UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 9 DEC 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 1013 4 27.6 20.6 66 7.0 22.6 20 12 299.6 302.4 295.3 344.2 15.25 1 1000 116 26.0 18.0 61 8.0 20.5 5 16 299.1 301.5 293.7 337.3 13.09 2 925 797 19.6 15.0 75 4.6 16.5 350 30 299.4 301.5 292.6 333.4 11.67 3 913 909 18.6 14.3 76 4.3 15.8 350 30 299.4 301.5 292.4 332.5 11.29 4 878 1244 17.8 11.8 68 6.0 14.0 358 29 302.0 303.8 292.1 331.4 9.95 5 857 1452 19.6 -10.4 12 30.0 6.4 3 28 306.0 306.3 286.2 312.4 2.02 6 850 1523 19.2 -9.8 13 29.0 6.3 5 28 306.3 306.7 286.4 313.0 2.13 7 797 2073 17.8 -19.2 7 37.0 3.8 1 22 310.5 310.7 286.7 314.0 1.05 8 700 3164 9.6 -6.4 32 16.0 2.0 345 15 313.1 313.8 289.9 323.9 3.38 9 657 3685 5.4 -8.6 36 14.0 -0.9 325 13 314.1 314.7 289.9 323.9 3.04 10 615 4219 1.6 -18.4 21 20.0 -5.4 325 16 315.7 316.0 288.9 320.6 1.46 11 607 4325 1.0 -9.0 47 10.0 -3.4 325 16 316.2 316.8 290.7 326.6 3.19 12 598 4444 0.6 -27.4 10 28.0 -7.3 326 16 317.1 317.2 288.6 319.5 0.67 13 590 4552 0.0 -29.0 9 29.0 -7.9 327 16 317.6 317.8 288.6 319.7 0.59 14 543 5212 -2.9 -7.8 69 4.9 -5.1 312 13 321.8 322.6 293.0 334.7 3.92 15 500 5860 -6.9 -25.9 20 19.0 -12.2 290 11 324.6 324.8 291.1 327.9 0.93 16 481 6163 -8.3 -35.3 9 27.0 -14.2 309 12 326.5 326.6 291.2 328.0 0.39 17 452 6646 -11.7 -19.7 51 8.0 -14.3 313 13 328.1 328.5 292.9 334.3 1.77 18 446 6749 -11.3 -22.3 40 11.0 -14.7 305 13 329.9 330.2 293.0 334.9 1.43 19 439 6870 -12.3 -21.3 47 9.0 -15.1 289 11 330.1 330.4 293.2 335.7 1.59 20 435 6941 -11.9 -19.9 51 8.0 -14.5 280 11 331.5 331.8 293.8 337.9 1.81 21 400 7580 -17.1 -20.4 75 3.3 -18.1 235 20 332.8 333.1 294.2 339.4 1.89 22 391 7750 -18.7 -20.2 88 1.5 -19.1 233 20 332.8 333.2 294.3 339.8 1.97 23 366 8238 -21.3 -30.3 44 9.0 -23.2 230 14 335.7 335.9 294.0 338.8 0.84 24 346 8649 -23.9 -33.9 39 10.0 -25.8 225 14 337.6 337.8 294.3 340.0 0.63 25 339 8798 -24.7 -32.7 47 8.0 -26.2 218 17 338.5 338.7 294.6 341.3 0.72 26 305 9554 -31.9 -34.5 78 2.6 -32.3 236 27 338.8 338.9 294.7 341.4 0.67 27 300 9670 -32.3 -37.0 63 4.7 -33.0 240 28 339.9 340.0 294.8 341.9 0.53 28 276 10253 -37.3 -39.5 80 2.2 -37.5 239 31 340.8 340.9 294.9 342.6 0.45 29 267 10482 -39.3 -42.6 71 3.3 -39.6 231 33 341.2 341.2 294.9 342.5 0.34 30 250 10930 -42.9 -44.7 82 1.8 -43.0 215 36 342.3 342.3 295.1 343.4 0.29 31 247 11011 -43.3 -48.0 60 4.7 -43.6 214 36 342.9 342.9 295.2 343.7 0.20 32 231 11456 -47.3 -50.3 71 3.0 -47.4 207 37 343.4 343.5 295.3 344.1 0.17 