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Temperature

All articles tagged with #temperature

Lightning’s 30,000°C Flash: hotter than the Sun’s surface, but not Sun-energy
science1 month ago

Lightning’s 30,000°C Flash: hotter than the Sun’s surface, but not Sun-energy

NOAA notes a lightning channel can reach about 30,000°C, roughly five times the Sun’s visible-surface temperature, though this is a comparison to the Sun’s photosphere, not the Sun as a whole; the extreme heat comes from a tiny, microsecond‑long channel and drives a shock that produces thunder, while the Sun still emits vastly more energy overall. The temperature is inferred from the light spectrum, not direct contact with the plasma.

via Space Daily|
#lightning#noaa#science
Venus Winds Stabilize Its Skies: New Study Redraws Planetary Climate
space4 months ago

Venus Winds Stabilize Its Skies: New Study Redraws Planetary Climate

A computational study shows Venus’ winds help moderate its extreme day–night temperatures, with highland regions staying nearly constant while lowlands swing by several kelvin; the research also notes frequent dust storms that could affect landers, arguing for a regional approach to mission planning and landing-site selection (e.g., DaVINCI and EnVision).

via The Daily Galaxy|
#dust-storms#space#space-missions
One Temperature Curve Governs Life’s Performance Across Species
science5 months ago

One Temperature Curve Governs Life’s Performance Across Species

A Trinity College Dublin team reports a Universal Thermal Performance Curve (UTPC) that collapses thousands of curves from bacteria to animals into a single pattern: performance rises with temperature up to an optimum, then drops sharply as heat increases. The UTPC links optimal and critical temperatures and suggests limited flexibility for species to adapt to ongoing climate warming, offering a new benchmark for predicting how biology responds to temperature changes.

via SciTechDaily|
#biology#climate-change#evolution
Hot Cups Leach Microplastics: Temperature Key in Takeaway Coffee
environment-energy5 months ago

Hot Cups Leach Microplastics: Temperature Key in Takeaway Coffee

A new study shows takeaway cups shed thousands of microplastic particles when hot, with temperature being the main driver. In Brisbane tests, all-plastic cups released more microplastics than paper cups with plastic linings at both cold and hot temperatures, and hotter liquids increased releases by about one third for plastic cups. The researchers estimate that sipping 300 ml daily from polyethylene cups could expose a person to roughly 363,000 microplastics per year. To reduce risk, use reusable cups or request cooler drinks, and avoid pouring boiling liquids into plastic-lined containers. While health impacts remain uncertain, the study highlights how material choice and heat affect microplastic exposure.

via The Conversation|
#coffee-cups#environment-energy#microplastics
Texas Weather Shifts: Cold Fronts, Record Highs, and Sunny Skies Ahead
weather6 months ago

Texas Weather Shifts: Cold Fronts, Record Highs, and Sunny Skies Ahead

Central Texas experienced a cooler Saturday with highs in the 50s and gusty winds, and temperatures dropping to the 20s and 30s overnight, with a freeze in the Hill Country. The weather will warm slightly next week with highs in the 50s and 60s, but a series of cold fronts are expected mid-week and next weekend, bringing isolated showers and additional cold air. Stay updated with local weather alerts and forecasts.

via KXAN Austin|
#cold-front#forecast#freeze
January's Full Wolf Moon and Meteor Shower Light Up the Sky
weather6 months ago

January's Full Wolf Moon and Meteor Shower Light Up the Sky

January's Wolf Moon is the first of three supermoons in 2025, coinciding with a brief cold front that will bring a slight temperature drop and increased wildfire risk in Austin. Despite recent cold snaps, the year remains among the warmest on record, with temperatures expected to stay above normal into early next week, and a chance of rain later in the week with another cold front.

via Austin American-Statesman|
#austin#cold-front#supermoon
Milder Next Week with Increased Precipitation and Snow Showers
weather6 months ago

Milder Next Week with Increased Precipitation and Snow Showers

The weather forecast for Minnesota indicates cold temperatures below normal on Friday and Saturday with light snow, especially in northern regions. Milder air is expected to arrive early next week, bringing increased precipitation chances, including possible rain and snow mixes, with temperatures rising above freezing in southern Minnesota. The active pattern suggests continued winter weather through the weekend and into early next week.

via MPR News|
#forecast#minnesota#precipitation
Twin Cities Expect Cold Snap with Snow and Wind
weather6 months ago

Twin Cities Expect Cold Snap with Snow and Wind

The weather forecast for Minnesota predicts very mild temperatures through Saturday, with highs in the 40s and 50s, followed by a cold front arriving Sunday bringing falling temperatures into the teens and snow showers, especially in eastern Minnesota, with a potential for several inches of snow. Temperatures will then rebound into the 20s and 30s early next week, with a possible active weather pattern including additional snow chances midweek.

via MPR News|
#cold#forecast#minnesota
Mild Christmas Week with Slightly Cooler Days and Melting Ahead
weather6 months ago

Mild Christmas Week with Slightly Cooler Days and Melting Ahead

Temperatures in Minnesota will be slightly cooler on Tuesday but remain above normal, with ongoing melting through the week. A stalled cold front causes a contrast in temperatures across the state, and milder weather is expected to continue into Christmas. Weather patterns influenced by a wet West Coast and a wavy jet stream keep the region milder than usual, though colder air is expected to arrive by the weekend, bringing snow and lower temperatures.

via MPR News|
#forecast#melting#minnesota