UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 29 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 97 1 925 791 SFC 912 908 21.2 20.5 96 0.7 20.7 360 3 302.2 305.3 297.1 352.1 16.88 3 899 1034 20.4 18.2 87 2.2 18.9 330 6 302.6 305.4 295.8 346.4 14.79 4 884 1181 23.2 14.2 57 9.0 17.1 294 9 307.0 309.2 294.8 341.9 11.59 5 870 1322 22.8 12.8 53 10.0 16.2 290 10 308.0 310.0 294.4 340.5 10.74 6 850 1526 21.2 12.2 56 9.0 15.3 300 11 308.4 310.3 294.4 340.4 10.56 7 705 3121 12.0 4.0 58 8.0 7.3 305 18 315.1 316.5 293.8 337.9 7.25 8 700 3181 11.4 4.4 62 7.0 7.3 305 16 315.1 316.6 294.0 338.7 7.51 9 655 3734 7.4 1.4 66 6.0 4.0 290 14 316.6 317.9 293.6 337.2 6.48 10 596 4504 0.6 -0.3 94 0.9 0.1 287 12 317.4 318.6 293.7 337.4 6.29 11 595 4518 0.6 -0.3 94 0.9 0.1 286 12 317.6 318.8 293.7 337.6 6.31 12 500 5900 -6.7 -7.0 98 0.3 -6.8 285 15 324.9 325.8 294.3 339.9 4.53 13 498 5931 -6.7 -7.0 98 0.3 -6.8 287 15 325.2 326.1 294.4 340.3 4.55 14 400 7610 -15.9 -16.4 96 0.5 -16.1 330 12 334.3 334.9 295.2 343.6 2.66 15 361 8380 -20.1 -23.0 78 2.9 -21.0 317 13 338.7 339.0 295.4 344.7 1.67 16 300 9730 -29.7 -32.1 80 2.4 -30.2 295 22 343.5 343.7 295.9 346.8 0.86 17 289 9995 -31.7 -34.1 79 2.4 -32.1 296 20 344.4 344.5 296.0 347.2 0.74 18 279 10242 -33.7 -40.7 49 7.0 -34.6 297 19 345.0 345.0 295.8 346.5 0.39 19 251 10973 -39.5 -50.5 30 11.0 -40.3 300 14 346.9 347.0 296.1 347.6 0.15 20 250 11000 -39.9 -49.9 34 10.0 -40.6 300 14 346.7 346.8 296.1 347.4 0.16 21 208 12225 -50.5 -57.5 43 7.0 -50.8 334 19 348.9 348.9 296.4 349.2 0.08 22 206 12288 -50.5 -63.5 20 13.0 -50.8 334 19 349.8 349.8 296.6 350.0 0.04 23 200 12480 -52.1 -62.1 29 10.0 -52.4 335 19 350.3 350.3 296.7 350.5 0.04 24 187 12911 -55.5 -62.5 41 7.0 -55.6 335 23 351.6 351.6 297.0 351.8 0.05 25 166 13659 -61.5 -73.5 19 12.0 -61.6 335 30 353.7 353.7 297.4 353.8 0.01 26 153 14160 -64.9 -74.9 24 10.0 -65.0 312 27 356.3 356.3 298.0 356.3 0.01 27 150 14280 -65.3 -76.3 20 11.0 -65.4 305 26 357.6 357.6 298.2 357.6 0.01 28 130 15141 -71.9 -77.9 40 6.0 -71.9 320 28 360.7 360.7 298.8 360.7 0.01 29 101 16613 -77.7 -85.7 26 8.0 -77.7 208 14 376.5 376.5 301.7 376.5 0.00 30 100 16670 -77.3 -85.3 27 8.0 -77.3 190 15 378.4 378.4 302.0 378.4 0.00 31 78 18081 -81.9 -88.9 29 7.0 -81.9 155 24 396.7 396.7 304.8 396.7 0.00 32 70 18690 -80.7 -89.7 21 9.0 -80.7 125 16 411.7 411.7 306.7 411.7 0.00 33 64 19193 -80.5 -89.5 21 9.0 -80.5 120 20 422.9 422.9 308.0 422.9 0.00 34 53 20284 -69.3 -88.3 5 19.0 -69.5 86 21 472.2 472.2 312.8 472.3 0.00 35 50 20630 -69.7 -88.7 5 19.0 -69.9 105 9 479.2 479.2 313.4 479.3 0.00 36 46 21130 -67.7 -88.7 3 21.0 -67.9 73 11 495.6 495.6 314.7 495.6 0.00 37 39 22135 -63.9 -88.9 2 25.0 -64.3 118 20 529.2 529.2 316.9 529.2 0.00 38 37 22461 -60.3 -87.3 2 27.0 -61.0 107 18 546.5 546.5 317.9 546.5 0.01 39 33 23173 -61.7 -87.7 2 26.0 -62.4 71 18 560.9 560.9 318.7 561.0 0.01 40 30 23770 -57.1 -85.1 2 28.0 -58.3 65 18 589.0 589.0 320.1 589.0 0.01 41 28 24208 -53.9 -83.9 1 30.0 -55.8 97 17 609.6 609.6 321.0 609.7 0.01 42 24 25199 -51.9 -82.9 1 31.0 -54.5 63 18 642.9 642.9 322.4 643.0 0.02 43 20 26370 -54.3 -84.3 1 30.0 -56.6 55 32 670.0 670.0 323.4 670.1 0.02 44 11 30276 -45.9 -80.9 1 35.0 -52.8 88 35 825.4 825.4 327.8 825.9 0.05 TRP 78 18081 -81.9 -88.9 29 7.0 -81.9 155 24 396.7 396.7 304.8 396.