UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 22 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 136 1 925 808 SFC 914 908 15.2 13.7 91 1.5 14.3 110 5 295.9 297.8 290.9 327.1 10.84 3 864 1384 11.8 11.8 100 0.0 11.8 83 10 297.1 298.9 290.7 326.4 10.11 4 858 1443 12.2 11.5 95 0.7 11.8 84 10 298.1 299.9 290.9 327.2 9.98 5 850 1522 12.0 11.1 94 0.9 11.4 85 9 298.7 300.5 291.0 327.4 9.81 6 794 2092 10.2 7.0 81 3.2 8.3 182 8 302.7 304.1 290.7 326.4 7.94 7 755 2510 7.0 5.7 91 1.3 6.2 216 12 303.6 305.0 290.7 326.5 7.63 8 749 2575 7.0 3.2 77 3.8 4.9 221 15 304.3 305.5 289.9 323.7 6.44 9 739 2687 8.6 -0.4 53 9.0 3.9 230 19 307.2 308.1 289.6 322.7 5.03 10 709 3030 7.8 -2.2 49 10.0 2.8 235 17 310.0 310.9 290.0 324.3 4.59 11 700 3135 7.0 -2.0 53 9.0 2.4 235 15 310.2 311.1 290.3 325.0 4.72 12 652 3715 2.6 -4.4 60 7.0 -0.7 244 18 311.6 312.4 290.3 325.0 4.23 13 637 3902 1.2 -7.8 51 9.0 -2.8 241 14 312.1 312.8 289.6 322.8 3.34 14 624 4068 0.4 -9.6 47 10.0 -3.8 231 14 313.1 313.6 289.5 322.6 2.96 15 610 4250 0.4 -31.6 7 32.0 -7.7 213 18 315.1 315.2 287.6 316.7 0.45 16 573 4750 -2.1 -38.1 4 36.0 -9.8 223 24 317.8 317.9 288.3 318.8 0.25 17 542 5193 -1.5 -47.5 2 46.0 -10.1 235 28 323.7 323.7 290.0 324.0 0.10 18 500 5830 -6.7 -44.7 3 38.0 -13.5 240 25 324.9 324.9 290.4 325.4 0.14 19 456 6540 -12.3 -54.3 2 42.0 -17.7 238 27 326.5 326.5 290.8 326.7 0.05 20 400 7530 -17.5 -38.5 14 21.0 -21.2 245 56 332.2 332.3 292.7 333.6 0.34 21 396 7605 -17.7 -43.7 8 26.0 -21.7 249 55 332.9 333.0 292.7 333.7 0.20 22 364 8228 -23.7 -29.7 58 6.0 -24.9 245 59 333.0 333.2 293.4 336.3 0.89 23 349 8533 -26.7 -31.3 65 4.6 -27.6 246 63 333.0 333.2 293.3 336.0 0.80 24 324 9066 -29.9 -31.4 87 1.5 -30.2 248 70 335.8 335.9 294.0 338.9 0.86 25 300 9610 -33.7 -39.7 55 6.0 -34.4 250 78 337.9 338.0 294.2 339.4 0.40 26 287 9921 -35.1 -41.1 54 6.0 -35.8 250 82 340.2 340.3 294.7 341.6 0.37 27 259 10630 -40.7 -45.0 63 4.3 -41.1 250 93 342.1 342.1 295.1 343.1 0.27 28 250 10870 -42.9 -47.7 59 4.8 -43.2 250 96 342.3 342.3 295.1 343.1 0.21 29 221 11685 -49.9 -56.9 44 7.0 -50.1 247 100 343.8 343.8 295.3 344.1 0.08 30 200 12330 -53.9 -61.9 37 8.0 -54.1 250 100 347.4 347.4 296.1 347.6 0.05 31 189 12692 -56.5 -63.5 41 7.0 -56.6 250 103 348.9 348.9 296.4 349.1 0.04 32 183 12897 -57.9 -70.9 17 13.0 -58.1 250 105 349.9 349.9 296.6 349.9 0.01 33 169 13394 -62.4 -72.9 23 10.4 -62.6 250 109 350.3 350.3 296.7 350.4 0.01 34 152 14041 -68.5 -75.5 36 7.0 -68.5 250 108 350.8 350.8 296.8 350.8 0.01 35 150 14120 -68.9 -75.9 36 7.0 -68.9 250 108 351.4 351.4 297.0 351.4 0.01 36 137 14657 -72.9 -78.9 40 6.0 -72.9 260 103 353.6 353.6 297.4 353.6 0.01 37 131 14918 -74.5 -81.5 33 7.0 -74.5 265 101 355.3 355.3 297.7 355.3 0.00 38 100 16490 -74.1 -88.1 10 14.0 -74.2 250 79 384.6 384.6 303.0 384.6 0.00 39 92 16973 -76.9 -87.9 16 11.0 -76.9 247 68 388.3 388.3 303.5 388.3 0.00 40 70 18570 -70.3 -89.3 5 19.0 -70.4 215 25 434.0 434.0 309.3 434.0 0.00 41 61 19392 -68.7 -89.7 3 21.0 -68.8 272 14 455.0 455.0 311.3 455.0 0.00 42 54 20139 -59.3 -87.3 1 28.0 -59.9 264 20 492.8 492.8 314.4 492.8 0.00 43 50 20620 -60.9 -87.9 2 27.0 -61.4 25 6 500.0 500.0 314.9 500.0 0.00 44 48 20874 -61.3 -88.3 2 27.0 -61.8 290 11 504.9 504.9 315.3 504.9 0.00 45 44 21420 -57.3 -87.3 1 30.0 -58.2 228 10 527.4 527.4 316.8 527.4 0.00 46 36 22688 -58.5 -87.5 1 29.0 -59.5 76 20 555.4 555.4 318.4 555.5 0.01 47 31 23640 -53.9 -84.9 1 31.0 -55.6 30 11 592.1 592.1 320.2 592.2 0.01 48 30 23850 -55.1 -85.1 1 30.0 -56.6 25 4 594.4 594.4 320.3 594.5 0.01 49 21 26152 -50.5 -83.5 1 33.0 -53.7 95 18 672.2 672.2 323.5 672.3 0.02 TRP 131 14918 -74.5 -81.5 33 7.0 -74.5 265 101 355.3 355.3 297.7 355.3 0.00 WND 169 13394 -62.4 -72.9 23 10.4 -62.6 250 109 350.3 350.3 296.7 350.4 0.01 Sounding variables and indices 1000-500 mb thick: 5694.00 m Freezing level: 604.08 mb = 4330.41 m = 14207.21 ft Wetbulb zero: 663.26 mb = 3574.91 m = 11728.57 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 48.33 % Est. max temperature: 22.53 C = 72.55 F Sfc-Lift cond lev (LCL): 893.95 mb = 1095.85 m = 3595.27 ft T: 13.86 C 700-500 lapse rate: 5.08 C/km ThetaE index: 3.76 C Layer 749.0- 709.0 mb Conv cond level (CCL): 797.50 mb = 2055.37 m = 6743.27 ft Mean mixing ratio: 9.93 g/kg Conv temperature: 21.59 C = 70.87 F Cap Strength: 7.15 C Lifted Index: 6.05 C Risk: None Lifted Index @300 mb: 8.58 C Lifted Index @700 mb: 3.82 C Showalter Index: 5.82 C Risk: None Total Totals Index: 36.50 C Risk: None Vertical Totals Index: 18.70 C Cross Totals Index: 17.80 C K Index: 20.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 176.20 Risk: None Energy Index: -0.24 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.85 J/kg Max Up Vert Vel: 7.05 m/s Conv Inhibition (B-): 28466.02 J/kg Cap Strength: 7.09 C Lift Cond Lev (LCL): 849.47 mb = 1527.17 m = 5010.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 258 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 ---------------------------------------------------------- 0 914 908 110 5 -4.7 1.7 | 87 19 -18.5 -1.1 1 881 1219 80 11 -10.8 -1.9 | 79 25 -24.6 -4.7 2 850 1522 85 9 -9.0 -0.8 | 81 23 -22.8 -3.6 3 850 1524 85 11 -11.0 -1.0 | 81 25 -24.8 -3.8 4 790 2134 190 8 1.4 7.9 | 112 13 -12.4 5.1 5 761 2438 210 10 5.0 8.7 | 124 11 -8.8 5.8 6 734 2743 235 21 17.2 12.0 | 200 10 3.4 9.2 7 700 3135 235 15 12.3 8.6 | 165 6 -1.5 5.8 8 681 3353 225 17 12.0 12.0 | 169 9 -1.8 9.2 9 656 3658 245 19 17.2 8.0 | 213 6 3.4 5.2 10 631 3962 240 12 10.4 6.0 | 133 5 -3.4 3.2 11 608 4267 210 19 9.5 16.5 | 162 14 -4.3 13.6 12 542 5182 235 28 22.9 16.1 | 215 16 9.1 13.2 13 522 5486 225 24 17.0 17.0 | 193 15 3.2 14.2 14 500 5830 240 25 21.7 12.5 | 219 12 7.8 9.7 15 483 6096 245 27 24.5 11.4 | 231 14 10.7 8.6 16 446 6706 235 27 22.1 15.5 | 213 15 8.3 12.7 17 400 7530 245 56 50.8 23.7 | 241 42 36.9 20.9 18 395 7620 250 55 51.7 18.8 | 247 41 37.9 16.0 19 363 8230 245 59 53.5 24.9 | 241 45 39.7 22.1 