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

KDCA - Washington/National, VA, US

Updated at: 0055 UTC 12 May 2021
Latest TAF at: 2320 UTC 11 May 2021

TAF Board

Time0052Z 12/01Z 12/02Z 12/03Z 12/04Z 12/05Z 12/06Z 12/07Z 12/08Z 12/09Z 12/10Z 12/11Z 12/12Z 12/13Z>>
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 90 60 60 60 60 80 -- -- -- -- -- 250 250 250
Cover OVC BKN BKN BKN BKN BKN SCT SCT SCT SCT SCT BKN BKN BKN
FltCat VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
WX -- -- -- -- -- -- -- -- -- -- -- -- -- --
WDir 310 320 320 320 320 340 340 340 340 340 340 320 320 320
WSpd 11 5 5 5 5 6 5 5 5 5 5 5 5 5
WGst 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
KDCA 112320Z 1200/1306 32005KT P6SM SCT050 BKN060
  FM120500 34006KT P6SM BKN080
  FM120600 34005KT P6SM FEW080 SCT250
  FM121100 32005KT P6SM SCT150 BKN250
  FM121400 33008KT P6SM FEW150 SCT250
  FM130100 VRB03KT P6SM FEW060 FEW250


METAR
KDCA 120052Z 31011G18KT 10SM OVC090 17/02 A3012 RMK AO2 SLP198 T01720017
KDCA 112352Z 34010KT 10SM BKN085 17/04 A3010 RMK AO2 SLP193 T01720044 10211 20172 53011
KDCA 112252Z 33012KT 10SM FEW080 OVC100 18/04 A3008 RMK AO2 SLP185 T01830044
KDCA 112152Z 35011KT 10SM SCT080 BKN110 18/04 A3007 RMK AO2 SLP183 T01830044

Radar Display
Forecast Discussion