FVXX20 KWBC 280310 . VOLCANIC ASH ADVISORY STATEMENT-SPECIAL STATEMENT ISSUED 0310 UTC 28 SEPTEMBER 1999 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 99-012 ECUADOR 0.17S 78.60W . BACKGROUND: GUAGUA PICHINCHA (1502-02) SUMMIT HEIGHT 15,695FT (4784 M) . A SPECIAL STATEMENT ON THE STATUS OF GUAGUA PICHINCHA IN ECUADOR IS BEING ISSUED TO ACCOUNT FOR REPORTS OF INCREASED ACTIVITY NEAR THE VOLCANO. THE STATUS OF THE VOLCANO HAS BEEN UPGRADED TO CODE ORANGE ACCORDING TO INFORMATION RECIEVED FROM THE U.S. GEOLOGICAL SURVEY. . WE WILL CONTINUE TO MONITOR THE AREA AND IF THERE IS AN ASH CLOUD OBSERVED OR REPORTED AT ANY ALTITUDE A VOLCANIC ASH ADVISORY STATEMENT WARNING WILL BE ISSUED AS SOON AS POSSIBLE. . THE WATCH VAAS IS ISSUED ONLY FOR SEISMICALLY MONITORED VOLCANOES AND BASED ON INFORMATION RECEIVED FROM THE GEOLOGICAL COMMUNITY. A WATCH VAAS WILL BE ISSUED DAILY WHEN INFORMATION IS RECEIVED TO INDICATE THAT A VOLCANO IS RESTLESS AND HAS THE POTENTIAL FOR AN EXPLOSIVE ERUPTION WITH LITTLE OR NO WARNING. NON-EXPLOSIVE LOW LEVEL AND NEAR SUMMIT ACTIVITY MAY BE OCCURRING AT PRESENT. SEE NOAA-ARL HOMEPAGE FOR HYPOTHETICAL ERUPTIONS-VAFTAD AT: HTTP://WWW.ARL.NOAA.GOV/VAFTAD.HTML (ALL LOWER CASE) . THE NEXT WATCH STATEMENT WILL BE ISSUED AROUND 29/0310 UTC. . NNNN