UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 18 JAN 26 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 1013 4 27.8 20.8 66 7.0 22.8 350 13 299.8 302.7 295.5 345.0 15.44 1 1000 116 25.8 18.8 65 7.0 20.9 355 13 299.0 301.5 294.1 339.1 13.78 2 925 797 19.6 17.0 85 2.6 17.8 15 13 299.4 301.8 293.9 338.1 13.29 3 893 1100 16.8 16.8 100 0.0 16.8 15 16 299.5 302.0 294.1 339.2 13.60 4 888 1148 16.8 13.8 82 3.0 14.8 15 17 300.0 302.0 292.5 332.9 11.24 5 883 1196 18.0 13.0 73 5.0 14.8 15 17 301.7 303.7 292.6 333.4 10.72 6 850 1522 16.0 9.0 63 7.0 11.7 30 14 302.9 304.5 291.2 328.3 8.50 7 750 2580 12.8 -19.2 9 32.0 1.1 7 10 310.5 310.7 286.8 314.2 1.11 8 700 3155 8.2 -5.8 36 14.0 1.6 355 7 311.6 312.2 289.6 322.8 3.54 9 693 3238 7.4 -1.6 53 9.0 2.8 357 7 311.6 312.5 290.9 327.0 4.91 10 688 3297 7.6 -9.4 29 17.0 0.1 358 8 312.4 313.0 289.1 321.2 2.72 11 677 3430 6.6 -2.4 53 9.0 2.0 0 9 312.8 313.7 291.0 327.7 4.74 12 667 3552 6.4 -15.6 19 22.0 -2.0 3 9 313.9 314.2 288.6 319.5 1.70 13 653 3726 5.2 -17.8 17 23.0 -3.1 7 11 314.4 314.7 288.5 319.3 1.44 14 629 4030 2.8 -13.2 30 16.0 -3.6 13 12 315.1 315.5 289.5 322.3 2.20 15 626 4069 2.4 -5.6 55 8.0 -1.4 12 12 315.1 315.8 291.1 327.9 4.02 16 618 4173 1.8 -5.2 60 7.0 -1.6 9 10 315.5 316.3 291.4 329.0 4.20 17 605 4344 0.8 -20.2 19 21.0 -6.2 5 9 316.3 316.5 288.9 320.6 1.27 18 601 4397 0.4 -8.6 51 9.0 -3.6 6 10 316.4 317.1 290.9 327.2 3.32 19 596 4464 0.2 -15.8 29 16.0 -5.7 6 10 317.0 317.3 289.8 323.2 1.87 20 583 4641 -1.5 -7.5 64 6.0 -4.2 8 11 317.0 317.7 291.5 329.1 3.73 21 577 4723 -1.9 -13.9 39 12.0 -6.5 9 11 317.4 317.9 290.3 324.9 2.26 22 571 4806 -2.7 -9.7 59 7.0 -5.7 9 12 317.5 318.1 291.1 327.9 3.21 23 559 4974 -3.1 -28.1 12 25.0 -9.8 11 13 318.9 319.1 289.2 321.3 0.68 24 531 5380 -4.9 -21.9 25 17.0 -10.2 1 12 321.5 321.7 290.5 325.8 1.25 25 500 5850 -8.7 -23.7 29 15.0 -13.0 325 7 322.4 322.7 290.7 326.4 1.13 26 470 6325 -11.9 -21.9 43 10.0 -14.9 298 5 324.2 324.5 291.5 329.1 1.41 27 468 6358 -12.3 -24.3 36 12.0 -15.6 296 5 324.1 324.3 291.2 328.1 1.14 28 460 6489 -12.9 -37.9 10 25.0 -17.6 289 5 325.0 325.0 290.6 326.2 0.32 29 455 6572 -13.5 -29.5 25 16.0 -17.2 284 5 325.2 325.4 291.1 327.9 0.73 30 452 6622 -13.7 -17.4 74 3.7 -14.9 281 5 325.6 326.0 292.5 333.0 2.16 31 447 6707 -14.3 -17.9 74 3.6 -15.5 277 6 325.9 326.3 292.6 333.1 2.09 32 442 6792 -14.7 -15.7 92 1.0 -15.0 272 6 326.4 326.9 293.1 335.1 2.55 33 433 6947 -15.3 -26.3 38 11.0 -18.1 263 6 327.6 327.8 292.0 331.3 1.03 34 425 7087 -15.7 -27.7 35 12.0 -18.6 255 7 328.8 329.0 292.3 332.2 0.92 35 411 7338 -17.9 -21.6 73 3.7 -19.0 241 7 329.2 329.5 293.0 335.0 1.65 36 400 7540 -19.7 -22.8 76 3.1 -20.5 230 8 329.4 329.7 293.0 334.8 1.53 37 395 7633 -20.5 -23.0 80 2.5 -21.2 219 10 329.5 329.8 293.0 