UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 25 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 103 1 925 781 SFC 911 908 15.4 12.5 83 2.9 13.6 120 3 296.3 298.2 290.4 325.4 10.04 3 873 1270 13.8 9.2 74 4.6 11.0 93 12 298.3 299.8 289.6 322.9 8.39 4 850 1496 14.0 7.0 63 7.0 9.9 85 14 300.8 302.2 289.6 322.8 7.41 5 831 1687 14.2 7.2 63 7.0 10.0 85 12 303.0 304.4 290.6 326.0 7.69 6 700 3120 6.4 5.6 95 0.8 5.9 280 10 309.6 311.1 293.0 334.6 8.18 7 652 3699 2.8 2.8 100 0.0 2.8 246 12 311.9 313.2 292.9 334.2 7.20 8 624 4054 2.4 0.3 86 2.1 1.3 258 19 315.3 316.5 293.1 335.2 6.28 9 566 4834 -3.5 -4.0 96 0.5 -3.7 274 28 317.3 318.3 292.6 333.4 5.03 10 559 4933 -3.1 -7.5 72 4.4 -5.1 272 28 318.9 319.7 292.2 331.6 3.89 11 530 5353 -4.9 -13.9 49 9.0 -8.4 254 27 321.7 322.1 291.7 329.9 2.46 12 503 5763 -6.7 -18.7 38 12.0 -10.8 250 26 324.3 324.7 291.8 330.3 1.74 13 500 5810 -7.1 -18.1 41 11.0 -10.9 250 26 324.4 324.7 291.9 330.7 1.84 14 483 6078 -9.1 -15.1 62 6.0 -11.3 255 29 325.1 325.6 292.6 333.5 2.45 15 466 6355 -10.7 -17.7 56 7.0 -13.1 247 30 326.5 326.9 292.7 333.5 2.04 16 462 6421 -9.9 -24.9 28 15.0 -14.2 245 30 328.3 328.5 292.3 332.2 1.10 17 453 6572 -11.5 -24.5 33 13.0 -15.2 249 29 328.2 328.4 292.3 332.3 1.16 18 450 6623 -10.5 -44.5 4 34.0 -16.3 250 29 330.0 330.1 291.9 330.7 0.16 19 440 6796 -10.9 -51.9 2 41.0 -16.9 254 29 331.7 331.7 292.2 331.9 0.07 20 400 7520 -16.5 -42.5 9 26.0 -20.7 270 31 333.5 333.6 292.9 334.4 0.23 21 365 8200 -22.3 -34.3 33 12.0 -24.5 261 41 334.7 334.8 293.5 336.8 0.57 22 349 8527 -24.7 -47.7 10 23.0 -27.3 258 43 335.7 335.8 293.4 336.3 0.15 23 330 8932 -28.1 -43.1 22 15.0 -29.9 254 44 336.5 336.5 293.7 337.5 0.26 24 300 9610 -31.9 -61.9 3 30.0 -33.8 265 52 340.4 340.4 294.4 340.5 0.03 25 298 9657 -32.3 -63.3 3 31.0 -34.1 266 52 340.5 340.5 294.4 340.6 0.03 26 250 10870 -42.1 -69.1 4 27.0 -43.0 285 73 343.5 343.5 295.1 343.5 0.01 27 200 12340 -53.5 -72.5 8 19.0 -53.8 280 82 348.0 348.0 296.2 348.1 0.01 28 186 12804 -57.4 -73.6 11 16.2 -57.6 280 85 349.1 349.1 296.4 349.1 0.01 29 180 13012 -59.1 -74.1 13 15.0 -59.3 280 85 349.5 349.6 296.5 349.6 0.01 30 157 13861 -64.1 -79.1 11 15.0 -64.2 273 84 355.0 355.0 297.7 355.0 0.00 31 150 14140 -66.5 -78.5 17 12.0 -66.6 270 84 355.5 355.5 297.8 355.6 0.01 32 140 14553 -69.3 -80.3 19 11.0 -69.4 270 83 357.7 357.7 298.2 357.7 0.00 33 124 15268 -72.3 -83.3 18 11.0 -72.3 245 65 364.9 364.9 299.7 364.9 0.00 34 101 16472 -71.9 -87.9 7 16.0 -71.9 234 57 387.7 387.7 303.5 387.7 0.00 35 100 16530 -71.5 -87.5 7 16.0 -71.6 230 45 389.6 389.6 303.8 389.6 0.00 36 80 17834 -76.5 -89.5 11 13.0 -76.5 240 27 405.0 405.0 305.9 405.0 0.00 37 77 18057 -71.5 -88.5 6 17.0 -71.6 239 23 419.8 419.8 307.7 419.8 0.00 38 70 18620 -72.1 -90.1 5 18.0 -72.2 255 26 430.1 430.1 308.9 430.1 0.00 39 66 18966 -72.9 -89.9 6 17.0 -73.0 248 25 435.7 435.7 309.4 435.7 0.00 40 58 19729 -70.9 -90.9 4 20.0 -71.0 216 17 456.6 456.6 311.5 456.6 0.00 41 52 20389 -62.7 -88.7 2 26.0 -63.1 225 16 490.2 490.2 314.2 490.2 0.00 42 50 20630 -64.7 -88.7 2 24.0 -65.0 225 14 491.0 