courtesy of the Parks College Parachute Research Group, www.pcprg.com
written by Gary Peek, peek@pcprg.com
Based on data from 0406Z, valid from 0412Z, for use from 0800-1500Z (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 03/04/2015 at 0828Z (UTC), 03/04/2015 at 0328 EST
| . | Reporting Station BOS | Reporting Station BDL | Reporting Station BML | ||||||
| Altitude | Direction | Speed | Temp. | Direction | Speed | Temp. | Direction | Speed | Temp. |
| 30000 |  | 115 Knots 132.2 MPH | -44 C -47.2 F | | 116 Knots 133.4 MPH | -44 C -47.2 F |  | 157 Knots 180.5 MPH | -43 C -45.4 F |
| 24000 | | 105 Knots 120.7 MPH | -27 C -16.6 F | | 109 Knots 125.3 MPH | -27 C -16.6 F | | 135 Knots 155.2 MPH | -29 C -20.2 F |
| 18000 | | 92 Knots 105.8 MPH | -16 C 3.2 F | | 94 Knots 108.1 MPH | -16 C 3.2 F | | 101 Knots 116.1 MPH | -19 C -2.2 F |
| 12000 | | 83 Knots 95.4 MPH | -5 C 23.0 F | | 79 Knots 90.8 MPH | -5 C 23.0 F | | 72 Knots 82.8 MPH | -10 C 14.0 F |
| 9000 | | 66 Knots 75.9 MPH | -1 C 30.2 F | | 65 Knots 74.8 MPH | -1 C 30.2 F | | 62 Knots 71.3 MPH | -4 C 24.8 F |
| 6000 | | 66 Knots 75.9 MPH | 6 C 42.8 F | | 61 Knots 70.1 MPH | 5 C 41.0 F |  | 59 Knots 67.8 MPH | -7 C 19.4 F |
| 3000 |  | 44 Knots 50.6 MPH | N/R | | 37 Knots 42.5 MPH | N/R | | 35 Knots 40.2 MPH | N/R |