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Tropical Weather Outlook Text


Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Mon May 15 2023

For 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 hurricane
season, which will run until November 30.  Long-term averages for
the number of named storms, hurricanes, and major hurricanes are
15, 8, and 4, respectively.

The list of names for 2023 is as follows:

Name           Pronunciation    Name            Pronunciation
Adrian         AY-dree-uhn      Max             maks
Beatriz        BEE-a-triz       Norma           NOOR-muh
Calvin         KAL-vin          Otis            OH-tis
Dora           DOR-ruh          Pilar           Pee-LAHR
Eugene         YOU-jeen         Ramon           rah-MOHN
Fernanda       fer-NAN-dah      Selma           SELL-mah
Greg           greg             Todd            tahd
Hilary         HIH-luh-ree      Veronica        vur-RAHN-ih-kuh
Irwin          UR-win           Wiley           WY-lee
Jova           HO-vah           Xina            ZEE-nah
Kenneth        KEH-neth         York            york
Lidia          LIH-dyah         Zelda           ZEL-dah

This product, the Tropical Weather Outlook, briefly describes
significant areas of disturbed weather and their potential for
tropical cyclone formation during the next seven days.  The issuance
times of this product are 5 AM, 11 AM, 5 PM, and 11 PM PDT.  After
the 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 48 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  More information on NHC text products 
can be found at, 
while more information about NHC graphical products can be 
found at

You can also interact with NHC on Facebook at  Notifications are available 
via Twitter when select NHC products are issued.  Information 
about our east Pacific Twitter feed is available at

Forecaster Kelly/Cangialosi

List of Atlantic Outlooks (May 2023 - Present)
List of East Pacific Outlooks (May 2023 - Present)
List of Central Pacific Outlooks (May 2023 - Present)
List of Atlantic Outlooks (July 2014 - April 2023)
List of East Pacific Outlooks (July 2014 - April 2023)
List of Central Pacific Outlooks (June 2019 - April 2023)
List of Atlantic Outlooks (June 2009 - June 2014)
List of East Pacific Outlooks (June 2009 - June 2014)