FORECAST
TODAY
02/01
01/01
31/12
ARCHIVE
FIRE DANGER
FIRE BEHAVIOUR
FUEL MOISTURE
WEATHER
RAW DATA
Fire Weather Report
FIRE DANGER CLASS
FIRE WEATHER INDICES
WEATHER OBSERVATIONS
North Island Data
Northland
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Aupouri Peninsula
H
E
H
86
77
436
4.2
106
17.7
21.4
58
256
10
0.0
90
Aut
Waitangi Forest
V
E
H
88
118
430
7.6
140
29.8
22.6
60
37
17
0.0
80
Aut
Opouteke
H
E
H
90
41
346
5.9
63
17.1
29.1
39
146
5
0.0
80
Aut
Hokianga
V
E
H
88
71
422
9.5
100
30.4
23.2
56
280
21
0.0
80
Sub
Dargaville
H
E
H
87
46
387
7.7
70
22.1
23.2
56
280
21
0.0
80
Aut
Kaipara
M
E
M
86
28
226
3.4
43
8.9
21.9
62
311
8
0.0
80
Aut
Kaikohe
H
E
M
88
60
434
6.1
89
21.1
25.0
52
350
13
0.0
65
Aut
Whangarei Aero
H
E
H
89
77
431
6.6
106
24.5
25.0
43
140
11
0.0
65
Aut
Mangakahia
H
E
H
90
81
445
6.0
112
23.2
28.5
43
210
7
0.0
80
Aut
Pouto
H
E
H
86
50
347
4.6
74
15.5
21.6
62
287
12
0.0
80
Aut
Auckland
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Mahurangi Forest
M
E
L
87
25
248
4.8
39
11.1
24.0
53
211
10
0.0
40
Aut
Woodhill
M
E
M
87
40
270
4.4
58
13.1
22.8
60
278
9
0.0
65
Aut
Clevedon Coast
M
E
M
88
30
258
6.4
47
15.5
24.5
48
316
13
0.0
60
Aut
Cornwallis Depot
M
E
M
89
31
257
5.6
47
13.9
24.7
44
296
9
0.0
60
Aut
Great Barrier Island
H
E
M
88
58
277
6.0
76
19.2
24.3
52
223
13
0.0
60
Aut
Hunua East
M
E
M
88
54
250
4.3
71
14.3
25.0
54
59
7
0.0
60
Aut
Waikato
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Whangamata
M
E
M
89
37
197
5.5
50
14.3
25.9
45
216
8
0.0
65
Aut
Bodley Road
M
E
M
87
27
149
4.9
37
11.0
23.9
53
288
11
0.0
65
Aut
Port Taharoa
M
E
L
84
11
120
4.0
17
5.9
20.0
66
300
15
0.0
40
Aut
Paeroa
H
E
L
87
44
287
7.6
63
20.7
23.0
53
310
19
0.0
50
Aut
Hamilton Aero
H
E
H
87
51
206
8.7
63
22.8
22.0
59
280
22
0.0
60
Aut
Athol
M
E
H
86
21
150
7.4
31
13.8
20.8
55
309
21
0.0
65
Aut
Waihi Gold
H
E
H
88
37
190
7.3
49
17.5
22.4
50
235
17
0.0
65
Aut
Waikawau Bay
H
E
H
87
48
191
9.3
59
23.0
21.4
61
0
24
0.0
65
Aut
Central North Island
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Whakatane Aero
H
E
H
87
34
305
9.9
54
22.9
21.0
61
330
24
0.0
80
Aut
Rotorua Aero
H
E
M
87
32
284
7.0
50
17.1
21.0
54
250
19
0.0
60
Aut
Taupo Aero
M
E
M
87
32
330
4.7
51
12.7
20.0
51
200
9
0.0
65
Aut
Tauranga Aero
H
E
M
88
58
312
8.0
79
24.0
23.0
50
320
17
0.0
60
Aut
Matea
H
E
H
88
20
200
9.6
33
17.3
20.1
45
225
21
0.0
60
Aut
Minginui
M
E
M
87
31
278
4.6
49
12.2
18.3
61
300
9
0.0
55
Aut
Rotoehu
E
E
H
91
51
401
14.5
77
35.6
25.6
33
198
21
0.0
65
Aut
Goudies
H
E
H
88
27
243
13.8
43
25.8
19.2
53
276
30
0.0
65
Aut
Galatea
H
E
H
91
76
375
6.7
101
24.0
22.0
42
174
6
