1,237 first-hand accounts of flood events in Arizona, ranked by impact. Each is a NOAA-written narrative of the moment.
Scattered thunderstorms moved northwest across southeast Arizona during the afternoon and evening. Storms produced heavy rain and flash flooding in Clifton, on the Tohono O'odham Nation and in western Pima County.
Read the full account →Showers and embedded thunderstorms developed across south central Arizona during the early morning hours on September 8th, and as the morning progressed the showers intensified and became more and more widespread.
Read the full account →Scattered to numerous showers and thunderstorms developed across much of central Arizona during the morning hours on August 19th, and they moved steadily towards the northeast for a period of several hours, affecting the greater Phoenix metropolitan areas as well as higher…
Read the full account →A slow moving low pressure system brought several rounds of showers and thunderstorms across portions of south-central and southwestern Arizona throughout the day on the 15th.
Read the full account →The combination of near record moisture content (PWATs 1.8-2.0 inches), moderate to strong instability (SBCAPE 2000 J/KG), very slow steering flow and an upper-level disturbance resulted in a very conducive environment for the generation of thunderstorms producing very heavy…
Read the full account →The combination of near record moisture content (PWATs 1.8-2.0 inches), moderate to strong instability (SBCAPE 2000 J/KG), very slow steering flow and an upper-level disturbance resulted in a very conducive environment for the generation of thunderstorms producing very heavy…
Read the full account →Deep moisture, some of it tropical in nature, interacted with a pair of upper level low pressure systems and led to the development of widespread rain and isolated thunderstorms across south-central Arizona during the evening hours on the 20th.
Read the full account →A large area of low pressure developing to the west of Arizona advected considerable amounts of moisture into Arizona on November 19th. Widespread showers and a few thunderstorms developed across the central deserts during the evening hours; some of them produced moderate to…
Read the full account →Multiple rounds of thunderstorms developed and drifted slowly across southeast Arizona from the early morning hours of August 10 through the late night/early morning hours of August 12.
Read the full account →An upper level low sitting over central Arizona on the 11th and 12th led to the development of multiple rounds of showers and thunderstorms across the region.
Read the full account →An upper level low sitting over central Arizona on the 11th and 12th led to the development of multiple rounds of showers and thunderstorms across the region.
Read the full account →Strong to severe thunderstorms developed in an unstable atmosphere in the afternoon of the 22nd. Storms initially developed over the high terrain of northern and eastern Arizona as well as near the Table Top mesa area south of Phoenix.
Read the full account →A classic bow echo developed along the Mogollon Rim in central Arizona around 1900MST on the 13th and merged with thunderstorm clusters that developed in south-central Arizona around 2030MST to form one southwestward-moving MCS that progressed all the way to the town of Yuma in…
Read the full account →Thunderstorms with locally heavy rain developed over portions of southern Yuma County during the late afternoon and early evening hours on August 16th.
Read the full account →Thunderstorms developed across much of the greater Phoenix area during the afternoon and evening hours on October 23rd. Many of the stronger storms formed over the northern half of the metropolitan area, including communities from north Scottsdale and Carefree to Glendale,…
Read the full account →Copious amounts of tropical moisture spread north and into the south-central deserts during the morning hours on October 2nd; the moisture was associated with the remnants of former hurricane Rosa.
Read the full account →A line of thunderstorms moved northeastward through the Tucson Metro area causing damage to a roof, tree branches downed, and a palm tree uprooted.
Read the full account →Scattered thunderstorms moved west across southeast Arizona. Storms produced flash flooding and a swath of damaging winds across the Tucson Metro area, and a landspout was also observed.
Read the full account →Thunderstorms with locally heavy rainfall affected portions of the deserts to the southwest of Phoenix during the late evening hours on August 12th.
Read the full account →Copious amounts of tropical moisture spread north and into the south-central deserts during the morning hours on October 2nd; the moisture was associated with the remnants of former hurricane Rosa.
Read the full account →Multiple rounds of thunderstorms developed and moved across southeast Arizona from mid morning of August 16 through the early evening of August 17.
Read the full account →An upper level trough and lead-on shortwave trough moved through Arizona during the day on the 18th. Moderate to high instability and high moisture content supported scattered strong thunderstorms.
Read the full account →Thunderstorms moved westward into the Tucson Metro area the afternoon and evening of September 6th bringing flash flooding of multiple washes having at least 6 inches of moving water.
Read the full account →A large thunderstorm complex developed and tracked into south-central Arizona during the early morning hours on the 4th with widespread heavy rainfall activity across the Phoenix area, leading to flash flooding.
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