As of 8 a.m. on Sunday, Tropical Storm Debby has strengthened with winds now sustained at 60 mph. The storm is tracking north-northwest at 13 mph. As the storm continues to move further into the warm Gulf of Mexico, strengthening is projected. The latest forecast projects Debby to become a Category 1 Hurricane by Monday with winds of 85 mph as it moves into the Big Bend region. Hurricane Hunters are scheduled to investigate the system today.
A Tornado Watch has been issued for most of the state, including all of Southwest Florida, until 8 p.m.
A brief Tornado Warning was issued for parts of Collier County at 10:19 a.m.. The warning expired at 10:45 a.m. Locations impacted included Ave Maria and Golden Gate Estates, west to I-75.
A Tropical Storm Warni ng is in effect for all of Southwest Florida's coastline, which means tropical storm conditions are possible in the warned area.
A Tropical Storm Watch is in effect for inland Lee, Charlotte, and DeSoto counties.
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Debby will continue to grow and strengthen as it moves through warm Gulf waters, which are in the mid to upper 80s. We expect that the storm could slow down or stall near Big Bend or right after landfall due to high pressure blocking an exit for the system. After landfall in the Big Bend by Monday morning, the system will bring heavy rain and gusty winds to Georgia and South Carolina.
Our timeline for impacts of heavy rainfall, gusty winds, and potentially some coastal flooding will be when this system makes its closest pass to SWFL, which will be through Sunday morning into the afternoon. The storm will bring several inches of rain and tropical storm-force winds.
A Flood Watch is in effect for all of Southwest Florida.
For now, the main impact on our community looks to be an increase in rain coverage starting Sunday morning. Rainfall from this system has the potential to be significant from Saturday through Sunday, ranging from 2-4 inches. However, it's possible that parts of South Florida could see higher amounts depending on where the heavier rain bands set up. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas.
Although we don't expect this to be a major wind event for us, a faster-forming storm could bring tropical storm-force winds to portions of the area, with gusts above 40 mph especially near the coast.
The onshore winds may also produce higher tides and a peak storm surge of 2-4 feet. A storm surge watch is in effect for coastal Lee and Charlotte counties. We do expect high tides across Southwest Florida from late morning through the mid-afternoon. The amount of surge will depend on the timing of onshore winds and if they coincide with high tide. Currently, the threat appears to be 1-3 feet across Collier County and on average 2-4 feet across Lee and Charlotte Counties with some locally higher spots.
Be sure to check back with the forecast frequently and count on the NBC 2 Hurricane Tracking Team to keep you informed on-air and online.
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