2017: Thunderstorms struck the deserts with heavy rains and severe winds each day from 9/7 through 9/9.
On this day, peak gusts reached 62 mph in Thermal, which led to many toppled trees in Rancho Mirage.
2015: Subtropical moisture from remnants of Hurricane Linda brought thunderstorms to most of the region on 9/7 and on this day.
Thunderstorms on this day developed over the mountains and spread into the Inland Empire and Orange County, as well as near I-15 in San Diego County.
Hail was the size of nickels and quarters in Julian, Pine Valley, Victorville and Beaumont.
Two hikers were caught in a flash flood near Forest Falls, and one drowned.
A small dust storm hit Riverside and downed several trees and power poles.
National Trails Highway (Old Route 66) was washed out at a bridge near Essex with mud across the road throughout the area water up to 3 feet high.
Interstate 40 was flooded near mile marker 40.
US 95 was washed out south of Needles and northwest of Needles at the intersection with Goff's Road (Old Route 66) due to flashflooding.
Further south, US 95 was covered by flashflood waters north of Vidal Junction entrapping some autos and sweeping others into the desert.
Further north between Needles and Vidal Junction, US 95 was covered in up to 4 feet of floodwaters which trapped motorists.
The roadbed was flooded at the intersection of Amboy Road and Midway Road in the town of Amboy and water continued to run there for many hours.
2014: Weakening Hurricane Norbert brought moisture to produce thunderstorms mainly in Riverside and San Diego Counties.
1997: A trace of rain fell in Fresno.
This is the only day during the month of September that Fresno has never recorded any measurable rain.
1986: Thunderstorms with heavy rain moved from Blythe, CA, to Prescott, AZ, producing flooding in Ehrenburg, AZ.
5 mobile homes were washed away.
Several roads were either flooded or closed during the evening across La Paz County.
1984: A tropical air mass lasting two weeks and high sea surface temperatures led to record minimum temperature records set each day except one at San Diego starting on 9.4 and ending on 9.19.
Low temperatures ranged from 73° F to the highest minimum of all time of 78° F on 9.9 and 9.17.
The high was 100° F on this day.
Poor air quality and high humidity caused numerous health problems.
1939: A thunderstorm dropped 2.7" of rain on Needles.
This was the first in a series of storms to hit Needles with 8.5" this month, almost double the entire seasonal average.
Flash floods and debris flows washed through city streets and washed out railroads and highways.
Several residences and a few businesses were damaged.
Source: NWS San Francisco/Monterey, Hanford, Las Vegas, Phoenix, & San Diego
--
2014: Weakening Hurricane Norbert brought moisture to produce thunderstorms mainly in Riverside and San Diego Counties.
Rainfall amounts of 1"-2" fell over the city of Riverside, San Bernardino and Hemet, while the mountains in that county saw up to 0.60" near Sky Valley.
Early morning thunderstorms on this day drenched parts of the Coachella Valley which received from 0.33" up to just over 3" near the lower foothills in Thousand Palms and La Quinta.
Widespread flash flooding, most notably in the Coachella Valley, occurred on this day.
Mud and water closed roads and stranded vehicles in La Quinta, Palm Desert, and Thousand Palms.
Homes in La Quinta were surrounded by water.
Moving water was 3' deep on roads and 4'-5' of standing water submerged vehicles.
Mud was several feet deep on Varner Road.
Early morning thunderstorms on this day drenched parts of the Coachella Valley which received from 0.33" up to just over 3" near the lower foothills in Thousand Palms and La Quinta.
Widespread flash flooding, most notably in the Coachella Valley, occurred on this day.
Mud and water closed roads and stranded vehicles in La Quinta, Palm Desert, and Thousand Palms.
Homes in La Quinta were surrounded by water.
Moving water was 3' deep on roads and 4'-5' of standing water submerged vehicles.
Mud was several feet deep on Varner Road.
2008: The Angora Fire started in Sequoia NF caused by lightning and was located 20 miles NE of Springville (Tulare County).
It burned 134 acres and was contained on 9/13/13 costing $915,233.
2004: The Trimmer Fire burned 125 acres 25 miles northeast of Fresno.
The fire was human in origin.
No fatalities, injuries, or structure-losses occurred.
1999: Following the demise of a tropical storm off the coast of Baja California, remnants of the storm drifted northward and made landfall just off the coast of Central California.
The result was the biggest lightning show the Bay Area had seen in at least 15 years.
More amazing still was the persistence of the storm in which cell after cell with frequent lightning passed over the area throughout the evening.
1998: A severe thunderstorm rapidly developed over the south end of the Las Vegas Valley, NV, and moved north focusing damaging winds and heavy rain mainly across the eastern half of the metro area.
High winds toppled trees in Henderson, NV, and downed power lines which blocked both north and southbound lanes of Interstate 15 for about 40 minutes just north of the Warm Springs overpass.
Rainfall amounts of 0.75"-1.2" fell in less than 30 minutes in many locations producing widespread street flooding and full washes.
Flooding also caused minor damage to some homes in Henderson.
Wind measuring equipment at the Henderson Executive Airport recorded wind gusts of at least 80 mph.
Air traffic control personnel temporarily evacuated the airport tower, but no damage was reported.
1997: A trace of rain fell in Fresno.
This is the only day during the month of September that Fresno has never recorded any measurable rain.
1986: Thunderstorms with heavy rain moved from Blythe, CA, to Prescott, AZ, producing flooding in Ehrenburg, AZ.
5 mobile homes were washed away.
Several roads were either flooded or closed during the evening across La Paz County.
1984: A tropical air mass lasting two weeks and high sea surface temperatures led to record minimum temperature records set each day except one at San Diego starting on 9.4 and ending on 9.19.
Low temperatures ranged from 73° F to the highest minimum of all time of 78° F on 9.9 and 9.17.
The high was 100° F on this day.
Poor air quality and high humidity caused numerous health problems.
1939: A thunderstorm dropped 2.7" of rain on Needles.
This was the first in a series of storms to hit Needles with 8.5" this month, almost double the entire seasonal average.
Flash floods and debris flows washed through city streets and washed out railroads and highways.
Several residences and a few businesses were damaged.
Source: NWS San Francisco/Monterey, Hanford, Las Vegas, Phoenix, & San Diego
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