This Presidential Election Day to run 26-degrees cooler than in 2008; clouds and some rain arrive toward afternoon


What a difference in our weather compared to Election Day four years ago! At that time, Chicagoans basked in unseasonable warmth. Election Day 2008 produced a 71-degree high, a reading 26-degrees warmer than Tuesday’s predicted sub-par 45-degree high. That temperature falls well below the 53-degree level considered normal.



70s, like those recorded last Election Day, haven’t been typical in Presidential election years here. Of the 35 early November Election days for which we have detailed Chicago records, 22 (or 63 percent of them) have reported at least sprinkles. Of that group, 17 (48 percent) recorded measurable rain.



Light rain’s on the way by afternoon despite the sunshine with which this Election Day has opened. Clouds are predicted to fill back in and sprinkles or patches of light rain are likely to arrive around or shortly beyond the lunch hour. Low dew points mean the rain will initially fall into dry air which will force it to evaporate and cool. This evaporation may take temperatures down to near freezing through “evaporative cooling” just above the ground which could allow some ice pellets to mix with the rain at some locations.


November’s open running 8-degrees behind a year ago


November continues a trend of below normal meteorological autumn temperatures which started with September’s arrival. Each autumn month this season has posted temperature deficits.



At 40.8-degrees, the opening five days of November 2012 are running 5.4-degrees below normal and a whopping 8-degrees behind a year ago.



Chicago area in the midst of its longest string of consecutive below-normal days in more than 3 years
With Tuesday’s predicted high at just 45-degrees, the Chicago area moves into a 12th consecutive day of below normal temperatures. That’s the longest string of consecutive below normal days in over 3 years!



As Mid-Atlantic and Northeast nervously monitor a powerful northbound nor-easter, research on last week’s Hurricane Sandy reveals a storm more powerful than Katrina, Andrew and Hugo



A powerful “nor-easter” is threatening to come together over the western Atlantic and move northeast. The precise track the system follows will dictate the severity of its impact on the Mid-Atlantic shoreline so hard hit by Sandy last week.



As it looks now, gusts of 40 to 65 mph gusts may sweep shoreline locations generating huge swells and above-normal tides. Serious erosion and flooding high tide levels are being predicted. So is snow just inland and away from the coast.


All this comes as University of Miami research underscores the power of Hurricane Sandy.  The storm produced more total wind energy than hurricanes Katrina, Andrew and Hugo, and produced more energy than would have been produced by two Hiroshima-strength atomic bombs.




















Buckling jet stream to Chicago’s west sets the stage for push of unseasonable warmth this weekend; temps, including late-season 70-degree readings, may approach records


A southward-surging buckle in North America’s jet stream pattern appears primed to turn steering winds above Chicago to the southwest this weekend. This sets the stage for unseasonable September-level warmth which is to include near-record 70-degree daytime temperatures Saturday and Sunday.