CenterHigh
WMUR Hearst WLKY32 (Louisville)News report · Jul 1, 10:30 PM
Extreme heat warning extended to Friday; heat indices up to 100+ degrees
Extreme heat warning for Louisville area extended through Friday.
← Today's headlines
18 sources checked · Left, Center, and Right included · 26m ago
Different Spin
Extreme heat warning extended to Friday; heat indices up to 100+ degrees
Extreme heat warning for Louisville area extended through Friday.
3 Left14 Center1 Right
DIFFERENT SPIN
HOW EACH SIDE WORDED IT
Left-leaningCenter-leftWorkers brave extreme temperatures as heat wave stretches on in Chicago
Chicago Sun-TimesMostly Factual
Right-leaningCenter-rightAllegheny County extends heat advisory through the holiday weekend
Pittsburgh Tribune ReviewMostly Factual
alleghenycountyextends
Center baseline · 
WMUR Hearst WLKY32 (Louisville)HighExtreme heat warning extended to Friday; heat indices up to 100+ degrees
As of July 1, 2026 at 11:30 PM, this is how Optics News reads the wording differences in this story.
What happened Extreme heat warning for Louisville area extended through Friday.
The headline split The left frames it as "Workers brave extreme temperatures as heat wave stretches on in Chicago". The right frames it as "Allegheny County extends heat advisory through the holiday weekend".
Match confidence High confidence. 18 sources checked, Left/Center/Right all represented. Best read as a clear framing signal — not a fact-check.
Same-event confidenceHigh
18 sources across Left, Center, and Right all describe the same event.
Framing confidenceStrong
80/99 — headlines create a clearly different first impression.
WHAT EACH SIDE EMPHASIZED
Left / center-leftWorkers brave extreme temperatures as heat wave stretches on in Chicago
Chicago Sun-Times · Center-left · News report
CenterExtreme heat warning extended to Friday; heat indices up to 100+ degrees
WMUR Hearst WLKY32 (Louisville) · Center · News report
Right / center-rightAllegheny County extends heat advisory through the holiday weekend
Pittsburgh Tribune Review · Center-right · News report
SEE THE HEADLINES
Open source
CenterHigh
WTAE Pittsburgh (Hearst)News report · Jul 1, 11:30 PM
Severe Waether Alert Days for dangerous heat through Friday
Alert Day: Heat Warning in Place through Friday Night
CenterMostly Factual
Tennessee LookoutNews report · Jul 1, 11:17 PM
A sweaty Fourth of July ahead for the US as extreme heat descends on 20 states
WASHINGTON — As outdoor celebrations and events marking the nation’s 250th anniversary and the World Cup reach their peak, local officials across the country are urging caution amid a heat...
CenterHigh
WTNH News8 (Nexstar, New Haven)News report · Jul 1, 11:10 PM
Chester summer camp takes extra safety precautions amid extreme heat
CHESTER, Conn. (WTNH) — With extreme heat hitting Connecticut, Camp Hazen YMCA in Chester is taking safety precautions to protect children and staff on its campground. Hydration and time in...
CenterHigh
WGAL8 (Hearst, Lancaster)News report · Jul 1, 10:44 PM
ALERT DAY | Dangerous triple-digit scorcher begins, extreme heat warning to take effect
Dangerous heat is settling over the Susquehanna Valley today, with a combination of near-record temperatures and tropical humidity that will make it feel as hot as 105 to 110 degrees throug...
CenterHigh
WLS / ABC7 ChicagoNews report · Jul 1, 10:27 PM
Chicago weather: Extreme Heat Warning continues for area Wednesday
The dangerously high temperatures will continue across the Chicago Area Wednesday.
Show all 18 sources
Center-leftMostly Factual
Chicago Sun-TimesNews report · Jul 1, 10:26 PM
Workers brave extreme temperatures as heat wave stretches on in Chicago
While many have been able to remain indoors during the heat wave, countless Chicago workers have continued to endure sweltering conditions as extreme temperatures persist throughout the wee...
