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This page was last loaded at 7:02 pm HST Jul 29, 2014 (502 GMT Jul 30, 2014)

Central Pacific (140W to 180) xml button

Active Systems
xml button  Tropical Depression GENEVIEVE Advisory Number 14
Issued at 500 PM HST TUE JUL 29 2014
Location: 12.9N 148.5W
Maximum sustained winds: 35 MPH...55 KM/H
Present movement: W or 270 degrees AT 5 MPH...7 KM/H
Minimum central pressure: 1008 MB...29.77 INCHES

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

xml button

Issued: Jul 29, 2014 2:00 PM HST

Based on data through 2:00 pm Jul 28 2014 HST

Skies are mostly sunny across the aloha state this early afternoon. The low ceilings that are occurring, at least from time to time, exist mainly over windward and mauka sections on the individual isles. Also, scattered to occasionally broken high clouds from the west-southwest have been streaking over the Big Island. Low cloud movement is from the east to east-northeast between 15 and 20 mph statewide.

Conditions are clear to scattered over the adjacent coastal waters, discounting any high cloudiness near the Big Island.

A band of west winds aloft, above 25 thousand feet, in the range of 40 to 70 mph is located from 18°N to 23°N between 147°W and 162°W, including above the Hawaiian islands. These winds appear to be in the base of a long wave trough whose northeast-to-southwest oriented axis is roughly along a line from 40°N 142°W to 32°N 152°W to 23°N 162°W. The axis has been heading to the east and southeast at less than 10 mph.

The Central Pacific Hurricane Center has again begun issuing advisories on tropical depression Genevieve. The system is located more than 600 miles southeast of South Point on the Big Island, has been pushing west near 5 mph, and has central winds of 35 mph gusting to 45 mph. Showers and thunderstorms associated with Genevieve have been firing from 11.5°N to 15°N between 146.5°W and 150°W. For further details, see bulletins under WMO header WTPA32 PHFO or AWIPS header TCPCP2.

More showers and thunderstorms associated with other, less robust, tropical disturbances are located from 10°N to 13°N between 164°W and 166.5°W, and from 09°N to 13.5°N between 172°W and 178°W.

Hawaii Infrared Satellite image for 2330 UTC

Hawaii Visible Satellite image for 2330 UTC


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

500 PM PDT TUE JUL 29 2014

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

An area of low pressure located about 900 miles south-southwest
of the southern tip of the Baja California peninsula is producing
disorganized cloudiness and thunderstorms. Environmental conditions
are conducive for gradual development of this system during the next
several days as this system moves west-northwestward at 10 to 15
* Formation chance through 48 hours...low...near 10 percent.
* Formation chance through 5 days...high...60 percent.

An area of cloudiness and thunderstorms has formed in association
with a low pressure system about 1500 miles southwest of the
southern tip of the Baja California peninsula. Environmental
conditions appear favorable for some slow development of this system
during the next several days as the low moves generally westward.
* Formation chance through 48 hours...low...near 10 percent.
* Formation chance through 5 days...low...20 percent.

Eastern Pacific Graphical Tropical Weather Outlook

Monitored by the National Hurricane Center (NHC)


Hurricane Preparedness

State of Hawaii Civil Defense
Oahu Department of Emergency Management
Kauai Civil Defense
Maui Civil Defense
Hawaii (Big Island) Civil Defense

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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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