UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 8 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 1 925 790 SFC 912 908 20.4 19.1 92 1.3 19.5 90 4 301.4 304.2 295.9 346.8 15.44 3 894 1081 18.6 17.8 95 0.8 18.1 98 15 301.3 303.9 295.3 343.9 14.49 4 863 1388 21.6 5.6 35 16.0 12.1 108 25 307.4 308.7 291.0 327.7 6.62 5 850 1521 20.8 8.8 46 12.0 13.3 110 27 307.9 309.5 292.6 333.5 8.39 6 814 1894 19.2 3.2 35 16.0 10.0 125 15 310.1 311.2 291.3 328.4 5.92 7 715 2992 10.2 4.2 66 6.0 6.7 219 10 311.9 313.3 292.9 334.4 7.25 8 704 3121 9.8 -2.2 43 12.0 3.6 216 10 312.8 313.7 291.0 327.4 4.62 9 700 3168 9.4 -2.6 43 12.0 3.3 220 10 312.9 313.8 290.9 327.2 4.51 10 670 3528 6.2 -8.8 33 15.0 -0.4 235 9 313.3 313.8 289.6 322.7 2.93 11 645 3839 5.4 -31.6 5 37.0 -4.7 245 6 315.8 315.8 287.8 317.3 0.42 12 641 3890 5.2 -30.8 5 36.0 -4.7 247 6 316.1 316.2 288.0 317.7 0.46 13 540 5265 -3.9 -37.9 5 34.0 -11.2 325 1 321.1 321.2 289.4 322.1 0.27 14 522 5532 -4.3 -39.3 5 35.0 -11.6 342 1 323.8 323.8 290.2 324.7 0.24 15 516 5623 -4.1 -32.1 9 28.0 -11.1 349 0 325.1 325.2 290.8 326.9 0.50 16 507 5761 -5.5 -23.5 23 18.0 -11.0 358 0 325.0 325.3 291.5 329.0 1.13 17 500 5870 -6.1 -30.1 13 24.0 -12.3 260 2 325.6 325.7 291.1 327.9 0.63 18 450 6683 -12.1 -49.1 3 37.0 -17.6 243 11 328.0 328.0 291.3 328.4 0.10 19 417 7259 -16.9 -26.9 42 10.0 -19.4 236 14 329.1 329.3 292.4 332.7 1.01 20 400 7570 -18.9 -34.9 23 16.0 -21.9 225 13 330.4 330.5 292.3 332.3 0.49 21 387 7817 -19.1 -55.1 3 36.0 -23.1 226 17 333.3 333.3 292.7 333.5 0.06 22 300 9660 -34.1 -55.1 10 21.0 -35.5 225 26 337.3 337.3 293.7 337.6 0.07 23 279 10162 -38.5 -51.5 24 13.0 -39.4 225 31 338.0 338.1 294.0 338.5 0.12 24 276 10236 -38.7 -56.7 13 18.0 -39.7 225 34 338.8 338.8 294.1 339.1 0.06 25 265 10514 -39.3 -61.3 8 22.0 -40.4 225 46 341.9 341.9 294.8 342.1 0.04 26 250 10910 -42.3 -59.3 14 17.0 -43.0 225 63 343.2 343.2 295.1 343.4 0.05 27 224 11643 -47.9 -65.9 11 18.0 -48.4 235 91 345.6 345.6 295.7 345.7 0.02 28 202 12316 -53.1 -72.1 8 19.0 -53.4 235 88 347.7 347.7 296.1 347.7 0.01 29 200 12380 -53.5 -71.5 9 18.0 -53.8 235 88 348.0 348.0 296.2 348.1 0.01 30 195 12542 -54.7 -65.7 24 11.0 -54.9 235 86 348.7 348.7 296.4 348.8 0.03 31 184 12911 -57.1 -76.1 7 19.0 -57.3 236 82 350.6 350.6 296.8 350.6 0.01 32 158 13856 -65.3 -76.3 20 11.0 -65.4 239 72 352.3 352.3 297.1 352.4 0.01 33 150 14170 -67.9 -77.9 23 10.0 -67.9 240 69 353.1 353.1 297.3 