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 587.19 mb = 4631.17 m = 15193.96 ft Wetbulb zero: 593.13 mb = 4542.51 m = 14903.07 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 73.83 % Est. max temperature: 31.06 C = 87.91 F Sfc-Lift cond lev (LCL): 903.00 mb = 994.80 m = 3263.73 ft T: 20.65 C 700-500 lapse rate: 6.66 C/km ThetaE index: 14.17 C Layer 899.0- 700.0 mb Conv cond level (CCL): 687.08 mb = 3336.01 m = 10944.78 ft Mean mixing ratio: 11.52 g/kg Conv temperature: 34.19 C = 93.54 F Cap Strength: 4.33 C Lifted Index: -0.74 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.15 C Lifted Index @700 mb: 3.12 C Showalter Index: -0.10 C Risk: Thunderstorms probable Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 18.90 C K Index: 33.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 183.40 Risk: None Energy Index: -0.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 97.42 J/kg Max Up Vert Vel: 13.96 m/s Conv Inhibition (B-): 248.27 J/kg Cap Strength: 4.33 C Lift Cond Lev (LCL): 770.18 mb = 2367.07 m = 7765.87 ft Lev Free Conv (LFC): 615.18 mb = 4245.54 m = 13928.76 ft Equ Level (EL): 445.18 mb = 6790.11 m = 22277.00 ft B at Equ Level: 97.25 J/kg Max Parcel Lev (MPL): 345.18 mb = 8706.43 m = 28564.05 ft Wind level data Storm motion: 324 at 11 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 ---------------------------------------------------------- 0 912 908 360 3 -0.0 -3.0 | 132 8 -6.2 5.6 1 880 1219 285 10 9.7 -2.6 | 210 7 3.4 6.0 2 850 1524 300 10 8.7 -5.0 | 214 4 2.4 3.6 3 850 1526 300 11 9.5 -5.5 | 226 5 3.3 3.1 4 792 2134 330 14 7.0 -12.1 | 348 4 0.8 -3.5 5 764 2438 310 14 10.7 -9.0 | 275 5 4.5 -0.4 6 737 2743 320 17 10.9 -13.0 | 313 6 4.7 -4.4 7 711 3048 305 20 16.4 -11.5 | 286 11 10.1 -2.8 8 700 3181 305 16 13.1 -9.2 | 275 7 6.9 -0.5 9 660 3658 290 14 13.2 -4.8 | 241 8 6.9 3.8 10 612 4267 295 11 10.0 -4.6 | 223 5 3.7 4.0 11 546 5182 260 17 16.7 3.0 | 222 16 10.5 11.6 12 507 5791 270 16 16.0 -0.0 | 229 13 9.8 8.6 13 500 5900 285 15 14.5 -3.9 | 240 10 8.3 4.7 14 487 6096 300 13 11.3 -6.5 | 247 5 5.0 2.1 15 433 7010 300 20 17.3 -10.0 | 277 11 11.1 -1.4 16 416 7315 330 17 8.5 -14.7 | 340 7 2.3 -6.1 17 400 7610 330 12 6.0 -10.4 | 8 2 -0.2 -1.8 18 399 7620 335 13 5.5 -11.8 | 13 3 -0.7 -3.2 19 383 7925 320 10 6.4 -7.7 | 191 1 0.2 1.0 20 368 8230 320 12 7.7 -9.2 | 291 2 1.5 -0.6 21 312 9449 295 18 16.3 -7.6 | 264 10 10.1 1.0 22 300 9730 295 22 19.9 -9.3 | 273 14 13.7 -0.7 23 250 11000 300 14 12.1 -7.0 | 255 6 5.9 1.6 24 240 11278 300 14 12.1 -7.0 | 255 6 5.9 1.6 25 229 11582 330 18 9.0 -15.6 | 338 7 2.8 -7.0 26 200 12480 335 19 8.0 -17.2 | 348 9 1.8 -8.6 27 164 13716 335 31 13.1 -28.1 | 341 21 6.9 -19.5 28 150 14280 305 26 21.3 -14.9 | 293 16 15.1 -6.3 29 141 14630 300 26 22.5 -13.0 | 285 17 16.3 -4.4 30 127 15240 325 28 16.1 -22.9 | 326 17 9.8 -14.3 31 121 15545 315 25 17.7 -17.7 | 308 15 11.4 -9.0 32 115 15850 