UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 3 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 58 1 925 749 SFC 908 908 21.4 19.2 87 2.2 19.9 100 5 302.8 305.7 296.4 349.0 15.61 3 900 985 19.6 18.8 95 0.8 19.1 116 5 301.7 304.5 296.0 346.9 15.35 4 897 1014 21.4 17.6 79 3.8 18.8 122 5 303.9 306.5 295.8 346.2 14.26 5 890 1082 22.2 17.2 73 5.0 18.7 136 6 305.4 308.0 296.0 347.3 14.01 6 850 1482 19.2 15.4 79 3.8 16.6 220 7 306.3 308.7 295.6 345.5 13.06 7 735 2714 11.0 2.0 54 9.0 6.0 229 26 310.3 311.4 291.4 329.0 6.02 8 700 3120 8.0 1.0 61 7.0 4.2 225 25 311.3 312.5 291.6 329.7 5.89 9 663 3564 4.2 1.0 80 3.2 2.5 222 20 311.9 313.1 292.1 331.3 6.22 10 639 3863 3.8 -11.2 32 15.0 -2.5 221 17 314.8 315.3 289.7 323.1 2.54 11 634 3927 3.4 -9.6 38 13.0 -2.3 220 17 315.0 315.6 290.1 324.5 2.91 12 608 4265 2.0 -29.0 8 31.0 -6.6 239 19 317.2 317.3 288.5 319.3 0.57 13 578 4671 -1.1 -13.1 40 12.0 -5.8 227 22 318.2 318.7 290.6 326.2 2.41 14 573 4740 -1.5 -15.5 34 14.0 -6.7 233 23 318.5 318.9 290.3 325.2 2.00 15 557 4966 -0.7 -45.7 2 45.0 -9.4 244 25 322.1 322.1 289.5 322.5 0.11 16 513 5618 -4.3 -46.3 2 42.0 -11.9 243 23 325.4 325.4 290.5 325.9 0.12 17 509 5680 -4.1 -48.1 2 44.0 -11.9 247 23 326.4 326.4 290.8 326.8 0.10 18 500 5820 -5.1 -41.1 4 36.0 -12.4 255 25 326.8 326.9 291.0 327.6 0.21 19 470 6303 -8.7 -27.7 20 19.0 -13.8 267 32 328.2 328.4 292.0 331.2 0.83 20 459 6486 -9.9 -47.9 3 38.0 -16.0 269 33 328.9 328.9 291.5 329.4 0.11 21 452 6604 -10.9 -25.9 28 15.0 -15.0 270 33 329.1 329.3 292.4 332.8 1.02 22 431 6968 -13.3 -51.3 2 38.0 -18.6 274 35 330.6 330.6 292.0 330.9 0.08 23 409 7364 -17.1 -33.1 24 16.0 -20.4 282 32 330.7 330.8 292.4 332.8 0.57 24 406 7419 -17.7 -24.7 54 7.0 -19.6 283 32 330.6 330.8 293.1 335.1 1.27 25 400 7530 -18.1 -28.1 41 10.0 -20.5 285 31 331.5 331.7 293.0 334.9 0.95 26 355 8411 -23.7 -42.7 16 19.0 -26.3 249 49 335.4 335.5 293.4 336.4 0.25 27 328 8988 -25.1 -59.1 3 34.0 -28.0 245 70 341.2 341.2 294.7 341.4 0.04 28 324 9077 -25.5 -58.5 3 33.0 -28.4 246 73 341.8 341.8 294.8 342.0 0.04 29 300 9630 -29.7 -45.7 20 16.0 -31.5 255 80 343.5 343.6 295.4 344.4 0.21 30 255 10765 -40.1 -43.8 68 3.7 -40.4 273 74 344.5 344.6 295.7 345.7 0.31 31 250 10900 -41.3 -46.2 59 4.9 -41.7 275 73 344.7 344.7 295.7 345.6 0.24 32 241 11149 -43.1 -53.1 32 10.0 -43.7 278 72 345.6 345.6 295.7 346.1 0.11 33 225 11610 -47.5 -53.5 50 6.0 -47.8 281 72 345.7 345.7 295.8 346.2 0.12 34 200 12380 -54.1 -58.2 61 4.1 -54.2 