According to sources in state media, the warehouse is controlled by rebel groups.
The Jordanian army says it has attacked several locations "used by arms and drug smugglers" along the country's northern border.
Parts of the province of al-Suwayda are controlled by armed groups belonging to the Druze ethnic group.
Before Syria's former dictator Bashar al-Assad was overthrown in late 2024, the drug Captagon was one of the regime's main sources of income. Since Islamists, led by interim president Ahmed al-Sharaa, took over the country, Syria and Jordan have pledged to combat drug smuggling along their shared border.