0.0
70
Aut
Kawerau
V
E
V
90
50
323
10.3
72
27.3
23.1
49
329
18
0.0
80
Aut
Rotoaira
H
E
L
89
30
172
9.6
42
19.8
22.5
40
230
18
0.0
45
Sub
Tahorakuri
H
E
H
89
47
292
6.9
67
19.9
22.0
42
292
12
0.0
70
Aut
Hautu
H
E
M
89
32
179
9.6
44
20.3
22.5
40
230
18
0.0
55
Aut
Opotiki
M
E
M
86
24
281
3.8
40
9.2
19.1
66
276
8
0.0
65
Aut
Te Puke
V
E
H
89
52
308
8.6
73
24.3
23.0
50
320
17
0.0
80
Sub
Waihau Bay
H
E
L
85
20
192
22.7
32
31.4
20.0
70
290
46
0.0
50
Sub
Eastern North Island
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Hicks Bay
H
E
H
84
14
240
17.9
25
23.8
20.0
70
290
46
0.0
55
Aut
Pouawa
E
E
E
92
76
331
38.7
96
72.7
25.0
30
60
39
0.0
75
Aut
Poroporo
E
E
H
91
56
282
13.7
75
33.7
28.4
38
115
21
0.0
55
Aut
Tuai
H
E
M
87
29
207
13.2
42
25.0
17.4
51
339
32
0.0
55
Aut
Crownthorpe
E
E
E
92
59
261
27.9
75
53.4
24.3
30
243
31
0.0
75
Aut
Kaiwaka
V
E
H
91
56
289
11.4
75
29.9
20.7
38
339
18
0.0
60
Aut
Waipukurau
V
E
V
90
43
302
10.4
63
25.7
22.2
38
276
18
0.0
85
Aut
Bridge Pa
H
E
H
90
94
320
5.1
108
20.5
21.0
43
149
5
0.0
95
Aut
Te Haroto
E
E
V
90
53
305
14.7
74
35.1
19.5
44
335
25
0.0
80
Aut
Gwavas
H
E
H
90
45
234
6.0
61
16.9
21.0
35
243
7
0.0
75
Aut
Waihau
M
E
M
91
30
219
6.0
44
14.3
23.2
33
210
5
0.4
60
Aut
Te Pohue
V
E
H
90
44
241
13.0
60
29.4
19.7
44
344
21
0.0
65
Aut
Ongaonga
V
E
V
89
43
293
11.3
63
27.3
21.4
43
274
22
0.0
85
Aut
Cricklewood
V
E
M
91
41
266
11.6
59
26.8
21.2
33
287
18
0.0
55
Aut
Gisborne Aero
E
E
E
94
71
334
23.8
93
53.3
29.0
25
320
24
0.0
75
Aut
Mahia
V
E
V
90
60
373
10.6
86
30.3
27.0
38
330
17
0.0
95
Aut
Napier Aero
H
E
H
88
48
280
5.3
67
16.3
22.0
46
340
9
0.0
95
Aut
Taranaki
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
New Plymouth Aero
L
E
L
82
6
100
3.6
11
4.0
21.0
83
330
19
0.0
40
Aut
Eltham
V
E
L
89
22
155
22.1
33
31.3
22.9
39
296
35
0.0
40
Aut
Waverly
H
E
L
86
12
109
22.9
19
24.9
22.6
58
308
45
0.0
40
Aut
Okato
L
E
L
80
6
86
2.5
10
2.5
18.3
86
350
17
0.0
40
Aut
Marco
M
E
L
85
16
114
4.1
24
7.2
20.6
62
288
12
0.0
40
Aut
Hawera
H
E
L
85
16
156
17.3
26
23.8
21.0
65
310
43
0.0
40
Aut
Wanganui-Manawatu
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Three Kings
M
E
L
89
9
93
91.6
14
55.3
18.1
37
264
65
0.0
50
Aut
Webb
H
E
L
90
16
122
24.3
25
29.4
19.8
31
257
34
0.0
50
Aut
Westlawn
H
E
L
88
14
132
38.8
23
38.7
17.8
38
265
49
0.0
50
Aut
Desert Road Summit
H
E
L
90
20
140
24.8
30
32.3
19.8
31
257
34
0.0
50
Sub
Alfredton
L
E
L
80
11
153
2.7
19
4.2
14.6
87
310
17
0.0
40
Aut
Dannevirke
M
E
L
88
14
150
14.3
22
19.3
20.4
42
287
29
0.0
40
Aut
Waimarino Forest
M
E
L
85
13
77
3.7
19
5.8
19.7
58
267
11
0.0
30
Aut
National Park
L
H
L
80
