Weather Alert in Pennsylvania
Special Weather Statement issued February 11 at 2:11PM EST by NWS State College PA
AREAS AFFECTED: Warren; McKean; Elk; Clearfield; Cambria; Somerset
DESCRIPTION: Deepening cold and relatively moist air being lifted across the Mountains of Western Pennsylvania will result in fairly persistent light snow late today through Thursday. Snowfall rates will peak at only around one-quarter of an inch per hour for much of the area along and to the east of the Route 219 corridor. However, a few periods of snowfall rates of one half inch per hour or greater will likely occur in the areas of greatest upslope flow, such as the ski areas of the Laurel Highlands and the perennial snowbelt of Northern Warren County. Total snowfall during this 24 to 30 hour period will range from just an inch or two in the valleys near and to the east of Route 219, to as much as 4 or 5 inches along the crest of Laurel Ridge in Somerset County. Roads could become snow covered and slippery tonight and Thursday as temperatures settle into the upper teens to low 20s for the bulk of the time. Use extra caution and allow extra time to reach your destination if you plan to travel.
INSTRUCTION: N/A
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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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