UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 8 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 87 SFC 971 344 27.0 19.0 62 8.0 21.3 30 2 302.7 305.3 295.6 345.2 14.39 2 966 390 28.4 18.4 55 10.0 21.3 36 4 304.5 307.1 295.7 346.0 13.92 3 925 780 26.0 17.0 58 9.0 19.8 60 15 305.9 308.4 295.7 345.7 13.29 4 850 1517 19.2 15.3 78 3.9 16.5 85 13 306.3 308.7 295.6 345.2 12.97 5 832 1701 17.6 14.7 83 2.9 15.7 91 14 306.5 308.8 295.4 344.8 12.75 6 718 2945 8.8 7.4 91 1.4 7.9 78 15 310.0 311.7 293.7 337.6 9.04 7 700 3156 7.8 5.0 82 2.8 6.2 80 17 311.1 312.6 293.2 335.3 7.84 8 684 3346 6.8 2.5 74 4.3 4.4 75 18 312.1 313.3 292.5 333.0 6.71 9 668 3541 6.8 -2.2 53 9.0 2.2 66 15 314.2 315.1 291.6 329.6 4.87 10 616 4203 4.6 -7.4 41 12.0 -1.0 34 5 319.0 319.7 291.9 330.7 3.56 11 525 5486 -3.7 -8.7 68 5.0 -6.0 335 10 324.0 324.7 293.4 336.5 3.78 12 517 5607 -3.9 -15.9 39 12.0 -8.4 2 9 325.2 325.6 292.4 332.5 2.14 13 513 5668 -4.5 -9.5 68 5.0 -6.7 16 8 325.2 325.9 293.6 337.3 3.63 14 506 5776 -5.3 -10.3 68 5.0 -7.5 42 7 325.5 326.1 293.6 337.0 3.45 15 500 5870 -5.7 -12.7 58 7.0 -8.5 65 6 326.1 326.7 293.3 335.8 2.88 16 475 6273 -6.9 -20.9 32 14.0 -11.5 77 8 329.4 329.7 293.0 334.8 1.52 17 441 6852 -10.1 -25.1 28 15.0 -14.5 121 7 332.5 332.7 293.4 336.5 1.13 18 432 7011 -11.5 -21.5 43 10.0 -14.7 138 6 332.6 333.0 293.9 338.3 1.59 19 400 7600 -14.3 -28.3 29 14.0 -17.9 200 3 336.4 336.6 294.3 339.8 0.93 20 375 8085 -16.9 -36.9 16 20.0 -20.8 302 1 339.2 339.3 294.6 340.9 0.43 21 310 9477 -28.1 -48.1 13 20.0 -30.3 152 10 342.6 342.6 295.1 343.2 0.16 22 300 9710 -30.3 -47.3 17 17.0 -32.1 135 12 342.7 342.7 295.1 343.4 0.18 23 250 10980 -41.1 -56.1 18 15.0 -41.9 155 20 345.0 345.0 295.6 345.3 0.08 24 244 11145 -42.5 -57.5 18 15.0 -43.2 155 20 345.3 345.3 295.6 345.6 0.07 25 235 11398 -44.1 -62.1 12 18.0 -44.8 155 21 346.6 346.6 295.9 346.7 0.04 26 202 12396 -52.5 -56.2 64 3.7 -52.7 163 43 348.6 348.7 296.4 349.0 0.09 27 200 12460 -52.9 -57.7 56 4.8 -53.1 165 44 349.0 349.0 296.5 349.3 0.08 28 189 12822 -56.1 -64.1 36 8.0 -56.3 165 47 349.5 349.5 296.5 349.7 0.04 29 165 13670 -63.5 -68.5 51 5.0 -63.6 174 42 351.0 351.0 296.8 351.1 0.02 30 158 13935 -65.1 -69.0 58 3.9 -65.1 167 39 352.7 352.7 297.2 352.8 0.02 31 150 14250 -66.3 -80.3 12 14.0 -66.4 155 35 355.9 355.9 297.9 355.9 0.00 32 149 14290 -66.5 -82.5 9 16.0 -66.6 160 39 356.2 356.2 298.0 356.2 0.00 33 119 15611 -77.7 -81.9 51 4.2 -77.7 178 10 359.3 359.3 298.5 359.3 0.00 34 115 15807 -78.1 -83.1 44 5.0 -78.1 214 11 362.1 362.1 299.1 362.1 0.00 35 101 16544 -79.7 -86.7 30 7.0 -79.7 280 27 372.7 372.7 301.0 372.7 0.00 36 100 16600 -79.7 -87.7 25 8.0 -79.7 280 27 373.7 373.7 301.2 373.7 0.00 37 87 17380 -83.7 -89.7 34 6.0 -83.7 300 20 380.9 380.9 302.4 380.9 0.00 38 79 17918 -81.7 -88.7 29 7.0 -81.7 324 22 395.7 395.7 304.6 395.7 0.00 39 75 18207 -83.7 -90.7 28 7.0 -83.7 330 15 397.4 397.4 304.9 397.4 0.00 40 73 18359 -78.1 -88.1 18 10.0 -78.1 307 14 412.3 412.3 306.8 412.3 0.00 41 70 18600 -76.5 -87.5 16 11.0 -76.6 215 