Low pressure passing by to the north brought isolated high southwest winds to southern Nevada.
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The episode as NWS VEF wrote it up.
Low pressure passing by to the north brought isolated high southwest winds to southern Nevada.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Las Vegas, NV wrote its last area forecast discussion before the first event at Mar 4, 10:42 AM PST, 3 hours 38 minutes earlier.
Area Forecast Discussion National Weather Service Las Vegas NV 1042 AM PST Sat Mar 4 2023 .SYNOPSIS...Breezy winds will pick up across the forecast area this afternoon and will continue through tomorrow afternoon as a shortwave moves through the area. This shortwave will also result in increased precipitation chances for the Eastern Sierra, Owens Valley, and Southern Great Basin. Temperatures will continue to remain cooler than normal for early March. && .SHORT TERM...Today and Tomorrow. Current satellite imagery shows a low pressure system spinning off the coast of British Columbia/Pacific Northwest. A shortwave disturbance on the periphery of this system can also be seen on satellite imagery as it pushes into northern California. As this energy moves into our forecast area today and tomorrow we will see west/southwesterly winds pick up across the forecast area. The strongest of these winds will be in the Eastern Sierra Slopes, Owens Valley, Spring Mountains, Las Vegas Valley, Northwestern Clark County, and Southern Nye County where Wind Advisories for 40-50 mph wind gusts have been issued through 7:00 pm PST Sunday evening. HiRes models continue to signal for the potential of downslope winds in the Owens Valley, Las Vegas Valley, and north of the Spring Mountains beginning later this evening. These downslope winds will have the potential to result in gusty crosswinds and hazardous driving conditions along portions of Highway 395 in the Owens Valley and Highway 95 between Indian Springs and Desert Rock-Mercury. Isolated wind gusts in excess of 40 mph may occur outside of the areas under the Wind Advisories, but these gusts are not expected to be widespread or impactful. Outside of southwesterly winds, this shortwave will also produce snow in the Eastern Sierra Slopes. However, the bulk of this snow is expected to fall above 9,500 feet. The latest run of the NBM gives a 25% chance for 6+" and a 14% chance of 8+" for Aspendell, CA (approximately 8,400' elevation). The Owens Valley and southern Great Basin will also see increased precipitation chances this evening into Sunday, with the highest accumulations expected in the panhandle of Lincoln County and a dusting elsewhere. In terms of temperature impacts, it appears as though unseasonably cool temperatures will continue to stick around as afternoon high temperatures drop around 5 degrees from today to tomorrow. .LONG TERM...Monday through Friday. GEFS/ECMWF EPS in good agreement projecting an omega block across the northeast Pacific/Pac NW through the first half of next week. By late week there are signs of the block breaking down with PacNW trough weakening and beginning to shift eastward, or now maybe sliding more southeast through the Great Basin. There will remain a chance for light showers along the southern Sierra, with a slight chance for the mountains of south central Nevada through the week. Don't foresee any significant winds while temperatures do moderate through Wednesday then level off Thursday and Friday. Highs will be running about 5-10 degrees below normal. && .AVIATION...For Harry Reid...Increasing southerly winds with gusts to 30kts can be expected this afternoon. Speeds will diminish some overnight, and it's possible that speeds may decrease below 10kts for a few hours after midnight. However, winds will increase again out of the southwest on Sunday, although speeds should be a bit lower than today. Low-level turbulence will continue to be possible today and again on Sunday, mainly west of the field near the Spring Mountains. Periods of High clouds AOA 20kft will continue through Sunday. For the rest of southern Nevada, northwest Arizona and southeast California...Winds will increase out of the south-southwest this afternoon, with the strongest winds occurring in a band from near KDAG in the western Mojave Desert and KBIH in the Owens Valley to the Vegas Valley. Winds will diminish some overnight, but gusty winds will return on Sunday. Low-level turbulence will also be a concern near area mountains this afternoon and again Sunday afternoon. Periods of High clouds AOA 20kft can be expected through the period, except across the southern Sierra and KBIH, where bases will be closer to 15kft into Sunday. && .SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report any significant weather or impacts according to standard operating procedures. && SHORT TERM...Stessman LONG TERM...Pierce AVIATION...Planz For more forecast information...see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter
The national radar mosaic for the moment the first event began.
2 high wind. Local standard time, as filed.
These gusts were measured 3 miles NE of Mount Charleston. High winds occurred intermittently through the period.
This wind occurred at Mercury-Desert Rock (KDRA).
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2023Every state in 2023This day in weather historyWarnings in Nevada, March 2023
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1089491, 1089490.