Nevada, 2002Avalanche in Nevada, December 15, 2002
December 15, 2002 · NWS REV · 1 event in 1 county or zone
1 avalanche, as filed by the National Weather Service.
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.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
Open the live radar over this ground
- Deaths
- 1
- Injuries
- 1
- 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 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 Reno, NV wrote its last area forecast discussion before the first event at Dec 15, 3:00 PM PST, 0 minutes earlier.
Area forecast discussion, Dec 15, 3:00 PM PST, 0 minutes before
WESTERN NEVADA AND EASTERN CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
300 PM PST SUN DEC 15 2002
MODEL TRENDS FOLLOW SATELLITE IMAGES INDICATING A STRONG JETSTREAM
NEAR 40N DIVING A PACIFIC COLD FRONT TO NEAR THE OREGON COAST THIS
AFTERNOON. THE SYSTEM HAS A STRONG PRESSURE GRADIENT ACROSS THE
FRONTAL BAND AND THE MODELS SHOW UP TO 75 KNOT 700 MB WINDS AHEAD OF
THE FRONT OVER NRN CA TONIGHT THEN SHIFTING ACROSS THE NRN SIERRA TO
WRN NV MONDAY. THE 700 WINDS TURN WSW AND DECREASE WITH THE FRONTAL
PASSAGE MONDAY BUT STRONG WINDS WILL LIKELY ACCOMPANY THE FRONT AS
IT CONTINUES SOUTH THROUGH MINERAL AND MONO COUNTY INTO MONDAY
EVENING. STRONG DYNAMICS SUPPORT HEAVY PRECIPITATION DEVELOPING
OVER NRN CA TONIGHT AND SHIFTING SOUTH OVER THE SIERRA MONDAY. SNOW
LEVELS RISE SLIGHTLY NEAR 6000-6500 FEET JUST AHEAD OF THE FRONT
THEN LOWER RAPIDLY THROUGH THE DAY AND NEAR VALLEY FLOORS LATE IN
THE DAY. BANDS OF LIGHTER PRECIPITATION ARE EXPECTED TO SPREAD
ACROSS WRN NV MONDAY. PRECIPITATION BECOMES MORE OROGRAPHIC OVER
THE SIERRA MONDAY NIGHT WITH AMOUNTS DECREASING FROM THE NORTH
OVERNIGHT. CYCLONIC FLOW AND A COLD AIRMASS NORTH OF THE JET BRING
SNOW OR SHOWERS OVER THE SIERRA AND A CHANCE OF SNOW SHOWERS TO WRN
NV VALLEYS TUESDAY. A FEW SHOWERS LINGER TUESDAY NIGHT INTO EARLY
WEDNESDAY AS THE UPPER TROUGH SHIFTS EAST. PARTIAL CLEARING FOLLOWS
BY WEDNESDAY AFTERNOON AS AN UPPER RIDGE BUILDS NEAR THE WEST COAST.
OSTERMAN.
IN THE EXTENDED...THURSDAY THROUGH SUNDAY...MODELS IN GENERAL
AGREEMENT BUILDING A RIDGE OF HIGH PRESSURE INTO THE GULF OF ALASKA
WHILE A TROF MOVES INTO THE GREAT BASIN. RIDGE OVER THE AREA WILL
MOVE EAST THURSDAY AS AN UPPER LOW APPROACHES FROM THE GULF OF
ALASKA. WARM FRONTAL ENERGY FROM THIS MOVES INTO THE SIERRA
THURSDAY WITH A CHANCE OF SNOW SHOWERS...PERHAPS A SLIGHT CHANCE OF
SNOW SHOWERS IN THE IMMEDIATE WESTERN NEVADA VALLEYS AS WELL.
UNFORTUNATELY WE CAN EXPECT MORE STRONG WINDS AS THIS DEVELOPS WITH
H7 WINDS OF 60-65 KTS.
FRIDAY THE FRONT MOVES SOUTH AND EAST AND OVER THE WEEKEND COLD
UPPER LOW SETTLES ACROSS THE REGION. THIS SUPPORTS A CHANCE OF
SNOW OR SNOW SHOWERS EACH DAY WITH BELOW NORMAL TEMPERATURES. THERE
MAY BE SOME DRYING ACROSS SOUTHERN AREAS SUNDAY AS THE TROF SLOWLY
MOVES EAST. SG
.REV...HIGH WIND WARNING TONIGHT AND MONDAY ZONES 70..71
HIGH WIND WARNING AFTER MIDNIGHT THROUGH MONDAY ZONES
72/02..03..05
HIGH WIND WARNING MONDAY ZONES 73..01..04
WINTER STORM WARNING TONIGHT AND MONDAY ZONE 71
WINTER STORM WARNING AFTER MIDNIGHT THROUGH MONDAY ZONE 72/02
WINTER STORM WARNING MONDAY AND MONDAY NIGHT ZONE 73Hazardous weather outlook, Dec 15, 7:00 AM PST, 8 hours before
CAZ070>073-NVZ001>005-161500-
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RENO NV
700 AM PST SUN DEC 15 2002
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NEVADA...THE EASTERN
SIERRA AND NORTHEAST CALIFORNIA.
.DAY ONE..MONDAY
WINTER STORM WILL LEAVE LIGHT SNOW OVER MOST AREAS THIS MORNING. BY
THIS AFTERNOON SNOW WILL TURN TO SNOW SHOWERS. SEE RNOWSWREV FOR
DETAILS.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.SPOTTER INFORMATION STATEMENT...
NO SPOTTER ACTIVATION IS LIKELY AT THIS TIME.
Avalanche, Greater Lake Tahoe Area
- When
- December 15, 3:00 PM PST
- Where
- Greater Lake Tahoe Area forecast zone
- Deaths
- 1 direct, 0 indirect
- Injuries
- 1 direct, 0 indirect
- Reported by
- NEWSPAPER
- Coordinates
- 39.789, -119.640 (the zone’s center; the record gives no point)
A group of skiers traveling out of bounds from a ski area triggered an avalanche. One skier was trapped and killed.
- 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.
- High Wind in Oregon, December 15 to 16, 20022 deaths · 61 kt wind · 1 event
- Rip Currents in California, December 15 to 16, 200217 injured · $100,000 · 2 events
- High Wind in Washington, December 15 to 16, 2002$150,000 · 60 kt wind · 1 event
- Heavy Snow in Nevada, December 15 to 16, 20024 events
- Heavy Snow in Idaho, December 15 to 16, 20023 events
- High Wind in California, December 15 to 16, 200284 kt wind · 3 events
- Heavy Snow in California, December 15 to 16, 20023 events
- High Wind in Alaska, December 15, 2002$1,000 · 57 kt wind · 2 events
- High Wind in Utah, December 15, 200276 kt wind · 2 events
- High Wind in Oregon, December 15 to 16, 200257 kt wind · 2 events
- High Wind in California, December 15, 200264 kt wind · 2 events
- Flood in Texas, December 15 to 16, 20021 event
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: 5325386.