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Impacts METAR Board
KSEA - Seattle-Tacoma Intl, WA, US
Updated at: 1500 UTC 23 May 2018
| Potential Impact | None | Slight | Moderate | High |
| Time | 23/03Z | 23/04Z | 23/05Z | 23/06Z | 23/07Z | 23/08Z | 23/09Z | 23/10Z | 23/11Z | 23/12Z | 23/13Z | 23/14Z | 23/15Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 74 | 70 | 66 | 65 | 64 | 63 | 62 | 58 | 57 | 57 | 59 | 61 | 63 |
| Dewpt | 49 | 50 | 50 | 50 | 49 | 48 | 49 | 48 | 49 | 48 | 48 | 48 | 49 |
| Altim | 29.82 | 29.83 | 29.84 | 29.84 | 29.83 | 29.83 | 29.82 | 29.82 | 29.82 | 29.82 | 29.81 | 29.83 | 29.83 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cover | CLR | CLR | CLR | CLR | FEW | SCT | SCT | FEW | FEW | FEW | FEW | FEW | FEW |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 340 | 350 | 360 | 10 | 20 | 20 | 20 | 330 | 320 | 20 | 40 | 0 | 280 |
| WSpd | 7 | 7 | 7 | 10 | 9 | 10 | 12 | 6 | 4 | 5 | 4 | 0 | 4 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KSEA 230253Z 34007KT 10SM CLR 23/09 A2982 RMK AO2 SLP103 T02330094 56008KSEA 230353Z 35007KT 10SM CLR 21/10 A2983 RMK AO2 SLP105 T02110100KSEA 230453Z 36007KT 10SM CLR 19/10 A2984 RMK AO2 SLP108 T01890100KSEA 230553Z 01010KT 10SM CLR 18/10 A2984 RMK AO2 SLP108 T01830100 10261 20178 50004KSEA 230653Z 02009KT 10SM FEW140 18/09 A2983 RMK AO2 SLP106 T01780094KSEA 230753Z 02010KT 10SM SCT140 17/09 A2983 RMK AO2 SLP104 T01720089 402610106KSEA 230853Z 02012KT 10SM SCT110 17/09 A2982 RMK AO2 SLP101 T01670094 58007KSEA 230953Z 33006KT 10SM FEW110 14/09 A2982 RMK AO2 SLP101 T01440089KSEA 231053Z 32004KT 10SM FEW110 14/09 A2982 RMK AO2 SLP100 T01390094KSEA 231153Z 02005KT 10SM FEW110 14/09 A2982 RMK AO2 SLP102 T01390089 10189 20128 53001KSEA 231253Z 04004KT 10SM FEW110 15/09 A2981 RMK AO2 SLP100 T01500089KSEA 231353Z 00000KT 10SM FEW110 16/09 A2983 RMK AO2 SLP104 T01610089KSEA 231453Z 28004KT 10SM FEW110 17/09 A2983 RMK AO2 SLP106 T01720094 53005