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000
FXUS66 KSTO 222230
AFDSTO

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SACRAMENTO CA
330 PM PDT WED MAY 22 2013

.DISCUSSION...
SATELLITE LOOPS SHOW THE UPPER-LEVEL LOW OVER WASHINGTON AND OREGON
THIS AFTERNOON WITH THE ASSOCIATED TROUGH MOVING INTO NORTHERN AND
CENTRAL CALIFORNIA. SURFACE WINDS INCREASED THIS MORNING AND HAVE
APPROACHED ADVISORY CRITERIA AT TIMES...SO WILL KEEP THE CURRENT
WIND ADVISORY IN PLACE THROUGH 00Z THURSDAY /1700 PDT THIS
AFTERNOON/.

THE MODELS ARE IN GOOD AGREEMENT WITH THE UPPER-LEVEL TROUGH AXIS
MOVING EAST OF NORTHERN CALIFORNIA TONIGHT...WITH A NORTHWEST FLOW
ALOFT BEHIND THE TROUGH AXIS. THIS WILL KEEP A COOL AIRMASS OVER THE
NORTHERN CALIFORNIA INTERIOR...WITH TEMPERATURES REMAINING A FEW
DEGREES BELOW NORMAL THROUGH FRIDAY.

SOME MODERATION OF THE AIRMASS IS EXPECTED BY THE END OF THE WEEK
AND OVER THE WEEKEND AS THE PACNW LOW WEAKENS AND LIFTS OUT TO THE
NORTHEAST. HOWEVER...IT/S LOOKING LIKE MORE ENERGY WILL WORK
ACROSS THE PACIFIC EARLY NEXT WEEK REINFORCING THE TROUGH ALONG
THE WEST COAST AND PERHAPS BRINGING A BETTER CHANCE OF SHOWERS
FURTHER SOUTH.

&&

.AVIATION...
VFR CONDS CONT NXT 24 HRS FOR INT NORCAL TAF SITES. BREEZY NORTH
WINDS 12 TO 18 KNOTS DECREASING THIS EVENING WITH ISOLATED VALLEY
GUSTS TO AROUND 20 KNOTS THRU ABOUT 03Z THU.

&&

.STO WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 5 PM PDT THIS AFTERNOON CARQUINEZ STRAIT AND
DELTA...CENTRAL SACRAMENTO VALLEY...NORTHERN SAN JOAQUIN
VALLEY...SOUTHERN SACRAMENTO VALLEY.

&&

$$

SANGER

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