


Hydrometeorological Discussion
Issued by NWS Tuscaloosa, AL
Issued by NWS Tuscaloosa, AL
666 AGUS74 KWCO 151456 HMDNWC National Hydrologic Discussion - EXPERIMENTAL NWS National Water Center - Tuscaloosa AL 1015 AM CDT WED OCT 15 2025 .Synopsis... Flood threat continues for portions of Colorado and New Mexico... Isolated flash and urban flooding possible this weekend for the Lower Mississippi and Lower Ohio Valley... .Colorado and New Mexico... Showers and thunderstorms are expected to continue over the San Juan Mountains and Upper Rio Grande Valley (CO) through this evening, where recent heavy rainfall has already produced significant flooding impacts over the past few days. While rainfall totals will be lower than in recent days, additional rain on saturated soils and full waterways will prolong flooding concerns. Farther south, flooding of small creeks, streams, arroyos, and low-lying areas remains possible across portions of north-central NM where repeated rounds of locally heavy rainfall occur. Flash flooding should be limited, but isolated instances may still develop, especially near recently burned areas. .Lower Mississippi and Lower Ohio Valley... Periods of locally heavy rainfall may lead to isolated instances of flash and urban flooding this weekend across portions of the region. Confidence is low regarding which areas may see hydrologic responses, if any, due to uncertainties in the placement and magnitude of the QPF. Nonetheless, antecedent conditions remain very dry, and the progressive nature of the event will help mitigate widespread hydrologic responses, limiting any potential flooding impacts to urban and other flood-prone areas. //Freeman $$