- New tornado-prediction method could add vital minutes to warning times. The new prediction algorithm, based on radar measurements of wind speed and turbulence, can forecast a tornado with 90 percent accuracy within a 62-mile radius. http://onlinelibrary.wiley.com/doi/10.1002/asl.795/abstract?systemmessage=wiley+online+library+usage+report+download+page+will+be+unavailable+on+friday+24th+november+2017+at+21%3A00+est+%2F+02.00+gmt+%2F+10%3A00+sgt+%28saturday+25th+nov+for+sgt+ 13 comments science