UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 21 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 145 1 925 817 SFC 915 908 15.0 14.0 94 1.0 14.4 100 7 295.6 297.6 291.0 327.4 11.05 3 902 1029 13.6 13.6 100 0.0 13.6 91 7 295.3 297.3 290.7 326.7 10.92 4 850 1530 11.2 10.6 96 0.6 10.9 55 6 297.9 299.6 290.4 325.5 9.48 5 826 1769 10.2 9.3 94 0.9 9.7 316 9 299.3 300.9 290.4 325.5 8.94 6 814 1891 11.4 9.0 85 2.4 9.9 287 12 301.8 303.4 291.2 328.1 8.89 7 768 2376 9.2 7.4 88 1.8 8.1 255 20 304.5 306.1 291.7 329.8 8.44 8 729 2807 8.0 -10.0 27 18.0 0.4 233 17 307.7 308.2 287.3 315.5 2.45 9 700 3141 5.4 -13.6 24 19.0 -1.9 245 10 308.5 308.8 286.9 314.6 1.91 10 682 3353 4.0 -8.0 41 12.0 -1.2 250 12 309.2 309.8 288.4 318.9 3.07 11 667 3534 4.4 -19.6 16 24.0 -3.8 250 18 311.6 311.9 287.3 315.7 1.21 12 646 3794 3.6 -15.4 23 19.0 -3.6 253 22 313.6 313.9 288.6 319.5 1.78 13 606 4308 -1.1 -7.1 64 6.0 -3.8 265 20 314.0 314.7 290.5 325.8 3.70 14 578 4683 -3.7 -13.7 46 10.0 -7.5 262 19 315.2 315.6 289.6 322.7 2.30 15 569 4807 -3.7 -25.7 16 22.0 -9.8 261 19 316.6 316.8 288.6 319.5 0.83 16 560 4933 -2.9 -21.9 22 19.0 -8.9 259 21 319.0 319.2 289.7 323.1 1.18 17 500 5820 -9.1 -17.1 52 8.0 -11.9 255 41 321.9 322.3 291.3 328.7 2.00 18 486 6040 -10.1 -16.1 61 6.0 -12.2 259 46 323.3 323.8 292.0 330.9 2.24 19 468 6331 -11.3 -18.3 56 7.0 -13.6 260 55 325.4 325.7 292.3 332.0 1.93 20 426 7048 -16.5 -27.5 38 11.0 -19.1 265 56 327.6 327.8 292.0 331.0 0.94 21 400 7520 -19.9 -25.9 59 6.0 -21.4 260 64 329.1 329.4 292.6 333.3 1.16 22 382 7860 -22.3 -25.0 79 2.7 -22.9 260 67 330.3 330.6 293.0 335.0 1.32 23 324 9048 -31.9 -32.1 98 0.2 -31.9 260 83 333.0 333.2 293.3 336.0 0.80 24 321 9114 -32.3 -32.7 96 0.4 -32.4 260 84 333.3 333.5 293.3 336.2 0.76 25 304 9497 -33.3 -39.3 55 6.0 -34.0 260 91 337.2 337.2 294.0 338.8 0.42 26 300 9590 -34.1 -39.1 61 5.0 -34.7 260 92 337.3 337.4 294.1 339.0 0.43 27 289 9849 -36.1 -42.1 54 6.0 -36.7 258 97 338.1 338.2 294.1 339.4 0.33 28 282 10018 -37.1 -44.1 48 7.0 -37.8 256 100 339.0 339.1 294.3 340.1 0.27 29 277 10141 -37.1 -47.1 35 10.0 -37.9 255 102 340.8 340.8 294.7 341.6 0.20 30 272 10266 -37.1 -45.1 43 8.0 -37.8 254 104 342.5 342.6 295.1 343.6 0.25 31 250 10840 -41.9 -46.9 58 5.0 -42.3 255 115 343.8 343.8 295.4 344.7 0.22 32 207 12089 -52.9 -54.5 83 1.6 -52.9 250 117 345.6 345.6 295.7 346.1 0.11 33 204 12183 -53.9 -55.8 80 1.9 -53.9 250 117 345.5 345.5 295.7 345.9 0.10 34 202 12246 -54.3 -57.4 69 3.1 -54.4 252 116 345.8 345.8 295.8 346.1 0.08 35 200 12310 -54.5 -61.5 42 7.0 -54.6 255 114 346.5 346.5 295.9 346.7 0.05 36 188 12702 -57.7 -61.5 62 3.8 -57.8 253 116 347.5 347.5 296.1 347.7 0.05 37 181 12940 -58.9 -68.9 26 10.0 -59.0 252 118 349.3 349.3 296.5 349.4 0.02 38 168 13402 -62.5 -70.4 34 7.9 -62.6 250 121 350.9 350.9 296.8 351.0 0.02 39 152 14011 -67.3 -72.3 49 5.0 -67.4 250 117 352.8 352.8 297.3 352.9 0.01 40 150 14090 -68.3 -73.3 49 5.0 -68.4 250 116 352.4 352.4 297.2 352.5 0.01 