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Eastern North Pacific Tropical Weather Outlook

2018-07-16 07:53:40| National Hurricane Center (East Pacific)

893 ABPZ20 KNHC 160553 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 PM PDT Sun Jul 15 2018 For the eastern North Pacific...east of 140 degrees west longitude: Showers and thunderstorms in association with a low pressure system located about 1200 miles east-southeast of the Big Island of Hawaii are showing signs of organization. Environmental conditions are expected to be conducive for the development of a tropical depression during the next day or so before upper-level winds increase by mid-week. This system is moving westward and is expected to cross into the Central Pacific basin on Monday. * Formation chance through 48 hours...high...80 percent. * Formation chance through 5 days...high...80 percent. Shower and thunderstorm activity associated with a tropical wave located several hundred miles south-southwest of the southern tip of the Baja California Peninsula has changed little this evening. However, recent satellite-derived wind data indicate that this disturbance is producing gale-force wind gusts east of the wave axis in the strongest thunderstorms. Although the environment is expected to be only marginally conducive, some additional development is possible during the next day or so while the system moves westward to west-northwestward over the open East Pacific. By Wednesday, strong upper-level winds will likely prevent further development. * Formation chance through 48 hours...low...30 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Stewart

Tags: north weather pacific eastern

Category:Transportation and Logistics

Eastern North Pacific Tropical Weather Outlook

2018-07-16 01:12:45| National Hurricane Center (East Pacific)

458 ABPZ20 KNHC 152312 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 PM PDT Sun Jul 15 2018 For the eastern North Pacific...east of 140 degrees west longitude: A low pressure system located about 1300 miles east-southeast of the Big Island of Hawaii has changed little in organization over the past several hours. Environmental conditions are expected to be conducive for the development of a tropical depression during the next day or two before upper-level winds increase by mid-week. This system is moving westward and is expected to cross into the Central Pacific basin on Monday. * Formation chance through 48 hours...high...70 percent. * Formation chance through 5 days...high...70 percent. Shower and thunderstorm activity associated with a tropical wave located several hundred miles south of the southern tip of the Baja California Peninsula has increased since this morning. Although the environment is expected to be only marginally conducive, some gradual development is possible during the next couple of days as the system moves west to west-northwestward over the open East Pacific. By Wednesday, strong upper-level winds will likely prevent further development. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...10 percent. $$ Forecaster Zelinsky

Tags: north weather pacific eastern

Category:Transportation and Logistics

Eastern North Pacific Tropical Weather Outlook

2018-07-15 19:29:16| National Hurricane Center (East Pacific)

190 ABPZ20 KNHC 151729 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 AM PDT Sun Jul 15 2018 For the eastern North Pacific...east of 140 degrees west longitude: Satellite images indicate that the circulation of low pressure system located about 1300 miles east-southeast of the Big Island of Hawaii has become a little better defined today. However, the associated shower and thunderstorm activity is still not particularly well organized. Environmental conditions appear conducive for gradual development, and a tropical depression could form during the next couple of days before upper-level winds increase. This system is expected to move westward and it should cross into the Central Pacific basin on Monday. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 5 days...high...70 percent. $$ Forecaster Cangialosi

Tags: north weather pacific eastern

Category:Transportation and Logistics

Eastern North Pacific Tropical Weather Outlook

2018-07-15 13:37:40| National Hurricane Center (East Pacific)

074 ABPZ20 KNHC 151137 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 AM PDT Sun Jul 15 2018 For the eastern North Pacific...east of 140 degrees west longitude: Shower and thunderstorm activity has changed little during the past several hours in association with a low pressure system located about 1500 miles east-southeast of the Hawaiian Islands. Environmental conditions are expected to gradually become more conducive for development, and a tropical depression could form during the next few days while the system moves westward. This system is expected to cross into the Central Pacific basin by early Monday. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...medium...60 percent. $$ Forecaster Cangialosi

Tags: north weather pacific eastern

Category:Transportation and Logistics

Eastern North Pacific Tropical Weather Outlook

2018-07-15 07:48:08| National Hurricane Center (East Pacific)

893 ABPZ20 KNHC 150548 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 PM PDT Sat Jul 14 2018 For the eastern North Pacific...east of 140 degrees west longitude: A low pressure system has developed more than 1500 miles east-southeast of the the Hawaiian Islands, and associated thunderstorm activity has increased and become a little better organized during the past several hours. Environmental conditions are expected to gradually become more conducive for development, and a tropical depression could form during the next couple of days before the system moves westward into the Central Pacific basin. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...medium...60 percent. $$ Forecaster Stewart

Tags: north weather pacific eastern

Category:Transportation and Logistics

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