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Impacts METAR Board
KIAD - Washington/Dulles In, VA, US
Updated at: 2200 UTC 21 May 2022
| Potential Impact | None | Slight | Moderate | High |
| Time | 21/10Z | 21/11Z | 21/12Z | 21/13Z | 21/14Z | 21/15Z | 21/16Z | 21/17Z | 21/18Z | 21/19Z | 21/20Z | 21/21Z | 21/22Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 71 | 70 | 77 | 80 | 82 | 86 | 88 | 90 | 90 | 91 | 91 | 91 | 90 |
| Dewpt | 63 | 65 | 67 | 68 | 66 | 67 | 67 | 66 | 67 | 66 | 65 | 67 | 67 |
| Altim | 29.98 | 30.02 | 30.04 | 30.06 | 30.06 | 30.06 | 30.07 | 30.07 | 30.06 | 30.05 | 30.03 | 30.02 | 30.02 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | -- | -- | -- | -- | 250 | 250 | 250 | 250 | 250 | -- | -- | -- | -- |
| Cover | SCT | SCT | CLR | CLR | BKN | BKN | BKN | BKN | BKN | SCT | SCT | SCT | SCT |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 240 | 0 | 0 | 170 | 160 | 210 | 0 | 210 | 170 | 180 | 190 | 150 | 190 |
| WSpd | 3 | 0 | 0 | 5 | 6 | 5 | 3 | 4 | 6 | 8 | 8 | 8 | 7 |
| WGst | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 16 | -- | -- |
KIAD 210952Z 24003KT 10SM SCT250 22/17 A2998 RMK AO2 SLP149 T02170172KIAD 211052Z 00000KT 10SM SCT250 21/18 A3002 RMK AO2 SLP162 T02110183KIAD 211152Z 00000KT 10SM CLR 25/19 A3004 RMK AO2 SLP168 T02500194 10267 20194 51034KIAD 211252Z 17005KT 10SM CLR 27/20 A3006 RMK AO2 SLP174 T02670200KIAD 211352Z 16006KT 10SM FEW080 BKN250 28/19 A3006 RMK AO2 SLP177 T02780189KIAD 211452Z 21005KT 10SM FEW070 BKN250 30/19 A3006 RMK AO2 SLP177 T03000194 51009KIAD 211552Z VRB03KT 10SM SCT070 BKN250 31/19 A3007 RMK AO2 SLP179 T03110194KIAD 211652Z 21004KT 10SM SCT065 BKN250 32/19 A3007 RMK AO2 SLP177 T03220189KIAD 211752Z 17006KT 10SM SCT070 BKN250 32/19 A3006 RMK AO2 SLP174 T03220194 10328 20250 58003KIAD 211852Z 18008KT 10SM SCT070 SCT250 33/19 A3005 RMK AO2 SLP173 T03280189KIAD 211952Z 19008G16KT 10SM FEW070 SCT250 33/18 A3003 RMK AO2 SLP166 T03280183KIAD 212052Z 15008KT 10SM FEW070 SCT250 33/19 A3002 RMK AO2 SLP163 T03280194 58011KIAD 212152Z 19007KT 10SM FEW060 SCT250 32/19 A3002 RMK AO2 SLP163 T03220194