UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 4 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 128 1 925 800 SFC 913 908 16.2 14.2 88 2.0 14.9 110 6 297.0 299.0 291.6 329.5 11.22 3 874 1279 12.4 12.3 99 0.1 12.3 86 5 296.8 298.6 290.7 326.7 10.34 4 850 1514 11.0 11.0 100 0.0 11.0 70 5 297.7 299.4 290.6 326.0 9.74 5 811 1905 9.2 9.2 100 0.0 9.2 168 5 299.8 301.4 290.7 326.4 9.04 6 797 2051 13.4 6.4 63 7.0 9.3 204 5 305.8 307.2 291.3 328.7 7.58 7 792 2104 13.6 5.6 58 8.0 8.9 217 5 306.5 307.9 291.3 328.4 7.22 8 732 2762 8.0 4.5 79 3.5 6.0 263 10 307.4 308.7 291.6 329.4 7.23 9 700 3130 5.8 -3.2 52 9.0 1.4 215 13 308.9 309.7 289.5 322.4 4.31 10 679 3379 4.4 -11.6 30 16.0 -2.1 225 13 310.0 310.5 287.9 317.5 2.32 11 632 3959 0.6 -20.4 19 21.0 -6.2 249 14 312.1 312.4 287.5 316.1 1.19 12 623 4074 1.4 -24.6 12 26.0 -6.4 244 14 314.3 314.5 287.8 317.2 0.84 13 568 4811 -4.3 -20.3 27 16.0 -9.4 202 16 316.1 316.3 288.9 320.6 1.34 14 553 5022 -3.9 -34.9 7 31.0 -10.9 190 19 319.0 319.0 288.8 320.3 0.36 15 500 5810 -9.5 -41.5 5 32.0 -15.2 220 18 321.5 321.5 289.4 322.2 0.20 16 458 6482 -14.1 -48.1 4 34.0 -18.8 201 34 323.9 323.9 290.0 324.3 0.11 17 453 6565 -13.7 -50.7 3 37.0 -18.6 197 36 325.4 325.4 290.5 325.7 0.08 18 400 7500 -19.9 -54.9 3 35.0 -23.5 175 47 329.1 329.1 291.5 329.3 0.06 19 390 7687 -21.7 -54.7 3 33.0 -25.0 175 47 329.2 329.2 291.5 329.4 0.06 20 329 8919 -28.9 -61.9 3 33.0 -31.1 214 45 335.7 335.7 293.3 335.8 0.03 21 300 9570 -34.7 -63.7 4 29.0 -36.2 220 49 336.5 336.5 293.4 336.6 0.02 22 284 9950 -38.1 -65.1 4 27.0 -39.2 215 51 336.9 336.9 293.6 337.0 0.02 23 261 10528 -41.1 -69.1 3 28.0 -42.1 221 50 340.7 340.7 294.5 340.8 0.01 24 250 10820 -42.1 -72.1 2 30.0 -43.0 240 44 343.5 343.5 295.1 343.5 0.01 25 200 12290 -53.7 -74.7 6 21.0 -54.0 240 57 347.7 347.7 296.1 347.8 0.01 26 188 12683 -56.3 -74.3 9 18.0 -56.5 242 60 349.7 349.7 296.6 349.8 0.01 27 151 14049 -62.1 -82.1 5 19.9 -62.3 250 71 362.4 362.4 299.2 362.4 0.00 28 150 14090 -62.3 -82.3 5 20.0 -62.4 250 71 362.8 362.8 299.2 362.8 0.00 29 134 14787 -62.9 -84.9 4 22.0 -63.0 246 64 373.6 373.6 301.2 373.6 0.00 30 100 16550 -72.7 -87.7 9 15.0 -72.8 230 37 387.3 387.3 303.4 387.3 0.00 31 89 17226 -77.1 -89.1 13 12.0 -77.1 275 33 391.6 391.6 304.0 391.6 0.00 32 83 17630 -72.9 -88.9 7 16.0 -73.0 257 38 408.1 408.1 306.3 408.1 0.00 33 71 18538 -75.9 -89.9 9 14.0 -75.9 214 16 420.3 420.3 307.7 420.3 0.00 34 70 18620 -74.3 -89.3 8 15.0 -74.3 215 17 425.4 425.4 308.3 425.4 0.00 35 64 19147 -69.3 -90.3 3 21.0 -69.4 182 14 447.4 447.4 310.6 447.5 0.00 36 61 19432 -70.9 -90.9 4 20.0 -71.0 44 14 450.1 450.1 310.8 450.1 0.00 37 55 20049 -67.9 -90.9 2 23.0 -68.1 27 11 470.5 470.5 312.7 470.5 0.00 38 54 20159 -68.5 -91.5 2 23.0 -68.7 38 11 471.6 471.6 312.8 471.6 0.00 39 50 20620 -67.7 -91.7 2 24.0 -67.9 80 13 484.0 484.0 313.8 484.0 0.00 40 45 21252 -68.5 -92.5 2 24.0 -68.7 59 11 496.8 496.8 314.7 496.8 0.00 41 42 21673 -61.7 -91.7 1 30.0 -62.3 83 11 523.6 523.6 316.5 