Hurricane BERTHA

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HURRICANE BERTHA INTERMEDIATE ADVISORY NUMBER  38A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL022008
200 PM AST SAT JUL 12 2008
 
...AIR FORCE RECONNAISSANCE PLANE FINDS A SLIGHTLY WEAKER BERTHA... 
 
A TROPICAL STORM WARNING IS IN EFFECT FOR BERMUDA.  A TROPICAL STORM
WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN
THE WARNING AREA WITHIN THE NEXT 24 HOURS.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL
WEATHER OFFICE.
 
AT 200 PM AST...1800Z...THE CENTER OF HURRICANE BERTHA WAS LOCATED
NEAR LATITUDE 29.9 NORTH...LONGITUDE 62.5 WEST OR ABOUT 215 MILES...
345 KM...SOUTHEAST OF BERMUDA.
 
BERTHA HAS BEEN MEANDERING FOR THE PAST SEVERAL HOURS AND LITTLE
MOTION IS EXPECTED TODAY. HOWEVER...BERTHA SHOULD BEGIN TO MOVE
TOWARD THE NORTH NEAR 2 MPH...4 KM/HR LATER TONIGHT. THIS GENERAL
SLOW MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 TO 48 HOURS.
ON THIS TRACK...THE CENTER OF BERTHA IS EXPECTED TO SLOWLY PASS TO
THE SOUTHEAST AND EAST OF BERMUDA...BUT THE MOTION COULD
OCCASIONALLY BE ERRATIC.
 
PRELIMINARY DATA FROM A RECONNAISSANCE PLANE INDICATE THAT THE
MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/HR...WITH HIGHER
GUSTS.  BERTHA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. NO IMPORTANT CHANGE IN STRENGTH IS FORECAST DURING THE NEXT
24 HOURS. 

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140
MILES...220 KM.
 
MINIMUM CENTRAL PRESSURE JUST REPORTED BY AN AIR FORCE HURRICANE
HUNTER PLANE WAS 983 MB...29.03 INCHES.
 
LARGE SWELLS AND HIGH SURF ARE AFFECTING BERMUDA...AND THESE
CONDITIONS ARE EXPECTED TO PERSIST FOR THE NEXT FEW DAYS.
 
THE OUTER BANDS OF BERTHA ARE EXPECTED TO PRODUCE RAINFALL AMOUNTS
IN BERMUDA OF 1 TO 2 INCHES DURING THE NEXT TWO DAYS.
 
REPEATING THE 200 PM AST POSITION...29.9 N...62.5 W.  MOVEMENT
TOWARD...NORTH NEAR 2 MPH.  MAXIMUM SUSTAINED WINDS...80 MPH.
MINIMUM CENTRAL PRESSURE...983 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 PM AST.
 
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