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Eastern North Pacific Tropical Weather Outlook
2025-05-15 13:47:36| National Hurricane Center (East Pacific)
000ABPZ20 KNHC 151147TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 AM PDT Thu May 15 2025For the eastern North Pacific...east of 140 degrees west longitude:Tropical cyclone formation is not expected during the next 7 days. &&Today marks the first day of the eastern North Pacific hurricaneseason, which will run until November 30. Long-term averages forthe number of named storms, hurricanes, and major hurricanes are15, 8, and 4, respectively.The list of names for 2025 is as follows:Name Pronunciation Name Pronunciation-------------------------------------------------------------Alvin AL-vin Mario MAR-ee-oBarbara BAR-bruh Narda NAHR-duhCosme COS-may Octave AHK-tayvDalila dah-LY-lah Priscilla prih-SIH-luhErick EHR-ik Raymond RAY-mundFlossie FLOSS-ee Sonia SOHN-yahGil gill Tico TEE-kohHenriette hen-ree-ETT Velma VELL-muhIvo EE-voh Wallis WAHL-lisJuliette joo-lee-ET Xina ZEE-nahKiko KEE-ko York yorkLorena low-RAY-na Zelda ZEL-dahA full list of eastern North Pacific basin tropical cyclone names and pronunciations can be found at: https://www.nhc.noaa.gov/pdf/aboutnames_pronounce_epac.pdfThis product, the Tropical Weather Outlook, briefly describessignificant areas of disturbed weather and their potential fortropical cyclone formation during the next seven days. The issuancetimes of this product are 5 AM, 11 AM, 5 PM, and 11 PM PDT. Afterthe change to standard time in November, the issuance times are 4 AM, 10 AM, 4 PM, and 10 PM PST.A Special Tropical Weather Outlook will be issued to provide updates, as necessary, in between the regularly scheduled issuances of the Tropical Weather Outlook. Special Tropical Weather Outlooks will be issued under the same WMO and AWIPS headers as the regular Tropical Weather Outlooks.A standard package of products, consisting of the tropical cyclone public advisory, the forecast/advisory, the cyclone discussion, and a wind speed probability product, is issued every six hours for all ongoing tropical cyclones. In addition, a special advisory package may be issued at any time to advise of significant unexpected changes or to modify watches or warnings.NHC has the option to issue advisories, watches, and warnings for disturbances that are not yet a tropical cyclone, but which pose the threat of bringing tropical storm or hurricane conditions to land areas within 72 hours. For these land-threatening "potential tropical cyclones", NHC will issue the full suite of advisory and watch/warning products. Potential tropical cyclones share the naming conventions currently in place for tropical depressions, being numbered from a single list (e.g., "One-E", "Two-E", "Three-E", etc.). The Tropical Cyclone Update is a brief statement to inform of significant changes in a tropical cyclone, to post or cancel watches or warnings, or to provide hourly position updates between intermediate advisories when the storm center is easily followed by radar. The Tropical Cyclone Update is also used in lieu of or to precede the issuance of a special advisory package. Tropical Cyclone Updates, which can be issued at any time, can be found under WMO header WTPZ61-65 KNHC, and under AWIPS header MIATCUEP1-5.All NHC text and graphical products are available on the web at https://www.hurricanes.gov. More information on NHC text and graphical products can be found at https://www.nhc.noaa.gov/pdf/NHC_Product_Description.pdf. New and updated products for the 2025 season can be found at https://www.nhc.noaa.gov/pdf/NHC_New_Products_Updates_2025.pdf.You can also interact with NHC on Facebook at https://www.facebook.com/NWSNHC. Notifications are available via X when select NHC products are issued. Information about our east and central Pacific X feed (@NHC_Pacific) is available at https://www.nhc.noaa.gov/socialmedia$$Forecaster Cangialosi
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