Florida rainfall nearing record territory; NHC watching eastern Atlantic

Rainiest June
The wettest June in Tallahassee was in 1989, but 2017 has already popped into the top 10.  An additional 0.01 of an inch fell Monday. (Credit: NWS-Tallahassee)

Florida has had healthy rainfall totals in June, and Tallahassee already has a guaranteed top-10 spot on the all-time wettest June list with 11.85 inches.

North Florida was hammered again on Monday, with Jacksonville picking up 1.76 inches, bringing the monthly total there to 10.32 inches — 4.82 above the June normal. Rainfall in parts of Duval County were in excess of 3.5 inches, according to the Community collaborative Rain, Snow & Hail Network (CoCoRaHS). More showers and storms were streaming in from the west on Tuesday.

Gainesville has had 14.38 inches of rain this month.

More precipitation is promised by the National Weather Service for the entire peninsula, but only a few hundredths of an inch fell in southeastern Florida Monday. A CoCoRaHS observer in northeastern Collier County, however, reported an impressive 2.72 inches.

Forecasters in Miami were calling for three-quarters of an inch of rain Tuesday and Wednesday in Palm Beach with lighter amounts in Broward and Miami-Dade counties.

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PM UPDATE: The NHC late Tuesday lowered the chances of development for the tropical wave over Africa over the next five days from 20 percent to 10 percent, saying that conditions have become less favorable. (Image credit: NHC)

TROPICS TALK: Another vigorous tropical wave about to move off the coast of Africa into the eastern Atlantic has grabbed the attention of National Hurricane Center forecasters, who are giving it a 20 percent chance of development into a depression or tropical storm by the weekend.

The next name on the Atlantic storm list is Don.

If it does develop, conditions won’t be friendly for further intensification in the Atlantic after Saturday or Sunday, forecasters said.

It’s impressive, nonetheless, that so many potent waves are pushing into the Atlantic from Africa this time of the year. They are ultra-rare, as the NHC Points of Origin maps, below, indicate.

If the pattern continues into late summer, as wind shear drops off and dry air becomes less prevalent in the Main Development Region, a disturbing parade of strong tropical storms or hurricanes may make it into the Caribbean.

Philip Klotzbach of the Colorado State University Tropical Meteorology Project will have an updated analysis of the season — and perhaps what these early waves mean — on July 5.

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Development of tropical storms in the eastern Atlantic is relatively rare until late July or early August. (Credit: NHC)

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Author: jnelander

Freelance writer and editor

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