Alert archive / Oregon / Winter Storm Warnings in 2016

Winter Storm Warning 9, NWS Medford, OR

December 13, 20165 counties in Oregon; Siskiyou County, California

NWS Medford, OR issued this winter storm warning at Dec 13, 2016, 2:43 PM PST for 5 counties in Oregon; Siskiyou County, California. It took effect at Dec 13, 2016, 4:00 PM PST. It was in force for 24 hr. 12 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
Dec 13, 2016, 2:43 PM PST (22:43 UTC)
In effect from
Dec 13, 2016, 4:00 PM PST
Expired
Dec 14, 2016, 4:00 PM PST
In force
24 hr
Issued by
NWS Medford, OR

Counties Siskiyou County, CA, Douglas County, OR, Jackson County, OR, Josephine County, OR, Klamath County, OR, Lake County, OR

The radar

The Medford radar (KMAX), 58 km from the middle of the area, began a volume at 22:46 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
Dec 14, 6:00 AM PSTSNOW 64 E Olene, OR13 EAST OF KLAMATH FALLS.
Dec 14, 6:11 AM PSTSNOW 6.32 N Klamath Falls, ORSNOWFALL SINCE 8 PM PST 12/13/16.
Dec 14, 7:32 AM PSTHEAVY SNOW 69 Sse Summer Lake, ORREPORTED VISIBILITY DOWN TO 1/4 MILE.
Dec 14, 8:00 AM PSTSNOW 51 Ese Klamath Falls, OR.
Dec 14, 8:00 AM PSTSNOW 64 Wsw Klamath Falls, ORSPOTTER REPORTS A SNOWFALL AMOUNT OF 6 INCHES BEFORE THINGS TURNED TO RAIN. THE 48-HOUR LIQUID EQUIVALENT ENDING 8:00 AM 12/15/2016 WAS 1.81.
Dec 14, 8:40 AM PSTSNOW 4Klamath Falls, ORSNOW CHANGED TO RAIN AROUND 7 AM. .
Dec 14, 8:42 AM PSTSNOW 5Lakeview, ORODOT IN LAKEVIEW REPORTED THAT SNOW HAD JUST TURNED TO RAIN AND IT WAS STILL SNOWING JUST NORTH OF TOWN. .
Dec 14, 8:42 AM PSTSNOW 84 Nne Lakeview, ORODOT REPORTS 8 INCHES OF SNOW ON WARNER MOUNTAIN PASS (ELEVATION 5650 FEET).
Dec 14, 8:42 AM PSTSNOW 1213 Ese Bly, ORODOT REPORTS 12 INCHES OF SNOW AT QUARTZ MOUNTAIN PASS ON HIGHWAY 140 (ELEVATION 5550 FEET).
Dec 14, 10:54 AM PSTHEAVY SNOW 101 W Crescent, OR. THE DURATION OF THE HEAVY SNOW EVENT WAS 14 HOURS.
Dec 14, 12:15 PM PSTSNOW 124 Sw Chiloquin, ORAGENCY LAKE AREA OF CHILOQUIN. STILL SNOWING. .
Dec 14, 2:05 PM PSTHEAVY SNOW 129 Sse Summer Lake, ORSINCE 4 AM.

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

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 10.7 hours before the alert went out and 42 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 12:00Z on 2016-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 12:00Z on 2016-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
473 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

774 
WWUS46 KMFR 132243
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
243 PM PST TUE DEC 13 2016

...MODERATE TO HEAVY SNOW THIS EVENING INTO WEDNESDAY...

.A WARM FRONT WILL BRING MODERATE TO HEAVY SNOWFALL THIS EVENING
INTO WEDNESDAY. SNOW WILL SPREAD FROM SOUTH TO NORTH OVER
PORTIONS OF NORTHERN CALIFORNIA...THE SISKIYOUS AND CASCADES...AND
AREAS EAST OF THE CASCADES. SNOW LEVELS WILL INITIALLY START AT
AROUND 4000 FEET AND THEN RISE TO 6000 TO 7000 FEET ON
WEDNESDAY...SO MANY AREAS WILL SEE A CHANGEOVER FROM SNOW TO RAIN
ON WEDNESDAY. VERY COLD AIR WILL FOLLOW BEHIND A COLD FRONT ON
THURSDAY.

ORZ029>031-141415-
/O.UPG.KMFR.WS.A.0009.161214T0600Z-161215T0000Z/
/O.NEW.KMFR.WW.Y.0033.161214T0300Z-161214T1800Z/
/O.NEW.KMFR.WS.W.0009.161214T0300Z-161215T0000Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ALTAMONT...KLAMATH FALLS...BEATTY...
BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER...LAKEVIEW
243 PM PST TUE DEC 13 2016

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 4 PM
PST WEDNESDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
10 AM PST WEDNESDAY...

* WARNING SNOW ACCUMULATIONS...6 TO 12 INCHES...WITH UP TO 18
  INCHES IN CHEMULT.

* ADVISORY SNOW ACCUMULATIONS...3 TO 5 INCHES.

* WINDS...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH
  WEDNESDAY AFTERNOON AS SNOW BEGINS TO CHANGE TO RAIN. 

* TIMING...SNOW WILL BEGIN THIS EVENING AND CHANGE TO RAIN WEDNESDAY
  MORNING OR WEDNESDAY AFTERNOON IN NORTHERN LAKE AND KLAMATH
  COUNTIES.

* WARNING LOCATIONS INCLUDE...HIGHWAY 97 FROM KLAMATH FALLS TO
  CRESCENT...PORTIONS OF HIGHWAY 140 FROM KLAMATH FALLS TO
  LAKEVIEW...HIGHWAY 31 INCLUDING PAISLEY AND SILVER LAKE.

* ADVISORY LOCATIONS INCLUDE...HIGHWAY 97 SOUTH OF KLAMATH
  FALLS...MERRILL. 

* IMPACTS...VERY HEAVY SNOWFALL MAY MAKE AREA ROADS AND HIGHWAYS 
  IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE POSSIBLE AT TIMES... 
  ESPECIALLY IN THE MOUNTAINS AND NEAR SUMMER LAKE...DUE TO 
  FALLING AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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
  IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. TAKE
  PROTECTIVE ACTION NOW.

&&

$$

ORZ027-028-141415-
/O.UPG.KMFR.WS.A.0009.161214T0600Z-161215T0000Z/
/O.NEW.KMFR.WW.Y.0033.161214T0600Z-161214T1800Z/
/O.NEW.KMFR.WS.W.0009.161214T0300Z-161215T0000Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE
243 PM PST TUE DEC 13 2016

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 4 PM
PST WEDNESDAY ABOVE 5000 FEET...
...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST WEDNESDAY...

