Tuesday, July 27, 2010

Rain tomorrow? Yep.














The last couple of days have been great! Warm and sunny during the day followed by clear and cool nights. What a great combination! You may have noticed that it felt a little warmer stepping outside today compared to yesterday. It really wasn't much warmer but it was more humid. A southerly flow of wind delivered that added moisture and we'll continue to see the humidity rise into tomorrow ahead of a cold front...now that's a bad combination. You can see that cold front on the latest North American model run above. Whenever you have a cold front moving into a warm and humid area you have the potential for active weather. Does this mean we'll see a thunderstorm tomorrow? There's a chance...but no guarantee. I'm always concerned about approaching cold fronts after a sunny stretch but the models don't show anything too severe for our region. I expect a partly cloudy start to the day followed by showers starting early in the afternoon with 10-15mm of rain possible (likely only 5-10mm). As for a thunderstorm...the best chance for any activity would be mid-afternoon. We'll likely see things clear up by 9pm (hopefully earlier for Little Lake Music Fest) and the rest of the week looks great. Even though the there's no guarantee for active weather, be aware this same system did lead to a few tornado watches being issued in Northwestern Ontario. I'll keep you updated on CHEX and on Twitter tomorrow if Mother Nature decides to throw any "curve balls."

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