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Impacts METAR Board
KIAD - Washington/Dulles In, VA, US
Updated at: 1300 UTC 21 Aug 2019
| Potential Impact | None | Slight | Moderate | High |
| Time | 21/01Z | 21/02Z | 21/03Z | 21/04Z | 21/05Z | 21/06Z | 21/07Z | 21/08Z | 21/09Z | 21/10Z | 21/11Z | 21/12Z | 21/13Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 72 | 70 | 70 | 70 | 71 | 70 | 71 | 70 | 70 | 69 | 70 | 71 | 75 |
| Dewpt | 69 | 68 | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 68 | 70 |
| Altim | 30.06 | 30.04 | 30.02 | 30.05 | 30.05 | 30.03 | 30.01 | 30.00 | 29.99 | 29.98 | 29.99 | 29.99 | 29.98 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | 140 | 140 | -- | 250 | 250 | 250 | 160 | 250 | 240 | 250 | 250 | 160 | 150 |
| Cover | BKN | BKN | SCT | BKN | BKN | BKN | OVC | BKN | BKN | BKN | BKN | BKN | BKN |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 0 | 0 | 0 | 170 | 150 | 160 | 0 | 170 | 0 | 170 | 180 | 230 | 0 |
| WSpd | 0 | 0 | 0 | 6 | 4 | 5 | 0 | 4 | 0 | 5 | 5 | 3 | 4 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KIAD 210052Z 00000KT 10SM FEW075 SCT110 BKN140 22/21 A3006 RMK AO2 RAE2356 TSE2356 SLP176 P0000 T02220206KIAD 210152Z 00000KT 10SM FEW110 BKN140 21/20 A3004 RMK AO2 SLP169 T02110200KIAD 210252Z 00000KT 10SM FEW060 SCT140 SCT250 21/20 A3002 RMK AO2 SLP163 60000 T02110200 58013KIAD 210352Z 17006KT 10SM FEW140 BKN250 21/20 A3005 RMK AO2 SLP171 T02110200KIAD 210452Z 15004KT 10SM FEW130 BKN250 22/20 A3005 RMK AO2 SLP171 T02170200 403330211KIAD 210552Z 16005KT 10SM BKN250 21/19 A3003 RMK AO2 SLP164 60000 T02110194 10233 20206 50002KIAD 210652Z 00000KT 10SM BKN160 OVC250 22/19 A3001 RMK AO2 SLP158 T02170194KIAD 210752Z 17004KT 10SM FEW160 BKN250 21/19 A3000 RMK AO2 SLP153 T02110194KIAD 210852Z 00000KT 10SM BKN240 21/19 A2999 RMK AO2 SLP151 T02110194 56014KIAD 210952Z 17005KT 10SM FEW160 BKN250 21/19 A2998 RMK AO2 SLP148 T02060194KIAD 211052Z 18005KT 10SM FEW100 SCT160 BKN250 21/19 A2999 RMK AO2 SLP151 T02110194KIAD 211152Z 23003KT 10SM FEW005 SCT100 BKN160 BKN250 22/20 A2999 RMK AO2 SLP151 70148 T02170200 10217 20206 53000KIAD 211252Z VRB04KT 10SM FEW009 SCT100 BKN150 BKN240 24/21 A2998 RMK AO2 SLP150 T02390211