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Impacts METAR Board
KIAD - Washington/Dulles In, VA, US
Updated at: 2100 UTC 24 Apr 2018
| Potential Impact | None | Slight | Moderate | High |
| Time | 24/09Z | 24/10Z | 24/11Z | 24/12Z | 24/13Z | 24/14Z | 24/15Z | 24/16Z | 24/17Z | 24/18Z | 24/19Z | 24/20Z | 24/21Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 53 | 54 | 55 | 55 | 56 | 58 | 59 | 60 | 61 | 60 | 58 | 57 | 56 |
| Dewpt | 39 | 40 | 41 | 43 | 44 | 45 | 46 | 47 | 47 | 50 | 51 | 53 | 54 |
| Altim | 30.29 | 30.28 | 30.28 | 30.27 | 30.26 | 30.24 | 30.24 | 30.22 | 30.19 | 30.17 | 30.14 | 30.11 | 30.08 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 7 |
| CIG | 110 | 55 | 42 | 38 | 38 | 44 | 60 | 55 | 48 | 35 | 75 | 70 | 37 |
| Cover | OVC | BKN | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -RA | -RA | -RA | -RA |
| WDir | 120 | 110 | 100 | 100 | 100 | 110 | 130 | 110 | 110 | 120 | 110 | 100 | 100 |
| WSpd | 7 | 7 | 8 | 10 | 8 | 15 | 16 | 10 | 13 | 9 | 15 | 9 | 8 |
| WGst | -- | -- | -- | -- | -- | 19 | 22 | 19 | 21 | 20 | 18 | -- | -- |
KIAD 240852Z 12007KT 10SM SCT049 BKN110 OVC150 12/04 A3029 RMK AO2 SLP256 T01170039 56013 $KIAD 240952Z 11007KT 10SM SCT045 BKN055 BKN110 BKN150 OVC220 12/04 A3028 RMK AO2 SLP252 T01220044 $KIAD 241052Z 10008KT 10SM BKN042 BKN060 OVC100 13/05 A3028 RMK AO2 SLP253 VCSH T01280050KIAD 241152Z 10010KT 10SM BKN038 BKN050 OVC120 13/06 A3027 RMK AO2 SLP248 T01280061 10128 20117 58007KIAD 241252Z 10008KT 10SM BKN038 OVC065 13/07 A3026 RMK AO2 SLP245 T01330067KIAD 241352Z 11015G19KT 10SM BKN044 BKN065 OVC110 14/07 A3024 RMK AO2 SLP240 T01440072KIAD 241452Z 13016G22KT 10SM BKN060 OVC110 15/08 A3024 RMK AO2 SLP238 T01500078 56010KIAD 241552Z 11010G19KT 10SM BKN055 OVC080 16/08 A3022 RMK AO2 SLP232 T01560083KIAD 241652Z 11013G21KT 10SM BKN048 OVC065 16/08 A3019 RMK AO2 SLP221 T01610083KIAD 241752Z 12009G20KT 10SM -RA BKN035 BKN050 OVC060 16/10 A3017 RMK AO2 PK WND 13026/1732 RAB26 SLP214 P0000 60000 T01560100 10167 20128 58024KIAD 241903Z 11015G18KT 10SM -RA FEW044 FEW060 OVC075 14/11 A3014 RMK AO2 P0000 T01440106KIAD 241952Z 10009KT 8SM -RA FEW055 OVC070 14/12 A3011 RMK AO2 SLP194 P0003 T01390117KIAD 242052Z 10008KT 7SM -RA SCT028 BKN037 OVC048 13/12 A3008 RMK AO2 SLP186 P0004 60007 T01330122 56028