UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 28 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 106 SFC 973 344 25.2 21.1 78 4.1 22.3 340 4 300.7 303.7 296.4 348.8 16.40 2 925 788 20.4 19.3 93 1.1 19.6 75 13 300.2 303.0 295.6 345.3 15.41 3 911 920 19.6 18.9 96 0.7 19.1 80 18 300.7 303.5 295.6 345.4 15.26 4 850 1517 17.0 14.7 86 2.3 15.5 95 28 304.0 306.3 294.6 341.1 12.47 5 743 2657 12.6 7.6 72 5.0 9.5 111 24 311.1 312.8 293.9 338.3 8.85 6 700 3156 9.6 5.1 73 4.5 6.9 90 18 313.1 314.6 293.7 337.7 7.90 7 689 3287 8.8 2.8 66 6.0 5.4 94 18 313.6 314.9 293.0 335.0 6.81 8 684 3347 8.4 4.8 78 3.6 6.3 96 18 313.9 315.4 294.0 338.5 7.91 9 655 3705 7.8 -9.2 29 17.0 0.1 107 18 317.1 317.7 290.7 326.6 2.91 10 635 3960 6.0 -1.0 61 7.0 2.2 115 17 317.9 319.0 293.3 335.8 5.61 11 631 4012 6.4 -11.6 26 18.0 -1.3 116 17 318.9 319.4 290.9 327.2 2.49 12 623 4116 6.0 -16.0 19 22.0 -2.6 120 17 319.6 319.9 290.5 325.6 1.76 13 619 4169 5.8 -11.2 28 17.0 -1.6 121 17 320.0 320.5 291.3 328.7 2.62 14 606 4342 4.2 -6.8 45 11.0 -1.0 130 17 320.1 320.8 292.4 332.5 3.79 15 565 4908 0.2 -11.8 40 12.0 -4.8 159 18 321.8 322.4 292.0 331.0 2.74 16 553 5080 -0.3 -17.3 26 17.0 -6.6 142 19 323.2 323.6 291.5 329.3 1.78 17 528 5449 -2.5 -13.5 43 11.0 -7.0 134 15 324.9 325.4 292.7 333.5 2.56 18 511 5708 -3.5 -21.5 23 18.0 -9.5 124 11 326.7 327.0 292.1 331.4 1.34 19 508 5755 -3.9 -10.9 58 7.0 -7.0 122 11 326.8 327.4 293.8 337.9 3.28 20 502 5849 -4.1 -18.1 33 14.0 -9.2 123 9 327.7 328.0 292.8 334.0 1.83 21 500 5880 -4.3 -18.3 33 14.0 -9.4 125 9 327.8 328.2 292.8 334.1 1.81 22 477 6249 -7.5 -12.2 69 4.7 -9.5 86 8 328.3 328.9 294.1 339.0 3.15 23 474 6298 -7.5 -16.5 48 9.0 -10.8 76 9 328.9 329.3 293.4 336.6 2.22 24 445 6787 -10.7 -15.6 67 4.9 -12.5 345 10 330.8 331.4 294.2 339.7 2.55 25 438 6909 -10.5 -26.5 26 16.0 -15.0 329 11 332.6 332.8 293.4 336.2 1.00 26 412 7376 -14.1 -23.1 46 9.0 -16.8 336 9 333.8 334.1 294.1 339.0 1.45 27 407 7469 -14.7 -28.7 29 14.0 -18.2 342 8 334.2 334.4 293.7 337.5 0.88 28 402 7562 -15.5 -23.5 50 8.0 -17.8 348 7 334.4 334.7 294.2 339.5 1.43 29 400 7600 -15.9 -23.9 50 8.0 -18.2 350 7 334.3 334.6 294.1 339.3 1.39 30 389 7810 -16.5 -32.5 24 16.0 -20.0 350 11 336.2 336.3 294.0 338.6 0.64 31 359 8406 -21.9 -33.9 33 12.0 -24.2 325 16 336.8 336.9 294.1 339.1 0.61 32 350 8592 -22.9 -39.9 20 17.0 -25.6 319 16 337.9 338.0 294.1 339.2 0.34 33 321 9219 -27.9 -47.9 13 20.0 -30.0 319 13 339.4 339.5 294.3 340.1 0.16 34 300 9700 -32.1 -46.1 24 14.0 -33.5 315 13 340.1 340.2 294.6 341.0 0.20 35 278 10233 -36.7 -42.7 54 6.0 -37.3 319 13 341.0 