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Blue
Northers occur multiple times per year. They are usually recorded between the months of November and March, although they have been recorded less frequently in October and April as well. The Blue Norther phenomenon is especially common in November, when the last vestiges of autumn are still
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to plunge into the teens. Depending on the time of year, high temperatures that immediately precede a Texas
Norther can reach 85 °F (29°C) or even 90 °F (32°C) under bright sunlight in nearly-calm conditions before the cold front approaches.
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marked by a rapid drop in temperature, strong winds, and dark blue or "black" skies. The cold front originates from the north, hence the "norther", and can send temperatures plummeting by 20 or 30 degrees in merely minutes.
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and the arctic. Multiple times per year conditions will become favorable to push severe cold fronts as far south as
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lacks natural geographic barriers to protect itself from the frigid winter air masses that originate in
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This article is about the weather phenomenon. For the racehorse, see
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clinging to life. One of the most famous Blue
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However, most Blue
Northers don't advance as far south as
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208:Great Blue Norther of November 11, 1911
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