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Moke Douses Hawaii’s Big Island with Rain and Gusty Winds
weather6 days ago

Moke Douses Hawaii’s Big Island with Rain and Gusty Winds

Tropical Storm Moke is tracking south of the Hawaiian Islands but will still bring periods of heavy rain and gusty winds to the Big Island today through Monday, with the heaviest rainfall on windward and southeast slopes. A Flood Watch and Wind Advisory remain in effect for the Big Island, while tradewinds strengthen and drier conditions are expected to return by mid next week. Residents should expect east-shore cyclone swell, a small south pulse through the weekend, and next-week swells along north and west coasts.

via Hawaii News Now|
#big-island#hawaii#rainfall
Moke strengthens as Hawaii braces for heavy rain and gusty winds
weather6 days ago

Moke strengthens as Hawaii braces for heavy rain and gusty winds

Tropical Storm Moke is strengthening as it moves west-northwest toward the Hawaiian Islands, bringing heavy rainfall (5–10 inches on the Big Island, with isolated totals up to 15 inches) and gusty winds tonight into Sunday. The center is forecast to pass south of the Big Island, with winds remaining robust but gradually weakening. Residents should be alert for potential life-threatening flooding and mudslides in windward terrain; Maui could see 3–6 inches of rain on the east side, with 1–2 inches elsewhere. Swells from Moke will affect eastern and southern shores over the next few days, and another advisory is expected around 5 p.m. HST.

via Maui Now|
#big-island#hawaii-weather#rainfall
Neptune’s Supersonic Winds Break Solar System Speed Records
science22 days ago

Neptune’s Supersonic Winds Break Solar System Speed Records

Neptune hosts the solar system’s fastest winds—about 2,000 km/h (roughly 1,200 mph)—well above Earth’s Category 1 hurricane speeds (minimum 119 km/h). These speeds were first inferred from Voyager 2’s 1989 cloud-tracking flyby and later confirmed by ALMA measurements at known pressure levels. Scientists think the winds are powered more by internal heat and planetary rotation than by sunlight, with a shallow atmospheric layer (roughly 1,000 km deep) driving the stormy weather. Neptune’s extreme distance means little solar input, and with one Neptune year equal to 165 Earth years, our data come from a small, early snapshot—awaiting future probes to reveal more of its atmospheric mysteries.

via Space Daily|
#atmospheric-dynamics#neptune#science
Neptune's Hidden Engine Drives Solar-System's Fastest Winds
space1 month ago

Neptune's Hidden Engine Drives Solar-System's Fastest Winds

Neptune hosts the fastest winds in the solar system—over 2,000 km/h—despite daylight being about 900 times dimmer than Earth’s, because it radiates more internal heat than it absorbs from the Sun. Rapid rotation, convection, atmospheric waves and low drag organize this energy into broad east-west jets; the planet’s weather layer is likely relatively shallow, and a heat surplus drives the storms. Voyager 2 measured near-2,000 km/h winds during its 1989 flyby; later observations show persistent jets with changing vortices, but the exact mechanism remains debated and likely a combination of internal heat, atmospheric dynamics, and rotation. Future missions could help pinpoint how Neptune converts energy into its striking winds.

via Space Daily|
#atmospheric-dynamics#internal-heat#jet-streams
Magnetic Weather Detected on Distant Giant Exoplanets
science2 months ago

Magnetic Weather Detected on Distant Giant Exoplanets

Astronomers using the Very Large Telescope and Gemini North studied seven hot giant exoplanets and found a surprising link between wind speeds and temperature: the hottest worlds have slower winds, explained by strong magnetic fields acting as brakes. The inferred magnetic fields are about four times stronger than Saturn’s and roughly half as strong as Jupiter’s, a finding that could affect atmospheric retention and planetary survival, and possibly hint at spectacular auroral activity. The work opens a new window for exoplanet research, with future observatories like the Extremely Large Telescope expected to extend these methods to Earth-sized worlds.

via Earth.com|
#astronomy#auroras#exoplanets
Exoplanet Magnetospheres Detected: A Magnetic Window Into Distant Worlds
science2 months ago

Exoplanet Magnetospheres Detected: A Magnetic Window Into Distant Worlds

Scientists using ESO's Very Large Telescope and Gemini North measured wind speeds on seven hot, Jupiter-like exoplanets and found patterns best explained by global magnetic fields, marking the first robust evidence of magnetospheres around worlds beyond our solar system. The inferred magnetic strengths are roughly four times Saturn’s and about half Jupiter’s. This breakthrough opens a new window for exoplanet research, suggesting magnetically driven aurorae and paving the way for future ELT observations to characterize smaller, potentially habitable worlds.

via Good News Network|
#eso#exoplanets#magnetic-field
First Signs of Exoplanet Magnetic Fields Seen in Furious Winds
astronomy2 months ago

First Signs of Exoplanet Magnetic Fields Seen in Furious Winds

Astronomers using the Very Large Telescope (VLT) and Gemini North measured wind speeds on seven tidally locked, hot Jupiter–like exoplanets and found winds up to 15,530 mph, offering the first direct evidence of magnetic fields around planets beyond the solar system. The winds appear to slow with higher planetary temperatures due to magnetospheric braking, allowing researchers to infer magnetic-field strengths—roughly four times Saturn’s and about half Jupiter’s. The findings, published in Nature Astronomy, imply these worlds could host dramatic auroras and provide a new way to study exoplanet magnetospheres and atmospheric evolution.

via Space|
#astronomy#auroras#exoplanets
Stagecoach Winds Force Evacuation as Headlining Night Is Delayed
music4 months ago

Stagecoach Winds Force Evacuation as Headlining Night Is Delayed

Stagecoach 2026 in Indio paused Saturday as high winds whipped dust and toppled props, triggering an emergency evacuation; Lainey Wilson’s headlining set was delayed about an hour, while Journey and Riley Green saw their performances canceled. After a staggered restart, Wilson opened again but the crowd faced shuttle- and parking-lot chaos; the final day remains headlined by Post Malone.

via Rolling Stone|
#journey#lainey-wilson#music
Gusty Winds, Severe Storms, and a Monday Night Flash Freeze Loom Over Central New York
weather5 months ago

Gusty Winds, Severe Storms, and a Monday Night Flash Freeze Loom Over Central New York

Central New York faces an active weather pattern: strong winds tonight with wind advisories, a potential for damaging gusts up to 60 mph and isolated tornado risk Monday afternoon along a cold front, followed by wet snow Monday night and a dramatic drop in temperatures that could cause a flash freeze Tuesday morning; conditions are expected to calm by midweek as winter gives way to spring.

via WSTM|
#flash-freeze#severe-weather#snow
Venus Winds Stabilize Its Skies: New Study Redraws Planetary Climate
space5 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