Week of warm, sultry nights ahead for South Florida

Expect the A/C to keep humming through the night next week — at least if you live on Florida’s East Coast.

South Florida will be going into a period of very balmy nights with lows typical of mid-summer, according to forecasts by the National Weather Service in Miami.

Forecast lows in West Palm Beach, Fort Lauderdale and Miami call for the upper 70s, although highs are expected to back down from the searing low 90s that arrived over the weekend.

Precip forecast
An approaching cold front may trigger showers and thunderstorms across South Florida Sunday, but the front itself is forecast to wash out. (Credit: NOAA/ WPC)

The pattern change will be due to a “deepening easterly flow” forecasters said, as high pressure settles over the Southeastern U.S. Surf temperatures off Palm Beach are running at around 77 degrees.

Will nights be warm enough to tie or break records? Temperatures may be near, or just shy of record warm readings, since records for the third week of May begin climbing toward the 80-degree mark.

Normal lows in South Florida don’t reach the mid- to upper-70s until late July and August.

Interesting to note, though, that sea surface temperatures have actually fallen below normal across the Bahamas and throughout most of the Gulf of Mexico. However, they are much above average across the tropical Atlantic from the coast of Africa through the Caribbean.

Miami tied a record high Saturday with 93, matching a mark set in 1985. It was 91 in Fort Lauderdale, which fell short of the record high of 94 set in 1971. Highs were 88 in West Palm Beach and 87 in Naples.

In East-Central Florida, Vero Beach tied a record high Saturday with 93, matching the mark set in 1974. Melbourne set a new record high Friday with 95, busting the previous record of 94 set in 2003. Melbourne’s high was 91 on Saturday.

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SCIENCE OF THE SPOTLESS SUN: The sun was free of sunspots for five days in a row, NASA writer Tony Phillips noted in his blog on Saturday. It was the 35th day this year without a sunspot, an indication that the Solar Minimum is approaching.

Sunspot activity runs on an 11-year cycle, with this cycle’s Solar Minimum expected to reach its peak some time in 2019 or 2020.

Sunspot activity affects space weather, but not Earth weather, scientists believe. Solar flares send out powerful radiation bursts that can impact communications.

Thunder graphic

SEASONAL WEATHER WARNING: Florida is on the brink the thunderstorm season, and safety is a prime concern since the state has some of the highest lightning activity in the world. Note that of all outdoor sports, soccer exposes the most people to lightning fatalities . (Credit: NWS-Jacksonville)

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THE (WARM AND) WINDY CITY: Chicago temperatures could increase more than 8 degrees Fahrenheit by the end of the century, radically changing the look of local flora by supporting more and more invasive species, according to a new analysis by the U.S. Department of Agriculture’s Forest Service.

Precipitation is expected to increase in winter and spring, but the number of extreme doughts may also increase.

“Increased temperatures will lead to longer growing seasons and shifts in plant hardiness and heat zones,” the Forest Service report said.

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Author: jnelander

Freelance writer and editor

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