Questa pagina contiene i dati degli 8 radiosondaggi italiani attivi, con dati ottenuti due volte al giorno alle ore sinottiche principali (00z e 12z).
Nella pagina principale troviamo i dati di pressione/altezza geopotenziale/temperatura per alcune superfici isobariche, nonchè i grafici Skew T-ln P e l’Odografo; per visualizzare i dati completi per ciascun radiosondaggio basta selezionare l’apposito pulsante o il link in alto.
I dati completi sono i seguenti: pressione, altezza geopotenziale, temperatura, dew-point (punto di rugiada), umidità, mixing-ratio, direzione e velocità del vento, temperatura potenziale, temperatura potenziale equivalente e temperatura potenziale virtuale.
Vi è inoltre una tabella contenente tutti gli indici termodinamici, nonchè i grafici Skew T-ln P, ricavati e calcolati dai dati registrati dal pallone-sonda (per l’interpretazione dei dati si rimanda all’articolo di approfondimento in basso).
Infine è presente l’archivio storico completo di tutti i radiosondaggi, comprese le stazioni dismesse (dati dell’Università di Wyoming).
Press. hPa |
Altez. geop. m |
Temp. °C |
Dew point °C |
Umid. % |
Mixing ratio g/kg |
Direz. vento gradi |
Veloc. vento nodi |
Temp. potenz. K |
Temp. pt.equiv. K |
Temp. pt.virt. K |
1005 | 49 | 14.4 | 10.8 | 79 | 8.15 | 330 | 3 | 287.1 | 310.1 | 288.6 |
1003 | 66 | 16.4 | 10.4 | 68 | 7.95 | 328 | 5 | 289.3 | 312.0 | 290.7 |
1000 | 91 | 16.6 | 9.6 | 63 | 7.55 | 325 | 7 | 289.8 | 311.4 | 291.1 |
998 | 108 | 16.8 | 9.8 | 63 | 7.67 | 326 | 8 | 290.1 | 312.1 | 291.5 |
985 | 220 | 16.5 | 6.9 | 53 | 6.37 | 335 | 13 | 290.9 | 309.4 | 292.0 |
973 | 324 | 16.2 | 4.2 | 45 | 5.34 | 326 | 14 | 291.6 | 307.3 | 292.6 |
937 | 642 | 13.5 | 3.0 | 49 | 5.10 | 300 | 16 | 292.1 | 307.0 | 292.9 |
925 | 751 | 12.6 | 2.6 | 51 | 5.01 | 305 | 13 | 292.2 | 306.9 | 293.1 |
912 | 870 | 11.6 | 2.2 | 53 | 4.95 | 310 | 12 | 292.3 | 306.9 | 293.2 |
905 | 934 | 11.0 | 2.0 | 54 | 4.91 | 296 | 13 | 292.4 | 306.9 | 293.2 |
882 | 1149 | 10.2 | -3.1 | 39 | 3.46 | 250 | 17 | 293.7 | 304.2 | 294.3 |
858 | 1378 | 9.4 | -8.6 | 27 | 2.34 | 239 | 21 | 295.2 | 302.4 | 295.6 |
852 | 1437 | 9.6 | -9.4 | 25 | 2.21 | 236 | 22 | 296.0 | 302.9 | 296.4 |
850 | 1456 | 9.4 | -9.6 | 25 | 2.18 | 235 | 22 | 296.0 | 302.8 | 296.4 |
832 | 1632 | 8.1 | -6.6 | 35 | 2.81 | 220 | 15 | 296.4 | 305.1 | 296.9 |
807 | 1883 | 6.2 | -2.3 | 54 | 4.01 | 210 | 18 | 297.0 | 309.1 | 297.7 |
