A low pressure system moved across the Four Corners area and produced 3 to 4 inches of snow.
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The episode as NWS GJT wrote it up.
A low pressure system moved across the Four Corners area and produced 3 to 4 inches of snow.
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 29, 4:30 AM MST, 1 hour 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 430 AM MST TUE MAR 29 2005 .SHORT TERM (TODAY THROUGH WEDNESDAY NIGHT)...FIRST OF TWO STORMS IS WORKING THRU THE REGION TODAY WITH THE SECOND BRINGING VERY COLD AIR STARTING TONIGHT. DAMAGING FROST IS POSSIBLE IN ALL VALLEYS WEDNESDAY NIGHT. TODAY: TIGHT CYCLONIC ROTATION IS INTO SE UTAH THIS MORNING AND SPREADING ENHANCED BANDS OF PRECIP ACROSS THE CWA. THIS WILL WORK QUICKLY EAST THRU THE MORNING HOURS WITH FLOW VEERING TO NW FAVORING THE NORTH-FACING SLOPES WITH CONTINUED SNOWFALL. LAPSE RATES ARE STEEP ENOUGH THIS AFTERNOON FOR CONVECTIVE SHOWERS AND EVEN ISOLATED THUNDERSTORMS. SHOWERS WILL BE LOCALLY HEAVY IN THE MTNS BUT AREAL ACCUMULATIONS SHOULD REMAIN LIGHT. TONIGHT: WEAK RIDGING THIS EVENING. THE BREAK BETWEEN SYSTEMS IS SHORT LIVED WITH HIGHER POPS SPREADING INTO EASTERN UTAH BEFORE MIDNIGHT. IN STRONG COLD ADVECTION 700 TEMPS DROP TO -11C ACROSS THE NORTH WITH SNOW LEVELS TO VALLEY BOTTOMS. MTN ACCUMULATIONS STAY BELOW 4 INCHES. WEDNESDAY: JET SUPPORT STAYS SOUTH WITH GOOD VORTICITY ADVECTION IN THE SOUTHERN ZONES. THE NORTHERN ZONES RECEIVE THE COLDEST AIR THOUGH DROPPING TO -12C AT 700 THRU THE DAY. MTN SNOWFALL TO BE WIDESPREAD WITH THE BEST ACCUMULATIONS OF THIS STORMY PERIOD. ADVISORY CRITERIA IS POSSIBLE ALONG NORTH FACING SLOPES. WEDNESDAY NIGHT: COLD WITH 700 TEMPS -15C NORTH AND -12 SOUTH. SNOW SHOWERS WILL DIMINISH FROM WEST TO EAST. COLORADO MTN POPS AND SNOW AMOUNTS MAY NEED TO BE RAISED. SNOW RATIOS OF 14:1 OR DRIER ARE LIKELY. MIN TEMPS COULD FALL INTO THE LOWER 20S ACROSS THE VALLEYS THREATENING TENDER VEGETATION. RAMEY LONG TERM (THURSDAY THROUGH TUESDAY)... LITTLE CHANGE TO THE CURRENT FORECAST AS MODELS REMAIN CONSISTENT IN ADVERTISING FLAT RIDGING OVER THE ROCKIES THROUGH SATURDAY...WITH THE NEXT POTENTIAL WEATHER MAKER MOVING INTO THE AREA LATE SUNDAY AND MONDAY. THURSDAY...COLD START TO THE DAY WITH FREEZING TEMPS LIKELY IN MOST VALLEYS LOCALES SHOULD CLOUDS CLEAR IN TIME...WHICH LOOKS LIKELY. THE EXCEPTION WILL BE OVER THE NORTHERN AND CENTRAL MOUNTAINS WHERE NWLY FLOW WL KEEP A FEW OROGRAPHIC SHOWERS GOING. THURSDAY NIGHT-SUNDAY...DRY AND WARMER CONDITIONS WL OCCUR ACROSS THE FORECAST AREA WITH UPPER LEVEL RIDGING AND STRONG WAA IN PLACE. THE RIDGE STARTS TO FLATTEN OVER THE WEEKEND AS SHRTWV ENERGY MOVES THROUGH THE NORTHERN ROCKIES. SUNDAY NIGHT-TUESDAY...STRONGER SHRTWV TROUGH MOVES ONSHORE OVER THE PACIFIC NORTHWEST...SHIFTING OUR UPPER LEVEL TO A MORE SWLY COMPONENT SUNDAY NIGHT...WITH TROUGH PASSAGE EXPECTED DURING THE DAY ON MONDAY. ATTM...BEST MOISTURE WILL BE CONFINED TO THE NORTHERN ZONES...ALTHOUGH ENOUGH MOISTURE IS EXPECTED TO REACH THE SOUTHERN MOUNTAIN ZONES TO WARRANT AT LEAST SLIGHT CHANCE POPS FOR NOW. WL MAINTAIN CHC POPS OVER THE NORTHERN AND CENTRAL MOUNTAINS AS THIS WAVE MOVES ACROSS. CLEARING CONDITIONS EXPECTED MONDAY NIGHT...WITH DRY BUT COOLER CONDITIONS ANTICIPATED FOR TUESDAY BEHIND TO TROUGH. && .GJT WATCHES/WARNINGS/ADVISORIES... .CO...NONE. .UT...NONE. && JOE/JDC
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 500 AM MST TUE MAR 29 2005 COZ001>014-017>023-UTZ022>025-027>029-301200- 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- 500 AM MST TUE MAR 29 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT... MOUNTAIN SNOW AND VALLEY RAIN WILL CONTINUE TODAY. ISOLATED AFTERNOON THUNDERSTORMS WILL PRODUCE LOCALLY HEAVY SHOWERS. MOUNTAIN SNOW ACCUMULATIONS WILL GENERALLY BE LESS THAN 6 INCHES. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. OCCASIONAL SNOW SHOWERS WILL FALL ACROSS MUCH OF EASTERN UTAH AND WESTERN COLORADO WEDNESDAY AND WEDNESDAY NIGHT. MODERATE MOUNTAIN SNOWFALL ACCUMULATIONS CAN BE EXPECTED ABOVE 8000 FEET... WITH LITTLE TO NO SNOW ACCUMULATION EXPECTED BELOW 6000 FEET. DAMAGING FROST IS LIKELY FOR MOST VALLEYS WEDNESDAY NIGHT. AFTER WEDNESDAY NIGHT...THE NEXT CHANCE OF SNOW FOR EASTERN UTAH AND WESTERN COLORADO WILL MOVE INTO THE AREA LATE SUNDAY NIGHT AND MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT BUT YOU ARE ENCOURAGED TO REPORT ANY SIGNIFICANT PRECIPITATION TO THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION. JOE/JDC
The national radar mosaic for the moment the first event began.
1 winter weather. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2005Every state in 2005This day in weather historyWarnings in Colorado, March 2005
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: 5445380.