409
ABPZ20 KNHC 211128
TWOEP
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 AM 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 LOCATED WELL WEST-SOUTHWEST OF THE SOUTHERN
TIP OF BAJA CALIFORNIA, AND ON TROPICAL STORM POLO, LOCATED A FEW
HUNDRED MILES SOUTH OF MANZANILLO, MEXICO.
EAST-SOUTHEAST OF THE HAWAIIAN ISLANDS (FORMER TD 15-E):
SHOWERS AND THUNDERSTORMS HAVE INCREASED IN ASSOCIATION WITH THE
REMNANTS OF TROPICAL DEPRESSION FIFTEEN-E, LOCATED SEVERAL HUNDRED
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...20 PERCENT.
* FORMATION CHANCE THROUGH 7 DAYS...HIGH...80 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...40 PERCENT.
PUBLIC ADVISORIES ON TROPICAL STORM POLO ARE ISSUED
UNDER WMO HEADER WTPZ32 KNHC AND UNDER AWIPS HEADER MIATCPEP2.
FORECAST/ADVISORIES ON TROPICAL STORM POLO ARE ISSUED
UNDER WMO HEADER WTPZ22 KNHC AND UNDER AWIPS HEADER MIATCMEP2.
FORECASTER BLAKE
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page