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Impacts METAR Board
KSEA - Seattle-Tacoma Intl, WA, US
Updated at: 2200 UTC 21 May 2022
| Potential Impact | None | Slight | Moderate | High |
| Time | 21/10Z | 21/11Z | 21/12Z | 21/13Z | 21/14Z | 21/15Z | 21/16Z | 21/17Z | 21/18Z | 21/19Z | 21/20Z | 21/21Z | 21/22Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 48 | 47 | 46 | 44 | 47 | 50 | 53 | 56 | 57 | 58 | 60 | 63 | 65 |
| Dewpt | 41 | 41 | 40 | 40 | 41 | 42 | 43 | 45 | 44 | 46 | 45 | 44 | 41 |
| Altim | 30.20 | 30.19 | 30.20 | 30.21 | 30.22 | 30.23 | 30.23 | 30.22 | 30.22 | 30.22 | 30.22 | 30.20 | 30.19 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cover | CLR | CLR | FEW | FEW | FEW | FEW | FEW | FEW | SCT | SCT | FEW | FEW | FEW |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 60 | 90 | 100 | 140 | 130 | 70 | 0 | 350 | 0 | 310 | 290 | 300 | 10 |
| WSpd | 5 | 5 | 3 | 3 | 4 | 4 | 4 | 4 | 0 | 7 | 9 | 10 | 9 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | 16 | 16 | -- | 16 |
KSEA 210953Z 06005KT 10SM CLR 09/05 A3020 RMK AO2 SLP232 T00890050KSEA 211053Z 09005KT 10SM CLR 08/05 A3019 RMK AO2 SLP231 T00830050KSEA 211153Z 10003KT 10SM FEW050 08/04 A3020 RMK AO2 SLP232 T00780044 10117 20078 55002KSEA 211253Z 14003KT 10SM FEW050 07/04 A3021 RMK AO2 SLP236 T00670044KSEA 211353Z 13004KT 10SM FEW050 08/05 A3022 RMK AO2 SLP239 T00830050KSEA 211453Z 07004KT 10SM FEW050 10/06 A3023 RMK AO2 SLP243 T01000056 51010KSEA 211553Z VRB04KT 10SM FEW050 12/06 A3023 RMK AO2 SLP243 T01170061KSEA 211653Z 35004KT 10SM FEW040 13/07 A3022 RMK AO2 SLP241 T01330072KSEA 211753Z 00000KT 10SM SCT030 14/07 A3022 RMK AO2 SLP241 T01390067 10139 20067 57002KSEA 211853Z 31007G16KT 10SM SCT030 14/08 A3022 RMK AO2 SLP241 T01440078KSEA 211953Z 29009G16KT 10SM FEW030 16/07 A3022 RMK AO2 SLP238 T01560072KSEA 212053Z 30010KT 10SM FEW030 17/07 A3020 RMK AO2 SLP232 T01720067 58009KSEA 212153Z 01009G16KT 10SM FEW035 18/05 A3019 RMK AO2 SLP229 T01830050