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Impacts METAR Board
KIAD - Washington/Dulles In, VA, US
Updated at: 0700 UTC 16 Oct 2018
| Potential Impact | None | Slight | Moderate | High |
| Time | 15/19Z | 15/20Z | 15/21Z | 15/22Z | 15/23Z | 16/00Z | 16/01Z | 16/02Z | 16/03Z | 16/04Z | 16/05Z | 16/06Z | 16/07Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 63 | 64 | 65 | 67 | 68 | 69 | 69 | 69 | 67 | 65 | 63 | 61 | 60 |
| Dewpt | 62 | 63 | 64 | 65 | 65 | 66 | 66 | 66 | 60 | 57 | 53 | 51 | 47 |
| Altim | 30.01 | 29.99 | 29.99 | 29.96 | 29.96 | 29.98 | 29.97 | 29.97 | 30.00 | 30.04 | 30.07 | 30.10 | 30.12 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | 110 | 90 | 85 | 120 | 75 | 120 | 80 | 130 | 45 | 30 | 60 | 75 | 65 |
| Cover | OVC | OVC | BKN | BKN | BKN | BKN | BKN | BKN | BKN | OVC | OVC | BKN | OVC |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | MVFR | VFR | VFR | VFR |
| WX | -- | -RA | -RA | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 180 | 170 | 210 | 190 | 200 | 200 | 210 | 200 | 310 | 320 | 330 | 340 | 330 |
| WSpd | 6 | 6 | 4 | 7 | 8 | 11 | 9 | 8 | 14 | 19 | 16 | 10 | 7 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | 22 | -- | 23 | -- | -- |
KIAD 151852Z 18006KT 10SM SCT070 BKN110 OVC190 17/17 A3001 RMK AO2 RAE23 SLP163 P0000 T01720167KIAD 151952Z 17006KT 10SM -RA BKN090 OVC110 18/17 A2999 RMK AO2 RAB07E19B39 SLP156 P0000 T01780172KIAD 152052Z 21004KT 10SM -RA FEW075 BKN085 BKN110 18/18 A2999 RMK AO2 RAE1958B50 SLP153 P0000 60000 T01830178 56015KIAD 152201Z 19007KT 10SM FEW060 SCT090 BKN120 19/18 A2996 RMK AO2 T01940183KIAD 152252Z 20008KT 10SM SCT055 BKN075 BKN120 20/18 A2996 RMK AO2 SLP145 T02000183KIAD 152352Z 20011KT 10SM SCT060 BKN120 21/19 A2998 RMK AO2 SLP149 60000 T02060189 10206 20172 55003KIAD 160052Z 21009KT 10SM FEW055 BKN080 BKN120 21/19 A2997 RMK AO2 SLP148 T02060189KIAD 160152Z 20008KT 10SM SCT075 BKN130 BKN170 21/19 A2997 RMK AO2 SLP148 T02060189KIAD 160301Z 31014G22KT 10SM FEW018 SCT028 BKN045 19/16 A3000 RMK AO2 WSHFT 0242 FROPA T01940156KIAD 160352Z 32019KT 10SM FEW020 BKN030 OVC045 18/14 A3004 RMK AO2 WSHFT 0242 SLP171 FROPA T01830139KIAD 160452Z 33016G23KT 10SM SCT030 BKN060 BKN090 OVC130 17/12 A3007 RMK AO2 PK WND 31028/0359 SLP180 T01720117 402110122KIAD 160552Z 34010KT 10SM SCT030 SCT050 BKN075 BKN130 OVC250 16/11 A3010 RMK AO2 SLP191 T01610106 10211 20161 51032KIAD 160652Z 33007KT 10SM BKN065 BKN140 OVC250 16/08 A3012 RMK AO2 SLP200 T01560083