Levant Tension IndexA daily escalation/de-escalation index for Israel, Lebanon, Syria, the Palestinian territories and Jordan, from open-source indicators & warnings. A heuristic, not a forecast.

What changed · 5 Sep 2026

Israeli attacks on south Lebanon intensified at the start of a three-day surge, while the US Navy destroyed three IRGC-linked tankers and Iran threatened harsher retaliation.

• Military posture: 5/10 · Overall judgement: start of a stepped-up Israeli campaign in south Lebanon, with Gaza and West Bank incidents continuing.
• Diplomatic / political: 5/10 · CENTCOM said it destroyed three IRGC-linked tankers after Iran fired on US ships; Iran's command threatened more severe attacks (Times of Israel).
• Economic / informational: 5/10 · Iran said it targeted tankers on unauthorised Hormuz routes; shipping risk stayed high (Times of Israel).
• Humanitarian: 5/10 · Israel's Foreign Ministry denied blocking medicines to Gaza after a UK minister alleged it (Times of Israel); the allegation is disputed.
• EW / SIGINT: 3/10 · No new interference beyond routine background jamming was reported in the sources reviewed.

Sources

• Times of Israel: Sept. 5: Iran threatens 'more severe attacks' against US Navy, claims to have targeted oil tankers in Hormuz
• Al Jazeera: Israeli air attacks kill at least 12 people in southern Lebanon

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