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This page was last loaded at 10:35 pm HST Aug 1, 2014 (835 GMT Aug 02, 2014)

Central Pacific (140W to 180) xml button

Tropical Outlook Sea Surface Temperatures CPAC Satellite EPAC Satellite Widgets Satellite Message Forecast Discussion
Tropical Weather Outlook RSS Feed

Issued: Aug 01, 2014 8:00 pm HST

800 PM HST FRI AUG 1 2014

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

1. An area of low pressure is located about 1000 miles southwest of Honolulu, Hawaii. Disorganized showers and isolated thunderstorms have been occurring mainly on the east periphery of the system. The surrounding environment may permit this system to develop only slightly as it moves west near 10 mph over the next few days.

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

2. Remnant low Genevieve is currently located about 540 miles south of Hilo, Hawaii. Atmospheric conditions are increasingly favorable for its possible redevelopment over the next few days as it moves westward near 10 mph.

* Formation chance through 48 hours, medium, 50 percent.

3. An area of low pressure is located about 1150 miles east- southeast of Hilo, Hawaii. It is generating disorganized shower and thunderstorm activity. Upper-level winds are not currently favorable, and any development of this system should be slow to occur while it moves westward at around 10 mph during the next few days.* Formation chance through 48 hours, low, 10 percent.

Elsewhere, no tropical cyclones are expected through Sunday evening.

Greyscale Satellite GRB Scale Satellite No Satellite

Comments about this graphic/product? Please send us an email.

Western Pacific (West of 180)

Monitored by the:
Joint Typhoon Warning Center
Japan Meteorological Agency

Eastern Pacific (East of 140W) xml button

Active Systems

xml button  Hurricane ISELLE Forecast Advisory Number 6
Issued at 0300 UTC SAT AUG 02 2014

Eastern Pacific Graphical Tropical Weather Outlook

1100 PM PDT FRI AUG 1 2014

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

The National Hurricane Center is issuing advisories on Hurricane
Iselle, located more than a thousand miles west-southwest of the
southern tip of the Baja California peninsula.

A weak low pressure area located about 1100 miles east-southeast of
the Big Island of Hawaii has moved into the central Pacific basin.
Please see the Tropical Weather Outlook from the Central Pacific
Hurricane Center for more details.

Showers and thunderstorms associated with an area of low pressure
located about 700 miles southwest of Manzanillo, Mexico, are
gradually becoming better organized. Environmental conditions are
conducive for development, and this system is likely to become a
tropical depression over the weekend as it moves westward at about
10 mph.
* Formation chance through 48 hours...high...60 percent.
* Formation chance through 5 days...high...90 percent.


The central Pacific Tropical Weather Outlook can be found under
AWIPS header HFOTWOEP and WMO header ACPN50 PHFO.

Eastern Pacific Graphical Tropical Weather Outlook

Monitored by the National Hurricane Center (NHC)


Hurricane Preparedness

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Tropical Cyclones Centers Worldwide
Saffir-Simpson Scale
  • Tropical Storm - winds 39-73 mph (34-63 kt)
  • Category 1 - winds 74-95 mph (64-82 kt)
  • Category 2 - winds 96-110 mph (83-95 kt)
  • Category 3 - winds 111-129 mph (96-112 kt)
  • Category 4 - winds 130-156 mph (113-136 kt)
  • Category 5 - winds 157 mph and up (137+ kt)
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