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Minor flooding in Longmont yesterday Thanks to very tame easterly winds through much of atmosphere, yesterday evening's slow-moving storms produced some sizable rainfall totals in a few isolated locations. Nearly 2" of rain fell in eastern Longmont causing minor flooding. We did promise heavy downpours didn't we? Most locations north and west of Denver saw a few bursts of light …

A "juicy" atmosphere today The weather system we have been discussing all week long will make its closest approach to Colorado today as it slowly wobbles across northern New Mexico. The weak circulation at 6PM today can be seen at 500 mb below. The key factor resulting from this low pressure will be an influx of deeper moisture from the …

Another day of spotty storms The weather set-up has changed very little in the last day or three across northeast Colorado. A slow-moving cut-off low pressure system continues to meander around the Baja area this morning, with weak southerly flow pushing into our region ahead of this system. Similar to yesterday, there is enough moisture that solar heating will kick-off widely …

Elevated Risk of Severe Storms Today! Very similar pattern across the area today and this evening. However, the pattern is slightly more elevated for a good threat of severe thunderstorms. Below shows the pattern this afternoon. That pesky cutoff low pressure system is situated across southern California. It continues to pump in warm and moist air into New Mexico and Colorado …

We start off the weekend and the first day of June with highs in the middle 70's. This is right where we should be this time of year. Boulder's average high is 74 degrees on June 1st. How about that for normalcy? The pattern below will be with us throughout the weekend. A mid-level shortwave is present in southern California. …

Happy Friday! Another quiet day overall, similar to yesterday. There is yet another cutoff system to our southwest in California (bottom). A weak trough axis is also present north-south from South Dakota into New Mexico (green dash line). The cutoff system will be advecting in some weak shortwaves into western Colorado this afternoon and evening. We will see mostly sunny …

An end to the active pattern? We're moving into a period of slightly drier weather these next few days as Colorado resides between storm systems. The departing storm which brought the precipitation earlier in the week is now headed towards the Northeast. A secondary cut-off low will meander into southern California slowly over the next four to five days. As this …