285 72 347.1 347.1 296.1 347.4 0.07 35 197 12477 -54.7 -58.4 63 3.7 -54.8 285 70 347.6 347.7 296.2 348.0 0.07 36 191 12673 -56.5 -61.3 55 4.8 -56.6 280 73 347.8 347.9 296.2 348.1 0.05 37 184 12908 -58.9 -61.1 76 2.2 -58.9 274 76 347.7 347.7 296.2 347.9 0.06 38 181 13011 -59.7 -63.1 64 3.4 -59.7 271 78 348.0 348.0 296.3 348.2 0.04 39 178 13115 -59.5 -69.5 26 10.0 -59.6 269 80 350.0 350.0 296.7 350.1 0.02 40 174 13256 -59.9 -72.9 17 13.0 -60.0 265 82 351.6 351.6 297.0 351.7 0.01 41 169 13438 -60.9 -74.4 15 13.4 -61.1 260 85 352.9 352.9 297.3 352.9 0.01 42 152 14089 -64.7 -79.7 11 15.0 -64.8 256 63 357.3 357.3 298.1 357.3 0.00 43 150 14170 -63.1 -81.1 7 18.0 -63.2 255 58 361.4 361.4 299.0 361.4 0.00 44 140 14593 -62.9 -84.9 4 22.0 -63.0 259 50 368.9 368.9 300.4 368.9 0.00 45 104 16363 -75.5 -88.5 11 13.0 -75.5 270 44 377.6 377.6 301.9 377.6 0.00 46 100 16590 -75.1 -88.1 11 13.0 -75.2 280 38 382.6 382.6 302.6 382.6 0.00 47 85 17528 -77.3 -89.3 13 12.0 -77.3 263 32 396.4 396.4 304.7 396.4 0.00 48 82 17736 -74.3 -88.3 10 14.0 -74.3 257 30 406.6 406.6 306.1 406.6 0.00 49 73 18408 -77.7 -88.7 15 11.0 -77.7 289 14 413.2 413.2 306.9 413.2 0.00 50 70 18650 -75.5 -88.5 11 13.0 -75.6 260 11 422.9 422.9 308.0 422.9 0.00 51 65 19079 -75.1 -91.1 7 16.0 -75.2 265 10 432.8 432.8 309.1 432.8 0.00 52 64 19170 -69.7 -88.7 5 19.0 -69.8 265 8 446.6 446.6 310.6 446.6 0.00 53 59 19653 -71.7 -90.7 4 19.0 -71.8 310 15 452.6 452.6 311.1 452.6 0.00 54 50 20640 -67.1 -91.1 2 24.0 -67.3 345 5 485.4 485.4 313.9 485.4 0.00 55 41 21858 -60.5 -90.5 1 30.0 -61.2 138 9 530.2 530.2 316.9 530.2 0.00 56 37 22496 -61.7 -89.7 1 28.0 -62.3 121 25 542.9 542.9 317.7 542.9 0.00 57 30 23810 -57.1 -89.1 1 32.0 -58.4 85 16 589.0 589.0 320.1 589.0 0.00 58 26 24724 -52.9 -86.9 1 34.0 -55.1 120 24 625.5 625.5 321.7 625.6 0.01 59 22 25803 -52.5 -86.5 1 34.0 -55.1 92 26 657.3 657.3 323.0 657.4 0.01 TRP 104 16363 -75.5 -88.5 11 13.0 -75.5 270 44 377.6 377.6 301.9 377.6 0.00 WND 169 13438 -60.9 -74.4 15 13.4 -61.1 260 85 352.9 352.9 297.3 352.9 0.01 Sounding variables and indices 1000-500 mb thick: 5762.00 m Freezing level: 588.65 mb = 4527.01 m = 14852.21 ft Wetbulb zero: 651.05 mb = 3711.84 m = 12177.80 ft Precipitable water: 1.06 inches Sfc-500 mean rel hum: 45.24 % Est. max temperature: 27.89 C = 82.20 F Sfc-Lift cond lev (LCL): 879.40 mb = 1186.41 m = 3892.39 ft T: 21.42 C 700-500 lapse rate: 4.85 C/km ThetaE index: 18.28 C Layer 850.0- 700.0 mb Conv cond level (CCL): 771.39 mb = 2304.81 m = 7561.64 ft Mean mixing ratio: 12.90 g/kg Conv temperature: 27.42 C = 81.36 F Cap Strength: 1.77 C Lifted Index: -0.14 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.69 C Lifted Index @700 mb: -1.04 C Showalter Index: -0.49 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 20.50 C K Index: 32.