courtesy of the Parks College Parachute Research Group, www.pcprg.com
written by Gary Peek, peek@pcprg.com
Based on data from 2900Z, valid from 2906Z, 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 07/29/2014 at 0234Z (UTC), 07/28/2014 at 2134 EST
| . | Reporting Station BOS | Reporting Station BDL | Reporting Station BML | ||||||
| Altitude | Direction | Speed | Temp. | Direction | Speed | Temp. | Direction | Speed | Temp. |
| 30000 |  | 64 Knots 73.6 MPH | -37 C -34.6 F | | 45 Knots 51.7 MPH | -39 C -38.2 F |  | 29 Knots 33.3 MPH | -40 C -40.0 F |
| 24000 | | 49 Knots 56.3 MPH | -23 C -9.4 F | | 38 Knots 43.7 MPH | -24 C -11.2 F | | 33 Knots 37.9 MPH | -23 C -9.4 F |
| 18000 | | 43 Knots 49.4 MPH | -11 C 12.2 F |  | 34 Knots 39.1 MPH | -12 C 10.4 F | | 26 Knots 29.9 MPH | -12 C 10.4 F |
| 12000 | | 29 Knots 33.3 MPH | 0 C 32.0 F |  | 28 Knots 32.2 MPH | -1 C 30.2 F | | 19 Knots 21.8 MPH | 0 C 32.0 F |
| 9000 | | 30 Knots 34.5 MPH | 5 C 41.0 F |  | 23 Knots 26.4 MPH | 3 C 37.4 F | | 17 Knots 19.5 MPH | 5 C 41.0 F |
| 6000 | | 29 Knots 33.3 MPH | 10 C 50.0 F |  | 18 Knots 20.7 MPH | 8 C 46.4 F |  | 19 Knots 21.8 MPH | 8 C 46.4 F |
| 3000 | | 20 Knots 23.0 MPH | N/R |  | 24 Knots 27.6 MPH | N/R |  | 26 Knots 29.9 MPH | N/R |