UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 16 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 126 1 925 803 SFC 914 908 17.8 15.1 84 2.7 16.0 30 2 298.5 300.7 292.6 333.1 11.89 3 854 1482 12.8 12.8 100 0.0 12.8 292 9 299.2 301.1 292.0 331.1 10.94 4 850 1521 13.4 11.0 85 2.4 11.9 285 9 300.2 302.0 291.4 328.8 9.74 5 843 1591 14.8 9.8 72 5.0 11.7 298 10 302.4 304.0 291.5 329.3 9.06 6 802 2013 14.2 6.2 59 8.0 9.5 315 10 306.1 307.5 291.3 328.6 7.43 7 787 2172 13.4 6.4 63 7.0 9.3 319 10 306.9 308.3 291.7 330.2 7.68 8 700 3148 6.6 0.6 65 6.0 3.4 285 7 309.8 310.9 291.0 327.5 5.72 9 634 3951 -0.3 -0.5 99 0.2 -0.4 285 10 310.8 311.9 291.4 328.9 5.83 10 627 4040 2.0 -14.0 29 16.0 -4.2 276 11 314.4 314.8 289.1 321.2 2.06 11 622 4105 2.2 -13.8 29 16.0 -4.1 266 12 315.4 315.8 289.5 322.4 2.12 12 500 5830 -9.7 -44.7 4 35.0 -15.4 250 20 321.2 321.2 289.3 321.8 0.14 13 458 6499 -15.7 -46.7 5 31.0 -19.9 254 21 321.9 321.9 289.5 322.4 0.13 14 439 6818 -17.3 -53.3 3 36.0 -21.4 258 20 323.8 323.8 290.0 324.0 0.06 15 400 7510 -21.1 -52.1 4 31.0 -24.4 265 37 327.6 327.6 291.1 327.9 0.08 16 389 7715 -22.5 -45.5 10 23.0 -25.4 265 46 328.4 328.4 291.5 329.0 0.17 17 368 8120 -25.3 -28.4 75 3.1 -25.9 271 58 329.9 330.1 292.7 333.5 1.00 18 361 8259 -25.9 -30.1 68 4.2 -26.7 275 59 330.9 331.1 292.8 334.1 0.87 19 340 8690 -29.5 -32.4 76 2.9 -30.0 277 61 331.7 331.9 292.9 334.4 0.74 20 334 8816 -30.7 -34.8 67 4.1 -31.3 278 62 331.8 331.9 292.8 334.0 0.60 21 328 8945 -31.5 -42.5 33 11.0 -32.7 279 62 332.4 332.4 292.6 333.5 0.28 22 323 9053 -32.7 -41.7 40 9.0 -33.7 279 63 332.2 332.3 292.6 333.4 0.30 23 320 9119 -32.9 -36.7 69 3.8 -33.4 280 63 332.8 332.9 293.0 334.7 0.51 24 300 9570 -35.7 -38.6 75 2.9 -36.0 270 63 335.1 335.1 293.5 336.8 0.45 25 289 9829 -37.5 -39.6 81 2.1 -37.7 273 66 336.1 336.2 293.7 337.7 0.42 26 285 9925 -37.9 -42.5 62 4.6 -38.4 274 67 336.9 336.9 293.9 338.1 0.32 27 276 10145 -39.7 -42.2 77 2.5 -39.9 277 70 337.4 337.4 294.0 338.7 0.34 28 274 10195 -39.1 -81.1 0 42.0 -40.2 278 71 338.9 338.9 294.0 338.9 0.00 29 250 10820 -42.1 -70.1 3 28.0 -43.0 275 96 343.5 343.5 295.1 343.5 0.01 30 239 11122 -43.9 -67.9 5 24.0 -44.6 275 101 345.2 345.2 295.6 345.3 0.02 31 229 11407 -46.1 -68.9 6 22.8 -46.7 275 105 346.1 346.1 295.8 346.2 0.02 32 200 12290 -53.1 -72.1 8 19.0 -53.4 275 102 348.7 348.7 296.4 348.7 0.01 33 172 13246 -60.7 -74.7 14 14.0 -60.9 275 102 351.5 351.5 297.0 351.5 0.01 34 150 14090 -65.1 -80.1 11 15.0 -65.2 275 79 357.9 357.9 298.3 358.0 0.00 35 118 15528 -71.3 -84.3 13 13.0 -71.3 260 72 371.9 371.9 300.9 371.9 0.00 36 108 16049 -73.1 -86.1 12 13.0 -73.2 280 64 378.1 378.1 301.9 378.1 0.00 37 101 16442 -72.7 -87.7 9 15.0 -72.8 263 61 386.2 386.2 303.2 386.2 0.00 38 100 16500 -73.3 -88.3 8 15.0 -73.3 260 61 386.1 386.1 303.2 386.1 0.00 39 82 17661 -74.5 -88.5 10 14.0 -74.6 265 28 406.2 406.2 306.0 406.2 0.00 40 70 18590 -71.9 -89.9 5 18.0 -72.0 295 33 430.6 430.6 308.9 430.6 0.00 41 69 18675 -71.9 -89.9 5 18.0 -72.0 281 33 432.3 432.3 309.1 432.3 0.00 42 63 19221 -66.7 -89.7 3 23.0 -66.9 268 28 455.2 455.2 311.3 455.2 0.00 43 58 19721 -67.9 -89.9 3 22.0 -68.1 305 9 463.4 463.4 312.1 463.4 0.00 44 51 20508 -62.5 -88.5 2 26.0 -62.9 343 11 493.4 493.4 314.5 493.4 0.00 45 50 20630 -62.9 -87.9 2 25.0 -63.3 355 9 495.3 495.3 314.6 495.3 0.00 46 39 22165 -61.3 -88.3 2 27.0 -61.9 309 12 535.8 535.8 317.3 535.8 0.00 47 35 22841 -58.3 -86.3 2 28.0 -59.3 30 12 560.4 560.4 318.6 560.5 0.01 48 34 23023 -58.9 -86.9 2 28.0 -59.8 47 12 563.5 563.5 318.8 563.6 0.01 49 32 23408 -54.5 -85.5 1 31.0 -56.1 82 11 585.2 585.2 319.9 585.2 0.01 50 30 23820 -55.3 -85.3 1 30.0 -56.8 85 20 593.9 593.9 320.3 593.9 0.01 51 28 24262 -54.1 -84.1 1 30.0 -55.9 101 21 609.1 609.1 321.0 609.1 0.01 52 27 24495 -55.5 -84.5 2 29.0 -57.1 103 19 611.5 611.5 321.1 611.6 0.01 53 20 26450 -46.7 -80.7 1 34.0 -51.2 70 19 693.2 693.2 324.2 693.5 0.03 54 19 26790 -46.7 -80.7 1 34.0 -51.4 69 19 703.5 703.5 324.6 703.7 0.03 55 14 28818 -46.3 -81.3 1 35.0 -52.1 70 16 769.0 769.1 326.4 769.4 0.04 TRP 108 16049 -73.1 -86.1 12 13.0 -73.2 280 64 378.1 378.1 301.9 378.1 0.00 WND 229 11407 -46.1 -68.9 6 22.8 -46.7 275 105 346.1 346.1 295.8 346.2 0.02 Sounding variables and indices 1000-500 mb thick: 5704.00 m Freezing level: 636.87 mb = 3915.89 m = 12847.26 ft Freezing level: 633.09 mb = 3962.44 m = 12999.96 ft Freezing level: 599.45 mb = 4423.66 m = 14513.14 ft Wetbulb zero: 640.77 mb = 3864.75 m = 12679.48 ft Precipitable water: 0.98 inches Sfc-500 mean rel hum: 52.96 % Est. max temperature: 26.66 C = 79.99 F Sfc-Lift cond lev (LCL): 878.18 mb = 1245.76 m = 4087.10 ft T: 14.86 C 700-500 lapse rate: 6.08 C/km ThetaE index: 4.32 C Layer 854.0- 843.0 mb Conv cond level (CCL): 739.59 mb = 2689.77 m = 8824.61 ft Mean mixing ratio: 10.34 g/kg Conv temperature: 27.46 C = 81.42 F Cap Strength: 3.93 C Lifted Index: 1.12 C Risk: Showers probable