UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122212.upa.cvt Date: 1200Z 22 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 22 DEC 25 Station: SBNT WMO ident: 82599 Latitude: -5.92 Longitude: -35.25 Elevation: 52.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1008 52 27.8 21.8 70 6.0 23.5 115 10 300.3 303.3 296.3 348.7 16.53 1 1000 108 26.0 21.0 74 5.0 22.5 115 15 299.1 302.0 295.6 345.4 15.85 2 963 440 22.8 20.5 87 2.3 21.2 120 18 299.2 302.1 295.7 345.7 15.96 3 925 791 20.2 17.4 84 2.8 18.3 115 20 300.0 302.5 294.3 339.9 13.64 4 857 1446 16.6 6.6 52 10.0 10.7 124 16 302.8 304.1 290.0 324.2 7.15 5 853 1486 16.2 11.8 75 4.4 13.4 124 16 302.8 304.7 292.6 333.2 10.25 6 851 1506 16.2 11.6 74 4.6 13.3 125 16 303.0 304.9 292.6 333.1 10.13 7 850 1516 16.4 9.4 63 7.0 12.1 125 16 303.3 304.9 291.6 329.4 8.74 8 847 1546 17.0 2.0 36 15.0 8.8 124 17 304.3 305.2 288.8 320.1 5.22 9 830 1719 16.0 8.0 59 8.0 11.2 116 14 305.0 306.5 291.6 329.5 8.13 10 828 1740 16.0 10.0 68 6.0 12.3 114 13 305.2 306.9 292.6 333.3 9.35 11 818 1843 17.4 4.4 42 13.0 9.9 111 12 307.7 308.9 291.0 327.4 6.42 12 713 3002 9.6 2.6 62 7.0 5.6 79 12 311.5 312.7 292.2 331.6 6.49 13 709 3049 10.0 -8.0 27 18.0 1.8 75 12 312.4 313.0 289.3 321.9 2.95 14 703 3119 10.4 -4.6 34 15.0 3.0 72 13 313.6 314.4 290.6 325.9 3.86 15 700 3155 10.2 -4.8 34 15.0 2.8 70 14 313.8 314.5 290.6 326.0 3.82 16 674 3469 8.8 -8.2 29 17.0 1.0 61 12 315.6 316.2 290.5 325.5 3.05 17 656 3693 7.0 -7.0 36 14.0 0.4 55 10 316.1 316.7 290.9 327.2 3.45 18 637 3934 4.6 -0.3 70 4.9 2.0 55 12 316.0 317.1 293.0 334.7 5.89 19 618 4180 3.0 -3.0 65 6.0 -0.0 55 14 316.9 317.9 292.4 332.8 4.97 20 580 4691 -1.5 -1.5 100 0.0 -1.5 58 20 317.4 318.6 293.4 336.3 5.92 21 532 5374 -6.7 -7.7 93 1.0 -7.1 46 17 319.2 319.9 292.3 332.3 4.03 22 524 5492 -5.5 -15.5 45 10.0 -9.2 33 15 322.0 322.4 291.5 329.4 2.18 23 502 5829 -6.7 -33.7 10 27.0 -12.9 352 10 324.5 324.6 290.6 326.1 0.44 24 500 5860 -6.9 -33.9 10 27.0 -13.1 345 10 324.6 324.7 290.6 326.2 0.43 25 473 6292 -8.3 -36.3 8 28.0 -14.3 308 8 328.1 328.2 291.6 329.5 0.36 26 433 6971 -12.9 -38.9 9 26.0 -17.8 320 9 330.6 330.7 292.2 331.8 0.30 27 428 7060 -13.3 -23.3 43 10.0 -16.2 321 9 331.2 331.5 293.3 336.1 1.37 28 400 7570 -18.1 -22.0 71 3.9 -19.2 330 10 331.5 331.8 293.6 337.3 1.64 29 396 7645 -18.7 -21.5 79 2.8 -19.5 336 10 331.6 332.0 293.7 337.8 1.73 30 376 