353.1 0.01 34 128 15108 -74.7 -80.7 39 6.0 -74.7 239 64 357.3 357.3 298.1 357.3 0.00 35 114 15779 -76.3 -83.3 32 7.0 -76.3 240 51 366.3 366.3 299.9 366.3 0.00 36 106 16205 -70.3 -88.3 5 18.0 -70.4 235 47 385.4 385.4 303.1 385.4 0.00 37 100 16550 -72.3 -88.3 7 16.0 -72.3 200 23 388.0 388.0 303.5 388.0 0.00 38 89 17230 -75.3 -90.3 8 15.0 -75.3 231 21 395.2 395.2 304.5 395.2 0.00 39 84 17564 -75.7 -89.7 9 14.0 -75.7 243 24 401.0 401.0 305.3 401.0 0.00 40 79 17922 -72.3 -88.3 7 16.0 -72.3 225 24 415.1 415.1 307.2 415.1 0.00 41 72 18465 -74.3 -89.3 8 15.0 -74.3 259 14 422.0 422.0 307.9 422.0 0.00 42 71 18547 -71.9 -88.9 6 17.0 -72.0 289 11 428.8 428.8 308.7 428.8 0.00 43 70 18630 -72.5 -89.5 6 17.0 -72.6 310 20 429.3 429.3 308.7 429.3 0.00 44 66 18976 -73.9 -89.9 7 16.0 -74.0 296 18 433.5 433.5 309.2 433.5 0.00 45 60 19538 -72.1 -91.1 4 19.0 -72.2 247 5 449.5 449.5 310.8 449.5 0.00 46 54 20172 -65.3 -90.3 2 25.0 -65.6 201 11 478.9 478.9 313.4 479.0 0.00 47 50 20640 -67.1 -90.1 2 23.0 -67.3 95 13 485.4 485.4 313.9 485.4 0.00 48 45 21276 -67.5 -91.5 2 24.0 -67.7 99 12 499.2 499.2 314.9 499.2 0.00 49 30 23780 -57.5 -88.5 1 31.0 -58.7 60 12 587.9 587.9 320.0 587.9 0.01 50 22 25761 -51.1 -86.1 1 35.0 -54.1 84 14 661.5 661.5 323.1 661.6 0.01 51 20 26380 -50.9 -85.9 1 35.0 -54.1 95 18 680.4 680.4 323.8 680.5 0.01 52 17 27439 -50.3 -85.3 1 35.0 -54.1 110 18 714.7 714.7 324.9 714.8 0.02 53 17 27439 -50.3 -86.3 1 36.0 -54.1 110 18 714.7 714.7 324.9 714.8 0.01 TRP 114 15779 -76.3 -83.3 32 7.0 -76.3 240 51 366.3 366.3 299.9 366.3 0.00 WND 224 11643 -47.9 -65.9 11 18.0 -48.4 235 91 345.6 345.6 295.7 345.7 0.02 Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 583.29 mb = 4675.43 m = 15339.15 ft Wetbulb zero: 673.62 mb = 3484.06 m = 11430.52 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 30.36 % Est. max temperature: 29.79 C = 85.63 F Sfc-Lift cond lev (LCL): 895.00 mb = 1071.53 m = 3515.47 ft T: 18.70 C 700-500 lapse rate: 5.74 C/km ThetaE index: 19.18 C Layer 894.0- 850.0 mb Conv cond level (CCL): 681.25 mb = 3391.39 m = 11126.49 ft Mean mixing ratio: 9.55 g/kg Conv temperature: 31.83 C = 89.30 F Cap Strength: 4.72 C Lifted Index: 2.85 C Risk: None Lifted Index @300 mb: 3.09 C Lifted Index @700 mb: 3.40 C Showalter Index: 3.52 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 26.90 C Cross Totals Index: 14.90 C K Index: 23.