000 WAUS41 KKCI 152045 WA1S BOSS WA 152045 AIRMET SIERRA UPDT 4 FOR IFR VALID UNTIL 160300 . NO SGFNT IFR EXP OUTSIDE OF CNVTV ACT. . OTLK VALID 0300-0900Z...IFR WV MD VA BOUNDED BY 30NNE EKN-40WNW CSN-20ENE PSK-60WSW BKW-30SSW HNN- 30NNE EKN VIS BLW 3SM BR. CONDS DVLPG 06-09Z. CONDS CONTG THRU 09Z. ....