UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 7 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 26.8 19.8 66 7.0 21.8 30 7 302.3 305.1 296.0 346.9 15.11 2 968 390 24.8 19.9 74 4.9 21.3 36 7 300.7 303.5 295.7 345.6 15.28 3 925 789 21.0 19.1 89 1.9 19.7 75 9 300.8 303.6 295.6 345.5 15.22 4 851 1509 17.4 16.1 92 1.3 16.5 80 23 304.3 306.8 295.5 344.9 13.65 5 850 1519 17.4 16.0 91 1.4 16.5 80 23 304.4 306.9 295.5 344.8 13.58 6 822 1805 16.6 12.6 77 4.0 14.0 88 18 306.5 308.6 294.4 340.2 11.23 7 795 2089 16.6 9.6 63 7.0 12.1 82 16 309.4 311.2 293.9 338.3 9.48 8 790 2143 17.0 6.0 48 11.0 10.4 80 16 310.4 311.8 292.6 333.3 7.44 9 774 2317 16.8 -4.2 23 21.0 6.2 74 14 312.0 312.7 289.8 323.5 3.62 10 731 2802 14.0 -14.0 13 28.0 2.4 63 11 314.1 314.4 288.7 319.9 1.77 11 700 3166 11.8 -2.2 38 14.0 4.5 55 10 315.6 316.4 291.8 330.4 4.65 12 695 3226 11.8 -4.2 32 16.0 3.7 55 10 316.2 317.0 291.5 329.2 4.03 13 680 3408 10.4 -4.6 34 15.0 2.9 55 10 316.6 317.4 291.6 329.5 4.00 14 670 3531 9.2 2.2 62 7.0 5.2 55 10 316.6 317.9 293.8 337.9 6.71 15 629 4051 5.6 -0.4 65 6.0 2.4 15 7 318.3 319.4 293.6 337.2 5.92 16 598 4463 2.4 -2.6 70 5.0 -0.2 1 5 319.2 320.2 293.4 336.2 5.29 17 590 4571 1.8 -3.2 69 5.0 -0.7 8 5 319.7 320.7 293.4 336.3 5.13 18 566 4906 0.8 -10.2 44 11.0 -4.0 30 5 322.4 323.0 292.4 332.7 3.11 19 500 5890 -6.3 -9.1 80 2.8 -7.5 95 5 325.4 326.1 293.9 338.2 3.84 20 498 5921 -6.5 -9.6 79 3.1 -7.9 94 5 325.5 326.2 293.8 337.9 3.71 21 494 5984 -5.9 -13.9 53 8.0 -9.1 91 5 327.0 327.5 293.3 336.0 2.64 22 448 6739 -12.3 -15.9 74 3.6 -13.6 26 2 328.2 328.7 293.5 336.7 2.47 23 442 6842 -12.1 -19.1 56 7.0 -14.5 16 1 329.7 330.1 293.4 336.4 1.91 24 415 7322 -14.3 -26.3 35 12.0 -17.5 3 1 332.9 333.1 293.5 336.8 1.08 25 401 7581 -15.7 -28.7 32 13.0 -18.9 5 2 334.3 334.5 293.7 337.6 0.89 26 400 7600 -15.7 -27.7 35 12.0 -18.8 5 2 334.6 334.8 293.9 338.2 0.98 27 374 8102 -19.9 -25.9 59 6.0 -21.4 240 1 335.5 335.8 294.3 340.0 1.24 28 331 8996 -25.7 -43.7 17 18.0 -28.0 249 1 339.5 339.5 294.4 340.4 0.24 29 302 9653 -30.3 -48.3 16 18.0 -32.1 287 1 342.0 342.1 295.0 342.7 0.16 30 300 9700 -30.7 -48.7 15 18.0 -32.5 290 1 342.1 342.1 295.0 342.7 0.15 31 250 10970 -42.1 -48.1 52 6.0 -42.5 105 13 343.5 343.5 295.3 344.3 0.20 32 232 11470 -46.5 -50.6 63 4.1 -46.7 121 17 344.2 344.2 295.5 344.9 0.16 33 223 11732 -47.9 -62.9 16 15.0 -48.4 136 21 346.0 346.0 295.8 346.1 0.04 34 200 12440 -53.9 -64.9 25 11.0 -54.1 160 34 347.4 347.4 296.1 347.5 0.03 35 190 12768 -56.9 -64.9 36 8.0 -57.1 164 36 347.7 347.7 296.1 347.9 0.03 36 179 13145 -59.1 -76.1 9 17.0 -59.3 158 39 350.1 350.1 296.7 350.1 0.01 37 168 13541 -62.1 -76.1 14 14.0 -62.2 149 42 351.5 351.5 297.0 351.5 0.01 38 162 13767 -61.9 -77.9 10 16.0 -62.0 146 41 355.5 355.5 297.8 355.6 0.01 39 150 14240 -65.5 -78.5 15 13.0 -65.6 190 14 357.2 357.2 298.1 357.3 0.01 40 109 16112 -78.9 -85.9 31 7.0 -78.9 245 29 366.1 366.1 299.9 366.2 0.00 