997  
ABPZ20 KNHC 131125  
TWOEP  
 
TROPICAL WEATHER OUTLOOK  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
500 AM PDT THU AUG 13 2026  
 
FOR THE EASTERN AND CENTRAL NORTH PACIFIC EAST OF 180 LONGITUDE:  
 
ACTIVE SYSTEMS:  
THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON  
POTENTIAL TROPICAL CYCLONE ONE-C, LOCATED ABOUT 750 MILES  
EAST-SOUTHEAST OF HILO, HAWAII.  
* FORMATION CHANCE THROUGH 48 HOURS...HIGH...90 PERCENT.  
* FORMATION CHANCE THROUGH 7 DAYS...HIGH...90 PERCENT.  
 
THE NATIONAL HURRICANE CENTER IS ALSO ISSUING ADVISORIES ON  
RECENTLY UPGRADED TROPICAL STORM HERNAN, LOCATED WELL WEST OF THE  
SOUTHERN TIP OF THE BAJA CALIFORNIA PENINSULA.  
 

 
 
PUBLIC ADVISORIES ON POTENTIAL TROPICAL CYCLONE ONE-C ARE ISSUED  
UNDER WMO HEADER WTPA32 PHFO AND UNDER AWIPS HEADER HFOTCPCP2.  
FORECAST/ADVISORIES ON POTENTIAL TROPICAL CYCLONE ONE-C ARE ISSUED  
UNDER WMO HEADER WTPA22 PHFO AND UNDER AWIPS HEADER HFOTCMCP2.  
 
PUBLIC ADVISORIES ON TROPICAL STORM HERNAN ARE ISSUED UNDER  
WMO HEADER WTPZ33 KNHC AND UNDER AWIPS HEADER MIATCPEP3.  
FORECAST/ADVISORIES ON TROPICAL STORM HERNAN ARE ISSUED UNDER  
WMO HEADER WTPZ23 KNHC AND UNDER AWIPS HEADER MIATCMEP3.  
 

 
FORECASTER PIERCE/CANGIALOSI  
 
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