San Mateo

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Areas along and west of the central mountain chain including the west slopes of the Sangre de Cristo's, the Sandia/Manzano Mountains, and the south-central mountains, as well as the Rio Grande Valley westward to the Arizona border. Some metro areas and locales include, Albuquerque, Santa Fe, Espanola, Taos, Socorro, Ruidoso, Los Alamos, Grants, Gallup, and Farmington. * WHEN...From Monday morning through late Tuesday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - A near-record to record surge of monsoonal moisture combined with two merging storm systems will bring a prolonged multi- day period of showers and thunderstorms producing moderate to heavy rainfall. Combined with already rain soaked ground conditions, there is a high risk of flash flooding. - Low-lying, poorly drained areas, urban areas and arroyo systems will be most susceptible. Near rivers and streams will see rises, potentially reaching flood stage. Recent burn scars including the Ruidoso area burn scars, Frijoles, Sacaton, Hummingbird, and Whiskey burn scars. - http://www.weather.gov/safety/flood You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.