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Impacts METAR Board
KIAD - Washington/Dulles In, VA, US
Updated at: 0300 UTC 16 Aug 2018
| Potential Impact | None | Slight | Moderate | High |
| Time | 15/15Z | 15/16Z | 15/17Z | 15/18Z | 15/19Z | 15/20Z | 15/21Z | 15/22Z | 15/23Z | 16/00Z | 16/01Z | 16/02Z | 16/03Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 83 | 85 | 86 | 87 | 88 | 89 | 87 | 87 | 86 | 81 | 77 | 74 | 72 |
| Dewpt | 68 | 68 | 66 | 67 | 67 | 67 | 66 | 66 | 66 | 69 | 70 | 71 | 70 |
| Altim | 30.05 | 30.05 | 30.04 | 30.03 | 30.03 | 30.02 | 30.02 | 30.02 | 30.02 | 30.03 | 30.04 | 30.06 | 30.06 |
| VIS | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | 250 | 250 | 200 | 50 | 140 | 140 | 250 | 250 | 250 | 250 | 250 |
| Cover | FEW | SCT | BKN | BKN | BKN | BKN | BKN | BKN | BKN | BKN | BKN | BKN | BKN |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 310 | 280 | 290 | 300 | 290 | 300 | 300 | 0 | 290 | 0 | 0 | 180 | 170 |
| WSpd | 8 | 8 | 12 | 12 | 9 | 8 | 7 | 5 | 6 | 0 | 0 | 3 | 3 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KIAD 151452Z 31008KT 10SM FEW110 FEW250 28/20 A3005 RMK AO2 SLP174 T02830200 51013KIAD 151552Z 28008KT 9SM FEW110 SCT250 29/20 A3005 RMK AO2 SLP172 T02940200KIAD 151652Z 29012KT 10SM FEW038 BKN250 30/19 A3004 RMK AO2 SLP169 T03000189KIAD 151752Z 30012KT 10SM SCT040 BKN250 31/19 A3003 RMK AO2 SLP166 T03060194 10306 20222 58007KIAD 151852Z 29009KT 10SM SCT045 BKN200 31/19 A3003 RMK AO2 SLP164 T03110194KIAD 151952Z 30008KT 10SM BKN050 BKN200 32/19 A3002 RMK AO2 SLP163 T03170194KIAD 152052Z 30007KT 10SM FEW060 BKN140 BKN250 31/19 A3002 RMK AO2 SLP163 T03060189 56003KIAD 152152Z VRB05KT 10SM FEW060 BKN140 BKN250 31/19 A3002 RMK AO2 SLP162 T03060189KIAD 152252Z 29006KT 10SM FEW060 SCT140 BKN250 30/19 A3002 RMK AO2 SLP162 T03000189KIAD 152352Z 00000KT 10SM FEW060 SCT140 BKN250 27/21 A3003 RMK AO2 SLP166 T02720206 10317 20272 53002KIAD 160052Z 00000KT 10SM FEW070 SCT140 BKN250 25/21 A3004 RMK AO2 SLP169 T02500211KIAD 160152Z 18003KT 10SM SCT140 BKN250 23/22 A3006 RMK AO2 SLP175 T02330217KIAD 160252Z 17003KT 10SM FEW150 BKN250 22/21 A3006 RMK AO2 SLP177 T02220211 51011