UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 9 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 109 SFC 973 344 26.6 19.6 65 7.0 21.6 10 3 302.1 304.8 295.8 346.1 14.91 2 969 381 24.6 20.1 76 4.5 21.4 18 4 300.4 303.3 295.7 345.8 15.46 3 925 793 20.6 19.2 92 1.4 19.6 95 7 300.4 303.2 295.6 345.3 15.31 4 892 1106 18.4 17.6 95 0.8 17.9 95 19 301.2 303.9 295.1 343.4 14.34 5 874 1282 19.6 13.6 68 6.0 15.7 95 24 304.2 306.3 293.8 337.9 11.27 6 868 1342 19.6 11.6 60 8.0 14.5 95 24 304.8 306.7 292.9 334.6 9.93 7 850 1522 18.4 12.4 68 6.0 14.5 95 22 305.4 307.4 293.7 337.5 10.70 8 821 1819 17.4 7.4 52 10.0 11.3 97 21 307.4 308.9 292.1 331.4 7.89 9 779 2266 14.6 10.1 74 4.5 11.7 100 19 309.1 310.9 294.2 339.6 10.02 10 700 3164 10.2 1.2 54 9.0 5.2 95 10 313.8 314.9 292.4 332.6 5.97 11 649 3789 6.4 -2.6 53 9.0 1.8 95 8 316.3 317.3 292.2 331.9 4.87 12 622 4137 5.0 -3.0 56 8.0 0.9 95 7 318.6 319.6 292.9 334.5 4.93 13 576 4759 0.4 -3.0 78 3.4 -1.3 22 1 320.3 321.3 293.7 337.5 5.33 14 551 5114 -1.5 -11.5 46 10.0 -5.7 24 3 322.1 322.7 292.2 331.7 2.88 15 506 5787 -6.5 -6.5 100 0.0 -6.5 99 14 324.0 324.9 294.1 339.3 4.65 16 500 5880 -6.9 -7.0 99 0.1 -7.0 90 15 324.6 325.5 294.2 339.6 4.53 17 475 6279 -8.3 -10.9 81 2.6 -9.4 78 14 327.7 328.4 294.2 339.5 3.51 18 467 6411 -7.5 -15.5 53 8.0 -10.6 72 13 330.3 330.8 294.0 338.8 2.45 19 428 7085 -11.7 -29.7 21 18.0 -16.3 52 6 333.3 333.4 293.3 336.1 0.76 20 400 7600 -15.5 -19.9 69 4.4 -16.9 50 15 334.8 335.2 294.8 341.8 1.97 21 363 8327 -19.3 -39.3 15 20.0 -22.8 35 14 339.2 339.3 294.4 340.6 0.35 22 331 9005 -25.5 -38.5 29 13.0 -27.5 72 12 339.8 339.8 294.7 341.4 0.41 23 320 9249 -27.3 -36.3 42 9.0 -28.7 84 13 340.6 340.7 295.0 342.6 0.54 24 300 9710 -30.9 -40.9 37 10.0 -32.2 105 18 341.8 341.9 295.1 343.2 0.36 25 287 10024 -32.7 -45.7 26 13.0 -34.1 102 19 343.6 343.7 295.4 344.5 0.22 26 250 10980 -41.3 -49.3 42 8.0 -41.9 150 25 344.7 344.7 295.6 345.4 0.17 27 240 11255 -43.9 -49.9 51 6.0 -44.3 152 25 344.8 344.8 295.6 345.5 0.17 28 211 12104 -51.1 -57.1 49 6.0 -51.3 152 30 346.5 346.5 295.9 346.8 0.08 29 200 12450 -53.7 -62.7 32 9.0 -53.9 150 34 347.7 347.7 296.2 347.9 0.04 30 183 13018 -57.5 -71.5 15 14.0 -57.7 146 40 350.5 350.5 296.7 350.6 0.01 31 160 13862 -61.7 -74.7 16 13.0 -61.9 209 15 357.1 357.1 298.1 357.2 0.01 32 150 14260 -64.9 -75.9 21 11.0 -65.0 265 21 358.3 358.3 298.4 358.3 0.01 33 114 15873 -79.5 -84.4 44 4.9 -79.5 247 27 360.4 360.4 298.8 360.4 0.00 34 102 16499 -82.1 -86.8 44 4.7 -82.1 247 21 367.0 367.0 300.0 367.0 0.00 35 101 16554 -81.3 -86.3 42 5.0 -81.3 251 24 369.6 369.6 300.5 369.6 0.00 36 100 16610 -80.9 -85.9 43 5.0 -80.9 255 27 371.4 371.4 300.8 371.4 0.00 37 76 18134 -85.5 -89.3 50 3.8 -85.5 290 6 392.1 392.1 304.1 392.1 0.00 38 70 18590 -81.1 -88.1 30 7.0 -81.1 295 16 410.9 410.9 306.6 410.9 0.00 39 59 19562 -75.1 -87.1 14 12.0 -75.2 325 11 444.9 445.0 310.4 445.0 0.00 40 50 20530 -70.5 -89.5 4 19.0 -70.6 80 42 477.4 