NWS All NOAA
790 FTUS41 KLWX 212117 AAA TAFIAD TAF AMD KIAD 212117Z 2121/2224 VRB05KT P6SM FEW060 FEW250 FM221400 22005KT P6SM FEW050 FEW250 FM221900 20006KT P6SM VCSH FEW050 SCT250=