Concentrations of low level moisture trapped under surface inversions resulted in areas of dense fog.
Every event with a place to put it; 3 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.
Concentrations of low level moisture trapped under surface inversions resulted in areas of dense fog.
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 Jan 31, 12:42 AM MST, 18 minutes earlier.
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</html>HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 653 AM MST FRI JAN 30 2015 COZ017>019-UTZ028-311400- UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE- NORTHWEST SAN JUAN MOUNTAINS-SOUTHWEST SAN JUAN MOUNTAINS- LA SAL AND ABAJO MOUNTAINS- 653 AM MST FRI JAN 30 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST COLORADO AND SOUTHEAST UTAH. .DAY ONE...TODAY AND TONIGHT MODERATE TO HEAVY SNOW WILL CONTINUE OVER THE SOUTHERN MOUNTAINS TODAY AND TONIGHT. ACCUMULATIONS RANGING FROM 6 TO 10 INCHES ARE EXPECTED WITH LOCAL ACCUMULATIONS UP TO ONE FOOT FOR FAVORED SOUTHWEST FACING SLOPES. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SNOW CONTINUES SATURDAY BEFORE DIMINISHING SATURDAY NIGHT. SUNDAY THROUGH WEDNESDAY...NO SIGNIFICANT WEATHER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT...HOWEVER SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS TO THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION. COZ001>014-020>023-UTZ022>025-027-029-311400- LOWER YAMPA RIVER BASIN-CENTRAL YAMPA RIVER BASIN- ROAN AND TAVAPUTS PLATEAUS-ELKHEAD AND PARK MOUNTAINS- UPPER YAMPA RIVER BASIN-GRAND VALLEY-DEBEQUE TO SILT CORRIDOR- CENTRAL COLORADO RIVER BASIN-GRAND AND BATTLEMENT MESAS- GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS- CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN- WEST ELK AND SAWATCH MOUNTAINS-FLATTOPS- UPPER GUNNISON RIVER VALLEY-PARADOX VALLEY/LOWER DOLORES RIVER- FOUR CORNERS/UPPER DOLORES RIVER-ANIMAS RIVER BASIN- SAN JUAN RIVER BASIN-SOUTHEAST UTAH-EASTERN UINTA MOUNTAINS- EASTERN UINTA BASIN-TAVAPUTS PLATEAU-ARCHES/GRAND FLAT- CANYONLANDS/NATURAL BRIDGES- 653 AM MST FRI JAN 30 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT SNOW WILL FALL OVER THE MOUNTAINS TODAY AND TONIGHT WITH ACCUMULATIONS RANGING FROM 3 TO 5 INCHES BY EARLY SATURDAY NIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY MOUNTAIN SNOW CONTINUES SATURDAY WITH LIGHT ACCUMULATIONS. MONDAY THROUGH WEDNESDAY...THERE WILL BE A CHANCE OF SNOW OVER THE PARK RANGE IN NORTHWEST COLORADO EACH DAY. ONLY LIGHT SNOW IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT...HOWEVER SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS TO THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
745 PM MST FRI JAN 30 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0600 PM HEAVY RAIN ROOSEVELT 40.29N 109.96W
01/30/2015 M0.50 INCH UINTAH UT CO-OP OBSERVER
&&
EVENT NUMBER GJT1500137
TGJT<!doctype html>
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</html>The national radar mosaic for the moment the first event began.
3 dense fog. Local standard time, as filed.
Areas of dense fog developed mainly in the Eagle and Gypsum areas, with visibility down to one quarter of a mile.
Areas of dense fog developed mainly in the Delta area, with visibility down to one quarter of a mile.
Areas of dense fog developed mainly in the Hayden area, with visibility down to one quarter of a mile.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2015Every state in 2015This day in weather historyWarnings in Colorado, January 2015
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: 604811, 604812, 604810.