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NOAA > NWS > CPHC

This page was last loaded at 6:27 am HST Jul 28, 2014 (1627 GMT Jul 28, 2014)

Central Pacific (140W to 180) xml button

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Western Pacific (West of 180)

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Eastern Pacific (East of 140W) xml button

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xml button  Tropical Storm HERNAN Forecast Advisory Number 10
Issued at 1500 UTC MON JUL 28 2014

Eastern Pacific Graphical Tropical Weather Outlook

NWS NATIONAL HURRICANE CENTER MIAMI FL
500 AM PDT MON JUL 28 2014

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

The National Hurricane Center is issuing advisories on Hurricane
Hernan, located a few hundred miles west-southwest of the southern
tip of the Baja California peninsula.

An area of low pressure located about 1400 miles east of the Big
Island of Hawaii is producing limited shower activity.
Environmental conditions are expected to remain unfavorable for
significant development of this system during the next several days
as it moves westward at about 10 mph.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...10 percent.

An area of low pressure could form well south or southwest of
southern Mexico later this week. Some gradual development of this
system is possible after that time as the system moves generally
west-northwestward.
* 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)
  • 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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