Alert archive / Colorado / Mesoscale Discussions in 2014

Mesoscale Discussion 1401

July 16, 201422 counties in Colorado

The Storm Prediction Center issued this mesoscale discussion at Jul 16, 2014, 12:33 PM MDT for 22 counties in Colorado. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued
Jul 16, 2014, 12:33 PM MDT (18:33 UTC)
Expired
Jul 16, 2014, 2:00 PM MDT
In force
87 min
Issued by
the Storm Prediction Center
Chance of a watch
20%
All 22 counties

Adams County, CO, Arapahoe County, CO, Bent County, CO, Boulder County, CO, Broomfield County, CO, Crowley County, CO, Custer County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Fremont County, CO, Huerfano County, CO, Jefferson County, CO, Kiowa County, CO, Las Animas County, CO, Lincoln County, CO, Morgan County, CO, Otero County, CO, Pueblo County, CO, Teller County, CO, Weld County, CO

The radar

The Pueblo radar (KPUX), 54 km from the middle of the area, began a volume at 18:35 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, 6.6 hours before the alert went out and 127 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 2014-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 joules per kilogram.LCLLFCEL10008507005003002001001 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 2014-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.1939587897Sfc1 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
43 J/kg
Mixed-layer CIN
-299 J/kg
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
184 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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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 15, 10:33 PM MDTMesoscale DiscussionSPCLogan, Weld87 min
Jul 16, 2:16 PM MDTMesoscale DiscussionSPCBaca89 min

Nearby

Mesoscale Discussions in Colorado, 2014Every mesoscale discussion in 2014

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.