WxSim & NWS Forecast Comparison
National Weather Service (NW), Actual Observed (Act), WxSim Generated (WS)
AM Forecast Comparison
| Updated: 02-04-12 at 5:55 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 |
| 02-04-12 |
37 |
|
38 |
24 |
|
17 |
40 |
|
45 |
26 |
|
18 |
45 |
|
46 |
20 |
|
25 |
27 |
|
37 |
17 |
|
13 |
| 02-03-12 |
37 |
31.0 |
40 |
25 |
20.9 |
29 |
39 |
|
39 |
25 |
|
18 |
39 |
|
44 |
24 |
|
17 |
41 |
|
44 |
21 |
|
26 |
| 02-02-12 |
42 |
31.4 |
43 |
26 |
29.1 |
23 |
39 |
31.0 |
43 |
26 |
20.9 |
21 |
36 |
|
45 |
26 |
|
19 |
36 |
|
46 |
25 |
|
18 |
| 02-01-12 |
42 |
34.4 |
42 |
26 |
25.2 |
25 |
41 |
31.4 |
41 |
27 |
29.1 |
24 |
38 |
31.0 |
42 |
24 |
20.9 |
26 |
35 |
|
37 |
24 |
|
27 |
| 01-31-12 |
42 |
45.0 |
52 |
26 |
29.5 |
31 |
41 |
34.4 |
43 |
24 |
25.2 |
21 |
42 |
31.4 |
45 |
27 |
29.1 |
22 |
37 |
31.0 |
44 |
23 |
20.9 |
26 |
| 01-30-12 |
41 |
44.9 |
49 |
31 |
32.7 |
28 |
40 |
45.0 |
50 |
23 |
29.5 |
28 |
37 |
34.4 |
46 |
23 |
25.2 |
20 |
37 |
31.4 |
46 |
25 |
29.1 |
24 |
| 01-29-12 |
21 |
21.5 |
28 |
18 |
15.5 |
20 |
41 |
44.9 |
50 |
30 |
32.7 |
26 |
41 |
45.0 |
51 |
25 |
29.5 |
29 |
37 |
34.4 |
47 |
24 |
25.2 |
19 |
| 01-28-12 |
27 |
28.0 |
32 |
13 |
11.4 |
10 |
21 |
21.5 |
27 |
18 |
15.5 |
22 |
39 |
44.9 |
47 |
26 |
32.7 |
23 |
38 |
45.0 |
45 |
24 |
29.5 |
27 |
| 01-27-12 |
33 |
34.4 |
39 |
17 |
17.4 |
13 |
26 |
28.0 |
27 |
11 |
11.4 |
11 |
21 |
21.5 |
16 |
13 |
15.5 |
6 |
34 |
44.9 |
41 |
26 |
32.7 |
16 |
| 01-26-12 |
36 |
38.7 |
45 |
17 |
17.4 |
22 |
30 |
34.4 |
31 |
13 |
17.4 |
13 |
25 |
28.0 |
28 |
7 |
11.4 |
12 |
17 |
21.5 |
21 |
12 |
15.5 |
14 |
| 01-24-12 |
24 |
31.4 |
35 |
16 |
27.3 |
23 |
32 |
38.7 |
36 |
23 |
17.4 |
25 |
34 |
34.4 |
42 |
17 |
17.4 |
19 |
31 |
28.0 |
37 |
15 |
11.4 |
18 |
| 01-23-12 |
24 |
26.0 |
24 |
5 |
14.6 |
9 |
23 |
31.4 |
33 |
13 |
27.3 |
11 |
30 |
38.7 |
41 |
22 |
17.4 |
18 |
34 |
34.4 |
40 |
21 |
17.4 |
17 |
| 01-22-12 |
31 |
26.6 |
28 |
23 |
22.1 |
21 |
26 |
26.0 |
22 |
8 |
14.6 |
10 |
23 |
31.4 |
29 |
15 |
27.3 |
6 |
32 |
38.7 |
38 |
23 |
17.4 |
13 |
| 01-21-12 |
15 |
18.7 |
22 |
13 |
18.4 |
17 |
30 |
26.6 |
30 |
21 |
22.1 |
21 |
23 |
26.0 |
25 |
9 |
14.6 |
12 |
22 |
31.4 |
34 |
18 |
27.3 |
11 |
| 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 |
4 |
|
2 |
6 |
|
5 |
3 |
|
2 |
3 |
|
4 |
2 |
|
2 |
1 |
|
4 |
1 |
|
3 |
1 |
|
2 |
| % Succ |
30.8 |
|
15.4 |
46.2 |
|
38.5 |
25.0 |
|
16.7 |
25.0 |
|
33.3 |
18.2 |
|
18.2 |
9.1 |
|
36.4 |
10.0 |
|
30.0 |
10.0 |
|
20.0 |
| Ave Error |
4.2 |
|
5.5 |
3.5 |
|
3.7 |
4.9 |
|
5.2 |
4.4 |
|
4.9 |
4.9 |
|
5.7 |
4.4 |
|
5.8 |
5.6 |
|
6.3 |
4.5 |
|
6.5 |
|
0.2 |
|
5.2 |
-2.0 |
|
-0.8 |
-0.3 |
|
3.3 |
-2.2 |
|
-2.5 |
-1.2 |
|
4.1 |
-3.0 |
|
-4.4 |
-2.2 |
|
5.2 |
-1.5 |
|
-4.1 |
| Std Dev |
3.1 |
|
3.1 |
3.4 |
|
2.4 |
3.3 |
|
3.8 |
3.9 |
|
4.5 |
3.8 |
|
5.0 |
2.9 |
|
4.3 |
4.1 |
|
6.2 |
3.2 |
|
5.6 |
|
|
|
PM Forecast Comparison