* WARNING SNOW ACCUMULATIONS...12 TO 24 INCHES IN THE CASCADES
  MAINLY ABOVE 5000 FEET.

* ADVISORY SNOW ACCUMULATIONS...8 TO 12 INCHES MAINLY BETWEEN 4000
  AND 5000 FEET ELEVATION. 3 TO 6 INCHES ARE EXPECTED AT SISKIYOU
  SUMMIT THIS EVENING.

* WINDS...INCREASING TO SOUTH 15 TO 25 MPH WITH GUSTS TO 35 MPH
  WEDNESDAY MORNING AND AFTERNOON...WITH HIGHER GUSTS POSSIBLE NEAR
  CRATER LAKE.

* TIMING...SNOW WILL BEGIN THIS EVENING AND CHANGE TO RAIN WEDNESDAY
  MORNING OR AFTERNOON...EXCEPT AREAS LIKE THE CRATER LAKE RIM
  WHERE CHANGEOVER TO RAIN IS LESS LIKELY.

* WARNING LOCATIONS INCLUDE...DIAMOND LAKE...CRATER LAKE. THIS
  INCLUDES HIGHWAY 62 NEAR CRATER LAKE...HIGHWAY 230...HIGHWAY 58
  AT WILLAMETTE PASS...HIGHWAY 138 AT DIAMOND LAKE SUMMIT...AND
  HIGHWAY 140 NEAR LAKE OF THE WOODS.

* ADVISORY LOCATIONS INCLUDE...PORTIONS OF HIGHWAY 62...140...AND
  66 BETWEEN 4000 AND 5000 FEET.

* IMPACTS...VERY HEAVY SNOWFALL IN THE WARNING AREA MAY MAKE ROADS
  AND HIGHWAYS IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE POSSIBLE
  AT TIMES...DUE TO FALLING AND BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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
  IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. TAKE
  PROTECTIVE ACTION NOW.

&&

$$

CAZ082-083-141415-
/O.NEW.KMFR.WS.W.0009.161214T0000Z-161214T1800Z/
/O.NEW.KMFR.WW.Y.0033.161214T0000Z-161214T1200Z/
SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITY OF...TENNANT
243 PM PST TUE DEC 13 2016

...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST WEDNESDAY ABOVE
5000 FEET...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST WEDNESDAY
ABOVE 4000 FEET...

* WARNING SNOW ACCUMULATIONS...6 TO 12 INCHES.

* ADVISORY SNOW ACCUMULATIONS...3 TO 5 INCHES.

* TIMING...SNOW BEGINS THIS EVENING AND WILL CHANGE TO RAIN
  WEDNESDAY MORNING. 

* WARNING LOCATIONS INCLUDE...HIGH ELEVATION AREAS IN SOUTHERN AND
  CENTRAL SISKIYOU COUNTY TO INCLUDE MOUNT SHASTA SKI AREA.

* ADVISORY LOCATIONS INCLUDE...HIGHWAY 89 AT SNOWMANS SUMMIT.

* IMPACTS...VERY HEAVY SNOWFALL IN THE WARNING AREA MAY MAKE AREA
  ROADS AND HIGHWAYS IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE
  POSSIBLE AT TIMES... DUE TO FALLING AND BLOWING SNOW.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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
  IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. TAKE
  PROTECTIVE ACTION NOW.

&&

$$

CAZ084-085-141200-
/O.NEW.KMFR.WW.Y.0033.161214T0000Z-161214T1200Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY-
INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTURAS
243 PM PST TUE DEC 13 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST WEDNESDAY...

* SNOW ACCUMULATIONS...3 TO 5 INCHES.

* TIMING...SNOW BEGINS THIS EVENING AND CHANGES TO RAIN WEDNESDAY
  MORNING.

* LOCATIONS INCLUDE...ALTURAS...HIGHWAY 395...139...AND 299.

* IMPACTS...SNOW COVERED ROADS AND LOW VISIBILITY ARE LIKELY.

* 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.

&&

$$

CAZ080-141200-
/O.NEW.KMFR.WW.Y.0033.161214T0000Z-161214T1200Z/
WESTERN SISKIYOU COUNTY-
243 PM PST TUE DEC 13 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST WEDNESDAY
ABOVE 4500 FEET...

* SNOW ACCUMULATIONS...3 TO 6 INCHES.

* TIMING...SNOW BEGINS THIS EVENING AND CHANGES TO RAIN WEDNESDAY
  MORNING. 

* LOCATIONS INCLUDE...ETNA SUMMIT ON SAWYERS BAR ROAD BETWEEN ETNA
  AND SAWYERS BAR.

* IMPACTS...SNOW COVERED ROADS AND LOW VISIBILITY ARE LIKELY.

* 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.

&&

$$
6 follow-up statements
442 
WWUS46 KMFR 141133
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
333 AM PST WED DEC 14 2016

...MODERATE TO HEAVY SNOW TODAY...

.A WARM FRONT WILL BRING MODERATE TO HEAVY SNOWFALL THIS MORNING
INTO THIS AFTERNOON. SNOW WILL SPREAD FROM SOUTH TO NORTH OVER
PORTIONS OF NORTHERN CALIFORNIA...THE SISKIYOUS AND CASCADES...
AND AREAS EAST OF THE CASCADES EARLY THIS MORNING. SNOW LEVELS
WILL INITIALLY START AT AROUND 4000 FEET AND THEN RISE TO 6000 TO
7000 FEET TODAY...SO MANY AREAS WILL SEE A CHANGEOVER FROM SNOW
TO RAIN. 

ORZ029>031-141945-
/O.CON.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
/O.CON.KMFR.WW.Y.0033.000000T0000Z-161214T1800Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ALTAMONT...KLAMATH FALLS...BEATTY...
BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER...LAKEVIEW
333 AM PST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

* WARNING SNOW ACCUMULATIONS...6 TO 12 INCHES...WITH UP TO 16 
  INCHES IN CHEMULT. 

* ADVISORY SNOW ACCUMULATIONS...3 TO 5 INCHES.

* WINDS...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH THIS
  AFTERNOON AS SNOW BEGINS TO CHANGE TO RAIN.

* TIMING...SNOWFALL WILL BE HEAVIEST THIS MORNING AND CHANGE TO
  RAIN LATE THIS MORNING AND EARLY THIS AFTERNOON...EXPECT IN
  NORTHERN LAKE AND KLAMATH COUNTIES WHERE SNOW WILL CHANGE TO
  RAIN LATE THIS AFTERNOON.

