Dr. John Snook

John Snook obtained a BS (1980) and MS (1982) in meteorology at the University of Wisconsin – Madison.
Dr. Snook completed a PhD (1993) in atmospheric science at Colorado State University.

John moved to Colorado in 1984 and worked as a meteorologist for 15 years at a NOAA applied research lab in Boulder. John worked closely with the National Weather Service to implement numerical weather prediction techniques in local forecast offices. He helped to implement a local weather prediction system at the 1996 Olympic Games in Atlanta and received a NOAA bronze medal for his efforts.

John moved to private industry in 1999, working for Colorado Research Associates and then co-founded Foresight Weather. Foresight Weather developed computer modeling techniques designed to provide detailed weather forecasts tailored for the energy industry. These same techniques were also applied to the highway winter maintenance and fire weather communities.

John continues to specialize in computer weather modeling applications for various industries, and also spends time in winter working as avalanche forecaster for the Colorado Avalanche Information Center.

September 16 - Long Range Summary

Summerlike heat and humidity are of high confidence to predominate the Eastern half of the U.S. through the remainder of September, albeit with noticeable fluctuation in geographic focus and intensity. This week starts much as last week ended with record and near record high temperatures across most of the South from Texas to Georgia (upper 90s-low 100s), while the Northwest remains coolest. However, more Southern heat is already spreading northward into the northern Plains and Upper Midwest, and all models agree mid 80s will predominate the entire week in Chicago (11°-15° above average). New England and portions of upstate New York will remain seasonal to slightly cool for most of this workweek, and some of this cooler air will drain southward along the Eastern Seaboard bringing temporary midweek relief to portions of the Southeast (1-2 days of near seasonal temperatures). However, by the end of this workweek an extended period of extreme heat is forecast to return to the East, this time to include the Northeast in the form of mid-upper 80s for several consecutive days persisting into the start of the following week (Sep 23). After that models differ substantially in timing and strength of cooler lobes of air shifting across the Northeastern quadrant of the U.S. through the final week of September, while greater forecast consensus exists in resumption of above average warmth across the West. Some degree of Eastern cooling is likely by the 11-15 day period, but prior operational model forecasts of widespread or prolonged below average temperatures during the 1st half of September failed to verify. This adds confidence to warmer 30-day MWA Ensemble forecasts which maintain very mild conditions across most of the U.S. well into the 1st half of October to further delay the start to fall. However, at the same time latest forecasts also indicate major high latitude pattern change in Canada setting the stage for a cold 2nd half of October across the Eastern U.S.


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