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Impacts METAR Board
KSEA - Seattle-Tacoma Intl, WA, US
Updated at: 2200 UTC 01 Mar 2021
| Potential Impact | None | Slight | Moderate | High |
| Time | 01/10Z | 01/11Z | 01/12Z | 01/13Z | 01/14Z | 01/15Z | 01/16Z | 01/17Z | 01/18Z | 01/19Z | 01/20Z | 01/21Z | 01/22Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 40 | 38 | 41 | 40 | 41 | 42 | 42 | 44 | 47 | 49 | 52 | 56 | 56 |
| Dewpt | 37 | 36 | 37 | 36 | 37 | 36 | 37 | 37 | 39 | 39 | 39 | 40 | 38 |
| Altim | 30.10 | 30.08 | 30.07 | 30.07 | 30.05 | 30.05 | 30.05 | 30.06 | 30.07 | 30.08 | 30.07 | 30.07 | 30.06 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | 180 | 180 | 160 | 170 | 170 | 250 | 250 | 170 | 170 | 250 | 250 |
| Cover | SCT | SCT | OVC | OVC | OVC | OVC | BKN | BKN | OVC | OVC | BKN | BKN | BKN |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 160 | 160 | 130 | 110 | 120 | 130 | 220 | 190 | 0 | 170 | 150 | 210 | 210 |
| WSpd | 5 | 7 | 4 | 7 | 6 | 6 | 3 | 3 | 0 | 6 | 9 | 7 | 9 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KSEA 010953Z 16005KT 10SM SCT200 04/03 A3010 RMK AO2 SLP202 T00440028KSEA 011053Z 16007KT 10SM SCT200 03/02 A3008 RMK AO2 SLP195 T00330022KSEA 011153Z 13004KT 10SM OVC180 05/03 A3007 RMK AO2 SLP192 T00500028 10083 20033 58012KSEA 011253Z 11007KT 10SM OVC180 04/02 A3007 RMK AO2 SLP190 T00440022KSEA 011353Z 12006KT 10SM OVC160 05/03 A3005 RMK AO2 SLP186 T00500028KSEA 011453Z 13006KT 10SM FEW120 OVC170 06/02 A3005 RMK AO2 SLP184 T00560022 57008KSEA 011553Z 22003KT 10SM FEW120 BKN170 BKN220 06/03 A3005 RMK AO2 SLP184 T00560028KSEA 011653Z 19003KT 10SM FEW140 BKN250 07/03 A3006 RMK AO2 SLP186 T00670028KSEA 011753Z 00000KT 10SM FEW130 OVC250 08/04 A3007 RMK AO2 SLP190 T00830039 10083 20044 53007KSEA 011853Z 17006KT 10SM FEW130 BKN170 OVC250 09/04 A3008 RMK AO2 SLP193 T00940039KSEA 011953Z 15009KT 10SM FEW130 BKN170 BKN250 11/04 A3007 RMK AO2 SLP191 T01110039KSEA 012053Z 21007KT 10SM FEW130 FEW170 BKN250 13/04 A3007 RMK AO2 SLP190 ACSL DSNT SE T01330044 50000KSEA 012153Z 21009KT 10SM FEW050 FEW130 BKN250 13/03 A3006 RMK AO2 SLP186 T01330033