UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 7 DEC 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 115 1 925 807 SFC 914 908 22.6 16.6 69 6.0 18.5 190 1 303.5 305.9 294.9 342.4 13.11 3 912 927 21.2 14.2 64 7.0 16.6 186 1 302.2 304.3 293.2 335.4 11.23 4 893 1110 19.6 13.6 68 6.0 15.7 144 2 302.4 304.4 293.0 335.0 11.03 5 888 1159 22.6 -2.4 19 25.0 9.7 132 3 306.0 306.6 287.8 317.2 3.61 6 881 1228 22.8 -4.2 16 27.0 9.3 117 3 306.9 307.5 287.7 316.8 3.17 7 850 1541 20.6 2.6 30 18.0 10.5 45 5 307.7 308.7 290.1 324.4 5.43 8 739 2727 10.0 7.1 82 2.9 8.2 285 11 308.7 310.4 293.0 335.0 8.60 9 734 2783 10.0 1.0 54 9.0 5.1 283 12 309.3 310.4 290.7 326.7 5.61 10 706 3105 7.2 1.2 66 6.0 3.9 258 15 309.7 310.8 291.2 328.0 5.92 11 700 3175 7.0 -3.0 49 10.0 2.0 250 14 310.2 311.1 290.0 324.0 4.38 12 699 3187 7.0 -3.0 49 10.0 2.0 249 14 310.4 311.2 290.0 324.1 4.39 13 685 3353 8.4 -17.6 14 26.0 -1.3 235 10 313.7 314.0 288.2 318.4 1.40 14 654 3734 7.2 -30.8 5 38.0 -3.6 255 9 316.6 316.6 288.1 318.2 0.45 15 530 5422 -5.5 -37.5 6 32.0 -12.2 226 7 320.9 321.0 289.3 322.0 0.29 16 513 5678 -4.5 -45.5 2 41.0 -12.1 228 8 325.2 325.2 290.5 325.7 0.13 17 500 5880 -5.9 -44.9 3 39.0 -13.0 230 9 325.8 325.9 290.7 326.4 0.14 18 400 7580 -19.7 -42.7 11 23.0 -23.1 250 5 329.4 329.4 291.8 330.2 0.22 19 380 7957 -23.1 -33.1 40 10.0 -24.9 243 11 329.8 329.9 292.3 332.0 0.62 20 364 8271 -24.7 -27.6 77 2.9 -25.4 225 20 331.7 331.9 293.2 335.6 1.09 21 347 8617 -26.5 -31.5 63 5.0 -27.4 222 27 333.8 334.0 293.5 336.8 0.79 22 325 9086 -29.7 -33.2 72 3.5 -30.3 245 28 335.7 335.9 293.9 338.4 0.72 23 304 9558 -34.1 -35.1 91 1.0 -34.3 250 40 336.0 336.2 293.9 338.4 0.64 24 300 9650 -34.9 -36.5 85 1.6 -35.1 250 42 336.2 336.3 293.9 338.3 0.56 25 298 9697 -35.3 -37.1 84 1.8 -35.5 251 42 336.3 336.4 293.9 338.3 0.53 26 294 9791 -35.7 -43.7 44 8.0 -36.5 252 43 337.0 337.1 293.9 338.1 0.27 27 293 9815 -35.9 -39.5 69 3.6 -36.3 252 44 337.0 337.1 294.0 338.7 0.42 28 287 9959 -36.9 -39.0 81 2.1 -37.1 254 45 337.6 337.7 294.1 339.4 0.45 29 286 9983 -37.1 -39.7 77 2.6 -37.4 254 45 337.7 337.8 294.1 339.3 0.42 30 255 10767 -43.7 -46.1 77 2.4 -43.9 259 43 339.2 339.2 294.3 340.1 0.24 31 253 10820 -44.1 -44.7 94 0.6 -44.2 260 42 339.3 339.4 294.4 340.5 0.28 32 252 10847 -44.5 -48.3 66 3.8 -44.7 260 42 339.1 339.2 294.3 339.9 0.19 33 250 10900 -44.7 -48.5 66 3.8 -44.9 260 42 339.6 339.6 294.4 340.4 0.19 34 244 11063 -46.3 -52.3 51 6.0 -46.6 259 41 339.6 339.6 294.3 340.1 0.12 