523.6 0.00 42 38 22298 -57.7 -90.7 1 33.0 -58.7 121 22 548.9 548.9 318.1 549.0 0.00 43 30 23780 -60.3 -90.3 1 30.0 -61.2 80 34 580.3 580.3 319.7 580.3 0.00 44 29 23991 -60.7 -90.7 1 30.0 -61.6 84 34 584.8 584.8 319.9 584.8 0.00 45 25 24931 -54.1 -89.1 1 35.0 -56.1 70 23 629.1 629.1 321.9 629.2 0.01 46 21 26047 -55.5 -89.5 1 34.0 -57.5 80 28 657.1 657.1 323.0 657.1 0.01 47 20 26360 -53.5 -88.5 1 35.0 -56.1 90 26 672.4 672.4 323.5 672.5 0.01 48 18 27042 -51.1 -87.1 1 36.0 -54.5 90 26 700.6 700.6 324.4 700.6 0.01 TRP 89 17226 -77.1 -89.1 13 12.0 -77.1 275 33 391.6 391.6 304.0 391.6 0.00 WND 151 14049 -62.1 -82.1 5 19.9 -62.3 250 71 362.4 362.4 299.2 362.4 0.00 Sounding variables and indices 1000-500 mb thick: 5682.00 m Freezing level: 609.49 mb = 4255.35 m = 13960.95 ft Wetbulb zero: 691.48 mb = 3229.98 m = 10596.92 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 46.24 % Est. max temperature: 25.91 C = 78.64 F Sfc-Lift cond lev (LCL): 886.28 mb = 1160.63 m = 3807.80 ft T: 13.61 C 700-500 lapse rate: 5.71 C/km ThetaE index: 13.29 C Layer 700.0- 623.0 mb Conv cond level (CCL): 862.19 mb = 1394.03 m = 4573.52 ft Mean mixing ratio: 10.08 g/kg Conv temperature: 16.42 C = 61.56 F Cap Strength: 5.20 C Lifted Index: 3.25 C Risk: None Lifted Index @300 mb: 7.58 C Lifted Index @700 mb: 2.62 C Showalter Index: 3.72 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 20.50 C K Index: 22.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 160.00 Risk: None Energy Index: -0.62 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.21 J/kg Max Up Vert Vel: 5.69 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 4.98 C Lift Cond Lev (LCL): 856.89 mb = 1445.99 m = 4744.00 ft Lev Free Conv (LFC): 851.89 mb = 1495.31 m = 4905.80 ft Equ Level (EL): 811.89 mb = 1896.25 m = 6221.23 ft B at Equ Level: 14.44 J/kg Max Parcel Lev (MPL): 791.89 mb = 2105.30 m = 6907.07 ft Wind level data Storm motion: 239 at 12 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 ---------------------------------------------------------- 0 913 908 110 6 -5.6 2.1 | 76 16 -15.6 -4.0 1 850 1514 70 5 -4.7 -1.7 | 62 17 -14.7 -7.7 2 789 2134 225 5 3.5 3.5 | 69 7 -6.4 -2.5 3 761 2438 235 5 4.1 2.9 | 62 7 -5.9 -3.2 4 733 2743 265 10 10.0 0.9 | 0 5 -0.0 -5.2 5 707 3048 215 13 7.5 10.6 | 151 5 -2.5 4.6 6 700 3130 215 13 7.5 10.6 | 151 5 -2.5 4.6 7 631 3962 250 14 13.2 4.8 | 291 3 3.2 -1.2 8 607 4267 230 13 10.0 8.4 | 180 2 -0.0 2.3 9 584 4572 235 15 12.3 8.6 | 222 3 2.3 2.6 10 562 4877 190 17 3.0 16.7 | 147 13 -7.0 10.7 11 541 5182 190 21 3.6 20.7 | 157 16 -6.3 14.6 12 501 5791 220 18 11.6 13.8 | 192 8 1.6 7.8 13 500 5810 220 18 11.6 13.8 | 192 8 1.6 7.8 14 481 6096 215 24 13.8 19.7 | 196 14 3.8 13.6 15 427 7010 180 48 0.0 48.0 | 167 43 -10.0 42.0 16 400 7500 175 47 -4.1 46.8 | 161 43 -14.1 40.8 17 377 7925 175 47 -4.1 46.8 | 161 43 -14.1 40.8 18 361 8230 195 36 9.3 34.8 | 179 29 -0.6 28.7 19 346 8534 210 47 23.5 40.7 | 201 37 13.5 34.7 20 305 9449 220 43 27.6 32.9 | 