SNOW FOR MUCH OF SISKIYOU COUNTY AND 
PORTIONS OF MODOC COUNTY. THIS INCLUDE MOUNT SHASTA CITY. HEAVY 
SNOW WILL SIGNIFICANTLY IMPACT TRAVEL ALONG INTERSTATE 5 AND 
HIGHWAY 89...AND MAY DOWN TREES AND POWER LINES.

CAZ080-211200-
/O.UPG.KMFR.WS.A.0007.170122T0000Z-170123T0000Z/
/O.NEW.KMFR.WW.Y.0009.170122T0000Z-170123T0000Z/
/O.NEW.KMFR.WS.W.0006.170122T0000Z-170123T0000Z/
/O.CON.KMFR.WS.W.0005.000000T0000Z-170121T0000Z/
/O.CON.KMFR.WW.Y.0008.000000T0000Z-170121T0000Z/
WESTERN SISKIYOU COUNTY-
INCLUDING THE CITIES OF ETNA AND FORT JONES
245 PM PST FRI JAN 20 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER STORM WARNING IN EFFECT FROM 4 PM SATURDAY TO 4 PM PST
SUNDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM SATURDAY TO 4 PM
PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM SATURDAY TO
4 PM PST SUNDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. 
THIS WINTER WEATHER ADVISORY FOR SNOW...IS IN EFFECT FROM 4 PM 
SATURDAY TO 4 PM PST SUNDAY. THE WINTER STORM WATCH IS NO LONGER 
IN EFFECT. 

* SNOW ACCUMULATIONS IN THE WARNING AREA...8 TO 12 INCHES. UP TO 
  20 INCHES OF NEW SNOW IS EXPECTED IN THE MOUNTAINS. 

* SNOW ACCUMULATIONS IN THE ADVISORY AREA...3 TO 6 INCHES. WITH
  LOCAL AMOUNTS UP TO 8 INCHES. 

* LOCATIONS IN THE WARNING AREA INCLUDE...HIGH TERRAIN OF WESTERN
  SISKIYOU COUNTY...INCLUDING STATE HIGHWAY 3 OVER SCOTT MOUNTAIN
  SUMMIT...SAWYERS BAR ROAD BETWEEN ETNA AND SAWYERS BAR...AND
  HIGHWAY 3 NEAR CALLAHAN.  

* LOCATIONS IN THE ADVISORY AREA INCLUDE: PORTIONS OF THE SCOTT VALLEY...
  INCLUDING FORT JONES. 

* TIMING...SNOW SHOWERS WILL TAPER OFF THIS EVENING. HEAVY SNOW
  WILL ARRIVE SATURDAY NIGHT CONTINUE INTO SUNDAY. 

* IMPACTS...HEAVY WET SNOW WILL PRODUCE EXTREMELY HAZARDOUS TRAVEL
  CONDITIONS DUE TO LOW VISIBILITY AND SNOW PACKED ROADS. SOME 
  ROADS COULD BECOME IMPASSABLE. THE HEAVY...WET SNOW COULD ALSO 
  SNAP TREE LIMBS AND DOWN POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.

&&

$$

CAZ083-211200-
/O.UPG.KMFR.WS.A.0007.170122T0000Z-170123T0000Z/
/O.NEW.KMFR.WW.Y.0009.170122T0000Z-170123T0000Z/
/O.NEW.KMFR.WS.W.0006.170122T0000Z-170123T0000Z/
/O.CON.KMFR.WS.W.0005.000000T0000Z-170121T0000Z/
/O.CON.KMFR.WW.Y.0008.000000T0000Z-170121T0000Z/
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITY OF TENNANT
245 PM PST FRI JAN 20 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER STORM WARNING IN EFFECT FROM 4 PM SATURDAY TO 4 PM PST
SUNDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM SATURDAY TO 4 PM
PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM SATURDAY TO
4 PM PST SUNDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. 
THIS WINTER WEATHER ADVISORY FOR SNOW...IS IN EFFECT FROM 4 PM 
SATURDAY TO 4 PM PST SUNDAY. THE WINTER STORM WATCH IS NO LONGER 
IN EFFECT. 

* SNOW ACCUMULATIONS IN THE WARNING AREA...8 TO 12 INCHES. UP TO
  20 INCHES OF NEW SNOW IS EXPECTED ABOVE 3000 FEET.  

