Tampa, Fla. (WFLA) – In this month, it is quite dry, so far the rainfall has accumulated only 80 ″. But that dry trend will end this weekend, when our rainy season kicks off with a wet start.
A whirlwind of tropical moisture spreads across the state from the south, enhancing our rain potential. We’ll see some showers on Friday and we’ll see a high chance of showers throughout the weekend.
After settling into next weekend, we see a healthy opportunity for an afternoon shower every day.
When is the rainy season in Tampa Bay?
According to the National Weather Service, the rainy season in Southwest Florida typically lasts from May 15 to October 15.
We receive about two-thirds of our annual rainfall during our rainy season. Once the rainy season begins, our wildfire risk lessens.
Several factors come together to create our rainy season. First, the high pressure that developed east of Florida – nearly overtaking Bermuda – was called the Bermuda High. Then our sea surface temperature warmed beyond 82° offshore. Finally, we need more moist and humid air, both at the surface and overhead.
The NWS divides our rainy season into three phases:
- Late May to June: The period most likely to occur storms. Hail, strong winds, and landslides are common, along with heavy rainfall and occasional lightning.
- July to early September: During the peak rainy season. While the overall threat to severe weather eases, heavy rainfall and seasonal river flooding remain significant hazards, along with occasional lightning.
- Mid-September to early October: “wind down” phase – it tends to have higher precipitation variability due to latent tropical systems and early cold spells.
While we see rain in our area almost every day during the rainy season, not every area gets rain every day. Who gets the afternoon showers and who stays dry depends heavily on the overall wind direction that day.
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https://www.wfla.com/weather/rainy-season-kicks-off-this-weekend-heres-what-to-expect/ When is Florida rainy season