courtesy of the Parks College Parachute Research Group, www.pcprg.com
written by Gary Peek, peek@pcprg.com
Based on data from 2306Z, valid from 2312Z, 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 04/23/2014 at 0822Z (UTC), 04/23/2014 at 0322 EST
| . | Reporting Station BOS | Reporting Station BDL | Reporting Station BML | ||||||
| Altitude | Direction | Speed | Temp. | Direction | Speed | Temp. | Direction | Speed | Temp. |
| 30000 |  | 62 Knots 71.3 MPH | -49 C -56.2 F | | 52 Knots 59.8 MPH | -47 C -52.6 F | | 50 Knots 57.5 MPH | -50 C -58.0 F |
| 24000 | | 54 Knots 62.1 MPH | -34 C -29.2 F | | 53 Knots 60.9 MPH | -35 C -31.0 F | | 47 Knots 54.0 MPH | -36 C -32.8 F |
| 18000 | | 48 Knots 55.2 MPH | -22 C -7.6 F |  | 48 Knots 55.2 MPH | -24 C -11.2 F | | 35 Knots 40.2 MPH | -23 C -9.4 F |
| 12000 |  | 38 Knots 43.7 MPH | -9 C 15.8 F | | 34 Knots 39.1 MPH | -11 C 12.2 F |  | 25 Knots 28.7 MPH | -9 C 15.8 F |
| 9000 | | 31 Knots 35.6 MPH | -6 C 21.2 F | | 21 Knots 24.1 MPH | -8 C 17.6 F |  | 14 Knots 16.1 MPH | -5 C 23.0 F |
| 6000 |  | 12 Knots 13.8 MPH | 1 C 33.8 F | | 5 Knots 5.8 MPH | -2 C 28.4 F |  | 17 Knots 19.5 MPH | 0 C 32.0 F |
| 3000 |  | 6 Knots 6.9 MPH | N/R |  | 20 Knots 23.0 MPH | N/R |  | 16 Knots 18.4 MPH | N/R |