341.1 294.8 342.2 0.32 36 258 10746 -41.1 -52.1 30 11.0 -41.8 279 12 341.9 341.9 294.9 342.4 0.12 37 250 10960 -42.9 -49.9 46 7.0 -43.3 255 11 342.3 342.3 295.0 342.9 0.16 38 233 11432 -46.9 -49.0 79 2.1 -47.0 243 12 343.2 343.2 295.3 344.0 0.19 39 200 12430 -54.5 -61.5 42 7.0 -54.6 225 36 346.5 346.5 295.9 346.7 0.05 40 193 12657 -55.5 -67.5 21 12.0 -55.7 229 32 348.4 348.4 296.3 348.5 0.02 41 178 13167 -57.9 -72.9 13 15.0 -58.1 248 21 352.6 352.6 297.2 352.7 0.01 42 150 14220 -66.9 -75.9 27 9.0 -67.0 335 28 354.8 354.8 297.7 354.9 0.01 43 148 14301 -67.7 -76.7 27 9.0 -67.8 336 28 354.8 354.8 297.7 354.9 0.01 44 120 15538 -75.9 -83.9 27 8.0 -75.9 182 11 361.7 361.7 299.0 361.7 0.00 45 101 16524 -80.1 -89.1 21 9.0 -80.1 223 14 371.9 371.9 300.9 371.9 0.00 46 100 16580 -80.5 -89.5 21 9.0 -80.5 225 13 372.2 372.2 300.9 372.2 0.00 47 95 16869 -83.1 -90.1 29 7.0 -83.1 220 12 372.6 372.6 301.0 372.6 0.00 48 85 17492 -82.9 -91.9 20 9.0 -82.9 148 14 385.0 385.0 303.1 385.0 0.00 49 79 17911 -75.1 -90.1 8 15.0 -75.2 129 15 409.3 409.3 306.4 409.3 0.00 50 70 18610 -78.3 -90.3 13 12.0 -78.3 185 12 416.9 416.9 307.3 416.9 0.00 51 65 19031 -79.3 -90.3 15 11.0 -79.3 207 12 423.6 423.6 308.2 423.6 0.00 52 50 20540 -73.5 -90.5 6 17.0 -73.6 65 29 470.3 470.3 312.7 470.3 0.00 53 40 21854 -71.3 -92.3 3 21.0 -71.5 86 52 506.8 506.8 315.4 506.8 0.00 54 38 22160 -67.5 -91.5 2 24.0 -67.8 84 57 524.0 524.0 316.5 524.0 0.00 55 32 23200 -65.9 -90.9 2 25.0 -66.3 92 60 554.7 554.7 318.3 554.7 0.00 56 31 23396 -60.7 -90.7 1 30.0 -61.5 98 59 573.8 573.8 319.3 573.8 0.00 57 30 23600 -60.1 -89.1 1 29.0 -61.0 105 58 580.8 580.8 319.7 580.8 0.00 58 22 25578 -50.7 -84.7 1 34.0 -53.8 97 56 662.7 662.7 323.2 662.8 0.01 TRP 95 16869 -83.1 -90.1 29 7.0 -83.1 220 12 372.6 372.6 301.0 372.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 560.20 mb = 4976.85 m = 16328.03 ft Wetbulb zero: 632.49 mb = 3992.32 m = 13098.01 ft Precipitable water: 1.70 inches Sfc-500 mean rel hum: 61.74 % Est. max temperature: 30.12 C = 86.22 F Sfc-Lift cond lev (LCL): 916.71 mb = 866.04 m = 2841.31 ft T: 19.93 C 700-500 lapse rate: 5.10 C/km ThetaE index: 10.48 C Layer 850.0- 684.0 mb Conv cond level (CCL): 881.21 mb = 1206.41 m = 3958.00 ft Mean mixing ratio: 15.22 g/kg Conv temperature: 26.73 C = 80.12 F Cap Strength: 1.27 C Lifted Index: 0.25 C Risk: Showers probable Lifted Index @300 mb: -1.33 C Lifted Index @700 mb: 0.21 C Showalter Index: 2.07 C Risk: Showers probable Total Totals Index: 40.30 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 19.00 C K Index: 31.