Alert archive / Colorado / Mesoscale Discussions in 2023

Mesoscale Discussion 754

May 10, 20234 states

The Storm Prediction Center issued this mesoscale discussion at May 10, 2023, 1:25 PM MDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 10, 2023, 1:25 PM MDT (19:25 UTC)
Expired: May 10, 2023, 3:30 PM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch likely
Chance of a watch: 95%

All 56 counties

Adams County, CO, Arapahoe County, CO, Bent County, CO, Boulder County, CO, Broomfield County, CO, Cheyenne County, CO, Clear Creek County, CO, Costilla County, CO, Crowley County, CO, Custer County, CO, Denver County, CO, Douglas County, CO, El Paso County, CO, Elbert County, CO, Fremont County, CO, Gilpin County, CO, Huerfano County, CO, Jefferson 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, Park County, CO, Phillips County, CO, Pueblo County, CO, Teller County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Gove County, KS, Graham County, KS, Greeley County, KS, Logan County, KS, Rawlins County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Chase County, NE, Dundy County, NE, Hitchcock County, NE, Red Willow County, NE, Colfax County, NM, Harding County, NM, Mora County, NM, San Miguel County, NM, Taos County, NM, Union County, NM

The radar

The Pueblo radar (KPUX), 75 km from the middle of the area, began a volume at 19:28 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.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 7.4 hours before the alert went out and 308 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: 813 J/kg
Mixed-layer CIN: -258 J/kg
Mixed-layer LCL: 905 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 266 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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
May 9, 7:28 PM MDT	Mesoscale Discussion	SPC	Adams, Broomfield, Denver, Weld	2 hr
May 10, 12:17 AM MDT	Mesoscale Discussion	SPC	Boulder, Broomfield, Logan, Morgan, Sedgwick, Weld	58 min
May 10, 1:55 PM MDT	Tornado Watch	SPC	Adams, Arapahoe, Cheyenne, Denver, Douglas, Elbert and 11 more	7 hr
May 10, 2:21 PM MDT	Severe Thunderstorm Watch	SPC	Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more	8 hr
May 10, 4:45 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Cheyenne, Denver, Douglas, Elbert and 9 more	90 min
May 10, 2:02 PM MDT	Mesoscale Discussion	SPC	Scotts Bluff, Sioux	88 min

Nearby

Mesoscale Discussions in Colorado, 2023 Mesoscale Discussions in Kansas, 2023 Mesoscale Discussions in New Mexico, 2023 Every mesoscale discussion in 2023

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.