MSGID: 1:317/3 63c04ac4   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
   January 12, 2023 - Snowfall in the Alps   
      
      snowfall in the alps   
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      After a warm start to the New Year, the first substantial snow of 2023   
      fell across Europe’s iconic mountain range between January 8 and 9. The   
      Moderate Resolution Imaging Spectroradiometer (MODIS) on board NASA’s   
      Terra satellite acquired a false-color image of the western section of   
      the Alps laden with fresh snow on January 10 (top). The lower Terra   
      MODIS images shows the same area just three days earlier, on January 7.   
      At that time, snow topped only the highest elevations while lower   
      slopes and valleys remain bare.   
      
      In this type of false-color image, MODIS bands 7,2,1 are used to help   
      differentiate snow from cloud and surrounding vegetation. Here, snow   
      appears bright electric blue, vegetation is green, bare ground looks   
      tan, and water shows up as deep blue or black. Most cloud will look   
      white, except for high, cold cloud that contains ice crystals, which   
      may be tinted with light electric blue.   
      
      Widespread high temperatures across the Alpine countries are being   
      blamed for a lack of snow. According to various media reports, on New   
      Years Eve overnight lows in France were measured at 11˚C (51.8˚F)—the   
      warmest on record for that date since record-keeping began n 1947.   
      Meanwhile, in Delemont, Switzerland, the early morning hours on January   
      1 brought temperatures of 19.3˚C (66.7˚F), setting a January record for   
      the north side of the Alps.   
      
      The high temperatures, along with rain in some areas, meant so little   
      snow that lower-elevation ski resorts have been unable to open, and   
      even made snow-making at the warmer locations impossible. The lack of   
      snow has even forced the cancellation of several World Cup ski   
      competitions held in early January. While a single snow event doesn’t   
      mean a white winter is now secure, the return of a little bit of winter   
      to the Alps is a much-welcomed event.   
      
      Image Facts   
      Satellite:  Terra   
      Date Acquired: 1/10/2023   
      Resolutions:  1km (567.6 KB),  500m (1.6 MB),  250m (1 MB)   
      Bands Used: 7,2,1   
      Image Credit: MODIS Land Rapid Response Team, NASA GSFC   
      
      
      
   https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2023-01-12   
       
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