UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122612.upa.cvt Date: 1200Z 26 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 26 DEC 25 Station: SBTS WMO ident: 82026 Latitude: 2.23 Longitude: -55.95 Elevation: 344.00 ------------------------------------------------------------------------------- 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 110 SFC 973 344 24.0 21.7 87 2.3 22.3 320 3 299.5 302.6 296.5 349.3 17.03 2 925 791 20.4 19.6 95 0.8 19.8 90 10 300.2 303.0 295.8 346.2 15.71 3 850 1518 16.4 16.0 97 0.4 16.1 105 20 303.3 305.8 295.2 343.6 13.58 4 820 1824 14.6 14.6 100 0.0 14.6 100 18 304.6 306.9 295.0 342.9 12.85 5 814 1886 15.6 12.3 81 3.3 13.4 99 18 306.3 308.3 294.2 339.7 11.11 6 796 2077 16.2 10.2 68 6.0 12.4 96 18 308.9 310.7 294.0 338.9 9.87 7 756 2515 15.0 5.0 51 10.0 9.1 90 22 312.1 313.5 293.0 334.7 7.25 8 701 3150 9.6 6.4 80 3.2 7.6 85 20 313.0 314.6 294.3 339.8 8.64 9 700 3162 9.6 6.5 81 3.1 7.7 85 20 313.1 314.8 294.4 340.1 8.71 10 637 3941 6.0 1.2 71 4.8 3.3 106 10 317.6 318.9 293.9 338.5 6.57 11 536 5332 -3.7 -5.1 90 1.4 -4.4 205 10 322.1 323.0 293.8 338.0 4.89 12 514 5663 -5.5 -6.4 93 0.9 -6.0 230 13 323.8 324.7 294.1 339.0 4.61 13 500 5880 -5.7 -15.7 45 10.0 -9.5 245 12 326.1 326.5 292.7 333.8 2.25 14 494 5974 -6.1 -20.1 32 14.0 -10.8 247 12 326.7 327.0 292.3 332.2 1.57 15 479 6214 -7.9 -13.9 62 6.0 -10.2 254 13 327.4 327.9 293.5 336.7 2.73 16 475 6278 -8.1 -16.1 53 8.0 -11.1 256 14 327.9 328.4 293.3 335.8 2.29 17 467 6410 -7.9 -38.9 6 31.0 -14.3 260 16 329.8 329.8 291.9 330.9 0.28 18 460 6526 -8.7 -39.7 6 31.0 -14.9 264 18 330.2 330.3 292.0 331.2 0.26 19 438 6903 -11.5 -41.5 6 30.0 -17.0 279 23 331.3 331.4 292.3 332.2 0.23 20 427 7096 -12.7 -26.7 30 14.0 -16.4 289 24 332.2 332.4 293.3 335.9 1.01 21 416 7294 -13.7 -45.7 5 32.0 -18.8 299 26 333.4 333.5 292.8 334.0 0.15 22 407 7460 -15.1 -29.1 29 14.0 -18.6 300 31 333.7 333.9 293.5 336.8 0.85 23 400 7590 -15.9 -32.9 22 17.0 -19.6 300 35 334.3 334.4 293.4 336.6 0.60 24 372 8132 -20.5 -32.5 33 12.0 -22.9 304 34 335.2 335.4 293.7 337.7 0.67 25 357 8436 -21.9 -45.9 9 24.0 -25.1 302 30 337.3 337.4 293.9 338.0 0.18 26 348 8623 -23.1 -38.1 24 15.0 -25.6 299 27 338.2 338.3 294.3 339.8 0.41 27 305 9573 -31.5 -37.5 55 6.0 -32.3 350 8 339.4 339.5 294.6 341.3 0.50 28 300 9690 -32.3 -42.3 36 10.0 -33.4 20 4 339.9 339.9 294.6 341.1 0.31 29 294 9833 -32.3 -52.3 12 20.0 -34.0 32 5 341.8 341.8 294.8 342.2 0.10 30 292 9882 -32.5 -50.5 15 18.0 -34.1 40 6 342.2 342.2 295.0 342.7 0.13 31 266 10534 -38.7 -49.7 30 11.0 -39.5 143 14 342.4 342.4 295.0 343.0 0.15 32 258 10745 -40.1 -43.6 69 3.5 -40.4 174 16 343.3 343.4 295.4 344.6 0.31 