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 223.80 Risk: None Energy Index: -3.42 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 331.25 J/kg Max Up Vert Vel: 25.74 m/s Conv Inhibition (B-): 40.28 J/kg Cap Strength: 1.77 C Lift Cond Lev (LCL): 805.89 mb = 1933.86 m = 6344.62 ft Lev Free Conv (LFC): 730.89 mb = 2761.15 m = 9058.79 ft Equ Level (EL): 330.89 mb = 8923.81 m = 29277.24 ft B at Equ Level: 324.34 J/kg Max Parcel Lev (MPL): 170.89 mb = 13368.69 m = 43860.01 ft Wind level data Storm motion: 271 at 16 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 ---------------------------------------------------------- 0 908 908 100 5 -4.9 0.9 | 93 21 -20.6 1.0 1 850 1482 220 7 4.5 5.4 | 116 12 -11.2 5.5 2 846 1524 240 10 8.7 5.0 | 126 9 -7.0 5.2 3 816 1829 210 12 6.0 10.4 | 137 14 -9.7 10.6 4 787 2134 220 12 7.7 9.2 | 140 12 -8.0 9.4 5 759 2438 225 17 12.0 12.0 | 163 13 -3.7 12.2 6 732 2743 230 27 20.7 17.4 | 196 18 5.0 17.5 7 700 3120 225 25 17.7 17.7 | 186 18 2.0 17.8 8 630 3962 220 16 10.3 12.3 | 156 14 -5.4 12.4 9 607 4267 240 19 16.5 9.5 | 185 10 0.8 9.7 10 584 4572 220 21 13.5 16.1 | 172 16 -2.2 16.2 11 562 4877 245 25 22.7 10.6 | 213 13 7.0 10.7 12 521 5486 235 23 18.8 13.2 | 193 14 3.1 13.4 13 502 5791 255 23 22.2 6.0 | 227 9 6.5 6.1 14 500 5820 255 25 24.1 6.5 | 232 11 8.5 6.6 15 482 6096 265 31 30.9 2.7 | 259 15 15.2 2.9 16 428 7010 275 35 34.9 -3.1 | 279 19 19.2 -2.9 17 400 7530 285 31 29.9 -8.0 | 299 16 14.3 -7.9 18 395 7620 280 30 29.5 -5.2 | 290 15 13.9 -5.0 19 363 8230 260 38 37.4 6.6 | 253 23 21.7 6.8 20 349 8534 240 57 49.4 28.5 | 230 44 33.7 28.7 21 308 9449 250 84 78.9 28.7 | 245 70 63.2 28.9 22 300 9630 255 80 77.3 20.7 | 251 65 61.6 20.9 23 250 10900 275 73 72.7 -6.4 | 276 57 57.0 -6.2 24 236 11278 280 72 70.9 -12.5 | 283 57 55.2 -12.3 25 200 12380 285 72 69.5 -18.6 | 289 57 53.9 -18.5 26 196 12497 285 70 67.6 -18.1 | 289 55 51.9 -18.0 27 169 13438 260 85 83.7 14.8 | 258 70 68.0 14.9 28 162 13716 260 85 83.7 14.8 | 258 70 68.0 14.9 29 150 14170 255 58 56.0 15.0 | 249 43 40.3 15.2 30 139 14630 260 49 48.3 8.5 | 255 34 32.6 8.7 31 125 15240 255 