Alert archive / Colorado / Mesoscale Discussions in 2004

Mesoscale Discussion 1056

June 2, 20044 states

The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2004, 12:40 PM MDT for 4 states. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Jun 2, 2004, 12:40 PM MDT (18:40 UTC)
Expired: Jun 2, 2004, 3:15 PM MDT
In force: 3 hr
Issued by: the Storm Prediction Center

Counties Baca County, CO, Bent County, CO, Las Animas County, CO, Otero County, CO, Harding County, NM, Union County, NM, Cimarron County, OK, Dallam County, TX

The radar

The Pueblo radar (KPUX), 195 km from the middle of the area, began a volume at 18:41 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 watches that followed

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

Tornado Watch 381Jun 2, 2:20 PM MDT

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 6.7 hours before the alert went out and 237 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: 1755 J/kg
Mixed-layer CIN: -233 J/kg
Mixed-layer LCL: 1521 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.7

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 2, 2:20 PM MDT	Tornado Watch	SPC	Baca	7 hr
Jun 2, 5:27 PM MDT	Mesoscale Discussion	SPC	Bent, Cheyenne, Kiowa, Kit Carson, Lincoln, Prowers	93 min
Jun 2, 8:35 AM MDT	Severe Thunderstorm Watch	SPC	Alfalfa, Beaver, Grant, Harper, Woods	5 hr
Jun 2, 10:50 AM MDT	Mesoscale Discussion	SPC	Alfalfa, Blaine, Canadian, Cleveland, Creek, Dewey and 27 more	85 min
Jun 2, 11:15 AM MDT	Severe Thunderstorm Watch	SPC	Alfalfa, Blaine, Canadian, Cherokee, Craig, Creek and 25 more	5 hr
Jun 2, 12:30 PM MDT	Severe Thunderstorm Watch	SPC	Adair	5 hr
Jun 2, 1:35 PM MDT	Mesoscale Discussion	SPC	Adair, Caddo, Canadian, Cherokee, Cleveland, Creek and 21 more	115 min
Jun 2, 1:50 PM MDT	Severe Thunderstorm Watch	SPC	Atoka, Bryan, Caddo, Carter, Choctaw, Cleveland and 23 more	4 hr
Jun 2, 3:49 PM MDT	Mesoscale Discussion	SPC	Atoka, Bryan, Carter, Choctaw, Johnston, LeFlore and 4 more	56 min
Jun 1, 8:50 PM MDT	Severe Thunderstorm Watch	SPC	Anderson, Angelina, Bell, Bosque, Cherokee, Coryell and 39 more	6 hr
Jun 1, 9:45 PM MDT	Mesoscale Discussion	SPC	Anderson, Angelina, Camp, Cherokee, Franklin, Gregg and 16 more	60 min
Jun 1, 10:20 PM MDT	Severe Thunderstorm Watch	SPC	Newton	5 hr
Jun 2, 12:34 AM MDT	Mesoscale Discussion	SPC	Anderson, Angelina, Bell, Bosque, Cherokee, Coryell and 38 more	116 min
Jun 2, 10:26 AM MDT	Mesoscale Discussion	SPC	Archer, Austin, Bastrop, Bell, Bosque, Brazoria and 39 more	2 hr
Jun 2, 2:19 PM MDT	Mesoscale Discussion	SPC	Borden, Briscoe, Cottle, Crosby, Dawson, Dickens and 21 more	116 min
Jun 2, 3:10 PM MDT	Severe Thunderstorm Watch	SPC	Andrews, Borden, Cottle, Crosby, Dawson, Dickens and 16 more	5 hr
Jun 2, 4:30 PM MDT	Severe Thunderstorm Watch	SPC	Bowie, Camp, Cass, Marion, Morris, Titus and 1 more	6 hr
Jun 2, 4:50 PM MDT	Severe Thunderstorm Watch	SPC	Anderson, Archer, Baylor, Bosque, Callahan, Camp and 48 more	6 hr
Jun 2, 5:08 PM MDT	Mesoscale Discussion	SPC	Armstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 23 more	67 min

Nearby

Mesoscale Discussions in Colorado, 2004 Mesoscale Discussions in New Mexico, 2004 Mesoscale Discussions in Oklahoma, 2004 Every mesoscale discussion in 2004

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.