Alert archive / Arizona / Mesoscale Discussions in 2005

Mesoscale Discussion 171

February 19, 2005La Paz County, Mohave County, Yavapai County, Arizona

The Storm Prediction Center issued this mesoscale discussion at Feb 19, 2005, 11:17 AM MST for La Paz County, Mohave County, Yavapai County, Arizona. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Feb 19, 2005, 11:17 AM MST (18:17 UTC)
Expired: Feb 19, 2005, 1:45 PM MST
In force: 2 hr
Issued by: the Storm Prediction Center

Counties La Paz County, AZ, Mohave County, AZ, Yavapai County, AZ

The nearest sounding before it

Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 6.3 hours before the alert went out and 219 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: 592 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 107 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
Feb 19, 4:22 PM MST	Mesoscale Discussion	SPC	La Paz, Yuma	83 min

Nearby

Mesoscale Discussions in Arizona, 2005 Every mesoscale discussion in 2005

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.