797 | 1986 | 5.4 | -0.6 | 65 | 4.62 | 214 | 20 | 297.2 | 311.1 | 298.0 |
761 | 2362 | 2.8 | -5.2 | 56 | 3.43 | 231 | 28 | 298.4 | 308.9 | 299.0 |
741 | 2576 | 1.5 | -5.1 | 62 | 3.55 | 240 | 33 | 299.2 | 310.1 | 299.8 |
716 | 2851 | -0.2 | -5.0 | 70 | 3.71 | 225 | 34 | 300.3 | 311.8 | 301.0 |
700 | 3033 | -1.3 | -4.9 | 76 | 3.81 | 225 | 38 | 301.0 | 312.8 | 301.7 |
677 | 3298 | -3.9 | -4.9 | 93 | 3.94 | 235 | 43 | 301.0 | 313.2 | 301.7 |
668 | 3403 | -4.3 | -4.8 | 96 | 4.03 | 238 | 45 | 301.7 | 314.2 | 302.4 |
661 | 3486 | -3.7 | -13.7 | 46 | 2.02 | 242 | 46 | 303.3 | 309.8 | 303.7 |
656 | 3546 | -3.7 | -16.7 | 36 | 1.59 | 244 | 47 | 303.9 | 309.2 | 304.2 |
653 | 3582 | -4.0 | -14.4 | 44 | 1.93 | 245 | 48 | 304.0 | 310.2 | 304.3 |
647 | 3655 | -4.7 | -9.7 | 68 | 2.84 | 244 | 48 | 304.0 | 313.1 | 304.5 |
580 | 4504 | -11.1 | -11.3 | 98 | 2.79 | 234 | 49 | 306.2 | 315.1 | 306.7 |
531 | 5175 | -14.6 | -15.2 | 95 | 2.22 | 225 | 50 | 309.8 | 317.1 | 310.2 |
517 | 5379 | -15.7 | -16.4 | 94 | 2.06 | 229 | 54 | 310.9 | 317.7 | 311.2 |
516 | 5393 | -14.9 | -16.0 | 91 | 2.14 | 230 | 54 | 312.0 | 319.1 | 312.4 |
500 | 5630 | -17.7 | -18.4 | 94 | 1.80 | 235 | 58 | 311.4 | 317.4 | 311.7 |
484 | 5873 | -20.5 | -24.1 | 73 | 1.13 | 237 | 61 | 310.9 | 314.8 | 311.1 |
483 | 5888 | -20.9 | -24.7 | 71 | 1.08 | 237 | 62 | 310.6 | 314.3 | 310.8 |
480 | 5934 | -20.9 | -22.4 | 88 | 1.33 | 238 | 62 | 311.1 | 315.6 | 311.4 |
476 | 5996 | -21.7 | -27.7 | 58 | 0.83 | 238 | 63 | 310.9 | 313.8 | 311.0 |
470 | 6090 | -22.7 | -29.7 | 53 | 0.70 | 239 | 65 | 310.8 | 313.2 | 310.9 |
445 | 6490 | -24.5 | -27.0 | 80 | 0.95 | 243 | 70 | 313.4 | 316.7 | 313.6 |
444 | 6507 | -24.3 | -26.0 | 86 | 1.04 | 243 | 71 | 313.8 | 317.5 | 314.0 |
434 | 6671 | -25.6 | -28.5 | 77 | 0.84 | 245 | 73 | 314.1 | 317.1 | 314.3 |
400 | 7260 | -30.5 | -37.5 | 50 | 0.38 | 240 | 70 | 315.3 | 316.7 | 315.3 |
391 | 7422 | -31.7 | -39.7 | 45 | 0.31 | 236 | 71 | 315.8 | 316.9 | 315.8 |
384 | 7550 | -32.3 | -39.3 | 50 | 0.33 | 234 | 71 | 316.6 | 317.9 | 316.7 |
383 | 7568 | -32.1 | -35.6 | 71 | 0.48 | 233 | 71 | 317.1 | 318.9 | 317.2 |
375 | 7717 | -33.0 | -36.0 | 74 | 0.48 | 230 | 72 | 317.9 | 319.6 | 318.0 |
370 | 7812 | -33.5 | -36.2 | 77 | 0.47 | 230 | 72 | 318.4 | 320.1 | 318.5 |
369 | 7831 | -33.7 | -36.6 | 75 | 0.45 | 230 | 72 | 318.4 | 320.1 | 318.4 |
335 | 8502 | -39.1 | -41.1 | 81 | 0.31 | 233 | 75 | 319.9 | 321.1 | 320.0 |
300 | 9250 | -45.5 | -49.6 | 63 | 0.14 | 235 | 78 | 321.1 | 321.7 | 321.1 |