20 300 9610 250 78 73.3 26.7 | 248 64 59.5 23.9 21 250 10870 250 96 90.2 32.8 | 249 82 76.4 30.0 22 204 12192 245 103 93.3 43.5 | 243 89 79.5 40.7 23 200 12330 250 100 94.0 34.2 | 249 86 80.2 31.4 24 169 13394 250 109 102.4 37.3 | 249 95 88.6 34.5 25 160 13716 250 109 102.4 37.3 | 249 95 88.6 34.5 26 150 14120 250 108 101.5 36.9 | 249 94 87.7 34.1 27 131 14918 265 101 100.6 8.8 | 266 87 86.8 6.0 28 112 15850 265 107 106.6 9.3 | 266 93 92.8 6.5 29 106 16154 270 96 96.0 -0.0 | 272 82 82.2 -2.8 30 100 16490 250 79 74.2 27.0 | 248 65 60.4 24.2 31 95 16764 250 80 75.2 27.4 | 248 66 61.4 24.5 32 91 17069 245 63 57.1 26.6 | 241 49 43.3 23.8 33 86 17374 260 47 46.3 8.2 | 261 33 32.5 5.3 34 77 17983 260 38 37.4 6.6 | 261 24 23.6 3.8 35 73 18288 275 26 25.9 -2.3 | 293 13 12.1 -5.1 36 70 18570 215 25 14.3 20.5 | 182 18 0.5 17.7 37 70 18593 260 27 26.6 4.7 | 262 13 12.8 1.9 38 66 18898 215 25 14.3 20.5 | 182 18 0.5 17.7 39 63 19202 215 10 5.7 8.2 | 124 10 -8.1 5.4 40 60 19507 300 16 13.9 -8.0 | 360 11 0.1 -10.8 41 57 19812 295 26 23.6 -11.0 | 325 17 9.8 -13.8 42 52 20422 240 15 13.0 7.5 | 170 5 -0.8 4.7 43 50 20620 25 6 -2.5 -5.4 | 63 18 -16.3 -8.3 44 49 20726 235 12 9.8 6.9 | 136 6 -4.0 4.1 45 47 21031 345 10 2.6 -9.7 | 42 17 -11.2 -12.5 46 43 21641 165 10 -2.6 9.7 | 113 18 -16.4 6.8 47 39 22250 105 19 -18.4 4.9 | 94 32 -32.2 2.1 48 35 22860 65 20 -18.1 -8.5 | 71 34 -31.9 -11.3 49 32 23470 30 10 -5.0 -8.7 | 59 22 -18.8 -11.5 50 30 23774 30 12 -6.0 -10.4 | 56 24 -19.8 -13.2 51 30 23850 25 4 -1.7 -3.6 | 67 17 -15.5 -6.4 52 26 24384 25 1 -0.4 -0.9 | 75 15 -14.2 -3.7 53 24 24689 105 10 -9.7 2.6 | 89 23 -23.5 -0.2 54 22 24994 95 19 -18.9 1.7 | 88 33 -32.7 -1.2 55 19 25603 95 15 -14.9 1.3 | 87 29 -28.7 -1.5 56 16 26213 80 13 -12.8 -2.3 | 79 27 -26.6 -5.1 57 14 26822 110 23 -21.6 7.9 | 98 36 -35.4 5.1 Wind Parameters Mean winds (0-6000m): 228.5 at 18.8 knts Storm direction: 258.5 at 14.1 knts Shear (0-3000m) pos: 4.2 neg: 1.3 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 61.9 deg Storm rel helicity (0-3000m) pos: 117.7 neg: -28.7 tot: 89.0 m^2/s^2 ave: 29.7 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 3.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.27 Bulk Shear: 92.32 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 86 9 81 23| 0.0 5.9 5.9| 2.1 -16.4 -14.3 -28.6 -0.30| 8.4 -2.5 1000 96 9 86 23| 5.4 3.0 8.4| 61.5 -16.4 45.1 45.1 0.36| 10.7 3.9 1500 118 9 94 22| 5.9 2.0 7.9| 76.9 -16.4 60.5 40.4 0.39| 10.2 4.0 2000 172 11 118 17| 7.1 1.5 8.5|107.7 -18.7 89.0 44.5 0.52| 11.4 5.9 2500 200 12 132 13| 5.7 1.5 7.2|110.1 -23.5 86.6 34.7 0.42| 10.4 4.4 3000 215 13 141 10| 4.2 1.3 5.4|117.7 -28.7 89.0 29.7 0.34| 10.4 3.6 4000 218 15 151 10| 4.0 1.4 5.5|156.6 -28.9 127.7 31.9 0.40| 10.3 4.1 5000 224 17 167 10| 3.6 1.2 4.7|195.0 -48.7 146.4 29.3 0.39| 9.9 3.8 6000 228 19 182 10| 3.0 1.3 4.2|217.5 -65.2 152.3 25.4 0.35| 9.4 3.3 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250422.00.gif