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

KIAD - Washington/Dulles In, VA, US

Updated at: 1150 UTC 25 Jun 2019
Latest TAF at: 1124 UTC 25 Jun 2019

TAF Board

Time1052Z 25/12Z 25/13Z 25/14Z 25/15Z 25/16Z 25/17Z 25/18Z 25/19Z 25/20Z 25/21Z 25/22Z 25/23Z 26/00Z>>
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 180 140 140 -- -- -- -- -- -- -- -- -- -- --
Cover BKN BKN BKN SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT
FltCat VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
WX -- -- -- -- -- -- -- -- -- -- -- -- -- --
WDir 330 300 300 310 310 310 310 310 310 310 310 310 310 310
WSpd 6 7 7 10 10 10 10 10 10 10 10 10 10 7
WGst -- -- -- 18 18 18 18 18 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
KIAD 251124Z 2512/2618 30007KT P6SM FEW015 BKN140
  FM251400 31010G18KT P6SM FEW050 SCT250
  FM260000 31007KT P6SM FEW045 SCT250


METAR
KIAD 251052Z 33006KT 10SM FEW030 SCT140 BKN180 BKN250 23/20 A2984 RMK AO2 SLP100 T02330200
KIAD 250952Z 00000KT 9SM BCFG FEW015 SCT030 BKN140 BKN180 21/21 A2981 RMK AO2 SLP090 T02110206
KIAD 250852Z 00000KT 9SM FEW015 SCT040 BKN120 BKN200 BKN250 22/21 A2979 RMK AO2 SLP084 60014 T02170206 55005

Radar Display
Forecast Discussion