UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122612.upa.cvt Date: 1200Z 26 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 26 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 1009 52 28.8 22.8 70 6.0 24.4 120 12 301.2 304.4 297.3 352.9 17.58 1 1008 60 27.2 22.5 76 4.7 23.8 121 13 299.7 302.8 296.7 350.2 17.27 2 1000 122 26.2 21.6 76 4.6 22.9 125 17 299.4 302.4 296.1 347.4 16.46 3 925 803 20.2 18.7 91 1.5 19.2 140 17 300.0 302.7 295.1 343.4 14.83 4 918 869 19.6 18.9 96 0.7 19.1 137 18 300.0 302.8 295.3 344.3 15.14 5 850 1528 15.8 13.7 87 2.1 14.4 150 15 302.7 304.8 293.6 337.3 11.67 6 836 1669 15.4 10.8 74 4.6 12.5 145 13 303.7 305.5 292.5 332.9 9.78 7 816 1875 16.0 6.0 51 10.0 10.1 133 10 306.5 307.8 291.2 328.3 7.20 8 790 2150 15.6 -1.4 31 17.0 6.8 89 9 308.9 309.7 289.5 322.5 4.37 9 778 2280 14.8 4.8 51 10.0 9.0 76 12 309.4 310.7 291.9 330.7 6.95 10 772 2346 15.4 1.4 39 14.0 7.6 70 14 310.7 311.8 291.1 327.8 5.49 11 738 2726 13.0 -11.0 18 24.0 2.6 60 15 312.1 312.6 288.5 319.4 2.23 12 723 2899 11.4 2.4 54 9.0 6.3 45 14 312.2 313.4 292.2 331.9 6.30 13 703 3133 10.8 -13.2 17 24.0 0.8 30 11 314.1 314.4 288.9 320.5 1.96 14 700 3169 10.4 -8.6 25 19.0 1.7 30 10 314.0 314.5 289.8 323.2 2.85 15 674 3482 8.8 -21.2 10 30.0 -1.7 43 14 315.6 315.8 288.5 319.2 1.04 16 633 3997 7.0 -29.0 6 36.0 -3.7 90 21 319.3 319.4 289.1 321.3 0.55 17 535 5355 -0.9 -28.9 10 28.0 -8.8 90 14 325.6 325.7 291.1 328.0 0.66 18 521 5566 -2.5 -16.5 33 14.0 -7.8 83 14 326.1 326.5 292.6 333.1 2.02 19 500 5890 -4.7 -21.7 25 17.0 -10.3 45 10 327.3 327.6 292.3 332.1 1.35 20 480 6210 -5.9 -28.9 14 23.0 -12.2 45 11 329.7 329.8 292.3 332.3 0.73 21 400 7610 -15.7 -31.7 24 16.0 -19.3 30 4 334.6 334.7 293.6 337.1 0.67 22 376 8073 -19.1 -37.1 19 18.0 -22.4 259 3 336.1 336.1 293.7 337.7 0.42 23 369 8213 -19.9 -29.9 41 10.0 -22.2 223 5 336.8 337.0 294.3 340.0 0.87 24 319 9273 -29.1 -35.1 56 6.0 -30.1 278 9 338.4 338.5 294.5 340.7 0.61 25 311 9454 -29.7 -39.7 37 10.0 -31.1 290 10 340.0 340.1 294.7 341.5 0.39 26 300 9710 -31.9 -40.9 41 9.0 -33.0 265 8 340.4 340.5 294.7 341.8 0.36 27 284 10095 -35.5 -40.5 60 5.0 -36.1 236 10 340.6 340.7 294.8 342.2 0.39 28 264 10599 -39.5 -51.5 27 12.0 -40.3 221 12 342.0 342.0 294.9 342.5 0.13 29 250 10970 -42.9 -53.9 29 11.0 -43.5 230 13 342.3 342.3 295.0 342.7 0.10 30 226 11640 -48.7 -57.7 34 9.0 -49.0 256 16 343.4 343.4 295.2 343.7 0.07 31 200 12430 -55.3 -66.3 24 11.0 -55.5 225 15 345.2 345.2 295.6 345.3 0.03 32 188 12825 -57.3 -68.3 23 11.0 -57.5 226 10 348.1 348.1 296.3 348.2 0.02 33 150 14230 -65.9 -78.9 15 13.0 -66.0 330 11 356.6 356.6 298.0 356.6 0.01 34 139 14689 -68.3 -81.3 14 13.0 -68.4 310 10 360.2 360.2 298.7 360.2 0.00 35 100 16590 -82.9 -87.4 46 4.5 -82.9 140 20 367.6 367.6 300.1 367.6 0.00 36 91 17110 -85.3 -89.7 45 4.4 -85.3 122 28 372.8 372.8 301.1 372.8 0.00 37 73 18349 -75.5 -89.5 9 14.0 -75.6 64 27 417.8 417.8 307.4 417.8 0.00 38 70 18590 -76.7 -91.7 7 15.0 -76.7 50 21 420.3 420.3 307.7 420.3 0.00 39 68 18757 -76.9 -91.9 7 15.0 -76.9 48 27 423.4 423.4 308.1 423.