CenterHigh
WYFF4 (Hearst, Greenville)News report · Jul 1, 10:22 PM
How hot is too hot? Meteorologist Grace Lowe takes a look at extreme heat
With extreme heat expected over the holiday weekend, Meteorologist Grace Lowe is warning about risks for pets, cars and anyone spending time outside.
CenterHigh
WPVI / 6abc PhiladelphiaNews report · Jul 1, 10:17 PM
Accu Weather: Extreme Heat Warning in effect through Saturday in the Philadelphia region
Temperatures will be near 100 degrees the next three days, and it will feel even hotter when you factor in the humidity.
CenterHigh
WMTW8 (Hearst, Portland ME)News report · Jul 1, 10:16 PM
People head to the lakes to cool off from the extreme heat
As extreme heat settled into parts of Maine on Wednesday, a number of people decided to take a dip in Sebago Lake.
CenterHigh
WJW FOX8 (Nexstar, Cleveland)News report · Jul 1, 10:15 PM
Thousands of residents lose power in Cuyahoga County amid extreme heat
Thousands of residents in Northeast Ohio lost power on Wednesday as extreme heat persists across the region.
CenterHigh
WFMY News 2 (Tegna, Greensboro)News report · Jul 1, 10:13 PM
Extreme heat puts outdoor workers, children, and pets at risk across North Carolina
Extreme heat is raising risks for outdoor workers, children and pets. Here’s how to stay safe and what to do if someone is trapped in a hot car.
CenterHigh
FOX8 WGHP (Nexstar, Greensboro)News report · Jul 1, 10:08 PM
Guilford County EMS urges safety during extreme heat
GUILFORD COUNTY, N.C. (WGHP) - Dangerously hot conditions across the Piedmont Triad have people searching for ways to beat the heat. People living and visiting Guilford County made sure to...
Center-leftMostly Factual
Arkansas AdvocateNews report · Jul 1, 10:00 PM
A sweaty Fourth of July ahead for the US as extreme heat descends on 20 states
sweatyfourthjulyaheadextreme
WASHINGTON — As outdoor celebrations and events marking the nation’s 250th anniversary and the World Cup reach their peak, local officials across the country are urging caution amid a heat...
CenterHigh
WMUR9 (Hearst, Manchester NH)News report · Jul 1, 9:43 PM
Hampton Beach prepares for busy stretch as extreme heat arrives
With the weather heating up, people were headed to the beach, and Seacoast businesses expected big crowds for the holiday weekend.
CenterHigh
WUSA9 (Tegna, Washington DC)News report · Jul 1, 9:24 PM
LIST: Extreme heat leads to closures, cooling stations, and event cancellations
An extreme heat alert has been issued across the region as people gear up for the holiday weekend.
Center-rightMostly Factual
Pittsburgh Tribune ReviewNews report · Jul 1, 9:15 PM
Allegheny County extends heat advisory through the holiday weekend
alleghenycountyextendsadvisorythrough
Allegheny County has extended its heat advisory throughout the holiday weekend due to the continuation of hot temperatures.
Center-leftMostly Factual
Iowa Capital DispatchNews report · Jul 1, 9:06 PM
A sweaty Fourth of July ahead for the US as extreme heat descends on 20 states
WASHINGTON — As outdoor celebrations and events marking the nation’s 250th anniversary and the World Cup reach their peak, local officials across the country are urging caution amid a heat...
Details80/99 Wording Gap · High confidence · 18 sources
80/99 Wording GapHigh confidence18 sources · 3 bias bucketsStable · 18 sources · all three buckets · comparable news formatFormats: News report
SOURCE MAP CHANGES
Jul 1, 9:06 PM: Iowa Capital Dispatch joined the source map.
Jul 1, 9:15 PM: Pittsburgh Tribune Review joined the source map.
Jul 1, 9:24 PM: WUSA9 (Tegna, Washington DC) joined the source map.
Jul 1, 9:43 PM: WMUR9 (Hearst, Manchester NH) joined the source map.
Now: Wording Gap is 80/99 and story health is stable · 18 sources · all three buckets · comparable news format.