33 227 11571 -47.9 -55.9 39 8.0 -48.2 205 37 344.2 344.2 295.4 344.6 0.09 34 219 11806 -50.1 -55.1 55 5.0 -50.3 201 38 344.4 344.4 295.4 344.8 0.10 35 208 12139 -52.9 -62.9 29 10.0 -53.1 200 40 345.1 345.1 295.6 345.3 0.04 36 200 12390 -55.1 -64.1 32 9.0 -55.3 200 43 345.5 345.5 295.7 345.7 0.03 37 174 13263 -63.3 -67.4 57 4.1 -63.3 202 51 346.0 346.0 295.8 346.1 0.03 38 150 14160 -70.7 -73.9 62 3.2 -70.7 205 59 348.3 348.3 296.3 348.4 0.01 39 143 14441 -72.6 -75.4 66 2.8 -72.6 200 62 349.7 349.8 296.6 349.8 0.01 40 142 14482 -72.9 -75.6 67 2.7 -72.9 200 62 350.0 350.0 296.6 350.0 0.01 41 133 14862 -75.3 -79.7 50 4.4 -75.3 195 51 352.3 352.3 297.1 352.3 0.01 42 130 14994 -74.7 -82.7 28 8.0 -74.7 195 48 355.7 355.7 297.8 355.7 0.00 43 112 15865 -71.5 -84.5 13 13.0 -71.6 187 23 377.2 377.2 301.8 377.2 0.00 44 100 16530 -73.1 -87.1 10 14.0 -73.2 265 9 386.5 386.5 303.3 386.5 0.00 45 90 17141 -77.1 -89.1 13 12.0 -77.1 249 12 390.3 390.3 303.8 390.4 0.00 46 85 17473 -73.7 -88.7 8 15.0 -73.7 244 11 403.7 403.7 305.7 403.7 0.00 47 70 18600 -76.3 -89.3 11 13.0 -76.3 155 5 421.2 421.2 307.9 421.2 0.00 48 64 19115 -76.5 -89.5 11 13.0 -76.6 181 7 431.6 431.6 309.0 431.7 0.00 49 51 20442 -70.3 -90.3 4 20.0 -70.5 116 17 475.1 475.1 313.1 475.1 0.00 50 50 20560 -68.1 -91.1 2 23.0 -68.3 95 23 483.0 483.0 313.7 483.0 0.00 51 45 21201 -63.1 -90.1 1 27.0 -63.6 80 23 509.9 509.9 315.7 509.9 0.00 52 38 22249 -59.9 -88.9 1 29.0 -60.6 71 13 543.3 543.3 317.7 543.4 0.00 53 36 22586 -61.3 -89.3 1 28.0 -62.0 87 20 548.2 548.2 318.0 548.2 0.00 54 30 23730 -56.7 -87.7 1 31.0 -58.0 75 25 590.1 590.1 320.2 590.1 0.01 55 21 26006 -52.5 -85.5 1 33.0 -55.2 107 16 666.1 666.1 323.3 666.2 0.01 56 20 26320 -53.7 -86.7 1 33.0 -56.2 110 15 671.8 671.8 323.5 671.9 0.01 57 17 27364 -53.9 -85.9 1 32.0 -56.7 123 18 703.1 703.1 324.6 703.2 0.01 TRP 133 14862 -75.3 -79.7 50 4.4 -75.3 195 51 352.3 352.3 297.1 352.3 0.01 WND 143 14441 -72.6 -75.4 66 2.8 -72.6 200 62 349.7 349.8 296.6 349.8 0.01 Sounding variables and indices 1000-500 mb thick: 5744.00 m Freezing level: 590.00 mb = 4552.18 m = 14934.78 ft Wetbulb zero: 669.87 mb = 3525.36 m = 11565.99 ft Precipitable water: 1.11 inches Sfc-500 mean rel hum: 36.89 % Est. max temperature: 32.79 C = 91.02 F Sfc-Lift cond lev (LCL): 915.11 mb = 889.45 m = 2918.11 ft T: 18.78 C 700-500 lapse rate: 6.12 C/km ThetaE index: 31.80 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 732.21 mb = 2785.91 m = 9140.01 ft Mean