LAS CRUCES, NEW MEXICO — A significant flash flood threat targets southern New Mexico and West Texas today, Tuesday, September 22, as a potent, multi-day heavy rainfall event begins, according to an Excessive Rainfall Outlook from Max Velocity, updated at 3:06 a.m. CDT. Surging tropical moisture and easterly upslope winds will spark scattered thunderstorms throughout the day, and while these initial storms will bring a localized flash flood risk this afternoon, the primary threat is expected to rapidly escalate overnight.
Roswell and Las Cruces Sit at the Heart of Today’s Moderate Risk
If you’re in Roswell or Las Cruces, you’re positioned directly inside today’s highest-category Moderate Risk zone, carrying at least a 40 percent chance of numerous flash floods within 25 miles of any point. This prolonged deluge has prompted forecasters to flag scattered to numerous instances of flash flooding across your area, making today and tonight a genuinely dangerous stretch rather than just a passing storm or two…