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Impacts METAR Board
KSEA - Seattle-Tacoma Intl, WA, US
Updated at: 2100 UTC 20 Jun 2019
| Potential Impact | None | Slight | Moderate | High |
| Time | 20/09Z | 20/10Z | 20/11Z | 20/12Z | 20/13Z | 20/14Z | 20/15Z | 20/16Z | 20/17Z | 20/18Z | 20/19Z | 20/20Z | 20/21Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 52 | 51 | 51 | 50 | 51 | 51 | 54 | 55 | 57 | 59 | 61 | 65 | 65 |
| Dewpt | 47 | 47 | 47 | 46 | 46 | 46 | 47 | 46 | 48 | 46 | 43 | 45 | 43 |
| Altim | 30.09 | 30.09 | 30.09 | 30.10 | 30.10 | 30.12 | 30.12 | 30.12 | 30.12 | 30.12 | 30.11 | 30.11 | 30.11 |
| VIS | 4 | 5 | 10 | 10 | 10 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | 18 | 25 | 36 | 60 | 50 | 39 | 70 | -- | 23 | 250 | 55 | 36 | 65 |
| Cover | OVC | OVC | BKN | BKN | BKN | BKN | BKN | SCT | BKN | BKN | BKN | BKN | BKN |
| FltCat | MVFR | MVFR | VFR | VFR | VFR | VFR | VFR | VFR | MVFR | VFR | VFR | VFR | VFR |
| WX | RA | -RA BR | -- | -- | -- | -RA | -- | -- | -- | -- | -- | -- | -- |
| WDir | 70 | 80 | 110 | 130 | 150 | 160 | 0 | 0 | 230 | 0 | 0 | 250 | 260 |
| WSpd | 8 | 10 | 6 | 7 | 5 | 3 | 5 | 3 | 6 | 4 | 0 | 4 | 8 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KSEA 200853Z 07008KT 4SM RA BKN018 OVC025 11/08 A3009 RMK AO2 RAB25 SLP195 P0003 60005 T01110083 56010KSEA 200953Z 08010KT 5SM -RA BR SCT017 BKN025 OVC034 11/08 A3009 RMK AO2 SLP194 P0035 T01060083KSEA 201053Z 11006KT 10SM BKN036 BKN070 11/08 A3009 RMK AO2 RAE13 SLP195 P0002 T01060083KSEA 201153Z 13007KT 10SM FEW049 BKN060 10/08 A3010 RMK AO2 SLP198 60042 70048 T01000078 10117 20100 53004KSEA 201253Z 15005KT 10SM FEW007 FEW020 BKN050 11/08 A3010 RMK AO2 SLP199 T01060078KSEA 201353Z 16003KT 8SM -RA FEW008 FEW020 BKN039 11/08 A3012 RMK AO2 RAB35 SLP203 P0000 T01060078KSEA 201453Z VRB05KT 10SM FEW009 FEW020 BKN070 12/08 A3012 RMK AO2 RAE25 SLP206 P0001 60001 T01220083 53006KSEA 201553Z VRB03KT 10SM FEW007 SCT013 SCT250 13/08 A3012 RMK AO2 SLP207 T01280078KSEA 201653Z 23006KT 10SM SCT014 BKN023 BKN050 14/09 A3012 RMK AO2 SLP206 T01390089KSEA 201753Z VRB04KT 10SM FEW014 SCT023 SCT065 BKN250 15/08 A3012 RMK AO2 SLP205 60001 T01500078 10150 20100 58001KSEA 201853Z 00000KT 10SM FEW018 SCT027 BKN055 BKN250 16/06 A3011 RMK AO2 SLP203 T01610061KSEA 201953Z 25004KT 10SM FEW020 BKN036 BKN055 18/07 A3011 RMK AO2 SLP202 T01830072KSEA 202053Z 26008KT 10SM SCT040 BKN065 18/06 A3011 RMK AO2 SLP201 T01830061 56003