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NOAA > NWS > CPHC

This page was last loaded at 10:27 pm HST Aug 4, 2015 (827 GMT Aug 05, 2015)

Central Pacific (140W to 180) xml button

Active Systems
xml button  Tropical Storm Guillermo Advisory Number 25A
Issued at 800 PM HST TUE AUG 04 2015
SUMMARY OF 800 PM HST...0600 UTC...INFORMATION
----------------------------------------------
Location: 20.3N 150.0W
ABOUT 335 MI...540 KM E OF HILO HAWAII
ABOUT 510 MI...820 KM E OF HONOLULU HAWAII
Maximum sustained winds: 70 MPH...110 KM/H
Present movement: WNW or 300 degrees AT 9 MPH...15 KM/H
Minimum central pressure: 998 MB...29.47 INCHES


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Issued: Aug 04, 2015 8:00 pm HST

TROPICAL WEATHER OUTLOOK
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
800 PM HST TUE AUG 4 2015

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

1. The Central Pacific Hurricane Center in Honolulu is issuing advisories on t.s. Guillermo, which is located about 350 miles east of Hilo, Hawaii and moving west-northwest around 10 miles an hour. Guillermo advisories are being issued under AWIPS header TCPCP4 and WMO header WTPA34 PHFO.

2. A weak low pressure area, the remnant of tropical depression Eight-E, was located about 1200 miles west-southwest of Honolulu, Hawaii. This feature moved west-southwest at 20 miles an hour. Atmospheric conditions are expected to remain unfavorable for redevelopment of the system over the next couple of days.* Formation chance through 48 hours, low, near 10 percent.

Elsewhere, no tropical cyclones are expected through Thursday evening.



Greyscale Satellite GRB Scale Satellite No Satellite

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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


TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 PM PDT TUE AUG 4 2015

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

The area of low pressure located about 1250 miles west-southwest
of the southern tip of the Baja California peninsula has changed
little in organization today. However, environmental conditions
appear to be conducive for development, and this low is likely to
become a tropical depression during the next day or two while
it moves west-northwestward at 10 to 15 mph.
* Formation chance through 48 hours...high...70 percent
* Formation chance through 5 days...high...80 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 111-130 mph (96-113 kt)
  • Category 4 - winds 131-155 mph (114-135 kt)
  • Category 5 - winds 156 mph and up (135+ kt)
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