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

KBOS - Boston/Logan Intl, MA, US

Updated at: 1812 UTC 19 Aug 2019
Latest TAF at: 1739 UTC 19 Aug 2019

TAF Board

Time1754Z 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 -- >6 >6 >6 >6 >6 >6 >6 >6 >6 >6 >6 >6 >6
CIG -- -- 60 60 60 200 200 200 -- -- -- -- -- --
Cover SCT FEW BKN BKN BKN BKN BKN BKN FEW FEW FEW FEW FEW FEW
FltCat VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
WX -- -- VCTS VCTS VCTS -- -- -- -- -- -- -- -- --
WDir 250 220 210 210 210 220 220 220 250 250 250 280 280 280
WSpd 11 13 11 11 11 9 9 9 8 8 8 7 7 7
WGst 18 18 18 18 18 -- -- -- -- -- -- -- -- --

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
KBOS 191739Z 1918/2024 22013G18KT P6SM FEW050
  FM192000 21011G18KT P6SM VCTS BKN060CB
  FM192300 22009KT P6SM BKN200
  FM200200 25008KT P6SM FEW200
  FM200500 28007KT P6SM FEW250


METAR
KBOS 191754Z 25011G18KT 10SMSM FEW045 FEW150 SCT230 34/20 A2992 RMK A02 SLP131 T03390200 10344 20261 58011
KBOS 191554Z 24013G18KT 10SM FEW050 FEW170 SCT250 33/20 A2994 RMK AO2 SLP139 T03280200
KBOS 191454Z 26014G19KT 10SM FEW110 FEW200 FEW250 32/21 A2995 RMK AO2 SLP142 T03170206 56006

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