UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 20 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 140 1 925 818 SFC 915 908 20.2 16.7 80 3.5 17.8 90 9 300.9 303.3 294.2 339.6 13.18 3 892 1128 16.6 14.5 87 2.1 15.3 72 11 299.4 301.5 292.7 333.6 11.72 4 861 1431 14.2 12.7 91 1.5 13.3 52 12 299.9 301.9 292.2 331.5 10.78 5 850 1540 13.6 11.7 88 1.9 12.4 45 12 300.4 302.3 291.8 330.4 10.21 6 829 1750 12.2 10.2 88 2.0 11.0 350 13 301.1 302.8 291.5 329.0 9.47 7 820 1842 14.4 10.3 76 4.1 11.9 331 14 304.3 306.1 292.6 333.2 9.64 8 801 2040 15.4 1.4 39 14.0 7.8 351 15 307.5 308.4 289.9 323.7 5.29 9 783 2232 15.2 -16.8 10 32.0 2.8 11 17 309.2 309.5 286.6 313.6 1.31 10 770 2374 15.8 -24.2 5 40.0 2.2 27 19 311.4 311.5 286.6 313.8 0.70 11 700 3176 11.4 -24.6 6 36.0 -0.6 135 5 315.1 315.3 288.0 317.7 0.74 12 687 3332 10.4 -20.6 9 31.0 -0.7 132 7 315.7 315.9 288.5 319.4 1.08 13 627 4084 3.8 -22.2 13 26.0 -4.7 130 15 316.5 316.7 288.8 320.0 1.03 14 562 4967 0.0 -29.0 9 29.0 -8.1 168 23 322.1 322.2 290.0 324.3 0.62 15 500 5890 -7.9 -25.9 22 18.0 -12.9 195 24 323.4 323.6 290.7 326.7 0.93 16 437 6918 -17.7 -29.7 34 12.0 -20.3 191 24 323.7 323.8 290.7 326.4 0.75 17 430 7039 -18.5 -35.5 21 17.0 -21.5 190 24 324.2 324.3 290.5 325.8 0.43 18 417 7269 -17.1 -55.1 2 38.0 -21.4 192 26 328.8 328.8 291.5 329.0 0.05 19 400 7580 -18.7 -55.7 2 37.0 -22.7 195 29 330.7 330.7 292.0 330.9 0.05 20 361 8336 -23.5 -60.5 2 37.0 -26.6 207 35 334.1 334.1 292.9 334.2 0.03 21 331 8966 -25.7 -62.7 2 37.0 -28.6 214 45 339.5 339.5 294.2 339.6 0.03 22 306 9529 -30.1 -58.1 5 28.0 -32.2 211 51 341.0 341.0 294.6 341.2 0.05 23 300 9670 -30.9 -63.9 2 33.0 -33.0 210 52 341.8 341.8 294.8 341.9 0.02 24 267 10487 -36.0 -62.3 5 26.3 -37.4 215 65 346.0 346.0 295.8 346.1 0.03 25 252 10885 -38.5 -61.5 7 23.0 -39.6 215 61 348.0 348.0 296.3 348.2 0.04 26 250 10940 -39.1 -62.1 7 23.0 -40.2 215 60 347.9 347.9 296.2 348.1 0.04 27 200 12430 -50.1 -76.1 3 26.0 -50.6 220 54 353.4 353.4 297.4 353.5 0.01 28 174 13320 -57.5 -78.5 5 21.0 -57.7 213 48 355.6 355.6 297.8 355.6 0.00 29 150 14240 -63.7 -80.7 8 17.0 -63.8 240 28 360.3 360.3 298.8 360.4 0.00 30 141 14620 -65.7 -83.7 6 18.0 -65.8 239 29 363.3 363.3 299.3 363.3 0.00 31 100 16660 -77.1 -91.1 9 14.0 -77.1 170 32 378.8 378.8 302.1 378.8 0.00 32 91 17198 -80.1 -92.1 12 12.0 -80.1 165 28 383.2 383.2 302.8 383.2 0.00 33 72 18529 -78.9 -89.9 15 11.0 -78.9 102 21 412.3 412.3 306.8 412.3 0.00 34 70 18690 -76.5 -88.5 13 12.0 -76.6 105 23 420.7 420.7 307.8 420.7 0.00 35 62 19383 -78.3 -90.3 13 12.0 -78.3 113 22 431.6 431.6 309.0 431.6 0.00 36 50 20640 -67.9 -89.9 3 22.0 -68.1 120 27 483.5 483.5 313.7 483.5 0.00 37 48 20886 -65.9 -88.9 3 23.0 -66.2 114 24 493.9 493.9 314.5 493.9 0.00 38 44 21413 -66.3 -89.3 3 23.0 -66.6 98 23 505.4 505.4 315.3 505.4 0.00 39 40 21997 -60.7 -87.7 2 27.0 -61.3 82 19 533.4 533.4 317.1 533.4 0.00 40 34 23014 -57.7 -85.7 2 28.0 -58.7 81 15 566.7 566.7 319.0 566.7 0.01 41 30 23800 -59.5 -86.5 2 27.0 -60.4 80 25 582.4 582.4 319.8 582.5 0.01 42 27 24458 -60.7 -86.7 2 26.0 -61.6 67 30 596.9 596.9 320.5 596.9 0.01 43 20 26360 -53.1 -82.1 2 29.0 -55.7 85 25 673.6 673.6 323.6 673.8 0.02 44 15 28238 -47.5 -79.5 1 32.0 -52.6 99 25 750.0 750.0 326.0 750.4 0.05 TRP 91 17198 -80.1 -92.1 12 12.0 -80.1 165 28 383.2 383.2 302.8 383.2 0.00 WND 267 10487 -36.0 -62.3 5 26.3 -37.4 215 65 346.0 346.0 295.8 346.1 0.03 Sounding variables and indices 1000-500 mb thick: 5750.00 m Freezing level: 562.00 mb = 4966.92 m = 16295.47 ft Wetbulb zero: 714.39 mb = 3004.78 m = 9858.10 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 26.92 % Est. max temperature: 30.67 C = 87.20 F Sfc-Lift cond lev (LCL): 869.02 mb = 1351.27 m = 4433.25 ft T: 14.83 C 700-500 lapse rate: 7.11 C/km ThetaE index: 19.61 C Layer 801.0- 770.0 mb Conv cond level (CCL): 829.33 mb = 1746.69 m = 5730.53 ft Mean mixing ratio: 10.84 g/kg Conv temperature: 20.36 C = 68.65 F Cap Strength: 6.70 C Lifted Index: 2.16 C Risk: None Lifted Index @300 mb: 7.81 C Lifted Index @700 mb: 6.22 C Showalter Index: 3.15 C Risk: None Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 19.60 C K Index: -2.80 Risk: None Sweat Index: 188.40 Risk: None Energy Index: -0.58 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.59 J/kg Max Up Vert Vel: 6.26 m/s Conv Inhibition (B-): 685.13 J/kg Cap Strength: 6.63 C Lift Cond Lev (LCL): 834.94 mb = 1690.05 m = 5544.72 ft Lev Free Conv (LFC): 449.94 mb = 6695.22 m = 21965.67 ft Equ Level (EL): 419.94 mb = 7215.92 m = 23674.01 ft B at Equ Level: 9.43 J/kg Max Parcel Lev (MPL): 409.94 mb = 7396.29 m = 24265.75 ft Wind level data Storm motion: 190 at 13 