Pete was working the MR/MS data set for a hail and wind event along a front in Nebraska.

He issued several warnings after looking at the environment, AWIPS all-tilts, AzShear, MESH.  He mentioned that all of the products were basically pointing at large hail — it didn’t matter so much in this case which product you looked at because they all gave the same guidance.  He would be very interested in seeing how the MR/MS products perform on marginal events, or widespread events (more than just a couple of storms) that are more difficult warning decision-making challenges.

Pete has also observed in the past that most of the proxies for hail that are used operationally (and this could be extended to MESH as well) tend to underestimate hail size when the storm-relative flow is relativeley weak (15 kts, or no meso) and storms are vertically stacked due to no separation of hydrometeors.

Travis Smith (Multi-Radar/Multi-Sensor PI)