140
FXUS65 KVEF 240843
AFDVEF

Area Forecast Discussion
National Weather Service Las Vegas NV
143 AM PDT Tue Sep 24 2024

.SYNOPSIS...Temperatures will continue to increase each day
through the end of the week as an upper-level ridge sets up over
the region. This ridge will allow for the persistence of dry
conditions into next week.

&&

.SHORT TERM...through Thursday.

Temperatures will continue to warm each day as an upper-level ridge
sets up over the region. A shortwave trough will move through the
Great Basin on Wednesday, bringing a slight uptick in southerly
winds across the area. These winds will be sub-advisory and of
minimal impact. Warming will continue on Thursday as we head into
the second half of the week as the ridge remains positioned over the
Desert Southwest.

.LONG TERM...Friday through Monday.

Unseasonably warm temperatures continue through the weekend as high
pressure stays in place over the southwest United States. Afternoon
high temperatures will be 5 to 10 degrees above average for this time
of year. The probability of reaching 100 degrees in Las Vegas
increases from 63 percent on Friday to 75 percent on Saturday. On
Friday and Saturday, most desert valleys will be in the Moderate
(Level 2) HeatRisk with some Major (Level 3) to Extreme (Level 4)
in Death Valley and the Colorado River Valley. Temperatures should
begin to go down early next week as a trough moves east and
heights aloft start to fall.

&&

.AVIATION...For Harry Reid...Light winds with northeast or east
components during the afternoon and southwest components overnight
will continue into Wednesday. VFR conditions with no significant
clouds.

For the rest of southern Nevada, northwest Arizona and southeast
California...Diurnal winds generally 10kts or less are expected at
most regional TAF sites into Wednesday. Daytime around 15 knots will
occur at IFP. VFR conditions will prevail at all sites with no
significant cloud cover expected.

&&

.SPOTTER INFORMATION STATEMENT...Spotters are encouraged to report
any significant weather or impacts according to standard operating
procedures.

&&

$$

SHORT TERM...Stessman
LONG TERM...Meltzer
AVIATION...Gorelow

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