Weather Alerts for New York

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1. Air Quality Alert for: Livingston; Ontario; Allegany

2. Air Quality Alert for: Livingston; Ontario; Allegany

3. Air Quality Alert for: Niagara; Orleans; Monroe; Wayne; Northern Cayuga; Oswego; Jefferson; Lewis; Northern Erie; Genesee; Wyoming; Chautauqua; Cattaraugus; Southern Erie

4. Air Quality Alert for: Niagara; Orleans; Monroe; Wayne; Northern Cayuga; Oswego; Jefferson; Lewis; Northern Erie; Genesee; Wyoming; Chautauqua; Cattaraugus; Southern Erie

5. Air Quality Alert for: Niagara; Orleans; Monroe; Wayne; Northern Cayuga; Oswego; Jefferson; Lewis; Northern Erie; Genesee; Wyoming; Chautauqua; Cattaraugus; Southern Erie

6. Air Quality Alert for: Niagara; Orleans; Monroe; Wayne; Northern Cayuga; Oswego; Jefferson; Lewis; Northern Erie; Genesee; Wyoming; Chautauqua; Cattaraugus; Southern Erie

7. Air Quality Alert for: Northern Herkimer; Hamilton; Northern Warren

8. Air Quality Alert for: Northern Herkimer; Hamilton; Northern Warren

9. Air Quality Alert for: Northern Herkimer; Hamilton; Southern Herkimer; Northern Warren

10. Air Quality Alert for: Northern Herkimer; Hamilton; Southern Herkimer; Northern Warren

11. Air Quality Alert for: Northern Oneida; Yates; Seneca; Southern Cayuga; Onondaga; Steuben; Schuyler; Chemung; Tompkins; Madison; Southern Oneida; Cortland; Chenango; Otsego; Tioga; Broome; Delaware

12. Air Quality Alert for: Northern Oneida; Yates; Seneca; Southern Cayuga; Onondaga; Steuben; Schuyler; Chemung; Tompkins; Madison; Southern Oneida; Cortland; Chenango; Otsego; Tioga; Broome; Delaware

13. Air Quality Alert for: Northern Oneida; Yates; Seneca; Southern Cayuga; Onondaga; Steuben; Schuyler; Chemung; Tompkins; Madison; Southern Oneida; Cortland; Chenango; Otsego; Tioga; Broome; Delaware

14. Air Quality Alert for: Northern St. Lawrence; Northern Franklin; Eastern Clinton; Southeastern St. Lawrence; Southern Franklin; Western Clinton; Western Essex; Eastern Essex; Southwestern St. Lawrence

15. Air Quality Alert for: Northern St. Lawrence; Northern Franklin; Eastern Clinton; Southeastern St. Lawrence; Southern Franklin; Western Clinton; Western Essex; Eastern Essex; Southwestern St. Lawrence

16. Air Quality Alert for: Northern St. Lawrence; Northern Franklin; Eastern Clinton; Southeastern St. Lawrence; Southern Franklin; Western Clinton; Western Essex; Eastern Essex; Southwestern St. Lawrence

17. Air Quality Alert for: Orange; Putnam; Rockland; Northern Westchester; Southern Westchester; New York (Manhattan); Bronx; Richmond (Staten Is.); Kings (Brooklyn); Northern Queens; Southern Queens

18. Air Quality Alert for: Southern Fulton; Montgomery; Northern Saratoga; Northern Washington; Schoharie; Western Schenectady; Eastern Schenectady; Southern Saratoga; Western Albany; Eastern Albany; Western Rensselaer; Eastern Rensselaer; Western Greene; Eastern Greene; Western Columbia; Eastern Columbia; Western Ulster; Eastern Ulster; Western Dutchess; Eastern Dutchess; Northern Fulton; Southeast Warren; Southern Washington

19. Air Quality Alert for: Sullivan

20. Air Quality Alert for: Sullivan

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain