UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 12 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 1009 4 26.8 22.2 76 4.6 23.5 140 6 299.2 302.3 296.3 348.6 16.93 1 1000 80 25.6 20.6 74 5.0 22.1 105 5 298.8 301.6 295.2 343.7 15.45 2 960 438 22.4 21.5 95 0.9 21.8 164 4 299.0 302.1 296.4 348.8 17.05 3 937 649 21.8 21.0 95 0.8 21.2 271 4 300.5 303.6 296.7 350.2 16.94 4 925 762 24.6 19.8 75 4.8 21.2 315 8 304.5 307.4 297.0 351.9 15.91 5 919 819 25.8 18.8 65 7.0 20.8 315 10 306.3 309.1 296.9 351.4 15.03 6 850 1505 21.4 17.2 77 4.2 18.5 340 11 308.6 311.3 297.3 353.0 14.68 7 795 2081 16.2 14.9 92 1.3 15.3 313 9 309.0 311.5 296.7 350.0 13.53 8 771 2342 15.6 7.6 59 8.0 10.7 297 6 311.0 312.7 293.6 337.3 8.53 9 700 3157 11.2 -4.8 32 16.0 3.2 295 7 314.9 315.6 290.9 327.1 3.82 10 695 3217 11.2 -5.8 30 17.0 2.9 289 9 315.5 316.2 290.9 327.0 3.57 11 621 4147 5.0 -16.0 20 21.0 -3.1 309 13 318.8 319.1 290.2 324.7 1.77 12 600 4427 3.4 -9.6 38 13.0 -2.4 306 14 320.1 320.7 291.7 330.2 3.08 13 524 5511 -4.5 -22.5 23 18.0 -10.1 279 16 323.2 323.4 291.0 327.4 1.20 14 501 5864 -5.7 -31.7 11 26.0 -12.2 246 17 325.9 326.0 291.1 327.9 0.54 15 500 5880 -5.7 -31.7 11 26.0 -12.2 245 17 326.1 326.2 291.2 328.1 0.54 16 452 6656 -12.7 -32.7 17 20.0 -17.1 262 21 326.9 327.0 291.4 328.8 0.54 17 446 6757 -11.7 -40.7 7 29.0 -17.0 264 22 329.4 329.4 291.8 330.3 0.25 18 413 7340 -14.5 -50.5 3 36.0 -19.5 264 21 333.1 333.1 292.6 333.4 0.09 19 400 7580 -16.1 -47.1 5 31.0 -20.6 260 18 334.1 334.1 293.0 334.6 0.14 20 349 8593 -23.7 -51.7 6 28.0 -26.7 240 22 337.1 337.1 293.7 337.5 0.09 21 300 9680 -32.5 -50.5 15 18.0 -34.0 245 31 339.6 339.6 294.3 340.1 0.12 22 269 10435 -39.3 -53.3 21 14.0 -40.2 244 33 340.4 340.5 294.5 340.8 0.10 23 250 10930 -43.9 -53.9 32 10.0 -44.4 240 37 340.8 340.8 294.6 341.2 0.10 24 232 11428 -48.3 -54.3 50 6.0 -48.6 235 45 341.5 341.5 294.8 341.9 0.10 25 227 11571 -49.3 -57.3 39 8.0 -49.6 234 47 342.1 342.1 294.9 342.4 0.07 26 210 12077 -53.5 -57.6 61 4.1 -53.6 228 55 343.2 343.2 295.1 343.5 0.08 27 204 12263 -54.9 -59.4 57 4.5 -55.0 226 58 343.9 343.9 295.3 344.1 0.06 28 200 12390 -55.7 -61.7 47 6.0 -55.8 225 60 344.6 344.6 295.4 344.8 0.05 29 150 14160 -68.9 -73.8 49 4.9 -68.9 225 74 351.4 351.4 297.0 351.4 0.01 30 144 14403 -70.8 -75.6 49 4.8 -70.8 225 77 352.3 352.3 297.1 352.3 0.01 31 138 14654 -72.7 -77.4 49 4.7 -72.7 225 76 353.2 353.2 297.3 353.2 0.01 32 120 15468 -75.3 -83.3 28 8.0 -75.3 241 44 362.8 362.8 299.2 362.8 0.00 33 111 15918 -76.9 -83.9 32 7.0 -76.9 235 36 368.0 368.0 300.2 368.0 0.00 34 101 16462 -75.3 -90.3 8 15.0 -75.3 244 22 381.2 381.2 302.4 381.2 0.00 35 100 16520 -75.3 -90.3 8 15.0 -75.3 235 16 382.2 382.2 302.6 382.2 0.00 36 89 17200 -72.5 -87.5 9 15.0 -72.6 233 14 400.8 400.8 305.3 400.8 0.00 37 70 18600 -75.7 -88.7 11 13.0 -75.7 130 13 422.4 