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5768.00 m Freezing level: 546.16 mb = 5200.60 m = 17062.12 ft Wetbulb zero: 686.74 mb = 3327.04 m = 10915.34 ft Precipitable water: 1.40 inches Sfc-500 mean rel hum: 39.06 % Est. max temperature: 29.96 C = 85.92 F Sfc-Lift cond lev (LCL): 925.21 mb = 801.04 m = 2628.05 ft T: 20.22 C 700-500 lapse rate: 5.55 C/km ThetaE index: 21.80 C Layer 850.0- 778.0 mb Conv cond level (CCL): 913.22 mb = 913.33 m = 2996.46 ft Mean mixing ratio: 15.64 g/kg Conv temperature: 27.81 C = 82.05 F Cap Strength: 2.37 C Lifted Index: -0.09 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.04 C Lifted Index @700 mb: 1.06 C Showalter Index: 3.25 C Risk: None Total Totals Index: 38.90 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 18.40 C K Index: 15.20 Risk: < 20 % chance of thunderstorms Sweat Index: 204.40 Risk: None Energy Index: -0.94 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 206.19 J/kg Max Up Vert Vel: 20.31 m/s Conv Inhibition (B-): 1.14 J/kg Cap Strength: 2.30 C Lift Cond Lev (LCL): 919.67 mb = 852.93 m = 2798.30 ft Lev Free Conv (LFC): 904.67 mb = 993.95 m = 3260.96 ft Equ Level (EL): 824.67 mb = 1785.15 m = 5856.73 ft B at Equ Level: 12.98 J/kg Max Parcel Lev (MPL): 784.67 mb = 2207.72 m = 7243.07 ft Wind level data Storm motion: 126 at 12 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 1009 52 120 12 -10.4 6.0 | 44 1 -0.9 -0.9 1 1000 122 125 17 -13.9 9.8 | 123 5 -4.4 2.8 2 979 305 125 19 -15.6 10.9 | 123 7 -6.1 4.0 3 946 610 130 18 -13.8 11.6 | 137 6 -4.3 4.7 4 925 803 140 17 -10.9 13.0 | 167 6 -1.4 6.1 5 913 914 135 18 -12.7 12.7 | 151 7 -3.2 5.8 6 881 1219 160 16 -5.5 15.0 | 206 9 4.0 8.1 7 850 1528 150 15 -7.5 13.0 | 198 6 2.0 6.1 8 820 1829 140 10 -6.4 7.7 | 256 3 3.1 0.8 9 791 2134 90 9 -9.0 0.0 | 356 7 0.5 -6.9 10 763 2438 60 16 -13.9 -8.0 | 16 16 -4.3 -14.9 11 736 2743 60 15 -13.0 -7.5 | 14 15 -3.5 -14.4 12 710 3048 30 13 -6.5 -11.3 | 351 18 3.0 -18.2 13 700 3169 30 10 -5.0 -8.7 | 344 16 4.5 -15.6 14 659 3658 50 16 -12.3 -10.3 | 9 17 -2.7 -17.2 15 635 3962 90 21 -21.0 0.0 | 59 13 -11.5 -6.9 16 611 4267 95 23 -22.9 2.0 | 70 14 -13.4 -4.9 17 589 4572 95 24 -23.9 2.1 | 71 15 -14.4 -4.8 18 567 4877 105 15 -14.5 3.9 | 59 6 -5.0 -3.0 19 506 5791 75 14 -13.5 -3.6 | 21 11 -4.0 -10.5 20 500 5890 45 10 -7.1 -7.1 | 350 14 2.4 -14.0 21 