340 16 5.5 -15.0 | 7 6 -0.8 -6.4 33 104 16459 255 13 12.6 3.4 | 208 14 6.3 12.0 34 100 16670 190 15 2.6 14.8 | 171 24 -3.6 23.4 35 93 17069 190 15 2.6 14.8 | 171 24 -3.6 23.4 36 88 17374 155 15 -6.3 13.6 | 150 26 -12.6 22.2 37 79 17983 170 8 -1.4 7.9 | 155 18 -7.6 16.5 38 78 18081 155 24 -10.1 21.8 | 152 35 -16.4 30.4 39 75 18288 160 25 -8.6 23.5 | 155 35 -14.8 32.1 40 70 18690 125 16 -13.1 9.2 | 133 26 -19.3 17.8 41 68 18898 130 18 -13.8 11.6 | 135 28 -20.0 20.2 42 64 19202 120 20 -17.3 10.0 | 128 30 -23.6 18.6 43 58 19812 110 29 -27.3 9.9 | 119 38 -33.5 18.5 44 55 20117 80 23 -22.7 -4.0 | 99 29 -28.9 4.6 45 52 20422 90 20 -20.0 0.0 | 108 28 -26.2 8.6 46 50 20630 105 9 -8.7 2.3 | 126 19 -14.9 11.0 47 49 20726 65 12 -10.9 -5.1 | 102 17 -17.1 3.6 48 47 21031 95 12 -12.0 1.0 | 118 21 -18.2 9.7 49 45 21336 35 10 -5.7 -8.2 | 92 12 -12.0 0.4 50 42 21641 150 10 -5.0 8.7 | 147 21 -11.2 17.3 51 40 21946 125 21 -17.2 12.0 | 131 31 -23.4 20.7 52 37 22555 105 18 -17.4 4.7 | 119 27 -23.6 13.3 53 35 22860 105 16 -15.5 4.1 | 120 25 -21.7 12.8 54 33 23165 70 18 -16.9 -6.2 | 96 23 -23.1 2.5 55 32 23470 80 23 -22.7 -4.0 | 99 29 -28.9 4.6 56 30 23770 65 18 -16.3 -7.6 | 93 23 -22.5 1.0 57 30 23774 70 29 -27.3 -9.9 | 88 34 -33.5 -1.3 58 29 24079 90 19 -19.0 0.0 | 109 27 -25.2 8.6 59 27 24384 105 15 -14.5 3.9 | 121 24 -20.7 12.5 60 25 24994 80 22 -21.7 -3.8 | 100 28 -27.9 4.8 61 24 25298 55 16 -13.1 -9.2 | 88 19 -19.3 -0.5 62 23 25603 65 23 -20.8 -9.7 | 88 27 -27.1 -1.1 63 21 25908 20 24 -8.2 -22.6 | 46 20 -14.4 -13.9 64 20 26370 55 32 -26.2 -18.4 | 73 34 -32.4 -9.7 65 19 26518 35 30 -17.2 -24.6 | 56 28 -23.4 -15.9 66 18 26822 55 33 -27.0 -18.9 | 73 35 -33.3 -10.3 67 16 27127 40 26 -16.7 -19.9 | 64 26 -22.9 -11.3 68 15 27432 125 16 -13.1 9.2 | 133 26 -19.3 17.8 69 13 28042 85 30 -29.9 -2.6 | 99 37 -36.1 6.0 70 10 28956 90 39 -39.0 0.0 | 101 46 -45.2 8.6 71 8 29566 90 35 -35.0 0.0 | 102 42 -41.2 8.6 72 8 29870 65 36 -32.6 -15.2 | 80 39 -38.9 -6.6 Wind Parameters Mean winds (0-6000m): 294.1 at 14.2 knts Storm direction: 324.1 at 10.6 knts Shear (0-3000m) pos: 1.0 neg: 2.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 103.5 deg Storm rel helicity (0-3000m) pos: 17.8 neg: -24.6 tot: -6.9 m^2/s^2 ave: -2.3 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 18.11 Bulk Shear: 5.38 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 ------------------------------------------------------------------------------- 500 295 8 189 5| 0.0 9.4 9.4| 8.1 0.0 8.1 16.3 0.58| 12.3 7.2 1000 303 10 209 4| 2.9 4.7 7.6| 12.4 0.0 12.4 12.4 0.65| 9.3 6.0 1500 312 11 237 2| 1.9 3.8 5.7| 14.0 -3.7 10.4 6.9 0.41| 8.4 3.5 2000 313 12 265 3| 1.4 3.9 5.3| 17.8 -7.1 10.7 5.4 0.36| 8.0 2.9 2500 311 13 271 4| 1.2 2.9 4.0| 17.8 -19.1 -1.3 -0.5 0.14| 8.0 1.1 3000 307 13 264 4| 1.0 2.2 3.2| 17.8 -24.6 -6.9 -2.3 0.06| 7.2 0.5 4000 302 13 252 5| 0.7 2.3 3.0| 18.7 -27.8 -9.1 -2.3 0.03| 6.5 0.2 5000 293 14 244 7| 1.2 2.1 3.3| 31.1 -31.4 -0.3 -0.1 0.07| 6.3 0.5 6000 294 14 247 7| 1.3 1.9 3.2| 40.0 -31.4 8.6 1.4 0.13| 6.1 0.8 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251229.12.gif