334.9 1.52 38 390 7727 -21.3 -24.5 75 3.2 -22.1 214 11 329.7 330.0 292.9 334.5 1.35 39 388 7765 -21.3 -33.3 33 12.0 -23.5 212 11 330.2 330.3 292.3 332.4 0.59 40 385 7823 -21.5 -33.5 33 12.0 -23.8 209 12 330.6 330.8 292.4 332.8 0.59 41 381 7899 -22.1 -30.1 48 8.0 -23.8 204 13 330.8 331.0 292.7 333.8 0.82 42 366 8194 -23.5 -40.5 19 17.0 -26.0 188 16 332.8 332.9 292.8 334.0 0.30 43 364 8234 -23.5 -29.5 58 6.0 -24.8 185 16 333.3 333.5 293.5 336.7 0.91 44 362 8274 -23.9 -28.9 63 5.0 -25.0 188 16 333.3 333.5 293.5 336.9 0.97 45 335 8836 -27.5 -30.4 76 2.9 -28.0 212 21 335.9 336.0 294.1 339.2 0.91 46 300 9620 -33.9 -36.6 77 2.7 -34.3 200 29 337.6 337.7 294.3 339.7 0.55 47 250 10870 -43.7 -46.9 70 3.2 -43.9 210 44 341.1 341.1 294.8 342.0 0.22 48 215 11859 -53.1 -57.1 62 4.0 -53.2 210 49 341.5 341.6 294.8 341.9 0.08 49 200 12320 -56.9 -58.7 80 1.8 -56.9 210 52 342.7 342.7 295.0 343.0 0.07 50 195 12480 -58.1 -59.6 83 1.5 -58.1 206 53 343.2 343.2 295.1 343.5 0.06 51 192 12578 -58.7 -61.8 67 3.1 -58.7 202 52 343.8 343.8 295.3 344.0 0.05 52 190 12643 -58.7 -71.7 17 13.0 -58.9 200 51 344.8 344.8 295.5 344.9 0.01 53 189 12677 -58.1 -77.1 7 19.0 -58.3 199 50 346.3 346.3 295.8 346.3 0.01 54 180 12984 -58.9 -74.9 11 16.0 -59.1 189 46 349.9 349.9 296.6 349.9 0.01 55 154 13949 -64.9 -80.9 9 16.0 -65.0 188 28 355.6 355.6 297.8 355.6 0.00 56 150 14110 -64.7 -76.7 18 12.0 -64.8 170 17 358.6 358.6 298.4 358.7 0.01 57 149 14151 -64.9 -75.9 21 11.0 -65.0 169 16 359.0 359.0 298.5 359.0 0.01 58 100 16530 -74.3 -88.3 10 14.0 -74.3 170 10 384.2 384.2 302.9 384.2 0.00 59 90 17141 -76.3 -89.3 11 13.0 -76.3 130 23 391.9 391.9 304.0 391.9 0.00 60 81 17747 -77.1 -90.1 11 13.0 -77.1 104 21 402.3 402.3 305.5 402.3 0.00 61 70 18590 -75.1 -90.1 8 15.0 -75.2 105 28 423.7 423.7 308.2 423.7 0.00 62 55 20010 -69.3 -89.3 4 20.0 -69.5 68 22 467.3 467.3 312.4 467.3 0.00 63 52 20345 -70.1 -90.1 4 20.0 -70.2 89 23 473.0 473.0 312.9 473.0 0.00 64 50 20580 -66.5 -89.5 3 23.0 -66.8 70 32 486.8 486.8 314.0 486.8 0.00 65 48 20828 -65.1 -90.1 2 25.0 -65.4 75 34 495.8 495.8 314.7 495.8 0.00 66 37 22434 -59.5 -88.5 1 29.0 -60.3 94 26 548.5 548.5 318.0 548.5 0.00 67 33 23146 -61.5 -88.5 2 27.0 -62.2 95 33 561.5 561.5 318.7 561.5 0.00 68 30 23740 -59.3 -87.3 1 28.0 -60.3 65 41 583.0 583.0 319.8 583.0 0.01 69 20 26300 -55.7 -85.7 1 30.0 -57.8 90 37 665.7 665.7 323.3 665.8 0.01 70 18 26975 -53.1 -85.1 1 32.0 -55.9 88 44 694.2 694.3 324.3 694.4 0.02 71 18 26975 -53.3 -84.3 1 31.0 -56.1 88 44 693.6 693.6 324.2 693.8 0.02 TRP 90 17141 -76.3 -89.3 11 13.0 -76.3 130 23 391.9 391.9 304.0 391.