Weather Alerts for Pennsylvania

Recent Locations: Providence, RI Oxnard, CA Henryville, PA

Current Alerts for Henryville, PA: Extreme Cold Warning Wind Advisory

1. Cold Weather Advisory for: Huntingdon; Fulton

2. Cold Weather Advisory for: Mifflin; Juniata; Franklin; Union; Snyder; Montour; Northumberland; Columbia; Perry; Dauphin; Schuylkill; Lebanon; Cumberland; Adams; York; Lancaster

3. Extreme Cold Warning for: Carbon; Monroe

4. Extreme Cold Warning for: Clearfield; Northern Centre; Cambria; Blair; Somerset; Bedford

5. Extreme Cold Warning for: Mercer; Venango; Forest; Butler; Clarion; Jefferson; Armstrong; Westmoreland Ridges; Fayette Ridges; Indiana; Higher Elevations of Indiana; Eastern Preston

6. Extreme Cold Warning for: Northern Clinton; Northern Lycoming; Sullivan

7. Extreme Cold Warning for: Northern Erie; Southern Erie; Crawford

8. Extreme Cold Warning for: Southern Centre

9. Extreme Cold Warning for: Southern Clinton; Southern Lycoming

10. Extreme Cold Warning for: Warren; McKean; Potter; Elk; Cameron; Tioga

11. Wind Advisory for: Carbon; Monroe

12. Wind Advisory for: Clearfield; Northern Centre; Cambria; Blair; Somerset; Bedford

13. Wind Advisory for: Huntingdon; Fulton

14. Wind Advisory for: Mifflin; Juniata; Franklin; Union; Snyder; Montour; Northumberland; Columbia; Perry; Dauphin; Schuylkill; Lebanon; Cumberland; Adams; York; Lancaster

15. Wind Advisory for: Northern Clinton; Northern Lycoming; Sullivan

16. Wind Advisory for: Southern Centre

17. Wind Advisory for: Southern Clinton; Southern Lycoming

18. Winter Weather Advisory for: Cambria; Somerset

19. Winter Weather Advisory for: Northern Erie; Southern Erie; Crawford

20. Winter Weather Advisory for: Westmoreland Ridges; Fayette Ridges; Higher Elevations of Indiana; Ridges of Eastern Monongalia and Northwestern Preston; Preston

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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

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North America Water Vapor (Moisture)

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Weather Topic: What is Drizzle?

Home - Education - Precipitation - Drizzle

Drizzle Next Topic: Evaporation

Drizzle is precipitation in the form of water droplets which are smaller than raindrops.

Drizzle is characterized by fine, gently falling droplets and typically does not impact human habitation in a negative way. The exception to this is freezing drizzle, a condition where drizzle freezes immediately upon reaching earth's surface. Freezing drizzle is still less dangerous than freezing rain, but can potentially result in hazardous road conditions.

Next Topic: Evaporation

Weather Topic: What is Fog?

Home - Education - Cloud Types - Fog

Fog Next Topic: Fractus Clouds

Fog is technically a type of stratus cloud, which lies along the ground and obscures visibility.

It is usually created when humidity in the air condenses into tiny water droplets. Because of this, some places are more prone to foggy weather, such as regions close to a body of water.

Fog is similar to mist; both are the appearance of water droplets suspended in the air, but fog is the term applied to the condition when visibility is less than 1 km.

Next Topic: Fractus Clouds