An area of low pressure tracked along the Utah-Colorado border. Snowfall from this storm favored the northern and central mountains of western Colorado.
Every event with a place to put it; 9 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 GJT wrote it up.
An area of low pressure tracked along the Utah-Colorado border. Snowfall from this storm favored the northern and central mountains of western Colorado.
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 Grand Junction, CO wrote its last area forecast discussion before the first event at Mar 22, 3:00 AM MST, 11 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>HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 600 AM MDT MON MAR 22 2010 COZ001>014-017>023-UTZ022>025-027>029-231200- ANIMAS RIVER BASIN-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES- CENTRAL COLORADO RIVER BASIN- CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN- CENTRAL YAMPA RIVER BASIN-DEBEQUE TO SILT CORRIDOR- EASTERN UINTA BASIN-EASTERN UINTA MOUNTAINS- ELKHEAD AND PARK MOUNTAINS-FLAT TOPS- FOUR CORNERS/UPPER DOLORES RIVER- GORE AND ELK MOUNTAINS/CENTRAL MOUNTAINS-GRAND AND BATTLEMENT MESAS- GRAND VALLEY-LA SAL AND ABAJO MOUNTAINS-LOWER YAMPA RIVER BASIN- NORTHWEST SAN JUAN MOUNTAINS-PARADOX VALLEY/LOWER DOLORES RIVER- ROAN AND TAVAPUTS PLATEAUS-SAN JUAN RIVER BASIN-SOUTHEAST UTAH- SOUTHWEST SAN JUAN MOUNTAINS-TAVAPUTS PLATEAU- UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-UPPER GUNNISON RIVER VALLEY- UPPER YAMPA RIVER BASIN-WEST ELK AND SAWATCH MOUNTAINS- 600 AM MDT MON MAR 22 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT COLD FRONT WILL MOVE THROUGH THE NORTHERN AREA THIS EVENING AND CAUSE 6 TO 10 INCHES OF NEW SNOW OVER NORTHERN MOUNTAINS WITH LOCALLY HIGHER AMOUNTS POSSIBLE. ISSUED WINTER WEATHER ADVISORY FOR THE PARK...ELKHEAD AND FLAT TOP MOUNTAINS. AS FRONT DROPS SOUTHWARD CAN EXPECT PRECIPITATION TO OVER SPREAD ENTIRE REGION WITH RAIN AT LOWER ELEVATIONS AND SNOW AT HIGHER ELEVATIONS. PLEASE CHECK WWW.WEATHER.GOV/GJT FOR THE LATEST FORECAST. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY OCCASIONAL SNOW...MOSTLY IN THE MOUNTAINS AND NORTHERN VALLEYS...WILL FALL. MODERATE AMOUNTS OF SNOW WILL BE POSSIBLE OVER THE MOUNTAIN AREAS...INCLUDING THE PASSES...WITH LIGHTER AMOUNTS EXPECTED FOR VALLEY LOCATIONS ABOVE 6000 FEET. THE NEXT WEATHER SYSTEM WILL BRING A CHANCE OF SNOW WITH MODERATE AMOUNTS OF SNOW TO THE NORTHERN MOUNTAINS ON FRIDAY NIGHT AND SATURDAY. .SPOTTER INFORMATION STATEMENT SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1002 AM MDT MON MAR 22 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0800 AM HEAVY SNOW OURAY 38.03N 107.67W
03/20/2010 M29.0 INCH OURAY CO CO-OP OBSERVER
STORM TOTAL... ENDING BY THE MORNING OF 3 20 10
&&
EVENT NUMBER GJT1000330
TGJTThe national radar mosaic for the moment the first event began.
9 winter weather. Local standard time, as filed.
Snowfall amounts ranged from 5 to 12 inches. Wind gusts to 30 mph generated areas of blowing snow.
Snowfall of 5 to 10 inches occurred with wind gusts up to 35 mph that produced some areas of blowing snow.
Snowfall amounts ranged from 3 to 5 inches with wind gusts to 35 mph that produced areas of blowing snow.
Snowfall amounts ranged from 3 to 5 inches across most of the area. Wind gusts to 30 mph generated areas of blowing snow.
Snowfall amounts generally ranged from 4 to 8 inches. Locally higher amounts fell in the Uncompahgre Gorge area, with 15 to 17 inches reported from Ouray southward to the avalanche monument. Wind gusts to 30 mph produced areas of blowing snow.
Snowfall of 5 to 9 inches occurred with wind gusts up to 35 mph that produced some areas of blowing snow.
Snowfall amounts ranged from 5 to 10 inches. Wind gusts to 25 mph produced areas of drifting snow.
Snowfall amounts ranged from 5 to 12 inches across most of the area. Locally higher amounts were reported, including 15 inches at Cottonwood Pass. Wind gusts up to 40 mph generated areas of blowing and drifting snow.
Snowfall amounts ranged from 3 to 5 inches across most of the area. Wind gusts to 25 mph produced areas of drifting snow.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2010Every state in 2010This day in weather historyWarnings in Colorado, March 2010
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: 219003, 219004, 219008, 219009, 219007, 219005, 219011, 219006, 219010.