10
85
1.2
15
0.9
15.6
73
321
2
0.0
30
Aut
Ngamatea
V
E
V
89
20
161
55.3
30
54.5
19.9
38
262
54
0.0
55
Aut
Waitarere Forest
M
E
M
84
15
154
4.7
24
8.4
18.8
77
312
19
0.0
55
Aut
Lismore
H
E
L
90
27
196
7.9
41
16.8
26.1
37
312
12
0.0
30
Aut
Waione
M
E
L
87
17
193
5.3
28
10.0
20.0
44
261
14
0.0
40
Aut
Tapuae
M
E
H
84
7
97
14.8
12
14.8
17.5
54
270
40
0.0
55
Aut
Raumai
L
E
L
83
11
127
2.4
18
3.7
19.7
70
316
9
0.0
40
Aut
Levin
M
E
L
81
9
89
8.8
15
10.8
18.0
84
320
39
0.0
40
Aut
Spriggins Park
M
E
L
89
16
169
8.9
26
14.7
24.2
43
345
18
0.0
30
Aut
Waiouru Aero
M
E
M
87
17
150
6.8
26
11.9
19.0
48
290
19
0.0
55
Aut
Wanganui Aero
H
E
L
88
15
150
26.8
23
30.7
23.0
49
310
43
0.0
30
Aut
Palmerston North Aero
M
E
L
87
12
74
23.1
17
24.0
22.0
55
290
43
0.0
40
Aut
Wairarapa
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Ngawihi
V
E
L
87
29
286
19.6
46
33.9
22.0
65
10
39
0.0
40
Aut
Castle Point
H
E
L
84
12
178
96.9
21
66.3
18.0
74
310
80
0.0
40
Aut
Stony Creek
M
E
L
85
23
186
3.4
35
7.8
19.2
75
29
10
0.0
40
Aut
Haurangi
H
E
L
81
41
238
6.1
58
16.7
15.7
88
321
30
0.0
40
Aut
Holdsworth Station
M
E
L
85
27
155
4.2
38
9.8
20.9
66
326
15
0.0
40
Aut
Ngaumu
M
E
L
84
25
216
3.9
38
9.2
20.8
64
300
14
0.0
40
Aut
Masterton Aerodrome
M
E
L
87
29
212
5.2
44
12.7
23.0
56
280
13
0.0
40
Aut
Wellington
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Rimutaka Forest Park
M
E
L
81
26
237
4.0
40
9.8
17.5
88
7
22
0.0
40
Aut
Belmont
L
E
M
75
3
122
4.7
6
4.0
15.0
99
353
37
0.0
60
Aut
Titahi Bay
M
E
M
80
11
228
7.8
20
11.6
17.1
91
325
39
0.0
60
Aut
Chatham Island
L
E
L
73
4
243
5.4
8
5.3
16.0
85
290
41
0.0
30
Aut
Wellington Aero
H
E
H
83
21
254
9.8
34
18.1
19.0
80
340
35
0.0
60
Aut
Lower Hutt
M
E
L
84
34
172
4.3
45
11.2
18.0
80
340
17
0.0
40
Aut
Paraparaumu
M
E
L
81
7
92
6.2
11
7.1
18.0
88
320
32
0.0
40
Aut
South Island Data
Nelson-Marlborough
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Opua Bay
M
E
L
83
14
181
4.3
24
7.7
20.4
73
283
20
0.0
30
Aut
Keneperu Head
H
E
L
86
37
178
6.8
48
16.5
21.4
72
278
21
0.0
30
Aut
Totaranui
M
E
L
86
20
160
5.2
30
10.3
23.7
66
278
16
0.0
20
Aut
Awatere Valley
E
E
E
91
67
392
29.2
94
60.6
26.5
48
332
37
0.0
80
Aut
Hira
M
V
L
81
31
277
1.8
48
5.2
22.3
69
204
6
1.0
40
Aut
Dovedale
L
L
L
44
12
230
0.1
22
0.1
20.3
84
341
6
7.6
40
Aut
Rai Valley
M
E
L
87
24
164
4.5
36
10.0
21.9
69
332
10
0.2
30
Aut
Molesworth
V
E
H
92
54
334
11.0
77
29.5
22.1
44
253
14
0.0
60
Aut
Murchison
L
L
L
43
7
26
0.1
9
0.0
18.8
85
215
3
5.8
20
Sub
Ngaruru
L
L
M
57
15
201
0.5
25
0.6
18.4
81
204
10
4.0
70
Aut
Western Boundary
L
L
L
43
10
121
0.1
17
0.1
18.8
85
215
3
5.8
20
Aut
