Weather Alert in Alaska
Winter Weather Advisory issued February 28 at 1:51PM AKST until March 2 at 6:00AM AKST by NWS Juneau AK
AREAS AFFECTED: City and Borough of Wrangell
DESCRIPTION: ...CENTRAL AND SOUTHERN PANHANDLE SNOW SATURDAY WITH POTENTIAL FOR MORE SNOW SUNDAY... Steady snowfall continues across a majority of the panhandle and will continue to pick up as the low moves into the eastern gulf through Saturday afternoon. Later in the afternoon and evening, south to southwest wind are expected to cause temperatures to warm over the southern outer coast with precipitation becoming a mix or changing to all rain. Around the same time, snow will end on the NW side of the low, from Sitka to Juneau and northward. Moisture will decrease overnight Saturday across the south, but then redevelop on Sunday as another system moves in. The rain/snow line will likely hover in vicinity of Sumner Strait Sunday into Monday with additional heavy snow expected for the Petersburg and Wrangell areas and lighter snow northward. A separate low pressure system looks to affect the region on Tuesday with potential for snow to push northward once again. * WHAT...For the Winter Storm Warning, heavy snow. Additional snow accumulations of 3 to 5 inches. For the Winter Weather Advisory, snow expected. Total snow accumulations of 7 to 10 inches. * WHERE...City and Borough of Wrangell. * WHEN...For the Winter Storm Warning, until 11 PM AKST this evening. For the Winter Weather Advisory, from 6 AM Sunday to 6 AM AKST Monday. * IMPACTS...Travel will be difficult. * ADDITIONAL DETAILS...Snowfall rates are expected to drop off overnight Saturday into Sunday morning. Another surge of moisture will bring higher snowfall rates by late Sunday morning. A warm push is expected to lower snowfall ratios and cause a transition to mixed precipitation by Monday morning.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water with you in case of an emergency. Slow down and use caution while traveling. People are urged to prepare their property before the onset of winter weather. For the latest road conditions, where available, call 5 1 1 or visit 511.alaska.gov.
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Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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