277 | 9773 | -50.3 | -56.3 | 49 | 0.07 | 233 | 81 | 321.6 | 321.9 | 321.6 |
250 | 10430 | -55.7 | -60.5 | 55 | 0.04 | 230 | 86 | 323.1 | 323.3 | 323.1 |
249 | 10456 | -55.8 | -60.6 | 55 | 0.04 | 230 | 87 | 323.4 | 323.5 | 323.4 |
246 | 10533 | -56.1 | -60.8 | 55 | 0.04 | 230 | 84 | 324.0 | 324.2 | 324.0 |
244 | 10585 | -54.7 | -59.6 | 54 | 0.05 | 230 | 84 | 326.9 | 327.1 | 326.9 |
240 | 10691 | -53.5 | -72.5 | 8 | 0.01 | 230 | 84 | 330.2 | 330.3 | 330.2 |
235 | 10827 | -53.1 | -70.1 | 11 | 0.01 | 230 | 84 | 332.8 | 332.9 | 332.8 |
210 | 11549 | -56.5 | -70.5 | 16 | 0.01 | 230 | 84 | 338.4 | 338.4 | 338.4 |
204 | 11734 | -55.8 | -71.6 | 12 | 0.01 | 230 | 84 | 342.3 | 342.4 | 342.3 |
200 | 11860 | -55.3 | -72.3 | 10 | 0.01 | 235 | 83 | 345.0 | 345.1 | 345.0 |
193 | 12087 | -55.2 | -72.3 | 10 | 0.01 | 240 | 76 | 348.8 | 348.9 | 348.8 |
174 | 12746 | -54.8 | -72.3 | 10 | 0.01 | 245 | 87 | 359.9 | 360.0 | 359.9 |
156 | 13440 | -54.3 | -72.3 | 9 | 0.01 | 255 | 55 | 372.1 | 372.1 | 372.1 |
155 | 13481 | -54.3 | -72.3 | 9 | 0.01 | 253 | 53 | 372.8 | 372.9 | 372.8 |
150 | 13690 | -54.5 | -73.5 | 8 | 0.01 | 245 | 43 | 376.0 | 376.0 | 376.0 |
147 | 13816 | -55.1 | -74.0 | 8 | 0.01 | 240 | 46 | 377.2 | 377.2 | 377.2 |
135 | 14347 | -57.5 | -75.9 | 8 | 0.01 | 245 | 62 | 382.2 | 382.3 | 382.2 |
113 | 15457 | -62.5 | -80.1 | 8 | 0.01 | 260 | 30 | 392.8 | 392.9 | 392.8 |
107 | 15798 | -64.0 | -81.3 | 8 | 0.01 | 250 | 20 | 396.1 | 396.1 | 396.1 |
100 | 16220 | -65.9 | -82.9 | 8 | 0.00 | 215 | 23 | 400.1 | 400.2 | 400.1 |
Showalter index | 9.35 |
Lifted index | 5.58 |
LIFT computed using virtual temperature | 5.68 |
SWEAT index | 102.02 |
K index | 13.90 |
Cross totals index | 8.10 |
Vertical totals index | 27.10 |
Totals totals index | 35.20 |
Convective Available Potential Energy | 0.00 |
CAPE using virtual temperature | 0.00 |
Convective Inhibition | 0.00 |
CINS using virtual temperature | 0.00 |
Bulk Richardson Number | 0.00 |
Bulk Richardson Number using CAPV | 0.00 |
Temp [K] of the Lifted Condensation Level | 276.94 |
Pres [hPa] of the Lifted Condensation Level | 840.20 |
Equivalent potential temp [K] of the LCL | 308.50 |
Mean mixed layer potential temperature | 291.08 |
Mean mixed layer mixing ratio | 6.09 |
1000 hPa to 500 hPa thickness | 5539.00 |
Precipitable water [mm] for entire sounding | 20.04 |


Approfondimenti: I radiosondaggi – Analisi radiosondaggi