2 lightning, as filed by the National Weather Service.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Phoenix, AZ wrote its last area forecast discussion before the first event at Jul 4, 3:05 PM MST, 6 hours 4 minutes earlier.
AZZ020>028-CAZ030>033-050545- SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 305 PM MST WED JUL 4 2001 .SYNOPSIS... HIGH PRESSURE ALOFT WILL REMAIN SITUATED TO OUR NORTHEAST THE NEXT COUPLE OF DAYS. THIS WILL CONTINUE THE FEED OF MOISTURE INTO THE REGION FOR ADDITIONAL CHANCES OF LATE AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS. AN UPPER LEVEL WEATHER DISTURBANCE EXPECTED TO PASS NORTH THROUGH THE COLORADO RIVER VALLEY THURSDAY NIGHT INTO FRIDAY MAY GIVE SOME ENHANCEMENT TO THE THUNDERSTORM THREAT. AFTER THIS...A SOMEWHAT DRIER SOUTHWEST FLOW ALOFT MAY BRING A TEMPORARY LULL TO THE THUNDERSTORMS OVER THE WEEKEND BEFORE MORE MOISTURE FROM MEXICO ARRIVES EARLY NEXT WEEK .DISCUSSION... DRIER AIR EVIDENT ON SATELLITE PICS TO THE E OF CWFA WITH ONLY WEAK POPCORN-TYPE TSTMS OVER THE FAR ERN RIM AND WHITES. NO REAL TRIGGER EVIDENT WITH THIS ACTIVITY...AND NOTHING REALLY FIRING IMMEDIATELY UPSTREAM FROM PHX AREA...SO WILL DOWNPLAY POPS TO SLIGHT CHANCE TONIGHT. FURTHER W...HIGHER THETA-E AMS EXISTS AND...ALONG WITH SOME WEAK SPEED DIVERGENCE THAT AREA...SHOULD SEE SOMEWHAT BETTER CHANCE OF ORGANIZED CONVECTION WRN CWFA. ALSO AIDING CHANCES OF SW AZ STORMS WILL BE NICE CLUSTER OF STORMS TAKING SHAPE OVER WRN PIMA COUNTY. THESE WILL BE MOVING INTO AFOREMENTIONED HIGH THETA-E AMS. AFTER TONIGHT...ETA/AVN STILL INSISTING THAT A DECENT SHORTWAVE WILL BE HEADED TOWARDS THE CO RIVER VALLEY FROM BAJA AREA. BOTH MODELS HAVE IMPRESSIVE MOISTURE VALUES ASSOCIATED WITH THIS FEATURE...AS WELL AS LARGE OMEGAS IN ADVANCE OF IT. ALTHOUGH CANNOT REALISTICALLY GO WITH LIKELY POPS THAT MAVS ARE SUGGESTING FOR THU NIGHT/FRI... CERTAINLY FEEL SOLID CHANCE POPS ARE IN ORDER. AFTER FRIDAY... MRF/AVN ARE SUGGESTING A DRYING TREND FOR MOST OF CWFA BEHIND SHORTWAVE TROUGH...AS FLOW ALOFT BECOMES SWLY. THIS STEERING FLOW NOT FAVORABLE FOR LARGE SCALE DESERT OUTBREAKS...ALTHOUGH WOULD NOT BE SURPRISED TO SEE ISOLATED ACTIVITY. SINCE CANT CARRY ISOLATED/ SLIGHT CHANCE IN EXTENDED...AND DUE TO SWLY FLOW...WILL REMOVE MENTION OF STORMS FOR ALL BUT HIGER TERRAIN ZONE 24( OVER WEEKEND. EARLY NEXT WEEK...MRF BRINGS A RETURN TO ESELY FLOW...SO WILL RE-INTRODUCE ACTION BY DAYS 5 THRU 7 MOST AREAS. ESTLE
The Phoenix radar (KIWA), 77 km away, was scanning. The volume nearest the first event began at 04:10 UTC.
2 lightning. Local standard time, as filed.
Mesa firefighters responded to 14 fires caused by lightning during a 90 minute period. One house in the 7100 block of East Dewan sustained about $30,000 in damage. Other lightning strikes caused fires in palm trees.
A man was shocked when lightning hit an electrical transformer in Apache Junction.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2001Every state in 2001This day in weather historyWarnings in Arizona, July 2001
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5257928, 5257927.