OSNW3 | OSHKOSH-NORTH

The Oshkosh average date for the first one inch snowfall is Dec 2. This year it occurred on Dec 9. We've been observing precipitation at OSNW3 since Nov 2006 and we've recorded a first one inch snowfall on Dec 9 twice, first time back in 2010. It is the latest date we've recorded in our six winters. Earliest date is Nov 9 which occurred last year.  All the winter "firsts and lasts" at OSNW3 can be found here . ...WINNEBAGO COUNTY... 2 WSW OMRO (752 FT)(COCORAHS)          3.9 IN OMRO - 2 SW (761 FT)(UCOOP)                3.9 IN 3 S WITTMAN FIELD (794 FT)(COCORAHS)       3.5 IN OSHKOSH 6 S (794 FT)(UCOOP)                3.5 IN 2 NNE OSHKOSH (774 FT)(COCORAHS)           2.6 IN OSHKOSH-NORTH (773 FT)...

OSNW3 recorded 5.74 inches of precipitation this October which solidifies the third all-time greatest amount recorded in Oshkosh history for the month of October. Number two is 5.79 inches in 1995. The top spot belongs to 1967 when 6.82 inches fell. (click on image for entire data set - it will open a new tab/window) Oshkosh First 1" Snowfalls Since 1980, one may be hard pressed to remember when snow accumulated in Oshkosh more than an inch during late October into November. Off the top of my head, I could not remember what had happened in my own backyard. So I dug into it. Since 1980 the snow that fell at OSNW3 the days of Nov 9-10, 2011 is tied for the 4th earliest of all-time. It just so happens that back in 2006 two inches of snow fell in similar fashion on Nov 10-11. (click on image for entire data set - it will open a new tab/window)

Oshkosh received a down right deluge of precipitation Nov-7 through Nov-10. The area has not recorded that much precipitation in the entire month since 2003. The snow that accompanied the deluge is one of the earliest first one inch snowfalls since 1980. Impressive weather and climate as of late. ( OSNW3 Weather Brief ) ( OSNW3 November Observations ) (OSNW3 November 2011 Summary) (click on graph for the month summary data - it will open a new tab/window) ----- Oshkosh November Precipitation Since the inception of OSNW3 we have never come close to recording this much precipitation in the month of November. As of the 7am hour on Nov-13 we have measured 4.26 inches of precipitation. The next most is 1.91 inches back in 2006 . With a little over a half of the month to go, OSNW3 ranks 10th all-time in Oshkosh history for the most precipitation in the month of November. Precipitation records for Oshkosh date back to 1893. (Oshkosh Precipitation Rank - November) (click o...

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 . ---- Measurements (4) ---- 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 ---- 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....