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 241.40 Risk: None Energy Index: -1.33 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 219.51 J/kg Max Up Vert Vel: 20.95 m/s Conv Inhibition (B-): 68.76 J/kg Cap Strength: 1.26 C Lift Cond Lev (LCL): 898.41 mb = 1039.98 m = 3411.95 ft Lev Free Conv (LFC): 583.41 mb = 4649.01 m = 15252.46 ft Equ Level (EL): 503.41 mb = 5826.34 m = 19115.06 ft B at Equ Level: 19.26 J/kg Max Parcel Lev (MPL): 163.41 mb = 13693.36 m = 44925.16 ft Wind level data Storm motion: 138 at 14 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 ---------------------------------------------------------- 0 973 344 340 4 1.4 -3.8 | 323 18 10.6 -13.9 1 944 610 70 7 -6.6 -2.4 | 348 13 2.7 -12.6 2 925 788 75 13 -12.6 -3.4 | 14 14 -3.3 -13.6 3 912 914 80 18 -17.7 -3.1 | 32 16 -8.5 -13.3 4 850 1517 95 28 -27.9 2.4 | 67 20 -18.6 -7.7 5 819 1829 90 30 -30.0 0.0 | 64 23 -20.7 -10.2 6 790 2134 100 26 -25.6 4.5 | 71 17 -16.3 -5.7 7 762 2438 100 28 -27.6 4.9 | 74 19 -18.3 -5.3 8 735 2743 115 22 -19.9 9.3 | 85 11 -10.7 -0.9 9 709 3048 90 20 -20.0 0.0 | 46 15 -10.7 -10.2 10 700 3156 90 18 -18.0 0.0 | 41 13 -8.7 -10.2 11 610 4267 125 17 -13.9 9.8 | 85 5 -4.7 -0.4 12 588 4572 150 19 -9.5 16.5 | 178 6 -0.2 6.3 13 566 4877 160 18 -6.2 16.9 | 205 7 3.1 6.7 14 545 5182 130 19 -14.6 12.2 | 111 6 -5.3 2.0 15 525 5486 135 14 -9.9 9.9 | 65 1 -0.6 -0.3 16 506 5791 120 10 -8.7 5.0 | 353 5 0.6 -5.2 17 500 5880 125 9 -7.4 5.2 | 339 5 1.9 -5.0 18 486 6096 115 8 -7.3 3.4 | 343 7 2.0 -6.8 19 449 6706 355 10 0.9 -10.0 | 333 23 10.1 -20.1 20 432 7010 315 11 7.8 -7.8 | 317 25 17.0 -18.0 21 400 7600 350 7 1.2 -6.9 | 328 20 10.5 -17.1 22 383 7925 350 13 2.3 -12.8 | 333 26 11.5 -23.0 23 367 8230 335 16 6.8 -14.5 | 327 29 16.0 -24.7 24 352 8534 315 16 11.3 -11.3 | 316 30 20.6 -21.5 25 338 8839 345 16 4.1 -15.5 | 332 29 13.4 -25.6 26 324 9144 320 13 8.4 -10.0 | 319 27 17.6 -20.1 27 300 9700 315 13 9.2 -9.2 | 316 27 18.5 -19.4 28 273 10363 320 13 8.4 -10.0 | 319 27 17.6 -20.1 29 250 10960 255 11 10.6 2.8 | 290 21 19.9 -7.3 30 250 10973 270 10 10.0 -0.0 | 298 22 19.3 -10.2 31 238 11278 250 10 9.4 3.4 | 290 20 18.7 -6.8 32 227 11582 235 15 12.3 8.6 | 274 22 21.6 -1.6 33 200 12430 225 36 25.5 25.5 | 246 38 34.7 15.3 34 198 12497 225 36 25.5 25.5 | 246 38 34.7 15.3 35 179 13106 240 22 19.1 11.0 | 268 28 28.3 0.8 36 171 13411 290 15 14.1 -5.1 | 303 28 23.4 -15.3 37 163 13716 300 18 15.6 -9.0 | 308 31 24.9 -19.2 38 155 14021 330 20 10.0 -17.3 | 325 34 19.3 -27.5 39 150 14220 335 28 11.8 -25.4 | 329 41 21.1 -35.6 40 140 14630 340 30 10.3 -28.2 | 