Area Forecast Discussion
Issued by NWS Grand Junction, CO

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825
FXUS65 KGJT 050918
AFDGJT

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
218 AM MST FRI FEB 5 2016

.SHORT TERM...(TODAY THROUGH SATURDAY)
ISSUED AT 217 AM MST FRI FEB 5 2016

THE WEAK DISTURBANCE WHICH BROUGHT LIGHT SNOW ACROSS NORTHWEST
COLORADO OVERNIGHT WILL BE QUICKLY EXITING THE REGION THIS
MORNING LEAVING A COLD -30C CORE OVERHEAD AND BREEZY CONDITIONS
IN ITS WAKE. WINDS WILL LIGHTEN UP THIS AFTERNOON AS THE PRESSURE
GRADIENT EASES AND HIGH PRESSURE BUILDS INTO THE REGION. MODELS
STILL INDICATE THE NORTHCENTRAL COLORADO MOUNTAINS GETTING SWIPED
BY A VERY WEAK DISTURBANCE ON SATURDAY EVENING...SO KEPT SLIGHT
CHANCE OF SNOW IN THE FORECAST OVER THAT AREA FOR OROGRAPHICALLY
INDUCED SHOWERS. EXPECT WINDS TO PICK UP OVER THE EASTERN UINTAS
AND NORTHWESTERN COLORADO ON SATURDAY EVENING WITH THIS PASSING
DISTURBANCE FROM THE NORTHWEST. TEMPERATURES WILL REMAIN ABOUT 10
DEGREES BELOW NORMAL FOR THE NEXT FEW DAYS.

.LONG TERM...(SATURDAY NIGHT THROUGH THURSDAY)
ISSUED AT 217 AM MST FRI FEB 5 2016

A STRONG RIDGE WILL BUILD ALONG THE WEST COAST AND EXTEND OVER THE
WESTERN GREAT BASIN. EASTERN UT AND WESTERN CO WILL BE UNDER THE
NW FLOW IN THE EASTERN PERIPHERY OF THE RIDGE. A HUGE LONGWAVE
TROUGH WILL DEVELOP CONCURRENTLY OVER THE CENTRAL AND EASTERN U.S.
SAT NGT AND SUN VERY WEAK SHORTWAVES WILL BRING A BIT OF MID AND
HI CLOUD TO THE CENTRAL AND NORTHERN CO BUT NO PCPN IS EXPECTED
WITH THESE.

A SIGNIFICANT WARMING TREND WILL BEGIN MONDAY AND CONTINUE THROUGH
THURSDAY AS THE LARGE WESTERN RIDGE MOVES EAST AND BECOMES
CENTERED OVER THE GREAT BASIN. TEMPERATURES SHOULD FINALLY RISE TO
NEAR NORMAL BY THURSDAY.

&&

.AVIATION...(FOR THE 12Z TAFS THROUGH 12Z SATURDAY MORNING)
ISSUED AT 217 AM MST FRI FEB 5 2016

THE SHORTWAVE TROUGH THAT SPREAD SNOW AND LOW CIGS ACROSS THE
AREA EARLIER TONIGHT WILL CONTINUE MOVING EAST AND CARRYING ITS
PRECIP WITH IT. AS THE SYSTEM MOVES EAST MTS IN CO WILL BE
OCCASIONALLY OBSCURED WITH MVFR AND INTERMITTENT IFR CIGS AND
VSBY KASE...KEGE...KRIL AND KGJT UNTIL ABOUT 13Z.

AREAS OF FOG WILL CONTINUE UNTIL ABOUT 16Z OVER EASTERN UT NEAR
KCNY. IFR TO LIFR CONDITIONS AT KCNY WILL DISSIPATE BY 16Z. VFR
CONDITIONS WILL PREVAIL THEREAFTER.

&&

.GJT WATCHES/WARNINGS/ADVISORIES...
CO...NONE.
UT...DENSE FOG ADVISORY UNTIL 9 AM MST THIS MORNING FOR UTZ027.

&&

$$

SHORT TERM...JAM
LONG TERM...CC
AVIATION...CC



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