Tropical Storm Sinlaku Threatens Guam as Category 3-4 Typhoon; FEMA Faces $10B Funding Backlog Ahead of Hurricane Season; CISA Warns of Iran-Linked Attacks on Critical Infrastructure

Tropical Storm Sinlaku intensifies in the western Pacific as Guam declares Condition of Readiness 3 with a potential Category 3-4 typhoon landfall projected by Monday. FEMA faces a $10 billion disaster reimbursement backlog and internal readiness concerns ahead of the 2026 Atlantic hurricane season. CISA and federal partners warn of ongoing Iran-linked cyberattacks targeting programmable logic controllers across government, water, and energy sectors, with a new Ivanti EPMM vulnerability added to the Known Exploited Vulnerabilities catalog. State-level updates include Colorado wildfire evacuations, a Kilauea volcanic eruption watch in Hawaii, Mississippi disaster designations, historic wildfires in Nebraska, and a boil water advisory in South Carolina. Full state-by-state coverage and sourced intelligence for emergency management professionals.EM Morning Brief is your concise daily update on national and state-by-state emergency management news. Produced by Sitch Radio, an EOC Voices podcast.Takeaways:Tropical Storm Sinlaku is projected to intensify into a Category 3 or 4 typhoon.The U.S. Coast Guard is actively coordinating a unified response across the Marianas region.FEMA faces significant challenges with disaster reimbursements amid the ongoing storm preparations.Communities throughout the nation are awaiting nearly $10 billion in disaster relief funding.Severe weather alerts have been issued for various regions, including heavy rainfall and potential flooding.Nebraska is experiencing historic wildfires, with the Morrill Fire having burned approximately 642,000 acres.SourcesGuam / Northern Mariana Islands• Guam Homeland Security — COR 3 Joint Information Center Release, April 10, 2026• RNZ News — Tropical Storm Sinlaku strengthens, could hit CNMI as typhoon by MondayFEMA• WWNO/NPR — Communities waiting on billions in disaster funding, April 10, 2026• WBUR Here & Now — FEMA worker says warning signs came early, April 9, 2026CISA / Cyber• ABA Banking Journal — CISA, federal agencies issue advisory on Iran-related cyberattacks• The Hacker News — Iran-linked hackers disrupt U.S. critical infrastructure by targeting PLCs• Qualys ThreatPROTECT — CISA added Ivanti EPMM CVE-2026-1340 to KEV catalog• CISA — Known Exploited Vulnerabilities catalog, April 8, 2026 additionNWS / NOAA• NOAA Storm Prediction Center — Day 1 Convective Outlook, April 10, 2026Travel Advisories• U.S. Embassy to Angola and Sao Tome and Principe — Travel Advisory update, April 8, 2026Colorado• CPR News — Mandatory evacuations ordered for wildfire near Carter Lake, April 8, 2026Hawaii• USGS Hawaiian Volcano Observatory — Kīlauea Episode 44 precursory activity notice, April 8, 2026• Spectrum Local News Hawaii — Major disaster declaration request pending, April 3, 2026Mississippi• USDA FSA — FEMA designates 3 counties in Mississippi as disaster areas, April 9, 2026Nebraska• Governor Pillen — Emergency declaration for wildfires in central/western NebraskaSouth Carolina• Clean Air and Water — Berkeley County boil water advisory, April 9, 2026U.S. Virgin Islands• St. Thomas Source — WAPA major units offline, power rotations, April 2–9, 2026