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 161.60 Risk: None Energy Index: -0.97 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.77 J/kg Max Up Vert Vel: 9.46 m/s Conv Inhibition (B-): 33104.63 J/kg Cap Strength: 4.72 C Lift Cond Lev (LCL): 750.63 mb = 2580.00 m = 8464.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 212 at 6 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 90 4 -4.0 0.0 | 54 9 -7.3 -5.2 1 880 1219 105 23 -22.2 6.0 | 92 26 -25.5 0.7 2 850 1521 110 27 -25.4 9.2 | 98 29 -28.7 4.0 3 850 1524 110 28 -26.3 9.6 | 98 30 -29.6 4.3 4 820 1829 115 16 -14.5 6.8 | 95 18 -17.8 1.5 5 791 2134 165 12 -3.1 11.6 | 135 9 -6.4 6.4 6 763 2438 200 5 1.7 4.7 | 71 2 -1.6 -0.5 7 736 2743 255 10 9.7 2.6 | 293 7 6.4 -2.6 8 710 3048 210 10 5.0 8.7 | 207 4 1.7 3.4 9 700 3168 220 10 6.4 7.7 | 232 4 3.1 2.4 10 684 3353 230 10 7.7 6.4 | 255 5 4.4 1.2 11 610 4267 260 3 3.0 0.5 | 4 5 -0.3 -4.7 12 505 5791 0 0 -0.0 -0.0 | 32 6 -3.3 -5.2 13 500 5870 260 2 2.0 0.3 | 15 5 -1.3 -4.9 14 485 6096 210 3 1.5 2.6 | 34 3 -1.8 -2.6 15 466 6401 230 10 7.7 6.4 | 255 5 4.4 1.2 16 448 6706 245 11 10.0 4.6 | 275 7 6.7 -0.6 17 430 7010 245 15 13.6 6.3 | 264 10 10.3 1.1 18 400 7570 225 13 9.2 9.2 | 236 7 5.9 4.0 19 397 7620 220 13 8.4 10.0 | 227 7 5.1 4.7 20 381 7925 230 19 14.6 12.2 | 238 13 11.3 7.0 21 365 8230 235 16 13.1 9.2 | 248 11 9.8 3.9 22 350 8534 255 10 9.7 2.6 | 293 7 6.4 -2.6 23 336 8839 230 11 8.4 7.1 | 250 5 5.1 1.8 24 322 9144 220 21 13.5 16.1 | 223 15 10.2 10.9 25 300 9660 225 26 18.4 18.4 | 229 20 15.1 13.2 26 283 10058 225 27 19.1 19.1 | 229 21 15.8 13.9 27 250 10910 225 63 44.5 44.5 | 226 57 41.3 39.3 28 224 11643 235 91 74.5 52.2 | 237 85 71.3 47.0 29 216 11887 235 91 74.5 52.2 | 237 85 71.3 47.0 30 200 12380 235 88 72.1 50.5 | 237 82 68.8 45.2 31 150 14170 240 69 59.8 34.5 | 243 64 56.5 29.3 32 132 14935 240 63 54.6 31.5 | 243 58 51.3 26.3 33 119 15545 235 68 55.7 39.0 | 237 62 52.4 33.8 34 114 15779 240 51 44.2 25.5 | 244 46 40.9 20.3 35 107 16154 240 51 44.2 25.5 | 244 46 40.9 20.3 36 100 16550 200 23 7.9 21.6 | 196 17 4.6 16.4 37 96 16764 200 23 7.9 21.6 | 196 17 4.6 16.4 38 87 17374 240 21 18.2 10.5 | 251 16 14.9 5.3 39 82 17678 245 26 23.6 11.0 | 254 21 20.3 5.8 40 74 18288 195 20 5.2 19.3 | 188 14 1.9 14.1 41 70 18593 305 10 8.2 -5.7 | 336 12 4.9 -11.0 42 70 18630 310 20 15.3 -12.9 | 326 22 12.0 -18.1 43 67 18898 310 20 15.3 -12.9 | 326 22 12.0 -18.1 44 64 19202 260 13 12.8 2.3 | 287 10 9.5 -3.0 45 60 19507 250 5 4.7 1.7 | 338 4 1.4 -3.5 46 55 20117 215 11 6.3 9.0 | 219 5 3.0 3.8 47 52 20422 150 10 -5.0 8.7 | 112 9 -8.3 3.4 48 50 20640 95 13 -13.0 1.1 | 76 17 -16.2 -4.1 49 47 21031 95 14 -13.9 1.2 | 77 18 -17.2 -4.0 50 45 21336 100 12 -11.8 2.1 | 78 15 -15.1 -3.1 51 42 21641 80 13 -12.8 -2.3 | 65 18 -16.1 -7.5 52 40 21946 160 15 -5.1 14.1 | 136 12 -8.4 8.9 53 38 22250 125 21 -17.2 12.0 | 108 22 -20.5 6.8 54 37 22555 115 19 -17.2 8.0 | 98 21 -20.5 2.8 55 35 22860 50 12 -9.2 -7.7 | 44 18 -12.5 -12.9 56 33 23165 115 16 -14.5 6.8 | 95 18 -17.8 1.5 57 30 23780 60 12 -10.4 -6.0 | 51 18 -13.7 -11.2 58 27 24384 60 8 -6.9 -4.0 | 48 14 -10.2 -9.2 59 26 24689 95 12 -12.0 1.0 | 75 16 -15.2 -4.2 60 23 25603 70 16 -15.0 -5.5 | 60 21 -18.3 -10.7 61 22 25908 95 12 -12.0 1.0 | 75 16 -15.2 -4.2 62 21 26213 135 13 -9.2 9.2 | 108 13 -12.5 4.0 63 20 26380 95 18 -17.9 1.6 | 80 22 -21.2 -3.7 64 19 26518 145 19 -10.9 15.6 | 126 18 -14.2 10.3 65 18 26822 95 20 -19.9 1.7 | 81 23 -23.2 -3.5 66 16 27127 130 15 -11.5 9.6 | 107 15 -14.8 4.4 67 15 27432 80 17 -16.7 -3.0 | 68 22 -20.0 -8.2 68 14 27737 100 16 -15.8 2.8 | 83 19 -19.0 -2.5 69 13 28042 80 22 -21.7 -3.8 | 70 27 -25.0 -9.1 Wind Parameters Mean winds (0-6000m): 182.2 at 8.2 knts Storm direction: 212.2 at 6.2 knts Shear (0-3000m) pos: 1.6 neg: 0.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): -87.8 deg Storm rel helicity (0-3000m) pos: 108.7 neg: -14.1 tot: 94.6 m^2/s^2 ave: 31.5 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 13.3 stream: 3.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.08 Bulk Shear: 41.32 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 ------------------------------------------------------------------------------- 500 105 18 88 20| 22.4 0.0 22.4| 57.2 0.0 57.2 114.5 0.54| 22.9 12.4 1000 109 20 93 22| 6.2 0.0 6.2| 79.0 -5.9 73.1 73.1 0.39| 19.6 7.7 1500 118 17 98 18| 2.7 0.0 2.7|100.4 -7.1 93.3 62.2 0.36| 19.0 6.8 2000 127 15 103 15| 3.4 0.0 3.4|101.3 -11.4 89.9 45.0 0.21| 17.3 3.7 2500 140 14 114 13| 2.7 0.0 2.7|104.5 -14.1 90.3 36.1 0.20| 15.1 3.0 3000 151 13 121 11| 1.6 0.0 1.6|108.7 -14.1 94.6 31.5 0.24| 13.3 3.3 4000 159 10 121 8| 0.7 0.0 0.7|113.6 -14.1 99.5 24.9 0.28| 10.6 3.0 5000 162 8 114 6| 0.5 0.2 0.7|116.6 -16.5 100.1 20.0 0.27| 8.9 2.4 6000 182 8 135 4| 0.8 0.9 1.7|120.5 -19.8 100.6 16.8 0.21| 8.8 1.8 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251208.00.gif