We chose to sectorize the forecasters to two different regions…  Cheyenne, WY for Thoren/Bickford and Norman, OK for Rudge / Maples.

The forecasters have been asked to provide a mesosale forecast/graphicast discussion for each region (on the blog) by 2100 UTC.

The Wyoming group overlaps a bit with the forecast area of the EFP for day 1:

Though current convection is located farther westward in mountainous terrain.

Meanwhile the OK group is watching mixing in central and western Oklahoma:

Nothing severe at the moment, but some interesting features including virga / mammatus visible at the same time:

Expectation for severe weather increase Wed / Thurs for the experiment.

-K. Calhoun, Week 1 Coordinator