12/20/2023 0 Comments Matthew banks in north augusta scIn addition, roughly the same number of landfalls occurred during "warm" ENSO (i.e., El Nino) conditions (5) versus "cold" ENSO (i.e., La Nina) conditions (4), with a majority of these during "weak" El Nino/La Nina conditions. From 1950 to 2018, the most (9) landfalling TCs occurred during "neutral" El Nino-Southern Oscillation (ENSO) conditions, including both major hurricanes (Gracie-1959 and Hugo-1989).There has been a general upward trend in the number of weaker TCs making landfall (although this could at least partly be due to increasingly better observations over time) and a general downward trend in the number of major (Cat 3-5) hurricane landfalls.Most landfalls occurred in August (12) and September (12), with the earliest landfalls (2) in May and the latest landfalls (7) in October. 17 TCs made landfall in Charleston County, SC, 9 in Beaufort County, SC, 6 in Chatham County, GA, 4 in McIntosh County, GA, 3 in Liberty County, GA, and 2 in Colleton County, SC.25 TCs were H, 9 were TS, and 7 were TD.Since official records began in 1851 through 2018, 41 TCs made landfall in the NWS Charleston, SC CWA.Furthermore, there was a slight preference for more (and stronger) TCs during moderate-strong La Nina conditions compared to moderate-strong El Nino conditions. Also, all 7 of the major (Cat 3+) hurricanes occurred during either La Nina or neutral ENSO conditions. However, early in the season more TC occurred during El Nino conditions. From 1950 to 2018, more TCs occurred during "cool" El Nino-Southern Oscillation (ENSO) conditions (i.e., La Nina) compared to "warm" ENSO conditions (i.e., El Nino).
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