UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122412.upa.cvt Date: 1200Z 24 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 24 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 99 1 925 794 SFC 913 908 25.8 19.8 70 6.0 21.5 310 3 306.8 309.8 297.8 355.4 16.12 3 850 1534 20.6 14.6 68 6.0 16.5 310 17 307.7 310.0 295.6 345.2 12.39 4 731 2818 11.4 1.4 50 10.0 5.9 318 19 311.2 312.3 291.5 329.3 5.80 5 700 3180 9.2 -3.8 40 13.0 2.7 345 13 312.7 313.5 290.5 325.7 4.12 6 691 3287 9.0 -7.0 32 16.0 1.5 6 14 313.6 314.2 290.0 324.1 3.27 7 653 3752 5.0 -1.0 65 6.0 1.8 50 13 314.2 315.2 292.1 331.4 5.45 8 631 4031 4.6 -4.4 52 9.0 0.1 97 12 316.8 317.7 292.0 330.9 4.37 9 621 4161 3.6 0.1 78 3.5 1.7 119 11 317.1 318.4 293.6 336.9 6.22 10 608 4332 2.8 -0.2 81 3.0 1.2 145 11 318.2 319.4 293.8 338.0 6.22 11 593 4534 3.0 -5.0 56 8.0 -1.0 165 10 320.7 321.5 293.1 335.2 4.45 12 588 4603 3.2 -15.8 23 19.0 -4.2 165 10 321.7 322.0 291.2 328.1 1.90 13 584 4658 2.8 -7.2 48 10.0 -2.0 150 9 321.8 322.6 292.9 334.4 3.81 14 580 4714 2.8 -19.2 18 22.0 -5.1 134 8 322.5 322.8 291.0 327.4 1.44 15 570 4854 2.0 -30.0 7 32.0 -7.0 95 6 323.1 323.2 290.3 325.1 0.56 16 555 5069 0.6 -37.4 4 38.0 -8.4 35 2 324.0 324.0 290.3 325.0 0.28 17 550 5141 0.0 -16.0 29 16.0 -6.1 15 1 324.1 324.5 292.0 330.9 1.99 18 546 5200 0.2 -34.8 5 35.0 -8.6 360 0 325.0 325.1 290.7 326.4 0.36 19 513 5697 -2.3 -47.3 2 45.0 -10.8 349 4 327.8 327.8 291.2 328.2 0.10 20 500 5900 -3.9 -38.9 5 35.0 -11.6 345 6 328.3 328.3 291.5 329.3 0.26 21 445 6812 -9.5 -21.5 37 12.0 -13.4 354 9 332.4 332.7 293.8 337.8 1.54 22 400 7630 -14.3 -31.3 22 17.0 -18.3 310 8 336.4 336.5 294.1 339.0 0.70 23 391 7802 -15.5 -32.5 22 17.0 -19.3 301 9 337.0 337.2 294.2 339.4 0.64 24 368 8257 -16.7 -43.7 8 27.0 -21.2 305 13 341.3 341.4 294.8 342.2 0.22 25 300 9750 -29.1 -48.1 14 19.0 -31.2 295 11 344.4 344.4 295.5 345.0 0.16 26 275 10363 -35.1 -49.1 23 14.0 -36.3 290 10 344.4 344.4 295.5 345.0 0.16 27 250 11020 -39.7 -46.7 47 7.0 -40.3 225 8 347.0 347.1 296.2 348.0 0.23 28 207 12285 -50.1 -54.3 61 4.2 -50.3 9 4 350.0 350.0 296.7 350.5 0.12 29 200 12510 -51.7 -58.7 43 7.0 -52.0 35 3 350.9 350.9 296.9 351.2 0.07 30 199 12543 -52.1 -61.1 33 9.0 -52.4 33 3 350.8 350.8 296.8 351.0 0.05 31 191 12808 -54.1 -58.7 57 4.6 -54.2 15 3 351.7 351.7 297.1 352.0 0.07 32 168 13621 -60.7 -67.7 39 7.0 -60.8 18 14 353.8 353.9 297.5 354.0 0.03 33 150 14320 -65.1 -76.1 20 11.0 -65.2 330 5 357.9 357.9 298.3 358.0 0.01 34 139 14779 -68.5 -80.5 16 12.0 -68.5 35 5 359.8 359.8 298.7 359.9 0.00 35 108 16252 -78.1 -83.1 44 5.0 -78.1 90 11 368.6 368.6 300.3 368.6 0.00 36 100 16690 -78.5 -87.5 22 9.0 -78.5 75 7 376.1 376.1 301.6 376.1 0.00 37 77 18161 -83.3 -91.3 24 8.0 -83.3 55 17 395.3 395.3 304.5 395.3 0.00 38 70 18700 -77.1 -88.1 16 11.0 -77.1 85 9 419.4 419.4 307.6 419.4 0.00 39 66 19039 -75.5 -87.5 14 12.0 -75.6 80 19 430.0 430.0 308.9 430.1 0.00 40 59 19682 -78.9 -89.9 15 11.0 -78.9 110 35 436.4 436.4 309.5 436.4 0.00 41 52 20417 -70.1 -89.1 5 19.0 -70.2 71 27 473.0 473.0 312.9 473.0 0.00 42 50 20650 -69.7 -89.7 4 20.0 -69.9 65 23 479.2 479.2 313.4 479.3 0.00 43 39 22151 -65.5 -89.5 2 24.0 -65.8 76 22 525.2 525.2 316.6 525.2 0.00 44 34 23001 -58.9 -86.9 2 28.0 -59.8 101 25 563.5 563.5 318.8 563.6 0.01 45 30 23790 -57.7 -86.7 1 29.0 -58.9 100 31 587.3 587.3 320.0 587.4 0.01 46 20 26380 -52.7 -84.7 1 32.0 -55.5 95 23 674.9 674.9 323.6 675.0 0.02 47 12 29735 -45.1 -81.1 1 36.0 -52.0 81 23 807.9 808.0 327.4 808.4 0.05 TRP 77 18161 -83.3 -91.3 24 8.0 -83.3 55 17 395.3 395.3 304.5 395.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 543.36 mb = 5239.40 m = 17189.42 ft Wetbulb zero: 599.76 mb = 4442.54 m = 14575.09 ft Precipitable water: 1.14 inches Sfc-500 mean rel hum: 45.13 % Est. max temperature: 29.14 C = 84.45 F Sfc-Lift cond lev (LCL): 836.59 mb = 1669.42 m = 5477.02 ft T: 19.63 C 700-500 lapse rate: 4.82 C/km ThetaE index: 31.26 C Layer 850.0- 653.0 mb Conv cond level (CCL): 758.89 mb = 2499.52 m = 8200.44 ft Mean mixing ratio: 13.08 g/kg Conv temperature: 29.26 C = 84.66 F Cap Strength: 1.73 C Lifted Index: 0.06 C Risk: Showers probable Lifted Index @300 mb: 0.82 C Lifted Index @700 mb: -0.60 C Showalter Index: 0.83 C Risk: Thunderstorms probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 18.50 C K Index: 26.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 215.20 Risk: None Energy Index: -2.97 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 76.73 J/kg Max Up Vert Vel: 12.39 m/s Conv Inhibition (B-): 37.60 J/kg Cap Strength: 1.73 C Lift Cond Lev (LCL): 788.50 mb = 2173.60 m = 7131.16 ft Lev Free Conv (LFC): 723.50 mb = 2904.48 m = 9529.03 ft Equ Level (EL): 583.50 mb = 4664.98 m = 15304.88 ft B at Equ Level: 68.76 J/kg Max Parcel Lev (MPL): 333.50 mb = 8976.25 m = 29449.27 ft Wind level data Storm motion: 