422.4 308.0 422.4 0.00 38 66 18939 -77.1 -90.1 11 13.0 -77.1 133 12 426.6 426.6 308.4 426.6 0.00 39 62 19302 -73.1 -89.1 7 16.0 -73.2 130 12 443.1 443.1 310.2 443.1 0.00 40 50 20570 -70.7 -90.7 4 20.0 -70.8 95 23 476.9 476.9 313.2 476.9 0.00 41 46 21070 -66.5 -90.5 2 24.0 -66.8 90 25 498.5 498.5 314.8 498.5 0.00 42 36 22575 -60.5 -89.5 1 29.0 -61.2 78 25 550.3 550.3 318.1 550.3 0.00 43 33 23115 -61.9 -89.9 1 28.0 -62.6 94 22 560.4 560.4 318.6 560.4 0.00 TRP 111 15918 -76.9 -83.9 32 7.0 -76.9 235 36 368.0 368.0 300.2 368.0 0.00 WND 144 14403 -70.8 -75.6 49 4.8 -70.8 225 77 352.3 352.3 297.1 352.3 0.01 Sounding variables and indices 1000-500 mb thick: 5800.00 m Freezing level: 567.29 mb = 4893.61 m = 16054.97 ft Wetbulb zero: 659.38 mb = 3651.48 m = 11979.77 ft Precipitable water: 1.77 inches Sfc-500 mean rel hum: 49.60 % Est. max temperature: 35.90 C = 96.61 F Sfc-Lift cond lev (LCL): 943.95 mb = 584.94 m = 1919.07 ft T: 21.98 C 700-500 lapse rate: 6.21 C/km ThetaE index: 28.35 C Layer 795.0- 600.0 mb Conv cond level (CCL): 814.98 mb = 1866.99 m = 6125.21 ft Mean mixing ratio: 16.26 g/kg Conv temperature: 36.48 C = 97.66 F Cap Strength: 5.52 C Lifted Index: -2.20 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.34 C Lifted Index @700 mb: 0.98 C Showalter Index: -3.79 C Risk: Severe thunderstorms possible Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 22.90 C K Index: 28.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 265.40 Risk: None Energy Index: -4.78 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1038.98 J/kg Max Up Vert Vel: 45.58 m/s Conv Inhibition (B-): 242.89 J/kg Cap Strength: 5.52 C Lift Cond Lev (LCL): 914.76 mb = 860.09 m = 2821.80 ft Lev Free Conv (LFC): 639.76 mb = 3901.01 m = 12798.42 ft Equ Level (EL): 169.76 mb = 13398.58 m = 43958.08 ft B at Equ Level: 1036.41 J/kg Max Parcel Lev (MPL): 99.76 mb = 16533.98 m = 54244.69 ft Wind level data Storm motion: 322 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 1009 4 140 6 -3.9 4.6 | 141 15 -9.1 11.3 1 1000 80 105 5 -4.8 1.3 | 129 13 -10.1 8.0 2 975 305 95 6 -6.0 0.5 | 123 13 -11.2 7.2 3 941 610 255 2 1.9 0.5 | 155 8 -3.3 7.2 4 925 762 315 8 5.7 -5.7 | 202 1 0.4 1.1 5 909 914 315 13 9.2 -9.2 | 302 5 4.0 -2.5 6 850 1505 340 11 3.8 -10.3 | 22 4 -1.5 -3.6 7 848 1524 340 11 3.8 -10.3 | 22 4 -1.5 -3.6 8 789 2134 310 9 6.9 -5.8 | 241 2 1.7 0.9 9 762 2438 290 5 4.7 -1.7 | 174 5 -0.5 5.0 10 700 3157 295 7 6.3 -3.0 | 196 4 1.1 3.8 11 683 3353 275 13 13.0 -1.1 | 234 10 7.7 5.6 12 610 4267 315 13 9.2 -9.2 | 302 5 4.0 -2.5 13 566 4877 275 17 16.9 -1.5 | 246 13 11.7 5.2 14 545 5182 265 19 18.9 1.7 | 239 16 13.7 8.4 15 525 5486 280 16 15.8 -2.8 | 249 11 10.5 3.9 16 500 5880 245 17 15.4 7.2 | 216 17 10.2 13.9 17 486 6096 250 16 15.0 5.5 | 219 16 9.8 12.2 18 431 7010 270 24 24.0 -0.0 | 250 20 18.8 