* WARNING LOCATIONS INCLUDE...HIGHWAY 97 FROM KLAMATH FALLS TO
  CRESCENT...PORTIONS OF HIGHWAY 140 FROM KLAMATH FALLS TO EAST
  OF LAKEVIEW...HIGHWAY 31 INCLUDING PAISLEY AND SILVER LAKE.

* ADVISORY LOCATIONS INCLUDE...HIGHWAY 97 SOUTH OF KLAMATH
  FALLS...MERRILL.

* IMPACTS...VERY HEAVY SNOWFALL MAY MAKE AREA ROADS AND HIGHWAYS 
  IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE POSSIBLE AT TIMES... 
  ESPECIALLY IN THE MOUNTAINS AND NEAR SUMMER LAKE...DUE TO 
  FALLING AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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 
  IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. TAKE 
  PROTECTIVE ACTION NOW. 

&&

$$

ORZ027-028-141945-
/O.CON.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
/O.CON.KMFR.WW.Y.0033.000000T0000Z-161214T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE
333 AM PST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 5000 FEET...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

* WARNING SNOW ACCUMULATIONS...12 TO 24 INCHES IN THE CASCADES
  MAINLY ABOVE 5000 FEET AND 10 TO 15 INCHES NEAR MOUNT ASHLAND IN
  THE SISKIYOUS.

* ADVISORY SNOW ACCUMULATIONS...8 TO 12 INCHES MAINLY BETWEEN 
  4000 AND 5000 FEET ELEVATION. 3 TO 6 INCHES ARE EXPECTED AT 
  SISKIYOU SUMMIT THIS EVENING. 

* WINDS...INCREASING TO SOUTH 15 TO 25 MPH WITH GUSTS TO 35 MPH BY
  LATE THIS MORNING AND THIS AFTERNOON...WITH HIGHER GUSTS
  POSSIBLE NEAR CRATER LAKE.

* TIMING...SNOW THIS MORNING WILL CHANGE TO RAIN LATE THIS MORNING
  INTO THIS AFTERNOON...EXCEPT AREAS LIKE THE CRATER LAKE RIM
  WHERE CHANGEOVER TO RAIN IS LESS LIKELY.

* WARNING LOCATIONS INCLUDE...DIAMOND LAKE...CRATER LAKE. THIS 
  INCLUDES HIGHWAY 62 NEAR CRATER LAKE...HIGHWAY 230...HIGHWAY 
  58 AT WILLAMETTE PASS...HIGHWAY 138 AT DIAMOND LAKE SUMMIT...
  AND HIGHWAY 140 NEAR LAKE OF THE WOODS. 

* ADVISORY LOCATIONS INCLUDE...PORTIONS OF HIGHWAY 62...140...
  AND 66 BETWEEN 4000 AND 5000 FEET. 

* IMPACTS...VERY HEAVY SNOWFALL IN THE WARNING AREA MAY MAKE 
  ROADS AND HIGHWAYS IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE 
  POSSIBLE AT TIMES...DUE TO FALLING AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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 
  IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. TAKE 
  PROTECTIVE ACTION NOW. 

&&

$$

CAZ082-083-141800-
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-161214T1400Z/
/O.CON.KMFR.WS.W.0009.000000T0000Z-161214T1800Z/
SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITY OF...TENNANT
333 AM PST WED DEC 14 2016

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM PST EARLY
THIS MORNING ABOVE 4000 FEET...
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 5000 FEET...

* WARNING SNOW ACCUMULATIONS...6 TO 12 INCHES ABOVE 5000 FEET.

* ADVISORY SNOW ACCUMULATIONS...3 TO 5 INCHES BETWEEN 4000 AND
  5000 FEET.

* TIMING...SNOW EARLY THIS MORNING WILL CHANGE TO RAIN BY LATE
  MORNING.

* WARNING LOCATIONS INCLUDE...HIGH ELEVATION AREAS IN SOUTHERN 
  AND CENTRAL SISKIYOU COUNTY TO INCLUDE MOUNT SHASTA SKI AREA. 

* ADVISORY LOCATIONS INCLUDE...HIGHWAY 89 AT SNOWMANS SUMMIT.

* IMPACTS...VERY HEAVY SNOWFALL IN THE WARNING AREA MAY MAKE 
  AREA ROADS AND HIGHWAYS IMPASSABLE. NEAR WHITEOUT CONDITIONS 
  ARE POSSIBLE AT TIMES... DUE TO FALLING AND BLOWING SNOW. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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 
  IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. TAKE 
  PROTECTIVE ACTION NOW. 

&&

$$

CAZ084-085-141400-
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-161214T1400Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY-
INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTURAS
333 AM PST WED DEC 14 2016

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM PST EARLY
THIS MORNING...

* SNOW ACCUMULATIONS...3 TO 5 INCHES.

* TIMING...SNOW EARLY THIS MORNING WILL CHANGE TO RAIN IN THE MID
  TO LATE MORNING.

* LOCATIONS INCLUDE...ALTURAS...HIGHWAY 395...139...AND 299.

* IMPACTS...SNOW COVERED ROADS AND LOW VISIBILITY ARE LIKELY.

* 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. 

&&

$$

CAZ080-141400-
/O.EXT.KMFR.WW.Y.0033.000000T0000Z-161214T1400Z/
WESTERN SISKIYOU COUNTY-
333 AM PST WED DEC 14 2016

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM PST EARLY
THIS MORNING ABOVE 4500 FEET...

* SNOW ACCUMULATIONS...3 TO 6 INCHES.

* TIMING...SNOW WILL CHANGE TO RAIN IN THE MID MORNING.

* LOCATIONS INCLUDE...ETNA SUMMIT ON SAWYERS BAR ROAD BETWEEN 
  ETNA AND SAWYERS BAR. 

* IMPACTS...SNOW COVERED ROADS AND LOW VISIBILITY ARE LIKELY.

* 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. 

&&

$$
153 
WWUS46 KMFR 141351
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
551 AM PST WED DEC 14 2016

...MODERATE TO HEAVY SNOW TODAY...

.A WARM FRONT WILL BRING MODERATE TO HEAVY SNOWFALL THIS MORNING
INTO THIS AFTERNOON. SNOW WILL SPREAD FROM SOUTH TO NORTH OVER
PORTIONS OF NORTHERN CALIFORNIA...THE SISKIYOUS AND CASCADES...
AND AREAS EAST OF THE CASCADES THIS MORNING. SNOW LEVELS WILL
INITIALLY START AT AROUND 4000 FEET AND THEN RISE TO 6000 TO 7000
FEET TODAY...SO MANY AREAS WILL SEE A CHANGEOVER FROM SNOW TO
RAIN.

