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

KSEA - Seattle-Tacoma Intl, WA, US

Updated at: 2225 UTC 23 Apr 2019
Latest TAF at: 2058 UTC 23 Apr 2019

TAF Board

Time2153Z 23/23Z 24/00Z 24/01Z 24/02Z 24/03Z 24/04Z 24/05Z 24/06Z 24/07Z 24/08Z 24/09Z 24/10Z 24/11Z>>
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 200 50 40 40 40 40 40 40 40 40 40 40 40 --
Cover BKN BKN BKN BKN BKN BKN BKN BKN BKN BKN BKN BKN BKN SCT
FltCat VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
WX -- -- -- -- -- -- -- -- -- -- -- -- -- --
WDir 230 230 230 230 230 230 230 230 20 20 20 20 20 50
WSpd 10 10 12 12 12 12 12 12 9 9 9 9 9 6
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 232058Z 2321/2424 23010KT P6SM FEW025 BKN050 BKN200
  FM240000 23012KT P6SM BKN040
  FM240600 02009KT P6SM BKN040
  FM241100 05006KT P6SM SCT020 SCT250


METAR
KSEA 232153Z 23010KT 10SM FEW023 SCT050 BKN200 15/09 A3019 RMK AO2 SLP230 T01500089
KSEA 232053Z 23010KT 10SM FEW025 BKN050 BKN200 15/08 A3019 RMK AO2 SLP229 T01500083 55001
KSEA 231953Z 20013KT 10SM FEW020 BKN040 14/09 A3018 RMK AO2 SLP228 T01440089

Radar Display
Forecast Discussion