Weather Alerts for New York

Recent Locations: New York, NY  

1. Excessive Heat Watch for: Livingston; Monroe; Niagara; Northern Cayuga; Ontario; Orleans; Wayne

2. Severe Thunderstorm Watch for: Bronx; Kings; Nassau; New York; Orange; Putnam; Queens; Richmond; Rockland; Suffolk; Westchester

3. Flash Flood Watch for: Bronx; Kings (Brooklyn); New York (Manhattan); Northern Queens; Richmond (Staten Is.); Southern Queens; Southern Westchester

4. Flash Flood Watch for: Northeast Suffolk; Northern Nassau; Northern Westchester; Northwest Suffolk; Orange; Putnam; Rockland; Southeast Suffolk; Southern Nassau; Southwest Suffolk

5. Flash Flood Watch for: Cortland; Madison; Northern Oneida; Onondaga; Schuyler; Seneca; Southern Cayuga; Southern Oneida; Steuben; Tompkins; Yates

6. Flash Flood Watch for: Broome; Chemung; Chenango; Delaware; Otsego; Sullivan; Tioga

7. Excessive Heat Watch for: Northern Nassau; Northwest Suffolk; Southern Nassau; Southwest Suffolk

8. Excessive Heat Watch for: Northern Westchester; Orange; Putnam; Rockland; Southern Westchester

9. Excessive Heat Watch for: Bronx; Kings (Brooklyn); New York (Manhattan); Northern Queens; Richmond (Staten Is.); Southern Queens

10. Heat Advisory for: Bronx; Kings (Brooklyn); New York (Manhattan); Northern Queens; Richmond (Staten Is.); Southern Queens

11. Heat Advisory for: Northern Nassau; Northwest Suffolk; Southern Nassau; Southwest Suffolk

12. Flood Advisory for: Broome; Tioga

13. Flood Advisory for: Schuyler; Seneca; Steuben; Tompkins; Yates

14. Flash Flood Warning for: Allegany; Cattaraugus

15. Flood Advisory for: Sullivan

16. Flood Advisory for: Chenango; Delaware

17. Flood Advisory for: Otsego; Sullivan

18. Severe Thunderstorm Watch for: Sullivan

19. Flash Flood Watch for: Eastern Dutchess; Eastern Ulster; Western Dutchess; Western Ulster

20. Severe Thunderstorm Watch for: Dutchess; Ulster

21. Flash Flood Warning for: Broome

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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).

Current U.S. National Radar

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Todays National Weather Map

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North American Water Vapor Map

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Weather Topic: What is Precipitation?

Home - Education - Precipitation - 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

Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow