PHOENIX (AP/KSAZ) - Officials with the National Weather Service call it "one for the record books" on its Twitter page Tuesday, as the Valley is battered by weather resulting from the remnants of Rosa.
The National Weather Service says Phoenix Sky Harbor International Airport has received more than 2 inches of rain, as of Tuesday afternoon, tying with November 10, 1923 as the 9th all-time wettest day.
NWS officials have also warned of possible flooding in urban areas, including highways and underpasses. In addition, aFlash Flood Watch has been issued for parts of Arizona until Wednesday morning.
Flash flood watches were in effect for parts of Arizona, California, Nevada and Utah due because of Rosa, which had been downgraded to a tropical depression.
The Maricopa County Flood Control District reported no immediate reports Tuesday morning of flash flooding in the county that includes most of metro Phoenix. But the National Weather Service warned that heavier rain was expected Tuesday afternoon.
Severe flooding shut down four Phoenix-area schools Tuesday and several busy intersections also have closed.
Trooper Kameron Lee of the Arizona Department of Public Safety said rain "played a factor" in numerous car accidents during the morning Phoenix commute, but there were no reports of serious crashes.
Peoria was closed in both directions for several hours at Interstate 17 due to flooding in the underpass.
Sandbags are available at several locations around the Valley for residents.
Forecasters say that even if the rain dwindles later in the day, some roads and washes will likely keep flowing.
Flash flood watches are effect in parts of Arizona, California, Nevada and Utah.