1,237 first-hand accounts of flood events in Arizona, ranked by impact. Each is a NOAA-written narrative of the moment.
A shortwave trough moving across the Desert Southwest combined with well-above normal moisture, with precipitable water values peaking at 1.0-1.2, resulted in a large swath of rain with embedded thunderstorms moving across portions of southeast CA and southwest AZ during the…
Read the full account →A shortwave trough moving across the Desert Southwest combined with well-above normal moisture, with precipitable water values peaking at 1.0-1.2, resulted in a large swath of rain with embedded thunderstorms moving across portions of southeast CA and southwest AZ during the…
Read the full account →A shortwave trough moving across the Desert Southwest combined with well-above normal moisture, with precipitable water values peaking at 1.0-1.2, resulted in a large swath of rain with embedded thunderstorms moving across portions of southeast CA and southwest AZ during the…
Read the full account →A shortwave trough moving across the Desert Southwest combined with well-above normal moisture, with precipitable water values peaking to around 0.8, resulted in multiple rounds of light to moderate rainfall with embedded thunderstorms across south-central AZ from the 21st to…
Read the full account →A shortwave trough moving across the Desert Southwest combined with well-above normal moisture, with precipitable water values peaking to around 0.8, resulted in multiple rounds of light to moderate rainfall with embedded thunderstorms across south-central AZ from the 21st to…
Read the full account →A shortwave trough moving across the Desert Southwest combined with well-above normal moisture, with precipitable water values peaking to around 0.8, resulted in multiple rounds of light to moderate rainfall with embedded thunderstorms across south-central AZ from the 21st to…
Read the full account →A shortwave trough moving across the Desert Southwest combined with well-above normal moisture, with precipitable water values peaking to around 0.8, resulted in multiple rounds of light to moderate rainfall with embedded thunderstorms across south-central AZ from the 21st to…
Read the full account →A slow moving upper level low pressure system moved down the California coast, tapping ample moisture and spreading precipitation across the state of Arizona. This was a relatively warm storm with high snow levels, at or above 6500-7000 feet.
Read the full account →A slow moving upper level low pressure system moved down the California coast, tapping ample moisture and spreading precipitation across the state of Arizona. This was a relatively warm storm with high snow levels, at or above 6500-7000 feet.
Read the full account →A slow moving upper level low pressure system moved down the California coast, tapping ample moisture and spreading precipitation across the state of Arizona. This was a relatively warm storm with high snow levels, at or above 6500-7000 feet.
Read the full account →The center of high pressure was located over western Texas with a weak upper low over central California. Surface dewpoints were in the low to middle 60's with a precipitable water of 1.50 on the 12z KTWC sounding.
Read the full account →Moisture associated with Tropical Depression Norbert, once rated as strong as a Category 3 hurricane, contributed to very heavy rainfall across southeast Arizona during the morning and early afternoon hours of September 8th.
Read the full account →A weak upper level disturbance combined with abundant moisture approaching 2 inches of precipitable water to generate widespread thunderstorms across southeast Arizona. Thunderstorms produced flash flooding and some produced damaging winds.
Read the full account →A trough of low pressure over southern California drew tropical moisture from the remnants of Tropical Storm Lorena into southern Arizona on September 9th. Precipitable water values near 2 inches contributed to widespread thunderstorms from Tucson westward.
Read the full account →Steering flow shifted to a southeasterly direction as the upper high migrated to northeast Arizona, with precipitable water values between 1.25 and 1.50 inches. A morning storm caused flash flooding in Tucson.
Read the full account →Simon, once rated a Category 4 hurricane with maximum sustained winds of 135 mph, was the fourth tropical system of 2014 to bring rainfall to southeastern Arizona.
Read the full account →A weak upper level disturbance combined with abundant moisture approaching 2 inches of precipitable water to generate widespread thunderstorms across southeast Arizona. Thunderstorms produced flash flooding and some produced damaging winds.
Read the full account →A cluster of severe thunderstorms raked Lake Havasu City between 5:50 and 6:25 PM MST. Wind from the storms reportedly ripped trees out of the ground, downed power lines, and tore tiles from roofs.
Read the full account →A high amplitude ridge was centered over the western U.S. with surface high located in eastern New Mexico. Precipitable water values ranged from 1.25 to 2 inches, and a flash flood watch was in effect for the area.
Read the full account →Surface high pressure was centered over southeastern Colorado with a ridge over the western U.S. The morning KTUS sounding indicated 1.5 of precipitable water, mid-level easterly flow of 15-25 kts, and steep mid-level lapse rates.
Read the full account →Tropical depression 16 E formed about 90 miles west of Cabo San Lazaro, Mexico during the afternoon of September 20, then moved northeast becoming a remnant low centered just southwest of Nogales by September 21.
Read the full account →Green Valley fire department rescued two cars from flooded areas near Green Valley. One driver and 3 passengers were rescued from car in 2 feet of water on Esperanza Blvd near Interstate 19.
Read the full account →A merger of two storms created a severe thunderstorm producing heavy rainfall across Tucson as it moved northwest at 10 mph. This storm not only produced damaging winds but also was one of the largest flash flooding events during the monsoon season.
Read the full account →A thunderstorm moved through the town of Ajo around 800 pm MST, producing heavy rain which resulted in a flash flood. Ajo police reported 2.75 inches of precipitation after the event occurred.
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