417  
ABPZ20 KNHC 112330  
TWOEP  
 
TROPICAL WEATHER OUTLOOK  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
500 PM PDT FRI SEP 11 2026  
 
FOR THE EASTERN AND CENTRAL NORTH PACIFIC EAST OF 180 LONGITUDE:  
 
ACTIVE SYSTEMS:  
THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL  
STORM NORBERT, LOCATED WELL WEST-SOUTHWEST OF THE SOUTHERN TIP OF  
THE BAJA CALIFORNIA PENINSULA.  
 
CENTRAL AND WESTERN EAST PACIFIC (EP97):  
SHOWERS AND THUNDERSTORMS CONTINUE TO BECOME BETTER ORGANIZED IN  
ASSOCIATION WITH A BROAD AREA OF LOW PRESSURE LOCATED SEVERAL  
HUNDRED MILES SOUTHWEST OF THE SOUTHWESTERN COAST OF MEXICO. GRADUAL  
DEVELOPMENT OF THIS SYSTEM IS LIKELY, AND A TROPICAL DEPRESSION IS  
EXPECTED TO FORM DURING THE NEXT DAY OR TWO WHILE IT MOVES GENERALLY  
WEST-NORTHWESTWARD TO WESTWARD OVER THE CENTRAL AND WESTERN PORTIONS  
OF THE EASTERN PACIFIC BASIN.  
* FORMATION CHANCE THROUGH 48 HOURS...HIGH...70 PERCENT.  
* FORMATION CHANCE THROUGH 7 DAYS...HIGH...90 PERCENT.  
 
WELL SOUTHEAST OF THE HAWAIIAN ISLANDS:  
A BROAD TROUGH OF LOW PRESSURE LOCATED SEVERAL HUNDRED MILES  
SOUTHEAST OF THE HAWAIIAN ISLANDS IS PRODUCING DISORGANIZED SHOWERS  
AND THUNDERSTORMS. GRADUAL DEVELOPMENT OF THIS SYSTEM IS POSSIBLE  
DURING THE NEXT FEW DAYS WHILE IT MOVES GENERALLY NORTHWARD AND THEN  
MEANDERS.  
* FORMATION CHANCE THROUGH 48 HOURS...LOW...20 PERCENT.  
* FORMATION CHANCE THROUGH 7 DAYS...LOW...20 PERCENT.  
 

 
FORECASTER KELLY  
 
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