"BRITISH" METHOD FOR WIND CORRECTIONS
BASIC WIND TABLE
BASIC WIND TABLE IS BASED ON FULL VALUE 15 MPH WIND.
RANGE |
100 |
200 |
300 |
400 |
500 |
600 |
700 |
800 |
900 |
1000 |
MOA |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
Light Wind (3 mph) 1/4 of Basic.
Medium Wind (7 mph) 1/2 of Basic.
Heavy Wind (15 mph) Use basic value.
VARIABLE |
CHANGE |
CORRECTION |
||
TEMPERATURE |
|
@ 300m |
@ 600m |
@ 1000m |
+30 deg or more |
-2 MOA. |
-3 MOA |
-4 MOA. |
|
+20 deg |
-1 MOA |
-1.5 MOA |
-2 MOA |
|
-20deg |
+1 MOA |
+1.5 MOA |
+2 MOA |
|
-30 deg or more |
+2 MOA |
+3 MOA. |
+4 MOA. |
|
HUMIDITY |
+20% |
Add 1 MOA elevation. |
||
-20% |
Drop 1 MOA elevation. |
* General trends. Your data book is your best source of information.