* SNOW ACCUMULATIONS IN THE ADVISORY AREA...3 TO 6 INCHES WITH
  LOCAL AMOUNTS UP TO 8 INCHES. 

* LOCATIONS IN THE WARNING AREA INCLUDE...HIGHWAY 97 NORTHEAST OF
  WEED AND TENNANT. 

* LOCATIONS IN THE ADVISORY AREA INCLUDE...HIGHWAY 97 SOUTH OF
  MACDOEL

* WINDS: SOUTH 30 TO 40 MPH WITH GUST TO 55 MPH IN EXPOSED AREAS. 

* TIMING...SNOW SHOWERS WILL TAPER THIS EVENING. HEAVY SNOW WILL
  ARRIVE SATURDAY NIGHT AND CONTINUE INTO SUNDAY AFTERNOON.  

* IMPACTS...HEAVY WET SNOW WILL PRODUCE EXTREMELY HAZARDOUS TRAVEL
  CONDITIONS DUE TO LOW VISIBILITY AND SNOW PACKED ROADS. SOME 
  ROADS COULD BECOME IMPASSABLE. THE HEAVY...WET SNOW COULD ALSO 
  SNAP TREE LIMBS AND DOWN POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.

&&

$$

CAZ081-211200-
/O.NEW.KMFR.WS.W.0006.170122T0000Z-170123T0000Z/
/O.NEW.KMFR.WW.Y.0009.170122T0000Z-170123T0000Z/
/O.CON.KMFR.WS.W.0005.000000T0000Z-170121T0000Z/
/O.CON.KMFR.WW.Y.0008.000000T0000Z-170121T0000Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITIES OF YREKA AND WEED
245 PM PST FRI JAN 20 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER STORM WARNING IN EFFECT FROM 4 PM SATURDAY TO 4 PM PST
SUNDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM SATURDAY TO 4 PM
PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM SATURDAY TO
4 PM PST SUNDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. 
THIS WINTER WEATHER ADVISORY FOR SNOW...IS IN EFFECT FROM 4 PM 
SATURDAY TO 4 PM PST SUNDAY. 

* SNOW ACCUMULATIONS IN THE WARNING AREA...8 TO 12 INCHES...WITH
  UP TO 15 INCHES IN THE HIGHER ELEVATIONS. 

* SNOW ACCUMULATIONS IN THE ADVISORY AREA...3 TO 6 INCHES. 

* LOCATIONS IN THE WARNING AREA INCLUDE...INTERSTATE 5...HIGHWAY
  97 NEAR WEED...HIGHWAY 3 WEST OF YREKA AND THE CITY OF WEED.

* LOCATIONS IN THE ADVISORY AREA INCLUDE...INTERSTATE 5 BETWEEN
  HILT AND GAZELLE...YREKA AND MONTAGUE.

* WINDS...SOUTH INCREASING TO 35 TO 50 WITH GUSTS TO 60 MPH
  SATURDAY EVENING AND STRONGEST NEAR WEED. 

* TIMING...MODERATE TO HEAVY SNOW WILL ARRIVE SATURDAY NIGHT AND
  CONTINUE INTO SUNDAY AFTERNOON. 

* IMPACTS...HEAVY WET SNOW WILL PRODUCE HAZARDOUS TRAVEL
  CONDITIONS DUE TO LOW VISIBILITY AND SNOW PACKED ROADS. SOME 
  ROADS COULD BECOME IMPASSABLE. THE HEAVY...WET SNOW COULD ALSO 
  SNAP TREE LIMBS AND DOWN POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.


&&

$$

CAZ082-211200-
/O.UPG.KMFR.WS.A.0007.170122T0000Z-170123T0000Z/
/O.NEW.KMFR.WS.W.0006.170122T0000Z-170123T0000Z/
/O.CON.KMFR.WS.W.0005.000000T0000Z-170121T0000Z/
SOUTH CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITIES OF MOUNT SHASTA, DUNSMUIR, AND MCCLOUD
245 PM PST FRI JAN 20 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER STORM WARNING IN EFFECT FROM 4 PM SATURDAY TO 4 PM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM SATURDAY TO
4 PM PST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

* SNOW ACCUMULATIONS...1 TO 2 FEET OF SNOW TO THE MT. SHASTA AREA AND
  UP TO 3 FEET IN MOUNTAINS ABOVE 5000 FEET. 