35 236 11284 -48.7 -51.3 74 2.6 -48.8 255 40 339.2 339.2 294.3 339.8 0.14 36 232 11396 -49.7 -58.7 34 9.0 -50.0 253 39 339.4 339.4 294.2 339.6 0.06 37 227 11539 -50.7 -53.4 73 2.7 -50.8 251 38 339.9 340.0 294.4 340.4 0.12 38 223 11655 -51.9 -54.4 74 2.5 -52.0 249 40 339.8 339.9 294.4 340.3 0.11 39 221 11714 -52.1 -57.1 55 5.0 -52.2 248 41 340.4 340.4 294.5 340.7 0.08 40 219 11773 -52.9 -57.0 61 4.1 -53.0 246 42 340.1 340.1 294.4 340.4 0.08 41 218 11802 -52.9 -59.9 42 7.0 -53.1 246 43 340.5 340.5 294.5 340.7 0.05 42 217 11832 -52.3 -89.3 0 37.0 -52.7 245 44 341.9 341.9 294.8 341.9 0.00 43 201 12328 -53.7 -73.7 7 20.0 -54.0 236 56 347.2 347.2 296.0 347.3 0.01 44 200 12360 -53.9 -73.9 7 20.0 -54.2 235 57 347.4 347.4 296.1 347.4 0.01 45 184 12887 -57.7 -75.3 9 17.7 -57.9 240 68 349.7 349.7 296.5 349.7 0.01 46 150 14140 -66.9 -78.9 17 12.0 -67.0 235 62 354.8 354.8 297.7 354.9 0.01 47 148 14221 -67.3 -80.3 14 13.0 -67.4 235 62 355.5 355.5 297.8 355.5 0.00 48 129 15047 -68.7 -85.7 7 17.0 -68.8 242 48 367.2 367.2 300.1 367.3 0.00 49 105 16265 -73.7 -89.7 7 16.0 -73.7 239 39 380.0 380.0 302.2 380.0 0.00 50 100 16550 -73.1 -91.1 5 18.0 -73.2 230 40 386.5 386.5 303.3 386.5 0.00 51 81 17778 -76.5 -90.5 9 14.0 -76.6 220 18 403.5 403.5 305.7 403.5 0.00 52 70 18630 -72.5 -89.5 6 17.0 -72.6 220 5 429.3 429.3 308.7 429.3 0.00 53 65 19063 -73.5 -90.5 6 17.0 -73.6 190 6 436.3 436.3 309.5 436.3 0.00 54 61 19437 -69.1 -91.1 3 22.0 -69.2 134 14 454.1 454.1 311.3 454.1 0.00 55 57 19840 -70.7 -91.7 3 21.0 -70.8 122 8 459.3 459.3 311.7 459.4 0.00 56 50 20620 -67.7 -92.7 2 25.0 -67.9 75 8 484.0 484.0 313.8 484.0 0.00 57 30 23760 -58.9 -90.9 1 32.0 -59.9 110 22 584.1 584.1 319.9 584.1 0.00 58 20 26340 -51.3 -89.3 0 38.0 -54.4 90 27 679.1 679.2 323.7 679.2 0.01 TRP 81 17778 -76.5 -90.5 9 14.0 -76.6 220 18 403.5 403.5 305.7 403.5 0.00 WND 184 12887 -57.7 -75.3 9 17.7 -57.9 240 68 349.7 349.7 296.5 349.7 0.01 Sounding variables and indices 1000-500 mb thick: 5765.00 m Freezing level: 583.70 mb = 4691.39 m = 15391.50 ft Wetbulb zero: 690.42 mb = 3288.43 m = 10788.68 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 27.12 % Est. max temperature: 27.55 C = 81.59 F Sfc-Lift cond lev (LCL): 836.87 mb = 1672.94 m = 5488.57 ft T: 19.42 C 700-500 lapse rate: 4.77 C/km ThetaE index: 25.56 C Layer 912.0- 850.0 mb Conv cond level (CCL): 573.71 mb = 4786.04 m = 15702.04 ft Mean mixing ratio: 6.35 g/kg Conv temperature: 38.10 C = 100.58 F Cap Strength: 7.55 C Lifted Index: 7.50 C Risk: None Lifted Index @300 mb: 8.21 C Lifted Index @700 mb: 3.54 C Showalter Index: 8.08 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: 8.50 C K Index: 19.10 Risk: < 20 % chance of thunderstorms Sweat Index: 50.20 Risk: None Energy Index: 0.