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WWUS85 KRIW 012107
SPSRIW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
207 PM MST SUN DEC 1 2013

WYZ003>011-015>020-022-026>030-021200-
BIGHORN MOUNTAINS SOUTHEAST-BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-
CODY FOOTHILLS-EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SOUTH LINCOLN COUNTY-
SOUTHEAST BIG HORN BASIN-SOUTHEAST JOHNSON COUNTY-
SOUTHWEST BIG HORN BASIN-UPPER GREEN RIVER BASIN-
UPPER WIND RIVER BASIN-WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-
207 PM MST SUN DEC 1 2013

...BITTER COLD AIRMASS WILL SPREAD SOUTH ACROSS THE AREA MONDAY
NIGHT AND CONTINUE MUCH OF THE WEEK...

THE LOWER ELEVATIONS EAST OF THE DIVIDE WILL REMAIN MAINLY DRY AND
MILD THROUGH MONDAY...WITH INCREASING WINDS IN MANY AREAS. THOSE IN
HIGH-PROFILE VEHICLES AND LIGHT TRAILERS EASILY BLOWN AROUND BY THE
WIND ARE URGED TO AVOID MOUNTAIN PASSES...MUCH OF INTERSTATES 80 AND
25...AS WELL AS HIGHWAY 26 BETWEEN CASPER AND SHOSHONI...AND HIGHWAY
789 BETWEEN MUDDY GAP AND BEAVER RIM TONIGHT AND MONDAY.

AN ARCTIC FRONT WILL SPREAD SNOW SOUTH ACROSS CENTRAL WYOMING MONDAY
NIGHT AND ACROSS THE INTERSTATE 80 CORRIDOR TUESDAY. SNOW AND
STRONG WIND WILL ACCOMPANY THIS FRONT AND THE COMBINATION OF SNOW AND
WIND COULD PRODUCE WHITEOUT CONDITIONS AT TIMES. MOST OF THE LOWER
ELEVATIONS WILL RECEIVE BETWEEN 2 AND 4 INCHES OF SNOW BETWEEN
FROM MONDAY NIGHT THROUGH WEDNESDAY WITH 4 TO 8 INCHES IN THE
MOUNTAINS.

AN ARCTIC AIRMASS WILL REMAIN ENTRENCHED ACROSS THE AREA THURSDAY
THROUGH NEXT WEEKEND WITH HIGHS ONLY IN THE SINGLE DIGITS...ABOVE AND
BELOW ZERO...AND LOW TEMPERATURES MOSTLY FROM 10 TO 20 DEGREES BELOW
ZERO.  MAKE SURE YOUR HOMES AND VEHICLES ARE PROPERLY WINTERIZED
IN PREPARATION FOR THIS EXTENDED PERIOD OF FRIGID TEMPERATURES.

STAY TUNED FOR FUTURE STATEMENTS AND POSSIBLE ADVISORIES...WATCHES
AND WARNINGS AS THIS ANTICIPATED WINTER WEATHER EVENT UNFOLDS.

$$

TEAM RIVERTON