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Impacts METAR Board
KSEA - Seattle-Tacoma Intl, WA, US
Updated at: 1400 UTC 03 Jan 2021
| Potential Impact | None | Slight | Moderate | High |
| Time | 03/02Z | 03/03Z | 03/04Z | 03/05Z | 03/06Z | 03/07Z | 03/08Z | 03/09Z | 03/10Z | 03/11Z | 03/12Z | 03/13Z | 03/14Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 48 | 49 | 49 | 48 | 46 | 44 | 40 | 39 | 40 | 39 | 39 | 40 | 39 |
| Dewpt | 45 | 45 | 46 | 45 | 44 | 42 | 37 | 36 | 36 | 37 | 37 | 38 | 38 |
| Altim | 29.61 | 29.61 | 29.63 | 29.64 | 29.66 | 29.68 | 29.70 | 29.73 | 29.73 | 29.79 | 29.81 | 29.85 | 29.88 |
| VIS | 5 | 5 | 5 | 6 | 5 | 3 | 5 | 7 | 10 | 10 | 5 | 10 | 10 |
| CIG | 50 | 30 | 25 | 35 | 35 | 26 | 14 | 28 | 85 | 27 | 15 | 13 | 14 |
| Cover | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | BKN | BKN | BKN | OVC | OVC |
| FltCat | MVFR | MVFR | MVFR | VFR | MVFR | MVFR | MVFR | MVFR | VFR | MVFR | MVFR | MVFR | MVFR |
| WX | RA BR | -RA BR | -RA BR | -RA BR | -RA BR | -RA BR | -RA BR | -RA | -RA | -- | BR | -- | -- |
| WDir | 170 | 180 | 210 | 220 | 220 | 240 | 40 | 70 | 120 | 170 | 140 | 170 | 150 |
| WSpd | 18 | 15 | 11 | 7 | 5 | 6 | 16 | 10 | 14 | 8 | 6 | 7 | 7 |
| WGst | 27 | 21 | 19 | -- | -- | -- | -- | -- | 19 | -- | -- | -- | -- |
KSEA 030153Z 17018G27KT 5SM RA BR SCT029 OVC050 09/07 A2961 RMK AO2 PK WND 18027/0145 SLP034 P0017 T00890072KSEA 030253Z 18015G21KT 5SM -RA BR BKN030 OVC037 09/07 A2961 RMK AO2 PK WND 16026/0206 SLP033 P0016 60045 T00940072 56017KSEA 030405Z 21011G19KT 5SM -RA BR FEW009 BKN025 OVC030 09/08 A2963 RMK AO2 P0003 T00940078KSEA 030453Z 22007KT 6SM -RA BR FEW009 OVC035 09/07 A2964 RMK AO2 SLP043 P0011 T00890072KSEA 030553Z 22005KT 5SM -RA BR FEW006 SCT026 OVC035 08/07 A2966 RMK AO2 SLP050 P0008 60073 T00780067 10094 20078 53017KSEA 030700Z 24006KT 3SM -RA BR FEW008 SCT012 OVC026 07/06 A2968 RMK AO2 P0002 T00670056KSEA 030804Z 04016KT 5SM -RA BR SCT007 BKN014 OVC020 04/03 A2970 RMK AO2 WSHFT 0749 P0004 T00440028KSEA 030853Z 07010KT 7SM -RA FEW007 SCT021 OVC028 04/02 A2973 RMK AO2 WSHFT 0749 SLP075 P0008 60039 T00390022 53024KSEA 030953Z 12014G19KT 10SM -RA SCT049 SCT070 BKN085 04/02 A2973 RMK AO2 SLP076 P0002 T00440022KSEA 031105Z 17008KT 10SM FEW006 SCT018 BKN027 04/03 A2979 RMK AO2 T00390028KSEA 031153Z 14006KT 5SM BR SCT009 BKN015 04/03 A2981 RMK AO2 SLP104 60041 70177 T00390028 10078 20039 53028KSEA 031253Z 17007KT 10SM BKN013 OVC035 04/03 A2985 RMK AO2 SLP116 T00440033KSEA 031353Z 15007KT 10SM SCT010 OVC014 04/03 A2988 RMK AO2 SLP126 T00390033