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 | 25.8 | 20.8 | 74 | 5.65 | 0 | 0 | 298.5 | 344.2 | 301.3 |
1000 | 92 | 27.0 | 19.0 | 62 | 4.03 | 295 | 5 | 300.1 | 341.5 | 302.7 |
996 | 127 | 27.0 | 18.0 | 58 | 3.21 | 293 | 7 | 300.5 | 339.5 | 302.9 |
992 | 163 | 26.9 | 16.8 | 54 | 2.25 | 290 | 10 | 300.7 | 337.0 | 302.9 |
966 | 397 | 26.1 | 8.6 | 33 | 7.32 | 325 | 19 | 302.2 | 324.3 | 303.5 |
964 | 416 | 26.0 | 8.0 | 32 | 7.03 | 323 | 19 | 302.3 | 323.6 | 303.6 |
957 | 480 | 25.5 | 9.0 | 35 | 7.58 | 315 | 21 | 302.4 | 325.3 | 303.8 |
950 | 544 | 25.0 | 10.0 | 39 | 8.17 | 311 | 19 | 302.6 | 327.2 | 304.0 |
949 | 553 | 24.9 | 10.0 | 39 | 8.20 | 310 | 19 | 302.6 | 327.3 | 304.1 |
925 | 777 | 23.0 | 11.0 | 47 | 8.98 | 315 | 14 | 302.8 | 329.9 | 304.5 |
903 | 985 | 21.3 | 12.2 | 56 | 9.99 | 325 | 13 | 303.1 | 333.2 | 305.0 |
890 | 1110 | 20.3 | 13.0 | 63 | 0.65 | 315 | 13 | 303.4 | 335.3 | 305.3 |
879 | 1218 | 19.4 | 13.6 | 69 | 1.25 | 345 | 10 | 303.5 | 337.2 | 305.6 |
850 | 1508 | 17.0 | 15.3 | 90 | 3.03 | 340 | 6 | 303.9 | 342.9 | 306.3 |
837 | 1640 | 15.8 | 15.6 | 99 | 3.50 | 287 | 2 | 304.0 | 344.4 | 306.5 |
834 | 1670 | 16.1 | 14.9 | 93 | 2.97 | 275 | 1 | 304.6 | 343.6 | 307.0 |
827 | 1742 | 16.8 | 13.4 | 80 | 1.82 | 259 | 3 | 306.1 | 341.9 | 308.3 |
814 | 1878 | 16.0 | 11.1 | 73 | 0.30 | 230 | 6 | 306.7 | 338.0 | 308.6 |
797 | 2056 | 14.9 | 10.7 | 76 | 0.26 | 190 | 10 | 307.3 | 338.6 | 309.2 |
769 | 2360 | 13.0 | 10.1 | 83 | 0.19 | 206 | 18 | 308.4 | 339.7 | 310.3 |
754 | 2525 | 12.8 | 5.7 | 62 | 7.67 | 215 | 22 | 310.0 | 333.9 | 311.4 |
751 | 2559 | 12.8 | 4.8 | 58 | 7.23 | 213 | 22 | 310.3 | 332.9 | 311.7 |
727 | 2830 | 10.7 | 5.7 | 71 | 7.94 | 200 | 23 | 310.9 | 335.7 | 312.4 |
710 | 3028 | 9.2 | 6.3 | 82 | 8.50 | 206 | 27 | 311.4 | 337.9 | 313.0 |
700 | 3146 | 9.0 | 3.0 | 66 | 6.83 | 210 | 30 | 312.4 | 334.0 | 313.7 |
682 | 3361 | 8.0 | 0.4 | 59 | 5.81 | 205 | 41 | 313.7 | 332.2 | 314.8 |
678 | 3410 | 7.8 | -0.2 | 57 | 5.59 | 205 | 41 | 313.9 | 331.9 | 315.0 |
676 | 3434 | 7.8 | -0.2 | 57 | 5.61 | 204 | 41 | 314.2 | 332.2 | 315.3 |
603 | 4359 | 0.2 | -4.0 | 74 | 4.75 | 195 | 45 | 315.8 | 331.2 | 316.7 |
583 | 4632 | -2.1 | -5.1 | 80 | 4.51 | 198 | 46 | 316.2 | 330.9 | 317.1 |
561 | 4936 | -4.5 | -11.5 | 58 | 2.84 | 200 | 48 | 316.9 | 326.4 | 317.4 |
548 | 5120 | -5.5 | -23.5 | 23 | 1.06 | 202 | 49 | 317.8 | 321.6 | 318.0 |
528 | 5409 | -7.7 | -21.8 | 32 | 1.28 | 205 | 50 | 318.6 | 323.1 | 318.8 |
523 | 5483 | -8.3 | -21.3 | 34 | 1.34 | 206 | 49 | 318.7 | 323.4 | 319.0 |
509 | 5693 | -9.7 | -43.7 | 4 | 0.16 | 208 | 45 | 319.5 | 320.1 | 319.6 |
500 | 5830 | -10.9 | -24.9 | 31 | 1.02 | 210 | 43 | 319.7 | 323.3 | 319.9 |
491 | 5969 | -12.1 | -24.1 | 36 | 1.12 | 211 | 42 | 319.9 | 323.9 | 320.1 |
486 | 6048 | -12.9 | -24.9 | 36 | 1.05 | 212 | 41 | 319.8 | 323.6 | 320.0 |
480 | 6143 | -13.1 | -41.1 | 8 | 0.22 | 213 | 41 | 320.7 | 321.6 | 320.8 |
464 | 6401 | -14.1 | -48.1 | 4 | 0.11 | 216 | 39 | 322.6 | 323.0 | 322.6 |
435 | 6887 | -17.9 | -31.9 | 28 | 0.61 | 221 | 35 | 323.8 | 326.1 | 323.9 |