41 100 16600 -79.3 -87.3 26 8.0 -79.3 250 34 374.5 374.5 301.4 374.5 0.00 42 88 17321 -79.5 -89.5 18 10.0 -79.5 308 19 388.1 388.1 303.5 388.1 0.00 43 77 18065 -84.5 -90.5 34 6.0 -84.5 5 14 392.8 392.8 304.2 392.8 0.00 44 73 18358 -84.9 -90.9 33 6.0 -84.9 315 12 397.9 397.9 304.9 398.0 0.00 45 70 18590 -81.7 -88.7 29 7.0 -81.7 275 10 409.6 409.6 306.5 409.6 0.00 46 68 18754 -80.5 -88.5 25 8.0 -80.5 321 12 415.6 415.6 307.2 415.6 0.00 47 66 18923 -81.3 -89.3 25 8.0 -81.3 278 11 417.4 417.4 307.4 417.4 0.00 48 63 19189 -76.1 -87.1 16 11.0 -76.2 262 13 434.5 434.5 309.3 434.5 0.00 49 53 20204 -70.5 -89.5 4 19.0 -70.6 70 9 469.5 469.5 312.6 469.5 0.00 50 50 20550 -71.3 -89.3 5 18.0 -71.4 85 34 475.5 475.5 313.1 475.5 0.00 51 45 21170 -73.5 -91.5 5 18.0 -73.6 90 40 484.7 484.7 313.8 484.7 0.00 52 40 21870 -66.9 -90.9 2 24.0 -67.2 100 48 517.9 517.9 316.2 517.9 0.00 53 35 22684 -62.9 -88.9 2 26.0 -63.4 95 53 548.4 548.4 318.0 548.5 0.00 54 34 22863 -63.3 -89.3 2 26.0 -63.8 90 53 552.0 552.0 318.2 552.0 0.00 TRP 77 18065 -84.5 -90.5 34 6.0 -84.5 5 14 392.8 392.8 304.2 392.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 558.56 mb = 5016.86 m = 16459.33 ft Wetbulb zero: 600.58 mb = 4427.55 m = 14525.91 ft Precipitable water: 1.59 inches Sfc-500 mean rel hum: 60.35 % Est. max temperature: 30.84 C = 87.52 F Sfc-Lift cond lev (LCL): 878.79 mb = 1231.50 m = 4040.30 ft T: 18.79 C 700-500 lapse rate: 6.64 C/km ThetaE index: 27.00 C Layer 968.0- 700.0 mb Conv cond level (CCL): 854.18 mb = 1476.71 m = 4844.81 ft Mean mixing ratio: 14.94 g/kg Conv temperature: 28.59 C = 83.47 F Cap Strength: 3.66 C Lifted Index: -1.69 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.22 C Lifted Index @700 mb: 2.46 C Showalter Index: -1.46 C Risk: Thunderstorms probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 22.30 C K Index: 25.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 243.00 Risk: None Energy Index: -1.33 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 205.01 J/kg Max Up Vert Vel: 20.25 m/s Conv Inhibition (B-): 203.97 J/kg Cap Strength: 3.54 C Lift Cond Lev (LCL): 887.57 mb = 1145.65 m = 3758.64 ft Lev Free Conv (LFC): 612.57 mb = 4266.73 m = 13998.27 ft Equ Level (EL): 302.57 mb = 9639.35 m = 31624.79 ft B at Equ Level: 194.20 J/kg Max Parcel Lev (MPL): 162.57 mb = 13744.87 m = 45094.17 ft Wind level data Storm motion: 97 at 7 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 30 7 -3.5 -6.1 | 331 8 3.9 -7.0 1 944 610 65 7 -6.3 -3.0 | 344 4 1.1 -3.9 2 925 789 75 9 -8.7 -2.3 | 21 4 -1.3 -3.3 3 912 914 85 12 -12.0 -1.0 | 66 5 -4.5 -2.0 4 880 1219 75 24 -23.2 -6.2 | 66 17 -15.8 -7.2 5 850 1519 80 23 -22.7 -4.0 | 72 16 -15.2 -4.9 6 849 1524 70 23 -21.6 -7.9 | 58 17 -14.2 -8.8 7 820 1829 90 18 -18.0 0.0 | 85 11 -10.6 -1.0 8 791 2134 80 16 -15.8 -2.8 | 66 9 -8.3 -3.7 9 763 2438 70 12 -11.3 -4.1 | 37 6 -3.8 -5.1 10 700 3166 55 10 -8.2 -5.7 | 6 7 -0.8 -6.7 11 659 3658 