Alert archive / Colorado / Mesoscale Discussions in 2017

Mesoscale Discussion 1460

August 8, 20176 counties in Colorado; 4 counties in New Mexico

The Storm Prediction Center issued this mesoscale discussion at Aug 8, 2017, 5:07 PM MDT for 6 counties in Colorado; 4 counties in New Mexico. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued
Aug 8, 2017, 5:07 PM MDT (23:07 UTC)
Expired
Aug 8, 2017, 6:00 PM MDT
In force
53 min
Issued by
the Storm Prediction Center

Counties Crowley County, CO, Custer County, CO, Huerfano County, CO, Las Animas County, CO, Otero County, CO, Pueblo County, CO, Colfax County, NM, Harding County, NM, Mora County, NM, Union County, NM

The radar

The Pueblo radar (KPUX), 177 km from the middle of the area, began a volume at 23:08 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, 11.1 hours before the alert went out and 286 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 2017-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 85 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 2017-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
85 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
1249 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
136 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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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 8, 2:13 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more2 hr
Aug 8, 2:42 PM MDTSevere Thunderstorm WatchSPCBent, Crowley, Huerfano, Las Animas, Otero, Pueblo5 hr

Nearby

Mesoscale Discussions in Colorado, 2017Mesoscale Discussions in New Mexico, 2017Every mesoscale discussion in 2017

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.