May 10, 2003: OKC Supercell Author: Pam Heinselman, CIMMS/OU Last Updated: 15 May 2003

Forecast/Weather:

On the evening of 9 May, a tornadic supercell moved over north Oklahoma City. Polarimetric hail signatures indicated hail intermittently between ~01:30-5 UTC (see Figs. below).

Radar Operations:

Start time: 23:06 5/09/03 UTC (18:06 5/09/03 local time)
Stop time: 04:58 5/10/03 UTC (24:58 5/09/03 local time)

Radar/Operational Status:

Hydrometeor Classification Algorithm: Warm season

Operational Delivery:

TBD.

Snapshots:

Figure 1: Radar reflectivity at the 0.5 elevation at 1:10 UTC on 10 May 2003.

Figure 2: Radar reflectivity at the 0.5 elevation at 1:10 UTC on 10 May 2003.

Figure 3: Radar reflectivity at the 0.5 elevation at 3:46 UTC on 10 May 2003.

Figure 4: Differential reflectivity at the 0.5 elevation at 1:10 UTC on 10 May 2003.

Figure 5: Differential reflectivity at the 0.5 elevation at 1:10 UTC on 10 May 2003.

Figure 6: Differential reflectivity at the 0.5 elevation at 3:46 UTC on 10 May 2003.