UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 4 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 107 SFC 973 344 25.6 20.6 74 5.0 22.1 50 4 301.1 304.0 296.1 347.8 15.89 2 925 790 20.6 19.4 93 1.2 19.8 80 12 300.4 303.2 295.7 345.8 15.51 3 908 951 19.4 18.8 96 0.6 19.0 80 14 300.7 303.5 295.6 345.4 15.21 4 894 1085 20.0 17.9 88 2.1 18.5 80 13 302.7 305.4 295.7 345.9 14.59 5 861 1410 18.0 17.2 95 0.8 17.5 80 11 303.9 306.6 296.0 347.0 14.49 6 850 1520 17.4 16.0 91 1.4 16.5 80 10 304.4 306.9 295.5 344.8 13.58 7 757 2505 14.2 3.2 47 11.0 7.9 101 7 311.2 312.4 292.0 331.0 6.37 8 729 2823 12.4 -5.6 28 18.0 3.7 105 6 312.6 313.2 289.9 323.6 3.45 9 700 3162 9.4 1.4 57 8.0 5.0 110 6 312.9 314.0 292.2 331.9 6.06 10 678 3426 7.8 -5.2 39 13.0 1.5 102 5 314.0 314.7 290.6 326.2 3.83 11 667 3561 7.6 1.6 66 6.0 4.2 98 4 315.2 316.5 293.2 335.6 6.45 12 652 3748 7.0 -3.0 49 10.0 1.9 92 3 316.6 317.5 292.2 331.7 4.70 13 616 4213 3.6 -1.2 71 4.8 1.1 77 1 317.9 319.0 293.3 336.1 5.70 14 606 4345 3.2 -6.8 48 10.0 -1.5 68 1 318.9 319.6 292.0 331.3 3.79 15 581 4686 0.6 -3.3 75 3.9 -1.4 26 0 319.7 320.7 293.4 336.4 5.17 16 560 4980 -1.3 -5.9 71 4.6 -3.5 6 0 320.9 321.7 293.1 335.2 4.40 17 546 5182 -2.1 -7.1 69 5.0 -4.4 19 1 322.3 323.1 293.3 335.8 4.11 18 527 5464 -2.3 -19.3 26 17.0 -8.3 37 3 325.3 325.6 291.9 330.8 1.57 19 523 5524 -2.7 -11.7 50 9.0 -6.5 41 3 325.5 326.1 293.2 335.6 2.99 20 503 5833 -4.3 -11.3 58 7.0 -7.3 62 5 327.2 327.9 293.9 338.1 3.21 21 500 5880 -4.5 -12.5 54 8.0 -7.8 65 5 327.6 328.1 293.7 337.5 2.93 22 448 6737 -9.7 -35.7 10 26.0 -15.4 36 5 331.5 331.5 292.5 333.0 0.41 23 400 7600 -16.9 -26.9 42 10.0 -19.4 10 4 333.0 333.2 293.6 336.9 1.06 24 396 7675 -17.5 -23.5 59 6.0 -19.2 15 4 333.2 333.5 293.9 338.4 1.45 25 393 7732 -17.9 -30.9 31 13.0 -20.8 19 4 333.4 333.6 293.3 336.1 0.74 26 385 7886 -18.3 -38.3 16 20.0 -21.8 30 4 334.8 334.9 293.4 336.2 0.36 27 346 8677 -22.7 -30.7 48 8.0 -24.4 78 5 339.3 339.4 294.9 342.5 0.86 28 333 8958 -24.1 -36.1 32 12.0 -26.2 94 5 341.1 341.2 295.1 343.1 0.53 29 322 9202 -26.1 -40.1 26 14.0 -28.2 107 5 341.6 341.7 295.0 343.0 0.36 30 300 9710 -30.7 -41.7 33 11.0 -32.1 135 5 342.1 342.2 295.1 343.4 0.33 31 294 9852 -32.1 -42.1 36 10.0 -33.3 91 4 342.1 342.2 295.1 343.4 0.32 32 284 10093 -34.1 -40.1 55 6.0 -34.8 104 7 342.6 342.7 295.3 344.3 0.41 33 278 10241 -34.7 -37.9 73 3.2 -35.1 113 10 343.9 344.0 295.7 345.9 0.52 34 250 10970 -39.5 -43.0 69 3.5 -39.8 175 20 347.3 347.4 296.4 348.7 0.34 35 249 10998 -39.5 -43.1 68 3.6 -39.9 170 18 347.7 347.8 296.4 349.1 0.34 36 219 11865 -46.9 -50.0 70 3.1 -47.1 180 34 349.3 349.4 296.7 350.1 0.18 37 200 12460 -52.5 -55.3 72 2.8 -52.6 185 27 349.6 349.7 296.7 350.1 0.11 38 196 12590 -53.7 -56.0 76 2.3 -53.8 185 28 349.7 349.8 296.7 350.2 0.10 39 150 14250 -69.5 -74.3 50 4.8 -69.5 190 30 350.4 350.4 296.7 350.4 0.01 40 149 14290 -69.7 -74.6 49 4.9 -69.7 190 30 350.7 350.7 296.8 350.7 0.01 41 128 15174 -77.7 -82.5 46 4.8 -77.7 195 29 351.9 351.9 297.0 351.9 0.00 42 118 15639 -76.7 -82.7 38 6.0 -76.7 154 21 362.0 362.0 299.1 362.0 0.00 43 100 16570 -84.3 -88.5 47 4.2 -84.3 360 33 364.9 364.9 299.6 364.9 0.00 44 98 16682 -84.5 -88.9 45 4.4 -84.5 360 33 366.6 