UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122700.upa.cvt Date: 0000Z 27 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 27 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 1010 52 26.6 22.9 80 3.7 23.9 110 5 298.9 302.1 296.7 350.4 17.67 1 1000 124 26.0 22.9 83 3.1 23.8 115 16 299.1 302.4 296.9 351.3 17.85 2 961 475 22.6 22.1 97 0.5 22.3 111 20 299.1 302.4 296.8 350.8 17.69 3 938 687 22.4 16.4 69 6.0 18.4 117 22 301.0 303.3 293.9 338.1 12.60 4 925 809 21.8 15.8 69 6.0 17.8 120 21 301.6 303.9 293.8 337.8 12.29 5 889 1153 19.6 13.6 68 6.0 15.7 125 16 302.8 304.8 293.2 335.6 11.08 6 861 1429 20.0 6.0 40 14.0 11.7 125 12 306.0 307.2 290.7 326.7 6.82 7 850 1540 19.4 4.4 37 15.0 10.7 130 5 306.5 307.6 290.3 325.3 6.17 8 811 1942 15.6 9.6 67 6.0 11.9 100 3 306.6 308.3 293.0 334.6 9.29 9 800 2058 16.0 11.0 72 5.0 12.8 74 5 308.2 310.1 294.2 339.6 10.36 10 752 2580 11.8 9.4 85 2.4 10.3 43 8 309.2 311.0 294.1 339.3 9.90 11 744 2670 11.6 7.5 76 4.1 9.1 46 9 309.9 311.5 293.5 336.8 8.78 12 736 2760 12.4 1.4 47 11.0 6.3 48 9 311.7 312.8 291.6 329.7 5.76 13 731 2817 12.0 5.0 62 7.0 7.9 49 9 311.9 313.3 293.1 335.1 7.50 14 708 3085 10.0 6.8 80 3.2 8.0 54 12 312.5 314.2 294.3 339.8 8.79 15 700 3179 9.2 6.0 80 3.2 7.3 50 16 312.7 314.3 294.0 338.7 8.41 16 666 3590 6.0 4.5 90 1.5 5.1 58 15 313.6 315.1 293.9 338.3 7.96 17 649 3801 4.2 2.2 87 2.0 3.1 60 15 313.9 315.2 293.2 335.5 6.93 18 639 3927 4.2 -4.8 52 9.0 -0.2 60 14 315.2 316.1 291.3 328.7 4.19 19 615 4238 3.0 -14.0 27 17.0 -3.7 77 18 317.3 317.7 290.0 324.3 2.10 20 605 4372 3.4 -29.6 7 33.0 -5.9 87 20 319.3 319.4 289.1 321.2 0.54 21 599 4452 3.2 -30.8 6 34.0 -6.2 94 21 320.0 320.1 289.3 321.7 0.49 22 532 5407 -1.3 -34.3 6 33.0 -9.5 108 9 325.6 325.7 290.9 327.1 0.39 23 524 5528 -1.9 -18.9 26 17.0 -8.0 105 6 326.3 326.6 292.3 332.0 1.64 24 503 5853 -3.3 -24.3 18 21.0 -9.9 105 9 328.5 328.7 292.3 332.3 1.06 25 500 5900 -3.5 -24.5 18 21.0 -10.1 105 9 328.8 329.0 292.4 332.5 1.05 26 425 7153 -13.5 -36.5 13 23.0 -18.1 88 9 331.6 331.7 292.6 333.1 0.40 27 421 7224 -13.1 -42.1 7 29.0 -18.2 87 9 333.1 333.1 292.8 333.9 0.22 28 417 7296 -13.3 -36.3 13 23.0 -18.0 85 8 333.7 333.8 293.2 335.3 0.41 29 400 7610 -15.9 -35.9 16 20.0 -19.9 80 6 334.3 334.4 293.3 336.0 0.45 30 371 8173 -20.5 -33.5 30 13.0 -23.1 111 10 335.5 335.6 293.8 337.8 0.61 31 352 8561 -23.7 -26.8 76 3.1 -24.4 155 15 336.3 336.5 294.5 340.7 1.21 32 340 8814 -25.5 -32.5 52 7.0 -26.8 146 12 337.2 