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

KIAD - Washington/Dulles In, VA, US

Updated at: 1631 UTC 22 Sep 2019
Latest TAF at: 1441 UTC 22 Sep 2019

TAF Board

Time1552Z 22/17Z 22/18Z 22/19Z 22/20Z 22/21Z 22/22Z 22/23Z 23/00Z 23/01Z 23/02Z 23/03Z 23/04Z 23/05Z>>
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 -- -- -- -- -- -- -- -- -- -- -- -- -- --
Cover FEW FEW FEW FEW FEW FEW FEW FEW FEW FEW FEW FEW FEW FEW
FltCat VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
WX -- -- -- -- -- -- -- -- -- -- -- -- -- --
WDir 330 VRB 190 190 190 190 190 190 190 190 190 190 190 190
WSpd 4 3 5 5 5 5 5 5 5 5 5 5 5 5
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
KIAD 221441Z 2215/2318 VRB03KT P6SM FEW250
  FM221800 19005KT P6SM FEW050
  FM231400 23007KT P6SM FEW250


METAR
KIAD 221552Z 33004KT 10SM FEW250 30/18 A3016 RMK AO2 SLP208 T03000183 $
KIAD 221452Z 36003KT 10SM FEW250 28/18 A3017 RMK AO2 SLP213 T02830178 50001 $
KIAD 221352Z 00000KT 10SM FEW250 26/18 A3018 RMK AO2 SLP216 T02560183 $

Radar Display
Forecast Discussion