Switched domains to the FWD CWA. Ongoing supercell were producing hail over 2″ inches in diameter across eastern Dallas county. KFWS radar showing new supercell developing over the western portion of the county. Cloud top cooling product showed tops of >-21 degrees Celsius. Issued a severe thunderstorm warning based off both 88D reflectivity and cloud top cooling. Have since got reports of ping pong ball size hail.

KFWS radar at 2335z (warning issued on both storms):

Cloud top cooling product about 30 minutes before:

Update 0014z: MESH has shown hail sizes around 1.5″. Most real-time hail reports have been ping pong size. Solid.

Update 0052z: The western Dallas county supercell has mirrored the earlier storm to the east, based off of reflectivity. Hail up to 3″ in diameter has been reported with the storm which is double what the MESH was suggesting. At the same time of the 3″ report near Grand Prairie, divergence aloft increased to 10.7 s-1 with an updraft helicity of 145 m/s2.