WEATHER »
  • Flash Flood Watch for Northern San Joaquin Valley County, California
  • Flash Flood Watch issued August 09 at 1:19PM PDT until August 09 at 10:00PM PDT by NWS
  • Effective: Wednesday, August 9, 2017 at 1:19 p.m.
  • Expires: Wednesday, August 9, 2017 at 10 p.m.
  • ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM PDT THIS
    EVENING...
    The Flash Flood Watch continues for
    * Portions of northeast California and Nevada.
    * Until 10 PM PDT this evening
    * An upper low and abundant moisture will provide a threat for
    flash flooding through this evening.
    * The highest potential for flash flooding will exist mainly north
    of Interstate 80 with lesser chances to the south where drier
    air can be seen filtering into the region. Strong outflow winds
    and small hail are more of the threat for these southern areas.
    * Steep terrain, recently burned areas from wildfires, and areas
    which have already received heavy rainfall since last weekend
    will be especially at risk for flash flooding and debris
    flows.

  • Flash Flood Watch for Northern San Joaquin Valley County, California
  • Flash Flood Watch issued July 08 at 2:27AM PDT until July 09 at 12:00AM PDT by NWS
  • Effective: Wednesday, July 8, 2015 at 2:27 a.m.
  • Expires: Thursday, July 9, 2015 at midnight
  • ...FLASH FLOOD WATCH IN EFFECT FROM 1 PM PDT THIS AFTERNOON
    THROUGH MIDNIGHT TONIGHT...
    THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A
    * FLASH FLOOD WATCH FOR A PORTION OF NORTHERN CALIFORNIA...
    INCLUDING THE FOLLOWING AREAS...NORTHERN AND EASTERN SHASTA
    COUNTY AND THE UPPER WEST SLOPE NORTHERN SIERRA NEVADA.
    * SOUTH OF INTERSTATE 80, THE HIGHEST RISKS ARE FROM 1 PM TO
    ABOUT 6 PM.
    * NORTH OF INTERSTATE 80, THE HIGHEST RISKS ARE FROM AROUND 4 PM
    TO ABOUT 12 AM.
    * SLOW MOVING THUNDERSTORMS WITH HEAVY RAINFALL ARE FORECAST TO
    DEVELOP OVER THE SIERRA EARLY THIS AFTERNOON, AND EXPAND NORTH
    AND WESTWARD INTO SHASTA COUNTY DURING AFTERNOON AND EVENING.
    * STORMS HAVE ALREADY PRODUCED SOME HEAVY RAINFALL OVER THE PAST
    SEVERAL DAYS WITH LOCALIZED FLASH FLOODING. THE WATCH INDICATES
    THAT THE INGREDIENTS ARE THERE TO CREATE STORMS WITH HEAVY
    RAINFALL AND FLASH FLOODING, BUT NOT A GUARANTEE THOSE STORMS
    WILL DEVELOP.

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