CAZ082-083-141800-
/O.EXP.KMFR.WW.Y.0033.000000T0000Z-161214T1400Z/
/O.CON.KMFR.WS.W.0009.000000T0000Z-161214T1800Z/
SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITY OF...TENNANT
551 AM PST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 5000 FEET...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 AM PST EARLY THIS
MORNING ABOVE 4000 FEET...

* WARNING SNOW ACCUMULATIONS... AN ADDITIONAL 3 TO 6 INCHES ABOVE
  5000 FEET.

* TIMING...SNOW CHANGE TO RAIN BY LATE MORNING.

* WARNING LOCATIONS INCLUDE...HIGH ELEVATION AREAS IN SOUTHERN 
  AND CENTRAL SISKIYOU COUNTY TO INCLUDE MOUNT SHASTA SKI AREA. 

* IMPACTS...VERY HEAVY SNOWFALL IN THE WARNING AREA MAY MAKE AREA
  ROADS AND HIGHWAYS IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE
  POSSIBLE AT TIMES...DUE TO FALLING AND BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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 
  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.

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

&&

$$

CAZ084-085-141500-
/O.EXP.KMFR.WW.Y.0033.000000T0000Z-161214T1400Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY-
INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTURAS
551 AM PST WED DEC 14 2016

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 AM PST EARLY THIS
MORNING...

WET SNOW IS EXPECTED TO CHANGE OVER TO RAIN THIS MORNING WITH LESS
THAN AN INCH ADDITIONAL ACCUMULATION EXPECTED.

$$

CAZ080-141500-
/O.EXP.KMFR.WW.Y.0033.000000T0000Z-161214T1400Z/
WESTERN SISKIYOU COUNTY-
551 AM PST WED DEC 14 2016

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 AM PST EARLY THIS
MORNING ABOVE 4500 FEET...

WET SNOW IS EXPECTED TO CHANGE OVER TO RAIN THIS MORNING WITH LESS
THAN AN INCH ADDITIONAL ACCUMULATION EXPECTED.

$$

ORZ029>031-141800-
/O.CON.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
/O.CON.KMFR.WW.Y.0033.000000T0000Z-161214T1800Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ALTAMONT...KLAMATH FALLS...BEATTY...
BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER...LAKEVIEW
551 AM PST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

* WARNING SNOW ACCUMULATIONS...AN ADDITIONAL 4 TO 8 INCHES...WITH
  UP TO 12 INCHES IN CHEMULT.

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

* WINDS...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH THIS 
  AFTERNOON AS SNOW BEGINS TO CHANGE TO RAIN. 

* TIMING...SNOWFALL WILL BE HEAVIEST THIS MORNING AND CHANGE TO 
  RAIN LATE THIS MORNING AND EARLY THIS AFTERNOON...EXPECT IN 
  NORTHERN LAKE AND KLAMATH COUNTIES WHERE SNOW WILL CHANGE TO 
  RAIN LATE THIS AFTERNOON. 

* WARNING LOCATIONS INCLUDE...HIGHWAY 97 FROM KLAMATH FALLS TO 
  CRESCENT...PORTIONS OF HIGHWAY 140 FROM KLAMATH FALLS TO EAST 
  OF LAKEVIEW...HIGHWAY 31 INCLUDING PAISLEY AND SILVER LAKE. 

* ADVISORY LOCATIONS INCLUDE...HIGHWAY 97 SOUTH OF KLAMATH 
  FALLS...MERRILL. 

* IMPACTS...VERY HEAVY SNOWFALL MAY MAKE AREA ROADS AND HIGHWAYS 
  IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE POSSIBLE AT TIMES... 
  ESPECIALLY IN THE MOUNTAINS AND NEAR SUMMER LAKE...DUE TO 
  FALLING AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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 
  IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. TAKE 
  PROTECTIVE ACTION NOW. 

&&

$$

ORZ027-028-141800-
/O.CON.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
/O.CON.KMFR.WW.Y.0033.000000T0000Z-161214T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE
551 AM PST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 5000 FEET...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

* WARNING SNOW ACCUMULATIONS...AN ADDITIONAL 8 TO 12 INCHES IN THE
  CASCADES MAINLY ABOVE 5000 FEET AND 4 TO 8 INCHES NEAR MOUNT
  ASHLAND IN THE SISKIYOUS.

* ADVISORY SNOW ACCUMULATIONS...AN ADDITIONAL 4 TO 8 INCHES MAINLY
  BETWEEN 4000 AND 5000 FEET ELEVATION. 

* WINDS...INCREASING TO SOUTH 15 TO 25 MPH WITH GUSTS TO 35 MPH 
  BY LATE THIS MORNING AND THIS AFTERNOON...WITH HIGHER GUSTS 
  POSSIBLE NEAR CRATER LAKE. 

* TIMING...SNOW THIS MORNING WILL CHANGE TO RAIN LATE THIS 
  MORNING INTO THIS AFTERNOON...EXCEPT AREAS LIKE THE CRATER 
  LAKE RIM WHERE CHANGEOVER TO RAIN IS LESS LIKELY. 

* WARNING LOCATIONS INCLUDE...DIAMOND LAKE...CRATER LAKE. THIS 
  INCLUDES HIGHWAY 62 NEAR CRATER LAKE...HIGHWAY 230...HIGHWAY 
  58 AT WILLAMETTE PASS...HIGHWAY 138 AT DIAMOND LAKE SUMMIT... 
  AND HIGHWAY 140 NEAR LAKE OF THE WOODS. 

* ADVISORY LOCATIONS INCLUDE...PORTIONS OF HIGHWAY 62...140... 
  AND 66 BETWEEN 4000 AND 5000 FEET. 

* IMPACTS...VERY HEAVY SNOWFALL IN THE WARNING AREA MAY MAKE 
  ROADS AND HIGHWAYS IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE 
  POSSIBLE AT TIMES...DUE TO FALLING AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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 
  IMMINENT AND POSES A THREAT TO LIFE AND PROPERTY. TAKE 
  PROTECTIVE ACTION NOW. 

&&

$$

PETRUCELLI
675 
WWUS46 KMFR 141753
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
953 AM PST WED DEC 14 2016

...MODERATE TO HEAVY SNOW TODAY...

.A WARM FRONT WILL BRING MODERATE TO HEAVY SNOWFALL THIS MORNING
INTO THIS AFTERNOON. SNOW WILL SPREAD FROM SOUTH TO NORTH OVER
PORTIONS OF NORTHERN CALIFORNIA...THE SISKIYOUS AND CASCADES...
AND AREAS EAST OF THE CASCADES THIS MORNING. SNOW LEVELS WILL
INITIALLY START AT AROUND 4000 FEET AND THEN RISE TO 6000 TO
7000 FEET TODAY...SO MANY AREAS WILL SEE A CHANGEOVER FROM SNOW
TO RAIN.

