2015: Low pressure leaving Washington on Oct. 2 arrived yesterday (Oct. 4) and through October 6th afflicted the greater metropolitan Las Vegas. NV, Area.
Thunderstorms drenched the far southwest part of the Las Vegas Valley during the evening hours. A total of 2.8" of rain was measured for the date, with most of it falling in just 2 hours, at an automated weather station near 215 and Town Center in Summerlin.
A CoCoRaHS observer in the Spanish Trail neighborhood measured a total of 2.61" in a 24 hour period with over 2 inches falling during the evening of the 5th.
Many streets flooded in the southwest part of the Las Vegas Valley and a number of homes had a few inches of standing water in their yards. Nevada Highway Patrol responded to 76 accidents on this date, with wet weather playing a factor in many.
Earlier in the afternoon, a funnel cloud was photographed near Highway 93 in Arizona not far from the turn off to Willow Beach.
Over the course of the period October 4-6, 2015, there were 23 warnings issued with 45 different reports of flash flooding or severe weather.
Hail was observed in several places across the region, with the largest hail measuring 1.25" just east of Boulder City,Nevada.
Finally, abundant moisture through the lower and mid levels of the atmosphere indicated a
primed atmosphere for flash flooding.
Flash flooding occurred as a result of heavy thunderstorms over western portions of the Las Vegas valley several hours after this sounding was observed.
2011: An early season winter storm brought as much as 17" of snow to the Sierra Nevada crest and 6-12" at around 7,000 feet elevation.
Bakersfield Meadows Field Airport broke its daily rainfall for this date (set 90 years ago).
Some convective storm cells even brought snow as low as 4,500 feet near Bass Lake during the afternoon.
2007: An early season winter storm brought snow flurries mixed with rain as low as around 4,000 feet in elevation (Southern Sierra Nevada Mountains).
Snow flurries were observed mixed with rain on the Valley floor of Yosemite National Park and accumulating snow was reported down as low as 5,000 feet in elevation.
Mineral King reported 4" of snow and Hume Lake received 2.0".
1993: A widespread hail event in western Nevada.
Hail up to 1" in diameter fell in Carson City and Reno, NV.
Hail up to 1.5" in diameter was reported in Virginia City, NV.
1987: Downtown San Francisco reached 102° and Salinas reached 105° F, both setting all-time record highs for the month.
1987: A prolonged period of showers from the remnants of Hurricane Ramon started on this day and ended on 10.12 providing much of the region with daily record rainfall on this day.
Amounts ranged from 0.75" at the coast to 2" in the mountains.
2.14" fell at Camp Pendleton and 0.69" fell at San Diego.
Minor flood damage occurred.
1980: Fresno reached 101° F for a high temperature making it the 5th day of triple digit high temperatures that month here, a record for October.
1980: It was 85° F in Big Bear Lake and 101° F in Victorville, each the highest temperature on record for October.
In Victorville this also occurred two days previous on 10.3.
1969: The morning low temperature at Reno, NV was 20° F.
1953: It was 106° F in Escondido, the highest temperature on record for October.
This also occurred the previous day on 10.4.
1925: 3.24" of rain fell in San Diego, starting on 10.4 and ending on this day, the greatest 24-hour amount on record for October.
2.75" fell in Palm Springs, the greatest daily amount on record for October.
Source: NWS San Francisco/Monterey, Hanford, Reno, Las Vegas, & San Diego
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Thunderstorms drenched the far southwest part of the Las Vegas Valley during the evening hours. A total of 2.8" of rain was measured for the date, with most of it falling in just 2 hours, at an automated weather station near 215 and Town Center in Summerlin.
A CoCoRaHS observer in the Spanish Trail neighborhood measured a total of 2.61" in a 24 hour period with over 2 inches falling during the evening of the 5th.
Many streets flooded in the southwest part of the Las Vegas Valley and a number of homes had a few inches of standing water in their yards. Nevada Highway Patrol responded to 76 accidents on this date, with wet weather playing a factor in many.
Earlier in the afternoon, a funnel cloud was photographed near Highway 93 in Arizona not far from the turn off to Willow Beach.
Over the course of the period October 4-6, 2015, there were 23 warnings issued with 45 different reports of flash flooding or severe weather.
Hail was observed in several places across the region, with the largest hail measuring 1.25" just east of Boulder City,Nevada.
Finally, abundant moisture through the lower and mid levels of the atmosphere indicated a
primed atmosphere for flash flooding.
Flash flooding occurred as a result of heavy thunderstorms over western portions of the Las Vegas valley several hours after this sounding was observed.
2011: An early season winter storm brought as much as 17" of snow to the Sierra Nevada crest and 6-12" at around 7,000 feet elevation.
Bakersfield Meadows Field Airport broke its daily rainfall for this date (set 90 years ago).
Some convective storm cells even brought snow as low as 4,500 feet near Bass Lake during the afternoon.
2007: An early season winter storm brought snow flurries mixed with rain as low as around 4,000 feet in elevation (Southern Sierra Nevada Mountains).
Snow flurries were observed mixed with rain on the Valley floor of Yosemite National Park and accumulating snow was reported down as low as 5,000 feet in elevation.
Mineral King reported 4" of snow and Hume Lake received 2.0".
1993: A widespread hail event in western Nevada.
Hail up to 1" in diameter fell in Carson City and Reno, NV.
Hail up to 1.5" in diameter was reported in Virginia City, NV.
1987: Downtown San Francisco reached 102° and Salinas reached 105° F, both setting all-time record highs for the month.
1987: A prolonged period of showers from the remnants of Hurricane Ramon started on this day and ended on 10.12 providing much of the region with daily record rainfall on this day.
Amounts ranged from 0.75" at the coast to 2" in the mountains.
2.14" fell at Camp Pendleton and 0.69" fell at San Diego.
Minor flood damage occurred.
1980: Fresno reached 101° F for a high temperature making it the 5th day of triple digit high temperatures that month here, a record for October.
1980: It was 85° F in Big Bear Lake and 101° F in Victorville, each the highest temperature on record for October.
In Victorville this also occurred two days previous on 10.3.
1969: The morning low temperature at Reno, NV was 20° F.
1953: It was 106° F in Escondido, the highest temperature on record for October.
This also occurred the previous day on 10.4.
1925: 3.24" of rain fell in San Diego, starting on 10.4 and ending on this day, the greatest 24-hour amount on record for October.
2.75" fell in Palm Springs, the greatest daily amount on record for October.
Source: NWS San Francisco/Monterey, Hanford, Reno, Las Vegas, & San Diego
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