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Weather Condition 3: Must meet all of the following criteria: Severe weather is possible within 24 to 48 hours; Visibility is greater than 300 metres (980 ft) Wind less than or equal to 45 knots (83 km/h; 52 mph) Air temperature and wind chill are above −60 °C (−76 °F) Weather Condition 2: Must meet all of the following criteria:
Get the Branson, MO local weather forecast by the hour and the next 10 days.
An iceberg larger than Rhode Island broke off from the Ronne ice shelf in Antarctica's Weddell Sea mid-May, and a satellite operated by European scientists captured the moment the massive piece of ...
The Antarctic Automatic Weather Station (AWS) Project is an Antarctic research program at the Space Science and Engineering Center at the University of Wisconsin–Madison that is funded by the Office of Polar Programs at the National Science Foundation (NSF). The AWS project was started in 1980 by UW-Madison atmospheric sciences Professor ...
Nearly all of Antarctica is covered by a sheet of ice that is, on average, at least 1,500 m (5,000 ft) thick. Antarctica contains 90% of the world's ice and more than 70% of its fresh water. If all the land-ice covering Antarctica were to melt—around 30 × 10 ^ 6 km 3 (7.2 × 10 ^ 6 cu mi) of ice—the seas would rise by over 60 m (200 ft). [22]
The climate of the Schirmacher Oasis is relatively mild for Antarctic conditions.The annual average temperature is −10.4 °C (13.3 °F) (ranging from 0.9 °C (33.6 °F) in summer to −22.0 °C (−7.6 °F) in winter), [2] the annual average wind speed is 9.7 m/s (22 mph; 18.9 kn), the annual average precipitation is 264.5 mm (10.41 in), and there are 350 hours of sunshine per month.
The unique conditions in the Dry Valleys are caused, in part, by katabatic winds; these occur when cold, dense air is pulled downhill by the force of gravity. The dry wind evaporates the snow rapidly and little melts into the soil. During the summer, this process can take only hours. Another important factor is a lack of precipitation.
The William Glacier in Antarctica partially collapsed in the same week as Antarctica's hottest recorded day at 65ºF. It lasted for several minutes and stretched half a mile.