UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122800.upa.cvt Date: 0000Z 28 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 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 87 SFC 971 344 25.2 21.7 81 3.5 22.7 330 3 300.9 304.0 296.8 351.0 17.07 2 960 445 26.4 20.4 70 6.0 22.1 357 6 303.1 306.0 296.7 350.2 15.91 3 925 775 24.0 19.9 78 4.1 21.1 40 12 303.8 306.8 297.0 351.5 16.01 4 850 1512 18.6 15.9 84 2.7 16.8 80 22 305.6 308.1 295.7 346.0 13.49 5 721 2909 10.2 10.0 99 0.2 10.1 89 20 311.1 313.2 295.3 344.1 10.76 6 700 3155 8.8 8.3 97 0.5 8.5 100 21 312.2 314.1 295.0 342.7 9.87 7 639 3906 7.4 -1.6 53 9.0 2.6 127 21 318.9 319.9 293.3 336.0 5.33 8 571 4822 1.8 -15.2 27 17.0 -4.9 122 19 322.7 323.1 291.6 329.7 2.05 9 550 5123 0.2 -11.8 40 12.0 -4.9 120 19 324.3 324.9 292.7 333.8 2.82 10 515 5647 -3.3 -17.3 33 14.0 -8.5 115 10 326.2 326.6 292.5 332.8 1.91 11 507 5770 -3.5 -30.5 10 27.0 -10.7 107 8 327.5 327.6 291.6 329.6 0.60 12 500 5880 -4.1 -29.1 12 25.0 -11.0 100 6 328.0 328.2 291.9 330.6 0.69 13 486 6104 -5.3 -16.3 42 11.0 -9.5 60 3 329.2 329.7 293.6 336.9 2.20 14 463 6484 -8.3 -18.3 44 10.0 -11.8 19 9 330.1 330.5 293.6 336.9 1.95 15 448 6740 -8.7 -41.7 5 33.0 -15.1 354 14 332.7 332.8 292.7 333.6 0.22 16 440 6880 -9.5 -40.5 6 31.0 -15.6 348 17 333.4 333.5 292.9 334.4 0.25 17 400 7610 -15.5 -36.5 15 21.0 -19.7 325 18 334.8 334.9 293.4 336.4 0.42 18 364 8311 -21.9 -32.9 36 11.0 -24.1 315 6 335.5 335.6 293.8 337.9 0.66 19 357 8453 -22.7 -35.7 30 13.0 -25.0 275 5 336.2 336.4 293.9 338.2 0.51 20 355 8494 -22.3 -42.3 14 20.0 -25.2 263 5 337.3 337.4 293.9 338.4 0.26 21 327 9093 -25.3 -49.3 9 24.0 -28.0 227 9 341.2 341.2 294.7 341.8 0.13 22 300 9710 -30.9 -51.9 11 21.0 -32.7 255 13 341.8 341.8 294.8 342.3 0.11 23 250 10970 -42.3 -54.3 26 12.0 -42.9 250 19 343.2 343.2 295.2 343.6 0.10 24 229 11558 -47.7 -56.7 35 9.0 -48.1 236 21 343.7 343.7 295.3 344.0 0.08 25 214 12003 -51.3 -61.3 29 10.0 -51.6 229 23 344.8 344.8 295.5 345.0 0.05 26 200 12440 -54.7 -63.7 32 9.0 -54.9 225 33 346.1 346.2 295.8 346.3 0.04 27 182 13037 -59.7 -67.7 35 8.0 -59.8 234 35 347.5 347.5 296.1 347.6 0.02 28 177 13211 -60.3 -72.3 19 12.0 -60.4 237 35 349.3 349.3 296.5 349.3 0.01 29 170 13462 -60.7 -75.7 12 15.0 -60.9 244 35 352.7 352.7 297.2 352.7 0.01 30 150 14230 -66.7 -72.7 42 6.0 -66.7 330 29 355.2 355.2 297.7 355.2 0.01 31 149 14270 -66.9 -72.9 42 6.0 -67.0 330 29 355.5 355.5 297.8 355.6 0.01 32 135 14860 -72.1 -80.1 29 8.0 -72.1 330 30 356.5 356.5 298.0 356.5 0.00 33 126 15267 -72.3 -86.3 10 14.0 -72.3 346 14 363.2 363.2 299.3 363.2 0.00 34 100 16600 -80.5 -89.5 21 9.0 -80.5 220 15 372.2 372.2 300.9 372.2 0.00 35 82 17703 -85.3 -91.3 33 6.0 -85.3 120 21 384.1 384.1 302.9 384.1 0.00 36 78 17979 -83.3 -92.3 19 9.0 -83.3 