Alert archive / Colorado / Red Flag Warnings in 2019

Red Flag Warning 5, NWS Grand Junction, CO

June 27, 2019Montrose County, San Miguel County, Colorado; Grand County, Utah

NWS Grand Junction, CO issued this red flag warning at Jun 27, 2019, 2:40 PM MDT for Montrose County, San Miguel County, Colorado; Grand County, Utah. It took effect at Jun 28, 2019, 12:00 PM 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
Jun 27, 2019, 2:40 PM MDT (20:40 UTC)
In effect from
Jun 28, 2019, 12:00 PM MDT
Expired
Jun 28, 2019, 8:00 PM MDT
In force
8 hr
Issued by
NWS Grand Junction, CO

Counties Montrose County, CO, San Miguel County, CO, Grand County, UT

The radar

The Grand Junction radar (KGJX), 81 km from the middle of the area, began a volume at 20:44 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.

The nearest sounding before it

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 8.7 hours before the alert went out and 425 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Albuquerq/Krtlnd, NM at 12:00Z on 2019-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 92 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albuquerq/Krtlnd, NM at 12:00Z on 2019-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
92 J/kg
Mixed-layer CIN
-295 J/kg
Mixed-layer LCL
2342 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

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 Jun 27, 11:48 AM MDT, 2 hours 52 minutes earlier.

Area forecast discussion, Jun 27, 11:48 AM MDT, 2 hours 52 minutes before
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Hazardous weather outlook, Jun 27, 4:36 AM MDT, 10 hours 4 minutes before
Hazardous Weather Outlook
National Weather Service Grand Junction CO
436 AM MDT Thu Jun 27 2019

COZ001>014-017>023-UTZ022>025-027>029-281045-
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-
436 AM MDT Thu Jun 27 2019

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

.DAY ONE...Today and Tonight

Red Flag Warnings remain in effect for portions of southeast Utah
and southwest Colorado due to dry fuels, low humidity and breezy
southwest winds generating gusts to 25 to 30 MPH. Report fire
starts to police or fire authorities.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Dry and windy weather will continue Friday with elevated fire
weather concerns continuing.

.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
Jun 27, 2:55 PM MDTRiver Flood AdvisoryGJTEagle8 days

Nearby

Red Flag Warnings in Colorado, 2019Red Flag Warnings in Utah, 2019Every red flag warning in 2019

Sources

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