Alert archive / New Mexico / Mesoscale Discussions in 2003

Mesoscale Discussion 1522

June 27, 2003Cochise County, Greenlee County, Arizona; 6 counties in New Mexico

The Storm Prediction Center issued this mesoscale discussion at Jun 27, 2003, 11:23 AM MST for Cochise County, Greenlee County, Arizona; 6 counties in New Mexico. It was in force for 82 min.

The area

The outline as issued.

The facts

Issued: Jun 27, 2003, 11:23 AM MST (18:23 UTC)
Expired: Jun 27, 2003, 12:45 PM MST
In force: 82 min
Issued by: the Storm Prediction Center

Counties Cochise County, AZ, Greenlee County, AZ, Doña Ana County, NM, Grant County, NM, Hidalgo County, NM, Luna County, NM, Otero County, NM, Sierra County, NM

The radar

The El Paso radar (KEPZ), 134 km from the middle of the area, began a volume at 18:22 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.

Severe Thunderstorm Watch 599Jun 27, 12:50 PM MST

The nearest sounding before it

Santa Teresa, NM (KEPZ), launched 12:00Z, 6.4 hours before the alert went out and 134 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: 470 J/kg
Mixed-layer CIN: -224 J/kg
Mixed-layer LCL: 1208 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 140 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 27, 12:50 PM MST	Severe Thunderstorm Watch	SPC	Doña Ana, Grant, Hidalgo, Luna, Otero, Sierra	6 hr
Jun 27, 4:20 PM MST	Mesoscale Discussion	SPC	Harding, Union	115 min
Jun 27, 4:52 PM MST	Mesoscale Discussion	SPC	Doña Ana, Grant, Luna, Otero, Sierra	83 min

Nearby

Mesoscale Discussions in New Mexico, 2003 Mesoscale Discussions in Arizona, 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.