UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 11 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 104 SFC 973 344 25.8 19.8 70 6.0 21.6 10 7 301.3 304.1 295.7 345.7 15.11 2 925 787 20.4 19.4 94 1.0 19.7 50 19 300.2 303.0 295.7 345.6 15.51 3 875 1266 17.6 17.6 100 0.0 17.6 67 26 302.1 304.8 295.6 345.2 14.63 4 851 1505 18.2 14.7 80 3.5 15.8 75 30 305.1 307.4 294.9 342.3 12.45 5 850 1515 18.2 14.7 80 3.5 15.8 75 30 305.2 307.5 294.9 342.5 12.47 6 715 2983 11.4 2.4 54 9.0 6.3 95 21 313.2 314.4 292.6 333.2 6.37 7 700 3160 10.0 5.0 71 5.0 7.1 95 20 313.6 315.1 293.8 338.0 7.84 8 698 3184 9.8 5.3 74 4.5 7.1 95 20 313.6 315.1 294.0 338.6 8.03 9 625 4094 5.4 -1.6 61 7.0 1.7 97 13 318.6 319.7 293.3 336.1 5.45 10 601 4413 4.0 -11.0 33 15.0 -2.5 106 11 320.6 321.1 291.6 329.7 2.75 11 578 4729 1.2 -4.8 64 6.0 -1.8 113 10 320.9 321.8 293.3 336.0 4.64 12 569 4855 0.6 -13.4 34 14.0 -5.1 111 10 321.7 322.1 291.6 329.7 2.39 13 546 5185 -1.7 -14.7 36 13.0 -6.8 120 14 322.7 323.2 291.8 330.3 2.24 14 537 5317 -3.1 -5.4 84 2.3 -4.2 114 14 322.6 323.5 293.9 338.2 4.77 15 530 5421 -3.5 -11.5 54 8.0 -6.8 109 14 323.3 323.9 292.6 333.4 2.99 16 518 5602 -4.7 -8.3 76 3.6 -6.3 100 14 324.0 324.8 293.6 337.1 3.95 17 514 5663 -5.1 -7.5 83 2.4 -6.2 97 14 324.3 325.1 293.9 338.3 4.24 18 500 5880 -5.9 -11.9 63 6.0 -8.4 90 13 325.8 326.5 293.4 336.2 3.07 19 484 6135 -6.9 -19.9 35 13.0 -11.3 95 12 327.7 328.0 292.6 333.3 1.63 20 478 6232 -7.7 -15.7 53 8.0 -10.7 95 12 327.8 328.3 293.3 335.9 2.35 21 452 6666 -9.3 -23.3 31 14.0 -13.6 95 13 331.1 331.4 293.3 335.8 1.29 22 441 6856 -11.3 -15.7 70 4.4 -12.9 95 14 330.9 331.4 294.3 339.8 2.55 23 435 6961 -11.7 -19.7 51 8.0 -14.3 95 14 331.7 332.1 293.9 338.2 1.84 24 432 7014 -12.3 -17.1 67 4.8 -14.0 95 14 331.6 332.1 294.3 339.7 2.32 25 425 7139 -13.1 -20.1 56 7.0 -15.4 101 13 332.2 332.5 294.0 338.6 1.82 26 422 7193 -13.3 -31.3 20 18.0 -17.5 104 13 332.6 332.7 293.0 335.0 0.66 27 417 7284 -13.1 -38.1 10 25.0 -18.0 108 12 334.0 334.0 293.2 335.3 0.34 28 415 7321 -13.5 -23.5 43 10.0 -16.4 110 12 333.9 334.2 294.0 338.9 1.39 29 404 7525 -15.3 -19.9 68 4.6 -16.8 81 8 334.2 334.5 294.6 341.1 1.95 30 400 7600 -15.7 -21.7 60 6.0 -17.6 70 6 334.6 334.9 294.4 340.6 1.69 31 392 7752 -17.1 -22.1 65 5.0 -18.6 33 8 334.7 335.0 294.5 340.6 1.66 32 384 7907 -16.5 -29.5 32 13.0 -19.7 356 10 337.5 337.6 294.5 340.7 0.86 33 372 8145 -17.3 -33.3 23 16.0 -20.8 340 11 339.5 339.6 294.8 341.8 0.62 34 353 8537 -19.9 -43.9 10 24.0 -23.6 343 14 341.1 341.1 294.8 342.0 0.22 35 300 9720 -30.1 -45.1 22 15.0 -31.8 35 14 343.0 343.0 295.3 343.9 0.23 36 276 10307 -35.3 -49.3 23 