UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 23 APR 25 Station: SBVT WMO ident: 83649 Latitude: -20.26 Longitude: -40.29 Elevation: 4.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1017 4 24.4 19.4 74 5.0 20.9 220 6 296.1 298.7 293.5 336.6 14.07 1 1000 154 22.8 18.2 75 4.6 19.6 205 9 296.0 298.3 292.8 334.1 13.26 2 925 830 18.2 14.0 76 4.2 15.5 140 6 297.9 299.9 291.6 329.7 10.92 3 897 1093 16.0 14.8 93 1.2 15.2 171 5 298.3 300.4 292.5 332.8 11.88 4 878 1275 15.0 14.2 95 0.8 14.5 198 4 299.1 301.2 292.6 333.1 11.67 5 850 1549 13.6 12.2 91 1.4 12.7 220 4 300.4 302.3 292.1 331.4 10.56 6 806 1997 12.2 10.4 89 1.8 11.1 239 6 303.5 305.3 292.5 332.9 9.87 7 700 3166 4.0 3.1 94 0.9 3.5 260 16 306.9 308.2 291.1 327.8 6.85 8 697 3201 4.0 2.7 91 1.3 3.3 260 16 307.3 308.5 291.0 327.7 6.68 9 690 3283 4.0 0.6 78 3.4 2.2 260 16 308.2 309.3 290.6 326.0 5.80 10 676 3451 7.8 -22.2 10 30.0 -2.3 254 17 314.2 314.4 287.9 317.5 0.95 11 663 3611 8.4 -36.6 2 45.0 -3.1 243 18 316.7 316.7 287.9 317.6 0.25 12 623 4122 6.2 -14.8 21 21.0 -2.3 236 18 319.8 320.2 290.7 326.4 1.94 13 576 4759 1.2 -11.8 37 13.0 -4.3 238 25 321.2 321.8 291.7 330.2 2.69 14 571 4829 2.2 -30.8 7 33.0 -7.0 238 26 323.2 323.3 290.3 325.1 0.51 15 561 4971 1.6 -33.4 5 35.0 -7.5 239 29 324.1 324.2 290.5 325.6 0.41 16 548 5160 1.0 -32.0 6 33.0 -7.9 240 31 325.6 325.7 291.0 327.4 0.48 17 500 5890 -3.9 -28.9 12 25.0 -10.8 245 35 328.3 328.4 291.9 330.8 0.70 18 452 6679 -9.5 -21.5 37 12.0 -13.3 253 37 330.9 331.2 293.4 336.3 1.52 19 443 6834 -10.3 -29.3 19 19.0 -15.2 255 37 331.8 331.9 292.9 334.6 0.76 20 415 7332 -15.1 -22.1 55 7.0 -17.2 261 39 331.9 332.2 293.7 337.4 1.57 21 400 7610 -16.9 -27.9 38 11.0 -19.6 265 40 333.0 333.2 293.4 336.5 0.96 22 390 7799 -18.5 -28.5 41 10.0 -20.8 266 40 333.3 333.5 293.5 336.8 0.93 23 348 8640 -22.7 -39.7 20 17.0 -25.4 273 43 338.7 338.8 294.3 340.1 0.35 24 335 8918 -24.1 -37.1 29 13.0 -26.3 273 45 340.5 340.6 294.9 342.3 0.47 25 300 9710 -30.9 -37.9 50 7.0 -31.9 265 45 341.8 341.9 295.2 343.7 0.49 26 283 10122 -34.7 -38.7 67 4.0 -35.2 262 46 342.1 342.2 295.3 344.0 0.48 27 271 10424 -36.5 -46.5 35 10.0 -37.4 259 47 343.8 343.8 295.4 344.7 0.22 28 251 10953 -40.7 -52.7 26 12.0 -41.5 255 48 345.2 345.2 295.7 345.6 0.11 29 250 10980 -40.9 -51.9 30 11.0 -41.6 255 48 345.3 345.3 295.7 345.8 0.13 30 234 11424 -45.1 -52.1 45 7.0 -45.5 251 51 345.5 345.5 295.7 346.0 0.13 31 227 11625 -46.5 -57.5 28 11.0 -47.0 250 52 346.4 346.4 295.9 346.7 0.07 32 222 11772 -47.5 -52.3 58 4.8 -47.7 249 53 347.0 347.1 296.1 347.6 0.14 33 209 12166 -51.3 -55.4 61 4.1 -51.5 245 55 347.1 347.2 296.1 347.6 0.10 34 200 12450 -53.3 -60.3 42 7.0 -53.5 255 53 348.4 348.4 296.3 348.6 0.06 35 191 12745 -55.9 -64.9 32 9.0 -56.1 256 54 348.8 348.8 296.4 348.9 0.03 36 173 13367 -61.1 -68.1 39 7.0 -61.2 259 55 350.2 350.2 296.7 350.3 0.02 37 170 13475 -61.9 -64.7 69 2.8 -61.9 259 55 350.7 350.7 296.8 350.8 0.04 38 150 14240 -67.3 -73.3 42 6.0 -67.4 270 54 354.2 354.2 297.5 354.2 0.01 39 149 14280 -67.9 -73.9 42 6.0 -67.9 270 54 353.8 353.8 297.4 353.8 0.01 40 129 15131 -74.9 -79.9 46 5.0 -74.9 267 53 356.1 356.1 297.9 356.1 0.01 41 112 15941 -79.3 -85.3 37 6.0 -79.3 261 52 362.6 362.6 299.2 362.6 0.00 42 101 16533 -75.7 -86.7 16 11.0 -75.7 260 36 380.4 380.4 302.3 380.4 0.00 43 100 16590 -76.1 -87.1 16 11.0 -76.2 260 34 380.7 380.7 302.3 380.7 0.00 44 90 17191 -81.1 -90.1 20 9.0 -81.1 285 44 382.4 382.4 302.6 382.4 0.00 45 83 17647 -80.5 -89.5 21 9.0 -80.5 290 48 392.6 392.6 304.2 392.6 0.00 46 70 18630 -71.9 -88.9 6 17.0 -72.0 255 19 430.6 430.6 308.9 430.6 0.00 47 66 18977 -68.9 -88.9 4 20.0 -69.1 254 20 444.4 444.4 310.3 444.4 0.00 48 63 19253 -70.7 -89.7 4 19.0 -70.8 237 22 446.4 446.4 310.5 446.4 0.00 49 55 20064 -65.7 -89.7 2 24.0 -66.0 259 14 475.5 475.5 313.1 475.5 0.00 50 50 20640 -66.5 -90.5 2 24.0 -66.8 35 8 486.8 486.8 314.0 486.8 0.00 51 47 21019 -62.9 -89.9 1 27.0 -63.3 46 10 504.1 504.1 315.2 504.1 0.00 52 38 22341 -59.9 -88.9 1 29.0 -60.6 41 24 543.3 543.3 317.7 543.4 0.00 53 36 22680 -59.9 -87.9 1 28.0 -60.7 30 21 551.8 551.8 318.2 551.8 0.00 54 33 23230 -55.3 -86.3 1 31.0 -56.7 58 10 577.9 577.9 319.6 578.0 0.01 55 30 23840 -55.1 -86.1 1 31.0 -56.7 125 23 594.4 594.4 320.3 594.5 0.01 56 28 24280 -54.3 -85.3 1 31.0 -56.1 113 25 608.5 608.5 321.0 608.6 0.01 57 20 26450 -50.1 -84.1 1 34.0 -53.5 85 35 682.8 682.8 323.9 682.9 0.02 58 19 26785 -50.1 -84.1 1 34.0 -53.7 81 34 692.9 692.9 324.2 693.0 0.02 59 14 28817 -41.9 -80.9 1 39.0 -49.7 70 36 784.0 784.0 326.8 784.3 0.04 60 12 29858 -43.1 -82.1 1 39.0 -51.0 70 33 815.0 815.1 327.6 815.4 0.04 TRP 90 17191 -81.1 -90.1 20 9.0 -81.1 285 44 382.4 382.4 302.6 382.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5736.00 m Freezing level: 538.20 mb = 5309.00 m = 17417.77 ft Wetbulb zero: 683.12 mb = 3364.85 m = 11039.39 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 54.93 % Est. max temperature: 27.89 C = 82.19 F Sfc-Lift cond lev (LCL): 945.41 mb = 640.73 m = 2102.12 ft T: 19.49 C 700-500 lapse rate: 2.90 C/km ThetaE index: 15.43 C Layer 700.0- 663.0 mb Conv cond level (CCL): 876.69 mb = 1287.36 m = 4223.58 ft Mean mixing ratio: 12.26 g/kg Conv temperature: 27.43 C = 81.38 F Cap Strength: 6.72 C Lifted Index: 6.22 C Risk: None Lifted Index @300 mb: 7.87 C Lifted Index @700 mb: -1.18 C Showalter Index: 6.63 C Risk: None Total Totals Index: 33.60 C Risk: None Vertical Totals Index: 17.50 C Cross Totals Index: 16.10 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 189.40 Risk: None Energy Index: 0.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.63 J/kg Max Up Vert Vel: 5.94 m/s Conv Inhibition (B-): 50.60 J/kg Cap Strength: 6.65 C Lift Cond Lev (LCL): 906.11 mb = 1006.41 m = 3301.82 ft Lev Free Conv (LFC): 741.11 mb = 2693.04 m = 8835.31 ft Equ Level (EL): 681.11 mb = 3389.03 m = 11118.74 ft B at Equ Level: 7.50 J/kg Max Parcel Lev (MPL): 671.11 mb = 3510.49 m = 11517.22 ft Wind level data Storm motion: 268 at 12 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1017 4 220 6 3.9 4.6 | 118 9 -8.2 4.3 1 1000 154 205 9 3.8 8.2 | 134 11 -8.2 7.8 2 983 305 210 12 6.0 10.4 | 149 12 -6.0 10.1 3 949 610 160 6 -2.1 5.6 | 111 15 -14.1 5.3 4 925 830 140 6 -3.9 4.6 | 105 16 -15.9 4.3 5 916 914 145 6 -3.4 4.9 | 106 16 -15.5 4.6 6 853 1524 235 3 2.5 1.7 | 98 10 -9.6 1.4 7 850 1549 220 4 2.6 3.1 | 106 10 -9.5 2.7 8 792 2134 245 7 6.3 3.0 | 115 6 -5.7 2.6 9 764 2438 235 8 6.6 4.6 | 128 7 -5.5 4.3 10 736 2743 255 13 12.6 3.4 | 190 3 0.5 3.0 11 700 3166 260 16 15.8 2.8 | 237 4 3.7 2.5 12 684 3353 260 16 15.8 2.8 | 237 4 3.7 2.5 13 659 3658 240 19 16.5 9.5 | 206 10 4.4 9.2 14 611 4267 235 18 14.7 10.3 | 195 10 2.7 10.0 15 546 5182 240 32 27.7 16.0 | 225 22 15.7 15.7 16 500 5890 245 35 31.7 14.8 | 234 24 19.7 14.5 17 487 6096 245 35 31.7 14.8 | 234 24 19.7 14.5 18 400 7610 265 40 39.8 3.5 | 264 28 27.8 3.2 19 367 8230 270 41 41.0 -0.0 | 271 29 29.0 -0.3 20 338 8839 275 44 43.8 -3.8 | 277 32 31.8 -4.2 21 324 9144 265 50 49.8 4.4 | 264 38 37.8 4.0 22 300 9710 265 45 44.8 3.9 | 264 33 32.8 3.6 23 250 10980 255 48 46.4 12.4 | 251 36 34.3 12.1 24 208 12192 245 55 49.8 23.2 | 239 44 37.8 22.9 25 200 12450 255 53 51.2 13.7 | 251 41 39.2 13.4 26 163 13716 260 56 55.1 9.7 | 258 44 43.1 9.4 27 150 14240 270 54 54.0 -0.0 | 270 42 42.0 -0.3 28 140 14630 270 54 54.0 -0.0 | 270 42 42.0 -0.3 29 108 16154 260 52 51.2 9.0 | 257 40 39.2 8.7 30 100 16590 260 34 33.5 5.9 | 255 22 21.4 5.6 31 97 16764 255 33 31.9 8.5 | 248 21 19.8 8.2 32 90 17191 285 44 42.5 -11.4 | 291 33 30.5 -11.7 33 83 17678 290 48 45.1 -16.4 | 297 37 33.1 -16.7 34 78 17983 275 46 45.8 -4.0 | 277 34 33.8 -4.3 35 74 18288 250 28 26.3 9.6 | 237 17 14.3 9.2 36 70 18593 245 17 15.4 7.2 | 206 8 3.4 6.9 37 70 18630 255 19 18.4 4.9 | 234 8 6.3 4.6 38 67 18898 265 18 17.9 1.6 | 258 6 5.9 1.2 39 64 19202 225 24 17.0 17.0 | 196 17 4.9 16.6 40 60 19507 290 14 13.2 -4.8 | 348 5 1.1 -5.1 41 57 19812 280 21 20.7 -3.6 | 295 10 8.6 -4.0 42 55 20117 255 13 12.6 3.4 | 190 3 0.5 3.0 43 50 20640 35 8 -4.6 -6.6 | 68 18 -16.6 -6.9 44 45 21336 55 11 -9.0 -6.3 | 73 22 -21.1 -6.6 45 43 21641 55 14 -11.5 -8.0 | 70 25 -23.5 -8.4 46 41 21946 100 13 -12.8 2.3 | 94 25 -24.8 1.9 47 39 22250 45 25 -17.7 -17.7 | 59 35 -29.7 -18.0 48 35 22860 25 19 -8.0 -17.2 | 49 27 -20.1 -17.5 49 33 23165 40 10 -6.4 -7.7 | 67 20 -18.5 -8.0 50 32 23470 110 10 -9.4 3.4 | 98 22 -21.4 3.1 51 30 23774 140 16 -10.3 12.3 | 118 25 -22.3 11.9 52 30 23840 125 23 -18.8 13.2 | 113 33 -30.9 12.9 53 29 24079 125 28 -22.9 16.1 | 114 38 -35.0 15.7 54 26 24689 90 20 -20.0 0.0 | 89 32 -32.0 -0.3 55 25 24994 105 24 -23.2 6.2 | 99 36 -35.2 5.9 56 24 25298 100 34 -33.5 5.9 | 97 46 -45.5 5.6 57 22 25908 75 34 -32.8 -8.8 | 79 46 -44.9 -9.1 58 21 26213 90 31 -31.0 0.0 | 90 43 -43.0 -0.3 59 20 26450 85 35 -34.9 -3.1 | 86 47 -46.9 -3.4 60 20 26518 75 35 -33.8 -9.1 | 78 47 -45.9 -9.4 61 18 26822 90 33 -33.0 0.0 | 90 45 -45.0 -0.3 62 17 27127 85 40 -39.8 -3.5 | 86 52 -51.9 -3.8 63 15 27432 70 37 -34.8 -12.7 | 74 49 -46.8 -13.0 64 11 28651 70 32 -30.1 -10.9 | 75 44 -42.1 -11.3 65 10 28956 90 29 -29.0 0.0 | 90 41 -41.0 -0.3 66 9 29566 70 27 -25.4 -9.2 | 76 39 -37.4 -9.6 67 8 29870 90 27 -27.0 0.0 | 90 39 -39.0 -0.3 Wind Parameters Mean winds (0-6000m): 238.4 at 16.1 knts Storm direction: 268.4 at 12.0 knts Shear (0-3000m) pos: 2.5 neg: 0.7 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 104.7 deg Storm rel helicity (0-3000m) pos: 37.5 neg: -44.5 tot: -7.0 m^2/s^2 ave: -2.3 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.37 Bulk Shear: 12.83 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 204 9 135 12| 0.0 5.6 5.6| 16.6 -21.8 -5.1 -10.3 -0.03| 13.8 -0.4 1000 186 8 123 13| 0.0 3.1 3.1| 20.3 -38.9 -18.6 -18.6 -0.19| 10.2 -1.9 1500 184 7 119 13| 1.9 2.0 3.9| 21.6 -44.5 -22.9 -15.3 -0.21| 8.9 -1.9 2000 195 6 118 12| 2.0 1.5 3.5| 27.2 -44.5 -17.3 -8.7 -0.11| 7.7 -0.8 2500 207 6 121 11| 1.6 0.8 2.4| 31.4 -44.5 -13.1 -5.2 -0.02| 6.9 -0.1 3000 222 7 127 9| 2.5 0.7 3.2| 37.5 -44.5 -7.0 -2.3 0.13| 6.9 0.9 4000 235 10 145 7| 1.9 1.2 3.1| 38.6 -54.3 -15.8 -3.9 0.03| 6.4 0.2 5000 236 13 166 7| 2.2 1.1 3.3| 62.8 -56.0 6.8 1.4 0.12| 6.3 0.7 6000 238 16 192 8| 2.4 0.9 3.3| 91.5 -56.0 35.5 5.9 0.17| 5.9 1.0 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20250423.12.gif