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Southern Argentinian Dust Storm

Earlier this week, a significant dust storm impacted the Chubut and Santa Cruz Provinces of southern Argentina. A strong low-pressure system, initially located in the South Pacific Ocean, traversed through the Andes Mountain Range and exited into the South Atlantic Ocean, which brought hurricane force winds that supported the development of the dust storm. Widespread Continue Reading

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The Northern Lights Seen Across CONUS

Last night, a severe geomagnetic storm produced an impressive aurora that could be seen across CONUS and observed as far south as Florida. The storm identified as a G4 level event described by the NOAA Space Weather Scale, which can disrupt technology on Earth, such as GPS/radio communications, electrical grids and cell towers. The JPSS Continue Reading

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Hurricane Melissa

A powerful Category 5 – Hurricane Melissa made landfall across western Jamaica on 28 October 2025. The hurricane brought strong winds (as high as 185 miles per hour), torrential rainfall and storm surge to the island, while inducing life threatening flooding, power outages, and damage to airports causing flight cancellations or delays. After the hurricane Continue Reading

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Western Alaska Floods

By J. Torres (CIRA), C. Dierking (GINA) and J. Delamere (GINA). In Early October 2025, Typhoon Halong developed in the north Philippine Sea, skirted near Japan and eventually trekked eastward into the north Pacific Ocean. The storm became post-tropical, but continued to travel eastward through the north Pacific, then traversed through the Aleutian Islands and Continue Reading

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Dense Fog across the High Plains

Dense Fog Advisories blanketed the high plains earlier this morning, extending from Nebraska to Wyoming and northern Colorado. National Weather Service (NWS) Weather Forecast Offices (WFOs) published social media posts online to remind the general public of how dense the fog could be, with less than a 1/4 mile visibility possible across their respective County Continue Reading

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Nighttime Visible Imagery over the Atlantic

Over the past two weeks, a few hurricanes (Gabrielle, Humberto, and Imelda) traversed over the Atlantic Ocean, and either skirted along or directly impacted the United Kingdom (U.K.) territory of Bermuda. Nighttime visible imagery provided from the VIIRS Near-Constant Contrast (NCC) product captured the synoptic scaled systems across the Atlantic. Note, for the best optimal Continue Reading

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Typhoon Ragasa

Over the last 48-hours, Typhoon Ragasa barreled through the South China Sea and its forecasted to make landfall in the Guangdong Province of China by 24 September 2025. Chinese megacities like Hong Kong and Macao reside along the coastline of the Guangdong Province, and have been put on high alert of the incoming storm. Typhoon Continue Reading

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Rio Blanco County, Colorado – Wildfires

On 2 August 2025, two wildfires initiated in Rio Blanco County, located in western Colorado. As of 11 August 2025, the Lee Fire burnt over 116,000 acres with 7% containment. Within the past three days, the fire has rapidly moved to the south towards Garfield County that includes the town of Rifle, Colorado. At the Continue Reading

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Dragon Bravo Fire, Arizona

At the time of this blog entry, the Dragon Bravo Fire burned 130,000 plus acres along the Grand Canyon National Park’s North Rim and is only ~13% contained. The fire initiated on 4 July 2025 and several structures along the North Rim, including the historic Grand Canyon Lodge, have already been destroyed. The cause of Continue Reading

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A Tropical Upper Tropospheric Trough (TUTT) in Florida

The Tropical Upper Tropospheric Trough – TUTT (Sadler, 1976) is a trough or cyclonic circulation in the mid-upper troposphere located in tropical locations. Sadler defined the TUTT as an upper trough that lies between upper ridges in the subtropics and ridges in tropical locations. The TUTT is a complex system that often enhances convection along Continue Reading

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