Washington, 2001

Avalanche in Washington, January 29, 2001

January 29, 2001 · NWS OTX · 1 event in 1 county or zone

An avalanche killed a 33-year old male who was snowshoeing about six miles northwest of Lake Wenatchee. His companion dug herself out and escaped serious injury.

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 OTX wrote it up.

An avalanche killed a 33-year old male who was snowshoeing about six miles northwest of Lake Wenatchee. His companion dug herself out and escaped serious injury.

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 Spokane, WA wrote its last area forecast discussion before the first event at Jan 29, 2:30 PM PST, 1 hour earlier.

Area forecast discussion, Jan 29, 2:30 PM PST, 1 hour before
EASTERN WASHINGTON AND NORTH IDAHO AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WASHINGTON
230 PM PST MON JAN 29 2001

THE KOTX WSR-88D SHOWS SHOWER ACTIVITY OVER THE PANHANDLE MTNS
SUBSIDING. STEEP LOW-MID LEVEL LAPSE RATES WILL CONTINUE THROUGH THIS
EVENING...BUT DRIER AIR ADVECTING IN SHOULD CONTINUE THE DOWNWARD
TREND. WITH LOW-MID LEVEL WINDS VEERING AROUND TO THE NORTHWEST...THE
HIGHEST CONCENTRATION OF REMAINING SHOWERS WILL BE IN THE SRN ID
PANHANDLE.

BY LATE TONIGHT...A FLAT DIRTY RIDGE WILL BUILD OVER THE ERN PACIFIC
FOR THE NEXT TWO DAYS. A SHORTWAVE CURRENTLY NEARING THE QUEEN
CHARLOTTE ISLANDS WILL SLIDE DOWN THE BACK SIDE OF THE RIDGE OVER
B.C...BUT ITS MID-UPPER LEVEL FORCING WILL REMAIN WELL TO OUR NORTH.
HOWEVER...THIS FEATURE WILL DRAG A NORTH-SOUTH WARM FRONT ACROSS THE
FORECAST AREA ON TUE AFTN AND TUE NGT. THE ASSOCIATED WARM ADVECTION
AND ISENTROPIC LIFT WILL CAUSE SNOW TO DEVELOP ON TUE AFTN. PRECIP
CHANCES WILL BE HIGHEST ALONG THE CANADIAN BORDER AND LOWEST OVER THE
SRN TIER OF ZONES. THE NRN PANHANDLE COULD GET MARGINAL ADVISORY
AMOUNTS BY TUE NGT. PREVAILING LOW-MID LEVEL WESTERLY WINDS WILL
PARTIALLY COUNTERACT THE ISENTROPIC LIFT IN DOWNSLOPE REGIONS OVER
THE WESTERN BASIN AND ALONG THE LOWER CASCADE EAST SLOPES...KEEPING
PRECIP AMOUNTS AND POPS LOWER THERE. THE WARM FRONT IS GONE BY
WED...BUT MODERATE AMOUNTS OF MOISTURE...WEAK WARM ADVECTION AND
ACTIVE NORTHWEST FLOW WILL CONTINUE TO WARRANT LOW POPS WED.  HANER

EXTENDED...STILL APPEARS TO BE A SERIES OF WAVES WHICH WILL MOVE OVER
THE AREA FROM TIME TO TIME DURING THE EXTENDED PERIOD.  SINCE IT WILL
BE IMPOSSIBLE TO DIFFERENTIATE BETWEEN THE WET PERIODS AND THE DRY
ONES WILL JUST CALL FOR A CHANCE OF MOUNTAIN SNOW AND VALLEY RAIN
EACH DAY THROUGHOUT THE PERIOD. LH

...THE INFORMATION IN THIS PRODUCT CONCERNING WARNINGS AND FORECASTS
IS VALID ONLY AT THE TIME OF ISSUANCE. THE LATEST WARNING AND
FORECAST INFORMATION WILL BE FOUND IN THE APPROPRIATE PRODUCTS...

GEG 019/031/025/032 1343
CQV 019/031/024/034 1564
SPT 020/030/024/033 2564
COE 020/030/024/033 2343
WWP 017/027/023/031 4454
LWS 027/036/028/038 2132t
PUW 021/033/025/034 2343
EAT 026/036/027/032 --22
MWH 025/037/027/034 0-22

.GEG...NONE.

Event by event

1 avalanche. Local standard time, as filed.

Avalanche, W Okanogan/C&w Chelan

When
January 29, 3:30 PM PST
Where
W Okanogan/C&w Chelan forecast zone
Deaths
1 direct, 0 indirect
Reported by
NEWSPAPER

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, W Okanogan/C&w Chelan2001-01-2933MaleOutside/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 Washington in 2001Every state in 2001This day in weather historyWarnings in Washington, January 2001

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: 5228163.