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This page was last loaded at 2:07 am HST Oct 24, 2014 (1207 GMT Oct 24, 2014)

Central Pacific (140W to 180) xml button

Active Systems
xml button  Tropical Storm ANA Advisory Number 43
Issued at 1100 PM HST THU OCT 23 2014
Location: 27.9N 170.1W
Maximum sustained winds: 50 MPH...85 KM/H
Present movement: NNW or 330 degrees AT 8 MPH...13 KM/H
Minimum central pressure: 1000 MB...29.53 INCHES

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

xml button

Issued: Oct 23, 2014 7:30 PM HST

Based on data through 7:00 pm Oct 23 2014 HST

Scattered to locally broken cumulus and stratocumulus clouds cover the area N of 10°N from 140°W to 160°W with individual cloud elements moving w/sw at about 20 mph.

On the Big Island, broken to overcast low clouds with scattered showers remain over the SE slopes of Mauna Loa from the Volcano park to South Point, the leeward coastline from Milolii to Kona village resort, and portions of the central valley/saddle area eastward to Keaau. Scattered to mostly clear conditions prevail elsewhere. On Maui county, broken low clouds with a few passing showers cover most of the Maui windward coastline from Haiku to hamoa, while locally overcast patches of low clouds and a few showers linger over the leeward slopes of Haleakala and the W Maui mountains. Scattered to locally broken low clouds prevail over the N Maui coastline. On Oahu, locally broken low clouds and scattered showers can be observed along the Koolau mountains and windward locations from Laie to Waimanalo, with mainly scattered low clouds prevailing elsewhere. On Kauai county, scattered low clouds prevail with a few small passing showers from hanamaulu to Hanapepe.

Elsewhere, tropical storm Ana was located about 770 miles NW of Kauai, producing areas of broken to overcast layered clouds and thunderstorms between 23°N to 30°N and 160°W to 175°W with highest cloud tops around 44 thousand feet. A 250-mile wide band of overcast layered clouds associated with a frontal boundary extends from 30°N 175°W to 23°N 180, with cloud tops reaching 45 thousand feet.

Far S of the island chain, broken cumulus and stratocumulus clouds with embedded thunderstorms cover most of the intertropical convergence zone, or ITCZ, S of 10°N. A large cluster of active thunderstorms is centered around 07.8°N 165.6°W, or about 1010 miles SW of the Big Island with cloud tops pushing 52 thousand feet.

Hawaii Infrared Satellite image for 0500 UTC

Central Pacific Infrared Satellite image for 0500 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 AM PDT FRI OCT 24 2014

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

A widespread area of disorganized cloudiness and thunderstorms a
couple of hundred miles south of the Gulf of Tehuantepec is
associated with a trough of low pressure. Environmental conditions
are not favorable for tropical cyclone formation over the weekend.
However, these conditions are forecast to become more conducive for
development early next week while the system drifts generally
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...medium...50 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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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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