477.4 313.2 477.4 0.00 41 46 21027 -69.7 -89.7 4 20.0 -69.9 85 43 490.8 490.8 314.3 490.8 0.00 42 41 21712 -70.5 -90.5 4 20.0 -70.7 97 48 505.2 505.2 315.3 505.2 0.00 43 37 22326 -67.7 -90.7 2 23.0 -68.0 93 54 527.5 527.5 316.8 527.5 0.00 44 33 23030 -59.1 -88.1 1 29.0 -60.0 91 60 567.8 567.8 319.0 567.9 0.00 45 30 23630 -57.5 -87.5 1 30.0 -58.7 95 64 587.9 587.9 320.0 587.9 0.01 46 29 23844 -57.3 -87.3 1 30.0 -58.6 95 66 594.2 594.2 320.3 594.2 0.01 47 27 24296 -57.3 -87.3 1 30.0 -58.7 95 71 606.4 606.4 320.9 606.5 0.01 TRP 76 18134 -85.5 -89.3 50 3.8 -85.5 290 6 392.1 392.1 304.1 392.1 0.00 WND 27 24296 -57.3 -87.3 1 30.0 -58.7 95 71 606.4 606.4 320.9 606.5 0.01 Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 570.74 mb = 4833.60 m = 15858.07 ft Wetbulb zero: 603.43 mb = 4382.17 m = 14377.01 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 67.47 % Est. max temperature: 31.72 C = 89.10 F Sfc-Lift cond lev (LCL): 878.74 mb = 1235.50 m = 4053.43 ft T: 19.28 C 700-500 lapse rate: 6.30 C/km ThetaE index: 11.53 C Layer 969.0- 850.0 mb Conv cond level (CCL): 804.76 mb = 1989.25 m = 6526.34 ft Mean mixing ratio: 14.66 g/kg Conv temperature: 32.49 C = 90.47 F Cap Strength: 2.53 C Lifted Index: -1.79 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.72 C Lifted Index @700 mb: 1.27 C Showalter Index: 0.93 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 19.30 C K Index: 28.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 207.80 Risk: None Energy Index: 0.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 80.82 J/kg Max Up Vert Vel: 12.71 m/s Conv Inhibition (B-): 151.81 J/kg Cap Strength: 2.53 C Lift Cond Lev (LCL): 888.85 mb = 1136.92 m = 3730.01 ft Lev Free Conv (LFC): 593.85 mb = 4511.72 m = 14802.04 ft Equ Level (EL): 463.85 mb = 6463.65 m = 21205.94 ft B at Equ Level: 77.45 J/kg Max Parcel Lev (MPL): 333.85 mb = 8941.49 m = 29335.24 ft Wind level data Storm motion: 125 at 9 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 3 -0.5 -3.0 | 320 10 6.6 -7.9 1 944 610 70 7 -6.6 -2.4 | 355 7 0.6 -7.3 2 925 793 95 7 -7.0 0.6 | 357 4 0.2 -4.3 3 912 914 95 10 -10.0 0.9 | 35 5 -2.8 -4.1 4 880 1219 95 25 -24.9 2.2 | 81 18 -17.7 -2.8 5 850 1522 95 22 -21.9 1.9 | 78 15 -14.8 -3.0 6 791 2134 100 19 -18.7 3.3 | 82 12 -11.5 -1.6 7 763 2438 100 18 -17.7 3.1 | 80 11 -10.6 -1.8 8 736 2743 90 13 -13.0 0.0 | 50 8 -5.8 -4.9 9 710 3048 105 13 -12.6 3.4 | 74 6 -5.4 -1.6 10 700 3164 95 10 -10.0 0.9 | 35 5 -2.8 -4.1 11 684 3353 95 10 -10.0 0.9 | 35 5 -2.8 -4.1 12 611 4267 95 6 -6.0 0.5 | 345 5 1.2 -4.4 13 566 4877 0 0 -0.0 -0.0 | 305 9 7.2 -4.9 14 506 5791 100 14 -13.8 2.4 | 69 7 -6.6 -2.5 15 500 5880 90 15 -15.0 0.0 | 58 9 -7.8 -4.9 16 486 6096 85 16 -15.9 -1.4 | 54 11 -8.8 -6.3 17 449 6706 60 10 -8.7 -5.0 | 9 10 -1.5 -9.9 18 432 7010 55 5 -4.1 -2.9 | 339 8 3.1 -7.8 19 415 7315 40 10 -6.4 -7.7 | 357 13 0.7 -12.6 20 400 7600 50 15 -11.5 -9.6 | 17 15 -4.3 -14.6 21 383 7925 55 16 -13.1 -9.2 | 23 15 -5.9 -14.1 22 367 8230 30 14 -7.0 -12.1 | 359 17 0.2 -17.1 23 324 9144 80 12 -11.8 -2.1 | 34 8 -4.7 -7.0 24 300 9710 105 18 -17.4 4.7 | 88 10 -10.2 -0.3 25 298 9754 85 15 -14.9 -1.3 | 51 10 -7.8 -6.2 26 273 10363 125 25 -20.5 14.3 | 125 16 -13.3 9.4 27 261 10668 125 27 -22.1 15.5 | 125 18 -15.0 10.6 28 250 10980 150 25 -12.5 21.7 | 162 18 -5.3 16.7 29 228 11582 155 24 -10.1 21.8 | 170 17 -3.0 16.8 30 200 12450 150 34 -17.0 29.4 | 158 26 -9.8 24.5 31 180 13106 145 41 -23.5 33.6 | 150 33 -16.4 28.7 32 172 13411 155 22 -9.3 19.9 | 172 15 -2.1 15.0 33 156 14021 230 12 9.2 7.7 | 260 17 16.4 2.8 34 150 14260 265 21 20.9 1.8 | 276 28 28.1 -3.1 35 148 14326 260 19 18.7 3.3 | 274 26 25.9 -1.6 36 141 14630 270 26 26.0 -0.0 | 278 34 33.2 -4.9 37 127 15240 250 36 33.8 12.3 | 260 42 41.0 7.4 38 103 16459 245 19 17.2 8.0 | 263 25 24.4 3.1 39 100 16610 255 27 26.1 7.0 | 266 33 33.2 2.1 40 97 16764 255 27 26.1 7.0 | 266 33 33.2 2.1 41 92 17069 240 30 26.0 15.0 | 253 35 33.1 10.1 42 87 17374 270 23 23.0 -0.0 | 279 31 30.2 -4.9 43 82 17678 280 18 17.7 -3.1 | 288 26 24.9 -8.1 44 78 17983 340 11 3.8 -10.3 | 324 19 10.9 -15.3 45 76 18134 290 6 5.6 -2.1 | 299 15 12.8 -7.0 46 70 18590 295 16 14.5 -6.8 | 298 25 21.7 -11.7 47 70 18593 255 12 11.6 3.1 | 276 19 18.8 -1.8 48 66 18898 310 15 11.5 -9.6 | 308 24 18.7 -14.6 49 63 19202 275 10 10.0 -0.9 | 289 18 17.1 -5.8 50 60 19507 315 10 7.1 -7.1 | 310 19 14.2 -12.0 51 51 20422 90 17 -17.0 0.0 | 63 11 -9.8 -4.9 52 50 20530 80 42 -41.4 -7.3 | 70 36 -34.2 -12.2 53 46 21031 85 43 -42.8 -3.7 | 76 37 -35.7 -8.7 54 44 21336 100 44 -43.3 7.6 | 94 36 -36.2 2.7 55 34 22860 90 59 -59.0 0.0 | 85 52 -51.8 -4.9 56 30 23630 95 64 -63.8 5.6 | 91 57 -56.6 0.6 57 27 24296 95 71 -70.7 6.2 | 91 64 -63.6 1.3 58 25 24689 95 71 -70.7 6.2 | 91 64 -63.6 1.3 59 16 26518 85 64 -63.8 -5.6 | 79 58 -56.6 -10.5 Wind Parameters Mean winds (0-6000m): 94.6 at 11.6 knts Storm direction: 124.6 at 8.7 knts Shear (0-3000m) pos: 0.8 neg: 1.8 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 74.7 deg Storm rel helicity (0-3000m) pos: 41.9 neg: -20.0 tot: 22.0 m^2/s^2 ave: 7.3 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 1.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 14.57 Bulk Shear: 5.55 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 72 6 348 7| 8.8 0.0 8.8| 15.8 0.0 15.8 31.6 0.71| 10.6 7.5 1000 90 12 45 7| 4.4 8.0 12.4| 34.5 -1.1 33.4 33.4 0.56| 14.3 8.1 1500 93 15 63 9| 2.1 5.3 7.4| 36.1 -3.0 33.2 22.1 0.50| 10.8 5.4 2000 95 16 69 10| 1.3 4.0 5.3| 37.2 -3.6 33.6 16.8 0.47| 8.7 4.1 2500 95 16 69 10| 1.1 2.1 3.2| 38.9 -15.3 23.6 9.5 0.29| 8.4 2.4 3000 95 15 67 9| 0.8 1.8 2.6| 41.9 -20.0 22.0 7.3 0.22| 8.0 1.7 4000 95 13 59 7| 0.6 0.8 1.4| 41.9 -25.1 16.9 4.2 0.11| 6.7 0.7 5000 94 11 45 6| 0.5 0.2 0.7| 60.9 -35.8 25.1 5.0 0.13| 6.8 0.9 6000 95 12 48 6| 1.3 0.6 1.8| 82.9 -48.9 34.0 5.7 0.16| 7.2 1.2 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251209.12.gif