Author: Jennifer Kohnke

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Dear Tom, Since Chicago's weather turned cold in mid- October through the end of November, on how many days has the temperature reached or exceeded... [Read More]
Tags: October - normal
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Early Friday morning temperatures will likely be the coldest we have experienced since the middle of last February, generally in the 10 to 15-degree range.... [Read More]
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Rain, thunderstorms, snow and extensive cloudiness have marked the opening 3 days of December. During this period the city has logged a mere 4% of... [Read More]
Dear Tom, This November was one of the city's coldest and snowiest. Was it the worst? Thanks, Chuck Kennell Dear Chuck, Rating months in terms... [Read More]
Dear Tom, I have a question regarding the origin of the word "muggy". Why does it refer to warm and humid conditions? Thanks, R. Turnbull... [Read More]
Dear Tom, While watching the Florence pummel the Carolinas I noticed there was never any lighting with this storm. Is this normal for a hurricane?... [Read More]
Dear Tom, Rain chances are always given for a long period, like "today" or "tonight", but what is the chance at any given moment? It... [Read More]
Tags: today - chance - Chicago
Temperatures across much of the metro area returned to the 80s after a 6-day hiatus that included 5 straight days of below normal readings. Officially,... [Read More]
Dear Tom, What is the tornado season? Does it affect the hurricane season? Thanks, Sharon Bell Illinois Dear Sharon, The U.S. tornado and Atlantic Basin... [Read More]
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Chicago's is setting up for an extended run of September sunshine and warmth. Despite the city's first 100 percent sunny day in more than two... [Read More]
Forecasts covering the next 7 days will seem repetitive since Chicago, along with much of the Midwest and Great lakes region, can expect a prolonged... [Read More]
Dear Tom, I have friends who have a house on the Atlantic Ocean in South Carolina. Their house was severely damaged by a hurricane a... [Read More]
Dear Tom, You often refer to the amount of evaporated water of precipitable water in the atmosphere. How is this determined? Thanks, Gary Wickboldt North... [Read More]
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Dear Tom, Do hurricanes occur in the Southern Hemisphere? I've never heard of one landing in Brazil. Thanks, William Capper Morris Dear William, They do,... [Read More]
Dear Tom, Years ago our Navy flying club instructor cautioned that a two-point spread between temperature and dew point meant that precipitation was inevitable. Would... [Read More]
Dear Tom, Years ago our Navy flying club instructor cautioned that a two-point spread between temperature and dew point meant that precipitation was inevitable. Would... [Read More]
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