Storm Watch — Week 30, 2026
The Atlantic basin produced nothing of note in the week ending 25 July, and the underlying data explain why. The Nino-3.4 index has climbed from 1.0 in the week of 29 April to 2.3 by 15 July without a single down-week in twelve consecutive readings. That persistence is the defining feature of the 2026 Atlantic season so far, and it shapes every position in the open call ledger.
The pace of the move matters as much as its level. The 29 April reading was 1.0. By 3 June it had reached 1.5, and by 24 June it printed 2.0. The 15 July reading held at 2.3 — unchanged from the prior week, but unchanged from a high rather than from a retreat. CSU's 10 June update, issued when the signal was already well established, set the season forecast at exactly 11 named storms, 5 hurricanes and 2 major hurricanes, with an ACE estimate of 70 against the historical median of roughly 123. NOAA, updating earlier in May when Nino-3.4 was still running around 1.1 to 1.3, put the range at 8 to 14 named storms and 3 to 6 hurricanes, also with a below-normal outlook. Both agencies point the same direction, and the further strengthening since those updates has not pushed against their conclusions.
The calendar now places the statistical peak of Atlantic hurricane season six days away. The August–October window carries the bulk of activity in any year; the question entering this column has always been how much below-normal actually means in practical terms for Gulf Coast crude loading windows and LNG export nominations. The five open calls on this ledger, all entered on 5 July, attempt to answer that for specific markets.
The most structurally interesting entry filed on that date notes that Gulf hurricane risk to gas has migrated onshore. The Gulf of Mexico now accounts for roughly 1 percent of US marketed gas production, against 17 percent in 2005, while still handling approximately 13 to 14 percent of US crude throughput. A Gulf-corridor storm's gas market impact is now concentrated in LNG export terminals along the Texas and Louisiana coastlines, not in offshore shut-ins. A terminal strike during peak season would be bearish Henry Hub — reduced feed-gas demand with no physical supply spike to offset it — and simultaneously bullish TTF and JKM, as cargoes divert or fail to load. That call remains open; it can only be graded on an actual Gulf-corridor landfall.
Two related entries address the probability of that event. Drawing on CSU's 10 June landfall probability tables, the call filed on 5 July puts the odds of a major hurricane striking the continental United States at approximately 24 percent this season, against a climatological figure of 43 percent. For the Gulf specifically the numbers are 14 percent versus 27 percent. Those are differences large enough to shift how physical traders price Q4 loading-window disruption risk, and they remain as stated, unrevised since they were entered.
The fourth open entry takes a longer view. Strong El Niño precedents — 1997–98 and 2015–16, the two clearest analogues on file — correlate with a warm US winter and compressed heating-degree days, softening the winter gas strip independent of whatever the hurricane season produces. The call filed on 5 July argues that the Nino-3.4-driven HDD distribution is the larger Q4 gas driver this year, and that any hurricane-related disruption would need to be substantial to override it. At 2.3 on the index, sustained through the spring at a pace that left forecasters' below-normal seasonal calls intact rather than forcing revisions, that thesis has not weakened.
The fifth call addresses a different basin entirely. Guy Carpenter's May 2026 outlook cited El Niño-driven track shifts as raising above-normal typhoon landfall risk for Japan and Korea through the August–October window. The mechanism is the northeast recurvature that characterises El Niño typhoon tracks, directing systems toward the Korean peninsula and Japan rather than into the South China Sea or across the Philippines. Japan and Korea together represent a significant share of global LNG import capacity; concentrated landfalls in that corridor would tighten spot markets through demand compression and port disruption rather than supply loss, producing a price signal that moves the same TTF-JKM spread the Gulf terminal call addresses — but from the demand side rather than the supply side.
None of these calls have changed status since 5 July. No storms, no landfalls, no grading event. The basin is quiet, the El Niño index is steady at 2.3, and the ledger waits for August.