Kaikoura
M
E
L
88
20
292
4.7
33
10.1
26.0
36
120
7
0.0
30
Aut
Nelson Aero
L
V
L
68
15
290
1.4
27
2.5
21.0
74
0
17
3.2
40
Aut
Woodbourne Aero
E
E
E
91
73
328
33.1
94
65.5
26.0
48
330
39
0.0
80
Aut
Big Pokororo
L
L
L
23
9
173
0.0
16
0.0
19.2
99
231
13
9.4
20
Aut
St Arnaud
L
L
L
45
5
19
0.2
6
0.1
16.8
86
282
17
8.2
20
Aut
Cape Campbell
H
E
E
82
15
388
32.3
27
37.2
19.0
77
340
63
0.0
80
Aut
Onamalutu
V
E
M
91
51
276
9.7
70
25.8
25.3
48
272
14
0.0
55
Aut
West Coast
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Nelson Creek
L
L
L
20
4
7
0.0
4
0.0
18.3
95
330
3
18.8
50
Sub
Reefton
L
L
L
20
4
15
0.0
5
0.0
18.3
95
330
3
18.8
30
Aut
Westport
20.2
30
Aut
Haast
L
L
L
22
1
7
0.0
1
0.0
16.0
89
290
6
69.0
30
Aut
Hokitika Aero
L
L
L
10
1
7
0.0
1
0.0
16.0
100
270
15
23.8
30
Aut
Canterbury
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Timaru Aero
H
E
M
89
37
309
5.8
57
15.9
19.0
60
110
9
0.0
60
Aut
Waihaorunga
E
E
V
89
52
512
25.1
82
52.1
19.1
57
141
39
0.0
60
Aut
Lees Valley
E
E
H
91
29
261
21.5
46
35.9
26.2
34
271
30
0.8
60
Aut
Motukarara
E
E
E
88
48
432
50.1
75
75.9
17.7
55
150
54
0.0
90
Aut
Mount Somers
L
H
L
69
26
211
1.3
40
3.1
17.3
71
127
15
3.0
30
Aut
Pukaki Aero
E
E
H
89
50
429
11.9
78
31.2
27.4
13
327
24
6.8
70
Aut
Mount Cook
L
E
M
75
9
8
2.4
9
2.0
22.0
21
324
23
116.4
60
Aut
Burnham
E
E
L
89
36
345
18.7
57
36.5
19.3
53
166
32
0.0
40
Aut
Tekapo
E
E
E
88
39
327
30.8
60
51.2
23.8
12
282
44
8.0
70
Aut
Hakatere
H
E
M
82
57
376
5.2
83
17.9
21.7
44
323
27
3.0
70
Aut
Leeston
E
E
L
89
50
400
15.2
76
36.5
19.1
55
146
28
0.0
40
Aut
Le Bons Bay
V
E
V
83
20
311
34.8
35
43.4
15.0
68
170
61
0.0
60
Aut
Christchurch Aero
E
E
E
89
30
321
30.7
49
46.7
21.0
51
190
43
0.0
80
Aut
Hanmer
M
E
L
85
39
248
3.0
56
9.3
22.2
63
238
6
0.0
30
Aut
Cannington
V
E
H
88
50
416
10.6
77
28.8
18.3
64
66
24
0.4
60
Aut
Snowdon
L
H
L
69
16
193
1.1
27
1.8
19.2
67
200
12
3.2
40
Aut
Darfield
E
E
L
89
38
311
15.8
58
32.6
19.8
56
169
30
0.0
40
Aut
Bottle Lake
M
E
M
88
40
432
4.8
65
14.9
25.6
47
48
7
0.0
70
Aut
Ashley
M
E
L
88
19
66
5.9
22
9.6
21.1
59
209
12
0.0
20
Aut
Balmoral
E
E
L
90
30
302
27.7
48
43.4
27.6
41
290
37
0.0
30
Aut
Ashburton Plains
V
E
L
90
67
472
7.9
99
26.8
20.3
51
151
11
0.0
50
Aut
Oxford
H
E
H
87
23
236
9.3
37
18.2
20.0
60
201
23
0.0
60
Aut
Otago
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Cromwell
M
E
M
83
70
659
3.5
111
15.7
26.4
33
147
15
4.0
85
Aut
Naseby Forest
V
E
H
90
46
408
10.9
72
28.3
17.8
51
153
19
0.0
65
Aut
Butchers Dam
E
E
V
78
62
685
10.3
102
32.5
18.1
55
178
48
3.6
80
Aut
Cherry Farm
M
E
H
84
16
347
8.8
29
15.2
14.4
68
176
30
0.0
60
Aut
Dansey Pass
E
E
