Skip Navigation Links
NOAA NOAA United States Department of Commerce

NHC Graphical Outlook Archive



« Earliest Available         ‹ Earlier         Later ›         Latest Available »
GIS Shapefiles
tab Eastern North Pacific tab tab Atlantic tab

View 2-Day Graphical Tropical Weather Outlook
Click for Atlantic Click for Atlantic Click for Atlantic

Tropical Weather Outlook Text

ZCZC MIATWOEP ALL
TTAA00 KNHC DDHHMM

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Mon Aug 27 2018

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

The National Hurricane Center is issuing advisories on Tropical
Storm Miriam, located about halfway between the western coast of
Mexico and Hawaii.

1. Showers and thunderstorms associated with an area of low pressure
located about 500 miles south of the southern tip of the Baja
California peninsula have changed little in organization over the
past several hours. However, environmental conditions are still
favorable for development and a tropical depression is expected to
form tonight or Tuesday while the system moves west-northwest to
northwest at 10 to 15 mph.
* Formation chance through 48 hours...high...90 percent.
* Formation chance through 5 days...high...90 percent.

2. Another area of low pressure is forecast to form well south or
southwest of the coast of southwestern Mexico in a few days. Some
gradual development of this system is possible by the end of the
week.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...low...20 percent.

Forecaster Zelinsky




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)