* TIMING...SNOW WILL TAPER THIS EVENING. HEAVY SNOW WILL ARRIVE
  SATURDAY NIGHT AND CONTINUE INTO SUNDAY AFTERNOON. 

* LOCATIONS INCLUDE...MOUNT SHASTA...MCCLOUD...INCLUDING 
  INTERSTATE 5 AND HIGHWAY 89. 

* IMPACTS...HIGH SNOWFALL RATES AND VERY HEAVY SNOW TOTALS MAY
  CREATE DIFFICULT TRAVEL CONDITIONS INCLUDING SNOW PACKED OR
  IMPASSABLE ROADS AND LOW VISIBILITY. THE HEAVY...WET SNOW COULD
  ALSO SNAP TREE LIMBS AND DOWN POWER LINES.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* IF YOU MUST TRAVEL... KEEP TIRE CHAINS... A FLASHLIGHT... 
  BLANKETS... FOOD... WATER... MEDICATIONS... AND A FULLY 
  CHARGED PHONE WITH YOU. 

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER STORM WARNING FOR HEAVY SNOW MEANS THAT SEVERE WINTER 
  WEATHER IS IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. 
  TAKE PROTECTIVE ACTION NOW. 

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.

&&

$$

CAZ085-211200-
/O.NEW.KMFR.WS.W.0006.170122T0000Z-170123T0000Z/
/O.NEW.KMFR.WW.Y.0009.170122T0000Z-170123T0000Z/
/O.CON.KMFR.WW.Y.0008.000000T0000Z-170121T0000Z/
MODOC COUNTY-
245 PM PST FRI JAN 20 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER STORM WARNING IN EFFECT FROM 4 PM SATURDAY TO 4 PM PST
SUNDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM SATURDAY TO 4 PM
PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM SATURDAY TO
4 PM PST SUNDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. 
THIS WINTER WEATHER ADVISORY FOR SNOW...IS IN EFFECT FROM 4 PM 
SATURDAY TO 4 PM PST SUNDAY. 

* SNOW ACCUMULATIONS IN THE WARNING AREA...6 TO 12 INCHES. 

* SNOW ACCUMULATIONS IN THE ADVISORY AREA...3 TO 6 INCHES.

* WINDS...SOUTH 20 TO 35 WITH GUST TO 45 MPH.

* TIMING...MODERATE TO HEAVY SNOW WILL ARRIVE SATURDAY NIGHT AND
  CONTINUE INTO SUNDAY. WINDS WILL BE STRONGEST SATURDAY NIGHT
  INTO SUNDAY. 

* LOCATIONS IN THE WARNING AREA INCLUDE...HIGHWAY 299 EAST OF 
  ALTURAS.

* LOCATIONS IN THE ADVISORY AREA INCLUDE...ALTURAS...CAMBY AND 
  HIGHWAYS 395 AND 139.

* IMPACTS...MODERATE TO HEAVY WET SNOW WILL PRODUCE HAZARDOUS
  TRAVEL CONDITIONS DUE TO LOW VISIBILITY AND SNOW COVERED ROADS.
  SOME ROADS COULD BECOME IMPASSABLE. THE HEAVY...WET SNOW COULD 
  ALSO SNAP TREE LIMBS AND DOWN POWER LINES. 

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION.

* CARRY TIRE CHAINS AND BE PREPARED FOR SNOW COVERED ROADS AND 
  LIMITED VISIBILITIES. 

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES. 

* TRAVEL IS STRONGLY DISCOURAGED BECAUSE OF DANGEROUS CONDITIONS.

* IF YOU MUST TRAVEL, KEEP TIRE CHAINS, A FLASHLIGHT, BLANKETS, 
  FOOD, WATER, MEDICATIONS, AND A FULLY CHARGED PHONE WITH YOU.

* THE SAFEST PLACE DURING A WINTER STORM IS INDOORS.

* A WINTER STORM WARNING MEANS THAT SEVERE WINTER WEATHER IS
  LIKELY AND POSES A THREAT TO LIFE AND PROPERTY. TAKE PROTECTIVE
  ACTION NOW.

&&

$$

ORZ028-211200-
/O.NEW.KMFR.WW.Y.0009.170122T0000Z-170123T0000Z/
/O.CON.KMFR.WW.Y.0008.000000T0000Z-170121T0000Z/
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF HOWARD PRAIRIE AND SISKIYOU SUMMIT
245 PM PST FRI JAN 20 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM SATURDAY TO 4 PM
PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 4 PM SATURDAY
TO 4 PM PST SUNDAY. 

