One person died in Las Vegas of heat related causes.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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.
One person died in Las Vegas of heat related causes.
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 Aug 13, 6:55 PM PST, 5 hours 5 minutes earlier.
Area Forecast Discussion National Weather Service Las Vegas NV 755 PM PDT Sat Aug 13 2022 .SYNOPSIS...A moist monsoonal flow will remain in place through next week leading to a chance of heavy rain producing thunderstorms across parts of the eastern Mojave Desert and southern Great Basin. Generally dry weather is expected through the weekend across the Sierra and Western Mojave Desert. These western areas will see an increase again next week. && .UPDATE...Most of the area has quieted down this evening, with just a few remaining thunderstorms in northern Lincoln and south of Lake Havasu City. This activity is expected to wane over the next hour or so with the loss of diurnal heating. Another round of storms is on tap for tomorrow afternoon, with the best chances in the eastern half of the area. Flash flood watches remain in effect for these locations through tomorrow night. The monsoon season keeps chugging along as moisture remains in place through the upcoming week. No significant updates to the forecast required. && .SHORT TERM...This Evening through Sunday. For this evening, expecting any afternoon thunderstorm development to end quickly after sunset as instability is already limited/capped across the region due to clouds. The exception will be Lincoln County where models show a consistent signal for an area of precipitation to shift south after 00Z into northern and central Lincoln County. HREF 3hr QPF for 1inch highlights this area from 00Z- 06Z as well. Ensured to linger precipitation chances through at least 06Z for this area and increased precipitation amounts from previous forecast per these model trends. Light showery activity may continue at times after 06Z in Lincoln County through northern Mohave, but impacts with these showers will be limited. For Sunday- Very little change is expected in the overall airmass in the next 24hrs, with high PWAT anomalies continuing to sit over eastern San Bernardino, Clark, eastern Nye, Lincoln, and Mohave counties. Model vorticity fields as well as simulated satellite suggest continued influence from remnant MCVs in this area as well on Sunday. But, compared to what we see today, expecting less cloud cover Sunday morning which will lead to higher instability and a potentially uncapped atmosphere. This should lead to more widespread afternoon convection compared to today with potentially higher impacts. Of note, HREF probabilities for over 1inch of 6hr QPF suggests heavy rainfall and potential flash flooding in central Mohave County through the higher terrain of Clark County. May also see another complex of precipitation shift south through central and southern Lincoln County into Mohave County tomorrow evening and early overnight, which would be another focus for higher impacts. Given the consistent signals from model reflectivities and probabilities as well as continued high moisture available for storms that develop- extended the Flash Flood Watch through Sunday evening. .LONG TERM...Monday through Friday. Ensembles show a weather pattern shift next week with high pressure becoming repositioned further west over the central Rockies. Ensemble mean forecasts have an inverted trough moving westward across southern Texas and northern Mexico through the week bringing additional moisture to the southwest by late next week. This deeper pool of moisture is forecast to be south of our area but a favorable southeast steering flow could send some of this deeper moisture into our area resulting in an increasing threat of widespread heavy rain and associated flash flooding. && .AVIATION...For Harry Reid...Not expecting thunderstorm activity directly over the terminal, but chances of storms in the vicinity are likely, particularly over the higher terrain to the west and south of the Las Vegas Valley. These storms have the potential to kick off gusty winds from their direction. Storms aside, winds will generally remain below 10 kts. Additionally, confidence is low, but storms forming across Lincoln County tonight have the potential to kick off a north-northeasterly outflow between 06 and 07Z tonight, with gusts to 20 kts possible. SCT-BKN aoa 12 kft through the TAF period. For the rest of southern Nevada, northwestern Arizona, and southeastern California...Best chances of vicinity thunderstorms for both the Las Vegas Valley and the Colorado River Valley through 02Z tonight, with gusty winds possible from their direction. Otherwise, winds will favor diurnal speeds and directions. SCT-BKN aoa 12 kft with lower ceilings expected with stronger nearby storm activity. && .SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report any significant weather or impacts according to standard operating procedures. && UPDATE...Woods SHORT TERM...Nickerson LONG TERM...Salmen AVIATION...Varian For more forecast information...see us on our webpage: https://weather.gov/lasvegas or follow us on Facebook and Twitter
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
735 PM PDT SAT AUG 13 2022
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0715 PM FLASH FLOOD 1 NW NEEDLES 34.86N 114.63W
08/13/2022 SAN BERNARDINO CA LAW ENFORCEMENT
CALIFORNIA HIGHWAY PATROL REPORTS ROADWAY
FLOODING ON NEEDLES HIGHWAY JUST SOUTH OF
RIVER ROAD.
0555 PM FLASH FLOOD 13 NW DOLAN SPRINGS 35.70N 114.47W
08/13/2022 MOHAVE AZ COUNTY OFFICIAL
CORRECTS PREVIOUS FLASH FLOOD REPORT FROM 13
NW DOLAN SPRINGS. WEST WHITE HILLS ROAD IS
CLOSED FROM HIGHWAY 93 TO MILE MARKER FOUR
DUE TO FLOODING. FLOODING BEGAN AT 555 PM
MST.
&&The national radar mosaic for the moment the first event began.
1 heat. Local standard time, as filed.
One person died in Las Vegas of heat related causes.
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Heat, Las Vegas Valley | 2022-08-14 | 62 | Male | Unknown | Indirect |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2022Every state in 2022This day in weather historyWarnings in Nevada, August 2022
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: 1054888.