Flash Flooding August 17, 2024

 NWS forecasters issued flash flood warnings Saturday afternoon for several areas in southern Utah including Colorado City, Zion National Park, east fork of the Virgin River, and Paria River areas. Rainfall of 0.36 inches recorded in Orderville  between 1555 and 1735 MDT. 


The east fork of the Virgin River flooded leading to high flows downstream.


Video

Barrack's Ranch River Crossing




 Paria River at the Colorado River gauge indicate streamflows indicate similar impacts




GOES visible satellite and lightning density at 2301 MDT


This was an active day statewide due to trough to west, moisture transport from the south, high instability, etc.

MRMS rainfall



MRMS lightning analysis



700 hPa winds

CAPE



Precipitable water




Integrated Water Vapor Transport (surface to 500 hPa)



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