8029 -19.9 -22.6 79 2.7 -20.7 337 17 335.0 335.3 294.6 340.9 1.66 31 330 8982 -26.9 -27.3 96 0.4 -27.0 301 36 338.1 338.4 295.0 342.7 1.23 32 324 9113 -27.9 -29.6 85 1.7 -28.2 304 37 338.5 338.7 294.8 342.3 1.01 33 300 9660 -32.3 -36.2 68 3.9 -32.9 290 37 339.9 340.0 294.8 342.1 0.58 34 299 9684 -32.5 -37.0 64 4.5 -33.1 290 37 339.9 340.0 294.8 342.0 0.53 35 290 9898 -34.3 -36.6 80 2.3 -34.6 291 38 340.3 340.4 294.9 342.5 0.57 36 265 10523 -39.1 -49.1 34 10.0 -39.8 293 40 342.2 342.2 295.0 342.9 0.17 37 263 10575 -39.7 -51.7 27 12.0 -40.5 293 40 342.0 342.1 294.9 342.6 0.12 38 250 10920 -42.7 -49.7 46 7.0 -43.2 295 42 342.6 342.6 295.1 343.3 0.16 39 235 11334 -46.5 -50.5 64 4.0 -46.7 295 44 342.9 343.0 295.2 343.6 0.16 40 203 12285 -55.3 -58.4 68 3.1 -55.4 295 48 343.7 343.7 295.3 344.0 0.07 41 200 12380 -56.1 -59.4 66 3.3 -56.2 295 48 343.9 343.9 295.3 344.2 0.06 42 182 12973 -61.1 -66.1 51 5.0 -61.2 291 51 345.2 345.2 295.6 345.3 0.03 43 166 13539 -64.9 -70.9 43 6.0 -65.0 283 51 348.0 348.0 296.2 348.1 0.02 44 159 13803 -63.3 -79.3 10 16.0 -63.4 276 43 355.1 355.1 297.7 355.1 0.00 45 150 14160 -64.1 -82.1 7 18.0 -64.2 310 13 359.7 359.7 298.7 359.7 0.00 46 100 16560 -76.5 -88.5 13 12.0 -76.5 45 11 379.9 379.9 302.2 379.9 0.00 47 87 17355 -78.5 -90.5 12 12.0 -78.5 315 11 391.3 391.3 304.0 391.3 0.00 48 74 18280 -76.1 -91.1 8 15.0 -76.2 59 10 414.9 414.9 307.1 414.9 0.00 49 70 18600 -76.3 -90.3 9 14.0 -76.3 225 7 421.2 421.2 307.9 421.2 0.00 50 50 20560 -71.1 -90.1 4 19.0 -71.2 95 23 475.9 475.9 313.1 476.0 0.00 51 43 21453 -71.1 -91.1 4 20.0 -71.2 98 35 496.9 496.9 314.7 496.9 0.00 52 33 23043 -64.8 -91.1 2 26.3 -65.3 90 59 552.6 552.6 318.2 552.6 0.00 53 32 23232 -64.1 -91.1 1 27.0 -64.6 90 59 559.5 559.5 318.6 559.5 0.00 TRP 87 17355 -78.5 -90.5 12 12.0 -78.5 315 11 391.3 391.3 304.0 391.3 0.00 WND 33 23043 -64.8 -91.1 2 26.3 -65.3 90 59 552.6 552.6 318.2 552.6 0.00 Sounding variables and indices 1000-500 mb thick: 5752.00 m Freezing level: 592.67 mb = 4520.67 m = 14831.43 ft Wetbulb zero: 618.37 mb = 4175.38 m = 13698.58 ft Precipitable water: 1.61 inches Sfc-500 mean rel hum: 62.78 % Est. max temperature: 30.32 C = 86.58 F Sfc-Lift cond lev (LCL): 924.08 mb = 799.58 m = 2623.26 ft T: 20.15 C 700-500 lapse rate: 6.32 C/km ThetaE index: 21.50 C Layer 925.0- 853.0 mb Conv cond level (CCL): 884.89 mb = 1171.35 m = 3842.97 ft Mean mixing ratio: 14.93 g/kg Conv temperature: 29.17 C = 84.50 F Cap Strength: 2.79 C Lifted Index: -1.41 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.09 C Lifted Index @700 mb: 1.57 C Showalter Index: 4.62 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 16.30 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 154.80 Risk: None Energy Index: -0.