Heavy Rain in California, July 2, 2001

Name: Heavy Rain in California, July 2, 2001
Start: 2001-07-02T19:30
End: 2001-07-02T19:30
Location: California

July 2, 2001 · NWS REV · 1 event in 1 county or zone

The Hanford National Weather Service Office relayed a report of heavy rain that produced a mud and rock slide that closed Highway 120 below Tioga Pass. Some hail was observed near 11,000 feet.

Where it happened

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
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The toll

Deaths: 0
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 REV wrote it up.

The Hanford National Weather Service Office relayed a report of heavy rain that produced a mud and rock slide that closed Highway 120 below Tioga Pass. Some hail was observed near 11,000 feet.

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 Jul 2, 1:45 PM PST, 5 hours 45 minutes earlier.

Area forecast discussion, Jul 2, 1:45 PM PST, 5 hours 45 minutes before

WESTERN NEVADA AND EASTERN CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
245 PM PDT MON JUL 2 2001

THUNDERSTORMS HAVE FORMED IN MONO COUNTY THIS AFTERNOON AND WILL
LIKELY SPREAD NORTH TO NEAR LAKE TAHOE AND CARSON CITY AND SPREAD
EAST AS THE AFTERNOON GOES ON.  PROGS AGREE ON INCREASING MOISTURE
IN NW NV AND NE CA TUE AND WED BUT DIFFER ON THE DETAILS OF THE
FLOW.  ETA HAS A RELATIVELY QUIET DAY FOR TUESDAY THEN GETS THINGS
GOING ON WEDNESDAY WHILE THE AVN HAS A FAIRLY QUIET DAY WEDNESDAY...
HITS TUESDAY HARDER AND THEN PICK THINGS UP AGAIN ON THURSDAY.  DONT
SEE AN OBVIOUS WINNER HERE. THE AVN HAS BEEN CONSISTENTLY SHOWING
SOME DYNAMIC SUPPORT FOR THUNDERSTORMS TUESDAY AS A VORT MAX COMES
UP FROM THE SOUTH.  WILL TREND THE FORECASTS IN THIS DIRECTION
TUESDAY AND BROAD BRUSH A CHANCE OF THUNDERSTORMS FOR MOST OF OUR
ZONES ON WEDNESDAY.

THE LONGER TERM TREND IS FOR THE RIDGE TO RETREAT AND SW FLOWG TO
INCREASE HERE BRINGING A DRYING AND COOLING TREND.  THIS WILL BE A
SLOW TREND THOUGH AND THE MAIN HOPE OF SIGNIFICANT COOLING BEFORE
THE WEEKEND WILL COME FROM AFTERNOON CLOUDS AND SHOWERS.  COREY

.REV...NONE

The radar

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

Open the radar archive at this moment

Event by event

1 heavy rain. Local standard time, as filed.

Heavy Rain, Mono

When: July 2, 7:30 PM PST
Where: Mono forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 37.939, -118.887 (the zone’s center; the record gives no point)

What these are

Heavy Rain: Rainfall totals unusual for the place and season that did not produce a flood.

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, July 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: 5261883.