500
ABPZ20 KNHC 202335
TWOEP
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT SUN SEP 20 2026
FOR THE EASTERN AND CENTRAL NORTH PACIFIC EAST OF 180 LONGITUDE:
ACTIVE SYSTEMS:
THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
STORM ODALYS, LOCATED LOCATED OVER A THOUSAND MILES WEST-SOUTHWEST
OF THE SOUTHERN TIP OF BAJA CALIFORNIA, AND ON NEWLY FORMED TROPICAL
DEPRESSION SEVENTEEN-E, LOCATED A FEW HUNDRED MILES SOUTH OF
MANZANILLO, MEXICO.
EAST-SOUTHEAST OF THE HAWAIIAN ISLANDS (FORMER TD 15-E):
SHOWERS AND THUNDERSTORMS HAVE INCREASED, BUT REMAIN DISORGANIZED,
IN ASSOCIATION WITH THE REMNANTS OF TROPICAL DEPRESSION FIFTEEN-E,
LOCATED MORE THAN 500 MILES TO THE EAST-SOUTHEAST OF THE HAWAIIAN
ISLANDS. ENVIRONMENTAL CONDITIONS ARE FORECAST TO BECOME MORE
CONDUCIVE FOR DEVELOPMENT OF THIS SYSTEM BY THE MIDDLE TO LATTER
PORTION OF THIS WEEK, AND A TROPICAL DEPRESSION IS LIKELY TO FORM BY
THAT TIME TO THE SOUTH OR SOUTHEAST OF THE HAWAIIAN ISLANDS AS THE
SYSTEM MOVES GENERALLY WESTWARD AT 10 TO 15 MPH.
* FORMATION CHANCE THROUGH 48 HOURS...LOW...NEAR 0 PERCENT.
* FORMATION CHANCE THROUGH 7 DAYS...HIGH...70 PERCENT.
SOUTH OF THE GULF OF TEHUANTEPEC:
AN AREA OF LOW PRESSURE COULD FORM IN A FEW DAYS TO THE SOUTH OF THE
GULF OF TEHUANTEPEC. THEREAFTER, ENVIRONMENTAL CONDITIONS APPEAR
FAVORABLE FOR GRADUAL DEVELOPMENT WHILE THE SYSTEM MOVES SLOWLY
WEST-NORTHWESTWARD TO NORTHWESTWARD, PARALLEL TO THE COAST OF
SOUTHERN AND SOUTHWESTERN MEXICO.
* FORMATION CHANCE THROUGH 48 HOURS...LOW...NEAR 0 PERCENT.
* FORMATION CHANCE THROUGH 7 DAYS...LOW...20 PERCENT.
PUBLIC ADVISORIES ON TROPICAL STORM ODALYS ARE ISSUED UNDER WMO
HEADER WTPZ31 KNHC AND UNDER AWIPS HEADER MIATCPEP1.
FORECAST ADVISORIES ON TROPICAL STORM ODALYS ARE ISSUED UNDER WMO
HEADER WTPZ21 KNHC AND UNDER AWIPS HEADER MIATCMEP1.
PUBLIC ADVISORIES ON TROPICAL DEPRESSION SEVENTEEN-E ARE ISSUED
UNDER WMO HEADER WTPZ32 KNHC AND UNDER AWIPS HEADER MIATCPEP2.
FORECAST/ADVISORIES ON TROPICAL DEPRESSION SEVENTEEN-E ARE ISSUED
UNDER WMO HEADER WTPZ22 KNHC AND UNDER AWIPS HEADER MIATCMEP2.
FORECASTER PAPIN
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