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 245.38 J/kg Max Up Vert Vel: 22.15 m/s Conv Inhibition (B-): 120.80 J/kg Cap Strength: 2.67 C Lift Cond Lev (LCL): 912.01 mb = 912.38 m = 2993.34 ft Lev Free Conv (LFC): 637.01 mb = 3933.76 m = 12905.89 ft Equ Level (EL): 277.01 mb = 10216.18 m = 33517.25 ft B at Equ Level: 243.27 J/kg Max Parcel Lev (MPL): 157.01 mb = 13879.97 m = 45537.42 ft Wind level data Storm motion: 114 at 11 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 1008 52 115 10 -9.1 4.2 | 290 1 1.0 -0.4 1 1000 108 115 15 -13.6 6.3 | 116 4 -3.5 1.8 2 978 305 120 18 -15.6 9.0 | 129 7 -5.5 4.4 3 944 610 120 17 -14.7 8.5 | 130 6 -4.7 3.9 4 925 791 115 20 -18.1 8.5 | 116 9 -8.1 3.9 5 912 914 115 20 -18.1 8.5 | 116 9 -8.1 3.9 6 850 1516 125 16 -13.1 9.2 | 146 6 -3.0 4.6 7 849 1524 125 17 -13.9 9.8 | 143 6 -3.9 5.2 8 819 1829 110 12 -11.3 4.1 | 69 1 -1.2 -0.5 9 790 2134 125 11 -9.0 6.3 | 211 2 1.0 1.7 10 762 2438 130 10 -7.7 6.4 | 232 3 2.4 1.8 11 709 3048 75 12 -11.6 -3.1 | 11 8 -1.5 -7.7 12 700 3155 70 14 -13.2 -4.8 | 18 10 -3.1 -9.4 13 658 3658 55 10 -8.2 -5.7 | 350 10 1.9 -10.3 14 610 4267 55 15 -12.3 -8.6 | 10 13 -2.2 -13.2 15 565 4877 60 23 -19.9 -11.5 | 32 19 -9.9 -16.1 16 544 5182 65 19 -17.2 -8.0 | 30 15 -7.2 -12.6 17 504 5791 360 11 -0.0 -11.0 | 327 19 10.1 -15.6 18 500 5860 345 10 2.6 -9.7 | 318 19 12.6 -14.2 19 485 6096 305 8 6.6 -4.6 | 299 19 16.6 -9.2 20 400 7570 330 10 5.0 -8.7 | 311 20 15.1 -13.2 21 397 7620 335 10 4.2 -9.1 | 314 20 14.3 -13.6 22 381 7925 345 14 3.6 -13.5 | 323 23 13.7 -18.1 23 365 8230 320 25 16.1 -19.2 | 312 35 26.1 -23.7 24 350 8534 290 30 28.2 -10.3 | 291 41 38.2 -14.8 25 322 9144 305 38 31.1 -21.8 | 303 49 41.2 -26.4 26 300 9660 290 37 34.8 -12.7 | 291 48 44.8 -17.2 27 296 9754 290 37 34.8 -12.7 | 291 48 44.8 -17.2 28 250 10920 295 42 38.1 -17.7 | 295 53 48.1 -22.3 29 200 12380 295 48 43.5 -20.3 | 295 59 53.6 -24.9 30 178 13106 290 52 48.9 -17.8 | 291 63 58.9 -22.4 31 161 13716 280 51 50.2 -8.9 | 283 62 60.3 -13.4 32 153 14021 265 20 