337.3 294.3 339.9 0.73 33 306 9570 -31.7 -38.7 50 7.0 -32.6 145 6 338.8 338.9 294.4 340.5 0.44 34 300 9710 -32.9 -39.9 50 7.0 -33.8 145 5 339.0 339.1 294.4 340.5 0.40 35 290 9948 -35.1 -42.1 49 7.0 -35.8 165 4 339.2 339.2 294.4 340.5 0.33 36 284 10094 -35.5 -51.5 18 16.0 -36.7 178 4 340.6 340.7 294.6 341.1 0.12 37 250 10970 -42.7 -57.7 18 15.0 -43.4 255 1 342.6 342.6 295.0 342.8 0.06 38 246 11078 -43.5 -60.5 14 17.0 -44.2 255 1 343.0 343.0 295.1 343.2 0.04 39 209 12148 -51.9 -61.9 29 10.0 -52.2 302 12 346.2 346.2 295.8 346.4 0.04 40 200 12430 -54.1 -66.1 22 12.0 -54.4 305 15 347.1 347.1 296.0 347.2 0.03 41 189 12790 -56.5 -68.5 21 12.0 -56.7 303 19 348.9 348.9 296.4 349.0 0.02 42 179 13135 -56.9 -78.9 5 22.0 -57.1 301 22 353.7 353.7 297.4 353.7 0.00 43 150 14230 -65.7 -77.7 17 12.0 -65.8 290 11 356.9 356.9 298.1 356.9 0.01 44 116 15744 -78.1 -82.6 48 4.5 -78.1 188 27 361.2 361.2 299.0 361.2 0.00 45 110 16046 -80.3 -83.6 58 3.3 -80.3 158 26 362.6 362.6 299.2 362.6 0.00 46 100 16580 -82.9 -86.8 51 3.9 -82.9 105 25 367.6 367.6 300.1 367.6 0.00 47 96 16808 -83.9 -88.3 46 4.4 -83.9 100 31 369.9 369.9 300.5 369.9 0.00 48 89 17229 -84.7 -90.7 34 6.0 -84.7 92 42 376.4 376.4 301.6 376.4 0.00 49 84 17555 -78.1 -88.1 18 10.0 -78.1 74 45 396.1 396.1 304.7 396.1 0.00 50 81 17763 -77.9 -88.9 15 11.0 -77.9 57 45 400.6 400.6 305.3 400.7 0.00 51 74 18281 -78.9 -89.9 15 11.0 -78.9 42 39 409.0 409.0 306.4 409.0 0.00 52 70 18600 -76.5 -88.5 13 12.0 -76.6 355 7 420.7 420.7 307.8 420.7 0.00 53 50 20560 -69.7 -89.7 4 20.0 -69.9 95 27 479.2 479.2 313.4 479.3 0.00 54 43 21470 -65.1 -89.1 2 24.0 -65.4 104 43 511.7 511.7 315.8 511.7 0.00 55 39 22065 -65.3 -90.3 2 25.0 -65.7 100 49 525.7 525.7 316.6 525.7 0.00 56 34 22914 -59.1 -87.1 1 28.0 -60.0 95 58 563.0 563.0 318.8 563.0 0.01 57 31 23494 -58.7 -86.7 2 28.0 -59.7 95 59 579.3 579.3 319.6 579.3 0.01 58 30 23700 -58.5 -86.5 2 28.0 -59.6 90 58 585.2 585.2 319.9 585.2 0.01 59 29 23913 -58.1 -86.1 2 28.0 -59.3 94 59 592.0 592.0 320.2 592.0 0.01 TRP 96 16808 -83.9 -88.3 46 4.4 -83.9 100 31 369.9 369.9 300.5 369.9 0.00 WND 31 23494 -58.7 -86.7 2 28.0 -59.7 95 59 579.3 579.3 319.6 579.3 0.01 Sounding variables and indices 1000-500 mb thick: 5776.00 m Freezing level: 551.36 mb = 5131.25 m = 16834.61 ft Wetbulb zero: 639.48 mb = 3921.21 m = 12864.69 ft Precipitable water: 1.66 inches Sfc-500 mean rel hum: 52.79 % Est. max temperature: 33.74 C = 92.73 F Sfc-Lift cond lev (LCL): 957.38 mb = 