WxSim & NWS Forecast Comparison

National Weather Service (NW), Actual Observed (Act), WxSim Generated (WS)
Updated: 18-08-18 at 5:00 am
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F High Low High Low High Low High Low
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
18-08-18 23   24 17   15 22   20 14   14 23   22 14   14 24   23 14   15
17-08-18 20 16.9 19 15 14.1 14 22   22 16   15 20   19 14   14 23   23 13   14
15-08-18 24 18.7 24 15 10.6 16 18 16.9 20 10 14.1 11 19   19 14   15 22   21 14   15
13-08-18 22 20.6 23 13 15.9 14 22 18.7 22 14 10.6 14 24 16.9 23 13 14.1 13 19   19 10   11
12-08-18 22 20.2 22 14 15.8 15 21 20.6 21 13 15.9 13 22 18.7 21 14 10.6 14 24 16.9 23 13 14.1 15
11-08-18 22 21.7 21 15 15.1 15 22 20.2 20 14 15.8 15 22 20.6 21 13 15.9 13 22 18.7 21 14 10.6 13
10-08-18 18 16.6 19 8 8.7 9 22 21.7 21 16 15.1 14 21 20.2 19 14 15.8 14 23 20.6 23 13 15.9 13
09-08-18 21 18.9 20 9 10.2 11 18 16.6 18 8 8.7 9 21 21.7 20 15 15.1 15 22 20.2 22 14 15.8 14
08-08-18 22 19.8 22 10 11.8 11 21 18.9 20 9 10.2 12 18 16.6 19 11 8.7 11 19 21.7 18 14 15.1 15
07-08-18 26 26.2 26 12 11.6 13 22 19.8 21 11 11.8 12 20 18.9 20 9 10.2 11 19 16.6 20 12 8.7 13
06-08-18 26 23.0 25 15 15.9 16 26 26.2 25 11 11.6 12 21 19.8 21 11 11.8 11 19 18.9 20 9 10.2 10
04-08-18 24 26.7 23 12 16.2 13 26 23.0 24 13 15.9 14 26 26.2 26 14 11.6 13 24 19.8 22 12 11.8 13
03-08-18 24 22.9 25 13 13.7 15 24 26.7 23 11 16.2 13 25 23.0 24 14 15.9 14 26 26.2 26 14 11.6 15
01-08-18 23 25.8 22 16 16.7 15 26 22.9 26 16 13.7 16 26 26.7 24 14 16.2 15 24 23.0 24 13 15.9 15
31-07-18 23 21.8 22 12 13.5 12 23 25.8 21 14 16.7 14 26 22.9 25 16 13.7 15 26 26.7 26 15 16.2 15
30-07-18 22 23.8 22 12 13.2 14 22 21.8 22 12 13.5 11 23 25.8 22 14 16.7 15 24 22.9 24 15 13.7 14
29-07-18 22 20.2 19 13 12.8 13 22 23.8 19 11 13.2 12 22 21.8 22 12 13.5 12 23 25.8 22 13 16.7 12
28-07-18 18 19.3 20 13 12.0 14 21 20.2 20 14 12.8 12 22 23.8 23 12 13.2 14 21 21.8 22 12 13.5 12
27-07-18 28 28.0 28 16 17.7 18 19 19.3 21 13 12.0 14 21 20.2 20 14 12.8 14 22 23.8 22 12 13.2 14
25-07-18 25 29.2 24 14 19.2 14 28 28.0 26 18 17.7 15 27 19.3 27 15 12.0 16 22 20.2 22 12 12.8 11
24-07-18 25 25.4 26 12 11.6 15 24 29.2 23 14 19.2 12 27 28.0 25 17 17.7 16 26 19.3 24 13 12.0 14
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ 12 11 16 16 11 12 10 10 13 10 10 14 9 9 11 12
% Succ 60.0   55.0 80.0   80.0 57.9   63.2 52.6   52.6 72.2   55.6 55.6   77.8 52.9   52.9 64.7   70.6
Ave Error 1.9   2.0 1.6   1.6 1.7   2.1 2.2   2.1 2.1   2.1 1.8   1.7 2.4   2.3 1.8   1.8
Net Error 0.6   0.3 -0.9   0.0 0.4   -0.4 -1.2   -1.0 1.3   0.6 -0.2   0.0 1.3   1.1 -0.5   0.0
