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El Niño-fueled Kelvin wave in Southern California: What it means

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Importance
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Snapshot born 1d ago · present at 23 data intervals (1d ago → 20h ago)

Story History

The story across its frozen snapshot generations (each shares ≥ half of this snapshot's articles). ─ articles · ─ sources · squares = generation births, sized by importance (outlined = open that snapshot; filled = this one) · baseline band = intervals the story was live · ticks below = each generation's tone.
Born Articles Sources Importance Shared with this snapshot
3h ago 9 9 17.0 4
6h ago 10 10 18.0 4
9h ago 9 9 17.0 4
9h ago 7 7 15.0 4
19h ago 8 8 16.0 4
20h ago 7 7 15.0 4
1d ago 6 6 10.0 4
1d ago 3 3 7.0 3
1d ago 4 4 8.0 4
Public Discourse · Bluesky · this story as of 13m ago
480 distinct posts / 48h, matching What 328 Southern 196 California 131 Kelvin 25
WhenPostTone
13h ago Stay safe, SoCal! El Niño-driven T.S. Rachel x Kelvin wave elevated sea levels = dangerous coastal conditions this weekend in Southern California. High surf and coastal flooding risks will peak o… ×3 -1.5
17h ago www.latimes.com headline change https://www.latimes.com/california/story/2026-10-08/hurricane-rachel-kelvin-wave-combine-for-coastal-dangers-what-to-know New text is now Hurricane Rachel, Kelvin… ×4 -4.0
18h ago misleading photo on that article -- Kelvin waves don't do that on their own, but they *can* make storm surge effects worse if a storm happens to be in progress at the time +1.5
19h ago One other uncertain but potentially significant impact is potential for worsened coastal flooding in SoCal due to combo of high surf, minor storm surge from Rachel (low pressure+onshore winds), & p… -2.5
19h ago Hurricane Rachel and Kelvin Waves combine to create coastal dangers: What to know Hurricane Rachel, currently raging in the Pacific, is expected to increase the risk of coastal flooding in Souther… ×16 -3.0
20h ago AND currently -- hurricane Rachel is on approach to Southern CA (likely downgraded to a tropical storm as it reaches us) and will combine with a Kelvin wave event to bring rain, winds, and more coa… ×2 -3.0
21h ago LA Times Hurricane Rachel, Kelvin wave combine to bring rain, winds, coastal dangers to Southern California. What to know for the weekend via LA Times ×8 -3.0
21h ago A Kelvin wave from the current El Niño is expected to drive record-high sea levels and coastal flooding in California, signaling future climate-change impacts. ×6 -4.0
22h ago Hurricane Rachel and an El Nino Kelvin wave are expected to raise Southern California sea levels, increasing coastal flooding and beach erosion risk through Sunday. ×9 -3.5
22h ago Hurricane Rachel, Kelvin wave combine to bring rain, winds, coastal dangers to SoCal -3.0
22h ago Hurricane Rachel, Kelvin wave combine to bring rain, winds, coastal dangers to SoCal https://ift.tt/PvbwHOR -4.0
1d ago Kelvin waves: Will El Niño bring coastal flooding to American west? El Niño could soon trigger coastal flooding along the western coast of North America, through Kelvin waves. But what are Kelvin … ×2 -1.0
1d ago A coastally trapped Kelvin wave is expected to raise Southern California sea levels by 6 to 12 inches for months, worsening flooding when storms or high tides coincide. ×9 -5.5
1d ago El Nino Kelvin waves are expected to raise West Coast sea levels by up to 1 foot, increasing coastal erosion and flooding risks for humans and marine wildlife. ×2 -4.5
16m ago The first hurricane of the Atlantic season was forecast to intensify rapidly and cause dangerous conditions in the Florida Panhandle, southern Alabama and southern Mississippi when it makes landfal… -4.5
19m ago Tropical storm Rachel took unusual turn toward Baja California, putting Southern California on alert for tropical weather this weekend. Rachel’s remnants could spread inland toward Mojave Desert … ×2 -3.5
25m ago Southern California's extreme weather season is making a sharp turn, from a long, dangerous heat wave to the season's first widespread rain. Tropical Storm Rachel is churning toward the region, and… ×2 -1.0
40m ago Hurricane Isaias is expected to make landfall Friday on the Gulf Coast, bringing life-threatening winds and rain to the southern U.S. (AP Photo) -7.0
47m ago Tropical Storm Rachel is expected to bring several hours of moderate rain to Southern California over the weekend into early next week, with coastal flooding risk highest on south-facing beaches. ×6 -2.5
49m ago Southern California drought years get plenty of attention for their effect on water bills and landscaping choices, but there's a quieter side effect that rarely comes up: what extended dry conditio… ×3 -2.0
50m ago U.S. News: Isaias is the first hurricane of the Atlantic season and was expected to usher in dangerous conditions in the Florida Panhandle, southern Alabama and southern Mississippi. >> -4.0
57m ago Isaias is the first hurricane of the Atlantic season and was expected to usher in dangerous conditions in the Florida Panhandle, southern Alabama and southern Mississippi when it makes landfall lat… -2.0
1h ago Hurricane Isaias is expected to impact southern states, Kentucky is not out of reach of its effects, and response teams in the commonwealth are preparing to help. +1.5
1h ago Tropical Cyclone Local Statement issued October 9 at 4:16AM CDT by NWS Birmingham AL HLSBMX This product covers Central Alabama TROPICAL STORM WARNINGS REMAIN IN EFFECT FOR SOUTHERN PORTIONS OF … -4.0
1h ago LIX continues Storm Surge Warning for Southern Hancock [MS] until further notice at Fri, 09 Oct 2026 09:12:45 +0000 via IEMbot Additional Details Here. -3.5
2h ago LIX continues Storm Surge Warning for Southern Hancock [MS] until further notice Link ×5 -5.0
2h ago LIX continues Storm Surge Warning for Southern Jackson [MS] until further notice Link ×5 -5.0
2h ago LIX continues Hurricane Warning for Southern Jackson [MS] until further notice Link ×5 -5.0
2h ago LIX continues Storm Surge Warning for Southern Harrison [MS] until further notice Link ×5 -5.0
3h ago Isaias could become the first major hurricane of the season in the last day before a southern landfall. Here's the latest. -6.0

