This Week's Weather (4/12)
Image: Midday Water Vapor map
Unsettled weather will greet us this week in the Borderland thanks to a powerful upper level trough across the West. Lower/middle atmosphere high pressure located over the lower Mississippi River Valley is pushing surface moisture up and along the Rio Grande Valley for the next several days. This will push the dryline, which typically stays to our east, as far west as the Continental Divide, at times. This is allowing the low levels of the atmosphere to moisten up with Gulf moisture. In the upstairs part of the atmosphere, we've got the aforementioned upper low. This storm, which is currently centered over California/Oregon coast, will send pieces of energy our way. These little "triggers" will act to incite occasional thunderstorms across the Borderland. Our rain chances will be spotty and can occur anytime this afternoon and this evening. Rain chances about 10 percent across El Paso, Las Cruces, into the White Sands area. Better chances for the Sacramento Mountains through the Guadalupes, including Culberson and Hudspeth Counties. Best moisture will slide east Tuesday, leaving only Culberson & Hudspeth Counties under the storm gun tomorrow. Moisture looks to seep back west Wednesday into the weekend with spotty storm chances each afternoon and evening through the rest of the period. With little to steer these storms, expect some heavy downpours and the possibility of flooding. However not everyone will see rain, and it's possible you may escape the week without rain.
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Note the storms, mainly to our east, Wednesday afternoon.