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Weather Alert Detail

  • Flash Flood Watch for Northwestern San Juan Mountains County, Colorado
  • Flash Flood Watch issued August 11 at 3:20PM MDT until August 12 at 12:00AM MDT by NWS
  • Effective: Tuesday, August 11, 2015 at 3:20 p.m.
  • Expires: Wednesday, August 12, 2015 at midnight
  • ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT MDT
    TONIGHT...
    THE FLASH FLOOD WATCH CONTINUES FOR
    * PORTIONS OF COLORADO AND UTAH...INCLUDING THE FOLLOWING
    AREAS...IN COLORADO...ANIMAS RIVER BASIN...FOUR CORNERS/UPPER
    DOLORES RIVER...NORTHWEST SAN JUAN MOUNTAINS...PARADOX
    VALLEY/LOWER DOLORES RIVER...SAN JUAN RIVER BASIN...SOUTHWEST
    SAN JUAN MOUNTAINS AND UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE.
    IN UTAH...ARCHES/GRAND FLAT...CANYONLANDS/NATURAL BRIDGES...LA
    SAL AND ABAJO MOUNTAINS AND SOUTHEAST UTAH.
    * UNTIL MIDNIGHT MDT TONIGHT
    * ABUNDANT MONSOONAL MOISTURE WILL BRING WIDESPREAD SHOWERS AND
    THUNDERSTORMS THROUGH THIS EVENING. HEAVY RAIN IS EXPECTED
    WITH THE STRONGEST STORMS.
    * THE FLASH FLOOD THREAT IS GREATEST FOR SMALL STREAMS...
    CREEKS...NORMALLY DRY WASH BEDS...SLOT CANYONS...SLICK ROCK
    AREAS...AND BURN SCARS. HEAVY RAINFALL CAN ALSO CAUSE MUD
    DEBRIS FLOWS AND ROCKSLIDES.