US Winds Aloft Forecast for Drop Zones from National Weather Service data
courtesy of the Parks College Parachute Research Group,
written by Gary Peek,

Winds aloft data changes only four times per day.
There is no need to check winds aloft more often than that.

Please do not call this program from a script, cause it to be displayed
by an automatic page refresh, or embed it in another web page.

Based on data from 1418Z, valid from 1500Z, for use from 2000-0300Z (UTC)
Currently 04/14/2021 at 2037Z (UTC), 04/14/2021 at 1537 EST

***Reporting Station: JOT
12000 33 Knots
37.9 MPH
-13 C
8.6 F
9000 30 Knots
34.5 MPH
-7 C
19.4 F
6000 18 Knots
20.7 MPH
-7 C
19.4 F
3000 16 Knots
18.4 MPH

log file