Special Weather Statement
Issued by NWS Riverton, WY

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WWUS85 KRIW 110715
SPSRIW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
105 AM MDT THU SEP 11 2014

WYZ004>006-111800-
NORTH BIG HORN BASIN-SOUTHEAST BIG HORN BASIN-
SOUTHWEST BIG HORN BASIN-
105 AM MDT THU SEP 11 2014

RAIN WILL BECOME MIXED WITH OR CHANGE TO SNOW OVER THE NORTHERN BIG
HORN BASIN THIS MORNING...AS SNOW LEVELS LOWER TO BETWEEN
4500 AND 5000 FEET.  RAIN WILL LIKELY BECOME MIXED WITH SNOW ACROSS
THE SOUTHEAST BIG HORN BASIN...FROM WORLAND AND SOUTHWARD BY MID
MORNING.  AN INCH OR TWO OF SNOW IS POSSIBLE ON VEGETATION
BY NOON TODAY. RAIN AND SNOW IS EXPECTED TO END FROM NORTHWEST TO
SOUTHEAST THROUGH THIS AFTERNOON.

TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS SHOULD BE
PREPARED FOR THIS ABRUPT CHANGE TO WINTER LIKE CONDITIONS TODAY.

$$

WYZ007-111800-
OWL CREEK AND BRIDGER MOUNTAINS-
105 AM MDT THU SEP 11 2014

RAIN AND SNOW WILL CONTINUE ACROSS THE AREA WITH SNOW LEVELS LOWERING
TO THE WIND RIVER CANYON FLOOR BY SUNRISE. 3 TO 5 INCHES OF SNOW IS
EXPECTED ON THE HIGHER PEAKS BY LATE THIS AFTERNOON WITH AN INCH
OR TWO OF SNOW THROUGH THE WIND RIVER CANYON. IN ADDITION...NORTH
WINDS AT 15 TO 25 MPH WILL CAUSE SOME BLOWING SNOW AND VISIBILITY
LIMITED TO ONE MILE OR LESS AT TIMES. EXPECT SLUSHY OR SLICK ROADS
THROUGH THE WIND RIVER CANYON.

TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS SHOULD BE
PREPARED FOR THIS ABRUPT CHANGE TO WINTER LIKE CONDITIONS TODAY.

$$

WYZ020-022-111800-
CASPER MOUNTAIN-NATRONA COUNTY LOWER ELEVATIONS-
105 AM MDT THU SEP 11 2014

AN UNUSUALLY COLD WEATHER SYSTEM WILL IMPACT THE AREA
TODAY. RAIN WILL CONTINUE TO BECOME MORE WIDESPREAD ACROSS NATRONA
COUNTY THEN BECOME MIXED WITH OR CHANGE TO SNOW LATER THIS MORNING.
EXPECT AROUND AN INCH OF SNOW ACCUMULATION ON VEGETATION AND 1 TO 3
INCHES OF SNOW ON CASPER MOUNTAIN BY LATE THIS AFTERNOON.

TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS SHOULD BE
PREPARED FOR THIS ABRUPT CHANGE TO WINTER LIKE CONDITIONS TODAY.

$$

WYZ015-017>019-111800-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-LANDER FOOTHILLS-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-
105 AM MDT THU SEP 11 2014

AN UNUSUALLY COLD WEATHER SYSTEM WILL IMPACT THE AREA
TODAY. RAIN WILL DEVELOP AND BECOME MORE WIDESPREAD
OVER THE WIND RIVER BASIN AND SURROUNDING FOOTHILLS TODAY.
COLDER AIR WILL THEN CONTINUE TO PUSH INTO THE AREA THROUGH THE DAY
TODAY...WITH RAIN LIKELY BECOMING MIXED WITH OR CHANGING TO SNOW BY
THIS AFTERNOON. AROUND AN INCH OF SNOW MAY ACCUMULATE ON
VEGETATION...MAINLY AROUND 5500 FEET AND HIGHER ACROSS THE WIND RIVER
BASIN...WITH ONE TO THREE INCHES OF SNOW POSSIBLE IN THE LANDER
FOOTHILLS ABOVE 6000 FEET AND OVER THE BEAVER RIM AREA BY LATE
THIS AFTERNOON.

TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS SHOULD BE
PREPARED FOR THIS ABRUPT CHANGE TO WINTER LIKE CONDITIONS TODAY.

$$

AEM/JB




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