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TROPICAL STORM ISIS DISCUSSION NUMBER   8
NATIONAL WEATHER SERVICE MIAMI FL
8 AM PDT THU SEP 03 1998
 
LATEST INFRARED SATELLITE IMAGERY SHOWS A WARMING OF THE CLOUD TOPS
OVER THE SYSTEM AND THE INITIAL INTENSITY IS REDUCED TO 50
KNOTS...AND FURTHER WEAKENING IS FORECAST AS THE SYSTEM INTERACTS
WITH LAND.
 
THE SYSTEM HAS CONTINUED IN A NORTHERLY DIRECTION DURING THE PAST
SEVERAL HOURS AND THE INITIAL MOTION ESTIMATE IS 355/08 KNOTS.  MOST
OF THE 12Z TRACK GUIDANCE CONTINUE TO MOVE ISIS ON A GENERAL
NORTHWARD TRACK AND THAN A TURN TOWARD THE NORTHWEST.  THE OFFICIAL
FORECAST TRACK CONTINUES THIS NORTHWARD TRACK AND DISSIPATES THE
SYSTEM IN ABOUT 12 HOURS.
 
AS INDICATED PREVIOUSLY THE MAIN IMPACT FROM ISIS WILL BE HEAVY
RAINFALL...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS...OVER THE
NEXT 12-24 HOURS RESULTING IN POSSIBLE FLASH FLOODS...AND MUDSLIDES
IN HIGH TERRAIN.  
 
JARVINEN
 
FORECAST POSITIONS AND MAX WINDS
 
INITIAL     03/1500Z 27.3N 109.3W    45 KTS
12HR VT     04/0000Z 28.5N 109.5W    30 KTS...INLAND
 
 
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