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Skew-T Diagram for Jacksonville, FL

#12 Jacksonville, Florida

CAPE:

 Elevated: The dry adiabatic lapse rates between 950 and 850 mb could lead to decent CAPE.

Deep Layer Shear:

 Good: 40-50 knots 0-6 km shear, with great veering and 90 knot westerlies at 10.5 km.

Mid-level Lapse Rates:

 Weak: saturated environment, thus a contaminated sounding

Freezing Level:

 11.4 kft

Overall Threat of Severe Hail:

 Slight: looks pretty tropical, but shear is good enough that storms that go along the warm front should be able to produce some severe hail

Summary of the Event:

Date of Sounding: 1 March 2003 @ 12 UTC
Jacksonville was just north of a warm front across northern Florida. SBCAPE just south of the warm front was around 1000 J/kg. A severe storm formed on the warm front about 20 miles southwest of Jacksonville. In Hampton, softball hail fell at 14 UTC, and there were several other reports of 0.75 inch to golfball hail across northeast Florida.

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