Alert archive / Colorado / Red Flag Warnings in 2015

Red Flag Warning 7, NWS Grand Junction, CO

April 8, 201511 counties in Colorado

NWS Grand Junction, CO issued this red flag warning at Apr 8, 2015, 10:37 AM MDT for 11 counties in Colorado. It took effect at Apr 8, 2015, 11:00 AM MDT. It was in force for 8 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 8, 2015, 10:37 AM MDT (16:37 UTC)
In effect from
Apr 8, 2015, 11:00 AM MDT
Expired
Apr 8, 2015, 7:00 PM MDT
In force
8 hr
Issued by
NWS Grand Junction, CO

Counties Delta County, CO, Dolores County, CO, Eagle County, CO, Garfield County, CO, La Plata County, CO, Mesa County, CO, Montezuma County, CO, Montrose County, CO, Ouray County, CO, Pitkin County, CO, San Miguel County, CO

The radar

The Grand Junction radar (KGJX), 69 km from the middle of the area, began a volume at 16:37 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 red flag 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 red flag warning went out at Apr 8, 10:34 AM MDT, 3 minutes earlier.

Area forecast discussion, Apr 8, 10:34 AM MDT, 3 minutes before
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Hazardous weather outlook, Apr 8, 5:46 AM MDT, 4 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
546 AM MDT WED APR 8 2015

COZ001>014-017>023-UTZ022>025-027>029-091200-
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-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-
546 AM MDT WED APR 8 2015

...FREEZE WARNING IN EFFECT TONIGHT FOR THE LOWER VALLEYS OF WEST
CENTRAL COLORADO AND SOUTHEAST UTAH...

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

.DAY ONE...TODAY AND TONIGHT

A STRONG COLD FRONT WILL PUSH ACROSS THE AREA THIS AFTERNOON AND
EVENING. AHEAD OF THE FRONT...SOUTHWEST WINDS WILL CONTINUE TO
GUST TO OVER 30 MPH. BEHIND THE FRONT...EXPECT WINDS TO SHIFT TO
THE WEST AND NORTHWEST WITH MUCH COOLER TEMPERATURES MOVING IN.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL ALSO BE
DEVELOPING THIS AFTERNOON AFTER THE FRONT MOVES THROUGH...FAVORING
AREAS ALONG AND NORTH OF INTERSTATE 70. SNOW LEVELS LOWER TONIGHT
TO AROUND 6000 FEET...WITH ANY ACCUMULATING SNOW GENERALLY
CONFINED TO THE HIGHER MOUNTAINS ABOVE 8000 FEET WHERE 2 TO 4
INCHES OF SNOW WILL BE POSSIBLE BY EARLY THURSDAY.

FREEZING TEMPERATURES ARE ALSO EXPECTED ACROSS THE LOWER VALLEYS
OF SOUTHEAST UTAH AND WEST CENTRAL COLORADO TONIGHT AND EARLY
THURSDAY. TAKE ACTION NOW TO PROTECT SENSITIVE VEGETATION AS THIS
COLDER WEATHER MOVES IN. FOR ADDITIONAL INFORMATION PLEASE SEE OUR
WEB SITE AT WEATHER.GOV/GJT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SHOWERS LINGER OVER THE NORTHERN MOUNTAINS ON THURSDAY...WITH DRY
AND WARMER WEATHER RETURNING FRIDAY AND SATURDAY. ANOTHER STORM
WILL IMPACT SOUTHWEST COLORADO LATE SUNDAY AND MONDAY...BRINGING A
CHANCE OF SHOWERS AND THUNDERSTORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 3:21 AM MDTFreeze WarningGJTDelta, Dolores, Garfield, Gunnison, Mesa, Montrose and 1 more29 hr
Apr 8, 10:23 AM MDTWind AdvisoryGJTDelta, Dolores, Eagle, Garfield, Gunnison, Mesa and 6 more9 hr

Nearby

Red Flag Warnings in Colorado, 2015Every red flag warning in 2015

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.