Bulgaria is bracing for a sharp change in weather conditions on Tuesday, June 2, with meteorologists warning of thunderstorms, heavy downpours, and a heightened risk of hail across large parts of the country. The National Institute of Meteorology and Hydrology (NIMH) has issued a yellow warning code for dangerous weather in most regions. A total of 23 districts fall under the first-level alert: Sofia-city, Sofia-region, Montana, Vratsa, Lovech, Pernik, Kyustendil, Blagoevgrad, Smolyan, Gabrovo,