UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 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 133 1 925 810 SFC 914 908 16.4 15.3 93 1.1 15.7 100 3 297.1 299.3 292.2 332.0 12.05 3 862 1407 13.4 13.4 100 0.0 13.4 47 9 299.0 301.0 292.2 331.9 11.28 4 850 1526 13.2 12.9 98 0.3 13.0 35 11 300.0 302.0 292.4 332.4 11.07 5 837 1656 14.2 12.4 89 1.8 13.0 43 10 302.4 304.4 292.9 334.5 10.87 6 807 1965 13.4 10.3 81 3.1 11.4 64 8 304.7 306.5 292.8 334.0 9.80 7 741 2679 9.0 4.5 73 4.5 6.4 329 3 307.4 308.7 291.5 329.2 7.14 8 700 3149 6.0 3.0 81 3.0 4.3 260 9 309.1 310.4 291.7 330.0 6.80 9 661 3616 2.2 1.9 98 0.3 2.0 244 13 310.0 311.2 291.9 330.5 6.66 10 647 3789 2.8 -1.2 75 4.0 0.7 230 16 312.5 313.6 291.6 329.6 5.42 11 586 4585 -1.7 -12.7 43 11.0 -6.0 240 30 316.3 316.8 290.1 324.3 2.46 12 573 4763 -2.7 -9.7 59 7.0 -5.7 243 32 317.1 317.8 291.0 327.6 3.20 13 563 4903 -3.5 -18.5 30 15.0 -8.6 245 34 317.8 318.1 289.7 323.1 1.58 14 540 5231 -5.9 -24.9 21 19.0 -11.2 250 39 318.8 318.9 289.3 322.0 0.94 15 500 5830 -10.1 -24.1 31 14.0 -14.0 260 47 320.7 320.9 290.1 324.5 1.09 16 449 6650 -14.5 -27.5 32 13.0 -17.7 269 58 325.2 325.4 291.3 328.4 0.89 17 400 7510 -22.5 -30.5 48 8.0 -24.1 270 60 325.7 325.9 291.3 328.5 0.75 18 396 7584 -23.1 -31.1 48 8.0 -24.6 274 60 325.9 326.0 291.3 328.5 0.72 19 385 7790 -24.7 -27.4 78 2.7 -25.3 283 61 326.4 326.6 291.7 330.2 1.05 20 374 8003 -23.1 -25.4 81 2.3 -23.7 291 61 331.3 331.5 293.3 335.9 1.30 21 323 9066 -29.5 -32.1 78 2.6 -30.0 307 65 336.6 336.8 294.2 339.6 0.80 22 300 9590 -33.5 -36.5 74 3.0 -33.9 300 79 338.2 338.3 294.4 340.3 0.56 23 261 10550 -41.5 -43.0 85 1.5 -41.6 289 94 340.2 340.2 294.7 341.4 0.33 24 250 10840 -44.1 -47.2 71 3.1 -44.3 285 99 340.5 340.5 294.7 341.4 0.22 25 248 10894 -44.7 -46.9 79 2.2 -44.9 285 100 340.4 340.4 294.6 341.3 0.23 26 245 10975 -45.1 -58.1 22 13.0 -45.6 284 101 341.0 341.0 294.6 341.2 0.06 27 238 11169 -44.9 -65.9 8 21.0 -45.6 282 105 344.1 344.1 295.3 344.2 0.02 28 206 12119 -52.2 -64.1 23 11.9 -52.5 275 122 347.2 347.2 296.0 347.3 0.03 29 200 12310 -53.7 -63.7 28 10.0 -53.9 275 121 347.7 347.7 296.1 347.9 0.04 30 173 13221 -62.1 -70.1 34 8.0 -62.2 272 114 348.6 348.6 296.3 348.7 0.02 31 162 13623 -64.7 -72.7 32 8.0 -64.8 271 111 350.8 350.8 296.8 350.9 0.01 32 150 14090 -66.1 -81.1 11 15.0 -66.2 265 95 356.2 356.2 298.0 356.2 0.00 33 131 14905 -68.9 -83.9 10 15.0 -68.9 265 82 365.3 365.3 299.7 365.3 0.00 34 112 15845 -67.7 -86.7 5 19.0 -67.8 273 66 384.3 384.3 302.9 384.3 0.00 35 101 16461 -71.5 -87.5 7 16.0 -71.6 279 30 388.5 388.5 303.6 388.5 0.00 36 100 16520 -71.7 -87.7 7 16.0 -71.8 280 27 389.2 389.2 303.7 389.2 0.00 37 84 17537 -76.3 -88.3 13 12.0 -76.3 325 30 399.8 399.8 305.2 399.8 0.00 38 79 17894 -72.1 -88.1 7 16.0 -72.2 308 37 415.5 415.5 307.2 415.5 0.00 39 70 18610 -69.9 -88.9 5 19.0 -70.0 290 26 434.8 434.8 309.3 434.9 0.00 40 64 19147 -69.1 -89.1 