California, 2023

Avalanche in California, June 14, 2023

June 14, 2023 · NWS VEF · 1 event in 1 county or zone

An avalanche in Inyo County killed one skier.

Where it happened

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The toll

Deaths
1
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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.

What happened

The episode as NWS VEF wrote it up.

An avalanche in Inyo County killed one skier.

What forecasters said that day

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 Jun 14, 9:05 AM PST, 55 minutes earlier.

Area forecast discussion, Jun 14, 9:05 AM PST, 55 minutes before
Area Forecast Discussion
National Weather Service Las Vegas NV
1005 AM PDT Wed Jun 14 2023

.SYNOPSIS...Another round of thunderstorms is possible this
afternoon into the early evening over the higher terrain in the
Sierra and southern Great Basin. More widespread thunderstorm
potential exists on midweek reaching as far south as Mount
Charleston on Thursday. Temperatures increase over the weekend,
reaching near seasonal highs for mid-June.

&&

.UPDATE...Surface observation sites report mostly light winds
across the region this morning. At 10 am, satellite imagery had a
fairly expansive band of mid-level clouds extending from the
southern Sierra & the northern parts of Death Valley and east
across much of Nye and Lincoln counties. Further south, some
cumulus buildups were noted over the mountains of Clark and
northern Mohave County. Light radar returns indicated some areas
under the cloud cover are seeing either light shower activity or
sprinkles. For today, expect mostly cloudy skies along with
scattered thunderstorms across our northern areas with mainly dry
conditions, outside of an isolated thunderstorm, across our
southern deserts.

In Las Vegas, we expect mainly dry conditions today with a few
thunderstorms over the Spring Mountains and Sheep Range. However,
the far west and northwest fringes of the valley could see an
isolated thunderstorm or two develop late in the afternoon with
dangerous lightning, gusty winds and brief heavy rain possible.
Otherwise, skies are expected to be mostly sunny to partly cloudy
with temperatures a few degrees warmer than yesterday. Even with
slightly warmer temperatures today, highs will be several degrees
below the 30-year normal of 99 degrees.

&&

.PREV DISCUSSION...143 AM PDT Wed Jun 14 2023...

.SHORT TERM...Wednesday through Friday.

A weak upper level trough extending from the Pacific Ocean through
southern California and Nevada will gradually move southeastward
over the coming days. Deeper moisture will remain generally situated
across central Nevada into south central California where PWs are
about 200-250% of normal. This moisture combined with limited
instability will help kick off afternoon thunderstorms across mainly
Lincoln, central Nye, Esmeralda, and Inyo Counties. The HRRR is also
indicating at least a slight chance over the Spring Mountains and
Sheep Range, but overall most of the activity today should remain to
the north. Gusty winds and brief heavy rain will be the main threats
with any storms.

This trough will shift a little south on Thursday which will allow
for the thunderstorm chances to also shift a little further south
with slightly better chances extending into Clark County and
northern Mohave Counties, especially for the Spring Mountains and
Sheep Range. PWs for this time of year will remain quite high and
will be about 200% of normal across southern Nevada. Once again,
brief heavy rain and gusty outflow winds will be the primary
threats. This trough will gradually weaken Friday and moisture will
gradually scour out. There will still be a slight chance of
thunderstorms across central Nevada, but overall coverage will be
less as instability weakens.

Temperatures will change little over the next couple of days with
readings generally about 2-4 degrees below normal.

&&

.AVIATION...For Harry Reid...Mainly clear skies early this morning,
but clouds will increase and become SCT around 10k feet late morning
and afternoon. Thunderstorms are expected to remain north of Clark
County, but can't be completely ruled out over the Spring Mountains
and Sheep Range, however, confidence is low. Light and variable
winds this morning increasing out of the south to southwest 15-20
kts in the afternoon.

For the rest of southern Nevada, northwest Arizona and southeast
California...Most TAF sites will see FEW-SCT clouds around 10k feet,
but there will be a slight chance of afternoon thunderstorms for
KBIH after 18z today, about a 10-20% chance. Higher chances will
occur across portions of central Nevada this afternoon, mainly
across Lincoln, central Nye, and Esmeralda Counties. Winds will
generally remain 10 kts or less this morning except for western San
Bernardino County where west winds gusting to 25 kts will occur.
This afternoon, south to southwest winds 10-20 kts will be fairly
widespread.

&&

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

&&

UPDATE...Salmen

SHORT TERM/AVIATION...Gorelow
LONG TERM...Varian

For more forecast information...see us on our webpage:
https://weather.gov/lasvegas or follow us on Facebook and Twitter

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 avalanche. Local standard time, as filed.

Avalanche, Eastern Sierra Slopes of Inyo County

When
June 14, 10:00 AM PST
Where
Eastern Sierra Slopes of Inyo County forecast zone
Deaths
1 direct, 0 indirect
Reported by
Local Official
Coordinates
36.511, -117.411 (the zone’s center; the record gives no point)

Per the Eastern Sierra Avalanche Center, an avalanche on the north face of Mount Hurd approximately 1.5 miles south of South Lake killed one skier. The event time is an estimate.

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Avalanche, Eastern Sierra Slopes of Inyo County2023-06-14MaleOutside/Open AreasDirect

What these are

Avalanche
A mass of snow sliding down a mountainside that caused a death, an injury or damage.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in California in 2023Every state in 2023This day in weather historyWarnings in California, June 2023

Sources

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: 1099784.