photos: Rare fog envelopes base of Grand Canyon

Park rangers and tourists alike at the Grand Canyon over Thanksgiving weekend were treated to a sight only seen on average once every few years: Fog. 
It takes a rare inversion set up where cold air gets trapped in the canyons and warm air sits above the rims. 

"Much better than Black Friday!" National Park Service Ranger Erin Whittaker posted on the Grand Canyon's Facebook page. "Rangers wait for years to see it. Word spread like wildfire and most ran to the rim to photograph it. What a fantastic treat for all!"

MORE PICS  http://www.komonews.com/weather/blogs/scott

Comet ISON dies a second death?

By Scott Sistek Published: Dec 1, 2013 at 10:21 AM PST

The on again, off again, on again Comet ISON appears to be off again. According to Spaceweather.com, Comet ISON is fading once again on their space telescopes.

"Whatever piece of the comet briefly survived its Thanksgiving Day brush with solar fire is now dissipating in a cloud of dust," the site says.

more pics & details   http://www.komonews.com/weather/blogs/scott/Comet-ISON-dies-a-second-death-233994321.html

WIND CHILL CHART

Air Temperature + Wind Speed = Wind Chill Temperature (feels like temperature)

Air Temperature = thermometer reading
Wind Chill Temperature = what it really feels like

for larger view  http://www.nws.noaa.gov/om/windchill/index.shtml

L/C VALLEY SNOW BEGINS MONDAY MORNING

GOT SNOW TIRES? 1" TO 2" OF SNOW EXPECTED MONDAY

Julia's 7 Day Forecast:

TONIGHT: Rain & Wind.  Expected rain totals ¼ inch or less. SW wind 15-25mph with gusts to 35mph. Low temperature 42 degrees.

MONDAY: Rain changing to Snow & Wind. Rain through 6am (about 1/10 inch), then rain/snow mixed 7am to 9am, changing to all snow about 10am. Total expected snow 1” to 2”. West wind 15-25mph. Warmest temperature about 42 degrees in the morning will drop through the day...and continue to drop through Thursday creating bitterly cold wind chill temperatures (feels like temperature).

MONDAY NIGHT: Light snow continues. Low temperature mid 20s.

TUESDAY: Snow & Sun. Morning flurries with no further accumulation then Partly Sunny. Warmest afternoon temperature upper 20s.

WEDNESDAY: Cold & Partly Sunny. Morning temperatures in the teens, afternoon highs only reaching lower 20s.

THURSDAY: Cold & Sunny. Single digit morning temperatures, warmest afternoon temps near 20 degrees.

FRIDAY: Cold & Partly Sunny. Morning lows near 10 degrees. Afternoon highs near 20 degrees.

SATURDAY: Cold & Sunny. Morning temperatures near 10 degrees, Afternoon highs lower 20s.

SUNDAY: Cold & Partly Cloudy. Morning lows near 10 degrees. Afternoon highs mid 20s.

GUSTS TO 50 MPH UNTIL 4AM MONDAY FOR Clarkston, Uniontown, Pullman, Colfax...

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
SUN DEC 1 2013

INCLUDING THE CITIES OF...CLARKSTON...POMEROY...PULLMAN...
COLFAX...ROSALIA...LA CROSSE...OAKESDALE...TEKOA...UNIONTOWN...
RITZVILLE

...WIND ADVISORY IN EFFECT UNTIL 4 AM PST MONDAY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WIND
ADVISORY UNTIL 4 AM MONDAY FOR THE PALOUSE...UPPER COLUMBIA BASIN AND LOWER GARFIELD AND ASOTIN COUNTIES.

* WINDS: SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS UP TO 45 MPH.
 LOCAL GUSTS UP TO 50 MPH POSSIBLE.

* TIMING: WINDS HAVE PICKED UP ACROSS THE AREA AND WILL CONTINUE
 THROUGH THE AFTERNOON HOURS. WINDS MAY SUBSIDE A BIT THIS
 EVENING BUT WILL INCREASE AGAIN OVERNIGHT AS A COLD FRONT
 APPROACHES.

* LOCATIONS: RITZVILLE...LIND...PULLMAN...COLFAX...POMEROY...LA
 CROSSE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 30 TO 40 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

WEATHER SHOULDN'T BE MAJOR PROBLEM FOR MONDAY'S SEAHAWK'S GAME

CLIFF MASS WEATHER BLOG

Sunday Update: Amazing Rain Shadow and Snow Outlook

If you have lost your sun glasses, as many Northwesteners do during the winter, you better find them.  Bright sunshine and cold, crisp conditions are only 1-2 days away.  Cold air will be streaming over our region tomorrow, with only a few pesky snow showers in portions of western Washington.  I don't think there will be major problems with the Seahawks game on Monday night, unless the models are very wrong.

The big weather story today is heavy rain and wind...but many of you are experiencing neither!  How is that possible?  MORE... http://cliffmass.blogspot.com/

24 hour precip