Temperature Forecasts, Cherry Blossoms and Covid-19

Reposted from The Cliff Mass Weather Blog To start on a positive note, the Cherry Blossoms are in full bloom on the UW Campus, with the visual effect enhanced by the beautiful, sunny weather.  (I should note that the UW is not encouraging folks to visit the blosssoms in person). There is a lot of…

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No end in sight to the Alaska cold

*No end in sight to the Alaska cold* Overview Recent winters have been generally warmer-than-normal in Alaska, but the cold this season has been harsh and unrelenting.  The forecast for the next couple of weeks doesn’t look all that promising either as colder-than-normal conditions should persist as we transition from January to February. In general,…

Arctic blast has arrived in the eastern US…numerous record low temperatures by early Wednesday

Guest post by Paul Dorian, *Arctic blast has arrived in the eastern US…numerous record low temperatures by early Wednesday* Overview The strong cold front representing the leading edge of a widespread Arctic air mass passed through the DC-to-Philly-to-NYC corridor early this morning and temperatures have fallen into the 30’s from early day highs.  Precipitation is…

We now do weather reporting based upon polls

From Reuters U.S. Democrats and Republicans can’t even agree on the weather: Reuters/Ipsos Maria Caspani NEW YORK (Reuters) – Only 200 miles separate Michael Tilden and Miranda Garcia in rain-soaked Iowa. But they are worlds apart when it comes to their opinion of the weather. The contents of grain silos which burst from flood damage…

Using artificial intelligence to better predict severe weather

Researchers create AI algorithm to detect cloud formations that lead to storms Penn State When forecasting weather, meteorologists use a number of models and data sources to track shapes and movements of clouds that could indicate severe storms. However, with increasingly expanding weather data sets and looming deadlines, it is nearly impossible for them to…

Aging weather stations contribute to high temperature records

New paper finds that aging weather stations record much higher daytime temperatures, 1.63°C higher than new stations While we are all watching the heat wave developing in the US southwest, here is something to consider. Albedo on the surfaces of weather station shelters changes with time, something I and the volunteers have documented with the…