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Eastern North Pacific Tropical Weather Outlook

2020-09-05 19:38:21| National Hurricane Center (East Pacific)

000 ABPZ20 KNHC 051738 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 AM PDT Sat Sep 5 2020 For the eastern North Pacific...east of 140 degrees west longitude: A small well-defined low pressure system is located about 150 miles southwest of Acapulco, Mexico. The low is producing tropical-storm-force winds over a small area to the north of its center, but the associated thunderstorm activity remains intermittent. Conditions do not appear to be favorable for much further development, but only a small increase in the organization of thunderstorms near the center of the circulation would result in the formation of a tropical storm. This system is expected to move generally west-northwestward, near or along the southwestern coast of Mexico during the next couple of days. Regardless of development, this low could produce locally heavy rainfall along portions of the southwestern coast of Mexico. For more information, please consult products from your local meteorological office. * Formation chance through 48 hours...high...70 percent. * Formation chance through 5 days...high...70 percent. $$ Forecaster Zelinsky

Tags: north weather pacific eastern

 

Atlantic Tropical Weather Outlook

2020-09-05 19:22:18| National Hurricane Center (Atlantic)

000 ABNT20 KNHC 051722 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM EDT Sat Sep 5 2020 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Tropical Depression Omar, located about 600 miles northeast of Bermuda. A tropical wave and area of low pressure located over the eastern tropical Atlantic continues to produce a large area of disorganized showers and thunderstorms. Gradual development of this system is expected while it moves westward to west-northwestward, and a tropical depression is likely to form late this weekend or early next week when the system reaches the central tropical Atlantic. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 5 days...high...90 percent. A tropical wave located over the east-central Caribbean Sea is producing an area of showers and thunderstorms. Some slight development of this system is possible during the next couple of days before upper-level winds become unfavorable for formation. This wave is expected to move westward across the central and western Caribbean Sea during the next few days. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...10 percent. Another tropical wave located inland over western Africa is forecast to move offshore on Sunday. Gradual development of this system is then expected, and a tropical depression is likely to form by the middle of next week while it moves generally westward over the far eastern tropical Atlantic. * Formation chance through 48 hours...low...20 percent. * Formation chance through 5 days...high...80 percent. $$ Forecaster Cangialosi

Tags: weather atlantic outlook tropical

 
 

Tropical Depression Omar Graphics

2020-09-05 16:41:00| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Sat, 05 Sep 2020 14:41:00 GMT Wind Speed Probabilities last updated Sat, 05 Sep 2020 14:41:00 GMT

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Tropical Depression Omar Forecast Discussion Number 20

2020-09-05 16:39:20| National Hurricane Center (Atlantic)

Issued at 1100 AM AST Sat Sep 05 2020 000 WTNT45 KNHC 051439 TCDAT5 Tropical Depression Omar Discussion Number 20 NWS National Hurricane Center Miami FL AL152020 1100 AM AST Sat Sep 05 2020 Omar is barely a tropical cyclone. The center is completely exposed to the north of a slowly shrinking area of sheared deep convection. The initial intensity is held at 30 kt for this advisory. Omar remains in an environment of northerly wind shear, dry air, and it is headed toward cool waters. These conditions should cause Omar to finally become a remnant low soon. Although the forecast shows the system becoming a remnant low at 24 hours, it certainty could become one at any time before then after its limited amount of deep convection dissipates. Satellite images show an approaching cold front about 300 n mi to the northwest of Omar. This front is expected to merge with the system, causing Omar or its remnants to become extratropical by Sunday afternoon. The tropical depression is now moving northward at 9 kt. A much faster north-northeast to northeast motion is expected during the remainder of the weekend as Omar, or its remnants, become more embedded in the fast steering flow ahead of the aforementioned cold front. FORECAST POSITIONS AND MAX WINDS INIT 05/1500Z 37.4N 57.3W 30 KT 35 MPH 12H 06/0000Z 39.0N 56.3W 30 KT 35 MPH 24H 06/1200Z 41.9N 53.9W 30 KT 35 MPH...POST-TROP/REMNT LOW 36H 07/0000Z 45.2N 49.7W 30 KT 35 MPH...POST-TROP/EXTRATROP 48H 07/1200Z...DISSIPATED $$ Forecaster Cangialosi

Tags: number discussion tropical depression

 

Summary for Tropical Depression Omar (AT5/AL152020)

2020-09-05 16:38:48| National Hurricane Center (Atlantic)

...OMAR STILL HANGING ON AS A TROPICAL DEPRESSION... As of 11:00 AM AST Sat Sep 5 the center of Omar was located near 37.4, -57.3 with movement N at 10 mph. The minimum central pressure was 1010 mb with maximum sustained winds of about 35 mph.

Tags: summary tropical depression omar

 

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