Alert archive / Colorado / Mesoscale Discussions in 2012

Mesoscale Discussion 2036

October 12, 20124 states

The Storm Prediction Center issued this mesoscale discussion at Oct 12, 2012, 9:49 AM MST for 4 states. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: Oct 12, 2012, 9:49 AM MST (16:49 UTC)
Expired: Oct 12, 2012, 11:15 AM MST
In force: 86 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

Counties Apache County, AZ, Dolores County, CO, La Plata County, CO, Montezuma County, CO, Montrose County, CO, San Miguel County, CO, McKinley County, NM, San Juan County, NM, San Juan County, UT

The nearest sounding before it

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 4.8 hours before the alert went out and 306 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: 21 J/kg
Mixed-layer CIN: -166 J/kg
Mixed-layer LCL: 1668 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 205 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.

Issued	Product	Office	Counties	Lasted
Oct 12, 1:19 AM MST	Mesoscale Discussion	SPC	Apache, Navajo	116 min
Oct 12, 2:52 AM MST	Mesoscale Discussion	SPC	Apache, Navajo	113 min
Oct 12, 1:19 AM MST	Mesoscale Discussion	SPC	Chaves, Eddy, Lea, Roosevelt	86 min
Oct 12, 11:03 AM MST	Mesoscale Discussion	SPC	Bernalillo, Los Alamos, Mora, Rio Arriba, Sandoval, San Miguel and 4 more	87 min
Oct 12, 3:50 PM MST	Mesoscale Discussion	SPC	Curry, Eddy, Lea, Quay, Roosevelt	85 min
Oct 12, 4:22 PM MST	Tornado Watch	SPC	Chaves, Curry, De Baca, Eddy, Lea, Quay and 1 more	8 hr

Nearby

Mesoscale Discussions in Colorado, 2012 Mesoscale Discussions in New Mexico, 2012 Mesoscale Discussions in Arizona, 2012 Every mesoscale discussion in 2012

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.