The US-Iran war drives cascading global crises: Hormuz blockade sustains oil above $112 and rising toward $120, IEA-reported damage to 40+ energy sites portends major Gulf marine pollution, Iranian cyber threats target critical infrastructure, while Ukrainian drone escalation forces Russia toward emergency measures near St. Petersburg.

I assess P=0.80, significantly above the analyst's 0.68, because the event chain evidence is exceptionally strong and the Russian institutional pattern favors this outcome. The event chain 'New destruction in Leningrad region after Ukrainian attack' is one of the most persistent in the dataset: 29 clusters over 5 days, predominantly in the escalation stage. Complementary chains include 'Fuel tank damaged in Primorsk port drone attack' (4 clusters, escalation), 'Mobile internet cut off in Saint Petersburg' (5 clusters, escalation), and 'Saratov and Penza airports suspend operations' (confirmed). This volume of security incidents affecting Russia's second-largest city creates irresistible bureaucratic momentum. Russian precedent is clear: after the Wagner mutiny, emergency measures were implemented within 48 hours; after the Crocus City Hall attack, new security protocols emerged within two weeks. The political calculus is straightforward — St. Petersburg is Putin's home city, and visible damage to port infrastructure and repeated airport closures are politically intolerable. The only meaningful risk to this forecast is if drone attacks suddenly cease (unlikely given the Ukraine-Russia war trajectory shows persistent escalation) or if authorities prefer informal measures to a public decree (possible but less likely given the visibility of Pulkovo closures affecting civilian travel). The 45-day horizon provides ample time for bureaucratic implementation.