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Impacts METAR Board
KIAD - Washington/Dulles In, VA, US
Updated at: 1400 UTC 28 Sep 2023
| Potential Impact | None | Slight | Moderate | High |
| Time | 28/02Z | 28/03Z | 28/04Z | 28/05Z | 28/06Z | 28/07Z | 28/08Z | 28/09Z | 28/10Z | 28/11Z | 28/12Z | 28/13Z | 28/14Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 57 | 57 | 56 | 56 | 53 | 52 | 53 | 52 | 53 | 54 | 55 | 57 | 61 |
| Dewpt | 49 | 50 | 50 | 50 | 49 | 49 | 50 | 49 | 49 | 49 | 49 | 51 | 53 |
| Altim | 30.26 | 30.26 | 30.25 | 30.25 | 30.25 | 30.23 | 30.22 | 30.22 | 30.23 | 30.23 | 30.25 | 30.26 | 30.25 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | -- | -- | -- | -- | -- | -- | 21 | 21 | 24 | 14 | 12 |
| Cover | SCT | SCT | CLR | CLR | CLR | CLR | CLR | CLR | BKN | BKN | BKN | OVC | BKN |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | MVFR | MVFR | MVFR | MVFR | MVFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 0 | 50 | 70 | 30 | 20 | 10 | 10 | 10 | 330 | 20 | 10 | 20 | 80 |
| WSpd | 0 | 5 | 3 | 5 | 3 | 3 | 3 | 3 | 3 | 6 | 7 | 6 | 5 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KIAD 280152Z 00000KT 10SM SCT060 SCT250 14/09 A3026 RMK AO2 SLP246 T01390094KIAD 280252Z 05005KT 10SM FEW035 SCT060 14/10 A3026 RMK AO2 SLP245 T01390100 50003KIAD 280352Z 07003KT 10SM CLR 13/10 A3025 RMK AO2 SLP244 T01330100KIAD 280452Z 03005KT 10SM CLR 13/10 A3025 RMK AO2 SLP244 T01330100 402220122KIAD 280552Z 02003KT 10SM CLR 12/09 A3025 RMK AO2 SLP241 T01170094 10156 20117 58003KIAD 280652Z 01003KT 10SM CLR 11/09 A3023 RMK AO2 SLP235 T01110094KIAD 280752Z 01003KT 10SM CLR 12/10 A3022 RMK AO2 SLP233 T01170100KIAD 280852Z 01003KT 10SM CLR 11/09 A3022 RMK AO2 SLP233 T01110094 56008KIAD 280952Z 33003KT 10SM BKN021 12/09 A3023 RMK AO2 SLP235 T01170094KIAD 281052Z 02006KT 10SM BKN021 12/09 A3023 RMK AO2 SLP236 T01220094KIAD 281152Z 01007KT 10SM SCT019 BKN024 13/09 A3025 RMK AO2 SLP242 T01280094 10128 20106 53009KIAD 281252Z 02006KT 10SM BKN014 OVC027 14/11 A3026 RMK AO2 SLP246 BINOVC T01390106KIAD 281352Z 08005KT 10SM BKN012 16/12 A3025 RMK AO2 SLP244 T01610117