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Impacts METAR Board
KDCA - Washington/National, VA, US
Updated at: 1500 UTC 21 Sep 2023
| Potential Impact | None | Slight | Moderate | High |
| Time | 21/03Z | 21/04Z | 21/05Z | 21/06Z | 21/07Z | 21/08Z | 21/09Z | 21/10Z | 21/11Z | 21/12Z | 21/13Z | 21/14Z | 21/15Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 68 | 68 | 67 | 64 | 64 | 62 | 62 | 61 | 61 | 63 | 67 | 70 | 75 |
| Dewpt | 55 | 55 | 56 | 58 | 57 | 57 | 55 | 56 | 56 | 56 | 58 | 58 | 56 |
| Altim | 30.20 | 30.21 | 30.20 | 30.20 | 30.21 | 30.21 | 30.23 | 30.24 | 30.24 | 30.25 | 30.26 | 30.28 | 30.27 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | -- | -- | -- | -- | -- | -- | 250 | 250 | 250 | 250 | 250 |
| Cover | SCT | SCT | SCT | SCT | FEW | FEW | FEW | FEW | BKN | BKN | BKN | BKN | BKN |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 240 | 240 | 0 | 350 | 0 | 360 | 350 | 340 | 360 | 360 | 30 | 70 | 50 |
| WSpd | 3 | 3 | 0 | 4 | 0 | 4 | 4 | 5 | 6 | 4 | 3 | 3 | 7 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KDCA 210252Z 24003KT 10SM SCT250 20/13 A3020 RMK AO2 SLP227 T02000128 51014KDCA 210352Z 24003KT 10SM SCT250 20/13 A3021 RMK AO2 SLP228 T02000128KDCA 210452Z 00000KT 10SM SCT250 19/13 A3020 RMK AO2 SLP226 T01940133 402720144KDCA 210552Z 35004KT 10SM SCT250 18/14 A3020 RMK AO2 SLP226 T01780144 10222 20172 58001KDCA 210652Z 00000KT 10SM FEW250 18/14 A3021 RMK AO2 SLP228 T01780139KDCA 210752Z 36004KT 10SM FEW250 17/14 A3021 RMK AO2 SLP230 T01670139KDCA 210852Z 35004KT 10SM FEW250 17/13 A3023 RMK AO2 SLP236 T01670128 53010KDCA 210952Z 34005KT 10SM FEW250 16/13 A3024 RMK AO2 SLP238 T01610133KDCA 211052Z 36006KT 10SM BKN250 16/13 A3024 RMK AO2 SLP240 T01610133KDCA 211152Z 36004KT 10SM BKN250 17/13 A3025 RMK AO2 SLP244 T01720133 10183 20156 53008KDCA 211252Z 03003KT 10SM BKN250 19/14 A3026 RMK AO2 SLP247 T01940144KDCA 211352Z 07003KT 10SM BKN250 21/14 A3028 RMK AO2 SLP252 T02110144KDCA 211452Z 05007KT 10SM BKN250 24/13 A3027 RMK AO2 SLP251 T02390133 51007