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Heavy rainfall and flash flooding in South Florida

By Scott Bachmeier •

GOES-16 “Red” Visible (0.64 µm) and

GOES-16 “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.35 µm) images [click to play animation | MP4]

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.35 µm) images (above) showed training and back-building thunderstorms that produced very heavy rainfall and flash flooding across parts of South Florida — particularly in the Miami (KMIA) area — on 26 May 2020. Pulsing overshooting tops were evident, with cloud-top infrared brightness temperatures as cold as -77ºC.

The GOES-16 Total Precipitable Water product (below) revealed clear-sky TPW values as high as 2.2 inches (lighter shades of magenta).

GOES-16 Total Precipitable Water product [click to play animation | MP4]

GOES-16 Total Precipitable Water product [click to play animation | MP4]

Hourly images of the MIMIC Total Precipitable Water product (below) showed the rich tropical moisture associated with a tropical disturbance that had resided over the region for several days.

MIMIC Total Precipitable Water product [click to enlarge]

MIMIC Total Precipitable Water product [click to enlarge]

Categories: GOES-16, Heavy rain / flooding, Microwave