22 420.7 420.7 307.8 420.7 0.00 42 59 19587 -73.3 -87.3 10 14.0 -73.4 280 23 449.0 449.0 310.8 449.0 0.00 43 50 20550 -74.1 -89.1 8 15.0 -74.2 80 6 468.9 468.9 312.5 468.9 0.00 44 46 21034 -75.9 -90.9 8 15.0 -76.0 76 12 475.8 475.8 313.1 475.9 0.00 45 43 21431 -68.7 -90.7 3 22.0 -68.9 89 31 502.8 502.8 315.1 502.8 0.00 46 40 21865 -66.9 -89.9 3 23.0 -67.2 99 44 517.9 517.9 316.2 517.9 0.00 47 30 23620 -62.9 -89.9 1 27.0 -63.6 85 61 573.2 573.2 319.3 573.2 0.00 48 28 24045 -63.1 -90.1 1 27.0 -63.8 86 65 584.0 584.0 319.9 584.1 0.00 49 24 25011 -55.1 -86.1 1 31.0 -57.0 88 74 633.6 633.6 322.0 633.7 0.01 50 21 25864 -55.1 -86.1 1 31.0 -57.2 90 81 658.3 658.3 323.0 658.3 0.01 TRP 87 17380 -83.7 -89.7 34 6.0 -83.7 300 20 380.9 380.9 302.4 380.9 0.00 WND 21 25864 -55.1 -86.1 1 31.0 -57.2 90 81 658.3 658.3 323.0 658.3 0.01 Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 565.57 mb = 4914.09 m = 16122.13 ft Wetbulb zero: 632.70 mb = 3984.56 m = 13072.55 ft Precipitable water: 1.69 inches Sfc-500 mean rel hum: 66.32 % Est. max temperature: 31.06 C = 87.91 F Sfc-Lift cond lev (LCL): 864.24 mb = 1372.17 m = 4501.82 ft T: 20.54 C 700-500 lapse rate: 4.97 C/km ThetaE index: 16.40 C Layer 925.0- 616.0 mb Conv cond level (CCL): 792.81 mb = 2108.47 m = 6917.46 ft Mean mixing ratio: 13.39 g/kg Conv temperature: 31.90 C = 89.43 F Cap Strength: 1.26 C Lifted Index: -1.21 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.44 C Lifted Index @700 mb: -1.59 C Showalter Index: -0.97 C Risk: Thunderstorms probable Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 21.00 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 215.60 Risk: None Energy Index: -1.87 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 115.62 J/kg Max Up Vert Vel: 15.21 m/s Conv Inhibition (B-): 31.60 J/kg Cap Strength: 1.26 C Lift Cond Lev (LCL): 816.11 mb = 1863.93 m = 6115.19 ft Lev Free Conv (LFC): 771.11 mb = 2342.84 m = 7686.39 ft Equ Level (EL): 621.11 mb = 4135.76 m = 13568.62 ft B at Equ Level: 61.39 J/kg Max Parcel Lev (MPL): 251.11 mb = 10949.18 m = 35922.06 ft Wind level data Storm motion: 94 at 8 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 ---------------------------------------------------------- 0 971 344 30 2 -1.0 -1.7 | 287 8 7.4 -2.3 1 943 610 65 14 -12.7 -5.9 | 34 8 -4.3 -6.5 2 925 780 60 15 -13.0 -7.5 | 30 9 -4.6 -8.1 3 911 914 60 15 -13.0 -7.5 | 30 9 -4.6 -8.1 4 850 1517 85 13 -13.0 -1.1 | 70 5 -4.6 -1.7 5 819 1829 95 14 -13.9 1.2 | 97 6 -5.6 0.7 6 790 2134 85 13 -13.0 -1.1 | 70 5 -4.6 -1.7 7 762 2438 75 16 -15.5 -4.1 | 57 9 -7.1 -4.7 8 735 2743 65 16 -14.5 -6.8 | 40 10 -6.1 -7.3 9 709 3048 85 15 -14.9 -1.3 | 74 7 -6.6 -1.9 10 700 3156 80 17 -16.7 -3.0 | 67 9 -8.4 -3.5 11 683 3353 75 18 -17.4 -4.7 | 60 10 -9.0 -5.2 12 610 4267 30 4 -2.0 -3.5 | 302 8 6.4 -4.0 13 524 5486 335 10 4.2 -9.1 | 307 16 12.6 -9.6 14 500 5870 65 6 -5.4 -2.5 | 317 4 2.9 -3.1 15 486 6096 80 6 -5.9 -1.0 | 303 3 2.4 -1.6 16 467 6401 75 10 -9.7 -2.6 | 23 3 -1.3 -3.1 17 400 7600 200 3 1.0 2.8 | 256 