UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 27 APR 25 Station: SBCT WMO ident: 83840 Latitude: -25.52 Longitude: -49.17 Elevation: 908.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 116 1 925 798 SFC 913 908 14.4 14.4 100 0.0 14.4 260 2 295.1 297.2 291.1 327.8 11.37 3 864 1378 17.6 10.6 64 7.0 13.2 310 7 303.2 304.9 292.0 330.9 9.33 4 850 1518 17.2 9.2 59 8.0 12.3 325 8 304.2 305.8 291.7 330.0 8.62 5 845 1568 17.0 8.0 55 9.0 11.6 320 8 304.5 305.9 291.3 328.5 7.99 6 736 2732 8.6 7.1 90 1.5 7.7 247 11 307.6 309.2 292.7 333.8 8.63 7 714 2983 7.2 4.6 84 2.6 5.7 231 14 308.7 310.1 292.2 331.6 7.47 8 700 3146 7.0 -8.0 33 15.0 0.3 220 16 310.2 310.8 288.6 319.7 2.99 9 685 3323 6.6 -11.4 26 18.0 -0.9 220 17 311.7 312.2 288.5 319.3 2.33 10 674 3456 8.0 -18.0 14 26.0 -1.6 228 16 314.7 315.0 288.5 319.3 1.37 11 654 3704 7.6 -27.4 6 35.0 -3.1 248 12 317.0 317.1 288.5 319.2 0.62 12 639 3894 7.0 -26.0 7 33.0 -3.4 263 6 318.4 318.6 289.0 321.0 0.72 13 563 4915 -1.5 -26.5 13 25.0 -8.7 268 8 320.2 320.3 289.6 322.9 0.78 14 522 5513 -4.3 -30.3 11 26.0 -11.1 251 18 323.8 323.9 290.5 325.9 0.59 15 500 5850 -7.1 -22.1 29 15.0 -11.8 265 28 324.4 324.6 291.4 328.9 1.30 16 494 5944 -7.7 -23.7 26 16.0 -12.5 267 28 324.8 325.0 291.4 328.8 1.14 17 490 6007 -8.3 -18.3 44 10.0 -11.7 268 28 324.8 325.2 292.0 331.1 1.84 18 479 6183 -9.1 -33.1 12 24.0 -14.6 273 30 325.9 326.0 291.0 327.7 0.49 19 475 6247 -9.7 -20.7 40 11.0 -13.2 275 31 326.0 326.3 292.1 331.3 1.55 20 471 6312 -10.1 -27.1 23 17.0 -14.6 277 32 326.3 326.4 291.5 329.4 0.88 21 456 6561 -12.3 -23.3 39 11.0 -15.4 284 33 326.5 326.8 292.0 331.0 1.28 22 449 6678 -13.3 -28.3 27 15.0 -17.0 287 33 326.7 326.9 291.6 329.7 0.83 23 436 6901 -14.9 -22.9 50 8.0 -17.1 292 32 327.5 327.7 292.3 332.3 1.39 24 430 7006 -15.1 -19.8 67 4.7 -16.6 295 31 328.5 328.9 293.0 334.9 1.85 25 409 7383 -16.1 -25.1 46 9.0 -18.5 295 34 331.9 332.2 293.4 336.3 1.22 26 400 7550 -17.7 -25.7 50 8.0 -19.8 295 35 332.0 332.2 293.4 336.2 1.18 27 376 8012 -20.7 -46.7 8 26.0 -24.1 282 36 333.9 334.0 292.9 334.5 0.15 28 369 8151 -20.7 -53.7 3 33.0 -24.4 278 36 335.7 335.8 293.3 336.0 0.07 29 340 8752 -25.9 -48.9 10 23.0 -28.4 260 45 336.6 336.6 293.6 337.1 0.13 30 324 9100 -28.7 -35.7 51 7.0 -29.8 253 60 337.4 337.5 294.2 339.6 0.56 31 316 9280 -28.9 -37.9 42 9.0 -30.2 251 69 339.6 339.7 294.6 341.4 0.46 32 300 