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Impacts METAR Board
KBOS - Boston/Logan Intl, MA, US
Updated at: 1900 UTC 21 Jun 2018
| Potential Impact | None | Slight | Moderate | High |
| Time | 21/07Z | 21/08Z | 21/09Z | 21/10Z | 21/11Z | 21/12Z | 21/13Z | 21/14Z | 21/15Z | 21/16Z | 21/17Z | 21/18Z | 21/19Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 69 | 67 | 68 | 70 | 72 | 74 | 74 | 80 | 78 | 79 | 78 | 75 | 73 |
| Dewpt | 59 | 59 | 58 | 58 | 57 | 55 | 54 | 55 | 57 | 56 | 56 | 57 | 57 |
| Altim | 29.74 | 29.73 | 29.74 | 29.75 | 29.76 | 29.77 | 29.77 | 29.77 | 29.77 | 29.77 | 29.78 | 29.77 | 29.77 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | 150 | 140 | 160 | 170 | -- | -- | -- | -- | -- | -- | 95 |
| Cover | FEW | FEW | BKN | BKN | BKN | BKN | SCT | FEW | FEW | FEW | FEW | FEW | BKN |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 240 | 220 | 220 | 290 | 280 | 290 | 290 | 30 | 130 | 110 | 80 | 70 | 70 |
| WSpd | 4 | 5 | 3 | 5 | 6 | 4 | 6 | 7 | 7 | 11 | 11 | 12 | 13 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KBOS 210654Z 24004KT 10SM FEW240 21/15 A2974 RMK AO2 SLP070 T02060150KBOS 210754Z 22005KT 10SM FEW110 19/15 A2973 RMK AO2 SLP068 T01940150KBOS 210854Z 22003KT 10SM FEW110 BKN150 BKN250 20/14 A2974 RMK AO2 SLP069 T02000144 55005KBOS 210954Z 29005KT 10SM FEW110 BKN140 BKN250 21/14 A2975 RMK AO2 SLP072 T02110144KBOS 211054Z 28006KT 10SM BKN160 BKN250 22/14 A2976 RMK AO2 SLP076 T02220139KBOS 211154Z 29004KT 10SM BKN170 BKN250 23/13 A2977 RMK AO2 SLP079 T02330128 10233 20189 52010KBOS 211254Z 29006KT 10SM FEW050 SCT180 23/12 A2977 RMK AO2 SLP081 T02330122KBOS 211354Z 03007KT 10SM FEW050 FEW180 27/13 A2977 RMK AO2 SLP080 T02670128KBOS 211454Z 13007KT 10SM FEW045 FEW200 26/14 A2977 RMK AO2 SLP082 T02560139 53003KBOS 211554Z 11011KT 10SM FEW040 FEW200 26/13 A2977 RMK AO2 SLP082 T02610133KBOS 211654Z 08011KT 10SM FEW035 FEW200 26/13 A2978 RMK AO2 SLP083 T02560133KBOS 211754Z 07012KT 10SM FEW035 FEW200 24/14 A2977 RMK AO2 SLP081 T02390139 10267 20233 58001KBOS 211854Z 07013KT 10SM FEW033 BKN095 23/14 A2977 RMK AO2 SLP081 T02280139