Alert archive / Colorado / Red Flag Warnings in 2020

Red Flag Warning 59, NWS Grand Junction, CO

October 14, 20204 counties in Colorado

NWS Grand Junction, CO issued this red flag warning at Oct 14, 2020, 2:16 PM MDT for 4 counties in Colorado. It took effect at Oct 15, 2020, 11:00 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
Oct 14, 2020, 2:16 PM MDT (20:16 UTC)
In effect from
Oct 15, 2020, 11:00 AM MDT
Expired
Oct 15, 2020, 8:00 PM MDT
In force
9 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 20:11 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, 8.3 hours before the alert went out and 323 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 2020-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 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 2020-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4204 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 7:58 PM MDTWind AdvisoryGJTEagle, Garfield, Gunnison, Mesa, Moffat, Montrose and 3 more23 hr
Oct 14, 3:58 AM MDTFire Weather WatchGJTDolores, La Plata, Montezuma, San Miguel10 hr
Oct 14, 4:51 AM MDTFreeze WatchGJTGarfield, Mesa, Moffat, Rio Blanco9 hr
Oct 14, 1:55 PM MDTFreeze WatchGJTArchuleta, Garfield, La Plata, Mesa, Moffat, Rio Blanco14 hr
Oct 14, 1:55 PM MDTFreeze WarningGJTGarfield, Mesa, Moffat, Rio Blanco15 hr

Nearby

Red Flag Warnings in Colorado, 2020Every red flag warning in 2020

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.