| Updated: 02-03-12 at 5:55 pm |
| Goal |
Forecast Day |
Day +1 |
Day +2 |
Day +3 |
| ± 2.0° F |
Low |
High |
Low |
High |
Low |
High |
Low |
High |
| 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 |
| 02-03-12 |
26 |
|
24 |
40 |
|
35 |
23 |
|
13 |
39 |
|
39 |
26 |
|
17 |
45 |
|
44 |
21 |
|
22 |
28 |
|
36 |
| 02-02-12 |
28 |
29.1 |
27 |
39 |
31.0 |
43 |
25 |
|
28 |
38 |
|
42 |
25 |
|
18 |
39 |
|
44 |
24 |
|
18 |
41 |
|
45 |
| 02-01-12 |
27 |
25.2 |
26 |
42 |
31.4 |
42 |
28 |
29.1 |
24 |
40 |
31.0 |
41 |
26 |
|
25 |
35 |
|
39 |
26 |
|
24 |
38 |
|
45 |
| 01-31-12 |
26 |
29.5 |
21 |
41 |
34.4 |
40 |
25 |
25.2 |
22 |
40 |
31.4 |
42 |
28 |
29.1 |
24 |
39 |
31.0 |
42 |
24 |
|
24 |
34 |
|
42 |
| 01-30-12 |
33 |
32.7 |
28 |
41 |
45.0 |
45 |
26 |
29.5 |
28 |
40 |
34.4 |
45 |
24 |
25.2 |
18 |
41 |
31.4 |
45 |
26 |
29.1 |
22 |
35 |
31.0 |
44 |
| 01-29-12 |
19 |
15.5 |
10 |
39 |
44.9 |
47 |
31 |
32.7 |
29 |
39 |
45.0 |
50 |
26 |
29.5 |
29 |
38 |
34.4 |
48 |
23 |
25.2 |
18 |
37 |
31.4 |
45 |
| 01-28-12 |
13 |
11.4 |
10 |
21 |
21.5 |
25 |
18 |
15.5 |
19 |
41 |
44.9 |
48 |
28 |
32.7 |
24 |
38 |
45.0 |
44 |
25 |
29.5 |
23 |
38 |
34.4 |
46 |
| 01-27-12 |
16 |
17.4 |
13 |
26 |
28.0 |
31 |
11 |
11.4 |
10 |
21 |
21.5 |
25 |
17 |
15.5 |
19 |
36 |
44.9 |
46 |
26 |
32.7 |
20 |
37 |
45.0 |
42 |
| 01-26-12 |
17 |
17.4 |
16 |
30 |
34.4 |
32 |
15 |
17.4 |
12 |
25 |
28.0 |
25 |
7 |
11.4 |
14 |
18 |
21.5 |
25 |
11 |
15.5 |
15 |
31 |
44.9 |
44 |
| 01-25-12 |
23 |
27.3 |
24 |
33 |
38.7 |
36 |
19 |
17.4 |
14 |
29 |
34.4 |
33 |
13 |
17.4 |
14 |
23 |
28.0 |
34 |
8 |
11.4 |
17 |
18 |
21.5 |
25 |
| 01-24-12 |
18 |
21.2 |
17 |
33 |
31.4 |
40 |
24 |
27.3 |
23 |
34 |
38.7 |
38 |
16 |
17.4 |
15 |
28 |
34.4 |
29 |
15 |
17.4 |
11 |
23 |
28.0 |
25 |
| 01-23-12 |
4 |
14.6 |
8 |
20 |
21.5 |
34 |
13 |
21.2 |
18 |
31 |
31.4 |
42 |
22 |
27.3 |
25 |
33 |
38.7 |
40 |
19 |
17.4 |
15 |
31 |
34.4 |
38 |
| 01-22-12 |
23 |
22.1 |
21 |
24 |
26.0 |
24 |
1 |
14.6 |
7 |
23 |
21.5 |
30 |
13 |
21.2 |
12 |
30 |
31.4 |
37 |
23 |
27.3 |
14 |
33 |
38.7 |
35 |
| 01-21-12 |
14 |
18.4 |
14 |
32 |
26.6 |
30 |
21 |
22.1 |
19 |
23 |
26.0 |
25 |
7 |
14.6 |
11 |
24 |
21.5 |
34 |
17 |
21.2 |
12 |
31 |
31.4 |
41 |
| 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 |
7 |
|
4 |
5 |
|
2 |
6 |
|
2 |
3 |
|
3 |
4 |
|
1 |
1 |
|
3 |
1 |
|
1 |
1 |
|
1 |
| % Succ |
53.8 |
|
30.8 |
38.5 |
|
15.4 |
50.0 |
|
16.7 |
25.0 |
|
25.0 |
36.4 |
|
9.1 |
9.1 |
|
27.3 |
10.0 |
|
10.0 |
10.0 |
|
10.0 |
| Ave Error |
2.8 |
|
3.7 |
4.5 |
|
5.3 |
3.3 |
|
3.8 |
4.3 |
|
5.7 |
3.9 |
|
4.4 |
5.6 |
|
6.8 |
3.7 |
|
7.1 |
5.3 |
|
6.6 |
|
-1.6 |
|
-3.6 |
0.5 |
|
4.2 |
-2.6 |
|
-3.2 |
-0.2 |
|
4.7 |
-3.7 |
|
-3.3 |
-1.3 |
|
5.6 |
-3.4 |
|
-6.0 |
-2.7 |
|
4.4 |
| Std Dev |
2.7 |
|
2.5 |
3.1 |
|
4.3 |
2.5 |
|
1.9 |
3.1 |
|
4.3 |
2.6 |
|
3.2 |
3.5 |
|
5.5 |
2.6 |
|
5.3 |
4.5 |
|
5.9 |
|
|
|
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