Alert archive / Colorado / Mesoscale Discussions in 2020

Mesoscale Discussion 910

June 13, 202047 counties in Colorado; 9 counties in New Mexico; 4 counties in Wyoming

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2020, 12:54 PM MDT for 47 counties in Colorado; 9 counties in New Mexico; 4 counties in Wyoming. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 13, 2020, 12:54 PM MDT (18:54 UTC)
Expired
Jun 13, 2020, 3:00 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
5%
All 60 counties

Adams County, CO, Alamosa County, CO, Arapahoe County, CO, Archuleta County, CO, Boulder County, CO, Broomfield County, CO, Chaffee County, CO, Clear Creek County, CO, Conejos County, CO, Costilla County, CO, Custer County, CO, Delta County, CO, Denver County, CO, Dolores County, CO, Douglas County, CO, Eagle County, CO, El Paso County, CO, Fremont County, CO, Garfield County, CO, Gilpin County, CO, Grand County, CO, Gunnison County, CO, Hinsdale County, CO, Huerfano County, CO, Jackson County, CO, Jefferson County, CO, La Plata County, CO, Lake County, CO, Larimer County, CO, Mesa County, CO, Mineral County, CO, Moffat County, CO, Montezuma County, CO, Montrose County, CO, Ouray County, CO, Park County, CO, Pitkin County, CO, Pueblo County, CO, Rio Blanco County, CO, Rio Grande County, CO, Routt County, CO, Saguache County, CO, San Juan County, CO, San Miguel County, CO, Summit County, CO, Teller County, CO, Weld County, CO, Bernalillo County, NM, Catron County, NM, Cibola County, NM, Los Alamos County, NM, McKinley County, NM, Rio Arriba County, NM, San Juan County, NM, Sandoval County, NM, Taos County, NM, Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY

The radar

The Grand Junction radar (KGJX), 153 km from the middle of the area, began a volume at 18:53 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

Denver, CO (KDNR), launched 12:00Z, 6.9 hours before the alert went out and 386 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, Denver, CO at 12:00Z on 2020-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Denver, CO at 12:00Z on 2020-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939Sfc1 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
2355 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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Nearby

Mesoscale Discussions in Colorado, 2020Mesoscale Discussions in New Mexico, 2020Mesoscale Discussions in Wyoming, 2020Every mesoscale discussion 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.