CAZ082-083-141900-
/O.EXP.KMFR.WS.W.0009.000000T0000Z-161214T1800Z/
SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
953 AM PST WED DEC 14 2016

...WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING
ABOVE 5000 FEET...

MAINLY RAINFALL IS EXPECTED TODAY AS SNOW LEVELS RISE TO 7000 FEET
AND HIGHER.

$$

ORZ029>031-150000-
/O.EXP.KMFR.WW.Y.0033.000000T0000Z-161214T1800Z/
/O.CON.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ALTAMONT...KLAMATH FALLS...BEATTY...
BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER...LAKEVIEW
953 AM PST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS
MORNING...

* WARNING SNOW ACCUMULATIONS...AN ADDITIONAL 4 TO 8 INCHES...WITH
  UP TO 12 INCHES IN CHEMULT.

* WINDS...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH THIS 
  AFTERNOON AS SNOW BEGINS TO CHANGE TO RAIN. 

* TIMING...SNOWFALL WILL BE CHANGING TO RAIN GRADUALLY FROM SOUTH
  TO NORTH TODAY...WITH THE CHANGEOVER OCCURRING NEAR CHEMULT LATE
  THIS AFTERNOON.

* WARNING LOCATIONS INCLUDE...HIGHWAY 97 NORTH OF KLAMATH FALLS TO
  CRESCENT...HIGHWAY 31 INCLUDING PAISLEY AND SILVER LAKE.

* IMPACTS...VERY HEAVY SNOWFALL MAY MAKE AREA ROADS AND HIGHWAYS 
  IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE POSSIBLE AT TIMES... 
  ESPECIALLY IN THE MOUNTAINS AND NEAR SUMMER LAKE...DUE TO 
  FALLING AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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
  OCCURRING AND POSES A THREAT TO LIFE AND PROPERTY. TAKE
  PROTECTIVE ACTION NOW.

&&

$$

ORZ027-028-150000-
/O.EXP.KMFR.WW.Y.0033.000000T0000Z-161214T1800Z/
/O.CON.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE
953 AM PST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 5000 FEET...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS
MORNING...

* WARNING SNOW ACCUMULATIONS...AN ADDITIONAL 8 TO 12 INCHES IN 
  THE CASCADES MAINLY ABOVE 5000 FEET AND 4 TO 8 INCHES NEAR 
  MOUNT ASHLAND IN THE SISKIYOUS. 

* WINDS...INCREASING TO SOUTH 15 TO 25 MPH WITH GUSTS TO 35 MPH 
  BY LATE THIS MORNING AND THIS AFTERNOON...WITH HIGHER GUSTS 
  POSSIBLE NEAR CRATER LAKE. 

* TIMING...SNOW THIS MORNING WILL CHANGE TO RAIN LATE THIS MORNING
  INTO THIS AFTERNOON...EXCEPT AREAS LIKE THE CRATER LAKE RIM
  WHERE CHANGEOVER TO RAIN IS NOT GUARANTEED.

* WARNING LOCATIONS INCLUDE...DIAMOND LAKE...CRATER LAKE. THIS
  INCLUDES HIGHWAY 62 NEAR CRATER LAKE...HIGHWAY 230...HIGHWAY 58
  AT WILLAMETTE PASS...HIGHWAY 138 AT DIAMOND LAKE SUMMIT... AND
  HIGHWAY 140 NEAR LAKE OF THE WOODS. 

* IMPACTS...VERY HEAVY SNOWFALL IN THE WARNING AREA MAY MAKE 
  ROADS AND HIGHWAYS IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE 
  POSSIBLE AT TIMES...DUE TO FALLING AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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
  IMMINENT  AND POSES A THREAT TO LIFE AND PROPERTY. TAKE
  PROTECTIVE ACTION NOW.

&&

$$
106 
WWUS46 KMFR 141755
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
955 AM PST WED DEC 14 2016


CAZ082-083-141900-
/O.EXP.KMFR.WS.W.0009.000000T0000Z-161214T1800Z/
SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
955 AM PST WED DEC 14 2016

...WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING
ABOVE 5000 FEET...

SNOW LEVELS ARE RISING TO 7000 FEET AND RAIN IS EXPECTED THROUGH
THE DAY.

$$

ORZ029>031-150000-
/O.EXP.KMFR.WW.Y.0033.000000T0000Z-161214T1800Z/
/O.CON.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ALTAMONT...KLAMATH FALLS...BEATTY...
BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER...LAKEVIEW
955 AM PST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS
MORNING...

* WARNING SNOW ACCUMULATIONS...AN ADDITIONAL 4 TO 8 INCHES...
  WITH UP TO 12 INCHES IN CHEMULT. 

* WINDS...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH THIS 
  AFTERNOON AS SNOW BEGINS TO CHANGE TO RAIN. 

* TIMING...SNOWFALL WILL BE CHANGING TO RAIN GRADUALLY FROM 
  SOUTH TO NORTH TODAY...WITH THE CHANGEOVER OCCURRING NEAR 
  CHEMULT LATE THIS AFTERNOON. 

* WARNING LOCATIONS INCLUDE...HIGHWAY 97 NORTH OF KLAMATH FALLS 
  TO CRESCENT...HIGHWAY 31 INCLUDING PAISLEY AND SILVER LAKE. 

* IMPACTS...VERY HEAVY SNOWFALL MAY MAKE AREA ROADS AND HIGHWAYS 
  IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE POSSIBLE AT TIMES... 
  ESPECIALLY IN THE MOUNTAINS AND NEAR SUMMER LAKE...DUE TO 
  FALLING AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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 
  OCCURRING AND POSES A THREAT TO LIFE AND PROPERTY. TAKE 
  PROTECTIVE ACTION NOW. 

&&

$$

ORZ027-028-150000-
/O.EXP.KMFR.WW.Y.0033.000000T0000Z-161214T1800Z/
/O.CON.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE
955 AM PST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 5000 FEET...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS
MORNING...

* WARNING SNOW ACCUMULATIONS...AN ADDITIONAL 8 TO 12 INCHES IN THE
  CASCADES MAINLY ABOVE 5000 FEET AND 4 TO 8 INCHES AT THE TOP OF MOUNT
  ASHLAND IN THE SISKIYOUS.

* WINDS...INCREASING TO SOUTH 15 TO 25 MPH WITH GUSTS TO 35 MPH 
  BY LATE THIS MORNING AND THIS AFTERNOON...WITH HIGHER GUSTS 
  POSSIBLE NEAR CRATER LAKE. 

