Winter Storm in California, April 7, 2001

Name: Winter Storm in California, April 7, 2001
Start: 2001-04-07T03:00
End: 2001-04-07T19:00
Location: California

April 7, 2001 · NWS LOX · 2 events in 2 counties and zones

Winter storm conditions developed across the mountains of Ventura and Los Angeles counties. Above 4000 feet, snowfall totals ranged between 4 to 14 inches.

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 2

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 LOX wrote it up.

Winter storm conditions developed across the mountains of Ventura and Los Angeles counties. Above 4000 feet, snowfall totals ranged between 4 to 14 inches. In addition, gusty southerly winds of 40 to 50 MPH combined with the snow to reduce visibilities to near zero at times.

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 Los Angeles, CA wrote its last area forecast discussion before the first event at Apr 7, 2:00 AM PST, 1 hour earlier.

Area forecast discussion, Apr 7, 2:00 AM PST, 1 hour before

SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION...UPDATE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
300 AM PDT SAT APR 7 2001

OVERALL...NICELY BEHAVED FRONT ROLLING ACROSS THE AREA. RADAR/SURFACE
OBS SHOW FRONT NOW MOVING ACROSS THE CENTRAL COAST. FRONT SHOULD
CONTINUE ITS EASTWARD PROGRESSION THROUGH THE DAY...WITH STEADY RAIN
ACROSS LAX COUNTY LATER THIS MORNING. BEHIND THE FRONT...SCATTERED
SHOWERS SHOULD CONTINUE THROUGH THE DAY. PRECIP AMOUNTS SHOULD BE
RATHER IMPRESSIVE FOR THIS TIME OF YEAR...WITH 0.25-0.75 FOR COASTAL
AREAS...AND 0.50-1.50 INCHES IN THE MOUNTAINS. CURRENTLY...SNOW LEVELS
ARE AROUND 4000 FEET...BUT MAY DROP LOCALLY DOWN TO 3500 FEET. GIVEN
EXPECTED PRECIP TOTALS...SNOW LEVELS AND GUSTY SOUTHERLY WINDS...WILL
UPGRADE TO WINTER STORM WARNING FOR VTU/LAX MOUNTAINS...AND ISSUE
WINTER WX ADVISORY FOR SBA MOUNTAINS. AT 255 AM...MT BALDY REPORTED
3 INCHES NEW SNOW WITH HEAVY SNOW CURRENTLY.

TONIGHT...EXPECT THINGS TO BEGIN TO DRY OUT AS NORTHWESTERLY FLOW
DEVELOPS OVER THE AREA. WILL KEEP MENTION OF SLIGHT CHANCE POPS THIS
EVENING FOR COASTS/VALLEYS...WITH SLIGHT CHANCE/CHANCE POPS FOR THE
MOUNTAINS OVERNIGHT.

FOR SUNDAY...SHOULD BE ENOUGH LOW LEVEL MOISTURE AROUND TO PRODUCE
SOME LATE MORNING/AFTERNOON CLOUDS...ESPECIALLY OVER THE MOUNTAINS.
WILL INDICATE PARTLY/MOSTLY CLOUDY SKIES...WITH CHANCE POPS FOR THE
VTU/LAX MOUNTAINS. OTHERWISE...SUNDAY SHOULD BE BREEZY AND COOL SORT
OF DAY.

FOR EXTENDED...NEXT LOW DROPS ACROSS THE AREA ON MONDAY. CURRENT POPS
FOR MONDAY LOOK JUST FINE. ON TUESDAY/WEDNESDAY...MODELS INDICATE THAT
GENERAL TROUGHINESS LINGERS AROUND THE AREA. THEREFORE...WILL COMBINE
TUE/WED...MENTIONING PARTLY CLOUDY SKIES AND A SIGHT WARMUP. FOR THE
DAY 6/7 PERIOD...DRY AND WARMER CONDITIONS SHOULD PREVAIL.

LAX +20. THOMPSON.

.LAX...WINTER STORM WARNING/WINTER WEATHER ADVISORY (SEE LAXWSWLAX).
       SMALL CRAFT ADVISORY (SEE LcAXCWFLAX).

Event by event

2 winter storm. Local standard time, as filed.

Winter Storm, N Ventura

When: April 7, 3:00 AM PST to 7:00 PM PST
Where: N Ventura forecast zone
Reported by: GENERAL PUBLIC

Winter Storm, N Los Angeles T X N

When: April 7, 3:00 AM PST to 7:00 PM PST
Where: N Los Angeles T X N forecast zone
Reported by: GENERAL PUBLIC

What these are

Winter Storm: A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

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

The same day elsewhere

Every storm in California in 2001 Every state in 2001 This day in weather history Warnings in California, April 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: 5237276, 5237277.