14.0 -36.5 63 12 343.7 343.8 295.4 344.4 0.16 37 250 10990 -39.7 -60.7 9 21.0 -40.7 255 13 347.0 347.1 296.0 347.2 0.04 38 237 11351 -42.3 -64.3 7 22.0 -43.2 267 16 348.5 348.5 296.3 348.6 0.03 39 209 12184 -49.5 -67.5 10 18.0 -50.0 255 33 350.0 350.0 296.7 350.0 0.02 40 206 12279 -50.3 -60.3 30 10.0 -50.6 255 33 350.1 350.2 296.7 350.4 0.06 41 200 12470 -52.1 -66.1 17 14.0 -52.4 255 32 350.3 350.3 296.7 350.4 0.03 42 195 12633 -53.3 -71.3 9 18.0 -53.6 253 33 350.9 350.9 296.8 351.0 0.01 43 192 12733 -53.7 -63.7 28 10.0 -53.9 252 34 351.8 351.8 297.1 352.0 0.04 44 189 12834 -54.5 -73.5 8 19.0 -54.8 251 35 352.1 352.1 297.1 352.2 0.01 45 157 13993 -65.1 -68.5 63 3.4 -65.1 238 45 353.3 353.3 297.4 353.4 0.02 46 150 14270 -67.1 -74.1 36 7.0 -67.1 235 47 354.5 354.5 297.6 354.5 0.01 47 147 14392 -67.9 -75.9 31 8.0 -67.9 234 49 355.2 355.2 297.7 355.2 0.01 48 132 15030 -73.1 -75.3 72 2.2 -73.1 228 44 357.0 357.0 298.1 357.0 0.01 49 102 16500 -83.7 -87.6 50 3.9 -83.7 245 25 363.9 363.9 299.5 364.0 0.00 50 101 16555 -83.7 -87.7 49 4.0 -83.7 248 24 365.0 365.0 299.7 365.0 0.00 51 100 16610 -83.3 -87.6 47 4.3 -83.3 250 23 366.8 366.8 300.0 366.8 0.00 52 87 17373 -88.3 -91.9 51 3.6 -88.3 225 18 371.6 371.6 300.8 371.6 0.00 53 81 17765 -82.9 -88.9 35 6.0 -82.9 252 16 390.4 390.4 303.9 390.4 0.00 54 71 18501 -81.7 -88.7 29 7.0 -81.7 29 8 407.9 407.9 306.2 407.9 0.00 55 70 18580 -82.1 -88.1 35 6.0 -82.1 40 7 408.7 408.7 306.3 408.8 0.00 56 69 18661 -82.1 -89.1 29 7.0 -82.1 321 3 410.4 410.4 306.6 410.4 0.00 57 60 19460 -74.3 -88.3 10 14.0 -74.4 98 15 444.6 444.6 310.3 444.6 0.00 58 54 20072 -75.3 -89.3 9 14.0 -75.4 58 4 455.9 455.9 311.4 455.9 0.00 59 50 20520 -74.3 -90.3 7 16.0 -74.4 80 29 468.4 468.4 312.5 468.4 0.00 60 30 23610 -60.9 -87.9 2 27.0 -61.7 85 67 578.6 578.6 319.6 578.7 0.01 61 28 24039 -61.3 -88.3 2 27.0 -62.1 85 68 589.0 589.0 320.1 589.1 0.01 62 27 24266 -60.0 -87.6 2 27.6 -61.0 85 69 598.9 598.9 320.6 598.9 0.01 63 20 26190 -49.1 -82.1 1 33.0 -52.8 85 58 685.9 685.9 324.0 686.1 0.02 64 17 27273 -42.1 -79.1 1 37.0 -49.0 87 53 741.0 741.0 325.7 741.4 0.05 65 16 27683 -42.3 -79.3 1 37.0 -49.4 89 49 753.3 753.3 326.0 753.7 0.05 TRP 87 17373 -88.3 -91.9 51 3.6 -88.3 225 18 371.6 371.6 300.8 371.6 0.00 WND 27 24266 -60.0 -87.6 2 27.6 -61.0 85 69 598.9 598.9 320.6 598.9 0.01 Sounding variables and indices 1000-500 mb thick: 5776.00 m Freezing level: 563.00 mb = 4941.45 m = 16211.91 ft Wetbulb zero: 615.42 mb = 4220.02 m = 13845.04 ft Precipitable water: 1.74 inches Sfc-500 mean rel hum: 66.99 % Est. max temperature: 31.16 C = 88.09 F Sfc-Lift cond lev (LCL): 891.57 mb = 1104.36 