Weather

The National Weather Service has issued weather alerts for several regions through Tuesday.

Meteorologists rely on the work churned out by people they never see, who feed weather information to supercomputers all over the world.

The forecast for Thursday’s storm initially called for a mix of snow and rain.

The site pulls together information on street clearing and other snowplow work, and will eventually have real-time tracking of graders.

Municipal officials said they expected plowing on residential streets in neighborhoods to begin Tuesday evening and extend into Wednesday.

Slick roads and tricky driving were reported throughout Anchorage and Mat-Su.

Some roads in the Matanuska and Susitna valleys had patches of black ice or were glazed over with ice on Tuesday. The school district shifted to remote learning for a Sutton school.

The forecast called for the Mendenhall River to crest at around 11 to 11.5 feet early Monday, the weather service said.

High winds were forecast across the city starting Saturday night, with gusts up to 80 mph possible on the Hillside and along Turnagain Arm.

The heavy rain had ended by late afternoon, creeks were receding and the weather service said flood danger had passed.

Between 4 and 5 inches of rain had already fallen in Seward by Wednesday afternoon.

The water came on fast and unexpectedly — and then disappeared.

Some parts of Anchorage could see wind gusts up to 65 mph, the National Weather Service said.

Through Turnagain Arm, southeasterly winds of 20 to 30 mph were possible from Friday night through Saturday afternoon with gusts around 30 to 40 mph.

Water in Bethel and several villages along the lower river reached the highest levels recorded in nearly 20 years, officials say.

The National Weather Service said precipitation is expected to fall as rain in the Anchorage Bowl until Friday.

Experts use measuring sticks and tanks in regular intervals to monitor snowfall as this season’s total approaches an all-time high.

A trace of snow fell during the day Friday in West Anchorage, where the National Weather Service keeps official records, but there’s more expected early next week.

A high wind warning remained in place through Sunday morning for Anchorage, with possible gusts up to 60 mph in the Anchorage Bowl.

The National Weather Service was warning of winds up to 55 mph in the Anchorage Bowl starting Saturday.

The Northern Hemisphere’s spring — or vernal — equinox can land between March 19 and 21, depending on the year.

Heavy snow was falling Tuesday morning near Girdwood and Portage, causing difficult driving conditions.

An Arctic airmass is bringing winds expected to make it feel like it’s 20 to 40 degrees below zero in much of Southcentral Alaska, the weather service said.