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5734.00 m Freezing level: 594.47 mb = 4484.98 m = 14714.32 ft Wetbulb zero: 672.02 mb = 3490.55 m = 11451.81 ft Precipitable water: 1.33 inches Sfc-500 mean rel hum: 43.22 % Est. max temperature: 30.40 C = 86.71 F Sfc-Lift cond lev (LCL): 915.16 mb = 888.92 m = 2916.36 ft T: 18.75 C 700-500 lapse rate: 6.27 C/km ThetaE index: 19.16 C Layer 850.0- 700.0 mb Conv cond level (CCL): 894.00 mb = 1090.01 m = 3576.10 ft Mean mixing ratio: 13.65 g/kg Conv temperature: 27.44 C = 81.39 F Cap Strength: 2.70 C Lifted Index: -1.51 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.77 C Lifted Index @700 mb: 0.80 C Showalter Index: 3.38 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 17.70 C K Index: 19.70 Risk: < 20 % chance of thunderstorms Sweat Index: 143.00 Risk: None Energy Index: -0.25 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 177.76 J/kg Max Up Vert Vel: 18.86 m/s Conv Inhibition (B-): 139.34 J/kg Cap Strength: 2.62 C Lift Cond Lev (LCL): 897.80 mb = 1053.57 m = 3456.56 ft Lev Free Conv (LFC): 632.80 mb = 3981.28 m = 13061.78 ft Equ Level (EL): 352.80 mb = 8461.03 m = 27758.94 ft B at Equ Level: 176.92 J/kg Max Parcel Lev (MPL): 212.80 mb = 11924.96 m = 39123.41 ft Wind level data Storm motion: 39 at 8 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 1013 4 350 13 2.3 -12.8 | 309 10 7.6 -6.3 1 1000 116 355 13 1.1 -13.0 | 315 9 6.5 -6.4 2 979 305 360 13 -0.0 -13.0 | 320 8 5.4 -6.5 3 945 610 15 10 -2.6 -9.7 | 318 4 2.8 -3.1 4 925 797 15 13 -3.4 -12.6 | 342 6 2.0 -6.0 5 912 914 15 15 -3.9 -14.5 | 350 8 1.5 -8.0 6 881 1219 15 17 -4.4 -16.4 | 354 10 1.0 -9.9 7 850 1522 30 14 -7.0 -12.1 | 16 6 -1.6 -5.6 8 820 1829 35 13 -7.5 -10.6 | 27 5 -2.1 -4.1 9 790 2134 5 11 -1.0 -11.0 | 315 6 4.4 -4.4 10 762 2438 10 11 -1.9 -10.8 | 321 6 3.4 -4.3 11 700 3155 355 7 0.6 -7.0 | 274 6 6.0 -0.4 12 657 3658 5 10 -0.9 -10.0 | 307 6 4.5 -3.4 13 633 3962 15 13 -3.4 -12.6 | 342 6 2.0 -6.0 14 609 4267 5 9 -0.8 -9.0 | 298 5 4.6 -2.4 15 565 4877 10 12 -2.1 -11.8 | 328 6 3.3 -5.3 16 544 5182 15 14 -3.6 -13.5 | 346 7 1.7 -7.0 17 500 5850 325 7 4.0 -5.7 | 265 9 9.4 0.8 18 484 6096 310 4 3.1 -2.6 | 245 9 8.4 4.0 19 400 7540 230 8 6.1 5.1 | 225 16 11.5 11.7 20 396 7620 220 10 6.4 7.7 | 220 18 11.8 14.2 21 364 8230 185 16 1.4 15.9 | 197 23 6.8 22.5 22 349 8534 215 20 11.5 16.4 | 216 28 16.8 22.9 23 307 9449 205 22 9.3 19.9 | 209 30 14.7 26.5 24 300 9620 200 29 9.9 27.3 | 204 37 15.3 33.8 25 269 10363 215 45 25.8 36.9 | 216 53 31.2 43.4 26 250 10870 210 44 22.0 38.1 | 212 52 27.4 44.6 27 200 12320 210 52 26.0 45.0 | 211 60 31.4 51.6 28 194 12497 205 53 22.4 48.0 | 207 61 27.8 54.6 29 168 13411 175 39 -3.4 38.9 | 182 45 2.0 45.4 30 152 14021 190 27 4.7 26.6 | 197 35 10.0 33.1 31 150 14110 170 17 -3.0 16.7 | 186 23 2.4 23.3 32 145 14326 165 14 -3.6 13.5 | 185 20 1.7 20.1 33 137 14630 180 15 0.0 15.0 | 194 22 5.4 21.5 34 131 14935 160 18 -6.2 16.9 | 