Lifted Index @300 mb: 4.01 C Lifted Index @700 mb: 1.95 C Showalter Index: 2.12 C Risk: Showers probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 20.70 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 170.00 Risk: None Energy Index: -1.25 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.62 J/kg Max Up Vert Vel: 8.56 m/s Conv Inhibition (B-): 186.16 J/kg Cap Strength: 3.94 C Lift Cond Lev (LCL): 827.20 mb = 1751.01 m = 5744.71 ft Lev Free Conv (LFC): 642.20 mb = 3846.56 m = 12619.81 ft Equ Level (EL): 632.20 mb = 3973.60 m = 13036.57 ft B at Equ Level: 30.58 J/kg Max Parcel Lev (MPL): 602.20 mb = 4360.27 m = 14305.19 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 ---------------------------------------------------------- 0 914 908 30 2 -1.0 -1.7 | 104 10 -10.0 2.6 1 850 1521 285 9 8.7 -2.3 | 171 2 -0.3 2.0 2 850 1524 295 10 9.1 -4.2 | 222 0 0.1 0.1 3 790 2134 320 10 6.4 -7.7 | 37 4 -2.6 -3.4 4 762 2438 310 8 6.1 -5.1 | 74 3 -2.9 -0.8 5 700 3148 285 7 6.8 -1.8 | 138 3 -2.2 2.5 6 632 3962 285 10 9.7 -2.6 | 201 2 0.7 1.7 7 608 4267 240 14 12.1 7.0 | 195 12 3.1 11.3 8 564 4877 265 16 15.9 1.4 | 231 9 6.9 5.7 9 522 5486 245 23 20.8 9.7 | 220 18 11.9 14.0 10 500 5830 250 20 18.8 6.8 | 221 15 9.8 11.1 11 483 6096 250 21 19.7 7.2 | 223 16 10.7 11.5 12 427 7010 260 20 19.7 3.5 | 234 13 10.7 7.8 13 400 7510 265 37 36.9 3.2 | 255 29 27.9 7.5 14 377 7925 265 56 55.8 4.9 | 259 48 46.8 9.2 15 362 8230 275 59 58.8 -5.1 | 271 50 49.8 -0.8 16 318 9144 280 63 62.0 -10.9 | 277 53 53.1 -6.6 17 300 9570 270 63 63.0 -0.0 | 265 54 54.0 4.3 18 267 10363 280 73 71.9 -12.7 | 278 63 62.9 -8.4 19 250 10820 275 96 95.6 -8.4 | 273 87 86.6 -4.1 20 229 11407 275 105 104.6 -9.2 | 273 96 95.6 -4.8 21 223 11582 275 105 104.6 -9.2 | 273 96 95.6 -4.8 22 200 12290 275 102 101.6 -8.9 | 273 93 92.6 -4.6 23 159 13716 275 102 101.6 -8.9 | 273 93 92.6 -4.6 24 150 14090 275 79 78.7 -6.9 | 272 70 69.7 -2.6 25 144 14326 275 77 76.7 -6.7 | 272 68 67.7 -2.4 26 118 15545 260 72 70.9 12.5 | 255 64 61.9 16.8 27 108 16049 280 64 63.0 -11.1 | 277 54 54.0 -6.8 28 106 16154 280 61 60.1 -10.6 | 277 51 51.1 -6.3 29 100 16500 260 61 60.1 10.6 | 254 53 51.1 14.9 30 96 16764 260 61 60.1 10.6 | 254 53 51.1 14.9 31 91 17069 250 50 47.0 17.1 | 241 44 38.0 21.4 32 82 17678 265 27 26.9 2.4 | 250 19 17.9 6.7 33 78 17983 280 39 38.4 -6.8 | 275 30 29.4 -2.5 34 70 18590 295 33 29.9 -13.9 | 295 23 20.9 -9.6 35 70 18593 275 34 33.9 -3.0 | 267 