mixing ratio: 12.49 g/kg Conv temperature: 40.22 C = 104.40 F Cap Strength: 6.30 C Lifted Index: 1.69 C Risk: Showers probable Lifted Index @300 mb: 4.36 C Lifted Index @700 mb: 3.31 C Showalter Index: 13.53 C Risk: None Total Totals Index: 23.20 C Risk: None Vertical Totals Index: 26.10 C Cross Totals Index: -2.90 C K Index: 0.30 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 3.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.84 J/kg Max Up Vert Vel: 1.30 m/s Conv Inhibition (B-): 34824.44 J/kg Cap Strength: 6.23 C Lift Cond Lev (LCL): 878.72 mb = 1237.45 m = 4059.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 16 at 14 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 20 12 -4.1 -11.3 | 169 2 -0.4 1.9 1 1000 116 5 16 -1.4 -15.9 | 320 4 2.3 -2.7 2 979 305 355 25 2.2 -24.9 | 333 13 5.9 -11.7 3 945 610 355 24 2.1 -23.9 | 332 12 5.8 -10.7 4 925 797 350 30 5.2 -29.5 | 331 19 8.9 -16.3 5 912 914 350 30 5.2 -29.5 | 331 19 8.9 -16.3 6 850 1523 5 28 -2.4 -27.9 | 355 15 1.3 -14.7 7 791 2134 360 21 -0.0 -21.0 | 334 9 3.7 -7.8 8 763 2438 15 18 -4.7 -17.4 | 13 4 -0.9 -4.2 9 736 2743 355 17 1.5 -16.9 | 306 6 5.2 -3.7 10 710 3048 5 16 -1.4 -15.9 | 320 4 2.3 -2.7 11 700 3164 345 15 3.9 -14.5 | 280 8 7.6 -1.3 12 684 3353 325 12 6.9 -9.8 | 252 11 10.6 3.4 13 610 4267 325 16 9.2 -13.1 | 270 13 12.9 0.1 14 565 4877 330 15 7.5 -13.0 | 269 11 11.2 0.2 15 504 5791 280 10 9.8 -1.7 | 230 18 13.6 11.5 16 500 5860 290 11 10.3 -3.8 | 236 17 14.1 9.4 17 485 6096 305 12 9.8 -6.9 | 245 15 13.5 6.3 18 466 6401 325 12 6.9 -9.8 | 252 11 10.6 3.4 19 448 6706 310 13 10.0 -8.4 | 250 15 13.7 4.9 20 431 7010 270 10 10.0 -0.0 | 226 19 13.7 13.2 21 400 7580 235 20 16.4 11.5 | 219 32 20.1 24.7 22 381 7925 230 21 16.1 13.5 | 217 33 19.8 26.7 23 366 8230 230 14 10.7 9.0 | 213 26 14.4 22.2 24 351 8534 230 12 9.2 7.7 | 212 25 12.9 20.9 25 336 8839 215 18 10.3 14.7 | 207 31 14.0 28.0 26 300 9670 240 28 24.2 14.0 | 226 39 28.0 27.2 27 284 10058 245 30 27.2 12.7 | 230 40 30.9 25.9 28 250 10930 215 36 20.6 29.5 | 210 49 24.4 42.7 29 216 11887 200 38 13.0 35.7 | 199 52 16.7 48.9 30 200 12390 200 43 14.7 40.4 | 199 57 18.4 53.6 31 150 14160 205 59 24.9 53.5 | 203 73 28.7 66.7 32 143 14441 200 62 21.2 58.3 | 199 76 24.9 71.5 33 138 14630 200 62 21.2 58.3 | 199 76 24.9 71.5 34 133 14862 195 51 13.2 49.3 | 195 65 16.9 62.5 35 118 15545 195 36 9.3 34.8 | 195 50 13.0 48.0 36 107 16154 180 12 0.0 12.0 | 188 25 3.7 25.2 37 100 16530 265 9 9.0 0.8 | 222 19 12.7 