UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 12 OCT 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 1016 4 26.2 21.2 74 5.0 22.6 10 11 298.0 300.9 295.2 343.8 15.79 1 1000 145 23.4 20.1 82 3.3 21.1 5 13 296.5 299.3 294.3 339.7 14.97 2 984 286 22.0 19.6 86 2.4 20.4 1 19 296.5 299.2 294.1 339.1 14.74 3 925 821 18.6 16.5 88 2.1 17.2 360 25 298.3 300.7 293.3 335.8 12.87 4 888 1172 16.6 15.3 92 1.3 15.7 8 20 299.8 302.0 293.3 336.1 12.41 5 850 1545 14.4 13.1 92 1.3 13.6 360 19 301.2 303.3 292.9 334.3 11.22 6 824 1808 14.6 8.6 67 6.0 10.9 15 15 304.1 305.7 291.6 329.7 8.54 7 786 2206 11.2 8.8 85 2.4 9.7 34 11 304.6 306.3 292.2 331.8 9.08 8 770 2378 11.2 -3.8 35 15.0 3.9 31 9 306.4 307.1 288.1 318.1 3.75 9 744 2664 9.2 6.0 80 3.2 7.3 30 8 307.3 308.7 292.0 331.3 7.91 10 700 3168 6.6 3.2 79 3.4 4.7 15 5 309.8 311.1 292.0 331.0 6.90 11 698 3192 6.6 3.2 79 3.4 4.7 12 5 310.0 311.4 292.1 331.4 6.92 12 682 3382 6.6 -2.4 53 9.0 2.0 349 6 312.1 313.0 290.8 326.9 4.70 13 655 3713 4.4 0.1 74 4.3 2.1 310 7 313.3 314.4 292.2 331.7 5.89 14 586 4611 -1.9 -6.8 69 4.9 -4.1 233 12 316.0 316.8 291.3 328.7 3.92 15 582 4665 -2.1 -11.1 50 9.0 -5.8 242 12 316.4 317.0 290.5 325.6 2.81 16 571 4817 -1.7 -28.7 11 27.0 -9.0 267 13 318.6 318.8 289.0 320.8 0.63 17 559 4986 -3.1 -16.1 36 13.0 -7.8 276 13 318.9 319.3 290.4 325.5 1.95 18 528 5436 -6.7 -33.7 10 27.0 -12.8 273 10 319.8 319.9 289.2 321.4 0.42 19 500 5860 -9.7 -15.7 62 6.0 -11.8 280 7 321.2 321.7 291.4 328.8 2.25 20 491 5999 -10.9 -13.2 83 2.3 -11.8 274 8 321.4 322.0 291.9 330.8 2.82 21 473 6285 -10.9 -14.3 76 3.4 -12.2 266 8 324.9 325.4 292.7 333.9 2.67 22 429 7027 -15.1 -21.1 60 6.0 -16.9 251 5 328.7 329.0 292.9 334.5 1.66 23 400 7550 -19.5 -23.3 72 3.8 -20.5 240 3 329.6 329.9 293.0 334.8 1.46 24 374 8046 -23.5 -25.6 83 2.1 -24.0 239 6 330.7 331.0 293.2 335.3 1.27 25 331 8928 -29.9 -37.9 46 8.0 -31.0 267 22 333.7 333.8 293.2 335.4 0.44 26 300 9620 -36.1 -43.1 48 7.0 -36.8 285 32 334.5 334.5 293.2 335.6 0.28 27 254 10754 -46.1 -48.1 80 2.0 -46.2 303 37 336.0 336.0 293.5 336.8 0.19 28 250 10860 -46.9 -51.6 59 4.7 -47.1 305 38 336.3 336.4 293.6 336.9 0.13 29 244 11020 -47.9 -57.9 31 10.0 -48.3 304 42 337.2 337.2 293.7 337.4 0.06 30 234 11293 -49.7 -64.7 16 15.0 -50.1 295 27 338.5 338.5 294.0 338.6 0.03 31 200 12300 -56.1 -72.1 12 16.0 -56.3 265 40 343.9 343.9 295.3 344.0 0.01 32 184 12825 -60.5 -73.5 17 13.0 -60.6 270 43 345.1 345.1 295.6 345.1 0.01 