May 10, 2003: Convective Line Author: Pam Heinselman, CIMMS/OU Last Updated: 22 May 2003

Forecast/Weather:

On 10 March 2003, a line of covective storms developed just east of KOUN by 17:54 UTC. This line held together through ~20 UTC. The strongest cells developed over Hughs Co., northeast of KOUN. At least one of these cells had a strong polarimetric hail signature around 19:03 UTC (see Figs. below).

Radar Operations:

Start time: 05:28 5/10/03 UTC (17:54 5/10/03 local time)
Stop time: 14:28 5/10/03 UTC (23:31 5/10/03 local time)

Radar/Operational Status:

Hydrometeor Classification Algorithm: (Warm or Cold season?)

Operational Delivery:

Snapshots:

Figure 1: Radar reflectivity at 19:03 UTC on 10 May 2003.

Figure 2: Differential reflectivity at 19:03 UTC on 10 May 2003 indicates hail in the north-most cell of the line.