* TIMING...SNOW THIS MORNING WILL CHANGE TO RAIN LATE THIS 
  MORNING INTO THIS AFTERNOON...EXCEPT AREAS LIKE THE CRATER 
  LAKE RIM WHERE CHANGEOVER TO RAIN IS NOT GUARANTEED. 

* WARNING LOCATIONS INCLUDE...DIAMOND LAKE...CRATER LAKE. THIS 
  INCLUDES HIGHWAY 62 NEAR CRATER LAKE...HIGHWAY 230...HIGHWAY 
  58 AT WILLAMETTE PASS...HIGHWAY 138 AT DIAMOND LAKE SUMMIT... 
  AND HIGHWAY 140 NEAR LAKE OF THE WOODS. 

* IMPACTS...VERY HEAVY SNOWFALL IN THE WARNING AREA MAY MAKE 
  ROADS AND HIGHWAYS IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE 
  POSSIBLE AT TIMES...DUE TO FALLING AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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
  OCCURRING AND POSES A THREAT TO LIFE AND PROPERTY. TAKE
  PROTECTIVE ACTION NOW.

&&

$$
954 
WWUS46 KMFR 142210
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
210 PM PST WED DEC 14 2016

...DANGEROUS WINTER WEATHER CONTINUES...

.PORTIONS OF THE EAST SIDE NEAR CHEMULT CONTINUE TO SEE A MIX OF
SNOW AND FREEZING RAIN WITH A BRIEF TRANSITION TO RAIN POSSIBLE
THIS EVENING. DANGEROUS TRAVEL CONDITIONS CONTINUE THERE. MANY
AREAS IN THE CASCADES AND EAST OF THE CASCADES SOUTH OF CHILOQUIN
ARE TRANSITIONING TO RAIN THIS AFTERNOON AS WARM AIR MOVES
NORTHWARD. ONLY THE HIGHEST SPOTS IN THE CASCADES LIKE THE CRATER
LAKE RIM WILL SEE SNOW THROUGH THE NIGHT...WHILE COLD AIR WILL
RETURN OVER THE CASCADES THURSDAY MORNING AND WILL BRING SOME
ACCUMULATING SNOWS BEFORE DRY AIR MOVES IN.

ORZ030-031-150615-
/O.NEW.KMFR.WW.Y.0034.161215T0000Z-161215T1800Z/
/O.CON.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...BEATTY...CHEMULT...CRESCENT...
GILCHRIST...SPRAGUE RIVER...LAKEVIEW
210 PM PST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY...

* WARNING SNOW ACCUMULATIONS...AN ADDITIONAL FEW INCHES THROUGH
  THE AFTERNOON.

* ADVISORY SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES.

* FREEZING RAIN POTENTIAL...THERE IS A CHANCE FOR FREEZING RAIN TO
  MIX WITH RAIN AND SNOW FROM CHEMULT NORTHWARD THIS EVENING AHEAD
  OF A TRANSITION TO MOSTLY RAIN.

* WINDS...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH THIS
  AFTERNOON AS SNOW BEGINS TO CHANGE TO RAIN. 

* TIMING...SNOWFALL WILL BE CHANGING TO RAIN GRADUALLY FROM SOUTH
  TO NORTH THIS AFTERNOON...BUT ONLY A BRIEF CHANGEOVER TO RAIN IS
  EXPECTED THIS EVENING OVER CHEMULT BEFORE CHANGING BACK TO SNOW
  LATE TONIGHT AND THURSDAY MORNING.

* WARNING LOCATIONS INCLUDE...HIGHWAY 97 FROM CHILOQUIN NORTHWARD.
  HIGHWAY 31 FROM PAISLEY NORTHWARD TO INCLUDE SILVER LAKE. 

* ADVISORY LOCATIONS INCLUDE...HIGHWAY 97 FROM CHEMULT
  NORTHWARD...FORT ROCK.

* IMPACTS...HEAVY SNOWFALL MAY MAKE AREA ROADS AND HIGHWAYS
  IMPASSABLE THIS AFTERNOON. CONTINUED FREEZING TEMPERATURES ON
  AREA ROADS FROM CHEMULT NORTHWARD WILL MAKE TRAVEL DIFFICULT.
  NEAR WHITEOUT CONDITIONS ARE POSSIBLE AT TIMES...ESPECIALLY IN
  THE MOUNTAINS AND NEAR SUMMER LAKE...DUE TO FALLING AND BLOWING
  SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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 
  OCCURRING AND POSES A THREAT TO LIFE AND PROPERTY. TAKE 
  PROTECTIVE ACTION NOW. 

&&

$$

ORZ029-150000-
/O.CON.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
KLAMATH BASIN-
INCLUDING THE CITY OF...KLAMATH FALLS
210 PM PST WED DEC 14 2016

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

* WARNING SNOW ACCUMULATIONS...AN ADDITIONAL FEW INCHES OF SNOW.

* WINDS...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH THIS 
  AFTERNOON AS SNOW BEGINS TO CHANGE TO RAIN. 

* TIMING...SNOWFALL WILL DIMINISH THIS EVENING AND CHANGE TO RAIN.

* WARNING LOCATIONS...HIGHWAY 97 FROM CHILOQUIN NORTHWARD.

* IMPACTS...SNOWFALL MAY MAKE TRAVEL DIFFICULT ON AREA ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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 
  OCCURRING AND POSES A THREAT TO LIFE AND PROPERTY. TAKE 
  PROTECTIVE ACTION NOW. 

&&

$$

ORZ027-028-150000-
/O.CON.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE
210 PM PST WED DEC 14 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON ABOVE 5000 FEET...

* WARNING SNOW ACCUMULATIONS...AN ADDITIONAL SEVERAL INCHES ARE
  EXPECTED.

* CHANGEOVER TO RAIN...MOST LOCATIONS ARE CHANGING TO RAIN THIS
  AFTERNOON...EXCEPT FOR THE CRATER LAKE RIM WHERE SNOW WILL
  LIKELY CONTINUE THROUGH THE NIGHT.

* WINDS...INCREASING TO SOUTH 15 TO 25 MPH WITH GUSTS TO 35 MPH 
  BY LATE THIS MORNING AND THIS AFTERNOON...WITH HIGHER GUSTS 
  POSSIBLE NEAR CRATER LAKE. 

* WARNING LOCATIONS INCLUDE...DIAMOND LAKE...CRATER LAKE. THIS
  INCLUDES HIGHWAY 62 NEAR CRATER LAKE...HIGHWAY 230...HIGHWAY 58
  AT WILLAMETTE PASS...HIGHWAY 138 AT DIAMOND LAKE SUMMIT.

