Nowcasting Notes:                                                                                             

- temps in Fahrenheit

- wind speed in knots

- direction in 10 increments

- precip in prior 6 hour period or 3 hour depending on the day. 

Error Score will be calculated as follows:

-  1 point for every T and Td degree off

-  1 point for every 2 Knots off

-  1 point for every 10 direction degrees off over 10 degrees

(No direction errors if wind is 5 knots or less. If speed < 10 kts, no more than 8 error pts.)

-  2 points for every precipitation category off

0 0                            .15 to .24 6

T 1                            .25 to .34 - 7

.01 to .03 2               .35 to .49 - 8

.04 to .06 3               .50 to .74 - 9

.07 to .09 4               .75 to .99 - 10

.10 to .14 5               > .99    -     11 

 

 



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