25 24.9 1.3 36 67 18898 295 32 29.0 -13.5 | 295 22 20.0 -9.2 37 63 19202 265 30 29.9 2.6 | 252 22 20.9 6.9 38 60 19507 305 4 3.3 -2.3 | 109 6 -5.7 2.0 39 54 20117 305 18 14.7 -10.3 | 316 8 5.8 -6.0 40 52 20422 335 12 5.1 -10.9 | 31 8 -3.9 -6.6 41 50 20630 355 9 0.8 -9.0 | 60 9 -8.2 -4.7 42 49 20726 270 2 2.0 -0.0 | 122 8 -7.0 4.3 43 47 21031 350 11 1.9 -10.8 | 47 10 -7.1 -6.5 44 43 21641 265 15 14.9 1.3 | 227 8 6.0 5.6 45 41 21946 255 12 11.6 3.1 | 199 8 2.6 7.4 46 37 22555 35 11 -6.3 -9.0 | 73 16 -15.3 -4.7 47 35 22860 30 12 -6.0 -10.4 | 68 16 -15.0 -6.1 48 30 23774 115 11 -10.0 4.6 | 115 21 -19.0 9.0 49 30 23820 85 20 -19.9 -1.7 | 95 29 -28.9 2.6 50 28 24384 105 21 -20.3 5.4 | 108 31 -29.3 9.7 51 26 24689 100 17 -16.7 3.0 | 106 27 -25.7 7.3 52 25 24994 110 13 -12.2 4.4 | 112 23 -21.2 8.8 53 24 25298 85 16 -15.9 -1.4 | 97 25 -24.9 2.9 54 23 25603 95 18 -17.9 1.6 | 102 28 -26.9 5.9 55 22 25908 50 22 -16.9 -14.1 | 69 28 -25.8 -9.8 56 21 26213 60 24 -20.8 -12.0 | 76 31 -29.8 -7.7 57 20 26450 70 19 -17.9 -6.5 | 85 27 -26.8 -2.2 58 16 27127 65 18 -16.3 -7.6 | 83 26 -25.3 -3.3 59 15 27432 65 17 -15.4 -7.2 | 83 25 -24.4 -2.9 60 12 28042 80 13 -12.8 -2.3 | 95 22 -21.8 2.0 61 11 28346 70 17 -16.0 -5.8 | 87 25 -25.0 -1.5 62 10 28651 110 17 -16.0 5.8 | 112 27 -25.0 10.1 63 9 28956 95 19 -18.9 1.7 | 102 29 -27.9 6.0 Wind Parameters Mean winds (0-6000m): 265.6 at 13.3 knts Storm direction: 295.6 at 10.0 knts Shear (0-3000m) pos: 0.2 neg: 1.8 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 90.6 deg Storm rel helicity (0-3000m) pos: 7.4 neg: -8.6 tot: -1.2 m^2/s^2 ave: -0.4 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.94 Bulk Shear: 12.45 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 ------------------------------------------------------------------------------- 500 300 5 111 5| 0.0 8.0 8.0| 0.5 -8.4 -7.9 -15.8 -0.33| 9.6 -3.1 1000 301 7 102 3| 1.3 4.0 5.3| 1.8 -8.6 -6.8 -6.8 -0.16| 9.0 -1.4 1500 307 8 79 3| 0.4 2.7 3.0| 3.7 -8.6 -4.8 -3.2 -0.03| 7.2 -0.2 2000 306 8 82 3| 0.3 2.0 2.3| 5.4 -8.6 -3.2 -1.6 0.08| 6.1 0.5 2500 302 8 93 2| 0.2 1.8 2.0| 6.5 -8.6 -2.1 -0.8 0.13| 5.2 0.7 3000 299 8 103 2| 0.2 1.8 2.0| 7.4 -8.6 -1.2 -0.4 0.18| 4.7 0.8 4000 283 9 187 2| 0.8 2.2 2.9| 23.6 -12.0 11.6 2.9 0.22| 5.6 1.3 5000 271 12 213 5| 0.7 2.5 3.2| 25.5 -21.8 3.7 0.7 0.14| 5.8 0.8 6000 266 13 219 7| 0.9 2.1 2.9| 36.3 -21.8 14.5 2.4 0.17| 5.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250416.12.gif