m = 3623.18 ft T: 18.55 C 700-500 lapse rate: 5.85 C/km ThetaE index: 9.35 C Layer 715.0- 700.0 mb Conv cond level (CCL): 890.04 mb = 1119.17 m = 3671.76 ft Mean mixing ratio: 15.17 g/kg Conv temperature: 25.98 C = 78.77 F Cap Strength: 1.54 C Lifted Index: -1.35 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.76 C Lifted Index @700 mb: 0.66 C Showalter Index: -0.12 C Risk: Thunderstorms probable Total Totals Index: 44.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.60 C K Index: 33.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 249.40 Risk: None Energy Index: -1.24 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 101.94 J/kg Max Up Vert Vel: 14.28 m/s Conv Inhibition (B-): 107.10 J/kg Cap Strength: 1.52 C Lift Cond Lev (LCL): 897.06 mb = 1051.42 m = 3449.50 ft Lev Free Conv (LFC): 582.06 mb = 4672.49 m = 15329.52 ft Equ Level (EL): 382.06 mb = 7945.04 m = 26066.10 ft B at Equ Level: 96.80 J/kg Max Parcel Lev (MPL): 282.06 mb = 10154.21 m = 33313.94 ft Wind level data Storm motion: 114 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 ---------------------------------------------------------- 0 973 344 10 7 -1.2 -6.9 | 318 17 11.0 -12.4 1 944 610 35 14 -8.0 -11.5 | 346 17 4.2 -17.0 2 925 787 50 19 -14.6 -12.2 | 7 18 -2.3 -17.7 3 911 914 55 21 -17.2 -12.0 | 16 18 -5.0 -17.5 4 850 1515 75 30 -29.0 -7.8 | 52 21 -16.7 -13.3 5 849 1524 75 30 -29.0 -7.8 | 52 21 -16.7 -13.3 6 790 2134 75 27 -26.1 -7.0 | 48 19 -13.8 -12.5 7 762 2438 75 24 -23.2 -6.2 | 43 16 -10.9 -11.7 8 735 2743 95 23 -22.9 2.0 | 72 11 -10.7 -3.5 9 700 3160 95 20 -19.9 1.7 | 64 9 -7.7 -3.7 10 658 3658 90 16 -16.0 0.0 | 34 7 -3.7 -5.5 11 610 4267 100 12 -11.8 2.1 | 353 3 0.4 -3.4 12 588 4572 115 10 -9.1 4.2 | 292 3 3.2 -1.3 13 566 4877 110 10 -9.4 3.4 | 306 4 2.9 -2.1 14 545 5182 120 14 -12.1 7.0 | 185 2 0.1 1.5 15 506 5791 90 14 -14.0 0.0 | 18 6 -1.7 -5.5 16 500 5880 90 13 -13.0 0.0 | 8 6 -0.7 -5.5 17 486 6096 95 12 -12.0 1.0 | 356 4 0.3 -4.4 18 432 7010 95 14 -13.9 1.2 | 22 5 -1.7 -4.3 19 415 7315 110 12 -11.3 4.1 | 325 2 1.0 -1.4 20 400 7600 70 6 -5.6 -2.1 | 319 10 6.6 -7.5 21 383 7925 350 10 1.7 -9.8 | 318 21 14.0 -15.3 22 367 8230 335 12 5.1 -10.9 | 313 24 17.3 -16.4 23 324 9144 360 19 -0.0 -19.0 | 333 27 12.3 -24.5 24 311 9449 360 15 -0.0 -15.0 | 329 24 12.3 -20.5 25 300 9720 35 14 -8.0 -11.5 | 346 17 4.2 -17.0 26 299 9754 45 15 -10.6 -10.6 | 354 16 1.6 -16.1 27 262 10668 75 10 -9.7 -2.6 | 342 8 2.6 -8.1 28 251 10973 255 11 10.6 2.8 | 277 23 22.9 -2.6 29 250 10990 255 13 12.6 3.4 | 275 25 24.8 -2.1 30 229 11582 275 18 17.9 -1.6 | 283 31 30.2 -7.1 31 209 12192 255 33 31.9 8.5 | 