Current Mesoscale DiscussionsUpdated: Mon Aug 10 15:26:02 UTC 2026No Mesoscale Discussions are currently in effect. Most recently issued Mesoscale Discussion #1893. Notice: The responsibility for Heavy Rain Mesoscale Discussions has been transferred to the Weather Prediction Center (WPC) on April 9, 2013. Archived Convective ProductsTo view convective products for a previous day, type in the date you wish to retrieve (e.g. Data available since January 1, 2004.