Area Forecast Discussion
Issued by NWS Reno, NV

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FXUS65 KREV 022143
AFDREV

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
243 PM PDT TUE SEP 2 2014

.SYNOPSIS...
DRY CONDITIONS WILL CONTINUE THE NEXT SEVERAL DAYS. VERY WARM
TEMPERATURES TUESDAY WILL COOL A FEW DEGREES FOR THE REST OF THE
WEEK AS LOW PRESSURE MOVES ACROSS THE PACIFIC NORTHWEST. GUSTY
WINDS TUESDAY EVENING WILL GIVE WAY TO LIGHTER WINDS THE REST OF
THE WEEK.

&&

.SHORT TERM...
NOT MUCH CHANGE TO THE SHORT TERM FORECAST FROM THE PREVIOUS MODEL
RUNS. UPPER LOW MOVING TOWARD THE PAC NW WILL PUSH A SFC BOUNDARY
SOUTH INTO NRN NV LATE TONIGHT THEN CROSS MOST OF THE CWA BY
WEDNESDAY MORNING. THIS WILL TURN THE LOW LVL WINDS TO THE EAST
AND NORTHEAST AND LOWER TEMPS FOR WEDNESDAY AND THURSDAY. HIGHS
WILL BE MAINLY IN THE LOWER TO MID 80S FOR THE LOWER VALLEYS WITH
UPPER 70S TO NEAR 80 IN THE SIERRA VALLEYS.

A BRIEF PERIOD OF GUSTY WEST WINDS IS LIKELY THIS EVENING. THESE
WILL DECREASE OVERNIGHT AS THEY SHIFT TO THE NORTHEAST. GUSTY EAST
WINDS ARE POSSIBLE OVER THE HIGHER RIDGES BY WEDNESDAY NIGHT.
THESE WINDS WILL BE MAINLY DRIVEN BY THE THERMAL DIFFERENCE
ACROSS THE SIERRA FROM THE COOLER GREAT BASIN OVERNIGHT TEMPS TO
THE WARMER CENTRAL VALLEY TEMPS. TEMPS IN SOME OF THE HIGHER
SIERRA VALLEYS WEDNESDAY NIGHT COULD DROP TO NEAR FREEZING...WHILE
TEMPS IN THE GREAT BASIN FALL INTO THE UPPER 40S TO MID 50S.

A LACK OF SIGNIFICANT MOISTURE WILL LIMIT PCPN CHANCES DURING THE
SHORT TERM. SOME OF THE MODELS ARE HINTING AT A SLIGHT INCREASE IN
MOISTURE OVER FAR SRN AREAS BY THURSDAY AFTERNOON...BUT FEEL THIS
WOULD ONLY RESULT IN INCREASED CUMULUS WITH LITTLE CHANCE FOR
PCPN. 20

.LONG TERM...FRIDAY THROUGH TUESDAY...
MODELS OVERALL IN GENERAL AGREEMENT THROUGH THE LONG TERM WITH A
WEAK LOW OR BAGGY TROUGH SITTING OFF THE CALIFORNIA COAST FRI/SAT.
IT IS EXPECTED TO MOVE ONSHORE SUNDAY AS IT GET PICKED UP BY THE
NEXT TROUGH MOVING INTO THE PACIFIC NORTHWEST. CURRENTLY THE LOW
POSITION IS EXPECTED TO REMAIN NEAR 40N WHICH WOULD KEEP THE SIERRA
AND WESTERN NV DRY. WINDS WILL REMAIN LIGHT FRI/SAT UNTIL THE LOW
MOVES ONSHORE SUNDAY.

EXPECT SOME LOCALLY BREEZY WEST WINDS SUNDAY INTO MONDAY AS THE LOW
MOVES IN AND THE PACIFIC NORTHWEST TROUGH DROPS SOUTHEAST. PEAK
GUSTS LOOK TO BE NEAR 30 MPH IN THE WIND PRONE AREAS AND LIGHTER
ELSEWHERE. AFTER THE TROUGH PASSAGE, WINDS WILL BECOME LIGHT AGAIN
ON TUESDAY. TEMPERATURES LOOK TO AVERAGE NEAR NORMAL THROUGH THE
PERIOD WITH SATURDAY THE WARMEST DAY AHEAD OF THE TROUGH AND MONDAY
THE COOLEST, BUT ONLY A 5 DEGREES DIFFERENCE BETWEEN THOSE TWO DAYS.
WALLMANN
&&

.AVIATION...
VFR CONDITIONS THROUGH THURSDAY. WIND GUSTS TO 20-25 KTS TODAY FROM
THE W/SW UNTIL ABOUT 03Z. LIGHTER WINDS WEDNESDAY AND MORE FROM THE
NORTH AT NEAR 10 KTS. WALLMANN
&&

.REV WATCHES/WARNINGS/ADVISORIES...
NV...NONE.
CA...NONE.
&&

$$

FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/RENO (ALL LOWER CASE)





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