55 10 -8.2 -5.7 | 6 7 -0.8 -6.7 12 611 4267 350 5 0.9 -4.9 | 305 10 8.3 -5.9 13 500 5890 95 5 -5.0 0.4 | 282 3 2.4 -0.5 14 487 6096 85 5 -5.0 -0.4 | 300 3 2.4 -1.4 15 432 7010 0 0 -0.0 -0.0 | 277 7 7.4 -1.0 16 400 7600 5 2 -0.2 -2.0 | 292 8 7.3 -2.9 17 367 8230 205 1 0.4 0.9 | 270 8 7.9 -0.0 18 300 9700 290 1 0.9 -0.3 | 279 8 8.4 -1.3 19 298 9754 220 1 0.6 0.8 | 271 8 8.1 -0.2 20 261 10668 135 10 -7.1 7.1 | 183 6 0.4 6.1 21 250 10970 105 13 -12.6 3.4 | 115 6 -5.1 2.4 22 250 10973 105 10 -9.7 2.6 | 126 3 -2.2 1.6 23 239 11278 110 14 -13.2 4.8 | 124 7 -5.7 3.8 24 218 11887 145 23 -13.2 18.8 | 162 19 -5.8 17.9 25 200 12440 160 34 -11.6 31.9 | 172 31 -4.2 31.0 26 189 12802 165 36 -9.3 34.8 | 177 34 -1.9 33.8 27 163 13716 145 44 -25.2 36.0 | 153 39 -17.8 35.1 28 155 14021 150 19 -9.5 16.5 | 172 16 -2.1 15.5 29 150 14240 190 14 2.4 13.8 | 218 16 9.9 12.8 30 140 14630 200 13 4.4 12.2 | 227 16 11.9 11.3 31 133 14935 235 19 15.6 10.9 | 247 25 23.0 9.9 32 100 16600 250 34 31.9 11.6 | 255 41 39.4 10.7 33 97 16764 255 43 41.5 11.1 | 258 50 49.0 10.2 34 92 17069 255 23 22.2 6.0 | 260 30 29.6 5.0 35 87 17374 320 18 11.6 -13.8 | 308 24 19.0 -14.7 36 78 17983 345 29 7.5 -28.0 | 333 33 14.9 -29.0 37 77 18065 5 14 -1.2 -13.9 | 337 16 6.2 -14.9 38 70 18590 275 10 10.0 -0.9 | 276 17 17.4 -1.8 39 70 18593 10 13 -2.3 -12.8 | 339 15 5.2 -13.8 40 66 18898 280 11 10.8 -1.9 | 279 18 18.3 -2.9 41 60 19507 245 14 12.7 5.9 | 256 21 20.1 5.0 42 57 19812 310 10 7.7 -6.4 | 296 17 15.1 -7.4 43 54 20117 65 7 -6.3 -3.0 | 344 4 1.1 -3.9 44 51 20422 80 12 -11.8 -2.1 | 55 5 -4.4 -3.0 45 50 20550 85 34 -33.9 -3.0 | 82 27 -26.4 -3.9 46 45 21031 90 40 -40.0 0.0 | 88 33 -32.6 -1.0 47 37 21946 105 52 -50.2 13.5 | 106 45 -42.8 12.5 48 31 22860 75 54 -52.2 -14.0 | 72 47 -44.7 -14.9 49 29 23165 85 58 -57.8 -5.1 | 83 51 -50.3 -6.0 Wind Parameters Mean winds (0-6000m): 67.3 at 10.0 knts Storm direction: 97.3 at 7.5 knts Shear (0-3000m) pos: 1.6 neg: 1.6 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 35.7 deg Storm rel helicity (0-3000m) pos: 34.7 neg: -36.8 tot: -2.1 m^2/s^2 ave: -0.7 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 0.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 238.69 Bulk Shear: 0.86 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 61 8 351 5| 8.1 0.0 8.1| 6.3 0.0 6.3 12.6 0.67| 8.4 5.6 1000 73 13 47 7| 4.0 6.8 10.9| 12.0 -2.2 9.8 9.8 0.33| 11.9 4.0 1500 76 16 59 9| 3.2 4.6 7.8| 34.7 -15.2 19.5 13.0 0.31| 12.0 3.7 2000 77 16 61 9| 2.4 2.7 5.1| 34.7 -28.7 6.0 3.0 0.13| 10.7 1.4 2500 76 15 57 9| 1.9 2.0 3.9| 34.7 -34.2 0.5 0.2 0.05| 9.3 0.4 3000 74 14 51 8| 1.6 1.6 3.2| 34.7 -36.8 -2.1 -0.7 0.01| 8.0 0.1 4000 69 13 38 7| 1.2 1.3 2.5| 34.8 -57.2 -22.5 -5.6 -0.15| 7.3 -1.1 5000 66 11 26 6| 1.4 1.0 2.4| 38.7 -57.4 -18.7 -3.7 -0.11| 6.4 -0.7 6000 67 10 20 5| 1.4 1.1 2.4| 39.3 -58.9 -19.6 -3.3 -0.11| 5.8 -0.7 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251207.12.gif