169   
ABNT20 KNHC 201144  
TWOAT   
  
TROPICAL WEATHER OUTLOOK  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
800 AM EDT WED AUG 20 2025  
  
FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF AMERICA:  
  
ACTIVE SYSTEMS:  
THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE   
ERIN, LOCATED OVER THE SOUTHWESTERN ATLANTIC OCEAN.  
  
NEAR THE LEEWARD ISLANDS IN THE TROPICAL ATLANTIC:  
A TROPICAL WAVE LOCATED OVER THE CENTRAL TROPICAL ATLANTIC CONTINUES   
TO PRODUCE A BROAD AREA OF DISORGANIZED SHOWERS AND THUNDERSTORMS.   
ENVIRONMENTAL CONDITIONS APPEAR CONDUCIVE FOR GRADUAL DEVELOPMENT OF   
THIS SYSTEM, AND A TROPICAL DEPRESSION COULD FORM LATE THIS WEEK OR   
OVER THE WEEKEND WHILE IT MOVES NEAR OR TO THE NORTH OF THE NORTHERN   
LEEWARD ISLANDS.  
* FORMATION CHANCE THROUGH 48 HOURS...LOW...10 PERCENT.  
* FORMATION CHANCE THROUGH 7 DAYS...MEDIUM...60 PERCENT.  
  
EASTERN TROPICAL ATLANTIC (AL99):  
A TROPICAL WAVE LOCATED TO THE SOUTHWEST OF THE CABO VERDE ISLANDS   
CONTINUES TO PRODUCE A CONCENTRATED AREA OF SHOWERS AND   
THUNDERSTORMS.  ENVIRONMENTAL CONDITIONS APPEAR MARGINALLY FAVORABLE   
FOR ADDITIONAL DEVELOPMENT OVER THE NEXT DAY OR SO WHILE THE SYSTEM   
MOVES WESTWARD AT AROUND 15 MPH AND A SHORT-LIVED TROPICAL   
DEPRESSION COULD FORM.  BY THE END OF THE WEEK, ENVIRONMENTAL   
CONDITIONS ARE EXPECTED TO BECOME UNFAVORABLE FOR FURTHER   
DEVELOPMENT.  
* FORMATION CHANCE THROUGH 48 HOURS...MEDIUM..40 PERCENT.  
* FORMATION CHANCE THROUGH 7 DAYS...MEDIUM...40 PERCENT.  
  
  
FORECASTER BUCCI/R. ZELINSKY  
 
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