Area Forecast Discussion
Issued by NWS Grand Junction, CO

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000
FXUS65 KGJT 260902
AFDGJT

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
302 AM MDT THU MAR 26 2015

.SHORT TERM...(TODAY THROUGH FRIDAY)
ISSUED AT 302 AM MDT THU MAR 26 2015

THIS MORNING...WEDNESDAY`S TROUGH WAS QUICKLY SWEEPING INTO THE
MIDWEST ALLOWING THE WEST COAST RIDGE TO AMPLIFY INLAND. AFTER A
COLD START THIS MORNING...PLENTY OF SUNSHINE WILL ERODE VALLEY
INVERSIONS BY NOON. AFTERNOON TEMPERATURES WILL REBOUND TO
ABOVE NORMAL. DEEP AFTERNOON MIXING WILL PRODUCE SOME NW WIND
GUSTS. VALLEY INVERSIONS REFORM WITH SUNSET TONIGHT WITH NEAR
NORMAL LOW TEMPERATURES EXPECTED. VALLEYS WITH BLOSSOMING FRUIT
ARE EXPECTED TO STAY ABOVE FREEZING OVERNIGHT THOUGH VALLEY
BOTTOMS COULD DROP BELOW. THE WARMING TREND CONTINUES ON FRIDAY AS
THE RIDGE AXIS BUILDS OVER THE NV-UT STATE LINE. PASSING HIGH
CLOUDS WILL BE THICKEST ACROSS NW COLORADO.

.LONG TERM...(FRIDAY NIGHT THROUGH WEDNESDAY)
ISSUED AT 302 AM MDT THU MAR 26 2015

THE EXTENDED PERIOD STARTS OUT WILL CONTINUED DOMINANCE OF A
STRONG RIDGE OVER THE WESTERN U.S...DRY CONDITIONS AND TEMPS
WARMER THAN NORMAL. THE MIDRANGE MODELS SHOW THE RIDGE BEING
FLATTENED BY A SHORTWAVE TROUGH TRAVELING THROUGH THE NORTHERN
AND CENTRAL ROCKIES SATURDAY. THE ECMWF HAS MORE AMPLITUDE WITH
THIS FEATURE AND IT BRINGS A STRONGER WIND BAND OVER CENTRAL AND
NW CO AS IT PASSES THROUGH SAT NIGHT...ALONG WITH A BETTER CHANCE
OF PRECIPITATION. THE GFS SHOWS MUCH MORE OF A GLANCING BLOW WITH
LESS WIND AND PRECIP POSSIBLE. THE NATIONAL GUIDANCE TENDS TO
SUPPORT THE EC SOLN AND HAVE ADDED SOME CLOUDS AND POPS TO THE
GRIDS SAT AND SAT NGT TO REFLECT THIS.

MONDAY THROUGH WEDNESDAY IS HARD TO PIN DOWN. THE GFS AND EC BRING
A LOW AMPLITUDE RIDGE OVER THE AREA...BUT THE GFS DRAWS MOISTURE
INTO THE AREA FROM THE SOUTH...WHEN THE EC REMAINS DRY. HAVE
TRENDED TOWARD SMALL CHANGES THROUGH THIS PERIOD.

&&

.AVIATION...(FOR THE 12Z TAFS THROUGH 12Z FRIDAY MORNING)
ISSUED AT 302 AM MDT THU MAR 26 2015

VFR CONDITIONS WILL DOMINATE ACROSS THE REGION THROUGH FRIDAY AS
HIGH PRESSURE BUILDS OVER THE WESTERN U.S.

&&

.GJT WATCHES/WARNINGS/ADVISORIES...
CO...FREEZE WARNING UNTIL 7 AM MDT THIS MORNING FOR COZ006-011-020.

UT...FREEZE WARNING UNTIL 7 AM MDT THIS MORNING FOR UTZ027.

&&

$$

SHORT TERM...JOE
LONG TERM...CC
AVIATION...JOE



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