Alert archive / Colorado / Red Flag Warnings in 2017

Red Flag Warning 10, NWS Grand Junction, CO

May 25, 20176 counties in Colorado

NWS Grand Junction, CO issued this red flag warning at May 25, 2017, 3:01 PM MDT for 6 counties in Colorado. It took effect at May 26, 2017, 12:00 PM MDT. It was in force for 7 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
May 25, 2017, 3:01 PM MDT (21:01 UTC)
In effect from
May 26, 2017, 12:00 PM MDT
Expired
May 26, 2017, 7:00 PM MDT
In force
7 hr
Issued by
NWS Grand Junction, CO

Counties Delta County, CO, Garfield County, CO, Mesa County, CO, Montrose County, CO, Ouray County, CO, San Miguel County, CO

The radar

The Grand Junction radar (KGJX), 44 km from the middle of the area, began a volume at 21:03 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 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 May 25, 10:45 AM MDT, 4 hours 16 minutes earlier.

Area forecast discussion, May 25, 10:45 AM MDT, 4 hours 16 minutes before
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Hazardous weather outlook, May 25, 5:21 AM MDT, 9 hours 40 minutes before
Hazardous Weather Outlook
National Weather Service GRAND JUNCTION CO
521 AM MDT Thu May 25 2017

COZ001>014-017>023-UTZ022>025-027>029-261200-
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-
521 AM MDT Thu May 25 2017

...Red Flag Warning this afternoon and evening for the southwest
colorado valleys...

This hazardous weather outlook is for eastern Utah and western
Colorado.

.DAY ONE...Today and Tonight

A southward moving cold front will stall along the north slopes of
the San Juan Mountains today. South of the front, gusty southwest
winds will combine with very low relative humidity values and dry
vegetation to create critical fire weather conditions. As a
result, a Red Flag Warnings is in effect for the southern valleys
in southwest Colorado this afternoon and early evening.

North of the cold front, expected scattered to numerous showers
and thunderstorms through tonight. Outflow wind gusts from passing
storms could exceed 50 mph with brief heavy rain and small hail
possible. Unsettled weather is expected to continue through the
overnight hours.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Passing weather disturbances will bring a chance for showers and
thunderstorms each afternoon and evening through early next week.
Some snow will be possible Friday night and Saturday across the
northern and central mountains in western Colorado. Gusty outflow
winds, small hail and brief heavy precipitation will be possible
with the stronger storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Local storm report, May 25, 2:28 PM MDT, 33 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 3:37 PM MDTSpecial Weather StatementGJTRoutt38 min
May 25, 5:05 PM MDTSpecial Weather StatementGJTMoffat40 min

Nearby

Red Flag Warnings in Colorado, 2017Every red flag warning in 2017

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.