* SNOW ACCUMULATIONS...4 TO 8 INCHES. UP TO A FOOT INCHES POSSIBLE
  NEAR MOUNT ASHLAND. 

* WINDS...SOUTH 40 TO 60 WITH GUST TO 70 MPH POSSIBLE OVER THE
  EXPOSED HIGHER TERRAIN. 

* TIMING...MODERATE TO HEAVY SNOW WILL ARRIVE SATURDAY NIGHT AND
  CONTINUE INTO SUNDAY. 

* LOCATIONS INCLUDE...MOUNT ASHLAND...INTERSTATE 5 NEAR SISKIYOU 
  SUMMIT...HIGHWAY 66 EAST OF ASHLAND AND HIGHWAY 140 NEAR LAKE 
  OF THE WOODS. 

* IMPACTS...WET SNOW WILL PRODUCE HAZARDOUS TRAVEL CONDITIONS.
  ROADS WILL BECOME SNOW COVERED. SOME ROADS COULD BECOME IMPASSABLE.

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* SLOW DOWN AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION.

* CARRY TIRE CHAINS AND BE PREPARED FOR SNOW COVERED ROADS AND 
  LIMITED VISIBILITIES. 

* SEE WEATHER.GOV/MEDFORD/CAMS FOR LATEST ROAD CONDITIONS.

* A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW 
  WILL CAUSE TRAVEL DIFFICULTIES.

&&

$$

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 Medford, OR wrote its last area forecast discussion before this winter storm warning went out at Jan 18, 9:20 PM PST, 5 hours 47 minutes earlier.

Area forecast discussion, Jan 18, 9:20 PM PST, 5 hours 47 minutes before
Area Forecast Discussion
National Weather Service Medford OR
920 PM PST Wed Jan 18 2017

...Heavy, Wet Snow Expected over Siskiyou County and southern
Oregon Cascades including Siskiyou Summit Tonight...

...Discussion...Evening update. Snow continues in Northern
California with decreasing precip rates northward, and will not
update this portion of the forecast. The South Fork of the Coquille
at Powers spike quickly to near 11 feet, indicating flooding at
Myrtle Point and the Coquille at Coquille and have issued flood
warnings for those points. The Rogue at Grants Pass was also
climbing higher and the River Forecast Center adjusted the rogue
at Agness to go briefly above flood as well. Sven

.SHORT TERM...Tonight through Friday night...Ground truth
observations from spotters and web cameras are continuing to
report heavy snowfall across the Cascades and Siskiyous above 3500
feet. This is prior to the frontal passage, which satellite
imagery indicates that it is still just offshore. The lower than
forecast snow levels are largely due to the heavy precipitation
which are lowering snow levels. Observations at Mt. Shasta city
are indicative of very heavy snowfall continuing to fall, and at the
writing of this discussion, CalTrans has closed Northbound
Interstate 5 at Dunsmuir for heavy snowfall at Mount Shasta City.
With the observed snowfall, have expanded the Winter Storm Warnings
and Winter Weather Advisories to include Siskiyou summit and much of
the Cascades. Additionally, we will need to take a closer look as
the situation unfolds near Chemult, as highway 97 could also see
travel difficulties due to snow.

In addition to the plethora of winter weather headlines, strong
winds are continuing around the normal windier spots. Although
the observations are showing diminishing winds and the gradients
are starting to ease, pressure is still dropping east of the
Cascades, and our advisory and warning areas could see another
round brief strong wind gusts. Therefore, have decided to leave
the various wind advisories and high wind warnings to continue
through the evening (and overnight for the Eastside).

In addition to the heavy snows, heavy rain is still coming down
at the coast and western Siskiyou County. Have left in the
thunderstorm chances in the coastal waters and for the immediate
coast, but offno thunderstorms have actually taken shape with the
exception of the cell around 130W from earlier today. The rainfall
will start to lighten up later this evening before becoming
showery in nature tomorrow morning. There will be a relative
break in the precipitation on Thursday. The exception to this is
for Mt. Shasta area, which will see precipitation rates and
amounts lightening up, but still going due to upslope flow for
most of the day.

