National Oceanic and Atmospheric Administration(NOAA) | August 10, 2023 – Scientists at NOAA’s Climate Prediction Center — a division of the National Weather Service — have increased their prediction for the ongoing 2023 Atlantic hurricane season from a near-normal level of activity to an above-normal level of activity with today’s update.
Forecasters believe that current ocean and atmospheric conditions, such as record-warm Atlantic sea surface temperatures, are likely to counterbalance the usually limiting atmospheric conditions associated with the ongoing El Nino event.
NOAA forecasters have increased the likelihood of an above-normal Atlantic hurricane season to 60% (increased from the outlook issued in May, which predicted a 30% chance).
The likelihood of near-normal activity has decreased to 25%, down from the 40% chances outlined in May’s outlook. This new update gives the Atlantic a 15% chance of seeing a below-normal season.
NOAA’s update to the 2023 outlook — which covers the entire six-month hurricane season that ends on Nov. 30 — calls for 14-21 named storms (winds of 39 mph or greater), of which 6-11 could become hurricanes (winds of 74 mph or greater).
Of those, 2-5 could become major hurricanes (winds of 111 mph or greater). NOAA provides these ranges with a 70% confidence. These updated ranges include storms that have already formed this season.
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