National Weather Service United States Department of Commerce
Soaring Forecast for the Twin Cities Area              
              Prepared at 12:38 GMT Sun May 28 2017                              
                                                                   
Height          Wind          Wind           Temp           Soaring
(ft AGL)        Direction     Speed(kts)     (Deg C)        Index  
3000            280           25             11             -2.5
5000            270           24              6             -1.0
7000            255           23              1              0.5
 
Temperature needed for lift to 3000 ft agl (Trigger Temp)..70 
 
Time at which trigger temperature will be reached..........2 pm
 
Maximum Temperature for the day............................73 Deg F
 
Maximum altitude of thermals...............................6600 (ft agl)
 
Height where cumulus will form.............................3600 (ft agl)
 
Base of cumulus during the afternoon.......................4300 (ft agl)
 
Total Sky Cover in Eighths (Oktas) (11 AM to 4 PM).........0
 
Implications of specific soaring indices:
-4 or Less............Excellent
-3....................Good
-2 or -1..............Fair
Zero or Greater.......Poor
 
Forecast is based on Upper Air Data collected
at Chanhassen, Minnesota. Elevation 943 feet.
 
 
 
To: Princeton FSS, FAX, (763) 389-7143  Voice, (800) 642-6505
From: National Weather Service Chanhassen, Voice (952) 361-6671