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Impacts METAR Board
KBOS - Boston/Logan Intl, MA, US
Updated at: 0300 UTC 20 Aug 2018
| Potential Impact | None | Slight | Moderate | High |
| Time | 19/15Z | 19/16Z | 19/17Z | 19/18Z | 19/19Z | 19/20Z | 19/21Z | 19/22Z | 19/23Z | 20/00Z | 20/01Z | 20/02Z | 20/03Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 71 | 72 | 72 | 71 | 71 | 72 | 70 | 70 | 69 | 69 | 69 | 69 | 67 |
| Dewpt | 61 | 61 | 61 | 60 | 61 | 60 | 60 | 60 | 60 | 61 | 61 | 62 | 64 |
| Altim | 30.04 | 30.05 | 30.04 | 30.05 | 30.06 | 30.06 | 30.07 | 30.07 | 30.08 | 30.09 | 30.10 | 30.10 | 30.10 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 10 |
| CIG | -- | 250 | 250 | 250 | 27 | 29 | 22 | 21 | 27 | 50 | 40 | 43 | 17 |
| Cover | SCT | OVC | BKN | BKN | OVC | BKN | BKN | BKN | BKN | OVC | OVC | OVC | OVC |
| FltCat | VFR | VFR | VFR | VFR | MVFR | MVFR | MVFR | MVFR | MVFR | VFR | VFR | VFR | MVFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 70 | 60 | 70 | 70 | 50 | 60 | 60 | 50 | 50 | 40 | 50 | 50 | 40 |
| WSpd | 15 | 15 | 17 | 18 | 14 | 14 | 15 | 13 | 12 | 11 | 17 | 12 | 12 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KBOS 191454Z 07015KT 10SM SCT022 SCT250 22/16 A3004 RMK AO2 SLP173 T02170161 51020 $KBOS 191554Z 06015KT 10SM SCT022 OVC250 22/16 A3005 RMK AO2 SLP174 T02220161 $KBOS 191654Z 07017KT 10SM SCT025 BKN250 22/16 A3004 RMK AO2 SLP171 T02220161 $KBOS 191754Z 07018KT 10SM SCT025 BKN250 22/16 A3005 RMK AO2 SLP174 T02170156 10222 20211 53001 $KBOS 191854Z 05014KT 10SM SCT019 OVC027 22/16 A3006 RMK AO2 SLP178 T02170161 $KBOS 191954Z 06014KT 10SM SCT020 BKN029 BKN220 22/16 A3006 RMK AO2 SLP179 T02220156 $KBOS 192058Z 06015KT 10SM BKN022 21/16 A3007 RMK AO2 T02110156 $KBOS 192154Z 05013KT 10SM BKN021 21/16 A3007 RMK AO2 SLP183 T02110156 $KBOS 192254Z 05012KT 10SM SCT022 BKN027 BKN220 21/16 A3008 RMK AO2 SLP185 T02060156 $KBOS 192354Z 04011KT 10SM SCT020 BKN050 OVC220 21/16 A3009 RMK AO2 SLP189 T02060161 10228 20206 53008 $KBOS 200054Z 05017KT 9SM SCT019 BKN040 OVC047 21/16 A3010 RMK AO2 CIG 019 E SLP194 T02060161 $KBOS 200154Z 05012KT 10SM SCT018 BKN043 OVC049 21/17 A3010 RMK AO2 SLP194 T02060167 $KBOS 200254Z 04012KT 10SM FEW008 BKN017 OVC028 19/18 A3010 RMK AO2 RAB11E47 SLP192 P0001 60001 T01940178 50003 $