Dan Noah NWS Ruskin to reach Operations Download this and archived Webinar PPTs & PDFs at “T.S. Colin”

Potential Impacts Tropical Depression 3 forecast to become Tropical Storm Colin late this afternoon as it moves north into the Gulf of Mexico near the Yucatan Peninsula 1.Above normal tides 1-3 ft Mon afternoon into Tues morning Down a bit from previous forecast NHC/NWS Ruskin will re-evaluate for 7 pm Webinar 2.Flooding rain of 4”-6” Mon-Tue Night, isolated 8” Levy, Citrus, Hernando, Sumter, Pasco, Pinellas, and Hillsborough. Fast moving system means rain totals down from previous forecasts River flooding possible Monday night and persisting into Wednesday 3.Moderate Risk for tornadoes Monday & Monday evening

Tropical Storm Warning Tropical Storm Warning

NHC Wind Timing & Impact 4 PM Monday Max wind to be within rain bands as they pass through county Barrier Islands and areas near coast Sustained mph with higher gusts Inland mph with gusts to 50 mph

Wind Speed Probabilities - Sustained 39+ mph wind

Coastal and Bay Flooding Potential Cedar Key to Hernando Beach 12 pm – 9 pm Monday 3 ft tide (5 ft MSL on Tide Poles in Levy County) Hernando Beach to Longboat Key Barrier Islands: 2 ft AGL 10 am – 2 pm Monday Tampa Bay 3 ft AGL in Bay 12p-6p. Bayshore Blvd floods at 3.5 ft at high tide Longboat Key to Englewood Barrier Islands 2 ft AGL 10 am – 3 pm Monday1 Charlotte Harbor 2 ft 1 pm – 7 pm Monday2-3 ft AGL Less than 2 ft Englewood south

Know Your Tides Click on Pin then click here

Visualize Surge Flooding Potential Sea Level Rise & Coastal Flooding Impacts: 1-6 feet surge at high tide Crystal River - Kings Bay 3 ft Surge + High Tide

6-8 inches 4-6 inches 1-2 inches 3-4 inches Heavy Rainfall Forecast Sun-Tue Night 4-6 inches 3-4 inches 2-3 inches 3-4 inches 2-3 inches

Rainfall / Flood Impacts If realized: Impact Monday & Tuesday Levy, Citrus, Hernando, Sumter, Pasco, Pinellas & Hillsborough Rivers could and overspill their banks, mainly in historically vulnerable places Areas of rapid inundation at underpasses, low-lying spots, and poor drainage areas Flood waters may prompt several evacuations and road closures

Tornado Threat 4 PM Monday Right front quadrant relative to the motion of the storm has the highest risk Moderate risk for all counties in west central and southwest Florida Monday and Monday evening

Potential Impacts Tropical Depression 3 forecast to become Tropical Storm Colin late this afternoon as it moves north into the Gulf of Mexico near the Yucatan Peninsula 1.Above normal tides 1-3 ft Mon afternoon into Tues morning Down a bit from previous forecast NHC/NWS Ruskin will re-evaluate for 7 pm Webinar 2.Flooding rain of 4”-6” Mon-Tue Night, isolated 8” Levy, Citrus, Hernando, Sumter, Pasco, Pinellas, and Hillsborough. Fast moving system means rain totals down from previous forecasts River flooding possible Monday night and persisting into Wednesday 3.Moderate Risk for tornadoes Monday & Monday evening

New SLOSH Model v1.77 – Google Earth KMZ Files CAT 0 (Tropical Storm) & CAT 1 MOMs KMZ Files available at In Google Earth, zoom in then right click on square of interest then click “Properties” to get height above average ground level in square

Hurricane Threat & Impact Graphics Download this and archived Webinar PPTs & PDFs at Contact Us