prb_24hsnow_ge01_0f024_sm.gif "Valid 00Z 11/30/99 - 00Z 12/01/99" 
      prb_24hsnow_ge01_0f048_sm.gif "Valid 00Z 12/01/99 - 00Z 12/02/99" 
      prb_24hsnow_ge01_0f072_sm.gif "Valid 00Z 12/02/99 - 00Z 12/03/99"