Tag: united states weather

Wind turbines against a sunset sky, via Xcel Energy
October 15

Climate Models Hint at Mild Bias Into January – Worst California Drought Since Late 1800s

Pete Schenck Thursday Conditions, 11 am CDTmesonet.org Frigid West, Warm East – Nation Divided Between Clash of Seasons. Capital Weather Gang has a good summary of some of the crazy extremes we’re witnessing around the USA: “An active jet stream is slicing across the center of the country and bringing a wild clash of seasons, with unseasonable warmth in the East and a frigid taste of winter in the West. Parts of the Rockies and western Plains are digging out from feet of snow that fell Tuesday and Wednesday, while a renewed dose of summer spreads over the Mid-Atlantic, Southeast...

Lock bride in park during fall
October 7

Fall Color Factors, As Explained by Paul Douglas!

The leaves are leaving, but not before a brilliant, Technicolor explosion of color! Why do leaves even change color? As the days get shorter in the fall, there is less sunlight for photosynthesis. Plants convert carbon dioxide in the air into sugars (glucose and starch) and oxygen by using energy from the sun through the process of photosynthesis. Chlorophyll is the green pigment necessary for photosynthesis. A decrease in photosynthesis that comes with less daylight means trees stop producing chlorophyll. As the green pigment fades over time other pigments present in the leaf are revealed, producing a veritable explosion of...

October 7

Fall On Hold For Much of USA – Disaster Fatigue – Calculating Your Home’s Flood Risk

Weather BlissPaul Douglas Weather Models Are Only A First Guess My father still thinks I forecast weather by looking out a west-facing window. I have nothing against using an “Amish Doppler” to gauge the current state of the clouds and sky. To be able to predict the future one needs to first grasp the present. Meteorologists have dozens of weather models to choose from. Which one works best in a pattern like this? What are the trends in models (wetter, drier, warmer, etc?). George Box said “all models are wrong, but some are useful”. They are merely a guide, not...

Trees by Paul Douglas
September 22

30% of USA Impacted by Extreme Heat – Timeline of Most Disruptive Weather – Odds Favor Milder Than Average Autumn for Much of Nation

File image near Pequot LakesPete Schenck So Why Do We Call This Season “Fall”? Today at 2:21 pm the sun’s direct rays will fall on the equator, marking the official start of autumn. Which is all fine and well, but if you look at the 90 warmest days of the year, on average, “Meteorological Fall” really started back on September 1. The term “fall” may be a contraction of Middle English expressions like “fall of the leaf” or “fall of the year”. And if anyone asks, sex drives apparently peak in the fall. More people go from “single” to “in...

April 8

Tracking Western U.S. Drought Trends – Climate Change a Factor for Some Home Buyers

Trending Closer to Average by Late April. After next week’s cool correction a zonal flow should lure the mercury to, or just above, average by the last week of April, highs mostly in the 50s with a few 60s possible. Summer Temperature Anomaly ProbabilitiesNOAA Climate Prediction Center Extended Wish-Cast: A Stinking Hot Summer? Confidence levels are very low, but NOAA’s Climate Prediction Center’s suite of long range climate models suggests high confidence for warmer than average temperatures for much of the USA for June, July and August. Interesting data points, but I wouldn’t wager any money on that bet just...