Storm description, surface observations, snowfall totals, and images courtesy of the National Climatic Data Center, the National Centers of Environmental Prediction, the Climate Prediction Center, the Hydrometeorological Prediction Center, the Mount Holly National Weather Service Office, the Upton National Weather Service Office, Rutgers University, Plymouth State University, the University of Illinois, the American Meteorological Society, Weather Graphics Technologies, AccuWeather, and the Weather Channel.

Table of Contents Storm Summary Regional Surface Observations National Weather Service Forecasts Surface Maps Satellite Imagery National Surface Weather Maps - Pressure and Fronts Only Continental Surface Weather Maps - Pressure and Fronts Only Sea Level Pressure and 1000 to 500 Millibar Thickness Maps 850 Millibar Maps 700 Millibar Maps 500 Millibar Maps 300 Millibar Maps 200 Millibar Maps National Radar Imagery Regional Radar Imagery Fort Dix Doppler Radar Imagery

MERCER COUNTY ZONE FORECASTS

Morning forecast for December 19, 2009: *Winter Storm Warning in effect until 6 AM EST Sunday* Today...Snow. Snow may be heavy at times. Snow accumulation of 3 to 5 inches. Brisk with highs in the upper 20s. Northeast winds 15 to 20 mph. Chance of snow near 100 percent. Tonight...Snow. Snow may be heavy at times in the evening. Total snow accumulation of 10 to 14 inches. Windy with lows in the lower 20s. North winds 15 to 25 mph with gusts up to 35 mph. Chance of snow near 100 percent. Sunday...Cloudy. A chance of snow in the morning. Highs in the lower 30s. Northwest winds around 15 mph with gusts up to 25 mph. Chance of snow 50 percent.

Morning update for December 19, 2009: *Winter Storm Warning in effect until 6 AM EST Sunday* Today...Snow. Snow accumulation of 3 to 5 inches. Brisk with highs in the upper 20s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of snow near 100 percent. Tonight...Snow. Snow may be heavy at times in the evening. Total snow accumulation of 10 to 14 inches. Windy with lows in the lower 20s. North winds 15 to 25 mph. Chance of snow near 100 percent. Sunday...Cloudy. A chance of snow in the morning. Highs in the lower 30s. Northwest winds around 15 mph with gusts up to 25 mph. Chance of snow 50 percent.

Evening forecast for December 19, 2009: *Winter Storm Warning in effect until 6 AM EST Sunday* Tonight...Snow with a slight chance of thunderstorms this evening...then snow after midnight. Blowing snow. Snow may be heavy at times this evening. Snow accumulation of 12 to 16 inches. Windy with lows in the lower 20s. North winds 15 to 25 mph. Chance of snow near 100 percent. Sunday...Cloudy. A chance of snow in the morning. Highs in the upper 20s. Northwest winds 10 to 15 mph. Chance of snow 30 percent.

Evening update for December 19, 2009: *Winter Storm Warning in effect until 6 AM EST Sunday* Tonight...Snow with a slight chance of thunderstorms this evening...then snow after midnight. Blowing snow. Snow may be heavy at times this evening. Event snow accumulation of 12 to 16 inches. Windy with lows in the lower 20s. North winds 15 to 25 mph. Chance of snow near 100 percent. Sunday...Cloudy. A chance of snow in the morning. Highs in the upper 20s. Northwest winds 10 to 15 mph. Chance of snow 30 percent.

Overnight forecast for December 19, 2009: *Winter Storm Warning in effect until 6 AM EST Sunday* Overnight...Snow and blowing snow...gradually tapering off. Event snow accumulation of 12 to 16 inches. Brisk with lows around 20. North winds 15 to 20 mph with gusts up to 30 mph. Chance of snow near 100 percent. Sunday...Cloudy. A chance of snow in the morning. Highs in the upper 20s. Northwest winds 10 to 15 mph. Chance of snow 30 percent.

Overnight update for December 19, 2009: Early this morning...Light snow or flurries. Areas of blowing snow. Additional snow accumulation up to 1 inch. Brisk with lows around 19. Northwest winds 15 to 20 mph. Chance of snow 90 percent. Today...Cloudy in the morning...then becoming partly sunny. Areas of blowing snow. Highs around 30. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Morning forecast for December 20, 2009: Today...Cloudy with light snow or flurries likely this morning...then partly sunny this afternoon. Areas of blowing snow. Highs around 30. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of measureable snow 30 percent.

Table of Contents Storm Summary Regional Surface Observations National Weather Service Forecasts Surface Maps Satellite Imagery National Surface Weather Maps - Pressure and Fronts Only Continental Surface Weather Maps - Pressure and Fronts Only Sea Level Pressure and 1000 to 500 Millibar Thickness Maps 850 Millibar Maps 700 Millibar Maps 500 Millibar Maps 300 Millibar Maps 200 Millibar Maps National Radar Imagery Regional Radar Imagery Fort Dix Doppler Radar Imagery

Snow storm, December 5, 2009 Snow storm, December 19-20, 2009 Snow storm, December 31, 2009 Snow storm, February 2-3, 2010 Snow storm, February 5-6, 2010 Snow storm, February 9-11, 2010 Snow storm, February 15-16, 2010 Snow storm, February 25-26, 2010 Back to Ray's Winter Storm Archive

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