UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 9 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 86 1 925 771 SFC 910 908 19.2 18.2 94 1.0 18.5 150 3 300.3 303.0 295.1 343.1 14.60 3 881 1187 16.6 16.4 99 0.2 16.5 82 14 300.4 302.9 294.3 339.8 13.44 4 851 1486 18.4 14.1 76 4.3 15.5 51 19 305.3 307.5 294.6 341.2 11.97 5 850 1496 18.4 14.1 76 4.3 15.5 50 19 305.4 307.7 294.6 341.3 11.99 6 801 2004 17.0 8.0 55 9.0 11.4 35 25 309.2 310.7 293.0 334.9 8.43 7 700 3138 8.2 3.9 74 4.3 5.7 40 22 311.6 312.9 292.8 334.0 7.25 8 618 4155 0.2 -0.1 98 0.3 0.0 42 19 313.7 314.9 292.5 333.0 6.16 9 587 4568 -0.9 -1.3 97 0.4 -1.1 22 22 317.1 318.2 293.3 336.0 5.94 10 500 5840 -6.3 -6.9 95 0.6 -6.6 10 21 325.4 326.3 294.4 340.5 4.56 11 449 6677 -10.5 -11.8 90 1.3 -11.1 351 21 330.2 330.9 294.8 342.0 3.45 12 400 7560 -15.7 -17.3 87 1.6 -16.3 295 17 334.6 335.1 295.1 343.2 2.46 13 381 7924 -18.3 -18.7 97 0.4 -18.4 286 20 335.8 336.3 295.3 344.0 2.29 14 344 8677 -23.5 -25.8 81 2.3 -24.1 290 23 338.7 339.0 295.2 343.7 1.36 15 300 9660 -31.1 -34.2 74 3.1 -31.6 290 28 341.5 341.7 295.3 344.2 0.70 16 271 10375 -37.1 -39.5 78 2.4 -37.4 290 32 342.9 343.0 295.4 344.7 0.46 17 250 10930 -41.7 -46.1 62 4.4 -42.1 290 35 344.1 344.1 295.5 345.1 0.24 18 249 10957 -41.9 -46.9 58 5.0 -42.3 290 31 344.2 344.2 295.6 345.1 0.23 19 240 11205 -43.7 -48.3 60 4.6 -44.0 288 31 345.1 345.1 295.7 345.9 0.20 20 226 11606 -47.5 -50.1 74 2.6 -47.6 283 37 345.3 345.3 295.7 346.0 0.17 21 204 12273 -53.5 -57.5 62 4.0 -53.6 276 46 346.1 346.1 295.8 346.4 0.08 22 200 12400 -54.7 -59.1 58 4.4 -54.8 275 48 346.1 346.2 295.8 346.4 0.07 23 195 12561 -55.9 -60.7 55 4.8 -56.0 275 52 346.7 346.8 296.0 347.0 0.06 24 175 13235 -61.9 -65.8 59 3.9 -62.0 275 68 347.8 347.8 296.1 347.9 0.03 25 171 13377 -63.1 -64.6 82 1.5 -63.1 275 72 348.1 348.1 296.3 348.2 0.04 26 167 13522 -63.3 -67.6 56 4.3 -63.4 275 75 350.1 350.1 296.7 350.2 0.03 27 165 13596 -63.9 -68.3 55 4.4 -64.0 275 77 350.3 350.3 296.7 350.4 0.02 28 156 13935 -66.9 -71.7 51 4.8 -67.0 268 76 350.9 350.9 296.8 350.9 0.02 29 154 14012 -67.5 -75.5 31 8.0 -67.5 265 75 351.2 351.2 296.9 351.2 0.01 30 150 14170 -67.7 -78.7 19 11.0 -67.8 260 74 353.5 353.5 297.4 353.5 0.01 31 146 14333 -67.3 -80.3 14 13.0 -67.4 260 74 356.9 356.9 298.1 356.9 0.00 32 124 15300 -75.9 -83.9 27 8.0 -75.9 255 60 358.3 358.3 298.4 358.4 0.00 33 113 15840 -73.9 -84.9 17 11.0 -73.9 260 48 371.7 371.7 300.9 371.7 0.00 34 100 16550 -76.5 -85.5 23 9.0 -76.5 230 29 379.9 379.9 302.2 379.9 0.00 35 98 16667 -72.1 -86.1 10 14.0 -72.2 230 29 390.7 390.7 303.9 390.7 0.00 36 95 16850 -71.3 -86.3 9 15.0 -71.3 