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Impacts METAR Board
KIAD - Washington/Dulles In, VA, US
Updated at: 2200 UTC 19 Jan 2019
| Potential Impact | None | Slight | Moderate | High |
| Time | 19/10Z | 19/11Z | 19/12Z | 19/13Z | 19/14Z | 19/15Z | 19/16Z | 19/17Z | 19/18Z | 19/19Z | 19/20Z | 19/21Z | 19/22Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 33 | 33 | 34 | 34 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 |
| Dewpt | 33 | 33 | 33 | 33 | 34 | 33 | 31 | 32 | 32 | 33 | 34 | 34 | 35 |
| Altim | 30.17 | 30.17 | 30.18 | 30.18 | 30.19 | 30.19 | 30.18 | 30.15 | 30.10 | 30.05 | 30.03 | 29.98 | 29.95 |
| VIS | 2.5 | 2.5 | 4 | 6 | 6 | 8 | 9 | 8 | 6 | 3 | 4 | 3 | 1.75 |
| CIG | 40 | 41 | 41 | 26 | 21 | 17 | 25 | 30 | 48 | 15 | 13 | 12 | 9 |
| Cover | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC | OVC |
| FltCat | IFR | IFR | MVFR | MVFR | MVFR | MVFR | MVFR | MVFR | VFR | MVFR | MVFR | MVFR | IFR |
| WX | BR | BR | BR | BR | BR | -- | -- | -RA | -RA BR | -RA BR | BR | BR | -RA BR |
| WDir | 0 | 0 | 0 | 0 | 110 | 120 | 120 | 110 | 120 | 110 | 110 | 100 | 130 |
| WSpd | 0 | 0 | 0 | 0 | 3 | 7 | 8 | 8 | 10 | 5 | 6 | 10 | 6 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KIAD 190952Z 00000KT 2 1/2SM BR BKN040 OVC048 01/01 A3017 RMK AO2 SLP220 T00060006KIAD 191052Z 00000KT 2 1/2SM BR OVC041 01/01 A3017 RMK AO2 SLP219 T00060006KIAD 191152Z COR 00000KT 4SM BR FEW025 OVC041 01/01 A3018 RMK AO2 SLP222 TWR VIS 7 4/002 T00110006 10011 20000 55002KIAD 191252Z 00000KT 6SM BR BKN026 OVC034 01/01 A3018 RMK AO2 SLP223 T00110006KIAD 191352Z 11003KT 6SM BR SCT015 OVC021 02/01 A3019 RMK AO2 SLP226 T00220011KIAD 191452Z 12007KT 8SM OVC017 03/01 A3019 RMK AO2 SLP225 T00280006 50003KIAD 191552Z 12008KT 9SM SCT019 OVC025 03/M01 A3018 RMK AO2 SLP223 T00281006KIAD 191652Z 11008KT 8SM -RA BKN030 OVC045 03/00 A3015 RMK AO2 SLP213 RAB23 P0000 T00280000KIAD 191752Z 12010KT 6SM -RA BR OVC048 03/00 A3010 RMK AO2 PRESFR SLP195 4/002 P0000 60000 T00280000 10028 20006 58030KIAD 191852Z 11005KT 3SM -RA BR FEW012 BKN015 OVC037 03/01 A3005 RMK AO2 SLP178 RAE20B32 P0000 T00280006 $KIAD 191952Z 11006KT 4SM BR OVC013 03/01 A3003 RMK AO2 RAE22DZB22E51 SLP169 P0000 T00280011 $KIAD 192052Z 10010KT 3SM BR OVC012 03/01 A2998 RMK AO2 PRESFR SLP153 60000 T00280011 56042 $KIAD 192152Z 13006KT 1 3/4SM -RA BR OVC009 02/02 A2995 RMK AO2 RAB03 SLP144 P0001 T00220017 $