418 | 7185 | -19.9 | -42.9 | 11 | 0.21 | 224 | 33 | 324.9 | 325.8 | 325.0 |
410 | 7327 | -20.9 | -43.5 | 11 | 0.20 | 225 | 32 | 325.4 | 326.2 | 325.4 |
400 | 7510 | -22.3 | -44.3 | 12 | 0.19 | 225 | 35 | 325.9 | 326.7 | 326.0 |
340 | 8684 | -31.1 | -44.1 | 27 | 0.23 | 225 | 40 | 329.4 | 330.3 | 329.5 |
304 | 9467 | -36.8 | -51.6 | 20 | 0.11 | 225 | 44 | 332.1 | 332.6 | 332.1 |
300 | 9560 | -37.5 | -52.5 | 19 | 0.10 | 230 | 45 | 332.4 | 332.8 | 332.4 |
293 | 9723 | -38.9 | -52.9 | 21 | 0.10 | 236 | 46 | 332.7 | 333.1 | 332.7 |
271 | 10252 | -41.6 | -59.5 | 13 | 0.05 | 255 | 49 | 336.3 | 336.5 | 336.3 |
250 | 10800 | -44.3 | -66.3 | 7 | 0.02 | 260 | 54 | 340.1 | 340.2 | 340.1 |
233 | 11270 | -46.3 | -69.5 | 5 | 0.01 | 260 | 58 | 343.9 | 344.0 | 343.9 |
222 | 11592 | -47.7 | -71.7 | 5 | 0.01 | 252 | 57 | 346.6 | 346.6 | 346.6 |
217 | 11742 | -48.7 | -71.7 | 5 | 0.01 | 248 | 57 | 347.3 | 347.4 | 347.3 |
206 | 12085 | -48.6 | -74.8 | 3 | 0.01 | 240 | 56 | 352.7 | 352.7 | 352.7 |
200 | 12280 | -48.5 | -76.5 | 2 | 0.01 | 245 | 58 | 355.8 | 355.8 | 355.8 |
196 | 12412 | -49.0 | -76.8 | 3 | 0.01 | 245 | 61 | 357.0 | 357.1 | 357.0 |
185 | 12788 | -50.5 | -77.5 | 3 | 0.01 | 242 | 56 | 360.6 | 360.6 | 360.6 |
181 | 12930 | -48.3 | -79.3 | 2 | 0.00 | 240 | 54 | 366.4 | 366.4 | 366.4 |
166 | 13488 | -51.8 | -80.9 | 2 | 0.00 | 235 | 47 | 369.7 | 369.7 | 369.7 |
152 | 14055 | -55.4 | -82.6 | 2 | 0.00 | 225 | 58 | 372.9 | 373.0 | 373.0 |
151 | 14098 | -55.7 | -82.7 | 2 | 0.00 | 227 | 59 | 373.2 | 373.2 | 373.2 |
150 | 14140 | -55.5 | -83.5 | 2 | 0.00 | 230 | 59 | 374.2 | 374.3 | 374.2 |
138 | 14669 | -56.8 | -84.3 | 2 | 0.00 | 240 | 62 | 381.1 | 381.1 | 381.1 |
127 | 15195 | -58.0 | -85.2 | 2 | 0.00 | 230 | 50 | 387.9 | 387.9 | 387.9 |
123 | 15398 | -58.5 | -85.5 | 2 | 0.00 | 234 | 45 | 390.6 | 390.6 | 390.6 |
106 | 16326 | -61.2 | -86.8 | 2 | 0.00 | 255 | 19 | 402.4 | 402.4 | 402.4 |
102 | 16566 | -61.9 | -87.1 | 2 | 0.00 | 230 | 18 | 405.5 | 405.5 | 405.5 |
100 | 16690 | -62.3 | -87.3 | 2 | 0.00 | 230 | 19 | 407.1 | 407.1 | 407.1 |
Showalter index | -5.19 |
Lifted index | 0.26 |
LIFT computed using virtual temperature | -0.10 |
SWEAT index | 340.61 |
K index | 37.20 |
Cross totals index | 26.20 |
Vertical totals index | 27.90 |
Totals totals index | 54.10 |
Convective Available Potential Energy | 0.63 |
CAPE using virtual temperature | 4.05 |
Convective Inhibition | -551.70 |
CINS using virtual temperature | -536.39 |
Equilibrum Level | 482.46 |
Equilibrum Level using virtual temperature | 475.01 |
Level of Free Convection | 490.56 |
LFCT using virtual temperature | 503.05 |
Bulk Richardson Number | 0.01 |
Bulk Richardson Number using CAPV | 0.04 |
Temp [K] of the Lifted Condensation Level | 283.17 |
Pres [hPa] of the Lifted Condensation Level | 803.97 |
Equivalent potential temp [K] of the LCL | 330.26 |
Mean mixed layer potential temperature | 301.40 |
Mean mixed layer mixing ratio | 10.07 |
1000 hPa to 500 hPa thickness | 5738.00 |
Precipitable water [mm] for entire sounding | 39.55 |


Approfondimenti: I radiosondaggi – Analisi radiosondaggi