491.0 314.3 491.0 0.00 43 49 20753 -64.7 -88.7 2 24.0 -65.0 240 11 493.9 493.9 314.5 493.9 0.00 44 43 21563 -59.1 -88.1 1 29.0 -59.9 215 11 526.4 526.4 316.7 526.5 0.00 45 38 22335 -61.1 -88.1 2 27.0 -61.7 238 3 540.3 540.3 317.5 540.3 0.00 46 30 23820 -56.5 -85.5 1 29.0 -57.9 120 5 590.6 590.6 320.2 590.7 0.01 47 29 24036 -56.5 -86.5 1 30.0 -57.9 163 10 596.4 596.4 320.5 596.4 0.01 48 25 24998 -48.3 -82.3 1 34.0 -51.7 95 12 645.8 645.8 322.5 645.9 0.02 49 23 25549 -47.7 -81.7 1 34.0 -51.5 100 20 663.1 663.1 323.2 663.3 0.02 50 20 26470 -49.7 -82.7 1 33.0 -53.2 75 9 684.0 684.1 323.9 684.2 0.02 51 15 28375 -44.5 -80.5 1 36.0 -50.8 120 5 760.0 760.0 326.2 760.4 0.04 52 14 28836 -45.1 -81.1 1 36.0 -51.4 129 7 773.1 773.1 326.5 773.5 0.04 TRP 124 15268 -72.3 -83.3 18 11.0 -72.3 245 65 364.9 364.9 299.7 364.9 0.00 WND 186 12804 -57.4 -73.6 11 16.2 -57.6 280 85 349.1 349.1 296.4 349.1 0.01 Sounding variables and indices 1000-500 mb thick: 5707.00 m Freezing level: 600.41 mb = 4371.37 m = 14341.61 ft Wetbulb zero: 609.44 mb = 4242.83 m = 13919.87 ft Precipitable water: 1.16 inches Sfc-500 mean rel hum: 77.90 % Est. max temperature: 25.16 C = 77.29 F Sfc-Lift cond lev (LCL): 872.40 mb = 1275.66 m = 4185.20 ft T: 13.81 C 700-500 lapse rate: 5.02 C/km ThetaE index: 2.60 C Layer 873.0- 831.0 mb Conv cond level (CCL): 687.81 mb = 3263.14 m = 10705.70 ft Mean mixing ratio: 8.28 g/kg Conv temperature: 28.83 C = 83.90 F Cap Strength: 6.99 C Lifted Index: 6.94 C Risk: None Lifted Index @300 mb: 12.03 C Lifted Index @700 mb: 4.18 C Showalter Index: 7.76 C Risk: None Total Totals Index: 35.20 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 14.10 C K Index: 27.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 138.00 Risk: None Energy Index: 1.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.39 J/kg Max Up Vert Vel: 8.41 m/s Conv Inhibition (B-): 36401.03 J/kg Cap Strength: 7.02 C Lift Cond Lev (LCL): 792.76 mb = 2080.84 m = 6826.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 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 ---------------------------------------------------------- 0 911 908 120 3 -2.6 1.5 | 111 17 -15.4 6.0 1 878 1219 95 12 -12.0 1.0 | 103 25 -24.8 5.5 2 850 1496 85 14 -13.9 -1.2 | 97 27 -26.8 3.2 3 847 1524 85 15 -14.9 -1.3 | 96 28 -27.8 3.2 4 788 2134 85 2 -2.0 -0.2 | 106 15 -14.8 4.3 5 759 2438 335 5 2.1 -4.5 | 90 11 -10.7 -0.1 6 732 2743 310 10 7.7 -6.4 | 69 6 -5.2 -2.0 7 700 3120 280 10 9.8 -1.7 | 132 4 -3.0 2.7 8 654 3658 245 11 10.0 4.6 | 163 10 -2.9 9.1 9 606 4267 265 23 22.9 2.0 | 237 12 10.1 6.5 10 562 4877 275 28 27.9 -2.4 | 262 15 15.1 2.0 11 541 5182 255 28 27.0 7.2 | 231 18 14.2 11.7 12 500 5810 250 26 24.4 8.9 | 221 18 11.6 13.4 13 482 6096 255 29 28.0 7.5 | 232 19 15.2 12.0 14 463 6401 245 30 27.2 12.7 | 220 22 14.4 17.1 15 411 7315 265 27 26.9 2.4 | 244 16 14.1 6.8 16 400 7520 270 31 31.0 -0.0 | 256 19 18.2 4.5 17 363 8230 260 42 41.4 7.3 | 248 31 28.5 11.8 18 307 9449 250 45 42.3 15.4 | 236 36 29.5 19.9 19 300 9610 265 52 51.8 4.5 | 257 40 39.0 9.0 20 281 10058 275 