weather update latah county lepc. weather and water update la niña advisory in effect (upgraded in...
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Weather UpdateLatah County LEPCWeather UpdateLatah County LEPC
Weather and Water UpdateWeather and Water Update• La Niña Advisory in Effect (upgraded in September
from La Niña Watch)
• Winter Outlook still calls for better chances of Below Normal Temps and better chances for Above Normal Precip (snow)– Officially, winter begins on December 22!!
• La Niña Advisory in Effect (upgraded in September from La Niña Watch)
• Winter Outlook still calls for better chances of Below Normal Temps and better chances for Above Normal Precip (snow)– Officially, winter begins on December 22!!
NOAA’s CFS ENSO ForecastNOAA’s CFS ENSO Forecast
La Nina Snowfall (% of Average)La Nina Snowfall (% of Average)
La Nina Average SnowfallLa Nina Average Snowfall
Snowfall for Last WinterSnowfall for Last Winter
• From the previous image – 69.4” is average for a La Niña winter
• 2010-2011 Winter – Moscow recorded 69.0” of snowfall
• November tallied 18.6” in 2010 and only 8.4” in 2011
• From the previous image – 69.4” is average for a La Niña winter
• 2010-2011 Winter – Moscow recorded 69.0” of snowfall
• November tallied 18.6” in 2010 and only 8.4” in 2011
Snowfall Since 1949Moscow
Snowfall Since 1949Moscow
Avg 49.7
Moscow Snow for Nov and DecMoscow Snow for Nov and DecYear November December Winter Total
2008 T 46.2” 97.2”
2007 7.0” 23.6” 85.7”
1999 1.2” 16.4” 56.7”
1995 3.6” 3.2” 73.6”
1988 12.0” 17.5” 93.8”
1984 4.8” 29.9” 80.2”
1983 0.7” 4.8” 27.1”
Temp Outlook Dec-Jan-Feb
Precip Outlook
Dec-Jan-Feb
RecapRecap
• Dec-Jan-Feb (DJF) Forecast – Near Normal Temperatures– Favors Chances of Above Normal Precipitation
• Typical La Niña Winters mean increasedsnowfall on average of 123%
• Thinking Ahead– Travel/Roadway/Plowing considerations– Flood potential in Spring– Delayed fire season…AGAIN?
• Dec-Jan-Feb (DJF) Forecast – Near Normal Temperatures– Favors Chances of Above Normal Precipitation
• Typical La Niña Winters mean increasedsnowfall on average of 123%
• Thinking Ahead– Travel/Roadway/Plowing considerations– Flood potential in Spring– Delayed fire season…AGAIN?
Questions/DiscussionQuestions/Discussion