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Impacts METAR Board
KIAD - Washington/Dulles In, VA, US
Updated at: 0100 UTC 31 May 2020
| Potential Impact | None | Slight | Moderate | High |
| Time | 30/13Z | 30/14Z | 30/15Z | 30/16Z | 30/17Z | 30/18Z | 30/19Z | 30/20Z | 30/21Z | 30/22Z | 30/23Z | 31/00Z | 31/01Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 70 | 72 | 74 | 77 | 78 | 79 | 80 | 82 | 81 | 82 | 81 | 79 | 75 |
| Dewpt | 57 | 54 | 51 | 46 | 47 | 48 | 49 | 50 | 49 | 49 | 48 | 49 | 49 |
| Altim | 30.00 | 30.00 | 30.00 | 29.98 | 29.98 | 29.96 | 29.95 | 29.94 | 29.93 | 29.92 | 29.92 | 29.94 | 29.97 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | 250 | -- | -- | -- | -- | -- | -- | -- | -- | 100 | -- | -- | -- |
| Cover | BKN | SCT | FEW | FEW | FEW | FEW | FEW | SCT | SCT | BKN | SCT | SCT | FEW |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 320 | 320 | 340 | 320 | 340 | 0 | 0 | 0 | 0 | 0 | 330 | 320 | 330 |
| WSpd | 8 | 9 | 6 | 9 | 4 | 0 | 5 | 0 | 0 | 3 | 9 | 6 | 8 |
| WGst | 17 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KIAD 301252Z 32008G17KT 10SM FEW025 FEW070 SCT120 BKN250 21/14 A3000 RMK AO2 SLP157 T02110139KIAD 301352Z 32009KT 10SM FEW028 FEW070 SCT120 22/12 A3000 RMK AO2 SLP155 T02220122KIAD 301452Z 34006KT 10SM FEW030 FEW120 FEW250 23/11 A3000 RMK AO2 SLP154 T02330106 50002KIAD 301552Z 32009KT 10SM FEW030 FEW110 25/08 A2998 RMK AO2 SLP150 T02500078KIAD 301652Z 34004KT 10SM FEW035 FEW120 26/08 A2998 RMK AO2 SLP148 T02560083KIAD 301752Z 00000KT 10SM FEW045 FEW120 26/09 A2996 RMK AO2 SLP144 T02610089 10267 20206 57010KIAD 301852Z VRB05KT 10SM FEW050 FEW120 FEW200 27/09 A2995 RMK AO2 SLP140 T02670094KIAD 301952Z 00000KT 10SM SCT085 SCT200 28/10 A2994 RMK AO2 SLP135 T02780100KIAD 302052Z 00000KT 10SM SCT080 27/09 A2993 RMK AO2 SLP133 T02720094 56010KIAD 302152Z VRB03KT 10SM SCT080 BKN100 28/09 A2992 RMK AO2 SLP130 T02780094KIAD 302252Z 33009KT 10SM FEW085 SCT100 27/09 A2992 RMK AO2 SLP130 T02720089KIAD 302352Z 32006KT 10SM SCT100 26/09 A2994 RMK AO2 SLP135 T02610094 10278 20261 53002KIAD 310052Z 33008KT 10SM FEW100 24/09 A2997 RMK AO2 SLP144 T02390094