Alert archive / Colorado / Mesoscale Discussions in 2016

Mesoscale Discussion 1123

July 3, 20164 states

The Storm Prediction Center issued this mesoscale discussion at Jul 3, 2016, 1:46 PM MDT for 4 states. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued: Jul 3, 2016, 1:46 PM MDT (19:46 UTC)
Expired: Jul 3, 2016, 3:45 PM MDT
In force: 119 min
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Baca County, CO, Bent County, CO, Costilla County, CO, 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, Quay County, NM, Union County, NM, Cimarron County, OK, Dallam County, TX, Hartley County, TX, Oldham County, TX

The radar

The Pueblo radar (KPUX), 206 km from the middle of the area, began a volume at 19:47 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 7.8 hours before the alert went out and 264 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 467 J/kg
Mixed-layer CIN: -186 J/kg
Mixed-layer LCL: 863 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

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.

Issued	Product	Office	Counties	Lasted
Jul 2, 8:20 PM MDT	Mesoscale Discussion	SPC	Alfalfa, Beaver, Grant, Harper, Texas, Woods and 1 more	85 min
Jul 3, 1:43 PM MDT	Mesoscale Discussion	SPC	Atoka, Cherokee, Cleveland, Coal, Creek, Garvin and 24 more	2 hr
Jul 3, 2:17 PM MDT	Severe Thunderstorm Watch	SPC	Adair, Atoka, Bryan, Caddo, Canadian, Carter and 45 more	8 hr
Jul 3, 4:24 PM MDT	Mesoscale Discussion	SPC	Archer, Clay, Jack, Montague, Shackelford, Throckmorton and 1 more	3 hr
Jul 3, 5:27 PM MDT	Severe Thunderstorm Watch	SPC	Archer, Baylor, Clay, Cooke, Fisher, Haskell and 14 more	6 hr

Nearby

Mesoscale Discussions in Colorado, 2016 Mesoscale Discussions in New Mexico, 2016 Mesoscale Discussions in Texas, 2016 Every mesoscale discussion in 2016

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.