213 32 17.7 26.9 21 300 9570 220 49 31.5 37.5 | 214 38 21.5 31.5 22 267 10363 210 53 26.5 45.9 | 203 43 16.5 39.9 23 250 10820 240 44 38.1 22.0 | 240 32 28.1 16.0 24 233 11278 245 47 42.6 19.9 | 247 35 32.6 13.8 25 200 12290 240 57 49.4 28.5 | 240 45 39.4 22.5 26 151 14049 250 71 66.7 24.3 | 252 60 56.8 18.2 27 150 14090 250 71 66.7 24.3 | 252 60 56.8 18.2 28 144 14326 250 71 66.7 24.3 | 252 60 56.8 18.2 29 100 16550 230 37 28.3 23.8 | 226 26 18.4 17.7 30 96 16764 230 37 28.3 23.8 | 226 26 18.4 17.7 31 89 17226 275 33 32.9 -2.9 | 291 25 22.9 -8.9 32 87 17374 270 30 30.0 -0.0 | 287 21 20.0 -6.0 33 82 17678 255 39 37.7 10.1 | 262 28 27.7 4.1 34 78 17983 225 36 25.5 25.5 | 219 25 15.5 19.4 35 74 18288 210 14 7.0 12.1 | 154 7 -3.0 6.1 36 70 18620 215 17 9.8 13.9 | 178 8 -0.2 7.9 37 67 18898 215 17 9.8 13.9 | 178 8 -0.2 7.9 38 63 19202 175 13 -1.1 13.0 | 122 13 -11.1 6.9 39 60 19507 5 14 -1.2 -13.9 | 29 23 -11.2 -20.0 40 57 19812 5 10 -0.9 -10.0 | 34 19 -10.8 -16.0 41 50 20620 80 13 -12.8 -2.3 | 70 24 -22.8 -8.3 42 49 20726 115 10 -9.1 4.2 | 85 19 -19.0 -1.8 43 47 21031 75 14 -13.5 -3.6 | 68 25 -23.5 -9.7 44 45 21336 55 10 -8.2 -5.7 | 57 22 -18.2 -11.8 45 42 21641 75 12 -11.6 -3.1 | 67 23 -21.6 -9.1 46 40 21946 115 9 -8.2 3.8 | 83 18 -18.1 -2.2 47 37 22555 125 31 -25.4 17.8 | 108 37 -35.4 11.7 48 35 22860 95 25 -24.9 2.2 | 84 35 -34.9 -3.9 49 30 23774 95 33 -32.9 2.9 | 86 43 -42.8 -3.2 50 30 23780 80 34 -33.5 -5.9 | 75 45 -43.4 -11.9 51 29 24079 85 34 -33.9 -3.0 | 78 45 -43.8 -9.0 52 26 24689 70 21 -19.7 -7.2 | 66 33 -29.7 -13.2 53 25 24994 70 23 -21.6 -7.9 | 66 35 -31.6 -13.9 54 24 25298 100 23 -22.7 4.0 | 86 33 -32.6 -2.0 55 23 25603 95 33 -32.9 2.9 | 86 43 -42.8 -3.2 56 20 26213 75 26 -25.1 -6.7 | 70 37 -35.1 -12.8 57 20 26360 90 26 -26.0 0.0 | 80 36 -36.0 -6.0 58 17 26822 90 26 -26.0 0.0 | 80 36 -36.0 -6.0 59 16 27127 80 19 -18.7 -3.3 | 72 30 -28.7 -9.3 60 15 27432 70 22 -20.7 -7.5 | 66 34 -30.6 -13.6 Wind Parameters Mean winds (0-6000m): 208.8 at 15.5 knts Storm direction: 238.8 at 11.6 knts Shear (0-3000m) pos: 3.2 neg: 0.1 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): -151.3 deg Storm rel helicity (0-3000m) pos: 27.1 neg: -29.8 tot: -2.7 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.36 Bulk Shear: 45.05 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 6 71 16| 0.0 3.4 3.4| 0.0 -14.2 -14.2 -28.4 -0.98| 3.4 -3.3 1000 100 5 71 16| 3.8 1.7 5.4| 22.4 -16.9 5.5 5.5 0.14| 6.4 0.9 1500 123 5 77 15| 3.4 1.1 4.5| 22.4 -22.7 -0.3 -0.2 -0.06| 6.2 -0.4 2000 208 6 84 7| 4.3 0.8 5.1| 22.5 -29.5 -7.0 -3.5 -0.08| 7.9 -0.6 2500 216 7 89 6| 3.4 0.1 3.5| 24.3 -29.8 -5.5 -2.2 -0.01| 7.9 -0.1 3000 225 8 89 4| 3.2 0.1 3.2| 27.1 -29.8 -2.7 -0.9 0.09| 7.5 0.7 4000 226 10 109 3| 2.4 1.9 4.3| 28.0 -47.0 -18.9 -4.7 -0.10| 8.0 -0.8 5000 217 12 142 5| 2.8 1.5 4.4| 59.0 -47.0 12.1 2.4 0.04| 8.0 0.3 6000 209 16 162 8| 2.4 3.9 6.2| 59.7-139.7 -80.0 -13.3 -0.08| 9.5 -0.7 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251204.12.gif