8 at 8 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 ---------------------------------------------------------- 0 913 908 310 3 2.3 -1.9 | 208 7 3.4 6.3 1 881 1219 295 10 9.1 -4.2 | 248 11 10.2 4.0 2 850 1534 310 17 13.0 -10.9 | 281 14 14.1 -2.7 3 792 2134 320 19 12.2 -14.6 | 295 15 13.3 -6.3 4 764 2438 325 21 12.0 -17.2 | 304 16 13.2 -8.9 5 737 2743 315 20 14.1 -14.1 | 291 16 15.3 -5.9 6 711 3048 330 14 7.0 -12.1 | 295 9 8.1 -3.9 7 700 3180 345 13 3.4 -12.6 | 314 6 4.5 -4.3 8 685 3353 20 14 -4.8 -13.2 | 37 6 -3.7 -4.9 9 660 3658 35 13 -7.5 -10.6 | 69 7 -6.3 -2.4 10 612 4267 140 11 -7.1 8.4 | 160 18 -6.0 16.7 11 589 4572 170 10 -1.7 9.8 | 178 18 -0.6 18.1 12 546 5182 0 0 -0.0 -0.0 | 188 8 1.1 8.3 13 500 5900 345 6 1.6 -5.8 | 227 4 2.7 2.5 14 488 6096 360 7 -0.0 -7.0 | 221 2 1.1 1.3 15 469 6401 15 10 -2.6 -9.7 | 47 2 -1.5 -1.4 16 400 7630 310 8 6.1 -5.1 | 247 8 7.2 3.1 17 384 7925 295 10 9.1 -4.2 | 248 11 10.2 4.0 18 369 8230 305 13 10.6 -7.5 | 266 12 11.8 0.8 19 354 8534 305 16 13.1 -9.2 | 274 14 14.2 -0.9 20 326 9144 280 15 14.8 -2.6 | 250 17 15.9 5.7 21 313 9449 300 14 12.1 -7.0 | 265 13 13.2 1.3 22 300 9750 295 11 10.0 -4.6 | 252 12 11.1 3.6 23 275 10363 290 10 9.4 -3.4 | 245 12 10.5 4.8 24 252 10973 245 10 9.1 4.2 | 219 16 10.2 12.5 25 250 11020 225 8 5.7 5.7 | 206 15 6.8 13.9 26 200 12510 35 3 -1.7 -2.5 | 174 6 -0.6 5.8 27 191 12802 15 3 -0.8 -2.9 | 184 5 0.3 5.4 28 173 13411 15 10 -2.6 -9.7 | 47 2 -1.5 -1.4 29 165 13716 20 17 -5.8 -16.0 | 31 9 -4.7 -7.7 30 150 14320 330 5 2.5 -4.3 | 223 5 3.6 3.9 31 150 14326 320 14 9.0 -10.7 | 284 10 10.1 -2.5 32 142 14630 25 4 -1.7 -3.6 | 173 5 -0.6 4.6 33 115 15850 115 10 -9.1 4.2 | 148 15 -8.0 12.5 34 110 16154 105 11 -10.6 2.8 | 139 15 -9.5 11.1 35 104 16459 50 12 -9.2 -7.7 | 94 8 -8.1 0.5 36 100 16690 75 7 -6.8 -1.8 | 139 9 -5.6 6.5 37 99 16764 15 13 -3.4 -12.6 | 28 5 -2.3 -4.3 38 93 17069 75 7 -6.8 -1.8 | 139 9 -5.6 6.5 39 89 17374 90 19 -19.0 0.0 | 115 20 -17.9 8.3 40 84 17678 50 28 -21.4 -18.0 | 64 23 -20.3 -9.7 41 79 17983 35 19 -10.9 -15.6 | 53 12 -9.8 -7.3 42 77 18161 55 17 -13.9 -9.8 | 83 13 -12.8 -1.5 43 75 18288 50 15 -11.5 -9.6 | 82 10 -10.4 -1.4 44 71 18593 45 26 -18.4 -18.4 | 60 20 -17.3 -10.1 45 70 18700 85 9 -9.0 -0.8 | 134 11 -7.9 7.5 46 68 18898 35 20 -11.5 -16.4 | 52 13 -10.4 -8.1 47 64 19202 130 17 -13.0 10.9 | 148 23 -11.9 19.2 48 58 19812 105 39 -37.7 10.1 | 117 41 -36.6 18.4 49 55 20117 80 