June 7, 2022 - Flooding in South Florida

Flooding in South Florida
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Southern Florida was drowned in a deluge from Potential Tropical
Cyclone One (PTC 1) from June 3 – 5, 2022. Rainfall of more than 13
inches (33 cm) were measured in Miami-Dade County while local media
reported 14 inches (36 cm) of rainfall in Hollywood, Broward County, in
less than 72 hours. Flooding caused cancellations of many dozens of
airline flights, stopped traffic, cut power to more than 3,000
Floridians, and required several rescues from vehicles trapped in deep
water.

On June 5, the Moderate Resolution Imaging Spectroradiometer (MODIS) on
board NASA’s Terra satellite acquired a false-color image of the
aftermath of the deluge in South Florida. This type of image uses
visible and infrared light (MODIS bands 7,2, and 1) to help
differentiate water, which appears black, from vegetation, which looks
bright green. Cloud may appear white or be lightly tinted with blue and
open (unvegetated) land would look tan.

A huge swath of south Florida, from west of West Palm Beach to the
southern tip of the state, has been completely inundated. The area
underwater, as measured through the NASA Worldview App, spans more than
2,470 square miles (6,400 square kilometers). Most of this flooded area
is in low-lying wildlife refuges and the Everglades.

While this one image gives an impressive view of the aftermath of the
tropical system, to truly appreciate the change brought by the storm it
is helpful to compare a Terra MODIS image captured before the storm
with this one, captured afterwards. This is simple, thanks to the NASA
Worldview App. To view a roll-over comparison of an image captured on
May 28, prior to the storm, and the one above, captured on June 5,
simply click here.

The system was first named PTC 1 at 5 p.m EDT June 2 as it formed, in
part, from the remnants of Hurricane Agatha, which struck the western
coast of Mexico on May 30 as the first-named storm of the Pacific
hurricane season and the strongest hurricane to make landfall on the
Pacific Coast of Mexico in May since 1949, when records first began.
Agatha dissipated in the high country of Mexico on May 31, but remnants
continued to unleash heavy rain as it moved across the Yucatan
Peninsula. Once over the Gulf of Mexico, the remnants began to interact
with a low-level trough to create PTC 1. PTC 1 crossed the Gulf of
Mexico, fighting enough wind sheer to keep it below tropical storm
strength, striking Southern Florida from June 2-5. As the storm moved
off Florida’s Atlantic Coast on June 5, it finally restrengthened to
become Tropical Storm Alex, the first named storm of the Atlantic
hurricane season. On June 6, Alex became a post-tropical cyclone after
passing to the west of Bermuda.

Image Facts
Satellite: Terra
Date Acquired: 6/5/2022
Resolutions: 1km (170.8 KB), 500m (424.3 KB), 250m (265.7
KB)
Bands Used: 7,2,1
Image Credit: MODIS Land Rapid Response Team, NASA GSFC



https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2022-06-07

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