The next system in this very active pattern will arrive Thursday
night into Friday. The Friday system is not expected to bring as
much rain, snow, and wind to the area as today's system. That
being said, the setup is such that upslope flow near Mount Shasta
could generate an additional foot of snow with this system.

Furthermore, winds could also become breezy in the higher
elevations near the Rogue Valley such as Ashland and for the
Cascades and east, but winds will remain below advisory levels.

The general thought process regarding the forecast for the winds
and precipitation with the Friday system is a blend of the ECMWF
and the NAM to the previous forecast while adding additional
upslope effects near the Mt. Shasta area. Friday night will bring
the next short break as this active pattern continues in the long
term. -Schaaf

.LONG TERM....Saturday through Wednesday. Yet another strong
frontal system will affect our area over the weekend. This storm
may be the strongest in the sequence in terms of winds, as models
all show deepening low pressure recurving along the PacNW coast
Saturday night into Sunday. There are differences between the
models regarding timing, strength, and track of this low pressure,
all of which would have a big impact on the weather we ultimately
experience. Nevertheless, all are impressive enough to warrant
keeping an eye on this storm.

Snow levels will be relatively low with this storm, and dynamics may
be quite high, thus the biggest impacts are expected to be from snow
and wind. Snow is expected to be heaviest over the NorCal mountains,
especially around Mt. Shasta City, where more than a foot could
easily fall. Strong winds will affect the usual spots (waters,
coast, east side, Shasta Valley), but we may also get winds down
into the west side valleys Sunday morning.

This is not to say rain won't be an issue, because it will be heavy
along the south coast and adjacent mountains. However, low snow
levels should lock much of this liquid up in the mountains, and QPF
amounts at the coast are not all that unusual for a winter storm.

Showers may linger into early next week, and some models hint at
another wave of low pressure forming in conjunction with the
departing upper wave Monday night, but confidence with that is low.
Beyond this, a ridge is expected to build, which should give us a
much needed break from the inclement weather. -Wright

&&

.AVIATION...18/18Z TAF CYCLE...Conditions on the west side will
be a mix of VFR and MVFR in light to moderate rain as a front
moves across the area this afternoon. Occasional IFR conditions
are possible during the heaviest precipitation. IFR conditions are
more likely where precipitation falls as snow which includes the
mountains and portions of the east side tonight as snow levels
fall behind the front. Gusty south winds will continue all areas
until the front passes. -Wright

&&

.MARINE...Updated 300 PM PST Wednesday 18 January 2017...Strong
south winds will diminish late this afternoon from northwest to
southeast as a front moves onshore. Seas will take longer to
subside and they will remain hazardous through Thursday. Winds
will be relatively light Thursday, but the next front will bring
another period of gale to occasionally storm force winds and very
steep seas Thursday night into Friday morning. All major models
are suggesting gales now, and confidence has grown with this
upcoming gale event. Behind this front, long period extremely high
west swell of 25 to 30 feet is expected late Friday into Saturday.
Confidence is high for this as this is the third day in a row that
models have shown this height range of seas.

Models are suggesting a period of high pressure and lower winds and
seas by the middle of next week. CC/SK

&&

.PREV DISCUSSION... /Issued 932 AM PST Wed Jan 18 2017/

UPDATE...Heavy, Wet Snow Expected in the Mount Shasta Region
Today into Tonight...

After taking a closer look at Satellite and lightning
observations, it appears as if there is lightning around 130
degrees W. The NAM is resolving this feature relatively well, and
have added a slight chance of thunder to the coastal waters
beginning at 1 PM. If the NAM is to be believed at face value, we
could end up with a squall line off our shores this afternoon.
This will need to be closely monitored as the day progresses.

Otherwise, satellite observations show that the atmospheric river
(AR) is a bit messier than one would expect in a classic sense.
This is likely due to the AR combining with a low pressure system
centered around 47 degrees N and 138 degrees W. In addition, water
vapor satellite imagery is showing an intermediary shortwave that
is moving into southern Oregon and northern California bringing
more precipitation. Radar imagery seems to confirm this trend
today. There may be a short break in the precipitation in Oregon
before the main front comes in today. Northern California, on the
other hand, will see precipitation most of the day--if not all of
it-- since the AR will continue to affect it.