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.42 J/kg Max Up Vert Vel: 7.67 m/s Conv Inhibition (B-): 32054.51 J/kg Cap Strength: 7.51 C Lift Cond Lev (LCL): 684.81 mb = 3355.53 m = 11008.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 at 6 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 ---------------------------------------------------------- 0 914 908 190 1 0.2 1.0 | 110 6 -5.7 2.0 1 850 1541 45 5 -3.5 -3.5 | 75 10 -9.4 -2.5 2 792 2134 310 10 7.7 -6.4 | 341 6 1.8 -5.4 3 764 2438 290 11 10.3 -3.8 | 301 5 4.5 -2.7 4 737 2743 285 11 10.6 -2.8 | 291 5 4.8 -1.8 5 711 3048 265 16 15.9 1.4 | 256 10 10.1 2.4 6 700 3175 250 14 13.2 4.8 | 231 9 7.3 5.8 7 685 3353 235 10 8.2 5.7 | 199 7 2.3 6.8 8 659 3658 260 10 9.8 1.7 | 235 5 4.0 2.8 9 611 4267 215 2 1.1 1.6 | 120 5 -4.7 2.7 10 500 5880 230 9 6.9 5.8 | 189 7 1.1 6.8 11 486 6096 220 12 7.7 9.2 | 190 10 1.9 10.2 12 467 6401 210 11 5.5 9.5 | 178 11 -0.3 10.6 13 400 7580 250 5 4.7 1.7 | 157 3 -1.1 2.8 14 398 7620 255 5 4.8 1.3 | 157 3 -1.0 2.3 15 381 7925 245 10 9.1 4.2 | 211 6 3.2 5.3 16 365 8230 225 19 13.4 13.4 | 208 16 7.6 14.5 17 350 8534 220 28 18.0 21.4 | 208 26 12.2 22.5 18 336 8839 230 23 17.6 14.8 | 217 20 11.8 15.8 19 322 9144 250 29 27.3 9.9 | 243 24 21.4 11.0 20 300 9650 250 42 39.5 14.4 | 245 37 33.6 15.4 21 283 10058 255 46 44.4 11.9 | 251 41 38.6 12.9 22 250 10900 260 42 41.4 7.3 | 257 36 35.5 8.3 23 247 10973 260 41 40.4 7.1 | 257 35 34.5 8.2 24 225 11582 250 38 35.7 13.0 | 245 33 29.9 14.0 25 200 12360 235 57 46.7 32.7 | 230 53 40.8 33.7 26 184 12887 240 68 58.9 34.0 | 237 64 53.0 35.0 27 178 13106 240 68 58.9 34.0 | 237 64 53.0 35.0 28 153 14021 230 62 47.5 39.9 | 226 58 41.7 40.9 29 150 14140 235 62 50.8 35.6 | 231 58 44.9 36.6 30 145 14326 235 62 50.8 35.6 | 231 58 44.9 36.6 31 131 14935 240 44 38.1 22.0 | 234 40 32.3 23.0 32 125 15240 245 55 49.8 23.2 | 241 50 44.0 24.3 33 118 15545 260 38 37.4 6.6 | 256 32 31.6 7.6 34 100 16550 230 40 30.6 25.7 | 223 36 24.8 26.8 35 96 16764 230 40 30.6 25.7 | 223 36 24.8 26.8 36 91 17069 210 23 11.5 19.9 | 195 22 5.7 21.0 37 87 17374 215 13 7.5 10.6 | 188 12 1.6 11.7 38 82 17678 255 16 15.5 4.1 | 242 11 9.6 5.2 39 81 17778 220 18 11.6 13.8 | 201 16 5.7 14.8 40 