Articles in Story

Tier Title Category Source Feeling SentimentSentiment Score (-5 to +5)
LLM-assessed emotional tone of coverage.

-5 = extremely negative/alarming
0 = neutral/factual
+5 = extremely positive/hopeful

The colored bar shows position on the scale. Emotion badge uses Plutchik's 8 primary emotions: joy, trust, fear, surprise, sadness, disgust, anger, anticipation.
T1 El Niño-fueled Kelvin wave in Southern California: What it means 📄 weather_impact latimes.com curious, attentive, cautious
-3.1
anticipation
T3 Kelvin waves: Will El Niño bring coastal flooding to American west? weather_forecast earthsky.org wary, watchful, uncertain
-1.5
anticipation
T3 As El Niño strengthens, California preps for flooding, groundwater recharge weather_flooding agri-pulse.com proactive, hopeful, wary
-1.0
anticipation
T3 El Niño Kelvin Wave Begins Moving Up the California Coast as Late-October High Tides Approach 📄 weather_flooding natureworldnews.com tense, watchful, concerned
-4.0
anticipation
T3 Kelvin wave hitting Southern California: What to expect as El Niño threatens the coast again 📄 weather_forecast hanfordsentinel.com watchful, curious, wary
-3.2
anticipation
T3 FARM: El Niño increases chances of winter storms and floods 📄 weather_forecast ivpressonline.com worried, bracing, prepared
-1.7
anticipation