AREA FORECAST DISCUSSION
NWS SEATTLE WA
AFDSEW 230 AM PST MON JAN 14 2002
.SYNOPSIS...A WEAK WEATHER SYSTEM WAS MOVING THROUGH THE REGION THIS
MORNING. HIGH PRESSURE WILL BUILD INTO BRITISH COLUMBIA THROUGH
TUESDAY...GIVING DRY NORTHERLY FLOW ACROSS THE REGION. ANOTHER WEAK
WEATHER SYSTEM WILL DROP DOWN OVER WASHINGTON WEDNESDAY.
.DISCUSSION...TEMPS 30S...A FEW SPOTS BLO FZG...ONLY PCPN AT 2AM
VCNTY KCLM. ACARS FZLVLS 2KFT...THAT WILL GET PULLED DOWN IF PCPN
DVLPS. FCSTS LOOK GOOD...LOW POPS...CANT TAKE OUT THE CHC OF
PCPN...SATIMG SHOWS THE AREA NR THE STRAIT DVLPG A BIT W/ COOLING
TOPS AT 2AM AND A WEAK CIRCULATION CENTER ALF OVR WRN WA. ALTHOUGH ON
BALANCE TOPS WRN WA ARE WARMING. IN ANY EVENT...AFTER THIS VRY WEAK
SYSTEM MOVES SE SKIES WILL CLEARING BY THIS EVENING FOR A FROSTY NITE
SO LONG AS NLY SFC PRESGRAD DOESN'T KEEP THE WIND UP TOO MUCH. DRY
NLY FLOW CONTINUES THRU TUE...SOME WAA GIVES MID/HIGH LVL CLDS
TUE...CALLING IT PTLY CLDY. ON WED A WV DROPS S THRU PACNW...MAIN HGT
FALLS E CASCDS...BUT SOME ONSHORE FLO FOR CHC PCPN. NO SGFNT UPDTS.
EXTENDED FCST...THU AND AM FRI DRY...AND THEN THE RIDGE COLLAPSES. A
FNTL SYS FRI NITE W/ CD FROPA 12Z SAT...AND ANOTHER SYS ON SUN.
VIGOROUS SHORTWAVES ZIP OVR FLAT RIDGE CENTERED ARND 45N 155W. IF
THIS PLAYS OUT...IT WILL BE A GOOD MOUNTAIN SNOW PATTERN WITH
SEASONABLY COOL TEMPS AND A RATHER LOW SNOW LVL IN STG ONSHORE FLOW.
McFarland
UIL 310 SEA 310 OLM 310
.SEW...NONE.
.KATX...VCP21/CSR21...OPERATIONAL.