41 137 14632 -71.5 -80.5 25 9.0 -71.5 255 110 356.0 356.0 297.9 356.1 0.00 42 132 14854 -69.5 -84.5 10 15.0 -69.6 257 108 363.4 363.4 299.4 363.4 0.00 43 115 15667 -75.7 -87.7 14 12.0 -75.7 265 99 366.5 366.5 299.9 366.5 0.00 44 106 16139 -76.3 -89.3 11 13.0 -76.3 275 90 374.0 374.0 301.2 374.0 0.00 45 101 16421 -72.7 -88.7 7 16.0 -72.8 267 77 386.2 386.2 303.2 386.2 0.00 46 100 16480 -72.5 -88.5 7 16.0 -72.6 265 75 387.6 387.6 303.5 387.7 0.00 47 91 17033 -71.3 -88.3 6 17.0 -71.3 261 58 400.6 400.6 305.3 400.6 0.00 48 79 17859 -74.7 -88.7 10 14.0 -74.7 265 35 410.1 410.1 306.5 410.1 0.00 49 70 18570 -68.9 -88.9 4 20.0 -69.0 260 30 437.0 437.0 309.6 437.0 0.00 50 59 19601 -63.1 -88.1 2 25.0 -63.4 230 15 471.9 471.9 312.8 471.9 0.00 51 54 20140 -65.1 -88.1 3 23.0 -65.4 222 7 479.4 479.4 313.4 479.4 0.00 52 50 20610 -62.3 -88.3 2 26.0 -62.7 310 5 496.7 496.7 314.7 496.7 0.00 53 43 21547 -59.9 -86.9 2 27.0 -60.6 336 4 524.5 524.5 316.6 524.5 0.00 54 41 21843 -61.1 -87.1 2 26.0 -61.7 354 8 528.7 528.7 316.8 528.7 0.00 55 37 22489 -56.1 -85.1 1 29.0 -57.3 350 18 557.3 557.3 318.5 557.3 0.01 TRP 115 15667 -75.7 -87.7 14 12.0 -75.7 265 99 366.5 366.5 299.9 366.5 0.00 WND 168 13402 -62.5 -70.4 34 7.9 -62.6 250 121 350.9 350.9 296.8 351.0 0.02 Sounding variables and indices 1000-500 mb thick: 5675.00 m Freezing level: 615.36 mb = 4187.32 m = 13737.77 ft Wetbulb zero: 724.29 mb = 2860.55 m = 9384.88 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 54.22 % Est. max temperature: 23.94 C = 75.09 F Sfc-Lift cond lev (LCL): 901.61 mb = 1033.06 m = 3389.27 ft T: 13.58 C 700-500 lapse rate: 5.41 C/km ThetaE index: 15.19 C Layer 729.0- 682.0 mb Conv cond level (CCL): 851.42 mb = 1515.91 m = 4973.40 ft Mean mixing ratio: 9.90 g/kg Conv temperature: 17.19 C = 62.94 F Cap Strength: 4.52 C Lifted Index: 4.01 C Risk: None Lifted Index @300 mb: 8.65 C Lifted Index @700 mb: 2.51 C Showalter Index: 4.36 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 19.70 C K Index: 11.90 Risk: None Sweat Index: 180.20 Risk: None Energy Index: 0.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.66 J/kg Max Up Vert Vel: 6.58 m/s Conv Inhibition (B-): 17939.09 J/kg Cap Strength: 4.49 C Lift Cond Lev (LCL): 856.64 mb = 1464.40 m = 4804.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 287 at 19 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 ---------------------------------------------------------- 0 915 908 100 7 -6.9 1.2 | 105 26 -25.1 6.9 1 850 1530 55 6 -4.9 -3.4 | 96 23 -23.1 2.3 2 820 1829 290 10 9.4 -3.4 | 105 9 -8.8 2.3 3 790 2134 275 18 17.9 -1.6 | 176 4 -0.3 4.1 4 762 2438 250 20 18.8 6.8 | 183 13 0.6 12.5 5 734 2743 235 19 15.6 10.9 | 171 17 -2.7 16.6 6 708 3048 225 10 7.1 7.1 | 139 17 -11.1 12.8 7 700 3141 245 10 9.1 4.2 | 137 14 -9.2 9.9 8 682 3353 250 12 11.3 4.1 | 145 12 -6.9 9.8 9 656 3658 250 23 21.6 7.9 | 194 14 3.4 13.6 10 608 4267 265 20 19.9 1.7 | 193 8 1.7 7.4 11 563 4877 260 19 18.7 3.3 | 