33 160 13692 -62.1 -79.1 9 17.0 -62.2 261 33 356.5 356.5 298.0 356.5 0.00 34 150 14090 -62.5 -77.5 12 15.0 -62.6 275 50 362.4 362.4 299.2 362.4 0.01 35 101 16462 -73.7 -85.7 14 12.0 -73.7 287 30 384.2 384.2 302.9 384.2 0.00 36 100 16520 -73.9 -85.9 14 12.0 -73.9 290 28 384.9 384.9 303.1 385.0 0.00 37 92 17003 -76.9 -86.9 19 10.0 -76.9 275 24 388.3 388.3 303.5 388.3 0.00 38 74 18268 -72.5 -88.5 7 16.0 -72.6 259 10 422.5 422.5 308.0 422.5 0.00 39 70 18600 -65.9 -88.9 3 23.0 -66.1 220 12 443.4 443.4 310.2 443.4 0.00 40 69 18688 -65.3 -88.3 3 23.0 -65.5 217 13 446.5 446.5 310.5 446.5 0.00 41 57 19851 -66.5 -89.5 3 23.0 -66.7 7 16 468.9 468.9 312.5 468.9 0.00 42 50 20650 -64.7 -89.7 2 25.0 -65.0 175 4 491.0 491.0 314.3 491.0 0.00 43 41 21863 -64.1 -90.1 2 26.0 -64.5 54 12 521.2 521.2 316.4 521.2 0.00 44 36 22669 -58.7 -87.7 1 29.0 -59.6 75 11 554.9 554.9 318.3 554.9 0.00 45 34 23027 -59.7 -88.7 1 29.0 -60.6 125 11 561.4 561.4 318.7 561.5 0.00 46 31 23611 -54.9 -86.9 1 32.0 -56.5 97 13 589.4 589.4 320.1 589.5 0.01 47 30 23820 -56.3 -86.3 1 30.0 -57.7 45 12 591.2 591.2 320.2 591.2 0.01 48 25 24975 -57.9 -86.9 1 29.0 -59.3 61 28 618.2 618.2 321.4 618.3 0.01 49 20 26400 -52.5 -85.5 1 33.0 -55.3 140 4 675.5 675.5 323.6 675.6 0.01 50 15 28275 -48.7 -83.7 1 35.0 -53.4 91 9 746.0 746.0 325.8 746.2 0.02 51 14 28729 -48.9 -83.9 1 35.0 -53.7 80 10 760.2 760.2 326.2 760.4 0.02 TRP 92 17003 -76.9 -86.9 19 10.0 -76.9 275 24 388.3 388.3 303.5 388.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5715.00 m Freezing level: 606.81 mb = 4340.01 m = 14238.71 ft Wetbulb zero: 631.78 mb = 4004.13 m = 13136.74 ft Precipitable water: 1.74 inches Sfc-500 mean rel hum: 65.93 % Est. max temperature: 28.82 C = 83.88 F Sfc-Lift cond lev (LCL): 944.83 mb = 637.41 m = 2091.22 ft T: 19.77 C 700-500 lapse rate: 6.05 C/km ThetaE index: 13.79 C Layer 770.0- 744.0 mb Conv cond level (CCL): 907.08 mb = 989.18 m = 3245.30 ft Mean mixing ratio: 14.12 g/kg Conv temperature: 27.23 C = 81.01 F Cap Strength: 1.10 C Lifted Index: -2.22 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.96 C Lifted Index @700 mb: -0.51 C Showalter Index: -0.46 C Risk: Thunderstorms probable Total Totals Index: 46.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 22.80 C K Index: 33.