Std Dev 1.3   1.5 1.4   1.5 1.0   1.5 1.2   1.0 1.6   1.4 0.8   0.8 1.6   1.4 1.0   1.3

Updated: 18-08-18 at 12:00 pm
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F High Low High Low High Low High Low
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
18-08-18 22   22 17   15 22   20 14   13 23   22 14   14 24   24 14   14
17-08-18 20 16.9 18 15 14.1 14 23   23 16   15 20   20 14   13 23   24 13   15
16-08-18 19 18.7 19 10 10.6 10 19 16.9 19 15 14.1 14 22   23 15   15 21   20 15   13
15-08-18 24 22.6 23 15 15.6 16 19 18.7 20 9 10.6 11 19 16.9 19 15 14.1 14 21   22 13   13
14-08-18 21 20.6 20 15 15.9 14 25 22.6 24 14 15.6 15 18 18.7 20 10 10.6 11 19 16.9 19 14 14.1 14
13-08-18 22 20.9 22 14 13.4 14 22 20.6 22 14 15.9 15 24 22.6 24 13 15.6 16 18 18.7 19 10 10.6 11
12-08-18 22 20.2 20 14 15.8 15 21 20.9 21 13 13.4 13 22 20.6 21 14 15.9 14 23 22.6 23 13 15.6 14
11-08-18 22 21.7 21 15 15.1 15 22 20.2 21 14 15.8 15 21 20.9 21 12 13.4 13 22 20.6 22 14 15.9 16
10-08-18 19 16.6 18 8 8.7 9 22 21.7 21 16 15.1 15 22 20.2 20 13 15.8 13 22 20.9 20 13 13.4 14
09-08-18 21 18.9 19 10 10.2 10 18 16.6 18 8 8.7 9 21 21.7 21 15 15.1 14 21 20.2 20 14 15.8 13
08-08-18 21 19.8 21 10 11.8 12 21 18.9 20 9 10.2 10 18 16.6 19 10 8.7 10 20 21.7 18 14 15.1 14
07-08-18 27 26.2 26 12 11.6 12 22 19.8 22 11 11.8 11 21 18.9 21 9 10.2 12 18 16.6 19 12 8.7 11
06-08-18 24 23.0 24 15 15.9 14 26 26.2 25 11 11.6 12 22 19.8 22 11 11.8 11 19 18.9 20 9 10.2 10
05-08-18 27 26.7 26 13 16.2 14 25 23.0 24 14 15.9 15 26 26.2 25 11 11.6 15 21 19.8 22 11 11.8 12
04-08-18 23 23.3 22 12 12.9 12 26 26.7 24 13 16.2 13 26 23.0 25 14 15.9 12 26 26.2 23 12 11.6 13
03-08-18 24 22.9 23 13 13.7 15 23 23.3 22 11 12.9 13 26 26.7 24 14 16.2 13 25 23.0 25 14 15.9 15
01-08-18 24 25.8 22 16 16.7 15 26 22.9 26 16 13.7 15 25 23.3 24 14 12.9 14 24 26.7 23 13 16.2 13
31-07-18 24 21.8 22 12 13.5 12 23 25.8 21 15 16.7 15 26 22.9 25 16 13.7 15 26 23.3 25 15 12.9 15
30-07-18 23 23.8 22 12 13.2 13 22 21.8 21 12 13.5 12 23 25.8 21 13 16.7 13 26 22.9 25 16 13.7 14
29-07-18 22 20.2 19 13 12.8 13 22 23.8 22 12 13.2 14 22 21.8 22 12 13.5 11 23 25.8 21 13 16.7 13
27-07-18 28 19.3 28 17 12.0 18 19 20.2 20 12 12.8 13 21 23.8 19 14 13.2 14 22 21.8 23 12 13.5 14
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ 15 18 18 18 13 14 17 18 11 10 13 12 12 9 11 12
% Succ 75.0   90.0 90.0   90.0 68.4   73.7 89.5   94.7 61.1   55.6 72.2   66.7 70.6   52.9 64.7   70.6
Ave Error 1.6   1.3 1.1   1.1 1.4   1.5 1.4   0.8 1.6   1.7 1.5   1.7 1.4   2.0 1.7   1.3
Net Error 1.4   0.3 -0.4   -0.1 0.7   0.1 -1.0   -0.4 0.7   0.1 -0.8   -0.6 0.5   0.0 -0.7   -0.3
Std Dev 0.9   0.9 0.7   0.7 0.9   1.0 0.7   0.7 0.8   0.8 0.7   1.1 0.7   1.0 0.9   0.9