206
FXUS65 KRIW 151912
AFDRIW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
112 PM MDT MON OCT 15 2018
SHORT TERM
THIS EVENING THROUGH TUESDAY
A QUIET PERIOD IN THE FORECAST TONIGHT AND TUESDAY. CLOUDS WILL
CONTINUE TO CLEAR THIS AFTERNOON, AS THEY PROGRESS SOUTHWARD.
CONDITIONS WILL BE DRY AND NOT AS COLD TONIGHT AND TUESDAY.
DEPENDING ON HOW WARM IT GETS THIS AFTERNOON, PATCHY FOG COULD BE
POSSIBLE AGAIN TUESDAY MORNING (ESPECIALLY IN LOWER LYING AREAS).
WINDS WILL BE LIGHT TUESDAY, WITH GUSTY NORTHEAST WINDS OVER
EASTERN PORTIONS OF SWEETWATER COUNTY DURING THE AFTERNOON.
LONG TERM
TUESDAY NIGHT THROUGH MONDAY NIGHT
ON TUESDAY NIGHT THE CUTOFF LOW IN THE SOUTHWEST US WILL BEGIN TO
CREEP UP TOWARDS SOUTHWEST WY. BY WEDNESDAY THIS LOW WILL BE IN
THE UTAH/COLORADO AREA BUT WILL NOT BRING MUCH ACTIVITY TO
SOUTHERNWY, OTHER THAN SOME MID/HIGH CLOUDS AND POSSIBLY SOME
VERY ISOLATED SHOWERS TO SOUTHERN SWEETWATER COUNTY. BY THURSDAY
THE LOW WASHES OUT AND IS ABSORBED INTO THE LONGWAVE TROUGH.
MODELS ARE STILL INDICATING A CLIPPER SYSTEM ON FRIDAY THOUGH THE
GFS IS NOW LEANING TOWARDS THE OTHER MODELS AND SHIFTING IT MORE
TO THE EAST. H7 TEMPS DO INDICATE A SLIGHT DIP ACROSS THE AREA BUT
QUICKLY REBOUNDS OVER THE WEEKEND. UPPER LEVEL HIGH PRESSURE IS
THEN EXPECTED TO BUILD INTO THE AREA WITH TEMPERATURES EXPECTED TO
WARM TO NEAR 5F-10F ABOVE NORMAL ON SUNDAY AND MONDAY.
AVIATION
FOR THE 00Z TAFS THROUGH 00Z WEDNESDAY
VFR CONDITIONS WILL OCCUR THROUGH THE PERIOD. ISOLATED SNOW
SHOWERS WILL REMAIN POSSIBLE AT TIMES THIS EVENING OVER THE
NORTHERN MOUNTAINS. LOCAL MVFR/IFR CONDITIONS COULD BE POSSIBLE
AGAIN TUE, DUE TO PATCHY AM FOG.
FIRE WEATHER
A QUIET PERIOD IN THE FORECAST FOR THE NEXT FEW DAYS. CONDITIONS
WILL BE DRY AND NOT AS COLD TONIGHT AND TUESDAY. WINDS WILL BE
LIGHT TUESDAY, WITH GUSTY NORTHEAST WINDS OVER PORTIONS OF
ZONE 279 DURING THE AFTERNOON.
RIW WATCHES/WARNINGS/ADVISORIES
NONE.
SHORT TERM...LAVOIE
LONG TERM...HULME
AVIATION...LAVOIE
FIRE WEATHER...LAVOIE
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