Alert archive / Colorado / Mesoscale Discussions in 2003

Mesoscale Discussion 1541

June 28, 200325 counties in Colorado

The Storm Prediction Center issued this mesoscale discussion at Jun 28, 2003, 5:36 PM MDT for 25 counties in Colorado. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Jun 28, 2003, 5:36 PM MDT (23:36 UTC)
Expired: Jun 28, 2003, 7:00 PM MDT
In force: 84 min
Issued by: the Storm Prediction Center

All 25 counties

Adams County, CO, Arapahoe County, CO, Baca County, CO, Bent County, CO, Broomfield County, CO, Cheyenne County, CO, Crowley County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Kiowa County, CO, Kit Carson County, CO, Las Animas County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Otero County, CO, Phillips County, CO, Prowers County, CO, Pueblo County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO

The radar

The Pueblo radar (KPUX), 77 km from the middle of the area, began a volume at 23:35 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

Denver, CO (KDNR), launched 12:00Z, 11.6 hours before the alert went out and 143 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: 2521 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 51 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 28, 2:46 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Baca, Bent, Broomfield, Cheyenne and 19 more	89 min
Jun 28, 3:45 PM MDT	Severe Thunderstorm Watch	SPC	Adams, Arapahoe, Baca, Bent, Broomfield, Cheyenne and 21 more	5 hr
Jun 28, 4:46 PM MDT	Mesoscale Discussion	SPC	Logan, Phillips, Sedgwick	89 min

Nearby

Mesoscale Discussions in Colorado, 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; radar from the NEXRAD Level II archive.