183 9 0.5 9.0 12 542 5182 250 35 32.9 12.0 | 220 23 14.7 17.7 13 500 5820 255 41 39.6 10.6 | 233 27 21.4 16.3 14 482 6096 260 48 47.3 8.3 | 244 32 29.1 14.0 15 463 6401 260 58 57.1 10.1 | 248 42 38.9 15.8 16 428 7010 265 55 54.8 4.8 | 254 38 36.6 10.5 17 400 7520 260 64 63.0 11.1 | 249 48 44.8 16.8 18 362 8230 260 71 69.9 12.3 | 251 55 51.7 18.0 19 300 9590 260 92 90.6 16.0 | 253 76 72.4 21.7 20 256 10668 250 112 105.2 38.3 | 243 98 87.0 44.0 21 250 10840 255 115 111.1 29.8 | 249 99 92.9 35.5 22 204 12192 250 117 109.9 40.0 | 244 102 91.7 45.7 23 200 12310 255 114 110.1 29.5 | 249 98 91.9 35.2 24 168 13402 250 121 113.7 41.4 | 244 106 95.5 47.1 25 160 13716 250 121 113.7 41.4 | 244 106 95.5 47.1 26 150 14090 250 116 109.0 39.7 | 243 101 90.8 45.4 27 115 15667 265 99 98.6 8.6 | 260 82 80.4 14.3 28 111 15850 265 103 102.6 9.0 | 260 86 84.4 14.7 29 106 16154 275 89 88.7 -7.8 | 272 70 70.4 -2.1 30 100 16480 265 75 74.7 6.5 | 258 58 56.5 12.2 31 95 16764 265 75 74.7 6.5 | 258 58 56.5 12.2 32 86 17374 255 37 35.7 9.6 | 229 23 17.5 15.3 33 82 17678 250 37 34.8 12.7 | 222 25 16.5 18.4 34 77 17983 275 34 33.9 -3.0 | 260 16 15.7 2.7 35 70 18570 260 30 29.5 5.2 | 226 16 11.3 10.9 36 70 18593 260 44 43.3 7.6 | 242 28 25.1 13.3 37 63 19202 265 24 23.9 2.1 | 216 10 5.7 7.8 38 60 19507 245 17 15.4 7.2 | 168 13 -2.8 12.9 39 57 19812 200 12 4.1 11.3 | 140 22 -14.1 17.0 40 54 20117 210 6 3.0 5.2 | 126 19 -15.2 10.9 41 52 20422 350 14 2.4 -13.8 | 63 18 -15.8 -8.1 42 50 20610 310 5 3.8 -3.2 | 100 15 -14.4 2.5 43 49 20726 285 10 9.7 -2.6 | 110 9 -8.6 3.1 44 43 21336 340 4 1.4 -3.8 | 97 17 -16.9 1.9 45 40 21641 5 11 -1.0 -11.0 | 75 20 -19.2 -5.3 46 37 21946 350 18 3.1 -17.7 | 51 19 -15.1 -12.0 47 35 22250 345 17 4.4 -16.4 | 52 17 -13.8 -10.7 48 30 22860 140 8 -5.1 6.1 | 117 26 -23.4 11.8 Wind Parameters Mean winds (0-6000m): 257.4 at 25.5 knts Storm direction: 287.4 at 19.1 knts Shear (0-3000m) pos: 1.9 neg: 3.3 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 89.6 deg Storm rel helicity (0-3000m) pos: 61.1 neg: -107.7 tot: -46.6 m^2/s^2 ave: -15.5 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 12.2 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.16 Bulk Shear: 135.65 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 84 7 101 25| 0.0 4.3 4.3| 0.0 -24.3 -24.3 -48.6 -0.86| 4.4 -3.7 1000 47 7 92 24| 0.0 9.8 9.8| 14.1 -54.6 -40.5 -40.5 -0.16| 12.7 -2.1 1500 287 11 108 8| 0.0 9.0 9.0| 22.1 -55.1 -33.0 -22.0 0.06| 13.3 0.8 2000 259 13 144 10| 0.0 5.0 5.0| 22.1 -89.3 -67.1 -33.6 -0.12| 12.8 -1.5 2500 254 12 145 11| 1.0 4.0 5.0| 33.0-107.7 -74.7 -29.9 -0.11| 12.4 -1.4 3000 253 14 152 11| 1.9 3.3 5.2| 61.1-107.7 -46.6 -15.5 0.03| 12.2 0.3 4000 257 15 160 10| 1.5 2.7 4.1| 64.3-111.2 -46.9 -11.7 0.02| 10.1 0.2 5000 255 19 183 11| 1.8 3.9 5.7|140.3-111.2 29.1 5.8 0.15| 10.6 1.6 6000 257 25 210 13| 2.7 3.2 5.9|233.7-111.2 122.5 20.4 0.21| 10.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250421.12.gif