9650 -32.1 -36.5 65 4.4 -32.7 255 75 340.1 340.3 294.8 342.3 0.56 33 290 9888 -33.1 -35.9 76 2.8 -33.5 257 72 342.0 342.2 295.4 344.4 0.62 34 287 9961 -33.1 -37.8 63 4.7 -33.7 257 72 343.0 343.1 295.5 345.0 0.51 35 250 10910 -41.5 -44.9 69 3.4 -41.8 265 61 344.4 344.4 295.6 345.5 0.28 36 200 12380 -54.7 -58.8 60 4.1 -54.8 270 72 346.1 346.2 295.8 346.4 0.07 37 192 12640 -56.9 -60.9 60 4.0 -57.0 274 73 346.7 346.7 296.0 346.9 0.05 38 160 13777 -64.4 -72.1 34 7.7 -64.5 265 101 352.5 352.5 297.2 352.6 0.01 39 150 14170 -67.1 -76.1 27 9.0 -67.2 260 98 354.5 354.5 297.6 354.5 0.01 40 139 14624 -69.9 -79.9 22 10.0 -69.9 258 97 357.4 357.4 298.2 357.4 0.00 41 125 15246 -74.7 -80.7 39 6.0 -74.7 255 95 359.7 359.7 298.7 359.7 0.00 42 117 15631 -72.5 -85.5 12 13.0 -72.5 261 76 370.6 370.6 300.7 370.6 0.00 43 100 16540 -77.3 -86.3 22 9.0 -77.3 265 48 378.4 378.4 302.0 378.4 0.00 44 94 16893 -79.5 -87.5 25 8.0 -79.5 260 49 380.8 380.8 302.4 380.8 0.00 45 87 17334 -77.5 -88.5 15 11.0 -77.5 265 45 393.3 393.3 304.3 393.4 0.00 46 83 17607 -72.7 -87.7 9 15.0 -72.8 257 47 408.5 408.5 306.3 408.5 0.00 47 76 18126 -72.1 -88.1 7 16.0 -72.2 274 36 420.1 420.1 307.7 420.1 0.00 48 73 18362 -72.7 -88.7 7 16.0 -72.8 281 26 423.7 423.7 308.2 423.7 0.00 49 70 18610 -70.7 -88.7 5 18.0 -70.8 285 9 433.1 433.1 309.1 433.1 0.00 50 61 19425 -71.9 -89.9 5 18.0 -72.0 297 19 447.8 447.8 310.7 447.9 0.00 51 50 20630 -61.5 -87.5 2 26.0 -62.0 45 10 498.6 498.6 314.8 498.6 0.00 52 42 21713 -59.9 -86.9 2 27.0 -60.6 351 11 528.0 528.0 316.8 528.0 0.00 53 34 23036 -58.5 -86.5 2 28.0 -59.5 309 15 564.6 564.6 318.9 564.6 0.01 54 30 23830 -54.3 -84.3 1 30.0 -56.0 155 11 596.6 596.6 320.5 596.7 0.01 55 25 25005 -50.3 -82.3 1 32.0 -53.2 153 5 640.0 640.0 322.3 640.2 0.02 56 20 26460 -49.3 -82.3 1 33.0 -53.0 55 14 685.3 685.3 324.0 685.4 0.02 57 19 26796 -49.5 -82.5 1 33.0 -53.2 53 15 694.8 694.8 324.3 695.0 0.02 TRP 94 16893 -79.5 -87.5 25 8.0 -79.5 260 49 380.8 380.8 302.4 380.8 0.00 WND 160 13777 -64.4 -72.1 34 7.7 -64.5 265 101 352.5 352.5 297.2 352.6 0.01 Sounding variables and indices 1000-500 mb thick: 5734.00 m Freezing level: 576.41 mb = 4735.19 m = 15535.20 ft Wetbulb zero: 696.00 mb = 3192.94 m = 10475.40 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 40.17 % Est. max temperature: 25.75 C = 78.34 F Sfc-Lift cond lev (LCL): 913.14 mb = 906.75 m = 