Validation of sea ice concentration
Bulletin date: 2023-03-02
Model vs. observations, sea ice class contingency tables
Date: 2023-02-24:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13605 |
6458 |
947 |
397 |
141 |
47 |
0 |
0 |
| OW |
0 |
74 |
163 |
105 |
86 |
35 |
0 |
0 |
| VODI |
0 |
45 |
141 |
144 |
120 |
120 |
4 |
2 |
| ODI |
0 |
26 |
71 |
100 |
155 |
156 |
46 |
11 |
| CDI |
0 |
28 |
62 |
67 |
158 |
366 |
231 |
45 |
| VCDI |
0 |
21 |
147 |
125 |
244 |
1394 |
8001 |
4071 |
|
...date precedes bulletin
|
Date: 2023-02-28:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13441 |
6284 |
927 |
599 |
289 |
46 |
0 |
0 |
| OW |
2 |
212 |
151 |
85 |
115 |
40 |
1 |
0 |
| VODI |
0 |
114 |
173 |
107 |
117 |
97 |
7 |
0 |
| ODI |
0 |
36 |
57 |
110 |
178 |
158 |
74 |
0 |
| CDI |
0 |
17 |
66 |
72 |
212 |
534 |
716 |
25 |
| VCDI |
0 |
22 |
198 |
278 |
448 |
1345 |
7170 |
3636 |
|
...date precedes bulletin
|
Date: 2023-03-02:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12824 |
6700 |
897 |
733 |
140 |
33 |
0 |
0 |
| OW |
0 |
74 |
170 |
158 |
112 |
49 |
1 |
0 |
| VODI |
0 |
124 |
91 |
176 |
134 |
112 |
22 |
0 |
| ODI |
0 |
68 |
54 |
132 |
117 |
185 |
106 |
0 |
| CDI |
0 |
29 |
58 |
148 |
130 |
526 |
592 |
0 |
| VCDI |
0 |
24 |
158 |
372 |
424 |
1322 |
7937 |
3227 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12824 |
6700 |
891 |
757 |
153 |
30 |
0 |
0 |
| OW |
0 |
71 |
165 |
129 |
88 |
45 |
2 |
0 |
| VODI |
0 |
108 |
104 |
188 |
136 |
104 |
26 |
0 |
| ODI |
0 |
86 |
46 |
113 |
108 |
187 |
91 |
0 |
| CDI |
0 |
30 |
54 |
149 |
122 |
505 |
571 |
0 |
| VCDI |
0 |
24 |
168 |
383 |
450 |
1356 |
7968 |
3227 |
|
Date: 2023-03-06:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12400 |
6636 |
946 |
615 |
128 |
41 |
0 |
0 |
| OW |
0 |
60 |
102 |
192 |
117 |
53 |
0 |
0 |
| VODI |
0 |
18 |
58 |
172 |
172 |
128 |
19 |
0 |
| ODI |
0 |
8 |
21 |
88 |
142 |
193 |
116 |
0 |
| CDI |
0 |
10 |
24 |
106 |
214 |
535 |
676 |
20 |
| VCDI |
0 |
3 |
35 |
83 |
126 |
973 |
7715 |
5214 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12400 |
6632 |
933 |
604 |
137 |
43 |
0 |
0 |
| OW |
0 |
52 |
86 |
179 |
105 |
57 |
3 |
0 |
| VODI |
0 |
23 |
68 |
175 |
148 |
108 |
26 |
0 |
| ODI |
0 |
9 |
25 |
80 |
119 |
138 |
73 |
0 |
| CDI |
0 |
11 |
15 |
72 |
172 |
327 |
309 |
29 |
| VCDI |
0 |
8 |
59 |
146 |
218 |
1250 |
8115 |
5205 |
|
Date: 2023-03-08:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12567 |
6428 |
704 |
701 |
117 |
30 |
0 |
0 |
| OW |
0 |
52 |
102 |
189 |
122 |
56 |
5 |
0 |
| VODI |
0 |
7 |
58 |
181 |
155 |
112 |
17 |
0 |
| ODI |
0 |
5 |
14 |
96 |
125 |
150 |
59 |
0 |
| CDI |
0 |
8 |
13 |
74 |
209 |
317 |
330 |
2 |
| VCDI |
0 |
22 |
62 |
99 |
289 |
1054 |
8694 |
4934 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12567 |
6415 |
685 |
654 |
104 |
25 |
0 |
0 |
| OW |
0 |
63 |
87 |
199 |
119 |
50 |
2 |
0 |
| VODI |
0 |
8 |
73 |
183 |
167 |
118 |
18 |
0 |
| ODI |
0 |
4 |
23 |
100 |
122 |
139 |
53 |
0 |
| CDI |
0 |
3 |
11 |
70 |
176 |
273 |
287 |
14 |
| VCDI |
0 |
29 |
74 |
134 |
329 |
1114 |
8745 |
4922 |
|
Date: 2023-03-10:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12199 |
6302 |
1058 |
641 |
238 |
43 |
6 |
0 |
| OW |
0 |
19 |
94 |
207 |
170 |
61 |
14 |
0 |
| VODI |
0 |
15 |
44 |
153 |
197 |
115 |
24 |
0 |
| ODI |
0 |
9 |
16 |
84 |
151 |
169 |
71 |
0 |
| CDI |
0 |
2 |
23 |
69 |
164 |
313 |
230 |
80 |
| VCDI |
0 |
0 |
93 |
223 |
314 |
1297 |
9095 |
4156 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12199 |
6278 |
1021 |
655 |
226 |
47 |
8 |
0 |
| OW |
0 |
26 |
93 |
172 |
143 |
74 |
17 |
0 |
| VODI |
0 |
16 |
49 |
146 |
206 |
133 |
40 |
0 |
| ODI |
0 |
10 |
22 |
81 |
126 |
157 |
68 |
0 |
| CDI |
0 |
10 |
17 |
58 |
148 |
224 |
266 |
26 |
| VCDI |
0 |
7 |
126 |
265 |
385 |
1363 |
9041 |
4210 |
|
Generated by /metno/routine/sms/V2/SIvalidation/SIwebPage.sh on. 26. april 13:22:53 +0000 2023 on arcval