V
92
58
544
17.9
92
44.3
21.1
41
228
23
0.2
70
Aut
Tapanui
M
E
M
82
9
313
5.0
17
7.2
13.6
74
211
25
0.6
60
Aut
Glenledi
M
E
L
81
7
249
5.4
13
6.8
9.7
82
204
30
0.0
40
Aut
Rock and Pillar
E
E
V
89
43
514
21.0
71
43.5
19.0
52
212
34
0.0
70
Aut
Dunedin Aero
M
E
M
81
14
415
3.6
26
6.8
13.0
77
160
20
0.0
65
Aut
Deep Stream
M
E
H
81
7
122
14.8
12
15.0
9.2
85
213
48
0.2
65
Aut
Oamaru Aero
H
E
L
82
21
487
10.7
38
20.2
14.0
76
180
41
0.0
40
Aut
Queenstown Aero
L
E
M
73
16
278
2.1
28
4.2
23.0
48
190
22
8.8
65
Aut
Tara Hills
E
E
V
91
56
395
20.1
83
45.4
28.0
14
310
28
4.4
70
Aut
McRaes
E
E
E
86
28
396
31.5
48
47.0
14.1
67
207
50
0.0
70
Aut
Herbert
V
E
H
90
25
242
21.4
39
33.3
15.6
46
166
32
0.0
55
Aut
Oamaru
E
E
L
86
24
350
29.1
41
41.6
14.0
71
180
50
0.0
50
Aut
Lauder
E
E
V
92
164
779
16.4
215
53.6
22.1
40
213
22
0.0
70
Aut
Windsor
E
E
L
88
29
405
19.7
49
34.9
19.9
60
26
36
0.0
50
Aut
Ranfurly
E
E
V
90
64
588
18.0
100
46.2
19.6
49
206
30
0.6
75
Aut
Glendhu
L
E
M
73
7
150
4.9
12
5.8
10.6
79
236
39
1.6
60
Aut
Clyde
M
E
M
74
68
691
2.2
110
10.8
20.2
63
175
22
3.2
75
Aut
Nugget Point
L
E
L
70
5
256
7.1
9
7.2
11.0
78
210
48
2.2
40
Aut
Wanaka
H
E
H
87
38
369
7.7
61
20.4
27.0
16
300
19
5.2
70
Aut
Traquair
L
E
M
82
10
333
2.8
18
4.2
9.4
88
165
13
0.0
65
Aut
Southland
Saturday, 2 January 2010
STATION NAME
FOREST
SCRUB
GRASS
FFMC
DMC
DC
ISI
BUI
FWI
TEMP
RH
DIR
WSP
RN24
GC%
STAT
Gore
L
V
M
62
3
113
1.4
5
0.6
11.0
85
200
22
2.2
55
Aut
Invercargill Aero
L
L
L
46
2
56
0.3
3
0.1
13.0
82
180
24
7.8
50
Aut
Secretary Island
L
L
L
24
1
6
0.0
1
0.0
15.0
83
340
4
46.4
40
Aut
South West Cape
L
E
L
76
7
142
2.2
12
2.4
14.0
56
200
20
1.8
40
Aut
Garston
L
L
M
57
12
309
0.7
22
0.7
14.8
71
166
16
6.2
65
Aut
Lumsden
L
L
M
57
5
204
0.9
10
0.5
12.0
84
220
19
3.4
60
Aut
Manapouri Aero
L
L
L
52
5
55
0.4
8
0.2
18.0
69
160
13
13.2
50
Aut
Barn Hill
L
L
L
44
5
191
0.2
9
0.1
11.3
89
150
16
5.0
60
Aut
Blackmount
L
L
L
51
5
71
0.7
8
0.3
12.5
81
157
26
6.4
50
Aut
Wreys Bush
L
V
M
75
8
264
1.8
14
2.0
12.3
76
178
17
1.2
55
Aut
Tuatapere
L
E
L
83
7
132
4.0
13
5.1
15.6
71
236
18
0.4
50
Aut
Slopedown
L
L
L
43
2
13
0.1
2
0.0
10.6
76
197
18
10.0
50
Aut
Aut :
Authentic data collected from the weather station
Sub :
Authentic data not available so data from one of three designated substitutes is used
Est :
An estimate of the values for a station has been made
For :
Forecast values have been entered for a station and not overwritten by authentic data
Copyright c 2002 National Rural Fire Authority | site optimised for
Microsoft's IE 5
& above.
Created on Sunday, 3 January 2010 at 2:00 am
Understanding the FWI System