2974.85 ft T: -9999.00 C 700-500 lapse rate: 5.21 C/km ThetaE index: 14.50 C Layer 714.0- 674.0 mb Conv cond level (CCL): 725.86 mb = 2846.33 m = 9338.23 ft Mean mixing ratio: 9.29 g/kg Conv temperature: 27.02 C = 80.64 F Cap Strength: 6.80 C Lifted Index: 4.36 C Risk: None Lifted Index @300 mb: 8.49 C Lifted Index @700 mb: 2.88 C Showalter Index: 4.13 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 16.30 C K Index: 18.50 Risk: < 20 % chance of thunderstorms Sweat Index: 154.40 Risk: None Energy Index: -0.12 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 43.88 J/kg Max Up Vert Vel: 9.37 m/s Conv Inhibition (B-): 35874.52 J/kg Cap Strength: 6.77 C Lift Cond Lev (LCL): 791.10 mb = 2123.58 m = 6967.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 10 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 ---------------------------------------------------------- 0 913 908 260 2 2.0 0.3 | 124 9 -7.4 5.0 1 850 1518 325 8 4.6 -6.6 | 68 5 -4.7 -1.9 2 790 2134 265 5 5.0 0.4 | 139 7 -4.3 5.0 3 762 2438 265 8 8.0 0.7 | 166 5 -1.4 5.3 4 700 3146 220 16 10.3 12.3 | 183 17 1.0 16.9 5 682 3353 220 17 10.9 13.0 | 185 18 1.6 17.6 6 657 3658 245 13 11.8 5.5 | 194 10 2.5 10.1 7 632 3962 270 3 3.0 -0.0 | 126 8 -6.3 4.6 8 609 4267 240 5 4.3 2.5 | 145 9 -5.0 7.1 9 543 5182 280 10 9.8 -1.7 | 190 3 0.5 2.9 10 523 5486 250 18 16.9 6.2 | 215 13 7.6 10.8 11 500 5850 265 28 27.9 2.4 | 249 20 18.6 7.0 12 484 6096 270 28 28.0 -0.0 | 256 19 18.7 4.6 13 465 6401 280 34 33.5 -5.9 | 273 24 24.2 -1.3 14 429 7010 295 31 28.1 -13.1 | 294 21 18.8 -8.5 15 400 7550 295 35 31.7 -14.8 | 294 25 22.4 -10.2 16 396 7620 295 36 32.6 -15.2 | 294 26 23.3 -10.6 17 364 8230 275 36 35.9 -3.1 | 267 27 26.5 1.5 18 350 8534 270 37 37.0 -0.0 | 261 28 27.7 4.6 19 335 8839 255 49 47.3 12.7 | 246 42 38.0 17.3 20 308 9449 250 77 72.4 26.3 | 244 70 63.0 30.9 21 300 9650 255 75 72.4 19.4 | 249 68 63.1 24.0 22 250 10910 265 61 60.8 5.3 | 259 52 51.4 9.9 23 248 10973 265 61 60.8 5.3 | 259 52 51.4 9.9 24 200 12380 270 72 72.0 -0.0 | 266 63 62.7 4.6 25 196 12497 275 70 69.7 -6.1 | 271 60 60.4 -1.5 26 160 13777 265 101 100.6 8.8 | 262 92 91.3 13.4 27 154 14021 265 101 100.6 8.8 | 262 92 91.3 13.4 28 150 14170 260 98 96.5 17.0 | 256 90 87.2 21.6 29 125 15240 255 95 91.8 24.6 | 250 87 82.4 29.2 30 113 15850 265 65 64.8 5.7 | 260 56 55.4 10.3 31 100 16540 265 48 47.8 4.2 | 