National Weather Service United States Department of Commerce

Preliminary Storm Report for 1 September 2019
By NWS Phoenix -- last updated at 9 PM on 2 September 2019


Several waves of strong to severe thunderstorms moved from east-to-west across southern Arizona and into southeast California during the day of Sunday, September 1, 2019 and into the early morning hours of Monday, September 2, 2019. Numerous alerts were issued as the storms progressed through the region, including 11 Severe Thunderstorm Warnings and 7 Flash Flood Warnings. Click here to view storm reports for this event. The most intense storms occurred near Gila Bend and across La Paz county, impacting the communities of Bouse and Parker.


Radar Image
Radar (composite reflectivity) at 822 PM on 1 September 2019. Click on image for a loop of the full event.


Satellite Image
GOES-17 visible and infrared imagery at 730 PM on 1 September 2019.
Click on image for a loop of the full event at 1-min temporal resolution.


Cloud-to-cloud lightning flashes across Arizona and southeast California.