* IMPACTS...VERY HEAVY SNOWFALL IN THE WARNING AREA MAY MAKE 
  ROADS AND HIGHWAYS IMPASSABLE. NEAR WHITEOUT CONDITIONS ARE 
  POSSIBLE AT TIMES...DUE TO FALLING AND BLOWING SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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 
  OCCURRING AND POSES A THREAT TO LIFE AND PROPERTY. TAKE 
  PROTECTIVE ACTION NOW. 

&&

$$
607 
WWUS46 KMFR 142353
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
353 PM PST WED DEC 14 2016

ORZ030-031-151200-
/O.EXP.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
/O.CON.KMFR.WW.Y.0034.161215T0000Z-161215T1800Z/
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...CHEMULT...CRESCENT...GILCHRIST
353 PM PST WED DEC 14 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY...
...WINTER STORM WARNING WILL EXPIRE AT 4 PM PST THIS AFTERNOON...

* ADVISORY SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES.

* FREEZING RAIN POTENTIAL...THERE IS A CHANCE FOR FREEZING RAIN 
  TO MIX WITH RAIN AND SNOW FROM CHEMULT NORTHWARD THIS EVENING 
  AHEAD OF A TRANSITION TO MOSTLY RAIN. 

* WINDS...INCREASING TO 15 TO 25 MPH WITH GUSTS TO 35 MPH THIS 
  AFTERNOON AS SNOW BEGINS TO CHANGE TO RAIN. 

* TIMING...A BRIEF CHANGEOVER TO RAIN IS EXPECTED THIS EVENING
  OVER CHEMULT BEFORE CHANGING BACK TO SNOW LATE TONIGHT AND
  THURSDAY MORNING.

* ADVISORY LOCATIONS INCLUDE...HIGHWAY 97 FROM CHEMULT 
  NORTHWARD...FORT ROCK. 

* IMPACTS...SNOWFALL MAY MAKE FOR HAZARDOUS TRAVEL ALONG AREA
  ROADS AND HIGHWAYS. CONTINUED FREEZING TEMPERATURES ON AREA
  ROADS FROM CHEMULT NORTHWARD WILL MAKE TRAVEL DIFFICULT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

* 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. 

&&

$$

ORZ029-150100-
/O.EXP.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
KLAMATH BASIN-
353 PM PST WED DEC 14 2016

...WINTER STORM WARNING WILL EXPIRE AT 4 PM PST THIS AFTERNOON...

HEAVY SNOWFALL HAS ENDED, SO THE WINTER STORM WARNING HAS BEEN
ALLOWED TO EXPIRE. 

$$

ORZ027-028-150100-
/O.EXP.KMFR.WS.W.0009.000000T0000Z-161215T0000Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE
353 PM PST WED DEC 14 2016

...WINTER STORM WARNING WILL EXPIRE AT 4 PM PST THIS AFTERNOON
ABOVE 5000 FEET...

HEAVY SNOWFALL HAS ENDED, SO THE WINTER STORM WARNING HAS BEEN
ALLOWED TO EXPIRE. 

$$

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 Dec 13, 9:46 AM PST, 4 hours 57 minutes earlier.

Area forecast discussion, Dec 13, 9:46 AM PST, 4 hours 57 minutes before
Area Forecast Discussion
National Weather Service Medford OR
946 AM PST Tue Dec 13 2016

.AVIATION...13/18Z TAF CYCLE...Stratus in the west side valleys
will burn off to VFR by around noon today and that continues
into early evening. Elsewhere, VFR conditions will continue into
the evening. A strong warm front will bring light to moderate rain
to the west side terminals from south to north starting late this
evening and continuing through the remainder of the TAF period.
Cigs/Vis are expected to be generally MVFR although conditions may
worsen tomorrow morning as a cold front begins to push in as well.
On the east side, snow will spread in with similar timing. Flight
conditions are likely to be much worse as a result with IFR to
LIFR Cigs/Vis likely to develop after midnight, including at KLMT,
and significant snow accumulations by dawn Wednesday. Snow will
change to rain from south to north late morning tomorrow. -Wright

&&

.PREV DISCUSSION... /Issued 856 AM PST Tue Dec 13 2016/

DISCUSSION...A relatively quiet weather day today will precede
about two days of high-impact, fairly complex weather, arriving
tonight. A warm front will overrun lingering cold air tonight
and bring snow to most mountain and East Side areas tonight. A
changeover to rain is expected most areas Wednesday morning. Heavy
rain will impact much of the area on Wednesday as snow levels rise
and a plume of moisture, originating from the tropics, surges into
the forecast area. Winds will become strong too on Wednesday over
mountains, portions of Northern California, and the East Side. A
cold front will push south and east out of the forecast area
Thursday, bringing an end to the precipitation and ushering in a
colder, drier period of weather.

We'll be refining the forecast today, focusing on the high-impact
weather through Thursday night.

Please see the previous discussion below which highlights some
hazard products we have issued for the heavy snow, high wind, and
heavy rain.

MARINE...Updated 200 AM PST Tuesday 13 December 2016...Winds and
seas will remain below advisory criteria today. Our next attention
will be late tonight through Wednesday afternoon. A frontal
boundary is expected to move towards the area later this evening
bringing steady precipitation. The models are in pretty good
agreement showing a surface low developing along the frontal
boundary late tonight. However they differ with respect to the
strength and track of the surface low. This is especially
important because it could make a difference between having gale
force winds over the southern waters or nothing at all. The NAM
and ECMWF show a slightly stronger surface low while the GFS is
weaker. The 0z NAM run tracked the surface low far enough north
where the southern waters could get impacted by gales for at least
6 hours. Now the 6z run tracks the surface low further south, so
it remains to be seen if future runs will continue to show this.
The above reasoning leads to low confidence of upgrading the gale
watch to a warning. So for now we'll leave the watch as is and let
the day shift have another look at this. Taking the 6z NAM at face
value would put borderline gale conditions from Brookings south.
Any south winds will quickly shift north as the surface low moves
inland Wednesday afternoon and night, but should remain below
small craft. Note, even with a further south track of the surface
low, fresh south swell could still sneak into the southern waters
Wednesday evening and night. -Petrucelli

PREV DISCUSSION... /Issued 425 AM PST Tue Dec 13 2016/

SHORT TERM...A very moist warm front will approach the area from
the southwest today then gradually move inland tonight and
Wednesday. Moderate to heavy precipitation is expected with this
warm front. Heavy snow is possible from the Cascades east in
Southern Oregon. Near the coast and into western Siskiyou County,
heavy rain is expected tonight through Wednesday.  A surface low
will track into the extreme southwest Oregon coast by Wednesday
afternoon and will bring a cold front across the area Wednesday
night into Thursday with additional precipitation. Strong gusty
winds are also expected ahead of and with the cold front passage
for locations in the mountains and in the Summer Lake area
Wednesday and Wednesday night.

