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Impacts METAR Board
KSEA - Seattle-Tacoma Intl, WA, US
Updated at: 1300 UTC 27 Feb 2021
| Potential Impact | None | Slight | Moderate | High |
| Time | 27/01Z | 27/02Z | 27/03Z | 27/04Z | 27/05Z | 27/06Z | 27/07Z | 27/08Z | 27/09Z | 27/10Z | 27/11Z | 27/12Z | 27/13Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 42 | 42 | 41 | 42 | 41 | 38 | 39 | 36 | 37 | 36 | 35 | 35 | 34 |
| Dewpt | 35 | 35 | 35 | 36 | 34 | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 32 |
| Altim | 29.94 | 29.93 | 29.94 | 29.94 | 29.94 | 29.99 | 30.00 | 30.01 | 30.04 | 30.08 | 30.09 | 30.11 | 30.14 |
| VIS | 10 | 10 | 10 | 10 | 10 | 5 | 10 | 10 | 10 | 10 | 10 | 9 | 10 |
| CIG | 80 | 250 | -- | 50 | 80 | 24 | 47 | 70 | 75 | 80 | -- | -- | -- |
| Cover | BKN | BKN | SCT | BKN | OVC | OVC | OVC | BKN | BKN | BKN | SCT | SCT | SCT |
| FltCat | VFR | VFR | VFR | VFR | VFR | MVFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -RA | -- | -- | -- | -- | -RA BR | -- | -- | -- | -- | -- | -- | -- |
| WDir | 50 | 100 | 120 | 210 | 190 | 70 | 130 | 170 | 120 | 160 | 110 | 120 | 140 |
| WSpd | 13 | 6 | 8 | 7 | 7 | 9 | 9 | 7 | 8 | 4 | 6 | 5 | 6 |
| WGst | 17 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KSEA 270053Z 05013G17KT 10SM -RA SCT037 BKN080 BKN250 06/02 A2994 RMK AO2 RAB50 SLP145 P0002 T00560017KSEA 270153Z 10006KT 10SM FEW040 SCT075 BKN250 06/02 A2993 RMK AO2 RAE14 SLP145 P0001 T00560017KSEA 270253Z 12008KT 10SM FEW040 SCT080 SCT250 05/02 A2994 RMK AO2 SLP146 60003 T00500017 51004KSEA 270353Z 21007KT 10SM SCT036 BKN050 06/02 A2994 RMK AO2 SLP147 T00560022KSEA 270453Z 19007KT 10SM FEW029 SCT050 OVC080 05/01 A2994 RMK AO2 RAB11E29 SLP149 P0000 T00500011KSEA 270553Z 07009KT 5SM -RA BR SCT016 BKN024 OVC060 03/02 A2999 RMK AO2 SLP164 RAB14GRB18E34 P0007 60010 T00330017 10094 20033 53017KSEA 270653Z 13009KT 10SM SCT036 BKN047 OVC085 04/02 A3000 RMK AO2 RAE38 SLP166 P0002 T00390017KSEA 270753Z 17007KT 10SM FEW045 BKN070 02/01 A3001 RMK AO2 SLP170 T00220011 401060022KSEA 270853Z 12008KT 10SM SCT036 SCT043 BKN075 03/01 A3004 RMK AO2 SLP180 60002 T00280011 53017KSEA 270953Z 16004KT 10SM FEW070 BKN080 02/01 A3008 RMK AO2 SLP194 T00220011KSEA 271053Z 11006KT 10SM SCT080 02/01 A3009 RMK AO2 SLP197 T00170006KSEA 271153Z 12005KT 9SM SCT047 02/01 A3011 RMK AO2 SLP206 60002 70013 T00170006 10039 20011 51025KSEA 271253Z 14006KT 10SM SCT045 01/00 A3014 RMK AO2 SLP216 T00110000