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Labor Day weekend update

Since the rain is already falling ahead of schedule it seems pointless to mention there is a good chance of rain today (Saturday), but this is only the beginning of a fairly wet period for us.  Before the remnant moisture and circulation from Isaac show up on our doorstep a “backdoor” cold front is pushing into the region and setting off the current shower activity.  {It is labeled as a “backdoor” front because it is settling southward out of Pennsylvania and Maryland instead of punching across the mountains from the west or northwest like most cold fronts.]  The position of this front over Fredericksburg at 8:00 p.m. tonight is illustrated in this HPC graphic:

This front won’t move very far south of the ‘Burg before it stalls out, creating a situation in which (a) the showers it creates never move out of the area and (b) the remnant circulation of Isaac moves eastward along it like a highway in the sky.  This one-two combination means a lot of rain for the next few days especially Sunday night into Monday (Labor Day), which will likely spoil a lot of outdoor plans for the holiday.

In fact, the five day HPC forecast for potential precipitation shows the ‘Burg on the receiving end of up to 3 or more inches of rain by Thursday morning as shown in the red shading over the city in this graphic:

This moisture will clear out late this coming week, but that’s a later topic.  Meanwhile, enjoy your holiday weekend!

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