Nov 10, 2011

First Snowfall 2011-12 Winter

The first winter storm of the season in Wisconsin dumped heavy, wet snow across the central and northeast part of the state. A band of 6 to 9 inches fell from the Waupaca area to Florence. The highest amount measured by an official NWS observer was 9.2 inches near Long Lake in Florence County. More info can be found here.

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Measurements (4)
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Nov 9, 2011 @ 9:54am
Oshkosh was under a Winter Weather Advisory. Early morning moderate to heavy rain fell. The rain turned to sleet. Sleet fell for an hour or two until a dry slot moved into the area. While is stopped precipitating I took a measurement.

0.2" - New Snow/Sleet
0.2" - Total Storm Snow/Sleet
Current Snow Depth - Trace


















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Nov 9, 2011 @ 2:28pm
The precipitation turned to all snow around 1pm. After an hour and half of snowfall I took a another measurement. I recorded 1.3" of new snow bringing the storm total to 1.5" of frozen precipitation.

1.3" - New Snow
1.5" - Total Storm Snow/Sleet
Current Snow Depth - 2"

















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Nov 9, 2011 @ 3:45pm
Another 0.3" was measured as I was on my way out. No time for photos unfortunately.

0.3" - New Snow
1.8" - Total Storm Snow/Sleet
Current Snow Depth - 2"

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Nov 10, 2011 @ 7:51am
The temperature jumped a few degrees and the snow changed back over to a snow/sleet/rain mix later in the evening. As far as frozen precip goes a total of 1.8" was measured throughout the day, 0.2" of that was all sleet early on. Overnight another 0.3" of snowfall fell and was measured at end of the 24 hour observation period.

0.3" - New Snow
2.1" - Total Storm Snow/Sleet
Current Snow Depth - 2"












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Storm Totals
1.45" of liquid precipitation was recorded at end of the 24 hour observation period on Nov-10, bringing the 3-Day total to 3.24". It gives us the wettest Nov since genesis of OSNW3 (Nov-1, 2006). 4.24" of precip in the first ten days. Annual Precipitation

Winnebago County Nov-9 storm totals (Liquid , Snow)
1.10" , 0.5" - Oshkosh WWTP (NWS Official)
0.86" , 3.0" - Oshkosh 5.6 S
1.45" , 2.1" - OSNW3 | Oshkosh - North
0.71" , 0.2" - Oshkosh 5.2 N
1.14" , 3.1" - Omro 2.3 WSW
1.15" , 3.5" - Omro SSE
1.10" , 1.0" - Neenah

(Storm Radar Loop)
















A timelapse of the storm from the vantage point of the OSNW3 webcam can be found here.