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 202.20 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 277.78 J/kg Max Up Vert Vel: 23.57 m/s Conv Inhibition (B-): 7.42 J/kg Cap Strength: 0.88 C Lift Cond Lev (LCL): 929.40 mb = 779.97 m = 2558.92 ft Lev Free Conv (LFC): 864.40 mb = 1401.73 m = 4598.81 ft Equ Level (EL): 834.40 mb = 1701.89 m = 5583.56 ft B at Equ Level: 3.88 J/kg Max Parcel Lev (MPL): 814.40 mb = 1906.74 m = 6255.65 ft Wind level data Storm motion: 11 at 9 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 1016 4 10 11 -1.9 -10.8 | 5 2 -0.2 -1.9 1 1000 145 5 13 -1.1 -13.0 | 351 4 0.6 -4.0 2 982 305 360 20 -0.0 -20.0 | 351 11 1.7 -11.0 3 948 610 360 26 -0.0 -26.0 | 354 17 1.7 -17.0 4 925 821 360 25 -0.0 -25.0 | 354 16 1.7 -16.0 5 915 914 360 21 -0.0 -21.0 | 352 12 1.7 -12.0 6 883 1219 10 20 -3.5 -19.7 | 9 11 -1.7 -10.7 7 852 1524 355 16 1.4 -15.9 | 336 8 3.1 -7.0 8 850 1545 360 19 -0.0 -19.0 | 350 10 1.7 -10.0 9 792 2134 35 11 -6.3 -9.0 | 89 5 -4.6 -0.0 10 764 2438 30 9 -4.5 -7.8 | 113 3 -2.8 1.2 11 710 3048 30 5 -2.5 -4.3 | 171 5 -0.8 4.6 12 700 3168 15 5 -1.3 -4.8 | 186 4 0.4 4.1 13 610 4267 240 9 7.8 4.5 | 215 16 9.5 13.5 14 587 4572 230 12 9.2 7.7 | 213 20 10.9 16.7 15 565 4877 280 14 13.8 -2.4 | 247 17 15.5 6.5 16 544 5182 265 11 11.0 1.0 | 232 16 12.7 9.9 17 524 5486 275 10 10.0 -0.9 | 235 14 11.7 8.1 18 500 5860 280 7 6.9 -1.2 | 228 12 8.6 7.8 19 485 6096 270 9 9.0 -0.0 | 230 14 10.7 9.0 20 400 7550 240 3 2.6 1.5 | 202 11 4.3 10.5 21 380 7925 225 2 1.4 1.4 | 197 11 3.1 10.4 22 364 8230 265 12 12.0 1.0 | 234 17 13.7 10.0 23 334 8839 265 21 20.9 1.8 | 245 25 22.7 10.8 24 300 9620 285 32 30.9 -8.3 | 269 33 32.6 0.7 25 250 10860 305 38 31.1 -21.8 | 291 35 32.9 -12.8 26 246 10973 305 44 36.0 -25.2 | 293 41 37.8 -16.3 27 234 11278 295 27 24.5 -11.4 | 275 26 26.2 -2.4 28 213 11887 265 36 35.9 3.1 | 252 39 37.6 12.1 29 200 12300 265 40 39.8 3.5 | 253 43 41.6 12.5 30 185 12802 270 43 43.0 -0.0 | 259 46 44.7 9.0 31 176 13106 275 40 39.8 -3.5 | 262 42 41.6 5.5 32 159 13716 260 33 32.5 5.7 | 247 37 34.2 14.7 33 150 14090 275 50 49.8 -4.4 | 265 52 51.5 4.6 34 137 14630 280 49 48.3 -8.5 | 269 50 50.0 0.5 35 130 14935 270 54 54.0 -0.0 | 261 56 55.7 9.0 36 112 15850 255 45 43.5 11.6 | 245 50 45.2 20.6 37 100 16520 290 28 26.3 -9.6 | 271 28 28.0 -0.6 38 96 16764 290 28 26.3 -9.6 | 271 28 28.0 -0.6 39 92 17003 275 24 23.9 -2.1 | 255 27 25.6 6.9 40 86 17374 275 22 21.9 -1.9 | 253 25 23.7 7.1 41 82 17678 295 17 15.4 -7.2 | 264 17 17.1 1.8 42 78 17983 245 11 10.0 4.6 | 221 18 11.7 13.6 43 74 18288 260 10 9.8 1.7 | 227 16 11.6 10.7 