Weather Alerts for New York

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1. Cold Weather Advisory for: Eastern Clinton; Eastern Essex; Grand Isle; Western Franklin; Orleans; Essex; Western Chittenden; Lamoille; Caledonia; Washington; Western Addison; Orange; Western Rutland; Eastern Franklin; Eastern Chittenden; Eastern Addison; Eastern Rutland; Western Windsor; Eastern Windsor

2. Cold Weather Advisory for: Niagara; Orleans; Monroe; Wayne; Northern Cayuga; Northern Erie; Genesee

3. Cold Weather Advisory for: Northeast Suffolk; Southeast Suffolk

4. Cold Weather Advisory for: Northern Oneida; Yates; Seneca; Southern Cayuga; Onondaga; Steuben; Schuyler; Chemung; Tompkins; Madison; Southern Oneida; Cortland; Chenango; Tioga; Broome; Bradford; Susquehanna

5. Cold Weather Advisory for: Northern Saratoga; Northern Washington; Southeast Warren; Southern Washington

6. Cold Weather Advisory for: Northwest Suffolk; Southwest Suffolk; Northern Nassau; Southern Nassau

7. Cold Weather Advisory for: Otsego; Delaware; Sullivan; Northern Wayne; Pike; Southern Wayne

8. Cold Weather Advisory for: Southern Herkimer; Southern Fulton; Montgomery; Schoharie; Western Schenectady; Western Albany; Western Greene; Western Ulster; Northern Fulton

9. Extreme Cold Warning for: Eastern Schenectady; Southern Saratoga; Eastern Albany; Western Rensselaer; Eastern Greene; Western Columbia; Eastern Windham

10. Extreme Cold Warning for: Eastern Ulster; Western Dutchess; Bennington; Western Windham

11. Extreme Cold Warning for: Northeast Suffolk; Southeast Suffolk

12. Extreme Cold Warning for: Northern Herkimer; Hamilton; Northern Warren

13. Extreme Cold Warning for: Northern Oneida; Yates; Seneca; Southern Cayuga; Onondaga; Steuben; Schuyler; Chemung; Tompkins; Madison; Southern Oneida; Cortland; Chenango; Tioga; Broome; Bradford; Susquehanna

14. Extreme Cold Warning for: Northern St. Lawrence; Northern Franklin; Southeastern St. Lawrence; Southern Franklin; Western Clinton; Western Essex; Southwestern St. Lawrence

15. Extreme Cold Warning for: Northwest Suffolk; Southwest Suffolk; Northern Nassau; Southern Nassau

16. Extreme Cold Warning for: Oswego; Jefferson; Lewis

17. Extreme Cold Warning for: Otsego; Delaware; Sullivan; Northern Wayne; Pike; Southern Wayne

18. Extreme Cold Warning for: Southern Herkimer; Southern Fulton; Montgomery; Schoharie; Western Schenectady; Western Albany; Western Greene; Western Ulster; Northern Fulton

19. Extreme Cold Warning for: Wyoming; Livingston; Ontario; Chautauqua; Cattaraugus; Allegany; Southern Erie

20. Winter Weather Advisory for: Monroe; Wayne; Northern Cayuga; Oswego; Ontario

21. Winter Weather Advisory for: Seneca; Southern Cayuga; Onondaga; Tompkins; Cortland

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

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