Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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000
FXUS65 KSLC 262139
AFDSLC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
239 PM MST WED NOV 26 2014

.SYNOPSIS...HIGH PRESSURE ALOFT ACROSS THE GREAT BASIN WILL BRING
DRY AND MILD CONDITIONS TO THE REGION THROUGH THE FIRST HALF OF
THE UPCOMING WEEKEND. A WEAK COLD FRONT WILL BRING A COOLING TREND
TO NORTHERN UTAH SUNDAY WHILE THE SOUTH REMAINS MILD.


&&

.SHORT TERM (THROUGH 00Z SUNDAY)...HIGH PRESSURE CONTINUES TO BUILD
INTO THE REGION THIS AFTERNOON. ASIDE FROM OROGRAPHIC CIRRUS BLOWING
OFF PORTIONS OF THE WASATCH...MOST OF THE CWA IS SUNNY AND QUITE
WARM FOR LATE NOVEMBER. THE SALT LAKE CITY AIRPORT MANAGED TO REACH
THE LOWER 60S THIS AFTERNOON...WITH WIDESPREAD TEMPERATURES WILL
ABOVE NORMAL FROM ROUGHLY SALT LAKE COUNTY NORTHWARD. THIS SHOULD
KEEP LOWS A BIT WARMER THAN PREVIOUSLY FORECAST IN THESE AREAS.
BUMPED UP TEMPS A BIT FOR THE OVERNIGHT PERIOD IN RESPONSE.

EXPECT ANOTHER WARM DAY TOMORROW...WITH SEVERAL MODELS INDICATING
TEMPERATURES ALONG THE WASATCH FRONT MAY MATCH TODAYS HIGHS. GIVEN A
SLIGHTLY COOLER START...KEPT MAXIMUM TEMPERATURES A BIT COOLER THAN
TODAYS EXPECTED HIGHS. REGARDLESS...THANKSGIVING WILL FEATURE
TEMPERATURES ABOVE AVERAGE AND LARGELY SUNNY SKIES FOR MOST OF THE
CWA. ANOTHER DAY OF NEAR TO ABOVE NORMAL TEMPERATURES IS ANTICIPATED
ON FRIDAY ACROSS THE REGION.

THE RIDGE OF HIGH PRESSURE ACROSS MUCH OF THE WESTERN UNITED STATES
IS EXPECTED TO FLATTEN FRIDAY INTO SATURDAY WHILE A FAIRLY STRONG
PACIFIC SYSTEM IS EXPECTED TO CROSS THE PACIFIC NORTHWEST INTO THE
NORTHERN INTERMOUNTAIN REGION SATURDAY. THIS COMBINATION WILL PUSH A
WEAK BOUNDARY INTO NORTHERN UTAH DURING THE DAY SATURDAY. THE MAIN
IMPACT WILL BE INCREASING CLOUDS ACROSS NORTHERN UTAH...WITH  SOME
LIGHT PRECIPITATION POSSIBLE ACROSS MAINLY THE NORTHERN MOUNTAINS.

&&

.LONG TERM (AFTER 00Z SUNDAY)...THE SHORTWAVE EXPECTED TO PASS
THROUGH THE PACIFIC NORTHWEST/NORTHERN ROCKIES SATURDAY THROUGH
SATURDAY NIGHT WILL PUSH A SHALLOW BOUNDARY INTO NORTHERN
UT. THIS BOUNDARY WILL STALL NEAR OR JUST SOUTH OF I-80 EARLY
SUNDAY BEFORE RETREATING NORTHWARD AS A WARM FRONT SUNDAY. HAVE
INCREASED POPS 10-20 PERCENT ACROSS AREAS GENERALLY ALONG AND
NORTH OF I-80 DURING THE SATURDAY NIGHT-SUNDAY TIMEFRAME.

WITH THIS WARM FRONT LIFTING NORTH OF THE AREA SUNDAY...A VERY
MILD AIRMASS WILL RESIDE ACROSS THE FORECAST AREA EARLY NEXT WEEK.
THE 12Z MODEL SUITE HAS SLOWED DOWN ON THE TIMING OF A MOIST
SHORTWAVE TROUGH...WHICH IS NOW EXPECTED TO WORK ITS WAY EASTWARD
THROUGH THE GREAT BASIN LATER TUESDAY INTO WEDNESDAY...OR POSSIBLY
EVEN SLOWER IF THE 12Z ECMWF IS TO BE BELIEVED. AS SUCH HAVE
LARGELY REMOVED POPS FROM THE MONDAY TIMEFRAME...AND FOCUSED THE
HIGHEST POPS TUESDAY NIGHT INTO WEDNESDAY. ALSO TRENDED MORE
TOWARD A VALLEY RAIN/MOUNTAIN SNOW EVENT WITH SNOW LEVELS
REMAINING AROUND 7 KFT.

&&

.AVIATION...LIGHT AND VARIABLE WINDS WILL CONTINUE AT THE SLC
TERMINAL THROUGH 02-03Z. THERE IS A 20 PERCENT CHANCE WINDS WILL
BECOME NORTHERLY AND INCREASE IN SPEED TO 7 KTS OR SO THROUGH ABOUT
02Z.


&&


.SLC WATCHES/WARNINGS/ADVISORIES...
UT...NONE.
WY...NONE.

&&

$$

KRUSE/SEAMAN

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE
VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

FOR FREQUENTLY ASKED QUESTIONS ABOUT THE AREA FORECAST DISCUSSION
VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY/GENERAL/AFD_FAQS.PHP (ALL LOWER CASE)



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