Impacts TAF Board INFO
FOR SITUATIONAL AWARENESS. NOT TO BE USED FOR FLIGHT PLANNING PURPOSES.
IDs:

KSEA - Seattle-Tacoma Intl, WA, US

Issued at 1725 UTC 17 Feb 2018
Updated at 1939 UTC 17 Feb 2018
Potential Impact None Slight Moderate High
Time<<18/08Z 18/09Z 18/10Z 18/11Z 18/12Z 18/13Z 18/14Z 18/15Z 18/16Z 18/17Z 18/18Z 18/19Z 18/20Z>>
Type PRVL PRVL PRVL PRVL PRVL PRVL PRVL PRVL
  [TEMP]  
PRVL
  [TEMP]  
PRVL
  [TEMP]  
PRVL PRVL PRVL
VIS >6 >6 >6 >6 >6 >6 >6 >6
  [5]  
>6
  [5]  
>6
  [5]  
>6 >6 >6
CIG 15 15 15 15 15 15 15 25
  [12]  
25
  [12]  
25
  [12]  
25 25 25
Cover BKN BKN BKN BKN BKN BKN BKN BKN
  [OVC]  
BKN
  [OVC]  
BKN
  [OVC]  
BKN BKN BKN
FltCat MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR
  [MVFR]  
MVFR
  [MVFR]  
MVFR
  [MVFR]  
MVFR MVFR MVFR
WX -SHRA -SHRA -SHRA -SHSN -SHRA -SHSN -SHRA -SHSN -SHRA -SHSN -SHRA -SHSN --
  [-SHSN]  
--
  [-SHSN]  
--
  [-SHSN]  
-- -- --
WDir 200 200 VRB VRB VRB VRB VRB 360
[360]
360
[360]
360
[360]
360 360 360
WSpd 18 18 8 8 8 8 8 14
  [14]  
14
  [14]  
14
  [14]  
14 14 14
WGst 25 25 -- -- -- -- -- 24
  [24]  
24
  [24]  
24
  [24]  
24 24 24

Raw TAF
KSEA 171725Z 1718/1824 18020G35KT P6SM -RA SCT006 OVC015
  FM172000 20025G35KT P6SM -SHRA BKN015 BKN040
  TEMPO 1720/1724 SCT020 BKN040
  FM180200 20018G25KT P6SM -SHRA BKN015 BKN040
  FM181000 VRB08KT P6SM -SHRASN BKN015
  FM181500 36014G24KT P6SM SCT012 BKN025
  TEMPO 1815/1818 5SM -SHSN BKN012 OVC025
  FM182100 36015G25KT P6SM SCT025 BKN050


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FOR SITUATIONAL AWARENESS. NOT TO BE USED FOR FLIGHT PLANNING PURPOSES.