NWS-Seattle CWSU

12-HR FORECAST MAP OF FRONTS, PRESSURE AND WEATHER

Graphic showing 12 hour forecast of fronts and surface pressure pattern

SEATTLE AREA WEATHER SYNOPSIS

SYNOPSIS...MOIST ONSHORE FLOW AND A COOL AND UNSTABLE AIRMASS OVER THE REGION WILL KEEP SHOWERS OVER WESTERN WASHINGTON INTO SUNDAY. A WEAK WARM FRONT WILL BRUSH THE AREA SUNDAY NIGHT FOLLOWED BY A TRAILING COLD FRONT MONDAY. A WEAKER FRONT AND A COOL UPPER LEVEL TROUGH WILL BRING RAIN THEN SHOWERS TUESDAY AND WEDNESDAY FOLLOWED BY DRIER WEATHER THURSDAY AND THURSDAY NIGHT. ANOTHER PACIFIC FRONTAL SYSTEM WILL MOVE INTO THE AREA FRIDAY AND SATURDAY.

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KSEA 07 Nov 10:53 pm
Temperature	43°F
Dew Point	40°F
Ceiling (×100ft)	032
Visibility	9sm
Weather	-RA
Altimeter	29.96"Hg
Wind	190° / 12kt

KSEA METAR
KSEA 080653Z 19012KT 9SM -RA BKN032 BKN080 06/04 A2996 AO2 RAB47 SLP153 P0000 T00610044

KSEA TAF
KSEA 080520Z 0806/0912 16010KT P6SM VCSH SCT025 BKN050 BKN100 TEMPO 0810/0814 18012G22KT -SHRA BKN025 OVC050 FM082100 14008KT P6SM SCT050 OVC100 FM090500 12014KT P6SM SCT040 OVC080

SEA TRACON WEATHER IMPACTS ISSUED: 11/7/2009 7:58:49 PM
PSCZ	CONF	TIME	WIND SHIFT INFO
BFI
SEA
WIND (>40KT AOB 050)			DIR/SPD/LEVEL
SEA
TS (WITHIN 10 MILES)
BFI
SEA
FOG (VIS < 1 MILE)
BFI
SEA

ZSE ARTCC PIREP REQUIREMENTS
Issued: 11/7/2009 7:45:18 PM
	AREAS
HAZARDS	A	B	C	D
ICING	X	X	X	X
LO-TURB	X	X	X	X
LLWS
HI-TURB	X	X
TSTM	X	X
CIG <050	X	X	X	X
IFR			X
Click here for ZSE Area Map

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