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Impacts METAR Board
KIAD - Washington/Dulles In, VA, US
Updated at: 1600 UTC 03 Dec 2021
| Potential Impact | None | Slight | Moderate | High |
| Time | 03/04Z | 03/05Z | 03/06Z | 03/07Z | 03/08Z | 03/09Z | 03/10Z | 03/11Z | 03/12Z | 03/13Z | 03/14Z | 03/15Z | 03/16Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 60 | 59 | 58 | 53 | 51 | 50 | 46 | 46 | 39 | 39 | 48 | 50 | 50 |
| Dewpt | 38 | 37 | 35 | 35 | 33 | 31 | 30 | 29 | 29 | 29 | 31 | 30 | 30 |
| Altim | 29.78 | 29.81 | 29.84 | 29.87 | 29.91 | 29.92 | 29.95 | 29.97 | 30.00 | 30.01 | 30.06 | 30.07 | 30.07 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 100 | 110 | 110 |
| Cover | SCT | SCT | CLR | FEW | CLR | FEW | CLR | CLR | CLR | FEW | BKN | BKN | BKN |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 310 | 310 | 270 | 340 | 350 | 340 | 340 | 330 | 0 | 280 | 300 | 320 | 310 |
| WSpd | 7 | 9 | 12 | 13 | 12 | 10 | 7 | 7 | 0 | 3 | 10 | 7 | 8 |
| WGst | 19 | 16 | 21 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
KIAD 030352Z 31007G19KT 10SM FEW085 SCT130 16/03 A2978 RMK AO2 SLP083 T01560033KIAD 030452Z 31009G16KT 10SM SCT130 15/03 A2981 RMK AO2 SLP093 T01500028 401890067KIAD 030552Z 27012G21KT 10SM CLR 14/02 A2984 RMK AO2 SLP102 T01440017 10189 20128 53026KIAD 030652Z 34013KT 10SM FEW050 12/02 A2987 RMK AO2 WSHFT 0606 SLP114 T01170017KIAD 030752Z 35012KT 10SM CLR 11/01 A2991 RMK AO2 SLP128 T01060006KIAD 030852Z 34010KT 10SM FEW250 10/M01 A2992 RMK AO2 SLP132 T01001006 51029KIAD 030952Z 34007KT 10SM CLR 08/M01 A2995 RMK AO2 SLP140 T00781011KIAD 031052Z 33007KT 10SM CLR 08/M02 A2997 RMK AO2 SLP148 T00781017KIAD 031152Z 00000KT 10SM CLR 04/M02 A3000 RMK AO2 SLP159 T00391017 10144 20039 53026KIAD 031252Z 28003KT 10SM FEW080 FEW200 04/M02 A3001 RMK AO2 SLP163 T00391017 $KIAD 031352Z 30010KT 10SM BKN100 BKN200 09/M01 A3006 RMK AO2 SLP178 T00891006KIAD 031452Z 32007KT 10SM BKN110 BKN200 10/M01 A3007 RMK AO2 SLP180 T01001011 51022KIAD 031552Z 31008KT 10SM FEW034 BKN110 BKN200 10/M01 A3007 RMK AO2 SLP181 T01001011