816
ABPZ20 KNHC 121130
TWOEP
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 AM PDT SAT SEP 12 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):
EARLIER SATELLITE-DERIVED WINDS INDICATE THAT THE SURFACE
CIRCULATION ASSOCIATED WITH AN AREA OF LOW PRESSURE LOCATED
SEVERAL HUNDRED MILES SOUTHWEST OF THE SOUTHWESTERN COAST OF MEXICO
REMAINS POORLY DEFINED. ENVIRONMENTAL CONDITIONS STILL APPEAR
CONDUCIVE FOR DEVELOPMENT, HOWEVER, AND A TROPICAL DEPRESSION IS
EXPECTED TO FORM DURING THE NEXT COUPLE OF DAYS WHILE IT MOVES
GENERALLY WEST-NORTHWESTWARD TO WESTWARD OVER THE CENTRAL AND
WESTERN PORTIONS OF THE EASTERN PACIFIC BASIN. FOR MORE
INFORMATION, INCLUDING GALE WARNINGS, PLEASE SEE THE HIGH SEAS
FORECAST ISSUED BY THE NATIONAL WEATHER SERVICE.
* FORMATION CHANCE THROUGH 48 HOURS...HIGH...80 PERCENT.
* FORMATION CHANCE THROUGH 7 DAYS...HIGH...90 PERCENT.
WELL SOUTHEAST OF THE HAWAIIAN ISLANDS:
A BROAD AREA OF LOW PRESSURE LOCATED SEVERAL HUNDRED MILES
SOUTHEAST OF HILO, HAWAII, IS PRODUCING DISORGANIZED SHOWERS AND
THUNDERSTORMS. DEVELOPMENT OF THIS SYSTEM IS BECOMING LESS LIKELY
WHILE IT DRIFTS GENERALLY WEST-NORTHWESTWARD.
* FORMATION CHANCE THROUGH 48 HOURS...LOW...10 PERCENT.
* FORMATION CHANCE THROUGH 7 DAYS...LOW...10 PERCENT.
HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE
CAN BE FOUND UNDER AWIPS HEADER NFDHSFEPI, WMO HEADER FZPN02
KWBC, AND ON THE WEB AT OCEAN.WEATHER.GOV/SHTML/NFDHSFEPI.PHP
FORECASTER ROBERTS
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