At 914 AM MDT, Doppler radar indicated thunderstorms producing heavy rain across the Kolob Canyons and Subway areas of Zion National Park. Between 0.75 and 1.25 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is likely ongoing.
HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include... Zion National Park, Apple Valley, Springdale, Kanarraville and Rockville.
This includes Interstate 15 between mile markers 43 and 47, as well as Kanarraville Falls.