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Impacts METAR Board
KBOS - Boston/Logan Intl, MA, US
Updated at: 2100 UTC 21 Sep 2021
| Potential Impact | None | Slight | Moderate | High |
| Time | 21/09Z | 21/10Z | 21/11Z | 21/12Z | 21/13Z | 21/14Z | 21/15Z | 21/16Z | 21/17Z | 21/18Z | 21/19Z | 21/20Z | 21/21Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 59 | 59 | 57 | 63 | 66 | 67 | 69 | 70 | 71 | 71 | 72 | 72 | 72 |
| Dewpt | 52 | 53 | 52 | 54 | 56 | 58 | 60 | 62 | 62 | 63 | 62 | 63 | 63 |
| Altim | 30.40 | 30.40 | 30.41 | 30.42 | 30.42 | 30.43 | 30.42 | 30.41 | 30.40 | 30.38 | 30.36 | 30.34 | 30.34 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | -- | -- | -- | 34 | -- | -- | -- | -- | -- | -- | -- |
| Cover | FEW | FEW | FEW | FEW | SCT | BKN | SCT | FEW | FEW | SCT | SCT | SCT | SCT |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 0 | 0 | 360 | 360 | 20 | 80 | 90 | 70 | 80 | 80 | 80 | 80 | 80 |
| WSpd | 0 | 0 | 4 | 3 | 3 | 6 | 7 | 9 | 8 | 11 | 9 | 10 | 8 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KBOS 210854Z 00000KT 10SM FEW250 15/11 A3040 RMK AO2 SLP295 T01500111 56006KBOS 210954Z 00000KT 10SM FEW035 FEW250 15/12 A3040 RMK AO2 SLP295 T01500117KBOS 211054Z 36004KT 10SM FEW024 FEW060 FEW250 14/11 A3041 RMK AO2 SLP298 T01390111KBOS 211154Z 36003KT 10SM FEW023 FEW250 17/12 A3042 RMK AO2 SLP299 T01720122 10172 20139 53004KBOS 211254Z 02003KT 10SM SCT029 SCT250 19/13 A3042 RMK AO2 SLP301 T01890133KBOS 211354Z 08006KT 10SM SCT016 BKN034 19/14 A3043 RMK AO2 SLP304 T01940144KBOS 211454Z 09007KT 10SM FEW012 SCT027 SCT034 21/16 A3042 RMK AO2 SLP300 T02060156 50001KBOS 211554Z 07009KT 10SM FEW032 FEW050 21/17 A3041 RMK AO2 SLP297 T02110167KBOS 211654Z 08008KT 10SM FEW041 22/17 A3040 RMK AO2 SLP294 T02170167KBOS 211754Z 08011KT 10SM SCT041 22/17 A3038 RMK AO2 SLP287 T02170172 10222 20172 58013KBOS 211854Z 08009KT 10SM SCT041 SCT250 22/17 A3036 RMK AO2 SLP280 T02220167KBOS 211954Z 08010KT 10SM SCT050 SCT250 22/17 A3034 RMK AO2 SLP274 T02220172KBOS 212054Z 08008KT 10SM SCT050 SCT250 22/17 A3034 RMK AO2 SLP274 T02220172 56014