4 20.0 -69.2 290 26 447.9 447.9 310.7 447.9 0.00 41 60 19538 -65.1 -89.1 2 24.0 -65.4 286 17 465.2 465.2 312.3 465.2 0.00 42 54 20186 -62.7 -87.7 2 25.0 -63.1 302 7 484.9 484.9 313.8 485.0 0.00 43 50 20660 -64.3 -89.3 2 25.0 -64.6 255 12 492.0 492.0 314.4 492.0 0.00 44 30 23860 -53.7 -84.7 1 31.0 -55.5 90 15 598.2 598.2 320.5 598.3 0.01 45 26 24786 -50.9 -83.9 1 33.0 -53.5 71 15 631.2 631.2 321.9 631.3 0.01 46 22 25875 -50.3 -83.3 1 33.0 -53.5 71 18 663.9 663.9 323.2 664.0 0.02 TRP 84 17537 -76.3 -88.3 13 12.0 -76.3 325 30 399.8 399.8 305.2 399.8 0.00 WND 206 12119 -52.2 -64.1 23 11.9 -52.5 275 122 347.2 347.2 296.0 347.3 0.03 Sounding variables and indices 1000-500 mb thick: 5697.00 m Freezing level: 609.04 mb = 4283.97 m = 14054.84 ft Wetbulb zero: 640.46 mb = 3870.59 m = 12698.62 ft Precipitable water: 1.18 inches Sfc-500 mean rel hum: 66.92 % Est. max temperature: 25.50 C = 77.90 F Sfc-Lift cond lev (LCL): 899.37 mb = 1045.52 m = 3430.14 ft T: 15.57 C 700-500 lapse rate: 6.01 C/km ThetaE index: 5.36 C Layer 807.0- 700.0 mb Conv cond level (CCL): 783.41 mb = 2212.97 m = 7260.30 ft Mean mixing ratio: 11.22 g/kg Conv temperature: 24.72 C = 76.50 F Cap Strength: 2.31 C Lifted Index: -0.16 C Risk: Thunderstorms probable Lifted Index @300 mb: 5.03 C Lifted Index @700 mb: 0.71 C Showalter Index: 0.02 C Risk: Thunderstorms probable Total Totals Index: 46.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 23.00 C K Index: 33.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 223.80 Risk: None Energy Index: -1.54 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.60 J/kg Max Up Vert Vel: 10.16 m/s Conv Inhibition (B-): 89.32 J/kg Cap Strength: 2.25 C Lift Cond Lev (LCL): 850.25 mb = 1523.55 m = 4998.45 ft Lev Free Conv (LFC): 675.25 mb = 3442.08 m = 11292.76 ft Equ Level (EL): 645.25 mb = 3810.71 m = 12502.18 ft B at Equ Level: 32.09 J/kg Max Parcel Lev (MPL): 555.25 mb = 5011.77 m = 16442.61 ft Wind level data Storm motion: 288 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 ---------------------------------------------------------- 0 914 908 100 3 -3.0 0.5 | 107 22 -20.9 6.4 1 850 1524 35 11 -6.3 -9.0 | 83 24 -24.2 -3.1 2 850 1526 35 11 -6.3 -9.0 | 83 24 -24.2 -3.1 3 790 2134 75 7 -6.8 -1.8 | 99 25 -24.7 4.1 4 762 2438 65 5 -4.5 -2.1 | 100 23 -22.5 3.8 5 735 2743 300 2 1.7 -1.0 | 107 17 -16.2 4.9 6 709 3048 235 10 8.2 5.7 | 140 15 -9.7 11.6 7 700 3149 260 9 8.9 1.6 | 129 12 -9.1 7.4 8 682 3353 265 10 10.0 0.9 | 130 10 -8.0 6.8 9 632 3962 215 18 10.3 14.7 | 160 22 -7.6 20.6 10 608 4267 235 26 21.3 14.9 | 189 21 3.4 20.8 11 500 5830 260 47 46.3 8.2 | 244 32 28.4 14.0 12 483 6096 265 49 48.8 4.3 | 252 33 30.9 10.2 13 445 6706 270 59 59.0 -0.0 | 262 41 41.1 5.9 14 400 7510 270 60 60.0 -0.0 | 262 42 42.1 5.9 15 378 7925 290 61 57.3 -20.9 | 291 42 39.4 -15.0 16 362 8230 295 61 55.3 -25.8 | 298 42 37.4 -19.9 17 347 8534 310 59 45.2 -37.9 | 