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Weather Update Latah County LEPC. Weather and Water Update La Niña Advisory in Effect (upgraded in September from La Niña Watch) Winter Outlook still.

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Presentation on theme: "Weather Update Latah County LEPC. Weather and Water Update La Niña Advisory in Effect (upgraded in September from La Niña Watch) Winter Outlook still."— Presentation transcript:

1 Weather Update Latah County LEPC

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3 Weather 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!!

4 NOAAs CFS ENSO Forecast

5 La Nina Snowfall (% of Average)

6 La Nina Average Snowfall

7 Snowfall for Last Winter From the previous image – 69.4 is average for a La Niña winter 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 Winter – Moscow recorded 69.0 of snowfall November tallied 18.6 in 2010 and only 8.4 in 2011

8 Snowfall Since 1949 Moscow Avg 49.7

9 Moscow Snow for Nov and Dec YearNovemberDecemberWinter Total 2008T

10 Temp Outlook Dec-Jan-Feb

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12 Precip Outlook Dec-Jan-Feb

13 La Niña Effects in June-August La Niña Effects in December-February

14 Recap Dec-Jan-Feb (DJF) Forecast –Near Normal Temperatures –Favors Chances of Above Normal Precipitation Typical La Niña Winters mean increased snowfall 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 increased snowfall on average of 123% Thinking Ahead –Travel/Roadway/Plowing considerations –Flood potential in Spring –Delayed fire season…AGAIN?

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16 Questions/Discussion


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