Importance of Accurate, Consistent Snowfall Measurement Nolan J. Doesken Colorado Climate Center Colorado State University Presented at NOAA Snowfall Network.

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Presentation transcript:

Importance of Accurate, Consistent Snowfall Measurement Nolan J. Doesken Colorado Climate Center Colorado State University Presented at NOAA Snowfall Network Observations Workshop (SNOW), 2 June 2004, Kansas City, MO Prepared by Odie Bliss

Snow Matters!

Blizzard of 1949, snow drift on the porch of a house at Keota, Colorado

Average annual snowfall for the U.S.

Seasonal Snowfall for Sault Ste. Marie, MI

March 17-19, 2003 Storm Sequence The Barbecue Grill 1. Webber Grill, Tuesday, 9 am Photos by M. J. Brodzik BO57, Nederland 6.1 E

March 17-19, 2003 Storm Sequence The Barbecue Grill 2. Grill on Tuesday 5:30 pm

March 17-19, 2003 Storm Sequence The Barbecue Grill 3. Grill at 6:30 pm on Tuesday

March 17-19, 2003 Storm Sequence The Barbecue Grill 4. There used to be a Webber Grill here, Wednesday, 6:25 am

March 17-19, 2003 Storm Sequence The Barbecue Grill 5. Webber Grill Wednesday Noon

March 17-19, 2003 Storm Sequence The Barbecue Grill 6. Grill on Thursday at 7:15 am The snow has finally stopped

March 17-19, 2003 Storm Sequence The Fence 1. Fence across the South Meadow, Tuesday 9am Photos by M. J. Brodzik BO57, Nederland 6.1 E

March 17-19, 2003 Storm Sequence The Fence 2. South Meadow at 5:30 pm on Tuesday

March 17-19, 2003 Storm Sequence The Fence 3. South meadow on Wednesday

March 17-19, 2003 Storm Sequence The Fence 4. Fence across South Meadow, Thursday 6:15 am

“He used to love snow as much as me – and then he became a weather observer.”

Measuring Snow Is Harder Than It Seems

And now for something completely different …

There is no perfect way to measure snow….

What matters most for climatic applications and historical documentation is that we all do it the same way.

The Snow Booklet Colorado Climate Center Department of Atmospheric Science Colorado State University Fort Collins, CO

Denver Maximum 1-day Precipitation History

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