The 06z and 00z model runs have come into better agreement with
the track of the low and the timing of a warm front moving into
the area tonight and Wednesday, followed by a cold front moving
across the area Wednesday night into Thursday. Models show a plume
of moisture with precipitable water around 1.0 to 1.3 inches
moving into the Northern California and Curry County coasts
tonight into Wednesday. This warm and moist airmass will spread
inland inland tonight into Wednesday bringing overrunning
precipitation to the area. Ahead of this front, expect relatively
cold air in place with snow levels of around 2500 to 3500 ft
elevation in Southern Oregon and around 4000 to 5000 ft elevation
in Northern California. Snow levels are expected to rise
Wednesday morning and afternoon as the warm front lifts northward
into Southern Oregon. Snow levels will rise to 6000 to 7000+ feet
elevation on Wednesday but may remain lower over far northern
Klamath and Lake Counties.

With snow levels starting out low and moderate to heavy
precipitation associated with the front, expect significant
snowfall accumulations in portions of the Southern Oregon
Cascades and east side tonight and Wednesday. Snow is expected to
begin late this evening and tonight and is forecast to become
heavy by Wednesday morning. Snowfall rates up to 1 inch per hour
are possible in the Southern Oregon Cascades and across much of
Klamath and Lake counties Wednesday morning. This will bring
significant impacts these areas. Heavy snowfall may continue over
northern Klamath and northern Lake counties Wednesday afternoon.
However, expect snow levels to rise quickly Wednesday afternoon to
around 6000 feet or more over southern portions of Klamath and
Lake counties. Blowing snow and near whiteout conditions are
possible on Wednesday, especially in the Southern Oregon Cascades,
in the mountains above 6000 feet east of the Cascades and in the
Summer Lake area as strong gusty winds combine with snowfall. By
Wednesday evening expect most areas to transition to rain with
snow levels around 6000 to 7000 feet. However, areas near Fort
Rock and Chemult may see continued lower snow levels around 4500
to 5000 feet.

A winter storm watch is in effect for the Southern Oregon Cascades
and areas to the east in Klamath and Lake counties. See the WSWMFR
for details.

Wednesday night and Thursday, a cold front will gradually
move inland. Models are showing a strong 700 mb jet with southwest
winds of 65 to 75 kt moving across the area ahead of this front.
So expect south winds to increase and become strong and gusty
over the mountains and into portions of the east side, especially
near the Summer Lake area. A high wind watch has been issued for
late Wednesday afternoon and Wednesday night for these areas. See
the NPWMFR for details.

Also of concern will be the potential for heavy rainfall in
southwestern portions of the area, mainly in Curry and southern
Josephine counties as well as in western and southern Siskiyou
County. Current forecasts call for 3 to 4.5 inches of
precipitation tonight through Thursday over these areas. Heaviest
rain across Curry, Josephine and Western Siskiyou counties is
expected tonight through Wednesday night. In the Southern Siskiyou
county area near Mount Shasta moderate to heavy precipitation is
expected tonight through Thursday. Precipitation may begin as
snow, especially above 4500 feet tonight then transition to rain
as snow levels rise to 6000+ feet Wednesday morning. Heaviest
precipitation is expected in the Mount Shasta area from Wednesday
morning through at least Thursday morning...with moderate rain and
snow showers possible Thursday afternoon and evening.

As the front moves east Thursday afternoon and evening, expect
decreased precipitation for areas west of the Cascades with many
Areas transitioning to isolated or scattered showers. East of the
Cascades, precipitation is expected to decrease by Thursday
evening in Klamath county and by late Thursday night in Lake,
Modoc and eastern Siskiyou counties.

PREV LONG TERM DISCUSSION... /Issued 100 PM PST Mon Dec 12 2016/

Long term...Friday through Monday. The deterministic models and
associated ensembles are in pretty good agreement in the extended
period, and this leads to above average confidence in the overall
pattern, but relatively lower confidence in some specifics. The
period of Friday through Monday could generally be characterized
as chilly and more than likely dry, but with just enough potential
to keep an eye on.

The majority of the precipitation from the mid week system will be
off to our east by Friday. However, the upper trough axis will be
moving through early Friday, and the combination of low snow levels
and residual shower activity could lead to isolated impacts from
snow over the lower elevations. Given that this is 5 days off,
confidence in any specifics is low, but it's worth watching the
tail end of this departing system.

Snow levels will be down near sea level on Saturday, and models are
hinting at a weak shortwave moving through the flow. This could also
give us some snow showers at low elevations, but again, it's way to
far off to get specific. Sunday is the day most likely to be dry,
but there may be a system coming down the PacNW coast that could
bring some rain to the north coast and Umpqua basin by day's end.
Snow levels will be rising, so snow is less of a concern over lower
elevations by Sunday. Snow levels rise further Monday and really
jump up Monday night as a fairly juicy warm front arrives from the
west. -Wright

&&

.MFR WATCHES/WARNINGS/ADVISORIES...
OR...High Wind Watch from Wednesday afternoon through late Wednesday
     night for ORZ030-031.
     Winter Storm Watch from this evening through Wednesday afternoon
     for ORZ029>031.
     Winter Storm Watch from this evening through Wednesday afternoon
     for ORZ027-028.

CA...High Wind Watch from Wednesday afternoon through late Wednesday
     night for CAZ085.

Pacific Coastal Waters...Gale Watch from Wednesday afternoon through
     late Wednesday night for PZZ356-376.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 4:56 PM PSTFrost AdvisoryMFRCoos, Curry, Douglas16 hr
Dec 12, 6:56 PM PSTGale WatchMFR20 hr
Dec 13, 3:19 AM PSTHigh Wind WatchMFRKlamath, Lake10 hr
Dec 13, 1:42 PM PSTHigh Wind WarningMFRKlamath, Lake41 hr
Dec 13, 1:42 PM PSTWind AdvisoryMFRKlamath, Lake41 hr
Dec 13, 2:43 PM PSTWinter Weather AdvisoryMFRDouglas, Jackson, Josephine, Klamath, Lake19 hr
Dec 13, 3:08 PM PSTSmall Craft AdvisoryMFR31 hr
Dec 13, 3:08 PM PSTSmall Craft Advisory for Hazardous SeasMFR24 hr
Dec 13, 3:30 PM PSTFlood WatchMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath51 hr
Dec 13, 3:30 PM PSTFlood WatchMFRModoc, Siskiyou55 hr

Nearby

Winter Storm Warnings in Oregon, 2016Winter Storm Warnings in California, 2016Every winter storm warning in 2016

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.