115 28 393.8 393.8 304.3 393.8 0.00 37 77 18051 -78.3 -89.3 15 11.0 -78.3 134 25 405.7 405.7 306.0 405.7 0.00 38 71 18510 -80.9 -90.9 17 10.0 -80.9 254 10 409.6 409.6 306.5 409.6 0.00 39 70 18590 -80.5 -90.5 17 10.0 -80.5 275 7 412.2 412.2 306.8 412.2 0.00 40 50 20530 -73.7 -90.7 6 17.0 -73.8 75 25 469.8 469.8 312.6 469.8 0.00 41 45 21149 -71.3 -91.3 4 20.0 -71.5 70 39 490.0 490.0 314.2 490.0 0.00 TRP 82 17703 -85.3 -91.3 33 6.0 -85.3 120 21 384.1 384.1 302.9 384.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 548.00 mb = 5153.15 m = 16906.44 ft Wetbulb zero: 615.45 mb = 4212.15 m = 13819.22 ft Precipitable water: 1.83 inches Sfc-500 mean rel hum: 66.07 % Est. max temperature: 31.08 C = 87.95 F Sfc-Lift cond lev (LCL): 922.92 mb = 794.62 m = 2606.99 ft T: 23.86 C 700-500 lapse rate: 4.73 C/km ThetaE index: 21.75 C Layer 850.0- 550.0 mb Conv cond level (CCL): 837.91 mb = 1633.59 m = 5359.49 ft Mean mixing ratio: 15.54 g/kg Conv temperature: 30.40 C = 86.72 F Cap Strength: 1.33 C Lifted Index: -1.19 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.59 C Lifted Index @700 mb: -1.83 C Showalter Index: 0.33 C Risk: Thunderstorms probable Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.00 C K Index: 38.10 Risk: > 80 % chance of thunderstorms Sweat Index: 240.80 Risk: None Energy Index: -2.94 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 852.68 J/kg Max Up Vert Vel: 41.30 m/s Conv Inhibition (B-): 24.94 J/kg Cap Strength: 1.33 C Lift Cond Lev (LCL): 865.32 mb = 1356.32 m = 4449.82 ft Lev Free Conv (LFC): 800.32 mb = 2023.03 m = 6637.14 ft Equ Level (EL): 640.32 mb = 3889.48 m = 12760.60 ft B at Equ Level: 70.24 J/kg Max Parcel Lev (MPL): 100.32 mb = 16581.66 m = 54401.10 ft Wind level data Storm motion: 129 at 13 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 ---------------------------------------------------------- 0 971 344 330 3 1.5 -2.6 | 312 16 11.7 -10.7 1 942 610 40 12 -7.7 -9.2 | 352 17 2.5 -17.3 2 925 775 40 12 -7.7 -9.2 | 352 17 2.5 -17.3 3 910 914 55 13 -10.6 -7.5 | 2 16 -0.5 -15.6 4 850 1512 80 22 -21.7 -3.8 | 44 17 -11.5 -11.9 5 849 1524 80 22 -21.7 -3.8 | 44 17 -11.5 -11.9 6 790 2134 85 26 -25.9 -2.3 | 57 19 -15.7 -10.4 7 762 2438 85 21 -20.9 -1.8 | 47 15 -10.7 -9.9 8 709 3048 90 20 -20.0 0.0 | 50 13 -9.8 -8.1 9 700 3155 100 21 -20.7 3.6 | 67 11 -10.5 -4.5 10 634 3962 130 21 -16.1 13.5 | 132 8 -5.9 5.4 11 610 4267 125 20 -16.4 11.5 | 118 7 -6.2 3.4 12 545 5182 120 19 -16.5 9.5 | 102 6 -6.3 1.4 13 525 5486 125 12 -9.8 6.9 | 343 1 0.4 -1.2 14 500 5880 100 6 -5.9 1.0 | 329 8 4.3 -7.1 15 486 6096 60 3 -2.6 -1.5 | 322 12 7.6 -9.6 16 449 6706 355 13 1.1 -13.0 | 332 24 11.3 -21.1 17 416 7315 330 26 13.0 -22.5 | 323 38 23.2 -30.6 18 400 7610 325 18 10.3 -14.7 | 318 31 20.5 -22.9 