a cura di:Macera L., Santarelli L., Lepidi S.

0 3 6 9 12 15 18 21 24

2.463

2.464

2.465

2.466

2.467

2.468

x 104

X[n

T]

Date: 01-09-2014 Duronia Julian Day : 244

Hour [UT]

0 3 6 9 12 15 18 21 24

1330134013501360137013801390

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 243.934

3.9345

3.935

3.9355

3.936

3.9365

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.463

2.464

2.465

2.466

2.467

x 104

X[n

T]

Date: 02-09-2014 Duronia Julian Day : 245

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

1400

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.9345

3.935

3.9355

3.936

3.9365

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.463

2.464

2.465

2.466

2.467

x 104

X[n

T]

Date: 03-09-2014 Duronia Julian Day : 246

Hour [UT]

0 3 6 9 12 15 18 21 241320

1340

1360

1380

1400

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 243.9345

3.935

3.9355

3.936

3.9365

3.937x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 242.462

2.463

2.464

2.465

2.466

2.467

x 104

X[n

T]

Date: 04-09-2014 Duronia Julian Day : 247

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.9345

3.935

3.9355

3.936

3.9365

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.464

2.465

2.466

2.467

2.468

x 104

X[n

T]

Date: 05-09-2014 Duronia Julian Day : 248

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.935

3.9355

3.936

3.9365

3.937x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 242.463

2.464

2.465

2.466

2.467

2.468

2.469

x 104

X[n

T]

Date: 06-09-2014 Duronia Julian Day : 249

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.9345

3.935

3.9355

3.936

3.9365

3.937x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 242.461

2.462

2.463

2.464

2.465

2.466

2.467

x 104

X[n

T]

Date: 07-09-2014 Duronia Julian Day : 250

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.935

3.9355

3.936

3.9365

3.937

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.463

2.464

2.465

2.466

2.467

2.468

x 104

X[n

T]

Date: 08-09-2014 Duronia Julian Day : 251

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.935

3.9355

3.936

3.9365

3.937x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.462

2.464

2.466

2.468x 104

X[n

T]

Date: 09-09-2014 Duronia Julian Day : 252

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

1400

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.935

3.9355

3.936

3.9365

3.937

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 242.462

2.464

2.466

2.468

x 104

X[n

T]

Date: 10-09-2014 Duronia Julian Day : 253

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 243.934

3.9345

3.935

3.9355

3.936

3.9365

3.937x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.462

2.464

2.466

2.468

x 104

X[n

T]

Date: 11-09-2014 Duronia Julian Day : 254

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 243.934

3.9345

3.935

3.9355

3.936

3.9365

3.937

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.46

2.465

2.47

x 104

X[n

T]

Date: 12-09-2014 Duronia Julian Day : 255

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

1400

1420

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.935

3.936

3.937

3.938x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.46

2.461

2.462

2.463

2.464

2.465

2.466

x 104

X[n

T]

Date: 13-09-2014 Duronia Julian Day : 256

Hour [UT]

0 3 6 9 12 15 18 21 241320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.935

3.936

3.937

3.938

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.462

2.463

2.464

2.465

2.466

2.467x 104

X[n

T]

Date: 14-09-2014 Duronia Julian Day : 257

Hour [UT]

0 3 6 9 12 15 18 21 24

1330

1340

1350

1360

1370

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.9345

3.935

3.9355

3.936

3.9365

3.937

3.9375x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.4635

2.464

2.4645

2.465

2.4655

2.466

2.4665x 104

X[n

T]

Date: 15-09-2014 Duronia Julian Day : 258

Hour [UT]

0 3 6 9 12 15 18 21 241320

1330

1340

1350

1360

1370

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.9345

3.935

3.9355

3.936

3.9365

3.937

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.464

2.465

2.466

2.467

2.468x 104

X[n

T]

Date: 16-09-2014 Duronia Julian Day : 259

Hour [UT]

0 3 6 9 12 15 18 21 24

1320133013401350136013701380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 243.934

3.9345

3.935

3.9355

3.936

3.9365

3.937

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.464

2.465

2.466

2.467

2.468

x 104

X[n

T]

Date: 17-09-2014 Duronia Julian Day : 260

Hour [UT]

0 3 6 9 12 15 18 21 241320

1330

1340

1350

1360

1370

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.935

3.9355

3.936

3.9365

3.937

3.9375x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.464

2.466

2.468

2.47x 104

X[n

T]

Date: 18-09-2014 Duronia Julian Day : 261

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1330

1340

1350

1360

1370

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.9345

3.935

3.9355

3.936

3.9365

3.937

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 242.461

2.462

2.463

2.464

2.465

2.466

2.467x 104

X[n

T]

Date: 19-09-2014 Duronia Julian Day : 262

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

1400

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.9345

3.935

3.9355

3.936

3.9365

3.937

3.9375

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.462

2.463

2.464

2.465

2.466

x 104

X[n

T]

Date: 20-09-2014 Duronia Julian Day : 263

Hour [UT]

0 3 6 9 12 15 18 21 24

1320133013401350136013701380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.935

3.9355

3.936

3.9365

3.937

3.9375x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 242.462

2.463

2.464

2.465

2.466

2.467

x 104

X[n

T]

Date: 21-09-2014 Duronia Julian Day : 264

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1330

1340

1350

1360

1370

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 243.935

3.9355

3.936

3.9365

3.937

3.9375x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.463

2.464

2.465

2.466

2.467

x 104

X[n

T]

