Alert archive / Colorado / Freeze Warnings in 2011

Freeze Warning 5, NWS Grand Junction, CO

April 30, 20118 counties in Colorado; Grand County, San Juan County, Utah

NWS Grand Junction, CO issued this freeze warning at Apr 30, 2011, 9:00 AM MDT for 8 counties in Colorado; Grand County, San Juan County, Utah. It took effect at May 1, 2011, 12:00 AM MDT. It was in force for 9 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
Apr 30, 2011, 9:00 AM MDT (15:00 UTC)
In effect from
May 1, 2011, 12:00 AM MDT
Expired
May 1, 2011, 9:00 AM MDT
In force
9 hr
Issued by
NWS Grand Junction, CO

Counties Delta County, CO, Dolores County, CO, Garfield County, CO, Gunnison County, CO, Mesa County, CO, Montezuma County, CO, Montrose County, CO, San Miguel County, CO, Grand County, UT, San Juan County, UT

The radar

The Grand Junction radar (KGJX), 74 km from the middle of the area, began a volume at 15:03 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 freeze 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 freeze warning went out at Apr 30, 8:18 AM MDT, 42 minutes earlier.

Area forecast discussion, Apr 30, 8:18 AM MDT, 42 minutes before
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Hazardous weather outlook, Apr 30, 6:00 AM MDT, 3 hours before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
600 AM MDT SAT APR 30 2011

COZ001>014-017>023-UTZ022>025-027>029-011200-
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 SAT APR 30 2011

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

.DAY ONE...TODAY AND TONIGHT...

OCCASIONAL SNOW SHOWERS WILL CONTINUE IN THE COLORADO MOUNTAINS...
BUT ONLY LIGHT ACCUMULATIONS ARE EXPECTED WITH NEW AMOUNTS IN THE 1
TO 3 INCH RANGE.

HARD FREEZE CONDITIONS ARE EXPECTED TONIGHT ACROSS THE LOWER
VALLEYS OF SOUTHEAST UTAH AND SOUTHWEST COLORADO.

DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY...

SUNDAY...SNOW WILL INCREASE OVER THE SAN JUAN AND ELK MOUNTAINS WITH
LIGHT ACCUMULATIONS OF 2 TO 5 INCHES.  HARD FREEZE CONDITIONS MAY
OCCUR ONCE AGAIN FOR THE LOWER VALLEYS.

MONDAY...SNOW SHOWERS OVER THE SOUTHERN MOUNTAINS WILL TAPERING OFF
AND ENDING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 9:00 AM MDTFreeze WatchGJTDelta, Dolores, Garfield, Gunnison, Mesa, Montezuma and 2 more30 hr
Apr 30, 2:13 PM MDTWinter Weather AdvisoryGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 8 more34 hr

Nearby

Freeze Warnings in Colorado, 2011Freeze Warnings in Utah, 2011Every freeze warning in 2011

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.