Area Forecast Discussion
Issued by NWS Grand Junction, CO

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000
FXUS65 KGJT 052137
AFDGJT

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
337 PM MDT TUE MAY 5 2015

.SHORT TERM...(TONIGHT THROUGH WEDNESDAY NIGHT)
ISSUED AT 333 PM MDT TUE MAY 5 2015

THE UPPER LEVEL LOW IS CURRENTLY SITUATED OVER SOUTHWEST COLORADO
SO SHOWERS AND THUNDERSTORMS ARE STILL MOVING FROM SOUTHEAST TO
NORTHWEST ACROSS EASTERN UT AND WESTERN CO. THE CLOUD SHIELD
ACROSS THE AREA THIS MORNING HAS HINDERED DEEP CONVECTION FROM
DEVELOPING. SHOWERS WILL BECOME NUMEROUS ACROSS THE AREA BY EARLY
EVENING WITH SOME THUNDERSTORMS UNTIL ABOUT 9 PM. SHOWERS WILL
CONTINUE OVERNIGHT.

WEDNESDAY AND WEDNESDAY NIGHT...WED MORNING THE UPPER TROUGH WILL
BE EAST OF THE AREA WITH BRIEF RIDGING. PLENTY OF MOISTURE WILL
REMAIN FOR PRECIPITATION...BUT AREAL COVERAGE SHOULD DECREASE FROM
SW TO NE THROUGH THE DAY. WED NGT THE RIDGE WILL PUSH NORTH AND A
DRY SLOT WILL SPREAD ACROSS THE FOUR CORNERS AND SOUTHERN HALF OF
THE FORECAST AREA.

.LONG TERM...(THURSDAY THROUGH TUESDAY)
ISSUED AT 333 PM MDT TUE MAY 5 2015

FRIDAY AND FRIDAY NIGHT...THE FORECAST AREA WILL BE BETWEEN
SYSTEMS AS THE NEXT STRONG LOW DIGS SOUTH OVER THE LAS VEGAS
VICINITY. SOUTH WINDS WILL INCREASE WITH PRECIP FOCUSING MAINLY
NORTH OF INTERSTATE 70. THE MAIN PUSH OF THE DRY SLOT WILL MIGRATE
EAST AND MOISTURE WILL AGAIN START INCREASING FROM THE SOUTH.

SATURDAY AND SUNDAY...THE MAIN CLOSED LOW IS PROJECTED TO MOVE
ACROSS THE AREA FROM SW TO NE IN BOTH THE GFS AND ECMWF MODELS.
PRECIP SHOULD BECOME WIDESPREAD BY SAT AFTERNOON. SAT NIGHT AND
SUN...THE MAIN CIRCULATION CENTER SHOULD PASS EAST INTO EASTERN
CO WITH THE FORECAST AREA BEING BENEATH THE NW QUADRANT OF THE
STORM. PRECIPITATION SHOULD BE MOST WIDESPREAD AND STRONGEST
DURING THIS TIME.

RIDGING WITH DRIER CONDITIONS WILL GRADUALLY MOVE ACROSS THE AREA
MONDAY AND TUESDAY.

&&

.AVIATION...(FOR THE 00Z TAFS THROUGH 00Z WEDNESDAY AFTERNOON)
ISSUED AT 333 PM MDT TUE MAY 5 2015

WIDESPREAD RAIN SHOWERS WILL CONTINUE TONIGHT THROUGH WED MORNING.
SOME CLEARING OVER SW CO AND SE UT WILL OCCUR WED AFTERNOON. MTS
WILL REMAIN OCCASIONALLY OBSCD BY SHOWERS AND THUNDERSTORMS
THROUGH THE NEXT 24 HOURS. THERE IS A GOOD POSSIBILITY OF MVFR
CIGS AND VSBYS IN SHOWERS AND THUNDERSTORMS AT ALL TAF SITES.

&&

.GJT WATCHES/WARNINGS/ADVISORIES...
CO...NONE.
UT...NONE.
&&

$$

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


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