56 55.8 -4.9 | 271 43 43.0 -0.4 21 250 10870 285 73 70.5 -18.9 | 284 59 57.7 -14.4 22 224 11582 285 75 72.4 -19.4 | 284 61 59.6 -15.0 23 200 12340 280 82 80.8 -14.2 | 278 69 67.9 -9.8 24 186 12804 280 85 83.7 -14.8 | 278 72 70.9 -10.3 25 177 13106 280 85 83.7 -14.8 | 278 72 70.9 -10.3 26 150 14140 270 84 84.0 -0.0 | 266 71 71.2 4.5 27 138 14630 270 83 83.0 -0.0 | 266 70 70.2 4.5 28 124 15268 245 65 58.9 27.5 | 235 56 46.1 31.9 29 112 15850 240 48 41.6 24.0 | 225 40 28.7 28.5 30 101 16459 235 60 49.1 34.4 | 223 53 36.3 38.9 31 100 16530 230 45 34.5 28.9 | 213 40 21.6 33.4 32 96 16764 230 45 34.5 28.9 | 213 40 21.6 33.4 33 91 17069 265 30 29.9 2.6 | 247 18 17.0 7.1 34 78 17983 235 26 21.3 14.9 | 204 21 8.5 19.4 35 74 18288 250 16 15.0 5.5 | 192 10 2.2 9.9 36 70 18593 250 23 21.6 7.9 | 215 15 8.8 12.3 37 70 18620 255 26 25.1 6.7 | 228 17 12.3 11.2 38 67 18898 255 26 25.1 6.7 | 228 17 12.3 11.2 39 63 19202 225 23 16.3 16.3 | 189 21 3.4 20.7 40 60 19507 235 20 16.4 11.5 | 193 16 3.5 15.9 41 57 19812 210 16 8.0 13.9 | 165 19 -4.8 18.3 42 54 20117 225 18 12.7 12.7 | 180 17 -0.1 17.2 43 50 20630 225 14 9.9 9.9 | 168 15 -2.9 14.4 44 49 20726 245 10 9.1 4.2 | 157 9 -3.8 8.7 45 47 21031 195 20 5.2 19.3 | 162 25 -7.7 23.8 46 45 21336 180 17 0.0 17.0 | 149 25 -12.8 21.5 47 41 21946 270 2 2.0 -0.0 | 112 12 -10.8 4.5 48 30 23820 120 5 -4.3 2.5 | 112 19 -17.2 7.0 49 29 24079 170 11 -1.9 10.8 | 136 21 -14.7 15.3 50 28 24384 110 4 -3.8 1.4 | 109 18 -16.6 5.8 51 26 24689 85 11 -11.0 -1.0 | 98 24 -23.8 3.5 52 25 24994 95 12 -12.0 1.0 | 103 25 -24.8 5.5 53 23 25603 100 21 -20.7 3.6 | 104 34 -33.5 8.1 54 22 25908 80 16 -15.8 -2.8 | 93 29 -28.6 1.7 55 21 26213 90 15 -15.0 0.0 | 99 28 -27.8 4.5 56 20 26470 75 9 -8.7 -2.3 | 96 22 -21.5 2.1 57 18 26822 80 11 -10.8 -1.9 | 96 24 -23.7 2.5 58 15 27432 120 5 -4.3 2.5 | 112 19 -17.2 7.0 59 13 28042 145 11 -6.3 9.0 | 125 23 -19.1 13.5 60 11 28346 130 11 -8.4 7.1 | 118 24 -21.3 11.5 61 10 28956 140 11 -7.1 8.4 | 123 24 -19.9 12.9 Wind Parameters Mean winds (0-6000m): 259.2 at 18.1 knts Storm direction: 289.2 at 13.6 knts Shear (0-3000m) pos: 0.0 neg: 3.1 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 83.8 deg Storm rel helicity (0-3000m) pos: 38.7 neg: -59.9 tot: -21.1 m^2/s^2 ave: -7.0 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.36 Bulk Shear: 98.70 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 96 9 104 23| 0.0 11.2 11.2| 0.0 -31.2 -31.2 -62.4 -0.43| 12.0 -5.2 1000 90 11 101 24| 0.0 2.4 2.4| 11.2 -38.1 -26.9 -26.9 -0.20| 10.6 -2.1 1500 86 8 100 21| 0.0 2.4 2.4| 17.5 -53.6 -36.1 -24.1 -0.22| 10.6 -2.4 2000 68 8 94 21| 0.0 3.3 3.3| 19.1 -59.9 -40.7 -20.4 -0.20| 10.3 -2.1 2500 41 9 84 19| 0.0 2.7 2.7| 24.8 -59.9 -35.0 -14.0 -0.07| 9.5 -0.6 3000 312 9 74 6| 0.0 3.1 3.1| 38.7 -59.9 -21.1 -7.0 0.05| 9.3 0.5 4000 273 13 180 4| 1.8 2.3 4.1| 78.0 -61.0 17.0 4.2 0.22| 8.9 2.0 5000 264 16 205 7| 1.4 2.1 3.5| 83.6-111.7 -28.1 -5.6 0.06| 8.4 0.5 6000 259 18 212 9| 1.5 2.1 3.6|117.8-134.0 -16.3 -2.7 0.08| 8.2 0.7 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250425.12.gif