National Weather Service Text Product
AFOS product AFDPQR
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: AFDPQR
Product Timestamp: 2003-11-28 10:30 UTC
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000 FXUS66 KPQR 281034 AFDPQR AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PORTLAND OR 230 AM PST FRI NOV 28 2003 .SYNOPSIS...A DEEP PACIFIC LOW WAS NEAR NORTHERN VANCOUVER ISLAND THIS MORNING AND WILL MOVE INLAND INTO CANADA AND SLOWLY WEAKEN TODAY AND TONIGHT. THE ASSOCIATED STRONG MOIST COLD FRONT WAS OFFSHORE AND WILL SLOWLY MOVE ACROSS THE FORECAST AREA TODAY AND EARLY TONIGHT. MOVE EAST ACROSS THE FORECAST AREA FRI AND FRI NIGHT. WEAK HIGH PRESSURE IS EXPECTED TO BUILD INTO NORTHWEST OREGON OVER THE WEEKEND. AN UPPER LOW OFF THE CALIFORNIA COAST WILL MOVE INLAND AND GIVE A CHANCE OF SHOWERS TO THE SOUTHERN ZONES SUNDAY NIGHT AND MONDAY. ADDITIONAL FRONTS ARE EXPECTED TUESDAY...THURSDAY AND FRIDAY. && .DISCUSSION... .SHORT TERM...THE NEAR 990 MB LOW WAS APPROACHING NORTHERN VANCOUVER ISLAND THIS MORNING AND WILL MOVE INLAND AND EAST THROUGH CANADA TODAY AND TONIGHT. THE ASSOCIATED STRONG COLD FRONT WAS OFFSHORE. WINDS ARE BEGINNING TO COME UP AT THE NEAR SHORE BUOYS AND CURRENT STORM WARNING AND HIGH WIND WARNING STILL LOOK GOOD. MODEL BOUNDARY LAYER WINDS REMAIN NEAR 50 KT AND 850 MB WINDS NEAR 70 KT. MOISTURE WAS SLOWLY INCREASING OVER THE FORECAST AREA THIS MORNING BUT CEILINGS ARE QUITE HIGH INLAND WITH ONLY SOME SPRINKLES SO FAR. MODELS ARE SLOWER WITH THE ONSET OF THE SOLID RAIN AND HAVE SLOWED DOWN IN THE GRIDS. THE FRONT IS A BIT SLOWER TO PUSH THROUGH TONIGHT AND HAVE ALSO SLOWED DOWN THE DECREASE IN RAIN TONIGHT. BEST RAINFALL PERIOD INLAND LOOKS TO BE 18Z TODAY TO 06Z TONIGHT. WILL ALSO EXTEND THE HIGH WIND WARNING THROUGH THE DAY DUE TO THE SLOWER FRONTAL MOVEMENT...POSSIBLY NOT CLEARING THE CENTRAL COAST UNTIL LATE TODAY. AS THE FRONT MOVES SOUTH...AN UPPER LOW DEVELOPS OFF THE CALIFORNIA COAST TODAY AT TAIL OF THE FRONT. THIS LOW KICKS OUT ACROSS NORTHERN CALIFORNIA LATE SUNDAY AND MONDAY AND COULD BRUSH OUR SOUTHERN AREA WITH A CHANCE OF SHOWERS. .LONG TERM...HAVE MADE MINOR CHANGES. MODELS SHOW FRONTAL SYSTEMS TUESDAY...THURSDAY...AND FRIDAY. GFS/ECMWF/CANADIAN MODELS IN FAIRLY GOOD AGREEMENT. && .MARINE...WINDS HAVE INCREASED OVER THE COASTAL WATERS WITH GUSTS TO JUST ABOVE 40 KT. WILL CONTINUE THE STORM WARNING THROUGH THE DAY THOUGH IT COULD BE MARGINAL. NEW WAVE WATCH III SUGGESTS WE MIGHT FALL SHY OF HIGH SURF BUT WILL NOT CHANGE NOW. TOLLESON && PRELIMINARY POINT POPS... AST +7111 PDX +8111 SLE 99311 EUG 89421 && .PQR WATCHES/WARNINGS/ADVISORIES... .OR/WA...STORM WARNING TODAY CAPE SHOALWATER TO FLORENCE. HIGH WIND WARNING TODAY NORTH AND CENTRAL OREGON COAST AND SOUTH WASHINGTON COAST. HIGH SURF ADVISORY TODAY. && $$