Alert archive / Colorado / Winter Storm Warnings in 2016

Winter Storm Warning 1, NWS Grand Junction, CO

January 5, 20164 counties in Colorado

NWS Grand Junction, CO issued this winter storm warning at Jan 5, 2016, 9:10 PM MST for 4 counties in Colorado. It took effect at Jan 6, 2016, 12:00 AM MST. It was in force for 33 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 5, 2016, 9:10 PM MST (04:10 UTC)
In effect from
Jan 6, 2016, 12:00 AM MST
Expired
Jan 7, 2016, 9:00 AM MST
In force
33 hr
Issued by
NWS Grand Junction, CO

Counties Dolores County, CO, La Plata County, CO, Montezuma County, CO, San Miguel County, CO

The radar

The Grand Junction radar (KGJX), 163 km from the middle of the area, began a volume at 04:15 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this winter storm warning went out, 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 this winter storm warning went out at Jan 5, 5:13 PM MST, 3 hours 57 minutes earlier.

Area forecast discussion, Jan 5, 5:13 PM MST, 3 hours 57 minutes before
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Hazardous weather outlook, Jan 5, 9:20 AM MST, 11 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
920 AM MST TUE JAN 5 2016

COZ001>014-017>023-UTZ022>025-027>029-061630-
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-FLAT TOPS-
UPPER GUNNISON RIVER VALLEY-UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-
NORTHWEST SAN JUAN MOUNTAINS-SOUTHWEST SAN JUAN MOUNTAINS-
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-
LA SAL AND ABAJO MOUNTAINS-CANYONLANDS/NATURAL BRIDGES-
920 AM MST TUE JAN 5 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN
COLORADO.

.DAY ONE...TODAY AND TONIGHT

SA FEW SNOW SHOWERS WILL CONTINUE OFF AND ON THROUGHOUT THE
DAY...BUT NO SIGNIFICANT ACCUMULATION IS EXPECTED. THE NEXT WAVE
WILL START MOVING INTO THE AREA OVERNIGHT OVER THE FOUR CORNERS
REGION.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

PRECIPITATION WILL OVERSPREAD THE FORECAST AREA WEDNESDAY WITH
SOUTHEAST UTAH...THE SAN JUAN MOUNTAINS...AND AREAS SOUTH FAVORED
AGAIN. BY WEDNESDAY EVENING...PRECIPITATION WILL START SHIFTING
TO THE NORTH. SNOW AND RAINFALL FROM THIS WAVE WILL END BY
THURSDAY MORNING UNTIL ANOTHER DISTURBANCE BRINGS ANOTHER CHANCE
OF SNOW LATE THURSDAY NIGHT THROUGH FRIDAY.

INSTABILITY SHOWERS WILL PERSIST INTO SATURDAY UNTIL
NORTHWESTERLY FLOW DROPS ANOTHER WAVE FROM THE NORTH TURNING
ATTENTION TO THE NORTHERN MOUNTAINS WHERE MORE SNOW IS POSSIBLE
FOR THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Local storm report, Jan 5, 7:32 PM MST, 1 hour 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
732 PM MST TUE JAN 05 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 AM     SNOW             SILVERTON               37.81N 107.66W
01/05/2016  M1.7 INCH        SAN JUAN           CO   TRAINED SPOTTER

            NEW SNOW TOTAL AS OF THIS MORNING.

&&

EVENT NUMBER GJT1600032

MMS

The office that day

Everything else NWS Grand Junction, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 6, 2:42 PM MSTWinter Storm WatchGJTArchuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan and 1 more23 hr

Nearby

Winter Storm Warnings in Colorado, 2016Every winter storm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.