Special Weather Statement
Issued by NWS Riverton, WY

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WWUS85 KRIW 212042
SPSRIW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
242 PM MDT FRI AUG 21 2015

WYZ003-004-221000-
CODY FOOTHILLS-NORTH BIG HORN BASIN-
INCLUDING THE CITIES OF...CODY...POWELL...LOVELL...GREYBULL
242 PM MDT FRI AUG 21 2015

...STRONG COLD FRONTAL PASSAGE TONIGHT...

A COLD FRONT WILL PUSH SOUTH ACROSS THE AREA LATER TONIGHT.
STRONG NORTH WINDS AT 25 TO 35 MPH WITH GUSTS NEAR 50 MPH WILL
ACCOMPANY THE FRONT AND CONTINUE OVERNIGHT...GRADUALLY DECREASING
THROUGH THE DAY SATURDAY.

SMOKY CONDITIONS WILL LIKELY WORSEN BEHIND THE FRONT SATURDAY
MORNING. INDIVIDUALS SENSITIVE TO INCREASED PARTICULATE OR SMOKE
LEVELS SHOULD AVOID PROLONGED OR STRENUOUS OUTDOOR ACTIVITY.

$$

WYZ010-011-221000-
NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY-
INCLUDING THE CITIES OF...BUFFALO...KAYCEE
242 PM MDT FRI AUG 21 2015

...STRONG COLD FRONTAL PASSAGE TONIGHT...

A COLD FRONT WILL PUSH SOUTH ACROSS THE AREA TONIGHT. STRONG
NORTH WINDS AT 25 TO 35 MPH WITH GUSTS NEAR 50 MPH WILL ACCOMPANY
THE FRONT AND CONTINUE OVERNIGHT THROUGH SATURDAY
MORNING...GRADUALLY DECREASING THROUGH SATURDAY AFTERNOON.

SMOKY CONDITIONS WILL LIKELY WORSEN BEHIND THE FRONT SATURDAY
MORNING. INDIVIDUALS SENSITIVE TO INCREASED PARTICULATE OR SMOKE
LEVELS SHOULD AVOID PROLONGED OR STRENUOUS OUTDOOR ACTIVITY.

$$

WYZ005>007-221000-
SOUTHWEST BIG HORN BASIN-SOUTHEAST BIG HORN BASIN-
OWL CREEK AND BRIDGER MOUNTAINS-
INCLUDING THE CITIES OF...THERMOPOLIS...WORLAND
242 PM MDT FRI AUG 21 2015

...STRONG COLD FRONTAL PASSAGE TONIGHT...

A COLD FRONT WILL PUSH SOUTH ACROSS THE AREA AFTER MIDNIGHT.
STRONG NORTH WINDS AT 25 TO 35 MPH WITH GUSTS NEAR 45 MPH...WITH
HIGHER GUSTS THROUGH WIND RIVER CANYON...WILL ACCOMPANY THE FRONT
AND CONTINUE OVERNIGHT...GRADUALLY DECREASING THROUGH THE DAY
SATURDAY.

SMOKY CONDITIONS WILL LIKELY WORSEN BEHIND THE FRONT SATURDAY
MORNING. INDIVIDUALS SENSITIVE TO INCREASED PARTICULATE OR SMOKE
LEVELS SHOULD AVOID PROLONGED OR STRENUOUS OUTDOOR ACTIVITY.

$$

WYZ017-018-221000-
WIND RIVER BASIN-LANDER FOOTHILLS-
INCLUDING THE CITIES OF...RIVERTON...LANDER
242 PM MDT FRI AUG 21 2015

...STRONG COLD FRONTAL PASSAGE TONIGHT...

A COLD FRONT WILL PUSH SOUTH ACROSS THE AREA BEFORE SUNRISE
SATURDAY MORNING. STRONG NORTH WINDS AT 25 TO 35 MPH WITH GUSTS
NEAR 50 MPH WILL ACCOMPANY THE FRONT ACROSS THE NORTHERN WIND
RIVER BASIN...FROM BOYSEN RESERVOIR TO RIVERTON. WIND SPEEDS WILL
NOT BE QUITE AS HIGH SOUTH OF RIVERTON. WINDS WILL GRADUALLY
DECREASE THROUGH THE DAY SATURDAY.

SMOKY CONDITIONS WILL LIKELY WORSEN BEHIND THE FRONT SATURDAY
MORNING. INDIVIDUALS SENSITIVE TO INCREASED PARTICULATE OR SMOKE
LEVELS SHOULD AVOID PROLONGED OR STRENUOUS OUTDOOR ACTIVITY.

$$

WYZ020-022-221000-
NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN-
INCLUDING THE CITY OF...CASPER
242 PM MDT FRI AUG 21 2015

...STRONG COLD FRONTAL PASSAGE TONIGHT...

A COLD FRONT WILL PUSH SOUTH ACROSS THE AREA BEFORE SUNRISE
SATURDAY MORNING. NORTH WINDS AT 20 TO 30 MPH WITH GUSTS NEAR 45
MPH WILL ACCOMPANY THE FRONT...BEFORE GRADUALLY DECREASING MID TO
LATE SATURDAY MORNING.

SMOKY CONDITIONS WILL LIKELY WORSEN BEHIND THE FRONT SATURDAY
MORNING. INDIVIDUALS SENSITIVE TO INCREASED PARTICULATE OR SMOKE
LEVELS SHOULD AVOID PROLONGED OR STRENUOUS OUTDOOR ACTIVITY.

$$



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