A cold front brought rain showers to the Mojave Desert. Isolated heavier rain near Pahrump led to flash flooding.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS VEF wrote it up.
A cold front brought rain showers to the Mojave Desert. Isolated heavier rain near Pahrump led to flash flooding.
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 Dec 8, 2:25 PM PST, 5 hours 33 minutes earlier.
Area Forecast Discussion National Weather Service Las Vegas NV 225 PM PST Sun Dec 8 2019 .SYNOPSIS...A cold front moving south across the region will focus shower and isolated thundershowers through this evening. Northerly winds expected for Monday with clearing skies. Temperatures warming to near and above average for much of the week with dry weather expected. && .SHORT TERM...through Monday morning. The focus for the short term remains upper-level trough and attendant cold front. Abundant low-level moisture is now in place across the region, and showers and thunderstorms are ongoing across Nye and southern Lincoln counties. As the cold front dives south this evening, expect this activity to work its way south, beginning to impact the Las Vegas Valley around 00Z-02Z, then starting to dissipate as it continues further south. Some mid- level dry air with the convection along the front may aid in some punchy northwest winds with the front, but overall, postfrontal winds are not expected to be strong, except down the Colorado River Valley. .LONG TERM...Monday through next Saturday. A quiet and mainly dry long term expected as ridge of high pressure takes control. A midweek trough will crash through the ridge, but the area should remain dry; just a few high clouds and a few breezes are expected. The next shot at any sensible weather will be over the weekend with a system just clipping the region. Temperatures will run near to above average much of the week. && .AVIATION...For McCarran...A cold front will move through southern Nevada late this afternoon and early evening. Clouds around 5-6 kft will increase to BKN coverage and showers will develop around the terminal area between 01Z and 05Z. There is a slight chance of a thunderstorm in the vicinity of the terminal, but confidence is too low to mention in the TAF. Northwest to north winds 10-20 knots can be expected this evening behind the passing front then speeds should drop below 10 knots and ceilings should lift to around 8 kft with decreasing coverage after 06Z this evening. A mostly clear sky can be expected Monday with a north wind around 10 knots developing by 18Z Monday. For the rest of southern Nevada, northwest Arizona and southeast California...Scattered showers, isolated thunderstorms, MVFR ceilings with mountain obscuration can be expected across the southern Great Basin and Mojave Desert region through late this evening as a cold front moves from northwest to southeast. Conditions will clear across the area from Las Vegas southward between 09Z and 15Z Monday with followed by VFR conditions across the region Monday. Winds will be generally less than 15 knots areawide except along the Colorado River Valley near KIFP where sustained north winds near 20 knots will occur much of the day Monday. && .SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report any significant weather or impacts according to standard operating procedures. && SHORT TERM/LONG TERM...Steele AVIATION...............Adair For more forecast information...see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter
The Las Vegas radar (KESX), 126 km away, was scanning. The volume nearest the first event began at 03:59 UTC.
1 flash flood. Local standard time, as filed.
About two feet of water and mud flowed over Highway 160 at Roadrunner Rd, with one swift water rescue, at least one vehicle stuck in the mud, and other vehicles stranded due to water.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2019Every state in 2019This day in weather historyWarnings in Nevada, December 2019
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: 869189.