Area Forecast Discussion
Issued by NWS Sacramento, CA

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FXUS66 KSTO 022118
AFDSTO

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SACRAMENTO CA
218 PM PDT SUN AUG 2 2015

.SYNOPSIS...
COOLER WEATHER THIS WEEK. DAYTIME HIGHS NEAR OR BELOW NORMAL FOR
MUCH OF THIS WEEK. SCATTERED MOUNTAIN THUNDERSTORMS WILL CONTINUE
INTO THE EVENING WITH DRY WEATHER ELSEWHERE. SLIGHT CHANCE OF
MAINLY MOUNTAIN THUNDERSTORMS TUESDAY AND FRIDAY.

&&

.DISCUSSION...
MONSOONAL MOISTURE CONTINUES TO SPREAD MOISTURE NORTHWARD OVER
THE AREA THIS AFTERNOON BUT IS SLOWLY LIFTING NORTHWARD. THE TREND
WILL CONTINUE INTO THE EVENING BEFORE CHANCES OF THUNDERSTORMS
OVER THE INTERIOR MOUNTAIN RANGES SUBSIDES. MONDAY LOOKS TO BE
DRY WITH SOUTHWEST FLOW PUSHING ANY ACTIVITY EAST OF THE CREST.

THERE IS STILL SOME UNCERTAINTY FOR TUESDAY BUT A WEAK
SHORTWAVE CONTINUES TO BE FORECAST TO MOVE ALONG THE COAST THAT
MAY TRIGGER SOME ACTIVITY MAINLY OVER THE NORTHERN HALF OF THE
FORECAST AREA. THE MAIN AREAS WOULD BE ALONG THE COASTAL RANGE
NORTH OF LAKE COUNTY AND FROM PLUMAS COUNTY NORTHWARD. FURTHER
SOUTH THE FLOW LOOKS LIKE IT MAY PUSH ANY ACTIVITY THAT MAY TRY
TO GET GOING INTO NEVADA.

A MODERATE DELTA BREEZE WILL CONTINUE TO HELP TO KEEP INLAND
TEMPERATURES PLEASANT. A MODERATE TO STRONG DELTA BREEZE AT
TIMES IS EXPECTED TO CONTINUE INTO TUESDAY. COOLER THAN NORMAL
TEMPERATURES ARE ALSO EXPECTED MONDAY THROUGH WEDNESDAY. A FAIRLY
DEEP MARINE LAYER ALONG THE COAST EACH NIGHT MAY LEAD TO SOME
STRATUS ADVECTING INTO THE SACRAMENTO REGION THE NEXT COUPLE OF
NIGHTS.

&&
.EXTENDED DISCUSSION (THURSDAY THROUGH SUNDAY)

MODELS SHOWING SHORT WAVE RIDGING OVER INTERIOR NORCAL THURSDAY WITH
MINOR WARMING. LARGE UPPER LOW FORECAST TO APPROACH THE CAL COAST
LATE THURSDAY INTO FRIDAY THEN TRACK ACROSS THE AREA FRIDAY INTO
FRIDAY NIGHT. BROAD TROUGHING ALOFT THEN LINGERS OVER THE REGION
THROUGH THE WEEKEND. MODELS SUGGESTING POTENTIAL FOR SHOWERS AND
THUNDERSTORMS OVER THE MOUNTAINS FRIDAY WITH LINGERING ACTIVITY
POSSIBLE IN THE NORTHERN MOUNTAINS OVER THE WEEKEND. MAX TEMPERATURES
ARE EXPECTED NEAR TO SLIGHTLY BELOW NORMAL THROUGH THE EXTENDED
FORECAST PERIOD.


&&

.AVIATION...

SWLY FLOW ALF WITH UPR LOW OFSHR AND UPR RDG TO THE E. VFR CONDS
OVR INTR NORCAL NXT 24 HRS. LCL SWLY SFC WND GSTS TO ARND 30 KTS
POSS THRU CARQ STRAIT AND WRN DELTA.
&&

.STO WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$



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