Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

NOTE - The cause of unrepresentative data in this product during summer 2025 was identified and resolved on 9/17/2025. We apologize for the incovenience, and Thank members of the soaring community for alerting us about the problem.

Soaring Forecast for Southwest Ohio                                
                                                                   
Forecast Preparation Time/Date........00:10 GMT Fri Dec 26 2025                  
Upper Air Data Collection Time/Date...12:00 GMT Thu Dec 25 2025     
                                                                   
Forecast is based on upper air data collected at Wilmington, OH.   
Elevation 1060 feet.                                               
                                                                   
Height          Wind          Wind           Temp           Soaring
(ft AGL)        Direction     Speed(kts)     (Deg C)        Index  
3000            310           23             10              4.0
5000            285           30              7              6.5
7000            280           31              3              8.5
 
Temperature needed for lift to 3000 ft agl (Trigger Temp)..69 
 
Time at which trigger temperature will be reached..........Will Not Reach  
 
Maximum Temperature for the day............................61 Deg F
 
Maximum altitude of thermals...............................700 (ft agl)
 
Height where cumulus will form.............................No Cu Expected (ft agl)
 
Base of cumulus during the afternoon.......................No Cu Expected (ft agl)
 
Total Sky Cover in Eighths (Oktas) (11 AM to 4 PM).........Unavailable
 
Implications of specific soaring indices:
-4 or Less............Excellent
-3....................Good
-2 or -1..............Fair
Zero or Greater.......Poor

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