2017: Thunderstorms struck the Coachella Valley with damaging lightning, severe winds and flash floods from 9.7 to this day.
On this day, a lightning strike knocked out power to 1,000 customers in Palm Springs.
Heavy rains caused intense flash flooding in Palm Springs and Cathedral City, where structures throughout the city were flooded and roads were covered in debris.
At Palm Springs High School, 31 classrooms were inundated.
Major flood damage also occurred at a mobile home park.Palm Springs recorded a daily rainfall record of 1.2".
2017: Monsoonal thunderstorms pummeled the Ridgecrest area of eastern Kern County.
Nine trees were reported blown down in Inyokern from a thunderstorm downburst.
Redrock-Randsburg Rd. between State Route 14 and U.S. Highway 395 was closed due to flash flooding and debris on the road.
Flash flooding occurred on South Brown Rd between Wiknich Rd. and U.S. Highway 395 south of Inyokern.
South Brown Rd. was closed due to the flooding
2015: The remains of Hurricane Linda brought a second day of severe thunderstorms to the region.
Storms developed in the Inland Empire and mountains in the early afternoon, producing flash flooding and strong winds in Perris and Forest Falls. The storms then pulled an unusual trick, as they congealed and raced westward through Orange County.
Flash flooding was reported in Costa Mesa and Newport Beach along with tree damage in San Clemente.
2015: Monsoonal thunderstorms brought flashflooding to parts of the western Mojave Desert.
Flashflooding was reported on US395 at its junctions with both Trona Road and Hwy. 58 at Kramer Junction and east of there on Highway 58 at Hinckley Road intersection.
2012: A land spout was observed near Perris.
No damage reported.Late in the day, strong outflow winds of 40 to 55 mph from earlier thunderstorms near Yuma swept through the Coachella Valley kicking up a dust storm.
2003: Gusty winds swept over the Kern Desert areas on the 9th with wind speeds commonly reported 35 to 45 MPH but higher speeds over50 MPH did occur during the evening hours.
1999: 4 lightning strikes were observed by an OES Fire Official in the vicinity of Coulterville (Mariposa Co.).
The strikes all produced small fires.
No injuries or damage was reported except for the costs of suppression.
1998: Fierce thunderstorm winds overturned a tractor-trailer on Interstate 40 near Topock, AZ (east side of Colorado River just north of I-40 near Needles, CA).
The same storms later produced winds in Dolan Springs, AZ (just north of Kingman, AZ, in Mohave Co.) which caused roof damage to some homes.
1998: A severe thunderstorm moving through the eastern part of Riverside County generated a gust front that brought strong winds to southeastern portions of the Coachella Valley.
The winds whipped up dust and visibility dropped to near zero, resulting in an 8-car pileup that seriously injured 4 people.
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 this day and on 9.17.
The high was 100° F on 9.8.
The low temperature of 80° F reached in both Santa Ana and Escondido are each the highest minimum temperature on record.
San Diego reached 100° F, the hottest day since 9.15.1979.
Poor air quality and high humidity caused numerous health problems.
1976: Record rains that started on this day and ended on 9.12 came from Tropical Storm Kathleen (called a 160+ year event by meteorologists).
14.76" fell on south slopes of Mt. San Gorgonio, 10.13" at Mt. Laguna, eight inches at Mt. San Jacinto, 4"+ in the Little San Bernardino Mountains, and 1.8"-2.8" in the Coachella Valley.
Deep Canyon (above La Quinta) recorded 2.96" in three hours on 9.10.
Rainfall in the Santa Rosa Mountains above the Coachella Valley was called the heaviest in recorded history.
6 were buried and killed in sand in Ocotillo.
Floods of record were attained at numerous streams around the Coachella Valley.
This occurred during the El Niño of 1976-77.
Hurricane Kathleen also brought the southwest the highest sustained winds ever associated with an eastern Pacific tropical cyclone with sustained winds of 57 mph at Yuma on 9.10.
1960: Fresno received 0.02" of rain.
This was the first time rain fell since May 1, 1960, marking an end of 130 day streak with no measurable precipitation.
1960: North northwestward moving Hurricane Estelle dissipated west of the central Baja California coast.
The heaviest rains were over the San Diego County Mountains with 3.4" recorded at Julian from this day to 9.10.
1945: A tropical cyclone moving north northwestward just off the west coast of Baja California dissipated off the coast of northern Baja California.
Showers produced rainfall up to two inches in the mountains from this day to 9.10.
1944: San Jose had a high of 106° F -- a record for the month.
1944: The high temperature at Reno, NV, was 96° F.
1917: It was 40° F in Santa Ana, the lowest temperature on record for September.
This also occurred on 9.3.1923 and on 9.26.1948.
Source: NWS San Francisco/Monterey, Hanford, Reno, Las Vegas, & San Diego
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