47 45.4 12.2 | 247 32 29.7 12.3 32 113 15850 270 37 37.0 -0.0 | 270 21 21.3 0.2 33 104 16363 270 44 44.0 -0.0 | 270 28 28.3 0.2 34 100 16590 280 38 37.4 -6.6 | 286 23 21.7 -6.4 35 97 16764 280 38 37.4 -6.6 | 286 23 21.7 -6.4 36 83 17678 260 31 30.5 5.4 | 250 16 14.8 5.5 37 79 17983 245 27 24.5 11.4 | 217 15 8.8 11.6 38 75 18288 285 13 12.6 -3.4 | 44 4 -3.1 -3.2 39 71 18593 295 15 13.6 -6.3 | 19 7 -2.1 -6.2 40 70 18650 260 11 10.8 1.9 | 113 5 -4.9 2.1 41 67 18898 265 16 15.9 1.4 | 189 2 0.2 1.6 42 64 19202 265 7 7.0 0.6 | 95 9 -8.7 0.8 43 61 19507 335 14 5.9 -12.7 | 38 16 -9.8 -12.5 44 55 20117 235 16 13.1 9.2 | 165 10 -2.6 9.3 45 52 20422 230 15 11.5 9.6 | 157 11 -4.2 9.8 46 50 20640 345 5 1.3 -4.8 | 72 15 -14.4 -4.7 47 49 20726 100 1 -1.0 0.2 | 91 17 -16.7 0.3 48 41 21946 140 10 -6.4 7.7 | 109 23 -22.1 7.8 49 39 22250 135 25 -17.7 17.7 | 118 38 -33.4 17.8 50 32 23470 70 26 -24.4 -8.9 | 78 41 -40.1 -8.7 51 30 23774 90 17 -17.0 0.0 | 90 33 -32.7 0.2 52 30 23810 85 16 -15.9 -1.4 | 88 32 -31.6 -1.2 53 28 24079 75 19 -18.4 -4.9 | 82 34 -34.0 -4.8 54 26 24384 120 24 -20.8 12.0 | 108 38 -36.5 12.2 55 24 24689 95 24 -23.9 2.1 | 93 40 -39.6 2.3 56 21 25298 90 28 -28.0 0.0 | 90 44 -43.7 0.2 57 18 25908 90 16 -16.0 0.0 | 90 32 -31.7 0.2 Wind Parameters Mean winds (0-6000m): 240.6 at 20.9 knts Storm direction: 270.6 at 15.7 knts Shear (0-3000m) pos: 5.1 neg: 1.7 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 66.0 deg Storm rel helicity (0-3000m) pos: 100.8 neg: -42.5 tot: 58.3 m^2/s^2 ave: 19.4 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 2.7 10^-3/s Energy-Hel index: 0.21 Bulk Rich Number: 6.00 Bulk Shear: 55.22 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 ------------------------------------------------------------------------------- 500 164 6 108 18| 9.6 0.0 9.6| 38.6 0.0 38.6 77.1 0.71| 11.1 7.9 1000 209 8 122 14| 7.5 0.0 7.5| 51.3 0.0 51.3 51.3 0.57| 10.8 6.2 1500 215 10 129 13| 6.8 0.0 6.8| 67.7 0.0 67.7 45.1 0.63| 9.3 5.8 2000 221 13 145 12| 7.6 0.0 7.6|100.8 -3.9 96.9 48.5 0.64| 9.8 6.3 2500 223 15 156 13| 6.1 0.9 7.0|100.8 -23.5 77.3 30.9 0.47| 8.9 4.2 3000 223 16 158 13| 5.1 1.7 6.8|100.8 -42.5 58.3 19.4 0.32| 8.3 2.7 4000 225 17 164 13| 5.0 1.3 6.3|149.9 -48.5 101.4 25.3 0.40| 9.0 3.6 5000 230 19 173 12| 4.5 1.2 5.7|175.8 -62.0 113.8 22.8 0.39| 8.7 3.4 6000 241 21 194 11| 4.4 1.0 5.4|214.0 -62.0 152.0 25.3 0.44| 8.3 3.6 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251203.00.gif