696
ABPZ20 KNHC 101720
TWOEP
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT THU SEP 10 2026
FOR THE EASTERN AND CENTRAL NORTH PACIFIC EAST OF 180 LONGITUDE:
ACTIVE SYSTEMS:
THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
STORM LOWELL, LOCATED WELL NORTHWEST OF THE HAWAIIAN ISLANDS, AND ON
TROPICAL STORM NORBERT, LOCATED SEVERAL HUNDRED MILES SOUTHWEST OF
THE SOUTHERN TIP OF THE BAJA CALIFORNIA PENINSULA.
WELL SOUTH-SOUTHEAST OF THE HAWAIIAN ISLANDS:
DISORGANIZED SHOWERS AND THUNDERSTORMS LOCATED WELL TO THE
SOUTH-SOUTHEAST OF THE HAWAIIAN ISLANDS ARE ASSOCIATED WITH A BROAD
TROUGH OF LOW PRESSURE. SOME GRADUAL DEVELOPMENT OF THIS SYSTEM IS
POSSIBLE LATE THIS WEEK AND INTO THE WEEKEND WHILE IT MOVES
GENERALLY NORTHWARD AND THEN MEANDERS TO THE SOUTHEAST OF THE
HAWAIIAN ISLANDS.
* FORMATION CHANCE THROUGH 48 HOURS...LOW...20 PERCENT.
* FORMATION CHANCE THROUGH 7 DAYS...LOW...30 PERCENT.
CENTRAL PORTION AND WEST PORTION OF THE EAST PACIFIC:
SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A BROAD AREA OF LOW
PRESSURE ARE LOCATED SEVERAL HUNDRED MILES SOUTHWEST OF THE
SOUTHWESTERN MEXICO COAST. GRADUAL DEVELOPMENT OF THIS SYSTEM IS
EXPECTED, AND A TROPICAL DEPRESSION IS LIKELY TO FORM BY EARLY NEXT
WEEK WHILE IT MOVES GENERALLY WEST-NORTHWESTWARD OVER CENTRAL AND
WESTERN PORTIONS OF THE EAST PACIFIC.
* FORMATION CHANCE THROUGH 48 HOURS...LOW...10 PERCENT.
* FORMATION CHANCE THROUGH 7 DAYS...HIGH...70 PERCENT.
PUBLIC ADVISORIES ON TROPICAL STORM NORBERT ARE ISSUED UNDER WMO
HEADER WTPZ34 KNHC AND UNDER AWIPS HEADER MIATCPEP4.
FORECAST/ADVISORIES ON TROPICAL STORM NORBERT ARE ISSUED UNDER WMO
HEADER WTPZ24 KNHC AND UNDER AWIPS HEADER MIATCMEP4.
FORECASTER EVANS/HAGEN
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