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Atlantic Tropical Weather Outlook
2018-09-12 07:23:39| National Hurricane Center (Atlantic)
214 ABNT20 KNHC 120523 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Wed Sep 12 2018 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Florence, located over the western Atlantic Ocean, on Hurricane Helene, located over the eastern Atlantic, and on Tropical Storm Isaac, located several hundred miles east of the Lesser Antilles. Showers and thunderstorms have not become any better organized during the past several hours in association with a trough of low pressure located over the south-central Gulf of Mexico. In addition, satellite data and surface observations indicate that there is still no sign of a surface circulation. However, upper-level winds are forecast to become more conducive for development, and a tropical depression is likely to form on Thursday or Friday before the system reaches the western Gulf Coast. An Air Force reconnaissance plane is scheduled to investigate the system later today, if necessary. Regardless of development, heavy rainfall and gusty winds are expected across portions of northeastern Mexico, Texas, and Louisiana late this week, and interests there should monitor the progress of this system. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...high...70 percent. A non-tropical area of low pressure located several hundred miles west of the Azores is producing a large area of showers and thunderstorms and gale-force winds. This system could gradually acquire tropical or subtropical characteristics during the next few days while it meanders over the northeastern Atlantic Ocean. For more information, see High Seas Forecasts issued by the National Weather Service. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...medium...50 percent. && High Seas Forecasts issued by the National Weather Service are under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and available on the Web at https://ocean.weather.gov/shtml/NFDHSFAT1.shtml. $$ Forecaster Cangialosi
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atlantic
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Eastern North Pacific Tropical Weather Outlook
2018-09-12 07:02:36| National Hurricane Center (East Pacific)
892 ABPZ20 KNHC 120502 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 PM PDT Tue Sep 11 2018 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Tropical Depression Paul, located a little more than 1000 miles west of the southern tip of the Baja California peninsula. A trough of low pressure continues to produce disorganized showers and thunderstorms extending several hundred miles west of the west-central coast of Mexico. Strong upper-level winds appear to be preventing the system from becoming better organized, and development, if any, is likely to be slow to occur while the system drifts southwestward over the next couple of days. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...10 percent. An area of low pressure is expected to develop well south of the southwestern coast of Mexico in a few days. Some gradual development is possible after that time while the system moves generally westward to west-northwestward. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Zelinsky
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weather
pacific
eastern
Eastern North Pacific Tropical Weather Outlook
2018-09-12 01:07:06| National Hurricane Center (East Pacific)
609 ABPZ20 KNHC 112307 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 PM PDT Tue Sep 11 2018 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Tropical Depression Paul, located about 1000 miles west of the southern tip of the Baja California peninsula. Disorganized showers and thunderstorms extending several hundred miles off the west-central coast of Mexico are associated with a trough of low pressure. Recent satellite-derived wind data indicate that the system does not have a surface circulation, and development is not likely while it moves little during the next couple of days. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...10 percent. An area of low pressure is expected to develop well south of the southwestern coast of Mexico in a few days. Some gradual development is possible after that time while the system moves generally westward to west-northwestward. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Berg
Tags: north
weather
pacific
eastern
Atlantic Tropical Weather Outlook
2018-09-12 01:03:04| National Hurricane Center (Atlantic)
851 ABNT20 KNHC 112302 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Tue Sep 11 2018 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Florence, located over the west-central Atlantic Ocean, on Hurricane Helene, located over the eastern Atlantic, and on Tropical Storm Isaac, located several hundred miles east of the Lesser Antilles. An area of disturbed weather located over the extreme northwestern Caribbean Sea and the southeastern Gulf of Mexico continues to show some signs of organization. Upper-levels winds are forecast to become more conducive for development, and a tropical depression is likely to form by Thursday night while the disturbance moves across the western Gulf of Mexico. If necessary, an Air Force reconnaissance plane will investigate the system tomorrow. Interests across northeastern Mexico and the coasts of Texas and Louisiana should monitor the progress of this system. Regardless of development, heavy rainfall and gusty winds are expected to continue over western Cuba and portions of the northeastern Yucatan Peninsula through tonight. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...high...70 percent. A non-tropical area of low pressure is forecast to form several hundred miles west-southwest of the Azores within the next day or so. Environmental conditions are conducive for some development, and a tropical or subtropical depression could form by the end of the week while the low meanders over the northeastern Atlantic Ocean. * Formation chance through 48 hours...low...30 percent. * Formation chance through 5 days...medium...50 percent. $$ Forecaster Pasch
Tags: weather
atlantic
outlook
tropical
Eastern North Pacific Tropical Weather Outlook
2018-09-11 19:26:32| National Hurricane Center (East Pacific)
660 ABPZ20 KNHC 111726 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 AM PDT Tue Sep 11 2018 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Tropical Depression Paul, located several hundred miles west of the southern tip of the Baja California peninsula. An area of low pressure is expected to develop well south of the southwestern coast of Mexico in a few days. Some gradual development is possible after that time while the system moves generally westward to west-northwestward. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...30 percent. $$ Forecaster Blake
Tags: north
weather
pacific
eastern
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