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Impacts METAR Board
KBOS - Boston/Logan Intl, MA, US
Updated at: 2100 UTC 21 May 2022
| 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 | 55 | 57 | 57 | 58 | 61 | 62 | 62 | 62 | 68 | 69 | 70 | 62 | 63 |
| Dewpt | 54 | 56 | 56 | 57 | 60 | 61 | 61 | 59 | 62 | 61 | 62 | 58 | 58 |
| Altim | 29.97 | 29.98 | 29.99 | 30.01 | 30.02 | 30.02 | 30.03 | 30.04 | 30.01 | 30.00 | 29.99 | 29.99 | 29.98 |
| VIS | 1 | 0.75 | 0.75 | 0.5 | 0.5 | 0.75 | 2 | 7 | 10 | 6 | 6 | 1.25 | 1.5 |
| CIG | 2 | 2 | 3 | 5 | 5 | 5 | 8 | 11 | 250 | 250 | 250 | 2 | -- |
| Cover | OVC | OVC | OVC | OVC | OVC | OVC | OVC | BKN | BKN | OVC | BKN | OVC | SCT |
| FltCat | LIFR | LIFR | LIFR | LIFR | LIFR | LIFR | IFR | MVFR | VFR | VFR | VFR | LIFR | IFR |
| WX | -DZ BR | -DZ BR | BR | BR | FG | BR | BR | -- | -- | HZ | HZ | BR | HZ |
| WDir | 80 | 10 | 20 | 20 | 360 | 70 | 100 | 140 | 130 | 70 | 80 | 70 | 70 |
| WSpd | 3 | 4 | 4 | 6 | 3 | 4 | 5 | 4 | 7 | 6 | 7 | 8 | 8 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KBOS 210854Z 08003KT 1SM R04R/P6000FT -DZ BR BKN002 OVC004 13/12 A2997 RMK AO2 RAB12E19 SLP149 P0001 60001 T01280122 58015 $KBOS 210954Z 01004KT 3/4SM R04R/6000VP6000FT -DZ BR OVC002 14/13 A2998 RMK AO2 SLP151 P0000 T01390133 $KBOS 211054Z 02004KT 3/4SM R04R/5000V6000FT BR OVC003 14/13 A2999 RMK AO2 DZE01 SLP156 P0001 T01390133 $KBOS 211154Z 02006KT 1/2SM R04R/5000VP6000FT BR OVC005 14/14 A3001 RMK AO2 SFC VIS 3/4 SLP163 60002 70002 T01440139 10144 20122 53015 $KBOS 211254Z 36003KT 1/2SM R04R/4500VP6000FT FG OVC005 16/16 A3002 RMK AO2 SLP166 T01610156 $KBOS 211354Z 07004KT 3/4SM R04R/6000VP6000FT BR OVC005 17/16 A3002 RMK AO2 SFC VIS 1 SLP165 T01670161KBOS 211454Z 10005KT 2SM BR FEW005 OVC008 17/16 A3003 RMK AO2 SFC VIS 5 SLP167 VIS E-SE 1 T01670161 51004KBOS 211554Z 14004KT 7SM FEW004 BKN011 BKN220 17/15 A3004 RMK AO2 SLP171 VIS SE 1 T01670150KBOS 211654Z 13007KT 10SM FEW005 FEW013 BKN250 20/17 A3001 RMK AO2 SLP162 T02000167KBOS 211754Z 07006KT 6SM HZ FEW220 OVC250 21/16 A3000 RMK AO2 SLP159 T02060161 10211 20144 58008KBOS 211854Z 08007KT 6SM HZ FEW220 BKN250 21/17 A2999 RMK AO2 SLP156 T02110167KBOS 211954Z 07008KT 1 1/4SM BR BKN002 BKN009 BKN220 OVC250 17/14 A2999 RMK AO2 SLP155 T01670144KBOS 212103Z 07008KT 1 1/2SM HZ SCT003 17/14 A2998 RMK AO2 T01720144