The other big news to note is that most of the high temperatures
expected for today have already occurred early this morning. The
Medford Airport reported a high temperature of 54 degrees at 4:00
AM. Temperatures may rise somewhat today, but are likely not going
to reach the highs already seen earlier this morning. Regardless
of these new features which were not well-resolved by the models,
the forecast remains on track. -Schaaf

PREV DISCUSSION... /Issued 356 AM PST Wed Jan 18 2017/

.Heavy, Wet Snow Expected in the Mount Shasta Region Today
into Tonight...

DISCUSSION...A strong frontal system will move onshore today
bringing with it plenty of hazardous weather. Strong upslope flow
into the Mount Shasta region of Siskiyou County will begin in
earnest this morning, leading to very heavy, wet snow and causing
significant travel impacts along Interstate 5 from Weed southward
to Dunsmuir. We have already received reports of snow falling in
and around Mount Shasta City at this early hour, so the
expectation is when the stronger south winds (60-65kt) at 700 mb
arrive later this morning, precipitation will become steadier and
heavier allowing snow levels to fall all the way down to 2500 feet
south of Weed. Snowfall rates could exceed 1" per hour at times
this afternoon into early this evening before snow tapers off
later this evening and overnight. We have increased snow amounts
to 12-18" since we are expecting most, if not all, of the
precipitation to fall as snow. Up to 2 feet of snow could
accumulate near Snowman Summit along highway 89. Needless to say,
travel will be extremely hazardous in this area today, so please
avoid this area if you can. Snow will also fall over the
Siskiyous and Cascades - please see WSWMFR for all the details.

Another element to this storm is wind. We have observed wind
gusts this morning along the coast in excess of 80 mph (Flynn
Prairie RAWS at 1543 feet had a gust to 86 mph around 09z). Many
other stations have reported gusts of 55 to 65 mph. Strong winds
are also occurring in the Shasta Valley near Weed. The high winds
will also impact the higher terrain and much of the east side
through this evening. Wind headlines can be viewed at NPWMFR.
Expect winds to diminish first at the coast this afternoon and
overnight over the east side as the strong upper level winds push
to the east of the forecast area.

Meanwhile, a band of very heavy precipitation associated with a
deep moist plume extends from Douglas and Coos counties
southwestward offshore. Peak rainfall rates in this band are
between 0.50 and 0.75 of an inch per hour. Have maintained the
areal flood watch for Curry, western Josephine and far western
Siskiyou Counties with the expectation there will be at least some
urban and small stream/creek flooding associated with this band of
rain this morning through late this afternoon/evening.

After today and tonight's storm, we get a brief break Thursday.
-Spilde

Thursday night through Tuesday...A very active pattern continues.
Another strong frontal system will move through our area Thursday
night and Friday bringing heavy precipitation and strong winds.
Snow levels will be lower than preceding systems (around 3500
feet), so heavy snow is much more likely to produce impacts in the
mountains this time around. While wind, heavy rain, and snow
headlines are almost a given with this system, we will wait for
the current system to run its course before hoisting another large
set of hazard products. The moisture plume will be aimed at us
through the day Friday and into Saturday, Thus the coast will
continue to see heavy rainfall, with snow over the mountains.

There may be a brief break Saturday before the next system barrels
in Saturday night and Sunday. The models are in decent agreement
that this system could be a whopper in terms of wind with all
showing strong and deepening low pressure moving inside 130W. The
strongest by far is the Canadian, and it shows low pressure
exploding down to 965 millibars as it curves north just inside 130W
roughly off of Coos Bay. The other models have more of a double-
barreled low pressure system, which we've seen sap a lot of energy
out of our recurving systems before. This will bear watching as the
stronger solutions could produce a significant wind storm. We won't
get too excited just yet, but I did ramp up winds and pops for
Sunday. Sunday's system will probably be the last really strong one
for a while, but models do suggest cool, damp weather continuing
into next week. -Wright

AVIATION...18/12Z TAF CYCLE...Conditions are deteriorating at the
coast this morning as winds and rain increase, and MVFR/IFR ceilings
develop. At the moment,  winds are too strong to support fog from
forming at the coast and well to dry for any low level visibility
restrictions in the west side valleys.

For the remainder of the day,  there is plenty of instability and
moisture feeding into the area, so widespread rain showers are
expected at all terminals and east of the Cascades. Eventually, LMT
will see a changeover to snow Wednesday evening as cooler air moves
in. Winds will continue as the low approaches the coast today , yet
diminish in the late evening into early morning as it lifts up the
coast.

