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Continued dry and seasonable weather this week, except for a 30% chance of thunder showers on Tuesday night and Wednesday as a weak trough traverses the state. These showers will be mostly to our east, however. Highs most days will be in the low seventies, with light winds.
Additional notes for the weather nuts out there:
October was dry over the southwest (see http://meteo.pr.erau.edu/daily/pmap_prec_pc_nam.gif), but wetter than normal in the eastern half of the USA. This was because of a persistent upper trough over the middle of the country (see http://meteo.pr.erau.edu/daily/pmap_h500_anom_nam.gif). This placed Arizona under northwest flow aloft, which results in sinking motion in the atmosphere and drier air. To the east of this trough, rising air and Gulf moisture resulted in wetter conditions. Precipitation can only occur when the air is rising, and rising air is most common east of upper troughs.
Last week’s cold snap brought the thermometer down to 11F at ERAU on Halloween morning. See http://meteo.pr.erau.edu/rcfield_week.gif
Have another wonderful week,
Met Mail is an unofficial weather discussion and forecast transmitted once or twice a week via e-mail by the Embry-Riddle Department of Meteorology (http://meteo.pr.erau.edu/). Embry-Riddle offers an undergraduate bachelor-of-science degree program in Applied Meteorology. Please spread the word to all potential qualified candidates!
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Official National Weather Service forecast