After reviewing the run data collected during the 2010 season, and consulting with the Sportsman Racer Advisory Council as well as the Stock/Super Stock Committee; the NHRA Technical Department has made changes to the altitude correction factors, for 2011. Below is are the revised factors for altitude corrected NHRA member tracks.
|
NHRA ALTITUDE CORRECTION FACTORS |
|
Stock & Super Stock |
|
|
Convert to Sea Level |
Convert to Altitude |
|
Track Name |
Alt |
ET |
MPH |
ET |
MPH |
|
DIVISION 4 |
|
Amarillo, TX |
3700 |
0.9646 |
1.0337 |
1.0367 |
0.9674 |
|
Roswell, NM |
3700 |
0.9646 |
1.0337 |
1.0367 |
0.9674 |
|
|
|
DIVISION 5 |
|
Denver, CO |
5800 |
0.9405 |
1.0563 |
1.0633 |
0.9467 |
|
Douglas, WY |
4900 |
0.9508 |
1.0466 |
1.0517 |
0.9555 |
|
Grand Junction, CO |
4800 |
0.9520 |
1.0455 |
1.0504 |
0.9565 |
|
Great Bend, KS |
1900 |
0.9853 |
1.0143 |
1.0149 |
0.9859 |
|
Julesburg, CO |
3500 |
0.9669 |
1.0315 |
1.0342 |
0.9694 |
|
Kearney, Neb. |
2100 |
0.9830 |
1.0165 |
1.0173 |
0.9838 |
|
Pierre, S.D. |
1700 |
0.9876 |
1.0122 |
1.0126 |
0.9880 |
|
Pueblo, CO |
4900 |
0.9508 |
1.0466 |
1.0517 |
0.9555 |
|
|
|
DIVISION 6 |
|
Acton, MT |
3700 |
0.9646 |
1.0337 |
1.0367 |
0.9674 |
|
Anaconda, MT |
5100 |
0.9485 |
1.0488 |
1.0543 |
0.9535 |
|
Ashcroft, CAN |
1700 |
0.9876 |
1.0122 |
1.0126 |
0.9880 |
|
Boise, ID |
2700 |
0.9761 |
1.0229 |
1.0245 |
0.9776 |
|
Lewistown, MT |
4100 |
0.9600 |
1.0380 |
1.0416 |
0.9634 |
|
Medicine Hat, CAN |
2400 |
0.9796 |
1.0197 |
1.0209 |
0.9807 |
|
Prince George, BC |
2200 |
0.9819 |
1.0175 |
1.0185 |
0.9828 |
|
Saskatoon, CAN |
1600 |
0.9888 |
1.0111 |
1.0114 |
0.989 |
|
Spokane, WA. |
2300 |
0.9807 |
1.0186 |
1.0197 |
0.9817 |
|
|
|
DIVISION 7 |
|
Albuquerque |
5400 |
0.9451 |
1.052 |
1.0581 |
0.9506 |
|
Fallon, NV |
4000 |
0.9612 |
1.0369 |
1.0404 |
0.9644 |
|
Inyokern, CA |
2400 |
0.9796 |
1.0197 |
1.0209 |
0.9807 |
|
Las Vegas, NV |
2100 |
0.9830 |
1.0165 |
1.0173 |
0.9838 |
|
Tucson, AZ |
3000 |
0.9727 |
1.0262 |
1.0281 |
0.9745 |
