List of United States tornadoes from September to December 2023 information
List of tornadoes in the United States
This page documents all tornadoes confirmed by various weather forecast offices of the National Weather Service in the United States in September, October, November and December 2023. Tornado counts are considered preliminary until final publication in the database of the National Centers for Environmental Information.[1] On average, there are 66 confirmed tornadoes in the United States in September, 59 in October, 54 in November and 28 in December.[2]
In September, tornadoes are most likely to occur in relation to the Atlantic hurricane season (as September is the peak month of hurricane season), and they can occur almost anywhere in the southern and eastern states as a result of landfalling tropical cyclones should such occur. A secondary focal point lies in the Midwest and Great Lakes as a result of early-autumn frontal systems.[3] While tropical activity tends to decrease in October, the relative peak shifts into the Great Plains and towards the southern states as the jet stream shifts southward (albeit generally with less activity than in the spring months in the same regions).[4] In November and December, these tornadoes are most likely in the southern states due to their proximity to the unstable airmass and warm waters of the Gulf of Mexico, with occasional incursions farther north into the Midwest especially in November.[5]
The fall months were very quiet in terms of tornadoes in the United States. With relatively quiet tropical activity in the United States in September and few early-season frontal systems, tornadic activity in September was very limited, with only isolated, weak tornado touchdowns. Only 26 tornadoes were confirmed (all of them weak), which was well below average. October also saw well below normal activity with a total of 32 tornadoes, however more significant tornadoes occurred compared to the previous month as a result of a damaging outbreak in Florida during the middle of the month. November was also well below average with 16 confirmed tornadoes, all of them weak. December was slightly below average, with most of the activity focused in a single outbreak early in the month.
^"U.S. Tornado Climatology | National Centers for Environmental Information (NCEI) formerly known as National Climatic Data Center (NCDC)". www.ncdc.noaa.gov. Retrieved 1 September 2021.
^"U.S. Tornadoes". National Centers for Environmental Information. National Oceanic and Atmospheric Administration. Retrieved September 1, 2023.
^Ian Livingston (September 17, 2015). "Here's where tornadoes typically form in September across the United States". U.S. Tornadoes. Retrieved September 1, 2023.
^Ian Livingston (October 14, 2015). "Here's where tornadoes typically form in October across the United States". U.S. Tornadoes. Retrieved September 26, 2023.
^Ian Livingston (November 17, 2014). "Here's where tornadoes typically form in November across the United States". U.S. Tornadoes. Retrieved October 29, 2023.
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