Update: At 1:44 a.m. Monday, May 4, the National Weather Service issued a “significant weather advisory” for north Maricopa County until 2:30 a.m. that “Doppler radar was tracking a line of strong thunderstorms along a line extending from near Goldfield Ranch to Scottsdale Airport and moving north at 30 mph. Brief heavy (downpours) and winds in excess of 40 mph will be possible with these storms.”
Winds in excess of 40 mph are possible with a line of strong thunderstorms in west central Pinal and central Maricopa counties, the National Weather Service in Phoenix reported at 1:07 a.m. Monday, May 4. The strong thunderstorms were along a line extending from near Sun Lakes to near Fountain Hills and moving north at 20 mph, the NWS said.
NWS Phoenix on Twitter reported at about 1:30 a.m. “Another line of strong Tstorms to affect Queen Creek/San Tan Valley/East Mesa next 1/2 hr or so. gusty wnds/Brief hvy rain psbl. #azwx.”
Locations impacted include, Phoenix, Mesa, Chandler, Scottsdale, Gilbert, Tempe, Fountain Hills, Paradise Valley, Sun Lakes, east Mesa, Mesa Riverview Mall, Gilbert City Hall, Tempe Marketplace,, Papago Park, downtown Scottsdale, Freestone Park, San Tan Village Mall, Arizona State University, downtown Mesa and Fiesta Mall, according to the NWS special weather statement.