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5 sources checked · 2 source groups included · 2h ago

Still Watching

Record rainfall leaves four dead, thousands stranded in Japan

Guardian World reaches for "unprecedented" where South China Morning Post stays flat.

2 Left3 Center0 Right
Still watching. Optics is waiting for a cleaner match before calling the split.

STILL WATCHING

As of August 14, 2026 at 5:02 AM, this is how Optics News reads the wording differences in this story.

What happened Record rainfall in Chiba claims lives as more than 22,000 households without power on busy Bon Buddhist holiday week.
The headline split The left frames it as "‘Unprecedented’ rain kills four in Japan as thousands stranded at airport". The center frames it as "Heavy rains in Japan leave 4 dead and thousands stranded at Narita airport".
Match confidence Medium confidence. 5 sources across 2 bias buckets. Useful framing signal — check the source list before sharing.
Same-event confidenceMedium

5 sources across 2 bias buckets agree on the event.

Framing confidenceModerate

56/99 — meaningful wording shift across the spectrum.

WHAT EACH SIDE EMPHASIZED

Left / center-left‘Unprecedented’ rain kills four in Japan as thousands stranded at airport

Guardian World · Center-left · News report

CenterRecord rainfall leaves four dead, thousands stranded in Japan

Al Jazeera English · Center · News report

Right / center-rightNo matching source in this bucket yet.

Optics keeps watching for pickup.

SEE THE HEADLINES

Center-leftHigh
Guardian WorldNews report · Aug 14, 4:14 AM

‘Unprecedented’ rain kills four in Japan as thousands stranded at airport

unprecedented

Evacuation orders issued for 400,000 as torrential rains hit Chiba prefecture as flooding risks remain high despite rainfall easing At least four people died in eastern Japan after “unprece...

Open source
CenterMostly Factual
Al Jazeera EnglishNews report · Aug 14, 5:02 AM

Record rainfall leaves four dead, thousands stranded in Japan

Record rainfall in Chiba claims lives as more than 22,000 households without power on busy Bon Buddhist holiday week.

Open source
CenterHigh
BBC WorldNews report · Aug 14, 4:54 AM

'Unprecedented' rains in Japan kill four people

The storm cut power to more than 20,000 households and left 7,000 people stranded at Tokyo's Narita airport.

Open source
Center-leftMostly Factual
NDTVNews report · Aug 14, 3:51 AM

"Unprecedented" Heavy Rain Kills 4 In Japan, Thousands Stranded At Airport

A Japan Meteorological Agency (JMA) official said that this was "shaping up to be an unprecedented level of heavy rain."

Open source
CenterMostly Factual
South China Morning PostNews report · Aug 14, 3:04 AM

Heavy rains in Japan leave 4 dead and thousands stranded at Narita airport

Record rainfall left thousands of travellers ‌stranded at Tokyo’s Narita airport on Friday morning as flooding in the surrounding area disrupted transport, knocked out power to homes and cl...

Open source
Details56/99 Wording Gap · Medium confidence · 5 sources
56/99 Wording GapMedium confidence5 sources · 2 bias bucketsLive match · 5 sources · 2 buckets · comparable news formatFormats: News report

SOURCE MAP CHANGES

Aug 14, 3:04 AM: South China Morning Post joined the source map.

Aug 14, 3:51 AM: NDTV joined the source map.

Aug 14, 4:14 AM: Guardian World joined the source map.

Aug 14, 4:54 AM: BBC World joined the source map.

Now: Wording Gap is 56/99 and story health is live match · 5 sources · 2 buckets · comparable news format.