NOAA Still Expects Active Hurricane Season
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It’s been a quiet hurricane season so far, but the National Oceanic and Atmospheric Administration says a busy peak is ahead. The agency’s midseason forecast actually dipped a little: 14 to 20 named storms, with six to 10 developing into hurricanes and three to five of those strengthening into major storms of Category 3 and up.
In an Aug. 4 news briefing, the administration announced a slightly decreased chance for an above average season, from 65% to a 60% chance of an above average season.
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In the agency’s first prediction of the season, in May, it suggested the Atlantic could see 14 to 21 named storms, six to 10 of which could grow into hurricanes and three to six that could develop into major hurricanes.
*Updated* 2022 Atlantic #HurricaneSeason Outlook now calls for: 14-20 named storms of which 6-10 could become hurricanes, including 3-5 major hurricanes. https://t.co/RvRqaZGpXz @NWS @NWSCPC #HurricaneOutlook #ItOnlyTakesOne #HurricanePrep pic.twitter.com/iRKH8AQgmw — NOAA (@NOAA) August 4, 2022
The agency lopped one storm off its prediction — and lowered its chances of an active season — mainly because of lower ocean temperatures.
Matthew Rosencrans, lead hurricane season outlook forecaster for NOAA’s Climate Prediction Center, said the entire northern Atlantic and tropics are still warmer than normal, but there are periods when some patches are slightly lower than normal. Emphasis on slightly — the difference is between zero and one quarter of a degree below normal.
“That was one of the points that really caught the team’s eye and our attention in really backing off that higher end,” he said. “Let’s say a wave comes off of Africa and it runs into one of those colder patches. It might not develop as fast or as strong.”
So far this season there have only been three named storms. Tropical Storm Alex formed near the Bahamas after drenching South Florida the first weekend of June. Tropical Storms Bonnie and Colin briefly formed for a day each in early July, over the Caribbean and the Carolinas, respectively.
The quiet start to this season isn’t unusual, despite the track record of the last few years. August and September are the peak of the season, when the most storms form.
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Based on NOAA’s predictions, that means we could see 11 to 17 more named storms in the next four months, before the season wraps up on Nov. 30. Rosencrans pointed to 2021, which also saw no storms for about a month in July, but from August onward there were two to three storms forming a week.
“You can get very active years with these kinds of lulls in them,” he said.
NOAA has also seen signs that La Nina, the weather phenomenon associated with more and stronger storms in the Atlantic, is ramping up into “that favorable state.”