257 39 38.5 8.8 32 96 16764 265 49 48.8 4.3 | 257 40 39.5 8.9 33 94 16893 260 49 48.3 8.5 | 251 41 38.9 13.1 34 87 17374 265 45 44.8 3.9 | 256 37 35.5 8.5 35 82 17678 255 47 45.4 12.2 | 245 40 36.1 16.8 36 74 18288 280 32 31.5 -5.6 | 272 22 22.2 -1.0 37 70 18610 285 9 8.7 -2.3 | 165 2 -0.6 2.3 38 67 18898 270 11 11.0 -0.0 | 200 5 1.7 4.6 39 60 19507 300 20 17.3 -10.0 | 304 10 8.0 -5.4 40 57 19812 260 21 20.7 3.6 | 234 14 11.4 8.3 41 54 20117 250 21 19.7 7.2 | 221 16 10.4 11.8 42 52 20422 205 13 5.5 11.8 | 167 17 -3.8 16.4 43 50 20630 45 10 -7.1 -7.1 | 81 17 -16.4 -2.5 44 47 21031 5 13 -1.1 -13.0 | 51 13 -10.5 -8.3 45 45 21336 345 18 4.7 -17.4 | 20 14 -4.7 -12.8 46 41 21946 355 7 0.6 -7.0 | 75 9 -8.7 -2.4 47 39 22250 330 17 8.5 -14.7 | 5 10 -0.8 -10.1 48 37 22555 350 16 2.8 -15.8 | 30 13 -6.5 -11.2 49 35 22860 340 19 6.5 -17.9 | 12 14 -2.8 -13.2 50 33 23165 290 13 12.2 -4.4 | 267 3 2.9 0.2 51 30 23830 155 11 -4.6 10.0 | 136 20 -14.0 14.6 52 29 24079 155 11 -4.6 10.0 | 136 20 -14.0 14.6 53 28 24384 205 2 0.8 1.8 | 127 11 -8.5 6.4 54 22 25908 80 10 -9.8 -1.7 | 99 19 -19.2 2.9 55 20 26460 55 14 -11.5 -8.0 | 81 21 -20.8 -3.4 56 18 26822 50 17 -13.0 -10.9 | 74 23 -22.3 -6.3 57 16 27127 40 19 -12.2 -14.6 | 65 24 -21.5 -9.9 Wind Parameters Mean winds (0-6000m): 266.3 at 13.9 knts Storm direction: 296.3 at 10.4 knts Shear (0-3000m) pos: 2.9 neg: 3.0 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 13.6 deg Storm rel helicity (0-3000m) pos: 25.3 neg: -23.0 tot: 2.3 m^2/s^2 ave: 0.8 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.67 Bulk Shear: 16.41 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 ------------------------------------------------------------------------------- 500 311 4 106 6| 6.1 0.0 6.1| 0.6 -4.1 -3.5 -7.1 -0.45| 6.7 -3.0 1000 311 6 99 5| 3.1 1.6 4.6| 5.0 -6.0 -1.0 -1.0 -0.02| 6.7 -0.1 1500 298 6 114 5| 2.0 2.1 4.1| 10.1 -6.0 4.1 2.8 0.17| 6.1 1.1 2000 278 7 146 4| 1.5 3.5 5.0| 15.4 -6.0 9.4 4.7 0.23| 6.6 1.5 2500 255 9 173 7| 1.2 3.6 4.8| 20.1 -9.6 10.5 4.2 0.19| 6.7 1.3 3000 251 9 176 8| 2.9 3.0 5.9| 25.3 -23.0 2.3 0.8 0.01| 8.2 0.1 4000 252 8 169 7| 2.4 2.5 4.9| 35.7 -25.1 10.6 2.7 0.08| 7.2 0.6 5000 256 10 184 7| 2.4 2.6 5.0| 81.5 -25.3 56.2 11.2 0.22| 8.3 1.8 6000 266 14 219 7| 3.1 2.2 5.3|168.7 -25.3 143.4 23.9 0.33| 8.4 2.8 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250427.12.gif