Weather Alerts for Pennsylvania
1. Air Quality Alert for: Dauphin; Lebanon; Cumberland; York; Lancaster
2. Cold Weather Advisory for: Huntingdon; Fulton
3. Cold Weather Advisory for: Mifflin; Juniata; Franklin; Union; Snyder; Montour; Northumberland; Columbia; Perry; Dauphin; Schuylkill; Lebanon; Cumberland; Adams; York; Lancaster
4. Extreme Cold Warning for: Carbon; Monroe
5. Extreme Cold Warning for: Clearfield; Northern Centre; Cambria; Blair; Somerset; Bedford
6. Extreme Cold Warning for: Mercer; Venango; Forest; Butler; Clarion; Jefferson; Armstrong; Westmoreland Ridges; Fayette Ridges; Indiana; Higher Elevations of Indiana; Eastern Preston
7. Extreme Cold Warning for: Northern Clinton; Northern Lycoming; Sullivan
8. Extreme Cold Warning for: Northern Erie; Southern Erie; Crawford
9. Extreme Cold Warning for: Southern Centre
10. Extreme Cold Warning for: Southern Clinton; Southern Lycoming
11. Extreme Cold Warning for: Warren; McKean; Potter; Elk; Cameron; Tioga
12. Wind Advisory for: Carbon; Monroe
13. Wind Advisory for: Clearfield; Northern Centre; Cambria; Blair; Somerset; Bedford
14. Wind Advisory for: Huntingdon; Fulton
15. Wind Advisory for: Mifflin; Juniata; Franklin; Union; Snyder; Montour; Northumberland; Columbia; Perry; Dauphin; Schuylkill; Lebanon; Cumberland; Adams; York; Lancaster
16. Wind Advisory for: Northern Clinton; Northern Lycoming; Sullivan
17. Wind Advisory for: Southern Centre
18. Wind Advisory for: Southern Clinton; Southern Lycoming
19. Winter Weather Advisory for: Cambria; Somerset
20. Winter Weather Advisory for: Northern Erie; Southern Erie; Crawford
21. Winter Weather Advisory for: Westmoreland Ridges; Fayette Ridges; Higher Elevations of Indiana; Ridges of Eastern Monongalia and Northwestern Preston; Preston
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Weather Topic: What are Altocumulus Clouds?
Home - Education - Cloud Types - Altocumulus Clouds
Next Topic: Altostratus Clouds
Similar to cirrocumulus clouds, altocumulus clouds are
characterized by cloud patches. They are distinguished by larger cloudlets
than cirrocumulus clouds but are still smaller than stratocumulus clouds.
Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km)
and may resemble, at times, the shape of a flying saucer.
These uncommon formations, called altocumulus lenticularis, are created by uplift
in the atmosphere and are most often seen in close proximity to mountains.
Next Topic: Altostratus Clouds
Weather Topic: What are Cirrocumulus Clouds?
Home - Education - Cloud Types - Cirrocumulus Clouds
Next Topic: Cirrostratus Clouds
Cirrocumulus clouds form at high altitudes (usually around 5 km)
and have distinguishing characteristics displayed in a fine layer of
small cloud patches. These small cloud patches are sometimes referred to as
"cloudlets" in relation to the whole cloud formation.
Cirrocumulus clouds are formed from ice crystals and water droplets. Often, the
water droplets in the cloud freeze into ice crystals and the cloud becomes a
cirrostratus cloud. Because of this common occurrence, cirrocumulus cloud
formations generally pass rapidly.
Next Topic: Cirrostratus Clouds
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