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Impacts METAR Board
KDCA - Washington/National, VA, US
Updated at: 0200 UTC 23 Oct 2018
| Potential Impact | None | Slight | Moderate | High |
| Time | 22/14Z | 22/15Z | 22/16Z | 22/17Z | 22/18Z | 22/19Z | 22/20Z | 22/21Z | 22/22Z | 22/23Z | 23/00Z | 23/01Z | 23/02Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 47 | 50 | 53 | 54 | 55 | 56 | 57 | 57 | 56 | 54 | 53 | 53 | 52 |
| Dewpt | 33 | 32 | 35 | 33 | 34 | 34 | 35 | 34 | 35 | 37 | 38 | 39 | 40 |
| Altim | 30.35 | 30.34 | 30.32 | 30.29 | 30.25 | 30.22 | 30.20 | 30.18 | 30.18 | 30.17 | 30.18 | 30.17 | 30.17 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | -- | -- | -- | 250 | 250 | -- | -- | 250 | 250 | -- | -- |
| Cover | FEW | FEW | FEW | FEW | SCT | BKN | BKN | SCT | SCT | BKN | BKN | SCT | SCT |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 220 | 220 | 190 | 220 | 200 | 200 | 200 | 210 | 190 | 190 | 200 | 190 | 190 |
| WSpd | 5 | 10 | 9 | 12 | 13 | 14 | 11 | 13 | 9 | 8 | 7 | 9 | 8 |
| WGst | -- | -- | -- | -- | 18 | -- | -- | 20 | -- | -- | -- | -- | -- |
KDCA 221352Z 22005KT 10SM FEW160 08/01 A3035 RMK AO2 SLP277 T00830006KDCA 221452Z 22010KT 10SM FEW160 10/00 A3034 RMK AO2 SLP273 T01000000 50003KDCA 221552Z 19009KT 10SM FEW160 FEW250 12/02 A3032 RMK AO2 SLP267 T01170017KDCA 221652Z 22012KT 10SM FEW170 FEW250 12/01 A3029 RMK AO2 SLP256 T01220006KDCA 221752Z 20013G18KT 10SM SCT250 13/01 A3025 RMK AO2 SLP245 T01280011 10133 20039 58028KDCA 221852Z 20014KT 10SM BKN250 13/01 A3022 RMK AO2 SLP232 T01330011KDCA 221952Z 20011KT 10SM BKN250 14/02 A3020 RMK AO2 SLP227 T01390017KDCA 222052Z 21013G20KT 10SM SCT250 14/01 A3018 RMK AO2 SLP221 T01390011 56024KDCA 222152Z 19009KT 10SM FEW120 SCT250 13/02 A3018 RMK AO2 SLP219 T01330017KDCA 222252Z 19008KT 10SM FEW120 BKN250 12/03 A3017 RMK AO2 SLP218 T01220028KDCA 222352Z 20007KT 10SM FEW120 BKN250 12/03 A3018 RMK AO2 SLP220 T01170033 10144 20117 55002KDCA 230052Z 19009KT 10SM SCT250 12/04 A3017 RMK AO2 SLP217 T01170039KDCA 230152Z 19008KT 10SM SCT250 11/04 A3017 RMK AO2 SLP216 T01110044