Five people 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.
Five people 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 Jul 27, 8:50 PM PST, 3 hours 10 minutes earlier.
Area Forecast Discussion National Weather Service Las Vegas NV 950 PM PDT Thu Jul 27 2017 .SYNOPSIS... Relatively dry weather pattern is expected Friday and Saturday as chances for showers and storms remain primarily across Mohave County and Lincoln County. Storm chances increase early next week as next round of moisture begins pushing across the region on Sunday. && .UPDATE...Isolated thunderstorms were persisting over northern Esmeralda and central Lincoln counties this evening. Individual cells were generally short lived and radar rainfall estimates were less than a quarter inch for most cells. The primary driver for the late evening convection appears to be a short wave trough moving from central California into Nevada and associated shear and convergence across south central Nevada. The PoP/WX grids were adjusted based on the latest radar and satellite trends. The rest of the forecast area should remain free of convection through the night. && .PREV DISCUSSION... 244 PM PDT Thu Jul 27 2017 .SHORT TERM...Today through Saturday. For the remainder of the afternoon, showers and storms should remain isolated across northern Mohave, Lincoln, central Nye, and the higher elevations of Clark County. Lingering moisture could support some heavy downpours with these storms along with gusty winds as forecast soundings indicate significant dry air at the midlevels. Afternoon activity should dwindle across Clark and Mohave counties this evening with continued chances for showers and storms across Lincoln, Esmeralda, and northern Inyo counties through tonight as a weak circulation progresses northeastward into central Nevada. The best chance for a couple severe, discrete cells through tonight will be across Esmeralda County with 30-35 knots of deep layer shear still present. Drying pattern continues on Friday with isolated activity confined to eastern Mohave and northern Lincoln counties. Temps continue to warm on Friday under prevailing ridge and south to southwesterly flow. Saturday will be the transition day, ending the drier stretch as a weak propagating wave treks westward into central Arizona. Noticable effects in our area will be increased coverage of showers and storms across Lincoln and Mohave counties as moisture and instability slowly creep up from the south and east. PWATs will still be between 1.00-1.25 inches across Mohave County and the Colorado River valley with meager instability so severe potential appears to be low with Saturday's activity. Confidence in temperatures for Saturday is rather low for northwest Arizona and Clark County as the edge of a high cloud shield will set up in this general area and temps right along the the edge where there will be more breaks in cloud cover will affect temperatures a few degrees in either direction. .LONG TERM...Sunday through Thursday. Minor changes and a bit less confidence with the progression of an inverted trough and the amount of moisture it will be able to bring back into the area. Latest models are keeping the inverted trough further south. All in all expect some modest increase in moisture on Sunday, particularly across eastern San Bernardino and southern Mohave Counties. The inverted trough pushes off the southern California coast on Monday afternoon and in its wake a deformation zone sets up over western Arizona, which will enhance convective activity on Monday and possibly Tuesday over eastern San Bernardino and much of Mohave Counties. An area of high pressure will continue to build over northern Nevada on Wednesday and Thursday. The forecast challenge will be how much moisture will be trapped under the ridge and will warming aloft cap thunderstorm activity. At this point have kept slight chance of thunderstorms across the bulk of the area on Wednesday and Thursday. Temperatures throughout the period will be at or just below their seasonal norms && .FIRE WEATHER... Storms will be possible across Esmeralda and Lincoln counties into late tonight, diminishing by early Friday morning. Drying pattern continues through tomorrow with isolated showers and storms limited to eastern Mohave and northern Lincoln counties. Critical RH values will be present Friday and Saturday across the western Mojave Desert, Inyo, Esmeralda, and Nye counties but no significant wind speeds are expected during the afternoon hours. Moisture levels begin to increase going into Sunday with increasing chances for showers and storms early next week across much of the area. && .HYDROLOGY... Creeks, streams and rivers in northern Inyo County have shown decreasing flows over the last couple of days. However, some road closures continue in the area. Bishop Creek Bypass and Big Pine Creek Bypass continue to be utilized to minimize flows through Bishop and Big Pine. Remember, never drive through flooded roadways or around barricades. Also, pastureland or farmland adjacent to creeks, streams or rivers could experience areas of standing water. && .AVIATION...For McCarran...Southeasterly flow this afternoon will become light and variable tonight before diurnal shift to the southwest comes late tonight. Similar wind pattern expected on Friday veering from easterly to southeasterly late morning to afternoon. Winds should remain around 8 knots or less with the exception being brief gusty winds associated with an outflow boundary from higher elevation storms. Chances of this occurring this afternoon are low. For the rest of southern Nevada, northwest Arizona and southeast California...Mostly diurnal wind pattern is expected at the terminals through tomorrow. Increasing southwesterly flow is expected across the western Mojave Desert with sustained winds of 15-20 knots late tonight into early Friday. Showers and storms will remain isolated across the southern Great Basin and northwest Arizona this afternoon with continued activity possible into the overnight hours across Esmeralda and Lincoln counties. Friday should be slightly drier than today with showers and storms confined to northern Lincoln and eastern Mohave counties. && .SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report any significant weather or impacts according to standard operating procedures. && SHORT TERM/AVIATION/FIRE WEATHER...Guillet LONG TERM....Czyzyk For more forecast information...see us on our webpage: http://weather.gov/lasvegas or follow us on Facebook and Twitter
The national radar mosaic for the moment the first event began.
1 heat. Local standard time, as filed.
Five people 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 | 2017-07-29 | 35 | Male | Outside/Open Areas | Direct |
| Heat, Las Vegas Valley | 2017-07-30 | 55 | Male | Outside/Open Areas | Direct |
| Heat, Las Vegas Valley | 2017-07-31 | 55 | Male | Outside/Open Areas | Direct |
| Heat, Las Vegas Valley | 2017-07-29 | 68 | Male | Permanent Home | Indirect |
| Heat, Las Vegas Valley | 2017-07-28 | 59 | Male | Permanent Structure | Direct |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nevada in 2017Every state in 2017This day in weather historyWarnings in Nevada, July 2017
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: 713491.