[StBernard] Subtropical Storm Andrea Advisory Number 1

[Westley Annis]

Issued at: 10:43 AM EDT 5/9/07 (gateway).


 Early-season subtropical storm forms off the southeast u.s. Coast, 
 
Satellite imagery and aircraft data indicate that the low pressure
system off the southeast u.s. Coast has acquired subtropical
characteristics. 
 
At 11 am edt, 1500 utc, a tropical storm watch has been issued along the
southeast coast of the united states from altamaha sound georgia
southward to flagler beach Florida. A tropical storm watch means that
tropical storm conditions are possible within the watch area, generally
within the next 36 hours. 
 
For storm information specific to your area, including possible inland
watches and warnings, please monitor products issued by your local
weather office. 
 
At 1100 am edt, 1500z, the center of subtropical storm andrea was
located near latitude 30.8 north, longitude 79.3 west or about 140
miles, 225 km, southeast of savannah georgia and about 150 miles 240 km,
northeast of daytona beach Florida. 
 
Andrea is moving generally toward the west near 3 mph. A continued slow
motion and a gradual turn toward the southwest are expected during the
next 24 hours. Along this track, the center of andrea is expected to
remain offshore of the u.s. Coast through at least thursday morning. 
 
Maximum sustained winds are near 45 mph, 75 km/hr, with higher gusts.
Little change in strength is forecast during the next 24 hours. 
 
Winds of 40 mph extend outward up to 115 miles, 185 km, mainly to the
east of the center. 
 
The latest minimum central pressure reported by an air force reserve
reconnaissance aircraft was 1003 mb, 29.62 inches. 
 
Since the heaviest rains associated with andrea are expected to remain
offshore during the next 24 hours, andrea is not expected to produce
significant rainfall over any land areas through at least Thursday
morning. 
 
Repeating the 1100 am edt position, 30.8 n, 79.3 w. Movement toward,
west near 3 mph. Maximum sustained winds, 45 mph. Minimum central
pressure, 1003 mb. 
 
An intermediate advisory will be issued by the national hurricane center
at 200 pm edt followed by the next complete advisory at 500 pm edt.