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

KSEA - Seattle-Tacoma Intl, WA, US

Updated at: 1853 UTC 19 Aug 2019
Latest TAF at: 1732 UTC 19 Aug 2019

TAF Board

Time1753Z 19/19Z 19/20Z 19/21Z 19/22Z 19/23Z 20/00Z 20/01Z 20/02Z 20/03Z 20/04Z 20/05Z 20/06Z 20/07Z>>
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 21 35 35 -- -- -- -- -- -- -- -- -- -- --
Cover BKN BKN BKN SCT SCT SKC SKC SKC SKC SKC SKC SCT SCT SCT
FltCat MVFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
WX -- -- -- -- -- -- -- -- -- -- -- -- -- --
WDir 270 VRB VRB VRB VRB 300 300 300 300 300 300 VRB VRB VRB
WSpd 5 3 3 4 4 6 6 6 6 6 6 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 191732Z 1918/2024 22004KT P6SM SCT015 BKN020 BKN030
  FM191900 VRB03KT P6SM SCT022 BKN035
  FM192100 VRB04KT P6SM SCT035
  FM192300 30006KT P6SM SKC
  FM200500 VRB04KT P6SM SCT250


METAR
KSEA 191753Z 27005KT 10SM FEW012 BKN021 BKN032 19/12 A3003 RMK AO2 SLP172 T01890122 10189 20156 53008
KSEA 191653Z 13003KT 10SM FEW012 BKN019 BKN027 18/12 A3001 RMK AO2 SLP168 T01830122
KSEA 191553Z 14006KT 10SM FEW014 BKN028 OVC037 17/12 A3001 RMK AO2 SLP167 T01720122

Radar Display
Forecast Discussion