6.7 19 400 7580 260 18 17.7 3.1 | 232 16 12.5 9.8 20 366 8230 245 20 18.1 8.5 | 220 20 12.9 15.2 21 351 8534 240 22 19.1 11.0 | 218 22 13.8 17.7 22 300 9680 245 31 28.1 13.1 | 229 30 22.9 19.8 23 272 10363 245 32 29.0 13.5 | 230 31 23.8 20.2 24 250 10930 240 37 32.0 18.5 | 227 37 26.8 25.2 25 200 12390 225 60 42.4 42.4 | 217 62 37.2 49.1 26 150 14160 225 74 52.3 52.3 | 219 76 47.1 59.0 27 144 14403 225 77 54.4 54.4 | 219 79 49.2 61.2 28 138 14630 225 77 54.4 54.4 | 219 79 49.2 61.2 29 125 15240 230 50 38.3 32.1 | 220 51 33.1 38.9 30 118 15545 245 42 38.1 17.7 | 233 41 32.8 24.5 31 112 15850 230 42 32.2 27.0 | 219 43 26.9 33.7 32 111 15918 235 36 29.5 20.6 | 222 37 24.3 27.4 33 101 16459 245 22 19.9 9.3 | 223 22 14.7 16.0 34 100 16520 235 16 13.1 9.2 | 206 18 7.9 15.9 35 96 16764 235 16 13.1 9.2 | 206 18 7.9 15.9 36 91 17069 205 17 7.2 15.4 | 185 22 1.9 22.1 37 82 17678 335 2 0.8 -1.8 | 138 7 -4.4 4.9 38 74 18288 105 20 -19.3 5.2 | 116 27 -24.6 11.9 39 70 18593 150 18 -9.0 15.6 | 147 26 -14.2 22.3 40 70 18600 130 13 -10.0 8.4 | 135 21 -15.2 15.1 41 67 18898 130 12 -9.2 7.7 | 135 20 -14.4 14.4 42 63 19202 150 10 -5.0 8.7 | 146 18 -10.2 15.4 43 60 19507 95 17 -16.9 1.5 | 110 24 -22.2 8.2 44 54 20117 80 16 -15.8 -2.8 | 101 21 -21.0 3.9 45 51 20422 115 17 -15.4 7.2 | 124 25 -20.6 13.9 46 50 20570 95 23 -22.9 2.0 | 107 29 -28.1 8.7 47 48 20726 95 23 -22.9 2.0 | 107 29 -28.1 8.7 48 40 21641 75 30 -29.0 -7.8 | 88 34 -34.2 -1.0 49 38 21946 70 27 -25.4 -9.2 | 85 31 -30.6 -2.5 50 31 22860 105 20 -19.3 5.2 | 116 27 -24.6 11.9 51 29 23165 110 27 -25.4 9.2 | 118 35 -30.6 15.9 52 27 23470 95 26 -25.9 2.3 | 106 32 -31.1 9.0 Wind Parameters Mean winds (0-6000m): 292.1 at 11.4 knts Storm direction: 322.1 at 8.5 knts Shear (0-3000m) pos: 3.1 neg: 1.5 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 49.6 deg Storm rel helicity (0-3000m) pos: 39.0 neg: -20.6 tot: 18.4 m^2/s^2 ave: 6.1 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 1.9 10^-3/s Energy-Hel index: 0.24 Bulk Rich Number: 28.73 Bulk Shear: 36.17 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 ------------------------------------------------------------------------------- 500 112 5 131 13| 5.3 0.0 5.3| 25.5 -15.4 10.1 20.2 0.25| 13.8 3.5 1000 350 6 96 4| 9.6 0.0 9.6| 33.1 -16.0 17.1 17.1 0.43| 15.6 6.6 1500 333 8 69 2| 5.8 0.0 5.8| 37.6 -16.0 21.6 14.4 0.50| 12.0 6.0 2000 332 9 49 1| 4.3 1.1 5.5| 37.6 -17.6 19.9 10.0 0.36| 10.2 3.6 2500 326 8 61 1| 3.5 1.8 5.2| 37.6 -20.6 17.0 6.8 0.22| 9.3 2.0 3000 321 8 159 1| 3.1 1.5 4.6| 39.0 -20.6 18.4 6.1 0.24| 8.0 1.9 4000 308 9 236 2| 2.8 1.5 4.3| 54.3 -20.6 33.7 8.4 0.34| 7.7 2.6 5000 303 10 250 3| 2.2 2.2 4.4| 57.0 -39.9 17.1 3.4 0.19| 7.6 1.5 6000 292 11 245 6| 2.0 2.4 4.4| 65.9 -72.6 -6.7 -1.1 0.09| 7.8 0.7 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251212.12.gif