A long-duration, early-season snowstorm began Tuesday afternoon, October 24, 2023, across portions of the Pacific Northwest, Northern Rockies, and Northern High Plains. Moderate to heavy snowfall is forecasted for these locations over the next few days. Heavy snow bands will likely result in hazardous travel conditions and poor visibility.
On October 22, 2023, Fairbanks, Alaska experienced an uncommon surge in snowfall, with the National Weather Service (NWS) Fairbanks office recording 8.9 cm (3.5 inches) of snow on that day alone. The snow depth in the region has reached 22.9 cm (9 inches), pushing the seasonal total to a remarkable 36.3 cm (14.3 inches), which is nearly double the usual amount for this time of year.
An early winter storm is set to impact the Northwest and Northern Rockies starting late Tuesday, October 24, 2023. The event, forecasted to bring heavy snowfall and strong winds, will extend into the Northern High Plains by Wednesday.
On October 12, 2023, two long-track tornadoes swept through parts of Tampa Bay, Florida, U.S., significantly affecting Citrus, Pinellas, and Pasco counties. The early morning twisters caused extensive damage, leading to road closures and class cancellations in Citrus County.
Several Atmospheric Rivers (ARs) are set to influence the coasts of Washington, Oregon, and Northern California starting Friday, October 13, 2023, and lasting through the following week. This sequence of weather events is forecasted to bring considerable rain, though no rivers are expected to exceed flood levels.
Over the next couple of days, the focus of impactful weather in the United States will shift into the northeastern region where a deepening upper-level trough is forecast to interact with the circulation associated with Tropical Storm “Philippe” currently moving northward across the western Atlantic toward Bermuda.
A storm system exiting the West will trigger widespread severe thunderstorms across the Plains on Tuesday. These storms are expected to produce large hail, damaging winds, heavy rain, possible flooding and a couple of tornadoes across the region. Ahead of this sprawling system, a number of record high temperatures are possible from the Upper Mississippi Valley and Great Lakes into the Northeast.
Record-breaking rainfall submerged streets and disrupted travel across the New York City metropolitan area on September 29, 2023. The deluge set new daily records and made this month the wettest September in New York City’s recorded history.
Tropical Storm “Ophelia” made landfall near Emerald Isle, North Carolina, around 10:15 UTC on September 23, 2023, with maximum estimated winds of 110 km/h (70 mph). The storm has since weakened into a post-tropical low but continued to pose a flooding risk across the Mid-Atlantic.
Meteorologists are closely monitoring a low-pressure system currently situated off the southeastern coast of the United States. Currently known as Potential Tropical Cyclone Sixteen, the system is expected to strengthen into a full-fledged tropical storm by the time it makes landfall in North Carolina on Saturday, September 23, 2023.