32 -31.5 -5.6 | 95 31 -30.4 2.7 50 50 20650 65 23 -20.8 -9.7 | 86 20 -19.7 -1.5 51 49 20726 80 24 -23.6 -4.2 | 100 23 -22.5 4.1 52 47 21031 65 23 -20.8 -9.7 | 86 20 -19.7 -1.5 53 45 21336 70 22 -20.7 -7.5 | 92 20 -19.6 0.7 54 43 21641 85 20 -19.9 -1.7 | 109 20 -18.8 6.5 55 40 21946 80 21 -20.7 -3.6 | 103 20 -19.6 4.6 56 37 22555 70 23 -21.6 -7.9 | 91 21 -20.5 0.4 57 35 22860 100 20 -19.7 3.5 | 122 22 -18.6 11.7 58 32 23470 105 38 -36.7 9.8 | 117 40 -35.6 18.1 59 30 23774 85 31 -30.9 -2.7 | 101 30 -29.8 5.6 60 30 23790 100 31 -30.5 5.4 | 115 32 -29.4 13.6 61 29 24079 105 29 -28.0 7.5 | 120 31 -26.9 15.8 62 25 24994 65 19 -17.2 -8.0 | 91 16 -16.1 0.2 63 24 25298 80 11 -10.8 -1.9 | 123 12 -9.7 6.4 64 23 25603 120 10 -8.7 5.0 | 150 15 -7.5 13.3 65 22 25908 115 31 -28.1 13.1 | 128 34 -27.0 21.4 66 21 26213 90 29 -29.0 0.0 | 107 29 -27.9 8.3 67 20 26380 95 23 -22.9 2.0 | 115 24 -21.8 10.3 68 19 26518 105 23 -22.2 6.0 | 124 25 -21.1 14.2 69 16 27127 85 26 -25.9 -2.3 | 104 26 -24.8 6.0 70 13 28042 85 23 -22.9 -2.0 | 106 23 -21.8 6.3 71 11 28651 75 23 -22.2 -6.0 | 96 21 -21.1 2.3 72 9 29261 85 24 -23.9 -2.1 | 105 24 -22.8 6.2 73 8 29870 75 24 -23.2 -6.2 | 95 22 -22.1 2.1 Wind Parameters Mean winds (0-6000m): 337.7 at 11.1 knts Storm direction: 7.7 at 8.3 knts Shear (0-3000m) pos: 3.7 neg: 1.3 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): -90.2 deg Storm rel helicity (0-3000m) pos: 102.4 neg: -12.9 tot: 89.6 m^2/s^2 ave: 29.9 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 9.7 stream: 6.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 12.24 Bulk Shear: 6.27 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 ------------------------------------------------------------------------------- 500 299 9 245 10| 0.0 11.5 11.5| 25.4 0.0 25.4 50.7 0.84| 12.1 10.2 1000 308 13 268 11| 2.7 5.8 8.5| 44.4 0.0 44.4 44.4 0.87| 8.9 7.7 1500 314 15 280 12| 3.1 3.8 6.9| 58.6 0.0 58.6 39.1 0.88| 7.2 6.4 2000 316 16 285 13| 2.3 2.0 4.3| 60.4 -12.9 47.6 23.8 0.57| 7.3 4.1 2500 321 16 290 12| 3.5 1.6 5.2| 78.4 -12.9 65.6 26.2 0.63| 9.1 5.7 3000 330 15 300 10| 3.7 1.3 5.1|102.4 -12.9 89.6 29.9 0.68| 9.7 6.6 4000 332 14 298 9| 2.6 1.9 4.5|169.5 -33.8 135.7 33.9 0.57| 11.1 6.3 5000 331 12 286 7| 2.1 2.3 4.4|180.9 -33.8 147.2 29.4 0.58| 10.0 5.8 6000 338 11 291 6| 1.8 2.1 3.9|181.1 -35.6 145.4 24.2 0.51| 9.2 4.7 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251224.12.gif