19 383 7925 320 12 7.7 -9.2 | 314 25 17.9 -17.3 20 367 8230 335 7 3.0 -6.3 | 318 20 13.2 -14.5 21 338 8839 160 2 -0.7 1.9 | 303 11 9.5 -6.2 22 324 9144 245 11 10.0 4.6 | 280 20 20.2 -3.5 23 311 9449 250 16 15.0 5.5 | 276 25 25.2 -2.6 24 300 9710 255 13 12.6 3.4 | 282 23 22.8 -4.8 25 250 10970 250 19 17.9 6.5 | 273 28 28.1 -1.6 26 250 10973 260 19 18.7 3.3 | 279 29 28.9 -4.8 27 239 11278 240 21 18.2 10.5 | 265 28 28.4 2.4 28 218 11887 230 21 16.1 13.5 | 258 27 26.3 5.4 29 200 12440 225 33 23.3 23.3 | 246 37 33.5 15.2 30 171 13411 240 36 31.2 18.0 | 257 43 41.4 9.9 31 155 14021 305 24 19.7 -13.8 | 306 37 29.9 -21.9 32 150 14230 330 29 14.5 -25.1 | 323 41 24.7 -33.2 33 148 14326 330 28 14.0 -24.2 | 323 40 24.2 -32.4 34 133 14935 330 30 15.0 -26.0 | 324 42 25.2 -34.1 35 126 15240 350 14 2.4 -13.8 | 330 25 12.6 -21.9 36 120 15545 220 1 0.6 0.8 | 304 13 10.8 -7.4 37 114 15850 160 12 -4.1 11.3 | 243 7 6.1 3.2 38 100 16600 220 15 9.6 11.5 | 260 20 19.8 3.4 39 97 16764 220 16 10.3 12.3 | 259 21 20.5 4.1 40 92 17069 210 13 6.5 11.3 | 259 17 16.7 3.1 41 82 17678 180 6 0.0 6.0 | 282 10 10.2 -2.1 42 82 17703 120 21 -18.2 10.5 | 107 8 -8.0 2.4 43 78 17983 115 28 -25.4 11.8 | 104 16 -15.2 3.7 44 70 18590 275 7 7.0 -0.6 | 297 19 17.2 -8.7 45 70 18593 240 2 1.7 1.0 | 301 14 11.9 -7.1 46 66 18898 270 11 11.0 -0.0 | 291 23 21.2 -8.1 47 63 19202 265 13 13.0 1.1 | 287 24 23.1 -7.0 48 57 19812 245 11 10.0 4.6 | 280 20 20.2 -3.5 49 51 20422 50 11 -8.4 -7.1 | 353 15 1.8 -15.2 50 50 20530 75 25 -24.1 -6.5 | 44 20 -14.0 -14.6 51 48 20726 75 25 -24.1 -6.5 | 44 20 -14.0 -14.6 52 45 21031 70 39 -36.6 -13.3 | 51 34 -26.5 -21.5 53 42 21336 80 45 -44.3 -7.8 | 65 38 -34.1 -15.9 Wind Parameters Mean winds (0-6000m): 98.5 at 17.4 knts Storm direction: 128.5 at 13.0 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 126.2 deg Storm rel helicity (0-3000m) pos: 156.6 neg: -11.4 tot: 145.2 m^2/s^2 ave: 48.4 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 5.9 10^-3/s Energy-Hel index: 0.73 Bulk Rich Number: 26.83 Bulk Shear: 31.78 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 36 10 344 17| 12.5 0.0 12.5| 62.7 0.0 62.7 125.4 0.93| 14.9 14.0 1000 54 13 0 16| 10.5 0.0 10.5|103.4 0.0 103.4 103.4 0.95| 12.6 12.0 1500 67 16 17 15| 8.7 0.0 8.7|128.1 0.0 128.1 85.4 0.95| 10.4 9.9 2000 73 18 29 15| 6.2 0.0 6.2|136.7 -7.8 128.9 64.4 0.81| 9.2 7.4 2500 76 19 33 15| 4.5 0.0 4.5|138.6 -11.4 127.2 50.9 0.74| 7.9 5.9 3000 80 19 37 14| 4.0 0.0 4.0|156.6 -11.4 145.2 48.4 0.76| 7.8 5.9 4000 91 20 51 12| 3.1 0.1 3.2|174.4 -14.8 159.6 39.9 0.73| 7.2 5.2 5000 98 19 59 11| 2.0 0.2 2.2|174.4 -18.5 155.9 31.2 0.62| 6.3 3.9 6000 99 17 52 9| 1.7 1.6 3.3|183.9 -24.1 159.8 26.6 0.44| 6.9 3.0 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251228.00.gif