Satellite Spots a Spawn – NASA Science

Spawning season has sprung for Pacific herring (Clupea pallasii) in the waters off British Columbia, Canada. From mid-February through early May each year, thousands of the small, silvery fish congregate in shallow coastal areas around Vancouver Island and create a spectacle sometimes visible to satellites. Sheltered waters in Barkley Sound, on the southwestern side of…

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A Hot Start to Spring in the Southwest

In March 2026, the first official day of the Northern Hemisphere’s spring felt more like summer across much of the southwestern United States. Numerous high-temperature records fell that day amid a bout of extreme heat.     The extent and severity of the heat are represented on this map, which shows air temperatures on the afternoon of…

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Kona Storms Flood Oʻahu - NASA Science

Kona Storms Flood Oʻahu – NASA Science

Back-to-back low-pressure systems struck Hawaii in March 2026, delivering some of the worst flooding the state has seen in decades. The subtropical weather systems—called kona lows near Hawaii—siphoned moisture from the tropics, fueling slow-moving thunderstorms with torrential, destructive rains. The National Weather Service reported rainfall totals of 5 to 10 inches (13 to 26 centimeters)…

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Tropical Cyclone Narelle Crosses Australia

Tropical Cyclone Narelle traced a long path across the northern edge of Australia, bringing damaging winds and rain to areas already saturated with abundant precipitation. The system made separate landfalls in three different states and territories between March 20 and 23, 2026. These satellite images show Narelle at about 2 p.m. local time (04:00 Universal…

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A Fault Line in Full Bloom

Whether it qualifies as a “superbloom” is in the eye of the beholder, but there is no doubt that California’s Carrizo Plain and the neighboring mountain ranges were awash with color as wildflowers put on their annual show in spring 2026. Landsat satellites began to show the early signs of color in February. By early…

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Restless Kīlauea Launches Lava and Ash

Kīlauea has entered its second year of episodic activity after reawakening in December 2024. Since then, the Hawaiian volcano has gone through dozens of bouts of lava fountaining, each lasting several hours to several days. Activity ramped up once again on March 10, 2026, for episode 43 of the eruption. From approximately 9 a.m. to…

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Australia’s “Red Centre” Turns Green

The town of Alice Springs lies near Australia’s geographic center, in a region often called the “Red Centre” for the rusty hue of its desert landscape. After weeks of heavy rainfall in February and March 2026, however, vast areas of desert and surrounding mountains turned lush and green.  The MODIS (Moderate Resolution Imaging Spectroradiometer) on NASA’s Terra satellite…

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Wave of Dust Rolls Through Texas

The Ides of March brought perilous weather to West Texas and the state’s Panhandle. A strong cold front blasted south across the arid plains on March 15, 2026, bringing stiff winds that stirred up a curtain of dust. The cloud of suspended particles slashed visibility and made for treacherous travel as it swept across the…

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A Bit of Gray on an Emerald Isle

Today’s story is the answer to the March 2026 puzzler. Though Ireland is known for the many shades of green that grace its grassy pastoral landscapes, there’s one corner of the Emerald Isle where gray reigns supreme. In the Burren region, on the island’s west coast, what geologists describe as limestone pavement covers much of…

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Cañon Fiord’s Whirling Waters – NASA Science

For most of the year, ice blankets the waterways of the northern Canadian Arctic Archipelago. But during the brief summer melt season, the stark white and gray landscape transforms into a colorful, dynamic environment. On a particularly striking day in 2022, sediment plumes and fractured sea ice traced swirling eddies in a branch of the…

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