Flash Flood in Lyon County, Nevada

Flash Flood July 18, 2023 · Lyon County, Nevada

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Flooding was reported along NV 338, which closed the highway from Wellington to the CA/NV border. Location is approximate based on radar.

The wider storm

Ample mid and upper level moisture that streamed across western Nevada, coupled with summer daytime heating, increased instability across the region that allowed for increased shower and thunderstorm chances (15-30%) that extended mostly south of US-50 from southern Mono County through Mineral counties. These storms were forecast to be a hybrid variety capable of gusty outflow winds up to 50 mph, heavy rainfall, and isolated dry strikes outside of storm cores.

Began near Wellington (38.6108, -119.2422).

Source: NOAA Storm Events Database, event 1140624. Narratives are written by the National Weather Service forecast office that issued the report.

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