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Impacts METAR Board
KDCA - Washington/National, VA, US
Updated at: 0500 UTC 17 Aug 2018
| Potential Impact | None | Slight | Moderate | High |
| Time | 16/17Z | 16/18Z | 16/19Z | 16/20Z | 16/21Z | 16/22Z | 16/23Z | 17/00Z | 17/01Z | 17/02Z | 17/03Z | 17/04Z | 17/05Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 88 | 89 | 90 | 90 | 89 | 88 | 88 | 84 | 83 | 82 | 81 | 81 | 80 |
| Dewpt | 72 | 69 | 70 | 70 | 73 | 72 | 71 | 74 | 75 | 74 | 74 | 74 | 74 |
| Altim | 30.10 | 30.10 | 30.09 | 30.07 | 30.06 | 30.06 | 30.07 | 30.08 | 30.09 | 30.11 | 30.10 | 30.11 | 30.11 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | -- | -- |
| Cover | OVC | BKN | BKN | OVC | OVC | OVC | OVC | BKN | BKN | BKN | BKN | FEW | FEW |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 170 | 170 | 170 | 170 | 170 | 170 | 190 | 180 | 180 | 200 | 190 | 180 | 180 |
| WSpd | 7 | 10 | 11 | 11 | 11 | 10 | 7 | 7 | 5 | 7 | 6 | 6 | 5 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KDCA 161652Z 17007KT 10SM FEW040 OVC250 31/22 A3010 RMK AO2 SLPNO T03110222KDCA 161752Z 17010KT 10SM SCT050 BKN250 32/21 A3010 RMK AO2 SLPNO 10322 20256 T03170206 58005KDCA 161852Z 17011KT 10SM SCT055 BKN250 32/21 A3009 RMK AO2 SLPNO T03220211KDCA 161952Z 17011KT 10SM SCT055 SCT160 OVC250 32/21 A3007 RMK AO2 SLPNO T03220211KDCA 162052Z 17011KT 10SM SCT048 OVC250 32/23 A3006 RMK AO2 SLPNO T03170228 56014KDCA 162152Z 17010KT 10SM FEW048 OVC250 31/22 A3006 RMK AO2 SLPNO T03110222KDCA 162252Z 19007KT 10SM FEW045 OVC250 31/22 A3007 RMK AO2 SLPNO T03110217KDCA 162352Z 18007KT 10SM FEW150 BKN250 29/23 A3008 RMK AO2 SLPNO T02890233 10322 20289 53006KDCA 170052Z 18005KT 10SM BKN250 28/24 A3009 RMK AO2 SLPNO T02830239KDCA 170152Z 20007KT 10SM BKN250 28/23 A3011 RMK AO2 SLPNO T02780233KDCA 170252Z 19006KT 10SM BKN250 27/23 A3010 RMK AO2 SLP193 T02720233 50008KDCA 170352Z 18006KT 10SM FEW250 27/23 A3011 RMK AO2 SLP194 T02720233KDCA 170452Z 18005KT 10SM FEW250 27/23 A3011 RMK AO2 SLP197 T02670233 403220267