266 44 44.1 3.0 32 200 12470 255 32 30.9 8.3 | 266 43 43.2 2.8 33 150 14270 235 47 38.5 27.0 | 247 55 50.8 21.5 34 149 14326 235 50 41.0 28.7 | 246 58 53.2 23.2 35 114 15850 220 37 23.8 28.3 | 238 43 36.0 22.9 36 100 16610 250 23 21.6 7.9 | 266 34 33.9 2.4 37 97 16764 260 29 28.6 5.0 | 271 41 40.8 -0.5 38 92 17069 235 25 20.5 14.3 | 255 34 32.7 8.8 39 87 17373 225 18 12.7 12.7 | 254 26 25.0 7.2 40 82 17678 225 18 12.7 12.7 | 254 26 25.0 7.2 41 78 17983 315 11 7.8 -7.8 | 304 24 20.0 -13.3 42 70 18580 40 7 -4.5 -5.4 | 324 13 7.8 -10.9 43 70 18593 295 1 0.9 -0.4 | 294 14 13.2 -5.9 44 66 18898 50 11 -8.4 -7.1 | 343 13 3.8 -12.6 45 63 19202 85 23 -22.9 -2.0 | 55 13 -10.7 -7.5 46 60 19507 100 14 -13.8 2.4 | 27 3 -1.5 -3.1 47 54 20117 55 3 -2.5 -1.7 | 306 12 9.8 -7.2 48 51 20422 45 13 -9.2 -9.2 | 348 15 3.1 -14.7 49 50 20520 80 29 -28.6 -5.0 | 57 19 -16.3 -10.5 50 46 21031 85 41 -40.8 -3.6 | 72 30 -28.6 -9.1 51 44 21336 90 49 -49.0 0.0 | 81 37 -36.7 -5.5 52 42 21641 80 48 -47.3 -8.3 | 68 38 -35.0 -13.8 53 40 21946 95 58 -57.8 5.1 | 89 46 -45.5 -0.4 54 32 23165 80 58 -57.1 -10.1 | 71 47 -44.9 -15.6 55 30 23610 85 67 -66.7 -5.8 | 78 56 -54.5 -11.3 56 27 24266 85 69 -68.7 -6.0 | 78 58 -56.5 -11.5 57 25 24689 85 69 -68.7 -6.0 | 78 58 -56.5 -11.5 58 20 26190 85 58 -57.8 -5.1 | 77 47 -45.5 -10.5 59 18 26518 85 58 -57.8 -5.1 | 77 47 -45.5 -10.5 60 16 27127 90 47 -47.0 0.0 | 81 35 -34.7 -5.5 61 14 27432 120 16 -13.9 8.0 | 147 3 -1.6 2.5 62 13 27737 150 23 -11.5 19.9 | 183 14 0.8 14.4 Wind Parameters Mean winds (0-6000m): 84.2 at 17.9 knts Storm direction: 114.2 at 13.4 knts Shear (0-3000m) pos: 4.4 neg: 1.2 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 96.1 deg Storm rel helicity (0-3000m) pos: 167.9 neg: -19.1 tot: 148.8 m^2/s^2 ave: 49.6 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 5.3 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 4.59 Bulk Shear: 22.21 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 38 14 347 17| 15.9 0.0 15.9| 73.9 0.0 73.9 147.8 0.99| 16.6 16.6 1000 53 19 9 17| 12.7 0.0 12.7|124.5 0.0 124.5 124.5 0.99| 13.6 13.5 1500 63 22 26 17| 9.0 0.0 9.0|144.5 -3.3 141.2 94.1 0.92| 10.9 10.0 2000 67 23 32 17| 6.8 0.9 7.6|144.5 -11.2 133.3 66.7 0.78| 9.1 7.1 2500 70 23 36 17| 5.3 0.7 6.0|167.9 -13.5 154.3 61.7 0.74| 9.3 6.9 3000 74 23 40 15| 4.4 1.2 5.6|167.9 -19.1 148.8 49.6 0.64| 8.4 5.3 4000 78 21 39 13| 3.0 1.4 4.3|167.9 -28.1 139.8 34.9 0.43| 7.4 3.2 5000 82 19 39 10| 2.6 1.1 3.8|168.4 -30.9 137.5 27.5 0.28| 6.8 1.9 6000 84 18 37 9| 2.2 1.0 3.2|168.9 -34.8 134.1 22.3 0.21| 6.4 1.3 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251211.12.gif