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 ---------------------------------------------------------- 0 915 908 90 9 -9.0 0.0 | 41 17 -11.2 -12.9 1 882 1219 65 12 -10.9 -5.1 | 36 22 -13.0 -17.9 2 850 1540 45 12 -8.5 -8.5 | 27 24 -10.7 -21.4 3 821 1829 330 14 7.0 -12.1 | 349 25 4.8 -25.0 4 792 2134 360 16 -0.0 -16.0 | 4 29 -2.2 -28.9 5 764 2438 35 20 -11.5 -16.4 | 25 32 -13.6 -29.2 6 737 2743 20 18 -6.2 -16.9 | 16 31 -8.3 -29.8 7 711 3048 65 1 -0.9 -0.4 | 13 14 -3.1 -13.3 8 700 3176 135 5 -3.5 3.5 | 31 11 -5.7 -9.3 9 659 3658 125 10 -8.2 5.7 | 55 13 -10.4 -7.1 10 635 3962 120 15 -13.0 7.5 | 71 16 -15.2 -5.4 11 611 4267 150 14 -7.0 12.1 | 85 9 -9.2 -0.7 12 589 4572 160 25 -8.6 23.5 | 135 15 -10.7 10.6 13 526 5486 180 21 0.0 21.0 | 165 8 -2.2 8.1 14 500 5890 195 24 6.2 23.2 | 201 11 4.0 10.3 15 487 6096 200 26 8.9 24.4 | 210 13 6.7 11.6 16 431 7010 190 24 4.2 23.6 | 191 11 2.0 10.8 17 400 7580 195 29 7.5 28.0 | 199 16 5.3 15.1 18 366 8230 205 33 13.9 29.9 | 215 21 11.8 17.0 19 336 8839 215 44 25.2 36.0 | 225 33 23.1 23.2 20 300 9670 210 52 26.0 45.0 | 217 40 23.8 32.2 21 267 10487 215 65 37.3 53.2 | 221 54 35.1 40.4 22 260 10668 215 65 37.3 53.2 | 221 54 35.1 40.4 23 250 10940 215 60 34.4 49.1 | 222 49 32.2 36.3 24 200 12430 220 54 34.7 41.4 | 229 43 32.5 28.5 25 189 12802 220 54 34.7 41.4 | 229 43 32.5 28.5 26 180 13106 215 53 30.4 43.4 | 223 42 28.2 30.6 27 155 14021 205 32 13.5 29.0 | 215 20 11.4 16.1 28 150 14240 240 28 24.2 14.0 | 267 22 22.1 1.1 29 148 14326 230 25 19.2 16.1 | 259 17 17.0 3.2 30 141 14630 240 29 25.1 14.5 | 266 23 22.9 1.6 31 134 14935 210 33 16.5 28.6 | 222 21 14.3 15.7 32 121 15545 215 29 16.6 23.8 | 233 18 14.5 10.9 33 100 16660 170 32 -5.6 31.5 | 157 20 -7.7 18.6 34 93 17069 170 32 -5.6 31.5 | 157 20 -7.7 18.6 35 91 17198 165 28 -7.2 27.0 | 146 17 -9.4 14.2 36 84 17678 165 27 -7.0 26.1 | 145 16 -9.2 13.2 37 79 17983 130 20 -15.3 12.9 | 90 17 -17.5 -0.0 38 75 18288 130 27 -20.7 17.4 | 101 23 -22.9 4.5 39 71 18593 95 20 -19.9 1.7 | 63 25 -22.1 -11.1 40 70 18690 105 23 -22.2 6.0 | 74 25 -24.4 -6.9 41 68 18898 115 30 -27.2 12.7 | 90 29 -29.4 -0.2 42 64 19202 100 19 -18.7 3.3 | 65 23 -20.9 -9.6 43 58 19812 140 28 -18.0 21.4 | 113 22 -20.2 8.6 44 55 20117 105 19 -18.4 4.9 | 69 22 -20.5 -7.9 45 50 20640 120 27 -23.4 13.5 | 91 26 -25.6 0.6 46 49 