UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 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 98 1 925 776 SFC 911 908 17.4 16.4 94 1.0 16.7 110 11 298.4 300.8 293.3 336.2 12.99 3 850 1494 13.4 13.3 99 0.1 13.3 95 21 300.2 302.3 292.7 333.5 11.37 4 844 1554 13.0 13.0 100 0.0 13.0 99 19 300.4 302.4 292.6 333.3 11.22 5 816 1840 15.8 7.8 59 8.0 10.9 138 10 306.3 307.8 292.0 330.9 8.16 6 799 2019 15.2 5.2 51 10.0 9.4 193 8 307.5 308.8 291.3 328.7 6.95 7 792 2094 14.4 10.3 76 4.1 11.8 216 7 307.4 309.3 293.7 337.6 9.98 8 700 3126 6.0 5.3 95 0.7 5.6 235 17 309.1 310.6 292.7 333.6 8.01 9 693 3208 5.2 5.2 100 0.0 5.2 238 18 309.1 310.6 292.7 333.7 8.03 10 658 3628 2.2 2.2 100 0.0 2.2 253 21 310.4 311.7 292.1 331.5 6.83 11 653 3690 1.6 0.4 92 1.2 1.0 255 21 310.4 311.5 291.5 329.1 6.04 12 642 3826 1.8 -3.2 69 5.0 -0.7 255 22 312.1 313.0 290.8 326.9 4.71 13 629 3991 1.2 -8.8 47 10.0 -3.1 255 23 313.2 313.8 289.8 323.3 3.12 14 595 4434 -2.7 -6.2 77 3.5 -4.3 255 26 313.7 314.5 290.7 326.6 4.04 15 550 5052 -7.3 -9.9 82 2.6 -8.4 252 34 315.4 316.1 290.6 326.0 3.28 16 547 5094 -7.1 -14.1 57 7.0 -9.6 252 35 316.2 316.6 289.9 323.9 2.35 17 541 5180 -7.9 -12.1 72 4.2 -9.5 252 36 316.2 316.7 290.3 325.3 2.79 18 536 5252 -7.5 -29.5 15 22.0 -12.8 252 37 317.5 317.6 288.6 319.7 0.62 19 534 5281 -7.7 -31.7 13 24.0 -13.2 252 37 317.6 317.7 288.5 319.4 0.50 20 500 5790 -10.5 -43.5 5 33.0 -15.9 250 44 320.2 320.3 289.0 320.9 0.16 21 494 5883 -10.9 -38.9 8 28.0 -16.0 250 45 320.9 320.9 289.3 321.8 0.27 22 449 6612 -16.5 -41.5 10 25.0 -20.4 259 53 322.7 322.7 289.8 323.5 0.22 23 439 6782 -15.9 -50.9 3 35.0 -20.3 262 56 325.5 325.6 290.5 325.9 0.08 24 400 7480 -19.5 -52.5 4 33.0 -23.2 275 66 329.6 329.7 291.7 329.9 0.07 25 398 7517 -19.7 -51.7 4 32.0 -23.4 275 67 329.9 329.9 291.7 330.2 0.08 26 395 7573 -18.9 -55.9 2 37.0 -22.9 275 67 331.6 331.6 292.2 331.8 0.05 27 369 8076 -22.5 -56.5 3 34.0 -25.8 271 70 333.3 333.4 292.7 333.6 0.05 28 341 8653 -24.7 -62.7 2 38.0 -27.7 273 74 338.0 338.0 293.9 338.1 0.02 29 300 9570 -32.1 -68.1 2 36.0 -34.0 280 81 340.1 340.1 294.4 340.2 0.01 30 253 10749 -41.5 -60.5 11 19.0 -42.3 271 95 343.2 343.2 295.1 343.4 0.04 31 250 10830 -42.1 -61.1 11 19.0 -42.9 270 96 343.5 343.5 295.2 343.6 0.04 32 247 10911 -42.8 -62.1 10 19.3 -43.5 275 97 343.7 343.7 295.2 343.8 0.04 33 223 11591 -48.5 -70.5 6 22.0 -49.0 273 89 345.1 345.1 295.6 345.1 0.01 34 200 12300 -52.7 -74.7 5 22.0 -53.1 270 80 349.3 349.3 296.5 