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It is the time of year when the United States is honoring our veterans or thinking about Thanksgiving turkey. However, an Atlantic hurricane season has been given to Florence and Michael. A new disturbance in the tropics has formed, and it actually has the chance to develop a pre-Thanksgiving week tropical or subtropical system.
A potential threat in the tropical Atlantic for pre-Thanksgiving week.NOAA
Meteorologists at the National Oceanic and Atmospheric Administration (NOAA) National Hurricane Center are keeping an eye on a tropical wave (below) that has formed just to the east of the Lesser Antilles. The Tropical Weather Outlook & issued by the National Hurricane Center at 1:00 pm EST on November 11th provides the latest information:
Showers activity has grown to be a little better organized today in association with a tropical wave located about 350 miles east-southeast of the Leeward Islands. Environmental conditions are expected to become more conducive to development by Tuesday, and a tropical or subtropical cyclone is expected to form by the middle of the week. The system will move westward to Leeward Islands, Puerto Rico, Hispaniola, and the southeastern
Bahamas.
Invest 96LNOAA and TropicalTidbits.com
The Hurricane Center puts the chances of development at 20 percent within the next two days. Chances for development increase to 70 percent through 5 days. The system is currently referred to as Invest 96L. An Invest is designated according to NOAA ace "A tropical cyclone forecast center (NHC, CPHC, or JTWC) is interested in collecting specialized data sets (e.g., microwave imagery) and / or running model guidance."& nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;
Tropical weather outlook from the National Hurricane Center.NOAA
Is it normal to have a tropical holiday within a week or so of the Thanksgiving holiday? It is not common, but it is certainly not unprecedented. The figure of the tropical cyclones in the Atlantic basin from 1851-2015. Data from the NOAA Hurricane Research Division also provides further context on November storms. Over the period 1851-2015, there have been 1619 tropical storms and 991 hurricanes. Only 89 (5.4%) of the tropical storms and 59 (5.9%) of the hurricanes developed in November.
Where November named tropical systems formed from 1851-2015.NOAA
Though November storms are possible, there are reasons that "turkey month" is typically a ramp down period for hurricanes. Wind shear starts to increase and water temperatures slowly start to cool. Typically 26.5 degrees C (80 degrees F). Current sea surface temperatures (below) are certainly warm enough to support tropical development. Such factors and the occurrence of hurricanes outside the "typical" have raised questions about whether "hurricane season" is obsolete. As I wrote last year in Forbes,
Experts note that the current length was established in 1965 based on the formation of 97% of tropical cyclone activity in the basin. HOWEVER, research published in Geophysical Research Letters by Jim Kossin at the University of Wisconsin found that warming sea surface temperatures were leading to more "pre" and "post" season storms. A more recent study the Journal of Meteorological Research investigated relationships between sea surface temperatures and early onset. A 2017 study in the Journal of Climate & nbsp;found between El Nino and the tropical cyclone season onset& nbsp; in the Pacific basin. & nbsp;
As a huge college football fan, I will be watching the last few weeks.
Current sea surface temperatures in the Atlantic Ocean.NOAA
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It is the time of year when the United States is honoring our veterans or thinking about Thanksgiving turkey. However, an Atlantic hurricane season has been given to Florence and Michael. A new disturbance in the tropics has formed, and it actually has the chance to develop a pre-Thanksgiving week tropical or subtropical system.
A potential threat in the tropical Atlantic for pre-Thanksgiving week.NOAA
Meteorologists at the National Oceanic and Atmospheric Administration (NOAA) National Hurricane Center are keeping an eye on a tropical wave (below) that has formed just to the east of the Lesser Antilles. The Tropical Weather Outlook issued by the National Hurricane Center at 1:00 pm EST
Showers activity has grown and become a little more organized today in a tropical wave located about 350 miles east-southeast of the Leeward Islands. Environmental conditions are predicted to become more conducive to development by Tuesday, and a tropical or subtropical cyclone is expected to form by the middle of the week. Leeward Islands, Puerto Rico, Hispaniola, and the southeastern, the system will move westward to west-northwestward
Bahamas.
Invest 96LNOAA and TropicalTidbits.com
The Hurricane Center puts the chances of development at 20 percent within the next two days. Chances for development increase to 70 percent through 5 days. The system is currently referred to as Invest 96L. An interest in a tropical cyclone forecast center (NHC, CPHC, or JTWC) is interested in collecting specialized data sets (e.g., microwave imagery) and / or running model guidance. " If the storm was going to be named, it would be Patty and the 16th named storm of the Atlantic season.
Tropical weather outlook from the National Hurricane Center.NOAA
Is it normal to have a tropical holiday within a week or so of the Thanksgiving holiday? It is not common, but it is certainly not unprecedented. The figure of the tropical cyclones in the Atlantic basin from 1851-2015. Data from the NOAA Hurricane Research Division Over the period 1851-2015, there have been 1619 tropical storms and 991 hurricanes. Only 89 (5.4%) of the tropical storms and 59 (5.9%) of the hurricanes developed in November.
Where November named tropical systems formed from 1851-2015.NOAA
Though November storms are possible, there are reasons that "turkey month" is typically a ramp down period for hurricanes. Wind shear starts to increase and water temperatures slowly start to cool. Typically 26.5 degrees C (80 degrees F). Current sea surface temperatures (below) are certainly warm enough to support tropical development. Such factors and the occurrence of hurricanes outside the "typical" season have raised questions about whether a "hurricane season" is obsolete. As I wrote last year in Forbes,
Experts note that the current length was established in 1965 based on the formation of 97% of tropical cyclone activity in the basin. HOWEVER, research published in Geophysical Research Letters by Jim Kossin at the University of Wisconsin found that warming sea surface temperatures were leading to "pre" and "post" season storms. A more recent study the Journal of Meteorological Research investigated relationships between sea surface temperatures and early onset. A 2017 study in the Journal of Climate found between El Nino and the tropical cyclone season onset in the Pacific basin.
As a huge college football fan, I will be watching the last few weeks.
Current sea surface temperatures in the Atlantic Ocean.NOAA
