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PacNW Freezing Levels
 
PACIFIC NORTHWEST FREEZING LEVELS
3400
5600
3200
4800

SEATTLE CWSU
ISSUED: 22 NOV 2009 05:40 AM
ACARS blue, NWS radiosondes red.

 

SYNOPSIS...A VIGOROUS FRONTAL SYSTEM IS MOVING THROUGH THE PACIFIC NORTHWEST THIS MORNING. ITS SURFACE LOW MADE LANDFALL NEAR ASTORIA OVERNIGHT AND IT WILL MOVE QUICKLY NORTHEAST ACROSS THE CASCADES THIS MORNING. THE SYSTEM WILL BRING A COOL SHOWERY DAY WITH SNOW IN THE MOUNTAINS. A WEAKER FRONT WILL MOVE THROUGH THE AREA MONDAY AND MONDAY NIGHT...FOLLOWED BY WEAK FRONT LATE IN THE WEEK.

 Show Decoded Data Show METAR/TAF 
KSEA   22 Nov 8:53 am
Temperature42°F
Dew Point40°F
Ceiling (×100ft)005
Visibility7sm
Weather-RA
Altimeter29.57"Hg
Wind230° / 11g22kt
KSEA  METAR
KSEA 221653Z 23011G19KT 7SM -RA BKN005 OVC013 06/04 A2957 AO2 WSHFT 1634 PRESRR SLP019 P0011 T00560044
KSEA  TAF
KSEA 221645Z 2217/2318 23012G22KT 5SM -RA SCT008 OVC015
  FM221900 22015G25KT P6SM SCT015 BKN025 BKN040
    TEMPO 2219/2221 -SHRA
  FM222100 24012G20KT P6SM BKN060
  FM230000 24009KT P6SM SCT060 SCT200
  FM230600 19006KT P6SM SCT090 BKN200
  FM231200 VRB03KT P6SM BKN090 OVC150

SEA TRACON WEATHER IMPACTS
ISSUED: 11/22/2009 8:29:34 AM  
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: 11/22/2009 8:25:10 AM

AREAS

HAZARDS    A       B       C       D   
ICING X X X X
LO-TURB X X X X
LLWS        
HI-TURB X X X X
TSTM        
CIG <050 X X X X
IFR X X X X

Click here for ZSE Area Map


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