Snow Amount Potential
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Expected Snowfall - Official NWS Forecast What's this? | High End Amount 1 in 10 Chance (10%) of Higher Snowfall What's this? |
Low End Amount 9 in 10 Chance (90%) of Higher Snowfall What's this? |
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For more information visit this project's Product/Service Description Document. Please provide us your feedback here. |
Percent Chance That Snow Amounts Will Be Greater Than...
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Snowfall Totals by Location
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Snow Amount Potential
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Expected Snowfall - Official NWS Forecast What's this? | High End Amount 1 in 10 Chance (10%) of Higher Snowfall What's this? |
Low End Amount 9 in 10 Chance (90%) of Higher Snowfall What's this? |
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For more information visit this project's Product/Service Description Document. Please provide us your feedback here. |
Percent Chance That Snow Amounts Will Be Greater Than...
Experimental - Leave feedback
|
Ice Accumulation Potential
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Expected Ice Accumulation - Official NWS Forecast |
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What's this? |
Ice Accumulation Potential
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Expected Ice Accumulation - Official NWS Forecast |
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What's this? |
72 Hour Snowfall / Ice Accumulation Forecasts | ||
72 Hour Snowfall Forecast | 72 Hour Ice Accumulation Forecast | |
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12 Hour Snowfall / Ice Accumulation Forecasts | ||
12 Hour Snowfall Forecasts (through 72 Hours) | |||||
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0 to 12 Hours | 12 to 24 Hours | 24 to 36 Hours | 36 to 48 Hours | 48 to 60 Hours | 60 to 72 Hours |
12 Hour Ice Accumulation Forecasts (through 72 Hours) | |||||
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0 to 12 Hours | 12 to 24 Hours | 24 to 36 Hours | 36 to 48 Hours | 48 to 60 Hours | 60 to 72 Hours |
Daily Snow / Ice Reports | ||
Reported Snow/Ice Totals |
Text Reported Snow/Ice Totals |
Snow/Ice Analysis |
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National Snowfall Reports/Analysis | ||
National Snow Reports | National Snowfall Analysis | |
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From the Middle Atlantic River Forecast Center | ||
24-hr Observed |
Observed Snow Depth |
Modeled Snow Water Equivalent |
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Average Snowfall (30-Year Average / 1991-2020) | ||
** EXPERIMENTAL ** EXPERIMENTAL ** EXPERIMENTAL **Day 4-7 Winter Weather Outlook(Winter Liquid Equivalent Exceedance Graphics) |
Day 4 | Day 5 | Day 6 | Day 7 | |
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These images are created using WPC Probability of Exceeding 0.25"
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High | High Threat for a Plowable Snow. Potential impacts include travel delays and closures. Plan ahead to minimize impact on you and your family. |
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Medium | Moderate Threat for a Plowable Snow. Primary threat is disruption to travel. |
Low | Slight Threat for a Plowable Snow. If threat materializes, may cause travel disruptions. |
None | No significant winter storm threat is currently expected. However, light wintry precipitation may still be possible. |
Precipitation Onset/End Timing | ||
Onset of Wintry Precipitation | End Timing of Wintry Precipitation | |
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What's this? | What's this? | |
Weather Type and Coverage Forecast |
**Prototype Under Development** **Not to be relied on for operational decision making**
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Winter Storm Outlook (WSO) | |
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Winter Storm Outlook (WSO) for Snow |
Winter Storm Outlook (WSO) for Ice |
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Winter Storm Severity Index (WSSI) | |
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Winter Storm Severity Index (WSSI) Overall Impact |
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Winter Storm Severity Index (WSSI) Snow Amount |
Winter Storm Severity Index (WSSI) Ice Accumulation |
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Winter Storm Severity Index (WSSI) Snow Load |
Winter Storm Severity Index (WSSI) Flash Freeze |
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Winter Storm Severity Index (WSSI) Blowing Snow |
Winter Storm Severity Index (WSSI) Ground Blizzard |
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Report Snow/Ice to the National Weather Service |
REPORT SNOW/ICE AMOUNTS TO US | REPORT SNOW/ICE IMPACTS TO US |
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