Description of algorithm
Full domain
  Ice concntr, edge pos
  Contingency tables
American sector
European sector
Asian sector

Validation of sea ice concentration - Full domain

Bulletin date: 2022-10-27

Data source: OSI SAF N.H. AMSR sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2022-10-21:

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 102400 21226 1702 916 378 69 0 0
OW 19 1413 674 1044 518 38 5 0
VODI 0 481 333 1050 1209 268 0 0
ODI 0 34 114 553 1189 800 8 0
CDI 0 14 55 291 852 1745 144 0
VCDI 0 2 12 129 574 6810 22981 16998
...date precedes bulletin

Date: 2022-10-23:

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 101045 20626 1337 1157 535 71 0 0
OW 17 1435 707 1048 778 111 0 0
VODI 0 324 493 957 1432 491 15 0
ODI 0 37 118 441 878 1016 88 0
CDI 0 10 48 284 726 1884 381 0
VCDI 0 1 22 175 563 5378 23916 18503
...date precedes bulletin

Date: 2022-10-25:

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 97431 22984 1749 1352 436 86 0 0
OW 55 727 472 1070 567 80 4 0
VODI 0 153 323 861 1455 258 11 0
ODI 0 13 55 200 1505 1141 48 0
CDI 0 2 24 134 672 2673 420 0
VCDI 0 1 2 104 410 5149 23226 21195
...date precedes bulletin

Date: 2022-10-27:

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 95393 21812 2071 864 751 352 2 0
OW 24 859 453 1049 805 273 13 0
VODI 13 189 214 782 1637 672 18 0
ODI 0 21 46 244 1135 1159 83 0
CDI 0 3 13 146 741 2180 449 0
VCDI 0 0 0 24 396 4678 22908 24576
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 95391 22025 2133 1041 856 374 4 0
OW 24 643 379 902 727 248 10 0
VODI 15 186 224 754 1569 631 19 0
ODI 0 28 50 253 1185 1071 71 0
CDI 0 2 10 129 711 2221 612 0
VCDI 0 0 1 30 417 4769 22757 24576

Date: 2022-10-29:

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 92353 21944 2655 666 483 309 2 0
OW 30 726 660 1281 839 490 70 0
VODI 16 204 239 575 1158 1245 70 0
ODI 7 48 79 236 798 1526 296 0
CDI 0 22 42 181 468 1661 862 0
VCDI 0 9 53 124 526 4698 24697 24700
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 92343 22061 2775 1116 636 359 8 0
OW 42 599 537 815 671 439 57 0
VODI 20 221 241 560 1218 1286 67 0
ODI 1 44 81 269 714 1451 286 0
CDI 0 23 42 177 457 1705 933 0
VCDI 0 5 52 126 576 4689 24646 24700

Date: 2022-10-31:

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 93539 20760 1932 1007 209 33 2 0
OW 35 371 354 747 228 109 1 0
VODI 1 153 180 849 876 283 8 0
ODI 0 41 46 278 1390 1306 71 0
CDI 0 38 22 45 606 3983 933 0
VCDI 0 10 89 85 241 3855 26633 25699
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 93532 20350 1792 1367 502 320 5 0
OW 30 553 402 691 769 537 55 0
VODI 13 286 175 488 876 1307 169 0
ODI 0 90 83 167 528 1729 441 0
CDI 0 56 53 155 394 1596 855 0
VCDI 0 38 118 143 481 4080 26123 25699

Date: 2022-11-02:

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 82500 28814 3578 950 290 40 2 0
OW 48 411 380 761 423 123 7 0
VODI 7 221 195 658 745 416 15 0
ODI 0 87 55 261 902 963 100 0
CDI 0 49 48 141 1099 2417 502 12
VCDI 0 14 79 164 782 7426 24732 26631
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 82497 28143 3195 1026 477 221 12 0
OW 30 917 631 933 730 489 21 0
VODI 25 306 205 425 939 1180 130 0
ODI 3 109 117 144 684 1753 323 1
CDI 0 78 61 189 610 1615 815 40
VCDI 0 43 126 218 801 6127 24057 26602

Date: 2022-11-04:

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 87958 23117 1892 620 207 40 7 0
OW 59 722 546 933 841 172 11 0
VODI 19 233 168 328 552 784 22 0
ODI 2 115 96 273 428 887 186 0
CDI 0 78 48 220 647 1611 641 0
VCDI 0 74 51 215 683 6836 24989 29737
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 87961 22117 1556 430 245 207 20 0
OW 55 1043 397 821 785 610 111 0
VODI 17 759 544 587 837 1208 294 0
ODI 0 198 145 273 590 1647 547 0
CDI 5 97 82 215 424 1782 1105 9
VCDI 0 125 77 263 477 4876 23779 29728


Generated by /metno/routine/sms/V2/xSIvalidation/AMSR2SIwebPage.sh ma. 09. jan. 10:48:48 +0000 2023 on arcval

 
See Met Privacy