Alert archive / New Mexico / Mesoscale Discussions in 2016

Mesoscale Discussion 1688

September 15, 20165 counties in New Mexico; Cimarron County, Oklahoma; 5 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Sep 15, 2016, 1:02 AM MDT for 5 counties in New Mexico; Cimarron County, Oklahoma; 5 counties in Texas. It was in force for 58 min.

The area

The outline as issued.

The facts

Issued: Sep 15, 2016, 1:02 AM MDT (07:02 UTC)
Expired: Sep 15, 2016, 2:00 AM MDT
In force: 58 min
Issued by: the Storm Prediction Center
Chance of a watch: 5%

Counties Curry County, NM, Harding County, NM, Quay County, NM, Roosevelt County, NM, Union County, NM, Cimarron County, OK, Dallam County, TX, Deaf Smith County, TX, Hartley County, TX, Oldham County, TX, Parmer County, TX

The radar

The Cannon AFB radar (KFDX), 57 km from the middle of the area, began a volume at 07:03 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 00:00Z, 7.0 hours before the alert went out and 151 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: 661 J/kg
Mixed-layer CIN: -104 J/kg
Mixed-layer LCL: 867 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.2

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
Sep 15, 12:03 PM MDT	Mesoscale Discussion	SPC	De Baca, Guadalupe, Lincoln, Torrance	57 min
Sep 15, 12:42 PM MDT	Severe Thunderstorm Watch	SPC	Chaves, Curry, De Baca, Eddy, Guadalupe, Lea and 4 more	7 hr
Sep 15, 3:58 PM MDT	Mesoscale Discussion	SPC	Chaves, Curry, De Baca, Doña Ana, Eddy, Lea and 5 more	92 min
Sep 15, 4:39 PM MDT	Mesoscale Discussion	SPC	Alfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 16 more	96 min

Nearby

Mesoscale Discussions in New Mexico, 2016 Mesoscale Discussions in Texas, 2016 Mesoscale Discussions in Oklahoma, 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.