Date: 22-09-2014 Duronia Julian Day : 265

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1330

1340

1350

1360

1370

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.9355

3.936

3.9365

3.937

3.9375

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.462

2.463

2.464

2.465

2.466

2.467

x 104

X[n

T]

Date: 23-09-2014 Duronia Julian Day : 266

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1330

1340

1350

1360

1370

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.935

3.9355

3.936

3.9365

3.937

3.9375

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.462

2.463

2.464

2.465

2.466

2.467

2.468x 104

X[n

T]

Date: 24-09-2014 Duronia Julian Day : 267

Hour [UT]

0 3 6 9 12 15 18 21 241320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.935

3.9355

3.936

3.9365

3.937

3.9375

3.938x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 242.463

2.464

2.465

2.466

2.467

2.468

x 104

X[n

T]

Date: 25-09-2014 Duronia Julian Day : 268

Hour [UT]

0 3 6 9 12 15 18 21 241320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.93453.935

3.93553.936

3.93653.937

3.9375

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.461

2.462

2.463

2.464

2.465

2.466

x 104

X[n

T]

Date: 26-09-2014 Duronia Julian Day : 269

Hour [UT]

0 3 6 9 12 15 18 21 24

1310

1320

1330

1340

1350

1360

1370

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.934

3.935

3.936

3.937

3.938x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.462

2.464

2.466

2.468

x 104

X[n

T]

Date: 27-09-2014 Duronia Julian Day : 270

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 243.935

3.9355

3.936

3.9365

3.937

3.9375

3.938

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 242.462

2.463

2.464

2.465

x 104

X[n

T]

Date: 28-09-2014 Duronia Julian Day : 271

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.9355

3.936

3.9365

3.937

3.9375

3.938

x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 242.461

2.462

2.463

2.464

2.465

2.466x 104

X[n

T]

Date: 29-09-2014 Duronia Julian Day : 272

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 243.935

3.9355

3.936

3.9365

3.937

3.9375

3.938x 104

Z[nT

]

Hour [UT]

0 3 6 9 12 15 18 21 24

2.461

2.462

2.463

2.464

2.465

2.466x 104

X[n

T]

Date: 30-09-2014 Duronia Julian Day : 273

Hour [UT]

0 3 6 9 12 15 18 21 24

1320

1340

1360

1380

D[n

T]

Hour [UT]

0 3 6 9 12 15 18 21 24

3.935

3.9355

3.936

3.9365

3.937

3.9375

3.938

x 104

Z[nT

]

Hour [UT]

24634

X [n

T]September 2014 Duronia

1362

Y [n

T]

1 2 3 4 5 6

39360

Z [n

T]

24634

X [n

T]

1362

Y [n

T]

7 8 9 10 11 12

39360

Z [n

T]

24634

X [n

T]

1362

Y [n

T]

13 14 15 16 17 18

39360

Z [n

T]

24634

X [n

T]

1362

Y [n

T]

19 20 21 22 23 24

39360

Z [n

T]

24634

X [n

T]

1362

Y [n

T]

25 26 27 28 29 30

39360

Z [n

T]

Day

Duronia Geomagnetic Observatory

K-index September 2014

Day 00-03 03-06 06-09 09-12 12-15 15-18 18-21 21-24 Σ 1 2 2 1 2 2 2 2 3 16

2 2 2 1 2 2 2 3 3 17

3 2 2 2 1 1 1 1 2 12

4 3 2 2 1 1 0 1 2 12

5 2 1 0 1 1 1 2 3 11

6 1 2 3 2 2 3 3 3 19

7 3 3 2 0 1 0 1 1 11

8 0 0 1 1 1 1 1 2 7

9 2 0 1 1 1 1 3 3 12

10 3 0 1 1 1 1 2 4 13

11 3 3 2 1 1 1 1 4 16

12 5 3 4 4 2 5 4 6 33

13 4 3 4 4 3 2 3 2 25

14 0 0 0 1 0 1 0 0 2

15 0 0 1 1 1 0 0 1 4

16 1 2 1 2 2 2 2 3 15

17 2 1 0 1 2 2 2 2 12

18 2 1 1 1 1 1 2 4 13

19 3 4 3 2 3 4 4 2 25

20 2 2 0 1 3 2 1 1 12

21 1 2 1 1 1 2 2 1 11

22 1 1 1 1 3 2 1 2 12

23 2 2 1 2 2 3 2 3 17

24 4 3 2 3 3 3 3 5 26

25 4 1 2 3 2 1 3 3 19

26 3 2 1 2 3 3 2 3 19

27 4 4 4 2 1 2 2 1 20

28 2 1 1 2 1 2 3 1 13

29 2 1 1 2 1 1 4 3 15

30 2 2 1 2 2 2 3 3 17

Solar Storm Commencement

Day Type and Quality

Particular data

UT of the first movement

Sense and amplitude of the chief movement

SSC SSC* A B C h m δX nT δY nT

11 SSC A 23 45 28.49 -14.49

12 SSC A 15 53 34.57 -15.36

The asterisk (*) indicates that the principal impulse was preceded by a smaller reversed impulse. Quality of the event:

A : very distinct

B : fair but unmistakable

C : double

Solar Flare Effect

Day UT of Sense and maximum

amplitude

Beginning Maximum Ending δX nT δY nT

- - - - - -