78 17983 215 18 10.3 14.7 | 196 16 4.5 15.8 41 74 18288 220 12 7.7 9.2 | 190 10 1.9 10.2 42 70 18630 220 5 3.2 3.8 | 152 6 -2.6 4.9 43 67 18898 215 3 1.7 2.5 | 130 5 -4.1 3.5 44 60 19507 125 15 -12.3 8.6 | 118 21 -18.1 9.6 45 54 20117 120 3 -2.6 1.5 | 107 9 -8.4 2.5 46 50 20620 75 8 -7.7 -2.1 | 86 14 -13.6 -1.0 47 47 21031 70 10 -9.4 -3.4 | 81 15 -15.2 -2.4 48 45 21336 35 18 -10.3 -14.7 | 50 21 -16.2 -13.7 49 40 21946 35 14 -8.0 -11.5 | 53 17 -13.9 -10.4 50 38 22250 40 10 -6.4 -7.7 | 62 14 -12.3 -6.6 51 36 22555 115 14 -12.7 5.9 | 111 20 -18.5 7.0 52 35 22860 130 19 -14.6 12.2 | 123 24 -20.4 13.3 53 33 23165 110 24 -22.6 8.2 | 108 30 -28.4 9.2 54 31 23470 120 18 -15.6 9.0 | 115 24 -21.4 10.0 55 30 23760 110 22 -20.7 7.5 | 108 28 -26.5 8.6 56 29 24079 115 20 -18.1 8.5 | 112 26 -24.0 9.5 57 25 24994 80 20 -19.7 -3.5 | 85 26 -25.5 -2.4 58 24 25298 105 23 -22.2 6.0 | 104 29 -28.1 7.0 59 21 25908 105 27 -26.1 7.0 | 104 33 -31.9 8.0 60 20 26340 90 27 -27.0 0.0 | 92 33 -32.8 1.0 61 19 26518 70 26 -24.4 -8.9 | 75 31 -30.3 -7.9 62 18 26822 90 26 -26.0 0.0 | 92 32 -31.8 1.0 63 16 27127 60 29 -25.1 -14.5 | 67 34 -31.0 -13.5 64 15 27432 65 31 -28.1 -13.1 | 70 36 -33.9 -12.1 65 12 28042 45 22 -15.6 -15.6 | 56 26 -21.4 -14.5 66 11 28346 55 23 -18.8 -13.2 | 64 28 -24.7 -12.2 67 11 28651 40 18 -11.6 -13.8 | 54 22 -17.4 -12.7 Wind Parameters Mean winds (0-6000m): 250.1 at 7.9 knts Storm direction: 280.1 at 5.9 knts Shear (0-3000m) pos: 0.6 neg: 1.6 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 71.1 deg Storm rel helicity (0-3000m) pos: 4.4 neg: -80.3 tot: -75.9 m^2/s^2 ave: -25.3 10^-3 m/s^2 rel: -0.75 Storm rel vorticity (0-3000m) horiz: 8.5 stream: -6.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.08 Bulk Shear: 14.13 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 48 3 85 8| 0.0 4.8 4.8| 0.6 -8.7 -8.1 -16.2 -0.54| 6.2 -3.4 1000 25 4 69 8| 0.0 4.6 4.6| 0.6 -32.2 -31.5 -31.5 -0.81| 8.2 -6.7 1500 333 6 34 5| 0.0 3.8 3.8| 0.6 -46.7 -46.0 -30.7 -0.86| 8.7 -7.5 2000 309 8 0 4| 0.0 3.5 3.5| 0.6 -52.4 -51.8 -25.9 -0.84| 7.8 -6.6 2500 288 9 305 3| 0.0 1.9 1.9| 0.6 -76.2 -75.6 -30.2 -0.84| 8.7 -7.4 3000 280 9 280 3| 0.6 1.6 2.2| 4.4 -80.3 -75.9 -25.3 -0.75| 8.5 -6.3 4000 273 8 250 2| 0.2 0.7 0.8| 8.1 -86.2 -78.2 -19.5 -0.69| 7.3 -5.0 5000 263 7 216 2| 0.4 0.5 0.9| 14.7 -86.2 -71.5 -14.3 -0.57| 6.3 -3.6 6000 250 8 203 4| 0.3 0.6 0.9| 16.8 -92.5 -75.6 -12.6 -0.51| 6.1 -3.1 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251207.12.gif