Snow Amount Potential
Experimental - Leave feedback
|
|
Expected Snowfall - Official NWS Forecast (for time range indicated) 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? |
|
Percent Chance That Snow Amounts Will Be Greater Than...
Experimental - Leave feedback
What's this?
|
Snowfall Totals by Location
Experimental - Leave feedback
What's this?
|
|
Ice Accumulation Potential |
Expected Ice Accumulation - Official NWS Forecast |
---|
What's this? |
Snow Amount Potential
Experimental - Leave feedback
|
|
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? |
|
Percent Chance That Snow Amounts Will Be Greater Than...
Experimental - Leave feedback
What's this?
|
Other Snow/Ice Information | ||
Storm Track | Observed Snow/Ice Amounts | |
---|---|---|
What's this? | What's this? | |
Onset and Ending Time graphics are now on their own tab next to this tab. |
Useful Winter Weather Information | ||
Historic Mid-Atlantic Winter Storms |
Winter/Snowfall Statistics |
El Niño and DC/Baltimore Winters |
Watches, Warnings, & Advisories |
How to Measure Snow |
La Niña and DC/Baltimore Winters |
|
||
At Home | On the Road | Outside in the Cold |
Onset/End of Wintry Precipitation | ||
Onset of Wintry Precipitation (For areas under Warning or Advisory) |
End of Wintry Precipitation (For areas under Warning or Advisory) |
|
---|---|---|
What's this? | What's this? | |
Precipitation OnsetMost likely time of winter precipitation onset (snow, sleet, freezing rain). Rain is not included here. This information is provided when we issue a Warning or Advisory for expected snow or ice accumulation; typically six to 24 hours in advance. Times are only given for places that are under a Warning or Advisory. They will be blank in areas outside Warnings or Advisories. Precipitation End TimeMost likely time that the accumulating winter precipitation ends (snow, sleet, freezing rain). Rain is not included here. This information is provided when we issue a Warning or Advisory for expected snow or ice accumulation; typically six to 24 hours in advance of the onset. Times are only given for places that are under a Warning or Advisory. They will be blank in areas outside Warnings or Advisories. |
Winter Storm Threat: 3-7 Days From Now Experimental - Leave feedback What's this? Product Description Document |
Hover over (or click) Days 3-7 thumbnails to see full-size maps showing daily Confidence vs. Potential Impact matrices. |
Day 3 | Day 4 | Day 5 | Day 6 | Day 7 |
---|---|---|---|---|
High | High threat of high impact winter storm. Potential impacts include significant travel delays, closures, and threats to life and property. Plan ahead to minimize impact on you and your family. |
---|---|
Moderate | Moderate winter storm threat. Potential impacts include significant travel delays and closures. Plan ahead to minimize impact on you and your family. |
Enhanced | Enhanced winter storm threat. Increased potential of more significant travel impacts and more closures. |
Slight | Slight winter storm threat. If threat materializes, may cause travel disruptions. |
None | No significant winter storm threat is currently expected. However, light wintry precipitation may still be possible. |
Maryland Ice Accumulation Forecast | ||
|