A strong early-season snowstorm pounded several parts of the United States in the first half of October. The unusual weather set records, with snowstorm blanketing the Northern Rockies and Northern Plains. Meanwhile, blizzard conditions have hit Dakota, while Denver…
Critical to extremely critical fire weather conditions continue on Friday across portions of Southern California due to gusty winds and a very dry airmass. These conditions should subside by the weekend as an upper level trough approaches the region. The setup has…
Winds from the same storm set bringing another round of cold air and heavy snow to the interior Northwest increase wildfire ignition threats and spread over California. As a safety precaution, electricity will be turned off for some parts of California on October 9,…
A series of unusual weather events hit the city of Davis, California, on September 28 and 29, 2019. Thunderstorms swept through the state's central part, producing dime-sized hail. A tornado was also spotted near the area. The tornado touched down at 18:40 LT…
The seismic activity that started early July 6, 2019 at the southern margin of Coso Volcanic Field in Inyo County, California continues at a rate of about 600 M1.0 or greater earthquakes per day. The activity was triggered by a magnitude M5.4 earthquake at 04:19…
The USGS has issued its Aftershock Forecast following M7.1 Ridgecrest, CA earthquake at 03:19 UTC on July 6, 2019. An updated version issued 02:55 UTC, July 7 is posted below and marked Update. Over the next 1 week, there is is a 3 % chance of one or more…
A very strong and shallow earthquake registered by the USGS as M7.1 hit Southern California at 03:19 UTC on July 6, 2019 (20:19 local time, July 5). The agency is reporting a depth of 17 km (10.5 miles). EMSC is reporting M7.1 at a depth of 10 km (6.2 miles). This…
A strong and shallow earthquake registered by the USGS as M6.4 hit Central California at 17:33 UTC (10:33 local time) on July 4, 2019. The agency is reporting a depth of 8.7 km (5.4 miles). EMSC is reporting M6.4 at a depth of 2 km (1.2 miles). At least 160…
Sky watchers in the San Francisco Bay Area, California witnessed an extraordinary display of noctilucent clouds (NLCs) on June 9, 2019. As these clouds are typically confined to latitudes above +55 N and San Francisco is at +38 N, this marks one of the…
Tar and what appears to be natural gas has begun to ooze onto the sidewalk on the Miracle Mile near the La Brea Tar Pits, Los Angeles, California on Saturday, June 8, 2019. The La Brea Tar Pits are a group of tar pits around which Hancock Park was formed in urban…
