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

KSEA - Seattle-Tacoma Intl, WA, US

Updated at: 0222 UTC 12 May 2021
Latest TAF at: 2321 UTC 11 May 2021

TAF Board

Time0153Z 12/03Z 12/04Z 12/05Z 12/06Z 12/07Z 12/08Z 12/09Z 12/10Z 12/11Z 12/12Z 12/13Z 12/14Z 12/15Z>>
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 250 250 250 250 100 100 100 100 100 100 100 80 80 80
Cover BKN BKN BKN BKN OVC OVC OVC OVC OVC OVC OVC OVC OVC OVC
FltCat VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
WX -- -- -- -- -- -- -- -- -- -- -- -- -- --
WDir 310 360 360 360 20 20 20 20 20 20 20 210 210 210
WSpd 5 9 9 9 5 5 5 5 5 5 5 4 4 4
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 112321Z 1200/1306 36009KT P6SM FEW040 BKN250
  FM120600 02005KT P6SM BKN100 OVC200
  FM121300 21004KT P6SM BKN080 OVC120
  FM121800 30007KT P6SM BKN060 OVC100


METAR
KSEA 120153Z 31005KT 10SM FEW040 BKN250 20/05 A3014 RMK AO2 SLP213 T02000050
KSEA 120053Z 36006KT 10SM FEW040 SCT250 21/04 A3015 RMK AO2 SLP216 T02110044
KSEA 112353Z 31008KT 10SM FEW040 SCT250 21/03 A3016 RMK AO2 SLP218 T02060033 10211 20144 58011
KSEA 112253Z 36009KT 10SM FEW040 SCT250 21/03 A3017 RMK AO2 SLP222 T02060033

Radar Display
Forecast Discussion