349.3 0.01 35 194 12497 -54.3 -75.3 6 21.0 -54.6 268 80 349.8 349.8 296.6 349.8 0.01 36 164 13564 -60.7 -79.7 6 19.0 -60.9 265 87 356.3 356.3 298.0 356.3 0.00 37 150 14120 -61.9 -82.9 4 21.0 -62.0 270 77 363.4 363.4 299.4 363.5 0.00 38 101 16501 -72.5 -90.5 5 18.0 -72.6 266 43 386.5 386.5 303.3 386.6 0.00 39 100 16560 -71.5 -90.5 4 19.0 -71.6 265 42 389.6 389.6 303.8 389.6 0.00 40 82 17722 -76.5 -89.5 11 13.0 -76.5 255 33 402.1 402.1 305.5 402.1 0.00 41 72 18476 -75.5 -89.5 9 14.0 -75.6 206 21 419.5 419.5 307.6 419.5 0.00 42 70 18640 -73.7 -89.7 7 16.0 -73.7 250 15 426.7 426.7 308.5 426.7 0.00 43 69 18724 -73.7 -90.7 6 17.0 -73.7 250 16 428.5 428.5 308.7 428.5 0.00 44 67 18899 -67.9 -89.9 3 22.0 -68.1 249 18 444.7 444.7 310.3 444.7 0.00 45 64 19173 -70.1 -90.1 4 20.0 -70.2 213 4 445.7 445.7 310.4 445.7 0.00 46 53 20306 -65.9 -90.9 2 25.0 -66.1 112 6 480.1 480.1 313.5 480.1 0.00 47 51 20540 -66.7 -90.7 2 24.0 -67.0 94 5 483.6 483.6 313.7 483.6 0.00 48 50 20660 -64.5 -90.5 2 26.0 -64.8 85 4 491.5 491.5 314.3 491.5 0.00 49 48 20911 -61.3 -90.3 1 29.0 -61.8 85 8 504.9 504.9 315.3 504.9 0.00 50 40 22032 -63.7 -89.7 2 26.0 -64.1 85 20 525.9 525.9 316.6 525.9 0.00 51 34 23037 -59.3 -89.3 1 30.0 -60.2 47 17 562.5 562.5 318.8 562.5 0.00 52 30 23820 -58.7 -88.7 1 30.0 -59.7 75 11 584.6 584.6 319.9 584.6 0.00 53 23 25499 -57.3 -88.3 1 31.0 -58.9 109 28 634.9 634.9 322.1 634.9 0.01 54 20 26390 -54.7 -87.7 1 33.0 -57.0 110 27 668.7 668.7 323.4 668.8 0.01 55 13 29188 -48.1 -85.1 1 37.0 -53.5 106 29 779.3 779.3 326.7 779.5 0.02 56 13 29188 -48.5 -85.5 1 37.0 -53.7 106 29 777.9 777.9 326.7 778.1 0.02 TRP 82 17722 -76.5 -89.5 11 13.0 -76.5 255 33 402.1 402.1 305.5 402.1 0.00 WND 247 10911 -42.8 -62.1 10 19.3 -43.5 275 97 343.7 343.7 295.2 343.8 0.04 Sounding variables and indices 1000-500 mb thick: 5692.00 m Freezing level: 618.54 mb = 4127.25 m = 13540.69 ft Wetbulb zero: 646.58 mb = 3769.10 m = 12365.67 ft Precipitable water: 1.15 inches Sfc-500 mean rel hum: 72.76 % Est. max temperature: 26.72 C = 80.10 F Sfc-Lift cond lev (LCL): 897.81 mb = 1031.31 m = 3383.51 ft T: 16.56 C 700-500 lapse rate: 6.19 C/km ThetaE index: 7.47 C Layer 850.0- 792.0 mb Conv cond level (CCL): 756.60 mb = 2476.27 m = 8124.14 ft Mean mixing ratio: 11.18 g/kg Conv temperature: 26.80 C = 80.25 F Cap Strength: 4.19 C Lifted Index: -1.03 C Risk: Thunderstorms probable Lifted Index @300 mb: 5.79 C Lifted Index @700 mb: 0.36 C Showalter Index: -0.91 C Risk: Thunderstorms probable Total Totals Index: 47.