20726 100 22 -21.7 3.8 | 69 25 -23.8 -9.0 47 47 21031 125 25 -20.5 14.3 | 94 23 -22.6 1.5 48 45 21336 95 21 -20.9 1.8 | 64 26 -23.1 -11.0 49 43 21641 105 29 -28.0 7.5 | 80 31 -30.2 -5.4 50 40 21946 80 20 -19.7 -3.5 | 53 27 -21.9 -16.3 51 39 22250 90 14 -14.0 0.0 | 51 21 -16.2 -12.9 52 35 22860 65 18 -16.3 -7.6 | 42 28 -18.5 -20.5 53 33 23165 95 13 -13.0 1.1 | 52 19 -15.1 -11.7 54 32 23470 85 13 -13.0 -1.1 | 47 21 -15.1 -14.0 55 30 23774 70 10 -9.4 -3.4 | 35 20 -11.6 -16.3 56 30 23800 80 25 -24.6 -4.3 | 57 32 -26.8 -17.2 57 29 24079 80 24 -23.6 -4.2 | 57 31 -25.8 -17.0 58 26 24689 60 33 -28.6 -16.5 | 46 43 -30.7 -29.4 59 25 24994 55 24 -19.7 -13.8 | 39 34 -21.8 -26.6 60 24 25298 100 12 -11.8 2.1 | 52 18 -14.0 -10.8 61 23 25603 70 31 -29.1 -10.6 | 53 39 -31.3 -23.5 62 21 25908 90 31 -31.0 0.0 | 69 36 -33.2 -12.9 63 20 26360 85 25 -24.9 -2.2 | 61 31 -27.1 -15.0 64 19 26518 85 33 -32.9 -2.9 | 66 38 -35.0 -15.7 65 18 26822 80 27 -26.6 -4.7 | 59 34 -28.8 -17.6 66 16 27127 105 26 -25.1 6.7 | 77 28 -27.3 -6.1 67 14 27737 90 24 -24.0 0.0 | 64 29 -26.2 -12.9 68 12 28042 115 26 -23.6 11.0 | 86 26 -25.7 -1.9 69 11 28346 95 29 -28.9 2.5 | 72 33 -31.1 -10.3 Wind Parameters Mean winds (0-6000m): 159.6 at 17.4 knts Storm direction: 189.6 at 13.0 knts Shear (0-3000m) pos: 3.7 neg: 2.3 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 27.5 deg Storm rel helicity (0-3000m) pos: 181.7 neg: -170.8 tot: 11.0 m^2/s^2 ave: 3.7 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 13.3 stream: 0.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.34 Bulk Shear: 56.85 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 69 11 37 21| 0.0 7.4 7.4| 0.0 -22.6 -22.6 -45.1 -0.50| 8.1 -4.1 1000 40 12 24 24| 0.0 10.2 10.2| 2.7-135.6-132.9 -132.9 -0.78| 13.5-10.6 1500 24 14 17 26| 5.5 6.8 12.3|124.1-135.6 -11.5 -7.7 -0.12| 14.7 -1.7 2000 26 14 18 27| 3.5 5.1 8.6|146.3-163.8 -17.6 -8.8 -0.09| 14.7 -1.4 2500 29 13 19 25| 4.4 4.1 8.5|163.0-170.8 -7.8 -3.1 -0.02| 14.5 -0.3 3000 42 12 25 24| 3.7 2.3 6.0|181.7-170.8 11.0 3.7 0.05| 13.3 0.7 4000 87 14 50 21| 4.4 1.8 6.1|233.2-170.8 62.4 15.6 0.20| 12.7 2.6 5000 130 16 79 14| 3.6 1.4 5.0|259.2-170.8 88.5 17.7 0.27| 11.4 3.1 6000 160 17 113 9| 3.1 1.1 4.2|264.6-182.5 82.1 13.7 0.24| 10.1 2.4 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251220.12.gif