229 28 395.7 395.7 304.6 395.7 0.00 37 72 18467 -75.1 -88.1 11 13.0 -75.2 246 12 420.3 420.3 307.7 420.3 0.00 38 70 18630 -74.7 -88.7 10 14.0 -74.7 215 13 424.6 424.6 308.2 424.6 0.00 39 62 19336 -74.5 -89.5 8 15.0 -74.6 190 24 440.0 440.0 309.8 440.0 0.00 40 52 20385 -64.5 -88.5 2 24.0 -64.8 161 13 486.0 486.0 313.9 486.0 0.00 TRP 124 15300 -75.9 -83.9 27 8.0 -75.9 255 60 358.3 358.3 298.4 358.4 0.00 WND 165 13596 -63.9 -68.3 55 4.4 -64.0 275 77 350.3 350.3 296.7 350.4 0.02 Sounding variables and indices 1000-500 mb thick: 5754.00 m Freezing level: 612.36 mb = 4230.22 m = 13878.50 ft Wetbulb zero: 617.45 mb = 4162.26 m = 13655.56 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 83.59 % Est. max temperature: 28.73 C = 83.71 F Sfc-Lift cond lev (LCL): 896.93 mb = 1032.83 m = 3388.52 ft T: 18.04 C 700-500 lapse rate: 5.37 C/km ThetaE index: 8.30 C Layer 801.0- 587.0 mb Conv cond level (CCL): 745.37 mb = 2609.83 m = 8562.32 ft Mean mixing ratio: 12.15 g/kg Conv temperature: 29.07 C = 84.32 F Cap Strength: 4.03 C Lifted Index: 0.48 C Risk: Showers probable Lifted Index @300 mb: 2.92 C Lifted Index @700 mb: 0.50 C Showalter Index: -0.05 C Risk: Thunderstorms probable Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 20.40 C K Index: 34.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 228.20 Risk: None Energy Index: -0.24 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 130.41 J/kg Max Up Vert Vel: 16.15 m/s Conv Inhibition (B-): 141.49 J/kg Cap Strength: 3.93 C Lift Cond Lev (LCL): 817.59 mb = 1828.88 m = 6000.18 ft Lev Free Conv (LFC): 682.59 mb = 3343.56 m = 10969.55 ft Equ Level (EL): 512.59 mb = 5642.78 m = 18512.85 ft B at Equ Level: 129.61 J/kg Max Parcel Lev (MPL): 372.59 mb = 8088.49 m = 26536.72 ft Wind level data Storm motion: 54 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 ---------------------------------------------------------- 0 910 908 150 3 -1.5 2.6 | 223 16 11.1 11.8 1 909 914 110 10 -9.4 3.4 | 194 13 3.2 12.7 2 850 1496 50 19 -14.6 -12.2 | 33 4 -2.0 -3.0 3 847 1524 55 17 -13.9 -9.8 | 69 1 -1.3 -0.5 4 817 1829 35 27 -15.5 -22.1 | 13 13 -2.9 -12.9 5 788 2134 35 23 -13.2 -18.8 | 4 10 -0.6 -9.6 6 760 2438 45 18 -12.7 -12.7 | 2 3 -0.1 -3.5 7 733 2743 50 16 -12.3 -10.3 | 342 1 0.3 -1.0 8 700 3138 40 22 -14.1 -16.9 | 11 8 -1.5 -7.6 9 656 3658 30 21 -10.5 -18.2 | 347 9 2.1 -8.9 10 608 4267 45 19 -13.4 -13.4 | 11 4 -0.8 -4.2 11 564 4877 355 26 2.3 -25.9 | 318 22 14.9 -16.7 12 543 5182 15 25 -6.5 -24.1 | 338 16 6.1 -14.9 13 523 5486 360 22 -0.0 -22.0 | 315 18 12.6 -12.8 14 500 5840 10 21 -3.6 -20.7 | 322 15 8.9 -11.4 15 484 6096 360 22 -0.0 -22.0 | 315 18 12.6 -12.8 16 447 6706 350 21 3.6 -20.7 | 305 20 16.2 -11.4 17 413 7315 300 20 17.3 -10.0 | 271 30 29.9 -0.8 18 400 7560 295 17 15.4 -7.2 | 266 28 28.0 2.1 19 397 7620 310 16 12.3 -10.3 | 272 25 24.9 -1.0 20 381 7925 285 20 19.3 -5.2 | 263 32 31.9 4.1 21 365 8230 290 21 19.7 -7.2 | 266 32 32.3 2.1 22 300 9660 290 28 26.3 -9.6 | 270 39 38.9 -0.3 23 271 10363 290 32 30.1 -10.9 | 272 43 42.7 -1.7 24 250 10930 290 35 32.9 -12.0 | 273 46 45.5 -2.7 25 248 10973 290 28 26.3 -9.6 | 270 39 38.9 -0.3 26 200 12400 275 48 47.8 -4.2 | 265 61 60.4 5.1 27 165 13596 275 77 76.7 -6.7 | 268 89 89.3 2.5 28 162 13716 275 77 76.7 -6.7 | 268 89 89.3 2.5 29 150 14170 260 74 72.9 12.8 | 256 88 85.5 22.1 30 132 14935 260 74 72.9 12.8 | 256 88 85.5 22.1 31 124 15300 255 60 58.0 15.5 | 251 75 70.6 24.8 32 113 15850 260 48 47.3 8.3 | 254 62 59.9 17.6 33 100 16550 230 29 22.2 18.6 | 231 45 34.8 27.9 34 96 16764 230 29 22.2 18.6 | 231 45 34.8 27.9 35 87 17374 220 24 15.4 18.4 | 225 39 28.0 27.6 36 82 17678 205 26 11.0 23.6 | 216 40 23.6 32.8 37 78 17983 185 14 1.2 13.9 | 211 27 13.8 23.2 38 74 18288 280 11 10.8 -1.9 | 253 25 23.4 7.3 39 70 18630 215 13 7.5 10.6 | 225 28 20.1 19.9 40 62 19202 190 24 4.2 23.6 | 207 37 16.8 32.9 41 59 19507 185 22 1.9 21.9 | 205 34 14.5 31.2 42 55 19812 175 27 -2.4 26.9 | 196 38 10.2 36.1 43 52 20117 160 12 -4.1 11.3 | 202 22 8.5 20.5 44 49 20422 165 12 -3.1 11.6 | 204 23 9.5 20.8 45 43 21031 25 5 -2.1 -4.5 | 246 11 10.5 4.7 Wind Parameters Mean winds (0-6000m): 23.7 at 20.8 knts Storm direction: 53.7 at 15.6 knts Shear (0-3000m) pos: 1.7 neg: 5.3 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 131.3 deg Storm rel helicity (0-3000m) pos: 2.5 neg: -63.2 tot: -60.7 m^2/s^2 ave: -20.2 10^-3 m/s^2 rel: -0.46 Storm rel vorticity (0-3000m) horiz: 10.1 stream: -4.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.49 Bulk Shear: 37.40 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 77 14 173 6| 0.0 18.5 18.5| 0.0 -41.9 -41.9 -83.9 -0.77| 23.1-17.7 1000 54 18 57 2| 0.0 14.1 14.1| 0.0 -51.7 -51.7 -51.7 -0.66| 18.4-12.0 1500 47 19 22 4| 2.8 9.4 12.2| 0.1 -55.4 -55.2 -36.8 -0.56| 15.2 -8.5 2000 47 19 19 4| 2.2 7.0 9.2| 0.6 -55.7 -55.1 -27.6 -0.49| 12.7 -6.3 2500 45 19 15 4| 1.8 6.4 8.2| 0.7 -59.9 -59.2 -23.7 -0.48| 11.4 -5.4 3000 43 20 8 5| 1.7 5.3 7.0| 2.5 -63.2 -60.7 -20.2 -0.46| 10.1 -4.6 4000 38 20 357 7| 1.3 4.9 6.2| 4.6 -96.5 -91.9 -23.0 -0.43| 10.4 -4.5 5000 30 21 346 9| 1.5 3.9 5.4| 37.4-124.1 -86.6 -17.3 -0.35| 10.2 -3.5 6000 24 21 337 11| 1.3 3.2 4.5| 37.4-173.9-136.4 -22.7 -0.39| 9.6 -3.8 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251209.00.gif