FVXX20 KWBC 070620 VOLCANIC ASH ADVISORY ISSUED: 2001MAR07/0620Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . ADVISORY NUMBER: 2001/153 INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...AVIATION MODEL WIND FORECAST ERUPTION DETAILS: OCCASIONAL ROCKFALLS PRODUCING LOW LEVEL ASH . DETAILS OF ASH CLOUD: SATELLITE IMAGES THROUGH 0402Z DO NOT SHOW ANY CURRENT ASH PLUME. LOW LEVEL ASH IS NORMALLY NOT VISIBLE IN INFRARED OR MULTISPECTRAL IMAGERY. SATELLITE IMAGES DO SHOW INTERMITTENT HOT SPOT ACTIVITY. ANY ASH IS ESTIMATED TO BE BELOW FL080. . TRAJECTORY: ANY ASH BELOW FL080 WOULD MOVE TOWARDS THE NORTHEAST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 07/1230Z. . REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWER CASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN