617  
WTNT34 KNHC 231439  
TCPAT4  
 
BULLETIN  
TROPICAL STORM LEE ADVISORY NUMBER 21  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL142017  
1100 AM AST SAT SEP 23 2017  
 
...LEE STRENGTHENS SLIGHTLY WHILE DRIFTING NORTHWARD OVER THE  
CENTRAL ATLANTIC...  
 
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION  
-----------------------------------------------  
LOCATION...31.9N 49.4W  
ABOUT 900 MI...1450 KM E OF BERMUDA  
ABOUT 1330 MI...2145 KM WSW OF THE AZORES  
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H  
PRESENT MOVEMENT...N OR 360 DEGREES AT 2 MPH...4 KM/H  
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES  
 
WATCHES AND WARNINGS  
--------------------  
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.  
 
DISCUSSION AND 48-HOUR OUTLOOK  
------------------------------  
AT 1100 AM AST (1500 UTC), THE CENTER OF TROPICAL STORM LEE WAS  
LOCATED NEAR LATITUDE 31.9 NORTH, LONGITUDE 49.4 WEST. LEE IS MOVING  
TOWARD THE NORTH NEAR 2 MPH (4 KM/H). A SLOW TURN TOWARD THE  
NORTHEAST AND EAST IS EXPECTED LATER TODAY, FOLLOWED BY A TURN  
TOWARD THE EAST-SOUTHEAST ON SUNDAY.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH (75 KM/H) WITH HIGHER GUSTS.  
SOME STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS, AND LEE  
COULD BE NEAR HURRICANE STRENGTH BY THE END OF THE WEEKEND.  
 
LEE IS A SMALL TROPICAL CYCLONE. TROPICAL-STORM-FORCE WINDS ONLY  
EXTEND OUTWARD UP TO 35 MILES (55 KM) FROM THE CENTER.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1007 MB (29.74 INCHES).  
 
HAZARDS AFFECTING LAND  
----------------------  
NONE.  
 
NEXT ADVISORY  
-------------  
NEXT COMPLETE ADVISORY AT 500 PM AST.  
 

 
FORECASTER STEWART  
 
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