Thursday, July 9, 2015

Large Lightning Storm and Lots of Rain


Last night was the largest display of lightning I have ever seen! Frequent flashes of lightning illuminated the entire night sky.




A friend and I drove out to the get a better look. It was strange to see so much lightning right above out heads but not hear any thunder. The sound must have been drowned out by the heavy rain.



We were parked near Utah Lake State Park watching the storm. From the radar it looks like the storm intensified as it moved north into Salt Lake County. 
July 8, 2015 Radar 9:10 PM - 11:20 PM
It looks like the HRRR model got this storm right. The analysis soundings show much less CAPE at 6:00 PM than the amount of CAPE three hours later...

CoCoRaHS observations show nearly an inch of rain measured yesterday in parts of Salt Lake county, and farther north saw over an inch. The Salt Lake Airport reported 0.93 inches that fell in a two hour period. The NWS issued a flash flood watch. Even in Provo, there was a lot of rain running down the streets. 

The winds last night in Spanish Fork must have been strong because tree limbs about hit the truck out front...

Nothing in the wind observations sticks out to me, except for the 20 mph gusts after 20:00 (8:00 PM)


This event happened on the same day as the NWS reported that 14 people have died by lightning strikes this year, double the amount of last years (read here)
Read about lightning safety here.

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