Validation of sea ice concentration
Bulletin date: 2023-08-24
Model vs. observations, sea ice class contingency tables
Date: 2023-08-18:
| 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 |
22425 |
5624 |
1136 |
713 |
309 |
40 |
9 |
0 |
| OW |
0 |
4 |
50 |
161 |
237 |
117 |
38 |
0 |
| VODI |
0 |
1 |
18 |
95 |
151 |
129 |
154 |
0 |
| ODI |
0 |
0 |
5 |
44 |
73 |
133 |
286 |
184 |
| CDI |
0 |
0 |
0 |
17 |
50 |
101 |
1966 |
1113 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
885 |
1888 |
|
...date precedes bulletin
|
Date: 2023-08-22:
| 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 |
22299 |
5538 |
1562 |
715 |
386 |
69 |
5 |
0 |
| OW |
0 |
0 |
62 |
127 |
144 |
82 |
12 |
0 |
| VODI |
0 |
0 |
24 |
98 |
155 |
229 |
126 |
0 |
| ODI |
0 |
0 |
3 |
34 |
103 |
207 |
572 |
90 |
| CDI |
0 |
0 |
0 |
15 |
49 |
112 |
1964 |
688 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
954 |
1734 |
|
...date precedes bulletin
|
Date: 2023-08-24:
| 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 |
22671 |
5576 |
1165 |
911 |
219 |
82 |
12 |
0 |
| OW |
0 |
13 |
61 |
177 |
111 |
70 |
13 |
0 |
| VODI |
0 |
0 |
30 |
138 |
172 |
166 |
115 |
0 |
| ODI |
0 |
0 |
3 |
66 |
117 |
190 |
451 |
57 |
| CDI |
0 |
0 |
0 |
26 |
90 |
117 |
2201 |
749 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
7 |
846 |
1537 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22671 |
5572 |
1177 |
938 |
245 |
88 |
13 |
0 |
| OW |
0 |
17 |
43 |
146 |
96 |
67 |
24 |
0 |
| VODI |
0 |
0 |
36 |
130 |
150 |
164 |
96 |
0 |
| ODI |
0 |
0 |
3 |
74 |
125 |
186 |
412 |
51 |
| CDI |
0 |
0 |
0 |
30 |
93 |
116 |
2235 |
784 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
11 |
858 |
1508 |
|
Date: 2023-08-28:
| 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 |
22746 |
5466 |
1195 |
1038 |
133 |
39 |
17 |
0 |
| OW |
0 |
7 |
44 |
160 |
118 |
35 |
6 |
0 |
| VODI |
0 |
0 |
30 |
173 |
257 |
175 |
24 |
0 |
| ODI |
0 |
0 |
6 |
59 |
188 |
483 |
532 |
120 |
| CDI |
0 |
0 |
0 |
23 |
78 |
214 |
1977 |
1203 |
| VCDI |
0 |
0 |
0 |
2 |
2 |
18 |
1017 |
574 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22746 |
5460 |
1180 |
1071 |
165 |
60 |
18 |
0 |
| OW |
0 |
10 |
45 |
157 |
167 |
65 |
5 |
0 |
| VODI |
0 |
3 |
31 |
99 |
193 |
182 |
44 |
0 |
| ODI |
0 |
0 |
17 |
79 |
128 |
234 |
244 |
61 |
| CDI |
0 |
0 |
2 |
46 |
117 |
401 |
2357 |
434 |
| VCDI |
0 |
0 |
0 |
3 |
6 |
22 |
905 |
1402 |
|
Date: 2023-08-30:
| 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 |
23306 |
4827 |
1291 |
862 |
333 |
68 |
15 |
0 |
| OW |
0 |
0 |
31 |
130 |
180 |
73 |
15 |
0 |
| VODI |
0 |
0 |
20 |
94 |
246 |
224 |
45 |
0 |
| ODI |
0 |
0 |
2 |
47 |
99 |
394 |
649 |
89 |
| CDI |
0 |
0 |
0 |
21 |
74 |
127 |
2068 |
1146 |
| VCDI |
0 |
0 |
0 |
1 |
4 |
12 |
920 |
746 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23306 |
4827 |
1250 |
859 |
380 |
96 |
21 |
0 |
| OW |
0 |
0 |
53 |
119 |
178 |
99 |
14 |
0 |
| VODI |
0 |
0 |
21 |
62 |
175 |
162 |
78 |
0 |
| ODI |
0 |
0 |
20 |
61 |
85 |
186 |
288 |
65 |
| CDI |
0 |
0 |
0 |
52 |
109 |
339 |
2399 |
430 |
| VCDI |
0 |
0 |
0 |
2 |
9 |
16 |
912 |
1486 |
|
Date: 2023-09-01:
| 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 |
22911 |
5167 |
1440 |
852 |
282 |
96 |
1 |
0 |
| OW |
0 |
0 |
45 |
153 |
177 |
107 |
7 |
0 |
| VODI |
0 |
0 |
22 |
102 |
237 |
195 |
55 |
0 |
| ODI |
0 |
0 |
4 |
57 |
117 |
380 |
607 |
62 |
| CDI |
0 |
0 |
0 |
14 |
79 |
143 |
2082 |
1205 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
11 |
849 |
693 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22911 |
5167 |
1375 |
869 |
321 |
165 |
5 |
0 |
| OW |
0 |
0 |
61 |
122 |
165 |
94 |
12 |
0 |
| VODI |
0 |
0 |
41 |
74 |
167 |
134 |
93 |
0 |
| ODI |
0 |
0 |
29 |
54 |
92 |
199 |
310 |
52 |
| CDI |
0 |
0 |
5 |
59 |
142 |
320 |
2383 |
361 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
20 |
798 |
1547 |
|
Generated by /metno/routine/sms/V2/SIvalidation/SIwebPage.sh Fri 08 Sep 2023 02:26:00 AM UTC on arcval