Weather Alert in Alaska
Hydrologic Outlook issued August 30 at 9:40PM AKDT by NWS Fairbanks AK
AREAS AFFECTED: Fairbanks Metro Area
DESCRIPTION: ESFAFG As of 9 PM on Saturday, the Tanana River at Fairbanks has risen to 23.74 feet and water levels are still rising. Flooding impacts are not expected at this time, but those near the Tanana River outside of the dike may observe high groundwater levels. While it is still somewhat uncertain exactly how much the Tanana will rise before cresting and receding, river levels will likely approach 24 feet either tomorrow or Labor Day. At this level, while no specific flood impacts will be realized, bankfull conditions will be noted in the vicinity of Old Richardson Hwy in Salcha, and water may begin to spill over the bank and approach Ruger Trail near Bradbury Road. Tanana River water has a history of beginning to flow into the Piledriver Slough as well when river levels in the Tanana at Fairbanks reach 24 feet. Additional rainfall amounts over the next few days in Fairbanks and upstream areas are expected to remain under a quarter of an inch. As such, any further rainfall this weekend is not expected to bring additional impacts to locations in Fairbanks near the Tanana.
INSTRUCTION: N/A
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Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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