Weather - Forecast

Jul 24, 2013 9:33 AM by Stephen Bowers

Rain returning to Colorado

After a warm and overall dry Monday and Tuesday in Southeastern Colorado, a change in the weather pattern means rain will return beginning today.

Moisture has increased. Morning dew point temperatures, which measure the water vapor (moisture) content of the air are in the 60's! That's not only up from the 40's in the last 24 hours, that's also more normal for Florida than it is for Colorado. Satellite data and data from the weather balloon launch also suggest the moisture is not limited to the layer of the atmosphere nearest the ground, but rather that moisture extends high into the atmosphere.

That deeper and more abundant moisture combined with rising motion from an upslope breeze and some wind energy in the upper levels of the atmosphere will mean rain. The rain will be in the form of scattered showers and thunderstorms, so some areas could miss out. Where rain does fall, it could be heavy. If the heavy rain occurs on the burn scars, flash flooding could be a concern. 

Rain will begin in the mountains west of I-25 by late morning or early afternoon and then begin to spread out along the I-25 corridor by mid-to-late afternoon. After early evening, the showers and thunderstorms will fade away into the night only to redevelop on Thursday and again still on Friday.

Other than pop-up thunderstorms in the heat of the afternoons, Saturday and Sunday will dry out and temperatures will warm. The warming and drying trend will continue early next week.

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