Alert archive / Colorado / Mesoscale Discussions in 2015

Mesoscale Discussion 718

May 22, 201513 counties in Colorado

The Storm Prediction Center issued this mesoscale discussion at May 22, 2015, 2:37 PM MDT for 13 counties in Colorado. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued
May 22, 2015, 2:37 PM MDT (20:37 UTC)
Expired
May 22, 2015, 4:00 PM MDT
In force
83 min
Issued by
the Storm Prediction Center
Chance of a watch
40%

Counties Bent County, CO, Cheyenne County, CO, Crowley County, CO, Custer County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Fremont County, CO, Kiowa County, CO, Lincoln County, CO, Otero County, CO, Pueblo County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 36 km from the middle of the area, began a volume at 20:39 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 (KDEN), launched 12:00Z, 8.6 hours before the alert went out and 141 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 2015-05-22Temperature 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, Denver, CO at 12:00Z on 2015-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
749 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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Nearby

Mesoscale Discussions in Colorado, 2015Every mesoscale discussion 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.