320 42 27.3 -32.0 18 333 8839 310 59 45.2 -37.9 | 320 42 27.3 -32.0 19 300 9590 300 79 68.4 -39.5 | 304 61 50.5 -33.6 20 250 10840 285 99 95.6 -25.6 | 284 80 77.7 -19.7 21 206 12119 275 122 121.5 -10.6 | 273 104 103.6 -4.7 22 204 12192 275 122 121.5 -10.6 | 273 104 103.6 -4.7 23 200 12310 275 121 120.5 -10.5 | 273 103 102.6 -4.7 24 152 14021 270 108 108.0 -0.0 | 266 90 90.1 5.9 25 150 14090 265 95 94.6 8.3 | 260 78 76.7 14.2 26 124 15240 265 77 76.7 6.7 | 258 60 58.8 12.6 27 118 15545 270 83 83.0 -0.0 | 265 65 65.1 5.9 28 100 16520 280 27 26.6 -4.7 | 262 9 8.7 1.2 29 96 16764 275 28 27.9 -2.4 | 251 11 10.0 3.4 30 91 17069 320 27 17.4 -20.7 | 2 15 -0.6 -14.8 31 84 17537 325 30 17.2 -24.6 | 2 19 -0.7 -18.7 32 82 17678 330 30 15.0 -26.0 | 8 20 -2.9 -20.1 33 78 17983 300 40 34.6 -20.0 | 310 22 16.7 -14.1 34 74 18288 300 34 29.4 -17.0 | 314 16 11.5 -11.1 35 70 18593 265 27 26.9 2.4 | 227 12 9.0 8.2 36 70 18610 290 26 24.4 -8.9 | 295 7 6.5 -3.0 37 67 18898 290 21 19.7 -7.2 | 306 2 1.8 -1.3 38 64 19202 290 27 25.4 -9.2 | 294 8 7.4 -3.4 39 60 19507 285 18 17.4 -4.7 | 156 1 -0.5 1.2 40 57 19812 295 13 11.8 -5.5 | 94 6 -6.1 0.4 41 55 20117 310 6 4.6 -3.9 | 99 13 -13.3 2.0 42 50 20660 255 12 11.6 3.1 | 145 11 -6.3 9.0 43 49 20726 330 10 5.0 -8.7 | 78 13 -12.9 -2.8 44 47 21031 225 14 9.9 9.9 | 153 18 -8.0 15.8 45 45 21336 215 10 5.7 8.2 | 139 19 -12.2 14.1 46 37 22555 25 10 -4.2 -9.1 | 82 22 -22.2 -3.2 47 32 23470 125 11 -9.0 6.3 | 114 30 -26.9 12.2 48 30 23860 90 15 -15.0 0.0 | 100 33 -32.9 5.9 49 28 24079 90 15 -15.0 0.0 | 100 33 -32.9 5.9 50 24 24689 55 15 -12.3 -8.6 | 85 30 -30.2 -2.7 51 21 25298 80 20 -19.7 -3.5 | 94 38 -37.6 2.4 52 19 25603 65 22 -19.9 -9.3 | 85 38 -37.9 -3.4 53 18 25908 75 25 -24.1 -6.5 | 89 42 -42.1 -0.6 54 15 26518 95 16 -15.9 1.4 | 102 35 -33.9 7.3 Wind Parameters Mean winds (0-6000m): 258.2 at 25.2 knts Storm direction: 288.2 at 18.9 knts Shear (0-3000m) pos: 0.8 neg: 2.5 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 53.1 deg Storm rel helicity (0-3000m) pos: 107.0 neg: -73.7 tot: 33.4 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 1.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.41 Bulk Shear: 125.57 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 51 6 95 23| 0.0 8.3 8.3| 0.0 -49.5 -49.5 -98.9 -0.88| 9.0 -8.0 1000 47 8 91 24| 1.2 4.1 5.3| 29.7 -64.1 -34.4 -34.4 -0.35| 8.0 -2.8 1500 53 8 93 24| 1.7 2.8 4.4| 46.3 -64.1 -17.8 -11.9 -0.15| 6.8 -1.0 2000 50 7 94 23| 1.3 2.1 3.4| 72.1 -70.1 2.0 1.0 0.06| 8.4 0.5 2500 36 7 90 22| 1.0 2.4 3.4| 89.1 -73.7 15.4 6.2 0.15| 8.5 1.2 3000 314 8 90 12| 0.8 2.5 3.3|107.0 -73.7 33.4 11.1 0.21| 9.1 1.9 4000 240 13 152 14| 3.0 1.9 4.9|226.1 -73.7 152.4 38.1 0.42| 9.6 4.1 5000 250 19 180 12| 3.9 1.5 5.4|344.5 -73.7 270.8 54.2 0.51| 9.5 4.9 6000 258 25 211 13| 4.4 1.2 5.6|435.6 -73.7 361.9 60.3 0.54| 9.2 4.9 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250416.00.gif