Special Weather Statement
Issued by NWS Riverton, WY

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WWUS85 KRIW 260803
SPSRIW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
153 AM MDT SUN APR 26 2015

WYZ003>007-261830-
CODY FOOTHILLS-NORTH BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS-
SOUTHEAST BIG HORN BASIN-SOUTHWEST BIG HORN BASIN-
153 AM MDT SUN APR 26 2015

ANOTHER CHANGE IN THE WEATHER IS ON THE WAY AS RAIN MIXES WITH
SNOW EARLY THIS MORNING. VERY WET SNOW WILL PERSIST THROUGH THE
MORNING BEFORE CHANGING BACK TO ALL RAIN IN MOST AREAS. EXPECT
ACCUMULATIONS OF LESS THAN AN INCH ON GRASSY AREAS...WITH LITTLE TO
NO ACCUMULATION ON THE ROADWAYS. THE EXCEPTION COULD BE AROUND
MEETEETSE WHERE 2 TO 3 INCHES OF SNOW COULD ACCUMULATE. THE WET
WEATHER WILL PERSIST THROUGH THE AFTERNOON BEFORE ENDING TONIGHT.

$$

WYZ019-026>030-261830-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-ROCK SPRINGS AND GREEN RIVER-
SOUTH LINCOLN COUNTY-UPPER GREEN RIVER BASIN-
153 AM MDT SUN APR 26 2015

ANOTHER CHANGE IN THE WEATHER IS ON THE WAY AS RAIN MIXES WITH
SNOW BY SUNRISE. VERY WET SNOW WILL DEVELOP AND PERSIST
THROUGH THE MORNING BEFORE CHANGING BACK TO ALL RAIN IN MOST AREAS.
EXPECT ACCUMULATIONS OF LESS THAN 2 INCHES ON GRASSY AREAS IN THE
LOWER ELEVATIONS...TO AS MUCH AS 4 INCHES IN THE GREEN AND
RATTLESNAKE MOUNTAINS. LITTLE ACCUMULATION IS EXPECTED ON THE
ROADWAYS. THE WET WEATHER WILL PERSIST THROUGH THE AFTERNOON BEFORE
ENDING BY THIS EVENING.

NORTHEAST WINDS WILL INCREASE ACROSS EASTERN SWEETWATER COUNTY THIS
AFTERNOON WITH 20 TO 30 MPH WINDS STEADY BY SUNSET...A NOTABLE
CROSS WIND FOR PORTIONS OF INTERSTATE 80 EAST OF GREEN RIVER.

$$

WYZ010-011-020-022-261830-
CASPER MOUNTAIN-NATRONA COUNTY LOWER ELEVATIONS-
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-
153 AM MDT SUN APR 26 2015

PERIODS OF LIGHT TO MODERATE RAIN ARE EXPECTED TO DEVELOP ACROSS
NATRONA COUNTY...AND LAST ON AND OFF THROUGH THE EVENIN.
TEMPERATURES WILL BE RELATIVELY WARM...WITH SNOW EXPECTED TO OCCUR
ONLY ABOVE 7000 FEET THROUGH THE DAY. COLDER AIR WORKS INTO
THE AREA THIS EVENING WITH SNOW POSSIBLY LOWERING TO THE VALLEY
FLOOR AND INTO CASPER PROPER. SNOW ACCUMULATION THROUGH THE NIGHT
ACROSS CASPER MOUNTAIN IS EXPECTED TO BE IN THE 3 TO 6 INCH RANGE...
WHILE LOWER ELEVATIONS SHOULD SEE AN INCH OR LESS. ROADS IN THE LOWER
ELEVATIONS ARE EXPECTED TO REMAIN ONLY WET.

$$

WYZ001-261830-
YELLOWSTONE NATIONAL PARK-
153 AM MDT SUN APR 26 2015

ANOTHER CHANGE IN THE WEATHER IS ON THE WAY AS RAIN MIXES WITH
SNOW THIS MORNING. VERY WET SNOW WILL PERSIST THROUGH LATE MORNING
BEFORE CHANGING BACK TO ALL RAIN BELOW 6500 FEET. EXPECT
ACCUMULATIONS OF LESS THAN 2 INCHES ON GRASSY AREAS IN THE LOWER
VALLEYS...TO AS MUCH AS 4 OR 5 INCHES IN THE MOUNTAINS. SLUSHY AREAS
OF SNOW MAY BE PRESENT ON THE ROADWAYS THIS MORNING. THE WET
WEATHER WILL PERSIST THROUGH THE AFTERNOON BEFORE ENDING BY THIS
EVENING.

$$

WYZ013-023-261830-
JACKSON HOLE-STAR VALLEY-
153 AM MDT SUN APR 26 2015

ANOTHER CHANGE IN THE WEATHER IS ON THE WAY AS RAIN MIXES WITH
SNOW THIS MORNING. VERY WET SNOW IS EXPECTED TO PERSIST THROUGH
THE MORNING WITH A RAIN AND SNOW MIX BY AFTERNOON. EXPECT
ACCUMULATIONS OF LESS THAN 2 INCHES ON GRASSY AREAS IN THE LOWER
ELEVATIONS...WITH AS MUCH AS 6 INCHES IN THE SURROUNDING MOUNTAINS.
SLUSHY AREAS OF SNOW MAY BE PRESENT ON THE ROADWAYS EARLY THIS
MORNING. THE WET WEATHER WILL PERSIST THROUGH THE AFTERNOON BEFORE
ENDING THIS EVENING.

$$

WYZ017-018-261830-
LANDER FOOTHILLS-WIND RIVER BASIN-
153 AM MDT SUN APR 26 2015

A LARGE AREA OF RAIN AND SNOW CONTINUES TO DEVELOP ACROSS THE
BASIN AND WILL DELIVER PERIODS OF RAIN AND SNOW ON AND OFF THROUGH
THE DAY. TEMPERATURES ARE RELATIVELY WARM WITH SNOW LEVELS
ONLY LOWERING TO AROUND 5500 FEET BY SUNRISE. THE RAIN AND
SNOW WILL LIKELY CHANGE BACK TO ALL RAIN IN THE AFTERNOON IN MOST
AREAS. THE PRECIPITATION IS THEN EXPECTED TO COME TO AN END TONIGHT.
LITTLE OR NO ACCUMULATION IS EXPECTED ACROSS MUCH OF THE LOWER
ELEVATIONS OF THE WIND RIVER BASIN...INCLUDING RIVERTON...SHOSHONI
AND HUDSON. LANDER COULD SEE ONE TO POSSIBLY TWO INCHES ON GRASSY
AREAS BY NOON. MORE SIGNIFICANT SNOWFALL IS EXPECTED TO OCCUR
NORTHWEST OF CROWHEART AND OVER SOUTH PASS WHERE A WINTER WEATHER
ADVISORY IS IN EFFECT THROUGH THE MORNING.

$$

TEAM RIVERTON



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