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Impacts METAR Board
KIAD - Washington/Dulles In, VA, 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 | 37 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 |
| Dewpt | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 |
| Altim | 30.41 | 30.39 | 30.39 | 30.37 | 30.34 | 30.32 | 30.30 | 30.25 | 30.23 | 30.19 | 30.16 | 30.19 | 30.12 |
| VIS | 8 | 9 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 5 | 0.5 | 0.5 | 0.5 |
| CIG | 9 | 9 | 8 | 7 | 7 | 6 | 7 | 5 | 5 | 5 | 3 | 4 | 3 |
| Cover | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC |
| FltCat | IFR | IFR | IFR | IFR | IFR | IFR | IFR | IFR | IFR | IFR | LIFR | LIFR | LIFR |
| WX | -RA | -RA | -RA | -RA | -RA BR | -RA BR | -RA BR | -RA BR | -RA BR | BR | BR | BR | -RA BR |
| WDir | 130 | 150 | 140 | 0 | 120 | 0 | 0 | 10 | 360 | 10 | 20 | 320 | 160 |
| WSpd | 7 | 5 | 5 | 0 | 3 | 0 | 0 | 3 | 5 | 4 | 5 | 7 | 4 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KIAD 270101Z 13007KT 8SM -RA BKN009 OVC025 03/01 A3041 RMK AO2 P0001 T00280011KIAD 270152Z 15005KT 9SM -RA BKN009 OVC030 02/01 A3039 RMK AO2 SLP294 P0004 T00220011KIAD 270252Z 14005KT 7SM -RA OVC008 02/01 A3039 RMK AO2 SLP293 P0004 60010 T00220011 56014KIAD 270352Z 00000KT 7SM -RA BKN007 BKN025 OVC035 02/01 A3037 RMK AO2 SLP286 P0003 T00220011KIAD 270452Z 12003KT 6SM -RA BR OVC007 02/01 A3034 RMK AO2 SLP274 P0002 T00220011 401000006KIAD 270552Z 00000KT 5SM -RA BR OVC006 03/02 A3032 RMK AO2 SLP268 P0003 60018 T00280017 10050 20022 58023KIAD 270652Z 00000KT 5SM -RA BR BKN007 OVC011 03/02 A3030 RMK AO2 SLP262 P0003 T00280017KIAD 270752Z 01003KT 5SM -RA BR BKN005 OVC010 03/02 A3025 RMK AO2 PRESFR SLP244 P0002 T00280017KIAD 270852Z 36005KT 4SM -RA BR OVC005 03/02 A3023 RMK AO2 SLP237 P0002 60007 T00280022 58031KIAD 270952Z 01004KT 5SM BR OVC005 03/02 A3019 RMK AO2 SLP224 RAE10B34E44 P0002 T00280022KIAD 271052Z 02005KT 1/2SM R01R/P6000FT BR OVC003 03/02 A3016 RMK AO2 SFC VIS 4 RAB15E37 SLP214 P0001 T00280022KIAD 271152Z 32007KT 1/2SM R01R/P6000FT BR OVC004 03/02 A3019 RMK AO2 SFC VIS 2 1/2 SLP224 60010 70028 T00280022 10028 20028 55013KIAD 271252Z 16004KT 1/2SM R01R/P6000FT -RA BR OVC003 03/02 A3012 RMK AO2 SFC VIS 3 RAB17 SLP200 P0003 T00280022