Alert archive / New Mexico / Mesoscale Discussions in 2003

Mesoscale Discussion 1426

June 20, 200310 counties in New Mexico; Cimarron County, Oklahoma; 6 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 20, 2003, 2:21 PM MDT for 10 counties in New Mexico; Cimarron County, Oklahoma; 6 counties in Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued: Jun 20, 2003, 2:21 PM MDT (20:21 UTC)
Expired: Jun 20, 2003, 4:15 PM MDT
In force: 114 min
Issued by: the Storm Prediction Center

Counties Chaves County, NM, Curry County, NM, De Baca County, NM, Guadalupe County, NM, Harding County, NM, Lincoln County, NM, Quay County, NM, Roosevelt County, NM, San Miguel County, NM, Union County, NM, Cimarron County, OK, Dallam County, TX, Deaf Smith County, TX, Hartley County, TX, Oldham County, TX, Parmer County, TX, Sherman County, TX

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Tornado Watch 552Jun 20, 2:45 PM MDT

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.4 hours before the alert went out and 197 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1342 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 199 m²/s²
0-3 km storm-relative helicity: 220 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
Jun 20, 11:14 AM MDT	Mesoscale Discussion	SPC	Chaves, Curry, De Baca, Eddy, Guadalupe, Harding and 7 more	2 hr
Jun 20, 12:30 PM MDT	Severe Thunderstorm Watch	SPC	Chaves, Colfax, Curry, De Baca, Guadalupe, Harding and 11 more	8 hr
Jun 20, 5:04 PM MDT	Mesoscale Discussion	SPC	Chaves, Colfax, Curry, De Baca, Guadalupe, Harding and 7 more	86 min
Jun 20, 2:45 PM MDT	Tornado Watch	SPC	Cimarron, Texas	6 hr
Jun 20, 5:30 PM MDT	Mesoscale Discussion	SPC	Beaver, Beckham, Ellis, Greer, Harmon, Harper and 2 more	2 hr
Jun 20, 1:28 AM MDT	Mesoscale Discussion	SPC	Briscoe, Cochran, Crosby, Dickens, Floyd, Garza and 9 more	92 min
Jun 20, 3:34 PM MDT	Mesoscale Discussion	SPC	Andrews, Crane, Crockett, Ector, Loving, Midland and 7 more	116 min

Nearby

Mesoscale Discussions in New Mexico, 2003 Mesoscale Discussions in Texas, 2003 Mesoscale Discussions in Oklahoma, 2003 Every mesoscale discussion in 2003

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.