Weather Alerts for New York

Recent Locations: Stillwater, NY

Current Alerts for Stillwater, NY: Extreme Heat Warning

1. Air Quality Alert for: Northwest Suffolk; Northeast Suffolk; Southwest Suffolk; Southeast Suffolk; Northern Nassau; Southern Nassau

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

3. Air Quality Alert for: Rockland; Northern Westchester; Southern Westchester; New York (Manhattan); Bronx; Richmond (Staten Is.); Kings (Brooklyn); Northwest Suffolk; Northeast Suffolk; Southwest Suffolk; Southeast Suffolk; Northern Queens; Northern Nassau; Southern Queens; Southern Nassau

4. Extreme Heat Warning for: Eastern Clinton; Eastern Essex; Grand Isle; Western Franklin; Western Chittenden; Western Addison

5. Extreme Heat Warning for: New York (Manhattan); Bronx; Richmond (Staten Is.); Kings (Brooklyn); Northern Queens; Southern Queens

6. Extreme Heat Warning for: Northern Saratoga; Northern Washington; Eastern Schenectady; Southern Saratoga; Eastern Albany; Western Rensselaer; Eastern Greene; Western Columbia; Eastern Columbia; Southeast Warren; Southern Washington

7. Extreme Heat Warning for: Onondaga; Schuyler; Chemung; Tompkins; Tioga; Broome; Bradford; Wyoming; Lackawanna; Luzerne

8. Flood Warning for: Broome, NY; Susquehanna, PA

9. Flood Warning for: Broome, NY; Tioga, NY

10. Flood Warning for: Chenango, NY

11. Flood Warning for: Chenango, NY

12. Heat Advisory for: Jefferson; Lewis

13. Heat Advisory for: Monroe; Wayne; Northern Cayuga; Oswego; Livingston; Ontario

14. Heat Advisory for: Niagara; Orleans; Northern Erie; Genesee; Wyoming; Chautauqua; Cattaraugus; Allegany; Southern Erie

15. Heat Advisory for: Northeast Suffolk

16. Heat Advisory for: Northern Oneida; Yates; Seneca; Southern Cayuga; Steuben; Madison; Southern Oneida; Cortland; Chenango; Otsego; Delaware; Sullivan; Susquehanna; Northern Wayne; Pike; Southern Wayne

17. Heat Advisory for: Northern St. Lawrence; Northern Franklin; Southwestern St. Lawrence; Lamoille; Caledonia; Washington; Orange; Western Rutland; Eastern Franklin; Eastern Chittenden; Eastern Addison; Eastern Rutland; Western Windsor; Eastern Windsor

18. Heat Advisory for: Northern Warren; Northern Fulton

19. Heat Advisory for: Onondaga; Schuyler; Chemung; Tompkins; Tioga; Broome; Bradford; Wyoming; Lackawanna; Luzerne

20. Heat Advisory for: Onondaga; Schuyler; Chemung; Tompkins; Tioga; Broome; Bradford; Wyoming; Lackawanna; Luzerne

21. Heat Advisory for: Southeastern St. Lawrence; Southern Franklin; Western Clinton; Western Essex; Orleans; Essex

Want more detail? Get the Complete 7 Day and Night Detailed Forecast!

Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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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 Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds

Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds