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NOAA > NWS > CPHC

This page was last loaded at 4:20 pm HST Jul 23, 2014 (220 GMT Jul 24, 2014)

Central Pacific (140W to 180) xml button

Tropical Outlook Sea Surface Temperatures CPAC Satellite EPAC Satellite Widgets Satellite Message Forecast Discussion
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Issued: Jul 23, 2014 2:30 pm HST

TROPICAL WEATHER OUTLOOK
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
230 PM HST WED JUL 23 2014

For the central north Pacific, between 140°W and 180.

1. A surface trough of low pressure located about 1300 miles southeast of the Big Island of Hawaii is producing disorganized shower activity. Development of this system is possible during the next few days while it moves westward into the central Pacific.* Formation chance through 48 hours, medium, 30 percent.

2. A surface trough of low pressure located about 800 miles south-southeast of the Big Island remains disorganized but continues to be monitored. Some gradual development of this system is possible during the next 48 hours as it moves westward far south of the Hawaiian islands.

* Formation chance through 48 hours, low, 10 percent.

Elsewhere, no tropical cyclones are expected through Friday afternoon.


Greyscale Satellite GRB Scale Satellite No Satellite

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Western Pacific (West of 180)

Monitored by the:
Joint Typhoon Warning Center
Japan Meteorological Agency

Eastern Pacific (East of 140W) xml button

Eastern Pacific Graphical Tropical Weather Outlook

NWS NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT WED JUL 23 2014

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

Shower activity associated with a broad low located about 1400 miles
southwest of the southern tip of the Baja California peninsula is
gradually becoming better organized. Environmental conditions
appear conducive for additional development and this system is
expected to become a tropical depression during the next couple of
days while it moves westward or west-northwestward at 10 to 15 mph.
* Formation chance through 48 hours...high...80 percent.
* Formation chance through 5 days...high...90 percent.

A surface trough of low pressure located about 1300 miles
southeast of the Big Island of Hawaii is producing disorganized
shower activity. Development of this system is possible during
the next few days while it moves westward into the central Pacific.
* Formation chance through 48 hours...medium...30 percent.
* Formation chance through 5 days...medium...50 percent.

An area of low pressure is forecast to form several hundred miles
south of the coast of Mexico in a few days. Some development of
this system is expected over the weekend while it moves generally
west-northwestward.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...medium...50 percent.

Another area of low pressure could form during the next couple
of days several hundred miles southwest of the southern tip of the
Baja California peninsula. Some gradual development of this system
is possible by the weekend while it moves generally westward.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...low...20 percent.

Eastern Pacific Graphical Tropical Weather Outlook

Monitored by the National Hurricane Center (NHC)

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Saffir-Simpson Scale
  • Tropical Storm - winds 39-73 mph (34-63 kt)
  • Category 1 - winds 74-95 mph (64-82 kt)
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  • Category 5 - winds 157 mph and up (137+ kt)
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