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Skew-T Diagram for Sterling, VA

#20 Sterling, Virginia

CAPE:

 Good: 2094 J/kg, no CIN. Nearly excellent.

Deep Layer Shear:

 Decent: 0-6 km shear 15 knots, but 90 knot westerly jet at the tropopause. Some veering in the lowest levels.

Mid-level Lapse Rates:

 Decent: effectively moist adiabatic

Freezing Level:

 12.5 kft

Overall Threat of Severe Hail:

 Moderate: The CAPE is great, shear/mid level lapse rates not high enough for a "high" threat.

Summary of the Event:

Date of Sounding: 2 July 2004 @ 00 UTC
20:50 UTC baseball hail reported in Baltimore County, MD, and at 23 UTC Washington DC had 0.88 inch hail.

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