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Impacts METAR Board
KSEA - Seattle-Tacoma Intl, WA, US
Updated at: 2300 UTC 18 Nov 2018
| Potential Impact | None | Slight | Moderate | High |
| Time | 18/11Z | 18/12Z | 18/13Z | 18/14Z | 18/15Z | 18/16Z | 18/17Z | 18/18Z | 18/19Z | 18/20Z | 18/21Z | 18/22Z | 18/23Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 40 | 40 | 40 | 39 | 38 | 39 | 42 | 45 | 49 | 52 | 53 | 54 | 54 |
| Dewpt | 34 | 35 | 35 | 34 | 32 | 34 | 33 | 33 | 34 | 33 | 33 | 33 | 35 |
| Altim | 30.22 | 30.21 | 30.20 | 30.19 | 30.20 | 30.20 | 30.20 | 30.20 | 30.20 | 30.18 | 30.17 | 30.16 | 30.15 |
| 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 | CLR | CLR | CLR | CLR |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 10 | 30 | 30 | 0 | 20 | 10 | 360 | 20 | 10 | 20 | 0 | 360 | 340 |
| WSpd | 9 | 11 | 8 | 5 | 9 | 7 | 7 | 7 | 4 | 3 | 0 | 4 | 4 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KSEA 181053Z 01009KT 10SM CLR 04/01 A3022 RMK AO2 SLP239 T00440011KSEA 181153Z 03011KT 10SM CLR 04/02 A3021 RMK AO2 SLP237 T00440017 10067 20033 58002KSEA 181253Z 03008KT 10SM CLR 04/02 A3020 RMK AO2 SLP235 T00440017KSEA 181353Z VRB05KT 10SM CLR 04/01 A3019 RMK AO2 SLP233 T00390011KSEA 181453Z 02009KT 10SM FEW170 03/00 A3020 RMK AO2 SLP235 T00330000 55004KSEA 181553Z 01007KT 10SM SCT220 04/01 A3020 RMK AO2 SLP235 T00390011KSEA 181653Z 36007KT 10SM SCT230 06/01 A3020 RMK AO2 SLP235 T00560006KSEA 181753Z 02007KT 10SM FEW230 07/01 A3020 RMK AO2 SLP235 T00720006 10078 20033 50000KSEA 181853Z 01004KT 10SM FEW230 09/01 A3020 RMK AO2 SLP234 T00940011KSEA 181953Z 02003KT 10SM CLR 11/01 A3018 RMK AO2 SLP228 T01110006KSEA 182053Z 00000KT 10SM CLR 12/01 A3017 RMK AO2 SLP224 T01170006 58010KSEA 182153Z 36004KT 10SM CLR 12/01 A3016 RMK AO2 SLP220 T01220006KSEA 182253Z 34004KT 10SM CLR 12/02 A3015 RMK AO2 SLP217 T01220017