A strong spring cold front brought locally heavy snow to the Sierra.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
The episode as NWS REV wrote it up.
A strong spring cold front brought locally heavy snow to the Sierra.
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 Apr 1, 3:00 PM PST, 3 hours earlier.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>CAZ070>073-NVZ001>005-021300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RENO NV 500 AM PST TUE APR 1 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NEVADA...THE EASTERN SIERRA AND NORTHEASTERN CALIFORNIA. .DAY ONE...TODAY GUSTY SOUTHWEST WINDS AHEAD OF AN APPROACHING COLD FRONT WILL AFFECT WESTERN NEVADA TODAY. REFER TO LATEST WIND ADVISORY STATEMENT (RNONPWREV WWUS75 KREV) FOR ADDITIONAL INFORMATION. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY UNSEASONABLY COLD AIR WILL REACH WESTERN NEVADA AND EASTERN CALIFORNIA BY WEDNESDAY MORNING...LOWERING SNOW LEVELS TO THE VALLEY FLOORS. A LOW PRESSURE SYSTEM WILL MOVE OVER THE AREA ON WEDNESDAY AND PRODUCE 3 TO 6 INCHES OF SNOW IN THE SIERRA...WITH AN 1 INCH POSSIBLE IN THE LOWER VALLEYS ALONG THE EAST SLOPES OF THE SIERRA. ANOTHER LOW PRESSURE SYSTEM WILL REACH THE SIERRA LATE THURSDAY NIGHT AND MOVE INTO WESTERN NEVADA ON FRIDAY...WITH POTENTIAL FOR ADDITIONAL SNOW ACCUMULATIONS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS AND EMERGENCY MANAGERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. BRONG
The national radar mosaic for the moment the first event began.
2 heavy snow. Local standard time, as filed.
A foot of new snow reported at Mammoth Mountain Ski Area.
From 12-15 inches of new snow reported at Echo Summit on U.S. Highway 50 by CALTRANS.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2003Every state in 2003This day in weather historyWarnings in California, April 2003
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 2026-10-01. Each event’s entry at NCEI: 5353345, 5353346.