333 43 19.5 -38.4 41 133 14935 340 15 5.1 -14.1 | 329 28 14.4 -24.3 42 126 15240 315 1 0.7 -0.7 | 318 15 10.0 -10.9 43 119 15545 170 12 -2.1 11.8 | 257 7 7.2 1.6 44 113 15850 210 23 11.5 19.9 | 245 23 20.8 9.7 45 108 16154 210 24 12.0 20.8 | 244 24 21.3 10.6 46 100 16580 225 13 9.2 9.2 | 273 18 18.5 -1.0 47 97 16764 225 13 9.2 9.2 | 273 18 18.5 -1.0 48 95 16869 220 12 7.7 9.2 | 273 17 17.0 -1.0 49 92 17069 220 11 7.1 8.4 | 276 16 16.3 -1.8 50 87 17374 180 5 0.0 5.0 | 299 11 9.3 -5.2 51 82 17678 105 27 -26.1 7.0 | 79 17 -16.8 -3.2 52 78 17983 135 12 -8.5 8.5 | 335 2 0.8 -1.7 53 74 18288 235 12 9.8 6.9 | 280 19 19.1 -3.3 54 70 18610 185 12 1.0 12.0 | 260 10 10.3 1.8 55 67 18898 225 13 9.2 9.2 | 273 18 18.5 -1.0 56 63 19202 185 11 1.0 11.0 | 266 10 10.2 0.8 57 60 19507 135 12 -8.5 8.5 | 335 2 0.8 -1.7 58 57 19812 200 3 1.0 2.8 | 306 13 10.3 -7.4 59 51 20422 55 10 -8.2 -5.7 | 356 16 1.1 -15.9 60 50 20540 65 29 -26.3 -12.3 | 37 28 -17.0 -22.4 61 46 21031 65 32 -29.0 -13.5 | 40 31 -19.7 -23.7 62 44 21336 90 31 -31.0 0.0 | 65 24 -21.7 -10.2 63 40 21946 85 55 -54.8 -4.8 | 72 48 -45.5 -15.0 64 34 22860 80 62 -61.1 -10.8 | 68 56 -51.8 -21.0 65 30 23600 105 58 -56.0 15.0 | 96 47 -46.8 4.8 66 29 23774 105 59 -57.0 15.3 | 96 48 -47.7 5.1 67 23 24689 105 57 -55.1 14.8 | 96 46 -45.8 4.6 68 17 25908 60 50 -43.3 -25.0 | 44 49 -34.0 -35.2 69 16 26213 70 51 -47.9 -17.4 | 54 48 -38.7 -27.6 70 15 26518 75 30 -29.0 -7.8 | 48 27 -19.7 -18.0 Wind Parameters Mean winds (0-6000m): 107.7 at 18.4 knts Storm direction: 137.7 at 13.8 knts Shear (0-3000m) pos: 3.4 neg: 0.8 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 82.7 deg Storm rel helicity (0-3000m) pos: 152.6 neg: -38.8 tot: 113.8 m^2/s^2 ave: 37.9 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 4.3 10^-3/s Energy-Hel index: 0.19 Bulk Rich Number: 8.89 Bulk Shear: 24.68 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 64 8 352 14| 16.7 0.0 16.7| 59.8 0.0 59.8 119.6 0.90| 17.5 15.8 1000 80 14 22 14| 13.8 0.0 13.8|105.1 0.0 105.1 105.1 0.91| 14.5 13.2 1500 87 19 41 15| 9.2 1.6 10.8|120.9 -6.3 114.6 76.4 0.81| 11.8 9.5 2000 90 21 50 16| 6.5 1.2 7.7|136.4 -6.3 130.1 65.1 0.74| 10.7 7.9 2500 94 22 55 15| 4.1 1.0 5.0|149.6 -15.0 134.6 53.8 0.57| 11.1 6.4 3000 94 22 55 15| 3.4 0.8 4.2|152.6 -38.8 113.8 37.9 0.39| 10.9 4.3 4000 98 20 56 13| 3.0 0.6 3.6|165.8 -38.8 127.0 31.8 0.43| 9.6 4.1 5000 106 20 65 11| 2.6 1.3 3.9|177.6 -51.2 126.4 25.3 0.33| 9.8 3.3 6000 108 18 61 9| 2.2 2.1 4.4|182.0 -55.0 127.0 21.2 0.26| 9.6 2.5 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251228.12.gif