Table of Statistics - Winter 1997

# of Observations - West

13657

10659

1492

715

433

169

81

67

23

18

# of Observations - MesoEta

13367

10442

1476

696

418

161

80

64

22

18

# of Observations - Eta

13123

10231

1461

680

418

159

72

64

20

18

10 km West Nest

THRPPT	0.00	0.01	0.10	0.25	0.50	0.75	1.00	1.50	2.00
BIAS	0.0285	0.0983	0.0968	0.1083	0.0757	-0.1283	-0.1681	-0.4231	-0.4683
RMS	0.1042	0.2149	0.2880	0.3956	0.5054	0.5980	0.6889	0.8174	1.5172
ETS		0.3270	0.3274	0.3372	0.2935	0.2357	0.1989	0.2240	0.2742

29 km MesoEta

THRPPT	0.00	0.01	0.10	0.25	0.50	0.75	1.00	1.50	2.00
BIAS	0.0298	0.1093	0.1085	0.1024	0.0280	-0.1474	-0.2707	-0.6052	-1.0433
RMS	0.1027	0.2366	0.3018	0.3721	0.5174	0.6229	0.6894	0.8382	1.6438
ETS		0.3239	0.3147	0.3130	0.2671	0.2187	0.1936	0.1871	0.2097

48 km Eta

THRPPT	0.00	0.01	0.10	0.25	0.50	0.75	1.00	1.50	2.00
BIAS	0.0307	0.1270	0.1305	0.1169	0.0553	-0.2028	-0.2103	-0.5611	-1.1132
RMS	0.0986	0.2545	0.3383	0.4216	0.5517	0.6175	0.6949	0.8004	1.9500
ETS		0.3184	0.3080	0.2998	0.2382	0.2002	0.2127	0.1649	0.1943

---

Graphs of Statistics - Winter 1997

PRECIPITATION BIAS

(Forecast - Observed)
24 Hr Totals - Winter 1997
GD Method

PRECIPITATION RMS

24 Hr Totals - Winter 1997
GD Method

PRECIPITATION ETS

24 Hr Totals - Winter 1997
GD Method

---

Table of Statistics - Spring 1997

# of Observations - West

18005

14415

1726

1022

516

197

63

48

11

7

# of Observations - MesoEta

17431

13892

1726

991

502

194

60

48

11

7

# of Observations - Eta

16983

13453

1697

1017

498

194

59

47

11

7

10 km West Nest

THRPPT	0.00	0.01	0.10	0.25	0.50	0.75	1.00	1.50	2.00
BIAS	0.0470	0.1696	0.1595	0.0828	-0.1317	-0.1419	-0.3812	-1.2588	-1.9328
RMS	0.1580	0.3385	0.3860	0.4381	0.4323	0.5266	1.1222	1.3083	1.9502
ETS		0.2877	0.2396	0.1681	0.1066	0.0678	0.0405	-0.0008	-0.0003

29 km MesoEta

THRPPT	0.00	0.01	0.10	0.25	0.50	0.75	1.00	1.50	2.00
BIAS	0.0266	0.1030	0.0820	-0.0120	-0.1987	-0.2474	-0.5299	-1.2851	-2.1022
RMS	0.1067	0.2338	0.2858	0.3330	0.4012	0.5364	0.9121	1.3274	2.1150
ETS		0.3394	0.2852	0.2042	0.1236	0.0881	0.0519	-0.0006	-0.0002

48 km Eta

THRPPT	0.00	0.01	0.10	0.25	0.50	0.75	1.00	1.50	2.00
BIAS	0.0245	0.1020	0.0639	-0.0489	-0.2041	-0.2985	-0.6682	-1.3298	-2.0462
RMS	0.0922	0.2230	0.2491	0.3136	0.4035	0.5033	0.8097	1.3669	2.0640
ETA		0.3378	0.2848	0.2022	0.1407	0.0686	0.0581	-0.0004	-0.0002

---

Graphs of Statistics - Spring 1997

PRECIPITATION BIAS

(Forecast - Observed)
24 Hr Totals - Spring 1997
GD Method

PRECIPITATION RMS

24 Hr Totals - Spring 1997
GD Method

PRECIPITATION ETS

24 Hr Totals - Spring 1997
GD Method

---

Table of Statistics - Summer 1997

# of Observations - West

6674

5863

372

200

141

55

23

16

4

0

# of Observations - MesoEta

6044

5265

358

196

134

52

20

15

4

0

# of Observations - Eta

5623

4868

342

194

131

52

20

13

3

0

10 km West Nest

THRPPT	0.00	0.01	0.10	0.25	0.50	0.75	1.00	1.50	2.00
BIAS	0.0324	0.1174	0.0977	-0.0200	-0.3020	-0.4363	-0.6770	-1.3070
RMS	0.1430	0.2796	0.3634	0.4292	0.4934	0.5961	0.8448	1.4652
ETS		0.2563	0.2076	0.1461	0.0706	0.0455	0.0484	-0.0005

29 km MesoEta

THRPPT	0.00	0.01	0.10	0.25	0.50	0.75	1.00	1.50	2.00
BIAS	0.0110	0.0292	-0.0545	-0.1853	-0.4100	-0.5618	-0.9412	-1.5667
RMS	0.0666	0.1850	0.2101	0.2903	0.5575	0.7129	0.9776	1.5873
ETS		0.2529	0.1944	0.1280	0.0847	0.0412	-0.0012	-0.0003

48 km Eta

THRPPT	0.00	0.01	0.10	0.25	0.50	0.75	1.00	1.50	2.00
BIAS	0.0105	0.0258	-0.0520	-0.1717	-0.4619	-0.5665	-0.9420	-1.6089
RMS	0.0614	0.1309	0.2203	0.2690	0.5050	0.6479	0.9984	1.6096
ETS		0.2784	0.2092	0.1520	0.0714	0.0555	0.0406	0.0000

---

Graphs of Statistics - Summer 1997

PRECIPITATION BIAS

(Forecast - Observed)
24 Hr Totals - Summer 1997
GD Method

PRECIPITATION RMS

24 Hr Totals - Summer 1997
GD Method

PRECIPITATION ETS

24 Hr Totals - Summer 1997
GD Method