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NOAA > NWS > CPHC

This page was last loaded at 4:17 am HST Sep 2, 2014 (1417 GMT Sep 02, 2014)

Central Pacific (140W to 180) xml button

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

xml button

Issued: Sep 02, 2014 2:30 AM HST


Based on data through 2:00 am Sep 02 2014 HST


An area of broken showery cumulus and stratocumulus is associated with a low level trough SW of Oahu. The cluster of clouds is located about 230 miles SW of Honolulu, with cloud tops reaching 20 thousand feet, and moving W at about 15 mph. Another area of showery cumulus clouds is moving into the windward Big Island coastline with cloud tops around 12 thousand feet.

On the Big Island, a line of broken low clouds extends across windward coastal locations from Kapoho to Waipio valley. The rest of the Big Island remains mainly under scattered low clouds. On Maui county, mainly scattered low clouds prevail except for patches of locally broken low clouds moving across windward areas of Maui from hamoa to Haiku, the W Maui mountains and portions of N Molokai. On Oahu, scattered low clouds prevail except for some lingering patches of broken low clouds with a few showers across the Koolau mountains. On Kauai county, localized broken low clouds still linger over interior and N Kauai.

Elsewhere, scattered cumulus and stratocumulus clouds cover the area between 140°W to 155°W, becoming locally broken W of 155°W. Individual cloud elements are moving w/nw at about 15 mph. Latest water vapor imagery depict an upper level trough about 490 miles NE of Midway atoll, gradually migrating E at 15 to 20 mph. This trough is supporting an area of layered clouds and active thunderstorms around 760 miles NW of Kauai with highest cloud tops around 42 thousand feet.

Far S of the islands, a very active pattern can be observed along the intertropical convergence zone, or ITCZ, with broken to overcast layered clouds and large clusters of active thunderstorms spreading between 04°N to 12°N and 150°W to 180. Highest cloud tops are pushing 56 thousand feet.

Hawaii Infrared Satellite image for 1200 UTC

Central Pacific Infrared Satellite image for 1200 UTC


REYNES

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 AM PDT TUE SEP 2 2014

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

Showers and thunderstorms have recently increased near a low
pressure area producing gale-force winds, located about 200 miles
southwest of Manzanillo, Mexico. If current trends continue,
advisories will be initiated on a tropical storm later this morning.
This system is expected to move slowly northward and then
northwestward near the southwestern coast of Mexico and the southern
Baja California peninsula during the next few days, and interests in
these areas should monitor the progress of the disturbance. Locally
heavy rains could cause life-threatening flash floods and mud slides
over portions of southwestern Mexico during the next few days.
* Formation chance through 48 hours...high...near 100 percent.
* Formation chance through 5 days...high...near 100 percent.

&&

For additional information on the low please see High Seas Forecasts
issued by the National Weather Service...under AWIPS header
NFDHSFEPI and WMO header FZPN01 KWBC.

Eastern Pacific Graphical Tropical Weather Outlook

Monitored by the National Hurricane Center (NHC)

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Hurricane Preparedness

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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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