TFM - Tactical Decision Aid
ID: Runway Winds: CIG/VIS Threshold:

KSEA - Seattle-Tacoma Intl, WA, US

Updated at: 2110 UTC 17 Jun 2019
Latest TAF at: 1919 UTC 17 Jun 2019

TAF Board

Time2053Z 17/22Z 17/23Z 18/00Z 18/01Z 18/02Z 18/03Z 18/04Z 18/05Z 18/06Z 18/07Z 18/08Z 18/09Z 18/10Z>>
Type OBS PRVL PRVL PRVL PRVL PRVL PRVL PRVL PRVL PRVL PRVL PRVL PRVL PRVL
VIS 10 >6 >6 >6 >6 >6 >6 >6 >6 >6 >6 >6 >6 >6
CIG 250 200 200 200 200 200 200 200 200 200 200 10 10 10
Cover BKN BKN BKN BKN BKN BKN BKN BKN BKN BKN BKN OVC OVC OVC
FltCat VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR MVFR MVFR MVFR
WX -- -- -- -- -- -- -- -- -- -- -- -- -- --
WDir 230 250 250 250 250 250 250 250 250 250 250 310 310 310
WSpd 6 7 7 7 7 7 7 7 7 7 7 8 8 8
WGst -- -- -- -- -- -- -- -- -- -- -- -- -- --

TDA Impact Legend

  None Marginal Slight Moderate High
Visibility (sm) >5 3≤X≤5 1≤X<3 0.5≤X<1 <0.5
Ceiling (100 ft) >30 10≤X≤30 4≤X<10 2≤X<4 <2
Wind Speed (kt) <15 15≤X<25 25≤X<30 ≥30
Wind Gust (kt) <15 15≤X<25 25≤X<35 ≥35
Weather No Wx Reported VCTS -TS,-FZRA TS,FZRA +TS,+FZRA
TAF
KSEA 171919Z 1719/1824 22005KT P6SM BKN012
  TEMPO 1719/1721 SCT015 SCT030 BKN200
  FM172100 25007KT P6SM SCT030 SCT050 BKN200
  FM180800 31008KT P6SM OVC010
  FM181200 22007KT 6SM -DZ BR OVC010
  FM182000 25007KT P6SM OVC017
  FM182300 27007KT P6SM BKN027 BKN050


METAR
KSEA 172053Z 23006KT 10SM FEW020 BKN250 19/12 A3016 RMK AO2 SLP219 T01940117 50000
KSEA 172018Z 17005KT 10SM SCT014 BKN250 18/12 A3017 RMK AO2 T01830117
KSEA 171953Z 27005KT 10SM BKN013 BKN250 17/12 A3017 RMK AO2 SLP223 T01720117
KSEA 171853Z VRB03KT 10SM OVC010 16/12 A3017 RMK AO2 SLP222 T01610117
KSEA 171802Z 22006KT 10SM OVC010 16/11 A3016 RMK AO2 T01610111
KSEA 171753Z 22006KT 10SM OVC009 16/11 A3016 RMK AO2 SLP219 T01610111 10161 20133 53008

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