WWUS30 KWNS 270050 SAW1 SPC AWW 270050 WW 471 SEVERE TSTM DC MD VA CW 270050Z - 270400Z AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE.. 35S MRB/MARTINSBURG WV/ - 45E BWI/BALTIMORE MD/ ..AVIATION COORDS.. 40NM N/S /16NNW CSN - 48W SIE/ HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..50 KNOTS. MAX TOPS TO 450. MEAN STORM MOTION VECTOR 25035. LAT...LON 39547798 39837583 38537583 38247798 THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS FOR WOU1.