Weather Alert in Alaska
Special Weather Statement issued September 7 at 2:50PM AKDT by NWS Juneau AK
AREAS AFFECTED: City and Borough of Yakutat; Municipality of Skagway; Haines Borough and Klukwan; Glacier Bay; Eastern Chichagof Island; Cape Fairweather to Lisianski Strait; City and Borough of Sitka; Admiralty Island; City and Borough of Juneau; Petersburg Borough; Western Kupreanof and Kuiu Island; Prince of Wales Island; City and Borough of Wrangell; Ketchikan Gateway Borough; Annette Island
DESCRIPTION: A WET FALL STORM WILL BE IMPACTING THE PANHANDLE EARLY WEDNESDAY INTO THURSDAY NIGHT DROPPING AROUND 2 TO 4 INCHES OF RAIN FOR THE LOWER ELEVATIONS AND UP TO 6 INCHES FOR THE HIGHER ELEVATIONS OF THE PANHANDLE. FREEZING LEVELS ARE STILL HIGH AROUND 8000 TO 9000 FT ACROSS THE AREA SO MOST OF THE PRECIPITATION THAT FALLS AT ELEVATION WILL BE RAIN. AREA RIVERS AND STREAMS ARE EXPECTED TO EXPERIENCE RISES IN WATER LEVELS AND INCREASED FLOWS WEDNESDAY INTO THURSDAY IN RESPONSE TO THE HEAVIER RAINFALL, AND MAY STAY HIGH INTO FRIDAY. STAY TUNED FOR MORE UPDATES AS WE GET CLOSER TO THE EVENT.
INSTRUCTION: N/A
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Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
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