CIGS during Wednesday will remain in MVFR categories and obscure
mountains.  With the winds diminishing, and ample low level
moisture, fog will come back into the forecast Wednesday night.
However, low level clouds at some sites may prevent fog from
forming, so kept it out of the forecast at MFR and LMT for this TAF
cycle.

-Smith

MARINE...Updated 300 AM PST Wednesday 18 January 2017...Storm force
winds and very high and very steep seas  will continue this morning
into early this afternoon. Combined southerly wind waves and west
swell will bring very steep 18 to 26 ft seas this morning.
Individual waves near forty feet have been observed at buoy 229 and
when seas peak individual waves in excess of 50 feet are possible.
South winds will gradually lower from west to east across the
coastal waters this afternoon. However, areas of gale force winds
will continue to impact the waters this afternoon within 20 nm of
shore with very steep hazardous seas and small craft winds will
impact areas beyond 20 nm from shore. Winds will lower below small
craft levels this evening. Seas will gradually lower late this
afternoon but remain very steep into early this evening.  Tonight
and Thursday, expect steep seas around 14 to 16 feet dominated by
13 seconds west swell.

Another strong front is expected Thursday night and Friday morning.
This front may bring areas of strong gales, with best chances for
gales across the waters beyond 10 nm from shore and near Cape
Blanco. Additionally very high long period west swell will build
into the waters behind this front late Friday and Saturday, peaking
in the 25 to 30 foot range at a period of 17 to 18 seconds Friday
night and Saturday. This will bring extremely dangerous conditions
to the waters, bars, and coastline as these very high and very steep
seas build into the waters.

The active pattern continues into the weekend with a third strong
frontal system bringing the potential for additional strong winds
and very high and very steep seas. -CC

&&

.MFR WATCHES/WARNINGS/ADVISORIES...
OR...High Wind Warning until 4 AM PST Thursday for ORZ030-031.
     Wind Advisory until 4 AM PST Thursday for ORZ029>031.
     Winter Storm Warning until 4 AM PST Thursday for ORZ027-028.
     High Wind Warning until 4 PM PST this afternoon for ORZ021-022.
     Flood Watch through late tonight for ORZ022-024.
     High Surf Advisory until 7 PM PST this evening for ORZ021-022.
     Wind Advisory until 6 PM PST this evening for ORZ026.

CA...High Wind Warning until 4 AM PST Thursday for CAZ085.
     Wind Advisory until 4 AM PST Thursday for CAZ084-085.
     Flood Watch through late tonight for CAZ080.
     Winter Storm Warning until 4 AM PST Thursday for CAZ082-083.
     Winter Storm Warning until 4 AM PST Thursday for CAZ080.
     High Wind Warning until 7 PM PST this evening for CAZ081.
     Winter Weather Advisory until 4 AM PST Thursday for CAZ081.
     Wind Advisory until 7 PM PST this evening for CAZ081.

Pacific Coastal Waters...Gale Watch from Thursday afternoon through
late Thursday night      for PZZ350-356-370-376.      Small Craft
Advisory for hazardous seas until 4 AM PST Friday      for PZZ350-
356-370-376.      Gale Warning until 4 PM PST this afternoon for
 PZZ350-356-370-376.      Hazardous Seas Warning until 10 PM PST
this evening for      PZZ350-356-370-376.      Hazardous Seas
Warning from 4 AM Friday to 4 AM PST Sunday for      PZZ350-356-370-
376.

BMS/TRW/NSK

In the hours before

Local storm report, Jan 19, 12:15 AM PST, 2 hours 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
1215 AM PST THU JAN 19 2017

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

1200 AM     HEAVY RAIN       GLENDALE                42.74N 123.43W
01/19/2017  M3.08 INCH       DOUGLAS            OR   TRAINED SPOTTER

            . THE DURATION OF THE HEAVY RAIN EVENT WAS
            24 HOURS.

&&

NWS MEDFORD OR
IRIS SYSTEM

The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 19, 12:17 AM PSTWinter Storm WatchMFRSiskiyou3 hr
Jan 19, 2:07 PM PSTHigh Wind WatchMFRModoc, Siskiyou37 hr
Jan 19, 2:42 PM PSTWinter Storm WatchMFRSiskiyou24 hr
Jan 19, 2:42 PM PSTWinter Weather AdvisoryMFRModoc, Siskiyou25 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.