507.75 m = 1665.82 ft T: 22.57 C 700-500 lapse rate: 4.67 C/km ThetaE index: 25.99 C Layer 961.0- 811.0 mb Conv cond level (CCL): 833.24 mb = 1710.25 m = 5610.98 ft Mean mixing ratio: 15.55 g/kg Conv temperature: 34.25 C = 93.64 F Cap Strength: 2.87 C Lifted Index: 1.05 C Risk: Showers probable Lifted Index @300 mb: -2.10 C Lifted Index @700 mb: -0.14 C Showalter Index: 10.07 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 7.90 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 71.80 Risk: None Energy Index: 1.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 326.80 J/kg Max Up Vert Vel: 25.57 m/s Conv Inhibition (B-): 92.17 J/kg Cap Strength: 2.79 C Lift Cond Lev (LCL): 914.06 mb = 912.07 m = 2992.33 ft Lev Free Conv (LFC): 759.06 mb = 2501.16 m = 8205.80 ft Equ Level (EL): 739.06 mb = 2725.49 m = 8941.79 ft B at Equ Level: 11.74 J/kg Max Parcel Lev (MPL): 159.06 mb = 13866.68 m = 45493.80 ft Wind level data Storm motion: 124 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 1010 52 110 5 -4.7 1.7 | 316 5 3.7 -3.8 1 1000 124 115 16 -14.5 6.8 | 101 6 -6.1 1.2 2 980 305 105 17 -16.4 4.4 | 82 8 -8.0 -1.2 3 946 610 115 22 -19.9 9.3 | 108 12 -11.6 3.7 4 925 809 120 21 -18.2 10.5 | 117 11 -9.8 4.9 5 914 914 125 20 -16.4 11.5 | 126 10 -8.0 5.9 6 852 1524 125 10 -8.2 5.7 | 225 0 0.2 0.2 7 850 1540 130 5 -3.8 3.2 | 297 5 4.5 -2.3 8 821 1829 125 2 -1.6 1.1 | 303 8 6.7 -4.4 9 792 2134 55 6 -4.9 -3.4 | 339 10 3.5 -9.0 10 764 2438 40 8 -5.1 -6.1 | 345 12 3.2 -11.7 11 711 3048 55 10 -8.2 -5.7 | 359 11 0.2 -11.3 12 700 3179 50 16 -12.3 -10.3 | 14 16 -3.9 -15.8 13 660 3658 60 15 -13.0 -7.5 | 19 14 -4.6 -13.1 14 635 3962 60 14 -12.1 -7.0 | 17 13 -3.8 -12.6 15 612 4267 80 19 -18.7 -3.3 | 49 14 -10.3 -8.9 16 589 4572 105 23 -22.2 6.0 | 92 14 -13.8 0.4 17 546 5182 115 17 -15.4 7.2 | 103 7 -7.0 1.6 18 526 5486 105 6 -5.8 1.6 | 327 5 2.6 -4.0 19 500 5900 105 9 -8.7 2.3 | 6 3 -0.3 -3.2 20 487 6096 100 10 -9.8 1.7 | 21 4 -1.5 -3.8 21 450 6706 95 17 -16.9 1.5 | 65 9 -8.6 -4.1 22 433 7010 90 10 -10.0 0.0 | 16 6 -1.6 -5.6 23 400 7610 80 6 -5.9 -1.0 | 340 7 2.5 -6.6 24 367 8230 115 11 -10.0 4.6 | 60 2 -1.6 -0.9 25 352 8534 155 15 -6.3 13.6 | 194 8 2.0 8.0 26 338 8839 145 11 -6.3 9.0 | 211 4 2.1 3.5 27 300 9710 145 5 -2.9 4.1 | 285 6 5.5 -1.5 28 250 10970 255 1 1.0 0.3 | 300 11 9.3 -5.3 29 239 11278 255 1 1.0 0.3 | 300 11 9.3 -5.3 30 217 11887 300 10 8.7 -5.0 | 302 20 17.0 -10.6 31 200 12430 305 15 12.3 -8.6 | 304 25 20.7 -14.2 32 171 13411 300 25 21.7 -12.5 | 301 35 30.0 -18.1 33 163 13716 310 21 16.1 -13.5 | 308 31 24.5 -19.1 34 155 14021 290 14 13.2 -4.8 | 296 24 21.5 -10.3 35 150 14230 290 11 10.3 -3.8 | 296 21 18.7 -9.3 36 148 14326 305 12 9.8 -6.9 | 304 22 18.2 -12.4 37 140 14630 280 11 10.8 -1.9 | 291 21 19.2 -7.5 38 133 14935 210 17 8.5 14.7 | 241 19 16.9 9.2 39 120 15545 205 27 11.4 24.5 | 226 27 19.8 18.9 40 100 16580 105 25 -24.1 6.5 | 93 16 -15.8 0.9 41 97 16764 105 25 -24.1 6.5 | 93 16 -15.8 0.9 42 96 16808 100 31 -30.5 5.4 | 90 22 -22.2 -0.2 43 87 17374 90 46 -46.0 0.0 | 82 38 -37.6 -5.6 44 78 17983 40 44 -28.3 -33.7 | 27 44 -19.9 -39.3 45 70 18593 45 34 -24.0 -24.0 | 28 33 -15.7 -29.6 46 70 18600 355 7 0.6 -7.0 | 324 15 9.0 -12.5 47 67 18898 15 10 -2.6 -9.7 | 339 16 5.8 -15.2 48 63 19202 140 10 -6.4 7.7 | 223 3 1.9 2.1 49 60 19507 135 23 -16.3 16.3 | 144 13 -7.9 10.7 50 54 20117 110 20 -18.8 6.8 | 97 10 -10.4 1.3 51 50 20560 95 27 -26.9 2.4 | 80 19 -18.5 -3.2 52 44 21336 105 41 -39.6 10.6 | 99 32 -31.2 5.1 53 34 22860 95 58 -57.8 5.1 | 89 49 -49.4 -0.5 54 31 23494 95 59 -58.8 5.1 | 90 50 -50.4 -0.4 55 30 23700 90 58 -58.0 0.0 | 84 50 -49.6 -5.6 56 29 23774 95 59 -58.8 5.1 | 90 50 -50.4 -0.4 57 26 24384 90 57 -57.0 0.0 | 83 49 -48.6 -5.6 Wind Parameters Mean winds (0-6000m): 93.6 at 13.4 knts Storm direction: 123.6 at 10.0 knts Shear (0-3000m) pos: 0.4 neg: 1.6 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 43.5 deg Storm rel helicity (0-3000m) pos: 50.3 neg: -2.5 tot: 47.8 m^2/s^2 ave: 15.9 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 6.8 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 84.41 Bulk Shear: 3.87 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 ------------------------------------------------------------------------------- 500 110 17 91 7| 16.5 0.0 16.5| 13.5 -2.5 11.0 22.0 0.76| 22.1 16.7 1000 116 19 106 9| 6.7 0.0 6.7| 26.2 -2.5 23.7 23.7 0.72| 14.7 10.6 1500 118 17 110 7| 0.6 0.0 0.6| 27.2 -2.5 24.7 16.5 0.67| 15.4 10.3 2000 118 13 101 4| 0.4 1.2 1.6| 35.5 -2.5 33.0 16.5 0.67| 13.2 8.9 2500 111 12 68 3| 0.4 1.9 2.3| 42.4 -2.5 39.9 15.9 0.65| 11.7 7.6 3000 103 12 46 4| 0.4 1.6 2.0| 50.3 -2.5 47.8 15.9 0.67| 10.2 6.8 4000 88 12 34 7| 1.0 1.2 2.2| 75.2 -4.7 70.5 17.6 0.65| 9.1 5.9 5000 91 14 47 8| 1.8 1.0 2.8|134.9 -4.7 130.2 26.0 0.69| 9.4 6.5 6000 94 13 47 7| 1.5 1.3 2.9|138.4 -12.4 126.0 21.0 0.54| 9.2 4.9 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251227.00.gif