44 70 18593 230 12 9.2 7.7 | 213 20 10.9 16.7 45 70 18600 220 12 7.7 9.2 | 207 20 9.4 18.2 46 67 18898 210 15 7.5 13.0 | 203 24 9.2 22.0 47 63 19202 195 10 2.6 9.7 | 193 19 4.3 18.6 48 60 19507 40 11 -7.1 -8.4 | 96 5 -5.3 0.5 49 57 19812 10 17 -3.0 -16.7 | 9 8 -1.2 -7.8 50 55 20117 350 11 1.9 -10.8 | 297 4 3.6 -1.9 51 52 20422 290 11 10.3 -3.8 | 247 13 12.1 5.2 52 50 20650 175 4 -0.3 4.0 | 186 13 1.4 13.0 53 47 21031 70 4 -3.8 -1.4 | 165 8 -2.0 7.6 54 43 21641 70 11 -10.3 -3.8 | 121 10 -8.6 5.2 55 41 21946 50 12 -9.2 -7.7 | 100 8 -7.5 1.3 56 39 22250 60 12 -10.4 -6.0 | 109 9 -8.7 3.0 57 37 22555 40 12 -7.7 -9.2 | 88 6 -6.0 -0.2 58 35 22860 120 10 -8.7 5.0 | 154 16 -6.9 14.0 59 32 23470 135 13 -9.2 9.2 | 158 20 -7.5 18.2 60 30 23820 45 12 -8.5 -8.5 | 94 7 -6.7 0.5 61 29 24079 40 15 -9.6 -11.5 | 72 8 -7.9 -2.5 62 27 24384 105 17 -16.4 4.4 | 132 20 -14.7 13.4 63 25 24994 60 28 -24.2 -14.0 | 77 23 -22.5 -5.0 64 24 25298 15 10 -2.6 -9.7 | 51 1 -0.9 -0.7 65 23 25603 40 2 -1.3 -1.5 | 183 7 0.4 7.4 66 21 26213 100 11 -10.8 1.9 | 140 14 -9.1 10.9 67 20 26400 140 4 -2.6 3.1 | 176 12 -0.8 12.0 68 14 27737 75 10 -9.7 -2.6 | 129 10 -7.9 6.4 69 12 28042 50 12 -9.2 -7.7 | 100 8 -7.5 1.3 70 11 28346 70 12 -11.3 -4.1 | 117 11 -9.5 4.9 71 10 28651 85 19 -18.9 -1.7 | 113 19 -17.2 7.3 72 10 28956 70 23 -21.6 -7.9 | 93 20 -19.9 1.1 Wind Parameters Mean winds (0-6000m): 341.0 at 12.2 knts Storm direction: 11.0 at 9.1 knts Shear (0-3000m) pos: 2.3 neg: 1.4 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 162.9 deg Storm rel helicity (0-3000m) pos: 37.7 neg: -14.5 tot: 23.2 m^2/s^2 ave: 7.7 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 2.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 37.56 Bulk Shear: 7.40 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 2 17 352 9| 0.0 13.6 13.6| 1.8 -1.0 0.8 1.6 -0.03| 13.7 -0.4 1000 1 21 353 12| 1.8 6.8 8.6| 5.8 -3.0 2.8 2.8 0.01| 10.8 0.2 1500 2 20 355 11| 1.2 3.3 4.4| 12.7 -14.5 -1.9 -1.2 -0.07| 10.0 -0.7 2000 4 19 357 10| 2.9 2.5 5.4| 30.6 -14.5 16.0 8.0 0.19| 10.4 1.9 2500 7 17 2 8| 2.8 2.0 4.8| 35.1 -14.5 20.6 8.2 0.26| 9.4 2.4 3000 9 16 5 6| 2.3 1.4 3.7| 37.7 -14.5 23.2 7.7 0.30| 8.4 2.5 4000 5 13 352 4| 1.8 2.1 3.9| 44.0 -19.6 24.4 6.1 0.29| 8.0 2.4 5000 353 13 319 5| 0.5 1.9 2.4| 94.9 -41.9 52.9 10.6 0.28| 8.5 2.4 6000 341 12 294 6| 0.6 1.4 2.0| 98.6 -57.0 41.6 6.9 0.23| 7.8 1.8 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251012.12.gif