Area Forecast Discussion
Issued by NWS Grand Junction, CO

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207
FXUS65 KGJT 051536
AFDGJT

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

.UPDATE...
ISSUED AT 833 AM MST FRI FEB 5 2016

DENSE FOG HAS LIFTED NEAR CANYONLANDS SO CANCELLED THE DENSE FOG
ADVISORY THAT WAS ISSUED FOR THE AREA. OTHER CONCERN THIS MORNING
IS LOW STRATUS THAT CONTINUES TO PLAGUE SOME AREAS WITH SOME LIGHT
SNOW BEING REPORTED UNDER THOSE CLOUDS. THIS MORNINGS SKEW-T
INDICATES CLOUDS ARE ABOUT 1K FEET THICK AND MAY TAKE SOME TIME TO
BURN OFF. HAVING SAID THAT...WEBCAMS DO SHOW SOME LIFTING CLOUDS
ALONG THE I-70 CORRIDOR AND AREAS UP NORTH. WILL KEEP AN EYE ON
THINGS AND UPDATE FORECAST AS NEEDED OVER THE COMING HOURS. HIGH
PRESSURE STILL ON TRACK TO START BUILDING IN TODAY BRINGING
PLEASANT WEATHER FOR THE NEXT SEVERAL DAYS.

&&

.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 NORTH CENTRAL 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...NONE.
&&

$$

UPDATE...TGR
SHORT TERM...JAM
LONG TERM...CC
AVIATION...CC



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