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Cut-Off Low to Stall Near Florida, Bringing Multi-Day Tropical Downpours

High pressure over Mexico will funnel Caribbean and Pacific moisture into South Florida, heightening flash-flood risk.

Overview

  • A mid-level low is expected to detach from the jet stream and linger near Florida, producing prolonged tropical rain over several days.
  • Forecasters say the stalled system will draw deep moisture from the Caribbean and the Pacific, increasing storm coverage and intensity across South Florida.
  • Widespread totals of 3 to 5 inches are forecast for central and southern corridors with 5 to 8 inches or more possible in parts of southern Florida, which could lead to localized flash flooding.
  • The FOX Forecast Center has placed a low-end flash-flood threat for mainly South Florida while warning that saturated pockets of ground and intense short-term bursts of rain raise risks to roads and low-lying neighborhoods.
  • The multi-day rains should help ease a months-long drought in many areas but people should monitor local forecasts and watches because small shifts in the stalled low can change exact timing and heavy-rain locations.