NWS-Seattle CWSU

UPPER AIR PATTERN AT APPROXIMATELY FL180

Western U.S. satellite image with 500 mb heights

SYNOPSIS...A WEAK COLD FRONT WILL SAG SE INTO NW OREGON TONIGHT. THE FRONT WILL STALL LATE TONIGHT...THEN LIFT NE AS A WARM FRONT ON TUE. THE NEXT FRONTAL SYSTEM IS NOT EXPECTED TO MOVE IN UNTIL LATE THURSDAY.

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KPDX 23 Nov 3:53 pm
Temperature	50°F
Dew Point	40°F
Ceiling (×100ft)	120
Visibility	10sm
Weather	-
Altimeter	30.35"Hg
Wind	110° / 7kt

KPDX METAR
KPDX 232353Z 11007KT 10SM SCT075 BKN120 BKN250 10/04 A3035 AO2 SLP275 60001 T01000044 10117 20078 58005

KPDX TAF
KPDX 232320Z 2400/2424 15006KT P6SM FEW040 SCT100 BKN250 TEMPO 2402/2406 -RA FM240600 14006KT P6SM OVC050 FM241500 VRB04KT 6SM BR BKN050 FM241800 VRB04KT P6SM BKN050

PDX TRACON WEATHER IMPACTS ISSUED: 11/23/2009 3:49:32 PM
SFC WIND DIR 180-210° AND SPD >20 KT
(Y/N)	(CONF)	(TIME)	(INFO/DETAILS)
N
LOW LEVEL WINDS >40KT AOB FL050
(Y/N)	(CONF)	(TIME)	(INFO/DETAILS)
N
THUNDERSTORMS WITHIN 10 NM OF PDX
(Y/N)	(CONF)	(TIME)	(INFO/DETAILS)
N
DENSE FOG WITH VIS < 1 SM
(Y/N)	(CONF)	(TIME)	(INFO/DETAILS)
N

ZSE ARTCC PIREP REQUIREMENTS
Issued: 11/23/2009 3:50:47 PM
	AREAS
HAZARDS	A	B	C	D
ICING	X	X	X	X
LO-TURB	X	X
LLWS
HI-TURB
TSTM
CIG <050	X	X	X
IFR
Click here for ZSE Area Map

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