An unusual series of severe storms with damaging winds and hail struck many portions of the Phoenix area during the afternoon and evening hours.

Thunderstorm Wind in MARICOPA, ARIZONA
From 05-OCT-10 13:30:00 to 05-OCT-10 13:30:00 (MST-7)
Location: FALFA
Magnitude: 65.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Fence blown over.

Hail in MARICOPA, ARIZONA
From 05-OCT-10 16:16:00 to 05-OCT-10 17:10:00 (MST-7)
Location: WEST CHANDLER
Magnitude: 3.00 
Property damage: 1.80B
Reported by: Trained Spotter

This storm moved from Firebird Lake, south of Chandler to the north Glendale/south Peoria area.  This storm produced widespread golf ball to baseball sized hail along its path.  Thousands of roofs and vehicles were damaged by the hail.  Locations in northwest Phoenix and Glendale were impacted by this storm as well as the storm shortly after noon, compounding the damage.  The football coach at Alhambra High School reported at least one injury when large hail struck the practice field. This palm-size hail is likely the largest hail ever reported in the Phoenix area.
Large hail, estimated to be upwards of 2 inches in diameter, punctured 34 skylights at the main warehouse of St. Mary's Food bank in Phoenix. As a result, water ruined approximately 20 percent of the food inventory, the equivalent of 1.4 million meals. Rain soaked the food, which was stored in cardboard boxes. This information was reported by St. Mary's spokesman Jerry Brown. The damages of 200 thousand dollars covered both the roof damage as well as money to replace the ruined food.

Thunderstorm Wind in MARICOPA, ARIZONA
From 05-OCT-10 13:24:00 to 05-OCT-10 13:24:00 (MST-7)
Location: TREMAINE
Magnitude: 75.00 EG
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Utility Company

A series of powerful storms caused major damage to SRP facilities and power poles.  Thirteen power poles for a 69/12-kilovolt distribution line along the Western Canal near Dobson road in Mesa were knocked down. Twelve of the poles landed on homes causing considerable damage. As many as 20,000 customers were temporarily without power. All told, there were at least 40 utility poles downed in southwest Mesa, which damaged 20 to 30 homes.

Thunderstorm Wind in MARICOPA, ARIZONA
From 05-OCT-10 12:20:00 to 05-OCT-10 12:20:00 (MST-7)
Location: TREMAINE
Magnitude: 65.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

High winds with nickel sized hail caused damage to cars, trees downed and power poles damaged.

Thunderstorm Wind in MARICOPA, ARIZONA
From 05-OCT-10 14:00:00 to 05-OCT-10 14:00:00 (MST-7)
Location: MESA
Magnitude: 60.00 EG
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm winds, estimated to be in excess of 60 knots, toppled the historic Diving Lady neon sign located at the Starlite Hotel in Mesa. The 80 foot neon sign featured three stages of a diving lady.

Heavy Rain in PINAL, ARIZONA
From 05-OCT-10 14:30:00 to 05-OCT-10 15:00:00 (MST-7)
Location: SANTAN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained weather spotter north of Santan indicated that one inch of rain fell within a 30 minute period, resulting in urban flooding.

Thunderstorm Wind in MARICOPA, ARIZONA
From 05-OCT-10 14:51:00 to 05-OCT-10 14:51:00 (MST-7)
Location: FALFA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter in Chandler, near Warner Road and McQueen, reported a thunderstorm wind gust estimated to be 61 knots. No damage was reported by the spotter.

Thunderstorm Wind in MARICOPA, ARIZONA
From 05-OCT-10 12:52:00 to 05-OCT-10 12:52:00 (MST-7)
Location: PHOENIX TURF ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained weather spotter near Bell Road and 16th Street reported a thunderstorm wind gust estimated at 52 knots. Hail in excess of one half inch diameter was also reported with this storm.

Heavy Rain in MARICOPA, ARIZONA
From 05-OCT-10 13:20:00 to 05-OCT-10 14:00:00 (MST-7)
Location: CHANDLER
Crop damage: 0.00K
Reported by: Trained Spotter

A trained weather spotter reported very heavy rainfall associated with strong thunderstorms. 0.44 inches of rain fell in just 10 minutes. Other spotters in central Phoenix and across the greater Phoenix area reported thunderstorms with heavy rain; rainfall rates exceeded one inch per hour and in one instance heavy rain caused visibility to lower to one quarter mile. Over a seven hour period, almost 2 inches of rain fell near Baseline Road and Mesa Drive in Mesa. The heavy rain led to significant urban street flooding and prompted the issuance of an urban small stream flood advisory.

Heavy Rain in GILA, ARIZONA
From 05-OCT-10 13:50:00 to 05-OCT-10 14:30:00 (MST-7)
Location: ROOSEVELT GRPVN ARPT
Crop damage: 0.00K
Reported by: Trained Spotter

A trained weather spotter south of Lake Roosevelt and near highway 188 reported heavy rainfall associated with a thunderstorm. One half inch of rain fell within fifteen minutes; pea sized hail and winds of 40 mph also were observed.

Thunderstorm Wind in MARICOPA, ARIZONA
From 05-OCT-10 14:38:00 to 05-OCT-10 14:38:00 (MST-7)
Location: OCOTILLO
Magnitude: 65.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter in Sun Lakes reported that a large eucalyptus tree was blown down by thunderstorm winds estimated to be in excess of 65 knots.

Flash Flood in MARICOPA, ARIZONA
From 05-OCT-10 13:20:00 to 05-OCT-10 15:20:00 (MST-7)
Location: PHOENIX TURF ARPT
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Fire department and rescue personnel reported that heavy thunderstorm rainfall caused flooding under an overpass along Interstate 17 near Greenway Road. Six feet of water filled up the underpass, preventing travel. In addition, flooding was reported under the overpass at Interstate 17 and Thunderbird road, several cars were stranded at that location.

Heavy Rain in MARICOPA, ARIZONA
From 05-OCT-10 16:30:00 to 05-OCT-10 18:30:00 (MST-7)
Location: PHOENIX FARM AERO AR
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy thunderstorm rains caused the roof to collapse at Enriquez Materials & Quilting, located in southwestern Phoenix.

Lightning in MARICOPA, ARIZONA
From 05-OCT-10 17:12:00 to 05-OCT-10 17:12:00 (MST-7)
Location: TOLLESON
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Lightning caused a working residential structure fire in Tolleson, on the afternoon of October 5th. The fire caused the family to be displaced. No injuries were reported.

Hail in MARICOPA, ARIZONA
From 05-OCT-10 15:05:00 to 05-OCT-10 15:12:00 (MST-7)
Location: SCOTTSDALE
Magnitude: 2.50 
Property damage: 110.00M
Crop damage: 0.00K
Reported by: Trained Spotter

This storm moved from south of Chandler to far north Scottsdale.  As the storm moved through Scottsdale, the storm dropped up to tennis ball sized hail.  The hail damaged hundreds of roofs and vehicles.  Dozens of aircraft at Scottsdale airport were damaged by the hail.

Hail in MARICOPA, ARIZONA
From 05-OCT-10 12:20:00 to 05-OCT-10 12:55:00 (MST-7)
Location: CASHION
Magnitude: 1.50 
Property damage: 900.00M
Crop damage: 0.00K
Reported by: Trained Spotter

Hailstorm moved from southwest to northeast across the central Phoenix area. Hail up to 1.5 diameter fell in this swath.  The hail broke hundreds of skylights and damaged roofs and cars from southwest Phoenix, to north central Phoenix, to Carefree.