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Impacts METAR Board
KSEA - Seattle-Tacoma Intl, WA, US
Updated at: 1900 UTC 21 Sep 2021
| Potential Impact | None | Slight | Moderate | High |
| Time | 21/07Z | 21/08Z | 21/09Z | 21/10Z | 21/11Z | 21/12Z | 21/13Z | 21/14Z | 21/15Z | 21/16Z | 21/17Z | 21/18Z | 21/19Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 56 | 56 | 54 | 53 | 52 | 52 | 50 | 51 | 53 | 56 | 61 | 62 | 69 |
| Dewpt | 48 | 49 | 48 | 48 | 49 | 49 | 48 | 49 | 50 | 49 | 50 | 52 | 49 |
| Altim | 30.33 | 30.32 | 30.31 | 30.29 | 30.28 | 30.26 | 30.24 | 30.24 | 30.23 | 30.22 | 30.21 | 30.19 | 30.17 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cover | CLR | CLR | CLR | CLR | CLR | CLR | FEW | FEW | FEW | FEW | FEW | FEW | FEW |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 10 | 0 | 350 | 360 | 0 | 30 | 20 | 0 | 350 | 360 | 340 | 310 | 20 |
| WSpd | 5 | 0 | 3 | 3 | 0 | 6 | 6 | 0 | 4 | 5 | 3 | 5 | 4 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KSEA 210653Z 01005KT 10SM CLR 13/09 A3033 RMK AO2 SLP277 T01330089KSEA 210753Z 00000KT 10SM CLR 13/09 A3032 RMK AO2 SLP272 T01330094 402000122KSEA 210853Z 35003KT 10SM CLR 12/09 A3031 RMK AO2 SLP270 T01220089 56010KSEA 210953Z 36003KT 10SM CLR 12/09 A3029 RMK AO2 SLP262 T01170089KSEA 211053Z 00000KT 10SM CLR 11/09 A3028 RMK AO2 SLP259 T01110094KSEA 211153Z 03006KT 10SM CLR 11/09 A3026 RMK AO2 SLP251 T01110094 10156 20106 58018KSEA 211253Z 02006KT 10SM FEW250 10/09 A3024 RMK AO2 SLP247 T01000089KSEA 211353Z 00000KT 10SM FEW020 11/09 A3024 RMK AO2 SLP245 T01060094KSEA 211453Z 35004KT 10SM FEW020 12/10 A3023 RMK AO2 SLP243 T01170100 56008KSEA 211553Z 36005KT 10SM FEW020 13/09 A3022 RMK AO2 SLP240 T01330094KSEA 211653Z 34003KT 10SM FEW250 16/10 A3021 RMK AO2 SLP235 T01610100KSEA 211753Z 31005KT 10SM FEW250 17/11 A3019 RMK AO2 SLP229 T01670111 10178 20094 58013KSEA 211853Z 02004KT 10SM FEW250 21/09 A3017 RMK AO2 SLP222 T02060094