A potent storm system is forecast to slam into the Northwest U.S. this week, unleashing late-season snowfall, rain, and thunderstorms for the region. The long-duration snowstorm is set to develop along the northern Rockies and the Bitterroot Range Wednesday night,…
A widespread and significant flood risk continues across the south-central U.S. from repeated rounds of intense rain and strong to severe thunderstorms. Flash flood watches are in effect for a large part of the ArkLaTex. Officials in Louisiana said Tuesday they are…
Several small explosions were detected at Semisopochnoi volcano, Alaska on May 18, 2021, and a small ash cloud was observed in a satellite image acquired at 23:21 UTC on May 17. As a result, the Alaska Volcano Observatory (AVO) has raised the Aviation Color Code to…
The water crisis along the California – Oregon border has reached catastrophic levels, on course to becoming the worst in generations amid historic drought in the area. Federal regulators have shut off irrigation water to farmers, severely impacting the agricultural…
Severe storms lashed parts of Texas and Louisiana over the past days, prompting the National Weather Service (NWS) to declare a flash flood emergency. Widespread flooding was reported throughout Lake Charles, which saw its third wettest day on record on Monday, May…
A daylight fireball was recorded over Southern California, U.S. at around 02:19 UTC on May 14, 2021. The American Meteor Society (AMS) received 34 reports and 1 video. Daylight fireball over California on May 14, 2021 – heatmap + trajectory. Credit: AMS Featured…
A damaging tornado swept through uptown New Orleans, Louisiana early Wednesday morning (LT), May 12, 2021, as severe thunderstorms rolled over the area. This was the only tornado in the U.S. on May 11, the first to hit New Orleans since July 2019 and the 10th since…
Above-background activity has been observed at the Great Sitkin volcano in Alaska, prompting the Alaska Volcano Observatory to raise the Aviation Color Code to Yellow and the Volcano Alert Level to Advisory on May 13, 2021. Elevated surface temperatures have been…
Scientists at the USGS Hawaiian Volcano Observatory are tracking changes on the Mauna Loa, the world's largest volcano. This volcano is currently not erupting, but there have been signs of elevated unrest above known background activity since July 2019, when HVO…
The latest version of the federal United States Drought Monitor map has put much of California's San Francisco Bay area under the extreme drought, as of Thursday, May 6, 2021. The dry conditions also placed almost 3.7 million ha (9.3 million acres) of land under…