33 250 10960 -41.9 -45.7 66 3.8 -42.2 200 16 343.8 343.8 295.4 344.8 0.26 34 242 11178 -43.7 -46.5 74 2.8 -43.9 200 16 344.3 344.3 295.6 345.3 0.24 35 233 11430 -46.1 -52.1 51 6.0 -46.4 199 16 344.4 344.4 295.5 344.9 0.13 36 229 11545 -47.3 -51.1 65 3.8 -47.5 199 17 344.3 344.3 295.5 344.9 0.15 37 222 11748 -49.3 -58.3 34 9.0 -49.6 197 18 344.3 344.3 295.4 344.5 0.07 38 213 12017 -51.9 -55.4 66 3.5 -52.0 196 18 344.3 344.3 295.4 344.7 0.10 39 204 12294 -54.3 -62.3 37 8.0 -54.5 201 21 344.8 344.8 295.5 345.0 0.04 40 200 12420 -55.3 -62.3 41 7.0 -55.5 210 24 345.2 345.2 295.6 345.4 0.04 41 194 12614 -56.9 -62.9 47 6.0 -57.0 214 21 345.7 345.7 295.7 345.8 0.04 42 190 12747 -57.1 -69.1 20 12.0 -57.3 218 16 347.4 347.4 296.1 347.5 0.02 43 170 13448 -60.3 -77.3 9 17.0 -60.4 254 8 353.3 353.3 297.4 353.3 0.01 44 163 13710 -62.1 -78.1 10 16.0 -62.2 326 11 354.6 354.6 297.6 354.6 0.01 45 150 14220 -66.3 -77.3 20 11.0 -66.4 310 23 355.9 355.9 297.9 355.9 0.01 46 126 15253 -75.1 -79.7 49 4.6 -75.1 332 29 358.2 358.2 298.4 358.2 0.01 47 122 15439 -76.5 -82.5 38 6.0 -76.5 331 32 358.9 358.9 298.5 358.9 0.00 48 105 16294 -80.3 -88.3 25 8.0 -80.3 295 20 367.4 367.4 300.1 367.4 0.00 49 101 16514 -79.7 -88.7 21 9.0 -79.7 287 21 372.7 372.7 301.0 372.7 0.00 50 100 16570 -80.1 -90.1 17 10.0 -80.1 285 21 373.0 373.0 301.1 373.0 0.00 51 95 16860 -77.7 -89.7 13 12.0 -77.7 333 11 383.2 383.2 302.8 383.2 0.00 52 82 17691 -81.5 -92.5 14 11.0 -81.5 103 23 391.9 391.9 304.0 391.9 0.00 53 80 17831 -76.1 -91.1 8 15.0 -76.2 104 28 405.8 405.8 306.0 405.8 0.00 54 78 17977 -74.9 -89.9 8 15.0 -74.9 105 33 411.2 411.2 306.7 411.2 0.00 55 70 18600 -76.7 -89.7 11 13.0 -76.7 265 20 420.3 420.3 307.7 420.3 0.00 56 64 19117 -77.5 -90.5 11 13.0 -77.6 255 14 429.4 429.5 308.8 429.5 0.00 57 56 19894 -72.7 -89.7 6 17.0 -72.8 255 7 457.1 457.1 311.5 457.1 0.00 58 50 20560 -73.7 -90.7 6 17.0 -73.8 95 29 469.8 469.8 312.6 469.8 0.00 59 42 21589 -69.3 -92.3 2 23.0 -69.5 100 50 504.7 504.7 315.3 504.7 0.00 60 35 22704 -59.1 -89.1 1 30.0 -60.0 93 63 558.4 558.4 318.6 558.4 0.00 61 33 23072 -60.3 -89.3 1 29.0 -61.1 99 65 564.6 564.7 318.9 564.7 0.00 62 30 23670 -57.5 -88.5 1 31.0 -58.7 95 64 587.9 587.9 320.0 587.9 0.01 63 27 24339 -55.3 -87.3 1 32.0 -57.0 90 67 612.0 612.0 321.2 612.0 0.01 64 22 25658 -51.1 -85.1 1 34.0 -54.1 92 62 661.5 661.5 323.1 661.6 0.01 TRP 105 16294 -80.3 -88.3 25 8.0 -80.3 295 20 367.4 367.4 300.1 367.4 0.00 WND 27 24339 -55.3 -87.3 1 32.0 -57.0 90 67 612.0 612.0 321.2 612.0 0.01 Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 574.53 mb = 4801.57 m = 15752.99 ft Wetbulb zero: 593.56 mb = 4510.11 m = 14796.77 ft Precipitable