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Powerful Nor'easter To Wallop Parts Of The Northeast and New England

A powerful Nor'easter and winter storm is expected to wallop eastern parts of the Northeast and New England this weekend. Plenty of hazards are expected to impact the Northeastern U.S. from heavy snow, with significant accumulations expected, to high winds and coastal issues. The combination of the intense snow and strong winds will result in blizzard conditions, especially along coastal areas. Read More >

High temperatures throughout Central California Saturday afternoon and Sunday afternoon will be three to five degrees above normal for this time of year.
High temperatures throughout Central California Saturday afternoon will be two to four degrees above normal for this time of year. Here are probabilities of maximum temperatures of 60 degrees or higher for select locations in the San Joaquin Valley on Saturday, January 29th, 2022.
High temperatures throughout Central California Sunday afternoon will be two to four degrees above normal for this time of year. Here are probabilities of maximum temperatures of 60 degrees or higher for select locations in the San Joaquin Valley on Sunday, January 30th, 2022.
High temperatures throughout Central California Monday afternoon will be three to five degrees cooler than Sunday afternoon. Maximum temperatures across Central California Tuesday afternoon will be near normal for this time of year.

 

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Upper Air Observations


Decoded Upper Level Winds

Plotted Upper Air Soundings

GOES Derived Atmospheric Vertical Soundings

Alternate Sources for Upper Air Soundings
Ohio State

California Wind Profiler Data Can be Found Here

Why Do Forecasters Still Rely on Weather Balloons?

Twice every day, from nearly 100 locations in the United States, the National Weather Service launches weather balloons, carrying instrument packages called radiosondes. Radiosonde sensors measure upper-air conditions such as atmospheric pressure, temperature and humidity, wind speed and direction. The data is important for aviation safety, and meteorologists use radiosonde information to prepare weather forecasts.