178 23 -0.8 23.4 35 118 15545 190 10 1.7 9.8 | 203 18 7.1 16.4 36 106 16154 175 13 -1.1 13.0 | 192 20 4.2 19.5 37 101 16459 140 16 -10.3 12.3 | 165 19 -4.9 18.8 38 100 16530 170 10 -1.7 9.8 | 192 17 3.6 16.4 39 96 16764 140 12 -7.7 9.2 | 171 16 -2.4 15.7 40 91 17069 160 13 -4.4 12.2 | 183 19 0.9 18.7 41 90 17141 130 23 -17.6 14.8 | 150 25 -12.3 21.3 42 86 17374 110 27 -25.4 9.2 | 128 25 -20.0 15.8 43 82 17678 100 22 -21.7 3.8 | 122 19 -16.3 10.4 44 74 18288 135 14 -9.9 9.9 | 165 17 -4.5 16.4 45 70 18590 105 28 -27.0 7.2 | 122 26 -21.7 13.8 46 66 18898 110 28 -26.3 9.6 | 128 26 -21.0 16.1 47 60 19507 95 32 -31.9 2.8 | 109 28 -26.5 9.3 48 57 19812 95 23 -22.9 2.0 | 116 20 -17.6 8.5 49 54 20117 55 21 -17.2 -12.0 | 65 13 -11.8 -5.5 50 51 20422 100 23 -22.7 4.0 | 121 20 -17.3 10.5 51 50 20580 70 32 -30.1 -10.9 | 80 25 -24.7 -4.4 52 49 20726 80 34 -33.5 -5.9 | 91 28 -28.1 0.6 53 46 21031 65 33 -29.9 -13.9 | 73 26 -24.6 -7.4 54 44 21336 80 30 -29.5 -5.2 | 93 24 -24.2 1.3 55 42 21641 75 29 -28.0 -7.5 | 88 23 -22.7 -1.0 56 40 21946 95 26 -25.9 2.3 | 113 22 -20.5 8.8 57 38 22250 85 30 -29.9 -2.6 | 99 25 -24.5 3.9 58 36 22555 100 23 -22.7 4.0 | 121 20 -17.3 10.5 59 35 22860 110 29 -27.3 9.9 | 127 27 -21.9 16.4 60 30 23740 65 41 -37.2 -17.3 | 71 34 -31.8 -10.8 61 28 24079 65 42 -38.1 -17.7 | 71 35 -32.7 -11.2 62 26 24689 75 24 -23.2 -6.2 | 91 18 -17.8 0.3 63 23 25298 90 34 -34.0 0.0 | 103 29 -28.6 6.5 64 20 26213 100 38 -37.4 6.6 | 112 35 -32.1 13.1 65 20 26300 90 37 -37.0 0.0 | 102 32 -31.6 6.5 66 16 27127 85 51 -50.8 -4.4 | 93 45 -45.4 2.1 Wind Parameters Mean winds (0-6000m): 9.4 at 11.3 knts Storm direction: 39.4 at 8.4 knts Shear (0-3000m) pos: 1.6 neg: 1.5 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): -26.4 deg Storm rel helicity (0-3000m) pos: 18.8 neg: -13.6 tot: 5.3 m^2/s^2 ave: 1.8 10^-3 m/s^2 rel: -0.00 Storm rel vorticity (0-3000m) horiz: 5.2 stream: -0.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 207.58 Bulk Shear: 0.86 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 ------------------------------------------------------------------------------- 500 359 13 317 8| 4.7 0.0 4.7| 4.5 -0.0 4.5 8.9 0.37| 5.3 1.9 1000 7 13 327 7| 3.4 0.0 3.4| 9.6 -0.3 9.3 9.3 0.41| 6.2 2.5 1500 11 14 339 7| 3.1 0.0 3.1| 16.7 -0.3 16.4 10.9 0.46| 6.2 2.8 2000 16 14 346 7| 2.4 0.9 3.2| 18.2 -5.0 13.2 6.6 0.23| 6.1 1.4 2500 15 13 342 6| 1.9 1.2 3.0| 18.8 -8.8 10.0 4.0 0.12| 5.6 0.7 3000 14 12 336 6| 1.6 1.5 3.0| 18.8 -13.6 5.3 1.8 -0.00| 5.2 -0.0 4000 12 12 328 6| 1.7 1.1 2.8| 28.0 -14.5 13.5 3.4 0.14| 4.8 0.7 5000 11 11 326 6| 1.6 1.1 2.7| 33.5 -19.6 14.0 2.8 0.12| 4.6 0.6 6000 9 11 322 6| 1.3 1.9 3.2| 34.9 -48.0 -13.2 -2.2 -0.12| 5.0 -0.6 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20260118.12.gif