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Tropical Weather Outlook Text


Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 AM PDT Fri May 15 2020

For the eastern North Pacific...east of 140 degrees west longitude:

Tropical cyclone formation is not expected during the next 5 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 2020 is as follows:

Name           Pronunciation    Name            Pronunciation
Amanda         uh-MAN-duh       Marie           muh-REE
Boris          bor-EES          Norbert         NOR-bert
Cristina       kris-TEE-nuh     Odalys          oh_DAL-ess
Douglas        DUG-luss         Polo            POH-loh
Elida          ELL-ee-dah       Rachel          RAY-chull
Fausto         FOW-sto          Simon           SY-muhn
Genevieve      jeh-nuh-VEEV     Trudy           TROO-dee
Hernan         her-NAHN         Vance           vanss
Iselle         ee-SELL          Winnie          WIN-ee
Julio          HOO-lee-o        Xavier          ZAY-vee-ur
Karina         kuh-REE-nuh      Yolanda         yo-LAHN-da
Lowell         LO-uhl           Zeke            Zeek

This product, the Tropical Weather Outlook, briefly describes
significant areas of disturbed weather and their potential for
tropical cyclone formation during the next five 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 that previously had been issued only for
tropical cyclones.  Potential tropical cyclones will 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

All NHC text and graphical products are available on the web at  More information NHC text products
can be found at https://www.hurricanes.govaboutnhcprod.shtml,
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 Latto

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List of Central Pacific Outlooks (May 2023 - present)
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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)