WVNT05 KKCI 180815 TJZS SIGMET 8 VALID 180815/181415 KKCI- SAN JUAN FIR VOLCANIC ASH FROM SOUFRIERE HILLS. FCST BLW FL050. VA CLD WI AREA BOUNDED BY N1730 W06415 - N1715 W06300 - N1645 W06300 - N1630 W06415 - N1730 W06415. STNR. NC. BASED ON LATEST WASHINGTON VAAC ADVISORY. FORECAST 1415Z...LTL CHG. VA CLD NOT DETECTABLE IN NIGHT TIME SATELLITE IMAGERY.=