487 6096 40 11 -7.1 -8.4 | 351 16 2.4 -15.3 22 450 6706 70 10 -9.4 -3.4 | 359 10 0.1 -10.3 23 432 7010 40 10 -6.4 -7.7 | 348 15 3.1 -14.6 24 400 7610 30 4 -2.0 -3.5 | 324 13 7.5 -10.4 25 383 7925 295 1 0.9 -0.4 | 305 13 10.4 -7.3 26 367 8230 215 6 3.4 4.9 | 279 13 13.0 -2.0 27 311 9449 290 10 9.4 -3.4 | 299 22 18.9 -10.3 28 300 9710 265 8 8.0 0.7 | 290 19 17.5 -6.2 29 273 10363 215 12 6.9 9.8 | 260 17 16.4 2.9 30 250 10970 230 13 10.0 8.4 | 266 20 19.5 1.4 31 250 10973 205 11 4.6 10.0 | 258 14 14.2 3.1 32 239 11278 250 15 14.1 5.1 | 274 24 23.6 -1.8 33 217 11887 260 16 15.8 2.8 | 279 26 25.3 -4.1 34 200 12430 225 15 10.6 10.6 | 260 20 20.1 3.7 35 198 12497 230 18 13.8 11.6 | 259 24 23.3 4.7 36 188 12802 220 10 6.4 7.7 | 267 16 15.9 0.8 37 180 13106 330 10 5.0 -8.7 | 317 21 14.5 -15.6 38 163 13716 315 23 16.3 -16.3 | 312 35 25.8 -23.2 39 150 14230 330 11 5.5 -9.5 | 318 22 15.0 -16.4 40 148 14326 305 13 10.6 -7.5 | 305 25 20.2 -14.4 41 140 14630 325 10 5.7 -8.2 | 315 21 15.2 -15.1 42 133 14935 220 10 6.4 7.7 | 267 16 15.9 0.8 43 126 15240 185 18 1.6 17.9 | 225 16 11.1 11.0 44 108 16154 190 15 2.6 14.8 | 237 14 12.1 7.9 45 100 16590 140 20 -12.9 15.3 | 158 9 -3.3 8.4 46 97 16764 145 20 -11.5 16.4 | 168 10 -2.0 9.5 47 87 17374 105 33 -31.9 8.5 | 94 22 -22.4 1.6 48 82 17678 100 43 -42.3 7.5 | 91 33 -32.8 0.6 49 78 17983 85 37 -36.9 -3.2 | 70 29 -27.3 -10.1 50 70 18590 50 21 -16.1 -13.5 | 18 21 -6.6 -20.4 51 70 18593 50 34 -26.0 -21.9 | 30 33 -16.5 -28.8 52 66 18898 45 19 -13.4 -13.4 | 11 21 -3.9 -20.3 Wind Parameters Mean winds (0-6000m): 96.0 at 15.7 knts Storm direction: 126.0 at 11.8 knts Shear (0-3000m) pos: 1.2 neg: 4.1 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): -53.7 deg Storm rel helicity (0-3000m) pos: 35.0 neg: -34.3 tot: 0.7 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 3.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 20.08 Bulk Shear: 10.27 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 ------------------------------------------------------------------------------- 500 126 18 125 6| 6.8 0.0 6.8| 4.3 0.0 4.3 8.6 0.66| 9.5 6.3 1000 131 18 141 6| 4.3 0.0 4.3| 13.4 -0.1 13.4 13.4 0.75| 7.8 5.8 1500 138 17 162 6| 2.5 0.0 2.5| 21.0 -1.7 19.3 12.9 0.65| 7.5 4.8 2000 138 16 169 5| 1.8 2.7 4.5| 27.8 -1.7 26.1 13.0 0.69| 8.5 5.8 2500 128 15 135 3| 1.5 4.4 5.8| 35.0 -2.8 32.2 12.9 0.57| 9.3 5.3 3000 117 15 87 4| 1.2 4.1 5.3| 35.0 -34.3 0.7 0.2 0.35| 9.1 3.2 4000 100 15 51 7| 2.8 3.1 5.9|122.7 -42.0 80.7 20.2 0.49| 10.0 4.9 5000 99 16 56 8| 2.1 2.4 4.6|131.1 -47.9 83.2 16.6 0.41| 9.4 3.8 6000 96 16 49 8| 1.8 3.0 4.8|131.5 -80.5 51.0 8.5 0.25| 9.0 2.3 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251226.12.gif