439
ABPZ20 KNHC 220518
TWOEP
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 PM PDT MON SEP 21 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 WELL WEST-SOUTHWEST OF THE SOUTHERN TIP OF
BAJA CALIFORNIA, AND ON HURRICANE POLO, LOCATED A FEW HUNDRED MILES
SOUTH-SOUTHEAST OF MANZANILLO, MEXICO.
SOUTHEAST OF THE HAWAIIAN ISLANDS (FORMER TD 15-E):
THE REMNANTS OF TROPICAL DEPRESSION FIFTEEN-E, LOCATED SEVERAL
HUNDRED MILES SOUTHEAST OF THE HAWAIIAN ISLANDS, CONTINUE TO PRODUCE
SHOWERS AND THUNDERSTORMS THAT ARE GRADUALLY BECOMING BETTER
ORGANIZED. ENVIRONMENTAL CONDITIONS ARE FORECAST TO BE CONDUCIVE FOR
FURTHER DEVELOPMENT, AND A TROPICAL DEPRESSION IS LIKELY TO FORM
DURING THE NEXT DAY OR TWO WHILE THE SYSTEM MOVES SLOWLY
WEST-NORTHWESTWARD OR NORTHWESTWARD. INTERESTS IN THE HAWAIIAN
ISLANDS SHOULD MONITOR THE PROGRESS OF THIS SYSTEM.
* FORMATION CHANCE THROUGH 48 HOURS...HIGH...70 PERCENT.
* FORMATION CHANCE THROUGH 7 DAYS...HIGH...90 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, AND A TROPICAL DEPRESSION COULD
FORM LATE THIS WEEK OR THIS WEEKEND 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...MEDIUM...60 PERCENT.
FORECASTER KELLY
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