water: 1.86 inches Sfc-500 mean rel hum: 80.54 % Est. max temperature: 28.91 C = 84.03 F Sfc-Lift cond lev (LCL): 941.22 mb = 637.40 m = 2091.19 ft T: 21.64 C 700-500 lapse rate: 5.63 C/km ThetaE index: 14.60 C Layer 925.0- 701.0 mb Conv cond level (CCL): 899.80 mb = 1028.43 m = 3374.09 ft Mean mixing ratio: 15.62 g/kg Conv temperature: 25.70 C = 78.26 F Cap Strength: 2.44 C Lifted Index: -1.44 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.97 C Lifted Index @700 mb: -0.03 C Showalter Index: -0.39 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.70 C K Index: 35.00 Risk: > 80 % chance of thunderstorms Sweat Index: 244.00 Risk: None Energy Index: -1.92 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 434.10 J/kg Max Up Vert Vel: 29.47 m/s Conv Inhibition (B-): 0.80 J/kg Cap Strength: 2.45 C Lift Cond Lev (LCL): 908.12 mb = 949.32 m = 3114.52 ft Lev Free Conv (LFC): 883.12 mb = 1189.33 m = 3901.94 ft Equ Level (EL): 813.12 mb = 1895.25 m = 6217.95 ft B at Equ Level: 21.49 J/kg Max Parcel Lev (MPL): 773.12 mb = 2324.59 m = 7626.50 ft Wind level data Storm motion: 137 at 10 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 ---------------------------------------------------------- 0 973 344 320 3 1.9 -2.3 | 317 13 8.7 -9.5 1 944 610 90 5 -5.0 0.0 | 346 7 1.8 -7.2 2 925 791 90 10 -10.0 0.0 | 24 8 -3.2 -7.2 3 912 914 95 14 -13.9 1.2 | 50 9 -7.2 -6.0 4 850 1518 105 20 -19.3 5.2 | 81 13 -12.5 -2.0 5 849 1524 105 18 -17.4 4.7 | 77 11 -10.6 -2.5 6 790 2134 95 18 -17.9 1.6 | 63 12 -11.2 -5.6 7 762 2438 90 22 -22.0 0.0 | 65 17 -15.2 -7.2 8 700 3162 85 20 -19.9 -1.7 | 56 16 -13.2 -8.9 9 684 3353 85 18 -17.9 -1.6 | 52 14 -11.2 -8.7 10 658 3658 110 10 -9.4 3.4 | 35 5 -2.6 -3.8 11 610 4267 100 9 -8.9 1.6 | 20 6 -2.1 -5.6 12 588 4572 150 3 -1.5 2.6 | 311 7 5.3 -4.6 13 506 5791 240 14 12.1 7.0 | 271 19 18.9 -0.2 14 500 5880 245 12 10.9 5.1 | 277 18 17.6 -2.1 15 486 6096 250 11 10.3 3.8 | 281 17 17.1 -3.4 16 449 6706 270 21 21.0 -0.0 | 284 29 27.8 -7.2 17 415 7315 300 26 22.5 -13.0 | 305 36 29.3 -20.2 18 400 7590 300 35 30.3 -17.5 | 304 45 37.1 -24.7 19 366 8230 305 34 27.9 -19.5 | 308 44 34.6 -26.7 20 337 8839 295 22 19.9 -9.3 | 302 31 26.7 -16.5 21 323 9144 315 19 13.4 -13.4 | 316 29 20.2 -20.6 22 310 9449 320 12 7.7 -9.2 | 319 22 14.5 -16.4 23 300 9690 20 4 -1.4 -3.8 | 334 12 5.4 -10.9 24 297 9754 20 4 -1.4 -3.8 | 334 12 5.4 -10.9 25 261 10668 165 16 -4.1 15.5 | 198 9 2.6 8.3 26 250 10960 200 16 5.5 15.0 | 237 15 12.2 7.9 27 238 11278 200 16 5.5 15.0 | 237 15 12.2 7.9 28 207 12192 195 19 4.9 18.4 | 226 16 11.7 11.2 29 200 12420 210 24 12.0 20.8 | 234 23 18.8 13.6 30 198 12497 210 25 12.5 21.7 | 233 24 19.3 14.5 31 188 12802 220 14 9.0 10.7 | 257 16 15.8 3.5 32 179 13106 165 5 -1.3 4.8 | 293 6 5.5 -2.4 33 163 13716 330 11 5.5 -9.5 | 324 21 12.3 -16.7 34 150 14220 310 23 17.6 -14.8 | 312 33 24.4 -22.0 35 147 14326 305 31 25.4 -17.8 | 308 41 32.2 -25.0 36 140 14630 335 20 8.5 -18.1 | 329 30 15.2 -25.3 37 119 15545 330 34 17.0 -29.4 | 327 44 23.8 -36.6 38 105 16294 295 20 18.1 -8.5 | 302 29 24.9 -15.6 39 100 16570 285 21 20.3 -5.4 | 295 30 27.1 -12.6 40 97 16764 290 15 14.1 -5.1 | 301 24 20.9 -12.3 41 92 17069 65 3 -2.7 -1.3 | 334 9 4.0 -8.4 42 87 17374 100 11 -10.8 1.9 | 38 7 -4.1 -5.3 43 78 17983 105 33 -31.9 8.5 | 93 25 -25.1 1.4 44 74 18288 170 1 -0.2 1.0 | 313 9 6.6 -6.2 45 70 18593 275 11 11.0 -1.0 | 295 20 17.7 -8.1 46 70 18600 265 20 19.9 1.7 | 282 27 26.7 -5.4 47 67 18898 270 23 23.0 -0.0 | 284 31 29.8 -7.2 48 63 19202 250 11 10.3 3.8 | 281 17 17.1 -3.4 49 60 19507 285 11 10.6 -2.8 | 300 20 17.4 -10.0 50 57 19812 305 10 8.2 -5.7 | 311 20 15.0 -12.9 51 54 20117 130 1 -0.8 0.6 | 317 9 6.0 -6.5 52 51 20422 95 20 -19.9 1.7 | 68 14 -13.2 -5.4 53 50 20560 95 29 -28.9 2.5 | 78 23 -22.1 -4.7 54 49 20726 95 28 -27.9 2.4 | 77 22 -21.1 -4.7 55 42 21641 100 50 -49.2 8.7 | 92 42 -42.5 1.5 56 40 21946 80 53 -52.2 -9.2 | 70 48 -45.4 -16.4 57 34 22860 95 65 -64.8 5.7 | 89 58 -58.0 -1.5 58 33 23165 100 65 -64.0 11.3 | 94 57 -57.2 4.1 59 30 23670 95 64 -63.8 5.6 | 88 57 -57.0 -1.6 60 27 24339 90 67 -67.0 0.0 | 83 61 -60.2 -7.2 61 25 24689 90 67 -67.0 0.0 | 83 61 -60.2 -7.2 62 18 25908 95 53 -52.8 4.6 | 87 46 -46.0 -2.6 Wind Parameters Mean winds (0-6000m): 106.7 at 13.2 knts Storm direction: 136.7 at 9.9 knts Shear (0-3000m) pos: 3.6 neg: 0.9 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 94.7 deg Storm rel helicity (0-3000m) pos: 51.8 neg: -23.9 tot: 28.0 m^2/s^2 ave: 9.3 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 2.4 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 50.86 Bulk Shear: 8.54 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 83 6 354 8| 14.3 0.0 14.3| 31.4 0.0 31.4 62.8 0.82| 15.9 13.0 1000 95 11 33 7| 10.7 0.0 10.7| 47.7 0.0 47.7 47.7 0.84| 11.6 9.7 1500 99 13 52 8| 7.1 0.3 7.4| 50.7 -5.0 45.7 30.5 0.69| 9.1 6.2 2000 98 15 57 9| 5.3 1.1 6.5| 51.8 -9.0 42.8 21.4 0.56| 8.0 4.4 2500 95 16 58 11| 4.3 1.2 5.4| 51.8 -15.2 36.6 14.6 0.47| 7.0 3.3 3000 93 17 58 12| 3.6 0.9 4.5| 51.8 -23.9 28.0 9.3 0.37| 6.3 2.4 4000 95 15 55 10| 1.8 0.7 2.5| 52.9 -31.3 21.6 5.4 0.18| 6.6 1.2 5000 99 13 52 8| 1.7 0.6 2.3| 52.9 -46.9 6.0 1.2 -0.02| 6.8 -0.1 6000 107 13 60 7| 1.4 0.5 1.9| 79.5 -47.5 32.1 5.3 0.06| 6.9 0.4 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251226.12.gif