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Eastern North Pacific Tropical Weather Outlook

2017-09-24 01:28:22| National Hurricane Center (East Pacific)

000 ABPZ20 KNHC 232328 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 PM PDT Sat Sep 23 2017 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on newly formed Tropical Depression Eighteen-E, located near the southwest coast of Mexico. A broad area of low pressure continues to produce shower and thunderstorms over the far eastern Pacific. Some gradual development of this system is possible over the next few days before the system moves inland over Central America early next week. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...medium...40 percent. && Public Advisories on Tropical Depression Eighteen-E are issued under WMO header WTPZ33 KNHC and under AWIPS header MIATCPEP3. Forecast/Advisories on Tropical Depression Eighteen-E are issued under WMO header WTPZ23 KNHC and under AWIPS header MIATCMEP3. $$ Forecaster Zelinsky

Tags: north weather pacific eastern

 

Eastern North Pacific Tropical Weather Outlook

2017-09-23 19:42:47| National Hurricane Center (East Pacific)

000 ABPZ20 KNHC 231742 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 AM PDT Sat Sep 23 2017 For the eastern North Pacific...east of 140 degrees west longitude: Satellite-derived surface wind data indicate that the low pressure system located about 80 miles south-southwest of Manzanillo, Mexico, has become much better defined this morning. Shower and thunderstorm activity has also increased and become much better organized. As a result, advisories will be initiated on a tropical depression or tropical storm later this afternoon. Very heavy rains are expected over portions of southwestern Mexico during the next several days due to the slow movement of the system. * Formation chance through 48 hours...high...near 100 percent. * Formation chance through 5 days...high...near 100 percent. A large area of disorganized showers and thunderstorms is associated with a broad area of low pressure located south of Guatemala over the far eastern Pacific. Some gradual development of this system is possible over the next few days before the system moves inland over Central America early next week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...medium...40 percent. $$ Forecaster Stewart

Tags: north weather pacific eastern

 
 

Eastern North Pacific Tropical Weather Outlook

2017-09-23 13:40:59| National Hurricane Center (East Pacific)

000 ABPZ20 KNHC 231140 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 AM PDT Sat Sep 23 2017 For the eastern North Pacific...east of 140 degrees west longitude: A low pressure system located about 100 miles southwest of Manzanillo, Mexico, has become better defined overnight. Although associated shower and thunderstorm activity has changed little, environmental conditions are expected to remain favorable for a tropical depression to form later today or on Sunday. Interests in Colima and Jalisco should monitor the progress of this system for any potential watches or warnings issued this weekend. Regardless of development, very heavy rains are expected over portions of southwestern Mexico during the next several days. * Formation chance through 48 hours...high...90 percent. * Formation chance through 5 days...high...90 percent. A large area of disorganized showers and thunderstorms is associated with a broad area of low pressure located south of Guatemala over the far eastern Pacific. Some gradual development of this system is possible over the next few days before the system moves over Central America early next week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Stewart

Tags: north weather pacific eastern

 

Eastern North Pacific Tropical Weather Outlook

2017-09-23 07:41:39| National Hurricane Center (East Pacific)

000 ABPZ20 KNHC 230541 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 PM PDT Fri Sep 22 2017 For the eastern North Pacific...east of 140 degrees west longitude: Shower and thunderstorm activity associated with an elongated low pressure system near the southwest coast of Mexico has decreased since yesterday. However, environmental conditions still appear to be favorable for development, and a tropical depression is likely to form during the next couple of days as the system moves slowly northwestward or northward near the coast. Interests in Colima and Jalisco should monitor the progress of this system for any potential watches or warnings issued this weekend. Regardless of development, very heavy rains are expected over portions of southwestern Mexico during the next several days. * Formation chance through 48 hours...high...80 percent. * Formation chance through 5 days...high...90 percent. A large area of disorganized showers and thunderstorms over the far eastern Pacific is associated with a broad area of low pressure. Some gradual development of this system is possible over the next few days before the system moves over Central America early next week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Zelinsky

Tags: north weather pacific eastern

 

Eastern North Pacific Tropical Weather Outlook

2017-09-23 01:52:09| National Hurricane Center (East Pacific)

000 ABPZ20 KNHC 222352 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 PM PDT Fri Sep 22 2017 For the eastern North Pacific...east of 140 degrees west longitude: Shower and thunderstorm activity associated with an elongated low pressure system near the southwest coast of Mexico continues to show signs of organization, but satellite imagery indicates that a surface circulation has not yet formed. Environmental conditions appear to be favorable for development, and a tropical depression is expected to form during the next couple of days as the system moves slowly northwestward near the coast. Interests in Colima and Jalisco should monitor the progress of this system for any potential watches or warnings issued this weekend. Regardless of development, very heavy rains are expected over portions of southwestern Mexico during the next several days. * Formation chance through 48 hours...high...80 percent. * Formation chance through 5 days...high...90 percent. A large area of disorganized showers and thunderstorms over the far eastern Pacific is associated with a broad area of low pressure. Some gradual development of this system is possible over the next few days before the system moves over Central America early next week. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Zelinsky

Tags: north weather pacific eastern

 

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