14.0 38 96 16764 230 12 9.2 7.7 | 212 25 12.9 20.9 39 86 17374 260 12 11.8 2.1 | 225 22 15.5 15.3 40 82 17678 210 10 5.0 8.7 | 202 24 8.7 21.9 41 70 18600 155 5 -2.1 4.5 | 185 18 1.6 17.7 42 67 18898 220 10 6.4 7.7 | 206 23 10.1 20.9 43 60 19507 115 3 -2.7 1.3 | 184 15 1.0 14.5 44 57 19812 155 15 -6.3 13.6 | 174 27 -2.6 26.8 45 54 20117 95 14 -13.9 1.2 | 145 18 -10.2 14.4 46 51 20422 120 16 -13.9 8.0 | 154 24 -10.1 21.2 47 50 20560 95 23 -22.9 2.0 | 128 24 -19.2 15.2 48 46 21031 85 24 -23.9 -2.1 | 119 23 -20.2 11.1 49 40 21946 60 19 -16.5 -9.5 | 106 13 -12.7 3.7 50 38 22250 70 13 -12.2 -4.4 | 136 12 -8.5 8.8 51 36 22555 90 19 -19.0 0.0 | 131 20 -15.3 13.2 52 33 23165 45 29 -20.5 -20.5 | 67 18 -16.8 -7.3 53 30 23730 75 25 -24.1 -6.5 | 108 22 -20.4 6.7 54 30 23774 85 27 -26.9 -2.4 | 115 26 -23.2 10.9 55 28 24079 75 25 -24.1 -6.5 | 108 22 -20.4 6.7 56 27 24384 95 25 -24.9 2.2 | 126 26 -21.2 15.4 57 25 24994 115 21 -19.0 8.9 | 145 27 -15.3 22.1 58 23 25298 95 17 -16.9 1.5 | 138 20 -13.2 14.7 59 22 25603 120 16 -13.9 8.0 | 154 24 -10.1 21.2 60 21 25908 95 16 -15.9 1.4 | 140 19 -12.2 14.6 61 20 26213 130 16 -12.3 10.3 | 160 25 -8.5 23.5 62 20 26320 110 15 -14.1 5.1 | 150 21 -10.4 18.3 63 19 26518 95 18 -17.9 1.6 | 136 21 -14.2 14.8 64 17 26822 125 18 -14.7 10.3 | 155 26 -11.0 23.5 65 16 27127 120 19 -16.5 9.5 | 151 26 -12.7 22.7 66 15 27432 85 13 -13.0 -1.1 | 143 15 -9.2 12.1 67 14 27737 110 16 -15.0 5.5 | 149 22 -11.3 18.7 Wind Parameters Mean winds (0-6000m): 345.7 at 18.3 knts Storm direction: 15.7 at 13.7 knts Shear (0-3000m) pos: 1.9 neg: 2.9 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 148.2 deg Storm rel helicity (0-3000m) pos: 38.3 neg: -19.2 tot: 19.0 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 3.41 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 21 331 9| 0.0 14.8 14.8| 2.4 -0.8 1.6 3.1 0.44| 17.9 7.8 1000 355 24 332 12| 0.0 10.2 10.2| 7.6 -2.0 5.6 5.6 0.33| 13.1 4.3 1500 356 26 336 14| 2.2 6.8 9.0| 31.8 -2.0 29.8 19.9 0.44| 10.9 4.8 2000 358 26 339 13| 1.6 4.1 5.8| 31.8 -11.1 20.7 10.3 0.30| 9.7 2.9 2500 359 24 340 12| 2.3 3.3 5.6| 37.3 -14.0 23.3 9.3 0.28| 9.3 2.6 3000 359 23 339 11| 1.9 2.9 4.8| 38.3 -19.2 19.0 6.3 0.18| 8.9 1.6 4000 355 21 324 9| 1.4 3.0 4.4| 45.7 -34.2 11.5 2.9 0.06| 8.3 0.5 5000 350 20 311 9| 1.1 2.3 3.4| 48.9 -39.2 9.7 1.9 0.05| 7.1 0.4 6000 346 18 299 9| 0.9 2.0 2.9| 62.5 -72.4 -9.8 -1.6 -0.02| 7.1 -0.1 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251209.12.gif