10 9.4 2.3 18 383 7925 0 0 -0.0 -0.0 | 274 8 8.4 -0.6 19 367 8230 240 2 1.7 1.0 | 267 10 10.1 0.4 20 300 9710 135 12 -8.5 8.5 | 179 8 -0.1 7.9 21 298 9754 120 10 -8.7 5.0 | 176 4 -0.3 4.4 22 261 10668 175 19 -1.7 18.9 | 200 20 6.7 18.4 23 250 10980 155 20 -8.5 18.1 | 180 18 -0.1 17.6 24 228 11582 155 21 -8.9 19.0 | 178 18 -0.5 18.5 25 208 12192 155 41 -17.3 37.2 | 166 38 -9.0 36.6 26 200 12460 165 44 -11.4 42.5 | 176 42 -3.0 41.9 27 180 13106 165 49 -12.7 47.3 | 175 47 -4.3 46.8 28 163 13716 175 41 -3.6 40.8 | 187 41 4.8 40.3 29 150 14250 155 35 -14.8 31.7 | 168 32 -6.4 31.2 30 148 14326 165 43 -11.1 41.5 | 176 41 -2.8 41.0 31 133 14935 150 20 -10.0 17.3 | 174 17 -1.6 16.8 32 120 15545 170 10 -1.7 9.8 | 215 11 6.6 9.3 33 114 15850 225 11 7.8 7.8 | 246 18 16.1 7.2 34 108 16154 225 19 13.4 13.4 | 239 25 21.8 12.9 35 102 16459 280 27 26.6 -4.7 | 279 35 34.9 -5.2 36 100 16600 280 27 26.6 -4.7 | 279 35 34.9 -5.2 37 97 16764 280 27 26.6 -4.7 | 279 35 34.9 -5.2 38 87 17380 300 20 17.3 -10.0 | 292 28 25.7 -10.6 39 82 17678 300 20 17.3 -10.0 | 292 28 25.7 -10.6 40 78 17983 330 23 11.5 -19.9 | 316 29 19.9 -20.5 41 74 18288 330 12 6.0 -10.4 | 307 18 14.4 -10.9 42 70 18593 240 21 18.2 10.5 | 249 28 26.5 9.9 43 70 18600 215 22 12.6 18.0 | 230 27 21.0 17.5 44 66 18898 215 22 12.6 18.0 | 230 27 21.0 17.5 45 63 19202 235 20 16.4 11.5 | 246 27 24.7 10.9 46 57 19812 305 24 19.7 -13.8 | 297 31 28.0 -14.3 47 54 20117 300 11 9.5 -5.5 | 289 19 17.9 -6.1 48 50 20550 80 6 -5.9 -1.0 | 303 3 2.4 -1.6 49 49 20726 315 1 0.7 -0.7 | 278 9 9.1 -1.3 50 46 21031 75 11 -10.6 -2.8 | 34 4 -2.3 -3.4 51 42 21641 95 40 -39.8 3.5 | 95 32 -31.5 2.9 52 40 21946 100 45 -44.3 7.8 | 101 37 -36.0 7.3 53 34 22860 75 51 -49.3 -13.2 | 71 43 -40.9 -13.8 54 31 23470 80 57 -56.1 -9.9 | 78 49 -47.8 -10.5 55 30 23620 85 61 -60.8 -5.3 | 84 53 -52.4 -5.9 56 21 25864 90 81 -81.0 0.0 | 90 73 -72.6 -0.6 57 19 26213 90 81 -81.0 0.0 | 90 73 -72.6 -0.6 Wind Parameters Mean winds (0-6000m): 63.8 at 11.2 knts Storm direction: 93.8 at 8.4 knts Shear (0-3000m) pos: 2.7 neg: 1.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 133.0 deg Storm rel helicity (0-3000m) pos: 44.1 neg: -18.0 tot: 26.1 m^2/s^2 ave: 8.7 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 2.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3889.75 Bulk Shear: 0.03 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 11 13 6| 13.7 0.0 13.7| 22.3 -1.1 21.2 42.5 0.85| 15.1 12.8 1000 65 13 28 7| 6.3 0.0 6.3| 28.9 -1.1 27.8 27.8 0.82| 9.9 8.1 1500 73 13 42 6| 4.5 0.0 4.5| 34.1 -1.1 33.0 22.0 0.83| 8.0 6.7 2000 76 13 50 6| 3.4 1.1 4.5| 34.1 -5.9 28.1 14.1 0.57| 7.3 4.1 2500 75 14 50 6| 2.7 1.3 4.0| 37.7 -13.1 24.6 9.8 0.42| 7.1 3.0 3000 76 14 53 7| 2.7 1.0 3.7| 44.1 -18.0 26.1 8.7 0.37| 7.2 2.7 4000 74 13 46 6| 2.0 2.0 4.0| 44.1 -50.7 -6.6 -1.6 -0.00| 7.6 -0.0 5000 67 12 26 6| 1.6 2.3 3.9| 47.0 -53.6 -6.6 -1.3 0.01| 6.8 0.0 6000 64 11 17 6| 2.5 1.9 4.4| 62.9 -57.2 5.7 1.0 0.07| 7.2 0.5 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251208.00.gif