courtesy of the Parks College Parachute Research Group, www.pcprg.com
written by Gary Peek, peek@pcprg.com
Based on data from 0700Z, valid from 0706Z, for use from 0200-0900Z (UTC)
Winds aloft data changes only four times per day.
There is no need to check winds aloft more often than that.
See http://aviationweather.gov/products/nws/winds/info.php
Currently 12/07/2013 at 0628Z (UTC), 12/07/2013 at 0128 EST
| . | Reporting Station BOS | Reporting Station BDL | Reporting Station BML | ||||||
| Altitude | Direction | Speed | Temp. | Direction | Speed | Temp. | Direction | Speed | Temp. |
| 30000 |  | 111 Knots 127.6 MPH | -41 C -41.8 F | | 115 Knots 132.2 MPH | -41 C -41.8 F | | 132 Knots 151.8 MPH | -42 C -43.6 F |
| 24000 | | 104 Knots 119.6 MPH | -24 C -11.2 F | | 102 Knots 117.3 MPH | -24 C -11.2 F | | 119 Knots 136.8 MPH | -27 C -16.6 F |
| 18000 |  | 98 Knots 112.7 MPH | -13 C 8.6 F | | 93 Knots 106.9 MPH | -13 C 8.6 F |  | 96 Knots 110.4 MPH | -16 C 3.2 F |
| 12000 | | 72 Knots 82.8 MPH | -2 C 28.4 F | | 70 Knots 80.5 MPH | -3 C 26.6 F | | 67 Knots 77.0 MPH | -7 C 19.4 F |
| 9000 | | 37 Knots 42.5 MPH | -2 C 28.4 F | | 35 Knots 40.2 MPH | -2 C 28.4 F |  | 53 Knots 60.9 MPH | -5 C 23.0 F |
| 6000 | | 21 Knots 24.1 MPH | 0 C 32.0 F | | 28 Knots 32.2 MPH | 0 C 32.0 F |  | 25 Knots 28.7 MPH | -11 C 12.2 F |
| 3000 |  | 12 Knots 13.8 MPH | N/R |  | 15 Knots 17.2 MPH | N/R |  | 17 Knots 19.5 MPH | N/R |