High-Impact Weather and Climate Events

A cloudburst produced 4.1" of rain, which fell on an above-average spring snowpack, resulting in widespread flooding. Damage was reported to infrastructure, including the Chicago and Northwestern Railways, private property and farm equipment, crops and livestock. Hot Springs residents were left without water or electricity.

Over 2" of rain in less than 2 hours caused flash flooding in Casper, damaging residential property.

Early-season snowstorm destroyed crops across Utah. Additional damage was done to power lines, trees, and shrubs.

Flood waters damaged the Northeast residential area of Glenrock, including a municipal park, a trailer court, croplands, bridges, fences and farm buildings.

Flood was caused by heavy rainfall on an above-average snowpack. Most of the flooding came from the area above 9,200 ft. During the event the snowline moved from 9,200 ft to 9,900 ft. The flood waters damaged bridges, canals, roads, fences and farm land. Seven campers in Sheep Creek were swept away.

"A large and destructive tornado accompanied with hail, up to softball size, ripped through eastern Logan County. An 88-year old farmer and his wife received minor injuries when the tornado flattened their home. The elderly man spared from serious injury when the recliner he was sitting in flipped upside down; just before a wall caved in on top of him. The farmer suffered a cracked vertebra and a lacerated hand. In all, five farmsteads were either damaged or destroyed. Several structures were destroyed, including three homes and numerous outbuildings. One modular home was lifted up and dropped 50 feet away from its foundation. Numerous pieces of farm equipment including, machinery, stock trailers and vehicles were damaged or destroyed. Three square miles of corn crops and several trees were destroyed. Some livestock were also killed. The tornado snapped power poles and downed electrical lines between Holyoke and Fleming. Initial damage estimates to two properties alone were around $750,000." - NOAA

The winter-like storm system of May 6-7 produced heavy snowfall above 6000' and drenching rainfall below. Between 1.5" and 5" of rain fell in less than 24 hours. Reported damage included beet and barley crops, along with public infrastructure. Most of the damage occured in Park County, where at least 17 bridges or crossings were destroyed, and six roads were washed away.

A mass of moist tropical air from Pacific Tropical Storm Norma collided with a cold front, producing heavy rains throughout Utah, Colorado and Arizona. The majority of the damage was in Arizona where the event killed 23 people. In Utah, the storm killed a couple who were swept away in their car. The flooding also caused infrastructure damage.

An F1 tornado in the Naples area damaged or destroyed several mobile homes, garages, and sheds. Several houes were damaged by flying debris. Power poles were pulled out of the ground and numerous trees were downed, with some thrown up to a quarter of a mile away. Agriculture damage included hay pastures and gardens.

An F1 tornado touched down on the west side of Washington Boulevard and traveled north for approximately 1.25 miles. Numerous trees were downed, causing major damage to two homes.