19.9 1.7 | 275 30 30.0 -2.8 33 150 14160 310 13 10.0 -8.4 | 303 24 20.0 -12.9 34 146 14326 320 14 9.0 -10.7 | 309 24 19.1 -15.3 35 132 14935 315 12 8.5 -8.5 | 305 23 18.5 -13.1 36 125 15240 360 10 -0.0 -10.0 | 325 18 10.1 -14.6 37 119 15545 345 15 3.9 -14.5 | 324 24 13.9 -19.1 38 113 15850 10 10 -1.7 -9.8 | 330 17 8.3 -14.4 39 100 16560 45 11 -7.8 -7.8 | 350 13 2.3 -12.4 40 96 16764 45 10 -7.1 -7.1 | 346 12 3.0 -11.6 41 87 17355 315 11 7.8 -7.8 | 305 22 17.8 -12.4 42 87 17374 350 15 2.6 -14.8 | 327 23 12.7 -19.4 43 82 17678 310 10 7.7 -6.4 | 302 21 17.7 -11.0 44 78 17983 0 0 -0.0 -0.0 | 294 11 10.1 -4.6 45 74 18288 60 10 -8.7 -5.0 | 352 10 1.4 -9.6 46 70 18600 225 7 4.9 4.9 | 269 15 15.0 0.4 47 67 18898 205 10 4.2 9.1 | 253 15 14.3 4.5 48 63 19202 165 11 -2.8 10.6 | 230 9 7.2 6.0 49 60 19507 30 13 -6.5 -11.3 | 347 16 3.6 -15.8 50 57 19812 30 12 -6.0 -10.4 | 345 16 4.1 -15.0 51 54 20117 55 11 -9.0 -6.3 | 355 11 1.0 -10.9 52 51 20422 85 16 -15.9 -1.4 | 45 8 -5.9 -6.0 53 50 20560 95 23 -22.9 2.0 | 79 13 -12.9 -2.6 54 46 21031 100 29 -28.6 5.0 | 91 19 -18.5 0.5 55 33 23043 90 59 -59.0 0.0 | 85 49 -48.9 -4.6 56 30 23470 90 59 -59.0 0.0 | 85 49 -48.9 -4.6 Wind Parameters Mean winds (0-6000m): 84.5 at 14.7 knts Storm direction: 114.5 at 11.0 knts Shear (0-3000m) pos: 0.9 neg: 2.1 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 82.1 deg Storm rel helicity (0-3000m) pos: 9.5 neg: -7.4 tot: 2.2 m^2/s^2 ave: 0.7 10^-3 m/s^2 rel: -0.09 Storm rel vorticity (0-3000m) horiz: 7.1 stream: -0.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 21.39 Bulk Shear: 11.47 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 ------------------------------------------------------------------------------- 500 119 16 127 6| 7.5 0.0 7.5| 1.5 -0.2 1.3 2.6 -0.61| 12.6 -7.6 1000 118 18 123 7| 3.7 1.1 4.8| 3.4 -3.9 -0.5 -0.5 -0.51| 8.6 -4.3 1500 119 18 126 7| 1.9 0.7 2.6| 7.9 -4.0 3.9 2.6 -0.30| 6.9 -2.1 2000 118 16 126 6| 1.4 1.0 2.4| 8.2 -6.3 1.9 1.0 -0.25| 7.2 -1.8 2500 119 15 132 4| 1.1 1.0 2.1| 9.1 -6.3 2.8 1.1 -0.17| 6.6 -1.1 3000 116 15 123 4| 0.9 2.1 3.0| 9.5 -7.4 2.2 0.7 -0.09| 7.1 -0.6 4000 105 14 74 4| 0.7 2.1 2.8| 19.9 -20.7 -0.8 -0.2 -0.09| 6.6 -0.6 5000 92 15 50 6| 1.1 1.7 2.8| 49.4 -21.4 28.0 5.6 0.04| 6.5 0.2 6000 84 15 38 8| 0.9 2.4 3.4| 49.4-146.4 -97.1 -16.2 -0.27| 7.9 -2.1 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251222.12.gif