weather and hydro 2014 outlook
DESCRIPTION
Weather and Hydro 2014 Outlook. Latah County LEPC 2 /13/2014 John Livingston National Weather Service, Spokane. What’s happening now? . Wet, Warm, and Windy! . Current Flood Hazards. Ponding water from rain & snowmelt that can’t soak into frozen ground. - PowerPoint PPT PresentationTRANSCRIPT
Weather and Hydro2014 Outlook
Latah County LEPC2/13/2014
John LivingstonNational Weather Service, Spokane
What’s happening now?
Wet, Warm, and Windy!
Current Flood Hazards
• Ponding water from rain & snowmelt that can’t soak into frozen ground.
• Storm drains & culverts plugged with ice & snow
• Cumulative ponding from series of storms since ground is still frozen
• Rises on creeks & Rivers. Stay up-to-date on new forecasts!
Paradise Creek
Palouse River
Current Snowpack (% of Normal)
Lake Pend Oreille Watershed
Moscow Mountain Snow
71% of median SWE
Departure from Normal Snow Depth
Dry Fall!
• For the Oct 1 – Jan 31 period– Moscow is 20th driest in 120 years– Potlatch is DRIEST in 90 years
National Drought Monitor
Moderate Drought
Long Range Weather Outlook
ENSO “Neutral” Conditions Persist
Long Range Weather Outlook
Sea Surface Temperatures
Departure from Normal
8-14 Day OutlookValid Feb 20-26
Temperature
http://www.cpc.ncep.noaa.gov
8-14 Day OutlookValid Feb 20-26
Precipitation
http://www.cpc.ncep.noaa.gov
Mar – Apr – May OutlookTemperature
Mar – Apr – May OutlookPrecipitation
Summary
• Short Term Forecast Biggest Concern with Potential Flooding
• After a very dry fall, catching up on mountain snowpack.
Stay Informed
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#wawx #idwx
• YouTubeNWS Spokane
Question?