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 23.80 C K Index: 36.50 Risk: > 80 % chance of thunderstorms Sweat Index: 245.60 Risk: None Energy Index: -2.43 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 177.10 J/kg Max Up Vert Vel: 18.82 m/s Conv Inhibition (B-): 125.33 J/kg Cap Strength: 4.11 C Lift Cond Lev (LCL): 837.23 mb = 1622.22 m = 5322.19 ft Lev Free Conv (LFC): 682.23 mb = 3335.03 m = 10941.56 ft Equ Level (EL): 432.23 mb = 6898.34 m = 22632.06 ft B at Equ Level: 174.58 J/kg Max Parcel Lev (MPL): 342.23 mb = 8626.27 m = 28301.07 ft Wind level data Storm motion: 279 at 20 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 ---------------------------------------------------------- 0 911 908 110 11 -10.3 3.8 | 103 31 -30.3 6.9 1 910 914 95 10 -10.0 0.9 | 98 30 -30.0 4.0 2 878 1219 95 22 -21.9 1.9 | 97 42 -41.9 5.0 3 850 1494 95 21 -20.9 1.8 | 97 41 -40.9 4.9 4 847 1524 95 20 -19.9 1.7 | 97 40 -39.9 4.9 5 817 1829 135 10 -7.1 7.1 | 111 29 -27.1 10.2 6 788 2134 230 6 4.6 3.9 | 114 17 -15.4 7.0 7 760 2438 235 7 5.7 4.0 | 117 16 -14.3 7.1 8 733 2743 245 10 9.1 4.2 | 124 13 -10.9 7.3 9 707 3048 235 16 13.1 9.2 | 151 14 -6.9 12.3 10 700 3126 235 17 13.9 9.8 | 155 14 -6.1 12.9 11 655 3658 255 21 20.3 5.4 | 182 9 0.3 8.6 12 606 4267 255 24 23.2 6.2 | 199 10 3.2 9.3 13 500 5790 250 44 41.3 15.0 | 230 28 21.3 18.2 14 480 6096 250 46 43.2 15.7 | 231 30 23.2 18.8 15 400 7480 275 66 65.7 -5.8 | 273 46 45.7 -2.6 16 392 7620 275 68 67.7 -5.9 | 273 48 47.7 -2.8 17 361 8230 270 71 71.0 -0.0 | 267 51 51.0 3.1 18 300 9570 280 81 79.8 -14.1 | 280 61 59.8 -10.9 19 250 10830 270 96 96.0 -0.0 | 268 76 76.0 3.1 20 247 10911 275 97 96.6 -8.5 | 274 77 76.6 -5.3 21 245 10973 275 97 96.6 -8.5 | 274 77 76.6 -5.3 22 200 12300 270 80 80.0 -0.0 | 267 60 60.0 3.1 23 185 12802 265 79 78.7 6.9 | 260 60 58.7 10.0 24 160 13716 265 89 88.7 7.8 | 261 70 68.7 10.9 25 150 14120 270 77 77.0 -0.0 | 267 57 57.0 3.1 26 131 14935 250 69 64.8 23.6 | 239 52 44.8 26.7 27 113 15850 275 59 58.8 -5.1 | 273 39 38.8 -2.0 28 100 16560 265 42 41.8 3.7 | 253 23 21.8 6.8 29 97 16764 255 51 49.3 13.2 | 241 33 29.3 16.3 30 92 17069 280 39 38.4 -6.8 | 281 19 18.4 -3.7 31 87 17374 255 24 23.2 6.2 | 199 10 3.2 9.3 32 82 17722 255 33 31.9 8.5 | 226 17 11.9 11.7 33 78 17983 255 33 31.9 8.5 | 226 17 11.9 11.7 34 74 18288 200 22 7.5 20.7 | 152 27 -12.5 23.8 35 71 18593 210 21 10.5 18.2 | 156 23 -9.5 21.3 36 70 18640 250 15 14.1 