back to map

Grand Forks, ND

10/01/1996-3/31/2001, hourly

Scroll down for wind roses, modal direction data, and snow transport data.

Wind Roses, Frequency Distribution (%)


 

Modal Direction
See a degrees vs. cardinal direction table.

Oct Nov Dec Jan Feb Mar Oct - Mar
170 350 350 340 350 170 350

Potential Snow Transport (Qupot) over Snow Accumulation Season [kg/m] by Wind Speed Class [kts]
Qupot Equation

Direction 11 - 16 17 - 22 23 - 27 28 - 33 >34 Total
N 1605 1530 162 186   3482
NNE 563 340       903
NE 185 102       287
ENE 235 102       337
E 227 306       533
ESE 395 204       599
SE 983 578       1561
SSE 2420 2345 162     4927
S 4336 4623 243 186   9388
SSW 1311 748       2059
SW 370 816       1186
WSW 538 272       810
W 1109 1122       2231
WNW 2193 2243       4437
NW 1731 2073 243 372   4419
NNW 2101 3127 405 558   6191
Total 43349