141
FXUS66 KMFR 090459
AFDMFR
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEDFORD OR
859 PM PST SUN NOV 8 2009
DISCUSSION
HIGH PRESSURE WILL CONTINUE ACROSS THE FORECAST AREA
TONIGHT WITH CLEARING SKY ALLOWING AREAS OF FOG TO FORM AGAIN IN
THE VALLEY LATER TONIGHT. SATELLITE IMAGERY SHOWS THE NEXT COLD
FRONT IS CROSSING 130W THIS EVENING. THE FRONT IS EXPECTED TO
BRING GALE FORCE WINDS AND HAZARDOUS SEAS TO THE COASTAL WATERS
DURING THE DAY ON MONDAY WITH THE FRONT COMING ASHORE AROUND NOON.
THE FRONT IS EXPECTED TO CLEAR THE CASCADES LATE IN THE DAY AND
THEN INTO NEVADA/IDAHO BY TUESDAY MORNING WITH GUSTY WINDS PRECEDING
THE FRONT. THE COAST AND THE UMPQUA BASIN/ILLINOIS VALLEY WILL SEE RAIN
STARTING IN THE MORNING BUT THE ROGUE VALLEY AND WESTERN SISKIYOU
COUNTY NOT UNTIL LATE MONDAY AFTERNOON. SCATTERED SHOWERS ARE
EXPECTED TO PUSH INTO LAKE AND MODOC COUNTIES MONDAY NIGHT BUT
AMOUNTS WILL BE LESS THAN A TENTH. SNOW LEVEL IS EXPECTED TO LOWER
TO AROUND 4500 FEET MONDAY NIGHT...AND LOWER IN THE SECOND HALF OF
THE WEEK.
CURRENT FORECAST COVERS THIS TREND. HAVE MADE SOME CHANGES TO THE
SKY GRIDS BUT OTHERWISE THE FORECAST STAYS ON TRACK.
AVIATION
VALLEYS WILL LOWER TO IFR AGAIN OVERNIGHT AND CONTINUE
THROUGH LATE MORNING. ONCE THE COLD FRONT HAS PUSHED IN THE
AFTERNOON CIGS ARE EXPECTED TO RISE TO VFR. MTNS WILL BE OBSCURED
EARLY IN THE MORNING THROUGH MID MORNING. AT THE COAST LCL MVFR IN
RAIN IS EXPECTED FROM EARLY MORNING WITH WIDESPREAD GUSTS TO 25 KT
FROM THE SOUTH.
MFR WATCHES/WARNINGS/ADVISORIES
OR...NONE.
CA...NONE.
PACIFIC COASTAL WATERS...SMALL CRAFT ADVISORY FOR WINDS UNTIL 10 AM
PST MONDAY FOR PZZ356.
HAZARDOUS SEAS WARNING FROM 10 AM TO 4 PM PST MONDAY FOR PZZ356.
GALE WARNING FROM 10 AM TO 4 PM PST MONDAY FOR PZZ356.
SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 10 AM PST MONDAY
FOR PZZ356.
SMALL CRAFT ADVISORY FOR WINDS UNTIL 10 PM PST THIS EVENING FOR
PZZ370-PZZ376.
HAZARDOUS SEAS WARNING UNTIL 1 PM PST MONDAY FOR PZZ370.
GALE WARNING UNTIL 1 PM PST MONDAY FOR PZZ370.
SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 10 PM PST THIS
EVENING FOR PZZ370-PZZ376.
HAZARDOUS SEAS WARNING UNTIL 4 PM PST MONDAY FOR PZZ376.
GALE WARNING UNTIL 4 PM PST MONDAY FOR PZZ376.
SMALL CRAFT ADVISORY FOR WINDS UNTIL 7 AM PST MONDAY FOR PZZ350.
HAZARDOUS SEAS WARNING FROM 7 AM TO 4 PM PST MONDAY FOR PZZ350.
GALE WARNING FROM 7 AM TO 4 PM PST MONDAY FOR PZZ350.
SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 7 AM PST MONDAY
FOR PZZ350.
08/99/99
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