5.1 | 144 10 -5.9 8.2 37 67 18898 250 18 16.9 6.2 | 162 10 -3.1 9.3 38 64 19202 210 3 1.5 2.6 | 107 19 -18.5 5.7 39 61 19507 175 10 -0.9 10.0 | 122 25 -20.9 13.1 40 50 20660 85 4 -4.0 -0.3 | 97 24 -24.0 2.8 41 49 20726 85 10 -10.0 -0.9 | 94 30 -30.0 2.2 42 45 21336 85 3 -3.0 -0.3 | 97 23 -23.0 2.9 43 43 21641 135 10 -7.1 7.1 | 111 29 -27.1 10.2 44 41 21946 85 21 -20.9 -1.8 | 92 41 -40.9 1.3 45 39 22250 85 18 -17.9 -1.6 | 92 38 -37.9 1.5 46 37 22555 75 22 -21.3 -5.7 | 86 41 -41.3 -2.6 47 33 23165 40 16 -10.3 -12.3 | 73 32 -30.3 -9.1 48 32 23470 115 15 -13.6 6.3 | 106 35 -33.6 9.5 49 30 23774 70 17 -16.0 -5.8 | 86 36 -36.0 -2.7 50 30 23820 75 11 -10.6 -2.8 | 91 31 -30.6 0.3 51 29 24079 70 12 -11.3 -4.1 | 88 31 -31.3 -1.0 52 27 24384 120 17 -14.7 8.5 | 108 37 -34.7 11.6 53 26 24689 125 22 -18.0 12.6 | 112 41 -38.0 15.7 54 25 24994 120 28 -24.2 14.0 | 111 47 -44.3 17.1 55 22 25908 100 28 -27.6 4.9 | 100 48 -47.6 8.0 56 21 26213 120 27 -23.4 13.5 | 111 46 -43.4 16.6 57 20 26390 110 27 -25.4 9.2 | 105 47 -45.4 12.4 58 16 27127 95 25 -24.9 2.2 | 97 45 -44.9 5.3 59 15 27432 110 27 -25.4 9.2 | 105 47 -45.4 12.4 60 11 28346 100 32 -31.5 5.6 | 100 52 -51.5 8.7 61 10 28651 85 32 -31.9 -2.8 | 90 52 -51.9 0.3 62 9 28956 105 30 -29.0 7.8 | 103 50 -49.0 10.9 63 8 29566 95 25 -24.9 2.2 | 97 45 -44.9 5.3 Wind Parameters Mean winds (0-6000m): 248.9 at 27.0 knts Storm direction: 278.9 at 20.3 knts Shear (0-3000m) pos: 7.4 neg: 1.9 tot: 9.2 10-3/s Storm rel Dir Shear (0-3000m): 86.6 deg Storm rel helicity (0-3000m) pos: 164.3 neg: -37.4 tot: 126.8 m^2/s^2 ave: 42.3 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 10.7 stream: 4.1 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 0.69 Bulk Shear: 255.35 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 95 18 97 38| 0.0 11.4 11.4| 0.1 -29.5 -29.4 -58.8 -0.27| 12.9 -3.5 1000 101 17 100 37| 9.9 5.7 15.6|102.7 -29.5 73.2 73.2 0.25| 16.6 4.1 1500 109 13 103 34| 9.2 3.8 13.0|112.9 -37.4 75.5 50.3 0.19| 14.6 2.8 2000 125 12 109 32| 8.5 2.8 11.3|132.2 -37.4 94.8 47.4 0.27| 12.7 3.5 2500 166 13 125 28| 8.0 2.3 10.3|154.8 -37.4 117.4 46.9 0.35| 11.8 4.1 3000 207 15 140 21| 7.4 1.9 9.2|164.3 -37.4 126.8 42.3 0.38| 10.7 4.1 4000 236 18 157 14| 5.5 0.3 5.8|184.4 -37.4 146.9 36.7 0.42| 9.3 3.9 5000 244 22 179 13| 4.4 1.3 5.7|204.4 -37.4 167.0 33.4 0.40| 8.7 3.5 6000 249 27 202 14| 5.0 1.1 6.1|347.4 -37.4 309.9 51.7 0.48| 8.9 4.2 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251204.00.gif