After reports of increased seismicity and light emissions at Pagan volcano, Mariana Islands1 at the end of July 2021, low-level volcanic gas and ash emissions were observed on September 1, prompting NMI/USGS to raise the Aviation Color Code to Orange and the Volcano…
As the remnants of Tropical Cyclone "Ida" move into the northeast U.S., potentially life-threatening flash flooding is possible Wednesday into early Thursday, September 1 and 2, 2021, across portions of the Mid-Atlantic to Southern New England. In…
A rare August snowfall blanketed swathes of Chile's Atacama desert on August 25, 2021, with parts of it reportedly receiving as much as 82 cm (32 inches). "This does not occur yearly. Maybe a relatively important snowfall like the one today can happen…
More than 1 million homes and businesses in southern Louisiana remain without power after Hurricane "Ida" caused 'catastrophic' damage to the power grid over the weekend.1 Ida is the second most intense hurricane on record to hit Louisiana, only…
An intense cold front associated with a steep upper-air trough affecting parts of South Africa from August 26 to 30, 2021, brought heavy rains, disruptive snow, and cold temperatures.1 The front lashed Western Cape before moving to other parts of South Africa,…
A G1 – Minor geomagnetic storm watch is in effect for September 1 and a G2 – Moderate for September 2, 2021. The geomagnetic field is expected to be at quiet to unsettled conditions on August 31 due to the delayed anticipated passage of the August 26th coronal mass…
A strong and shallow earthquake registered by the USGS as M6.3 hit the Kermadec Islands region at 02:52 UTC on August 31, 2021. The agency is reporting a depth of 16 km (10 miles). EMSC is reporting M6.3 at a depth of 10 km (6.2 miles). The epicenter was located 984…
The entire South Lake Tahoe, El Dorado County, California is under an evacuation order on Monday, August 30, 2021, due to the rapidly spreading Caldor Fire. A Red Flag Warning is in effect for the eastern Sierra and western Nevada through September 1. Authorities…
Category 1 Hurricane "Nora" made brief landfall along the coast of Jalisco, Mexico around midnight UTC on August 29, 2021, with maximum sustained winds of 130 km/h (80 mph) and a minimum central pressure of 980 hPa. Rainfall from remnants of Nora is…
After about 3 weeks of calm, activity at Etna volcano, Italy intensified again around 15:00 UTC on August 29 with a transition to lava fountaining at 16:45 UTC, marking the volcano's 50th paroxysmal eruptive episode since February 16, 2021. The strong explosive…
