Temperature Outlook	Precipitation Outlook

• CPC's Latest ENSO (El Nino/La Nina) Forecast & Outlook
• ENSO Forecast Related Winter Weather Features over North America
• ENSO Impacts on Winter Precipitation and Temperature
• General Information on El Nino and La Nina
• HPC Winter Weather Forecasts
• Winter Weather Impacts Graphics
• Heavy Snow and Ice Discussion

Composite Snow/Ice Accumulation Probability Charts

The following charts depict in a 4-panel format the probabilities of snow reaching
or exceeding 4, 8, and 12 inches and the probability of freezing rain reaching
or exceeding .25 inch. Click on a thumbnail to enlarge.

Day 1	Day 2	Day 3




Day 1-3 Surface Low Tracks

The low track charts depict HPC's Day 1-3 forecast of surface low tracks associated
with significant winter weather. Click on the thumbnail to enlarge.

Current Surface Low Positions	Forecast Surface Low Positions	Forecast Surface Low Positions (Technical)

Snow Measurement Guidelines

Winter Weather Criteria

• Wind Chill
  • Advisory
  • Warning
• Freezing Rain
  • Advisory
  • Warning
• Snow
  • 12-Hr Advisory
  • 12-Hr Warning
  • 24-Hr Warning

Snowfall/Snowpack Information

• Recent U.S. Snowfall and Snowdepth Maps
• Northeast River Forecast Center Snow and Ice Information
• Mid-Atlantic River Forecast Center Snow Information
• Interactive Snow Information
• National and Regional Snow Analyses
• Airborne Snow Survey

More Winter Weather Information

• The Northeast Snowfall Impact Scale (NESIS)
• Winter Weather Terms and Definitions
• NOAA's Winter Weather Safety and Awareness
• Playtime for Kids: Winter Storms

Snowfall Normals & Records (inches)

Climatology

• Monthly and Seasonal Snowfall
• Snowiest Winters and Months
• Snowiest October - May
• Greatest Daily Snowfall
• Probability of a White Christmas

Holidays

• Thanksgiving
• Christmas
• New Year's Eve and Day