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Heat Index

All articles tagged with #heat index

Tropics on the Edge: Uninhabitable Heat and Mega-Floods by 2100
science1 month ago

Tropics on the Edge: Uninhabitable Heat and Mega-Floods by 2100

New climate models warn that by 2100 many tropical regions could regularly exceed dangerous heat levels (Heat Index above 103°F, with some places over 124°F) and experience a roughly 41% rise in extreme rainfall, pushing areas like India, Pakistan, Central Africa, and Southeast Asia toward uninhabitable conditions and increasing flood risk in underprepared megacities; another study projects hundreds of millions living in cities above the 29°C mean annual temperature threshold, underscoring stark adaptation gaps and inequality in resilience.

via Indian Defence Review|
#extreme-heat#extreme-rainfall#heat-index
Heat Wave to End Sunday, Humidity Persists
weather1 year ago

Heat Wave to End Sunday, Humidity Persists

A severe heat wave continues to affect the eastern United States, with peak temperatures expected in the Ohio Valley and Midwest before shifting to the Southeast and Plains early next week. Record highs and dangerous heat indexes are anticipated, prompting officials to warn about heat stress and the need for cooling measures. The heat may ease later next week but could return by July, with above-normal temperatures forecasted for much of the country.

via The Washington Post|
#heat-index#heat-wave#national-weather-service
San Antonio Breaks Heat Index Record for Second Year in a Row
weather1 year ago

San Antonio Breaks Heat Index Record for Second Year in a Row

San Antonio recorded its highest-ever heat index of 117 degrees on June 4, 2024, breaking last year's record of 116 degrees. High humidity and afternoon dewpoints in the mid-to-upper 70s have caused feels-like temperatures to soar into triple digits across South Central Texas. Residents are advised to stay hydrated, wear sunscreen, and take care of pets as the hot and humid conditions persist.

via KSAT San Antonio|
#heat-index#humidity#record-temperature
Early Heatwaves and Storms Raise Concerns Across the U.S.
weather1 year ago

Early Heatwaves and Storms Raise Concerns Across the U.S.

Texas and Florida are experiencing unprecedented early-season extreme heat, with Miami recording its hottest May on record and heat indexes reaching 112 degrees Fahrenheit. Experts warn that this could foreshadow a record-breaking hot year, with climate change contributing to more frequent and intense heat waves. Heat advisories are in effect, urging residents to stay cool and hydrated.

via Yahoo! Voices|
#climate-change#extreme-heat#florida
"Record-Breaking Early Heatwaves Scorch Texas and Florida"
weather1 year ago

"Record-Breaking Early Heatwaves Scorch Texas and Florida"

Texas and Florida are experiencing unprecedented early-season extreme heat, with Miami recording its hottest May on record and heat indexes reaching 112 degrees Fahrenheit. Experts warn that this could foreshadow a record-breaking hot year, with climate change contributing to more frequent and intense heat waves. Heat advisories are in effect, urging residents to stay cool and hydrated.

via NBC News|
#climate-change#extreme-heat#florida
"Rapidly Rising Heat Index in Texas Signals Alarming Climate Change Effects"
environment1 year ago

"Rapidly Rising Heat Index in Texas Signals Alarming Climate Change Effects"

A study focusing on Texas last summer reveals that the apparent temperature, or heat index, is increasing three times faster than the measured temperature due to climate change, with the relative humidity remaining constant as the temperature rises, reducing the body's ability to cool through sweating. The study's revised heat index model shows that the apparent temperature at Houston's Ellington Airport on July 23 of last year was 167 degrees Fahrenheit, with climate change accounting for 12 degrees. The lead author warns that extreme heat conditions in Texas may become hyperthermic for all and emphasizes the need to reduce additional warming by ceasing the burning of fossil fuels.

via Newser|
#climate-change#environment#health-risks
"Rapid Rise: The Alarming Increase of Felt Heat Index Over Actual Temperatures"
environment1 year ago

"Rapid Rise: The Alarming Increase of Felt Heat Index Over Actual Temperatures"

A new study shows that the heat index, which measures how hot it really feels, has increased much faster in Texas than the measured temperature, with extreme days feeling 8 to 11 degrees Fahrenheit hotter due to climate change. The study highlights the dangers of rising temperatures and the need to communicate heat stress accurately to the public. Researchers emphasize the importance of ceasing additional warming by stopping the burning of fossil fuels. The study also suggests that people need to take precautions to avoid hyperthermia, especially in extreme heat situations, and that the current heat index calculations are inaccurate in today's climate conditions.

via UC Berkeley|
#climate-change#environment#global-warming
Rising Temperatures Set to Triple Heat-Related Cardiovascular Deaths in the US
health2 years ago

Rising Temperatures Set to Triple Heat-Related Cardiovascular Deaths in the US

A study supported by the National Institutes of Health predicts that cardiovascular-related deaths due to extreme heat will increase in the United States between 2036 and 2065. Older adults and Black adults are expected to be disproportionately affected, as they often have underlying health conditions and face socioeconomic barriers that can influence their health. The study estimates that each summer, about 71 to 80 days will feel 90 degrees or hotter, leading to a projected increase in annual heat-related cardiovascular deaths from 1,651 to 4,320 for the general population. The number of deaths could more than triple if greenhouse gas emissions rise significantly. The researchers emphasize the importance of taking extra steps to avoid extreme temperatures, especially for those with underlying health risks.

via National Institutes of Health (.gov)|
#cardiovascular-deaths#climate-change#extreme-heat
Heatwave in DC: Record-breaking temperatures continue, but relief is on the way
weather2 years ago

Heatwave in DC: Record-breaking temperatures continue, but relief is on the way

Record high temperatures were reached today at all three airports in the Washington D.C. area, with temperatures in the upper 90s, and are expected to be broken again on Tuesday. The combination of high temperatures and humidity could result in heat index values near 105 degrees in some areas. It is advised to stay hydrated, seek shade and air conditioning, and check on those who may struggle with the heat.

via The Washington Post|
#heat-index#heatwave#high-humidity
"Scorching Labor Day Heat Wave Sweeps Across Northeastern US"
weather2 years ago

"Scorching Labor Day Heat Wave Sweeps Across Northeastern US"

Meteorologists have issued a heat advisory for Rochester and the surrounding area on Labor Day, with temperatures expected to reach the 90s all week. This follows a national trend of September feeling more like August. The heat and high humidity may lead to heat illnesses, prompting warnings to stay hydrated, stay in air-conditioned rooms, and avoid strenuous activities during the hottest parts of the day. The Democrat and Chronicle will release a podcast called "City on Fire" exploring the effects of heat and violence in Rochester, as temperatures continue to rise due to the climate crisis.

via Democrat & Chronicle|
#climate-crisis#heat-advisory#heat-index