366.6 299.9 366.6 0.00 45 79 17890 -80.5 -88.5 25 8.0 -80.5 80 17 398.2 398.2 304.9 398.2 0.00 46 75 18189 -74.5 -85.5 17 11.0 -74.6 90 14 416.7 416.7 307.3 416.7 0.00 47 70 18590 -75.7 -86.7 16 11.0 -75.7 235 21 422.4 422.4 308.0 422.4 0.00 48 63 19193 -79.5 -88.5 21 9.0 -79.6 226 29 427.0 427.0 308.5 427.0 0.00 49 57 19770 -73.7 -87.7 10 14.0 -73.7 236 16 452.5 452.5 311.1 452.6 0.00 50 51 20420 -73.1 -88.1 8 15.0 -73.2 15 12 468.6 468.6 312.5 468.6 0.00 TRP 98 16682 -84.5 -88.9 45 4.4 -84.5 360 33 366.6 366.6 299.9 366.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 574.37 mb = 4778.72 m = 15678.02 ft Wetbulb zero: 611.83 mb = 4267.73 m = 14001.57 ft Precipitable water: 1.65 inches Sfc-500 mean rel hum: 64.22 % Est. max temperature: 30.72 C = 87.29 F Sfc-Lift cond lev (LCL): 904.73 mb = 981.85 m = 3221.24 ft T: 19.54 C 700-500 lapse rate: 5.11 C/km ThetaE index: 23.38 C Layer 850.0- 700.0 mb Conv cond level (CCL): 861.77 mb = 1401.83 m = 4599.11 ft Mean mixing ratio: 15.28 g/kg Conv temperature: 28.34 C = 83.01 F Cap Strength: 1.64 C Lifted Index: -0.24 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.31 C Lifted Index @700 mb: -0.17 C Showalter Index: 0.34 C Risk: Thunderstorms probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.50 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 217.00 Risk: None Energy Index: -1.47 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 202.59 J/kg Max Up Vert Vel: 20.13 m/s Conv Inhibition (B-): 73.12 J/kg Cap Strength: 1.59 C Lift Cond Lev (LCL): 893.46 mb = 1090.26 m = 3576.93 ft Lev Free Conv (LFC): 698.46 mb = 3180.21 m = 10433.62 ft Equ Level (EL): 658.46 mb = 3667.14 m = 12031.14 ft B at Equ Level: 17.45 J/kg Max Parcel Lev (MPL): 188.46 mb = 12833.76 m = 42105.01 ft Wind level data Storm motion: 115 at 4 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 50 4 -3.1 -2.6 | 351 4 0.7 -4.3 1 944 610 60 8 -6.9 -4.0 | 29 7 -3.2 -5.8 2 925 790 80 12 -11.8 -2.1 | 65 9 -8.1 -3.8 3 912 914 80 14 -13.8 -2.4 | 67 11 -10.0 -4.2 4 850 1520 80 10 -9.8 -1.7 | 60 7 -6.1 -3.5 5 791 2134 110 7 -6.6 2.4 | 103 3 -2.8 0.6 6 763 2438 100 7 -6.9 1.2 | 80 3 -3.1 -0.5 7 700 3162 110 6 -5.6 2.1 | 99 2 -1.9 0.3 8 610 4267 75 1 -1.0 -0.3 | 306 3 2.8 -2.0 9 566 4877 0 0 -0.0 -0.0 | 295 4 3.7 -1.8 10 500 5880 65 5 -4.5 -2.1 | 11 4 -0.8 -3.9 11 486 6096 55 6 -4.9 -3.4 | 13 5 -1.2 -5.2 12 400 7600 10 4 -0.7 -3.9 | 332 6 3.1 -5.7 13 367 8230 55 5 -4.1 -2.9 | 4 5 -0.3 -4.6 14 300 9710 135 5 -3.5 3.5 | 187 2 0.2 1.8 15 298 9754 85 2 -2.0 -0.2 | 318 3 1.8 -1.9 16 273 10363 120 12 -10.4 6.0 | 123 8 -6.6 4.2 17 250 10970 175 20 -1.7 19.9 | 186 18 2.0 18.2 18 250 10973 170 18 -3.1 17.7 | 182 16 0.6 16.0 19 218 11887 180 35 0.0 35.0 | 186 33 3.7 33.2 20 200 12460 185 27 2.4 26.9 | 194 26 6.1 25.1 21 172 13411 185 35 3.1 34.9 | 192 34 6.8 33.1 22 150 14250 190 30 5.2 29.5 | 198 29 9.0 27.8 23 126 15240 195 29 7.5 28.0 | 203 29 11.3 26.2 24 113 15850 130 16 -12.3 10.3 | 135 12 -8.5 8.5 25 108 16154 35 10 -5.7 -8.2 | 11 10 -2.0 -10.0 26 100 16570 360 33 -0.0 -33.0 | 354 35 3.7 -34.8 27 98 16682 360 33 -0.0 -33.0 | 354 35 3.7 -34.8 28 97 16764 360 31 -0.0 -31.0 | 353 33 3.7 -32.8 29 92 17069 355 30 2.6 -29.9 | 349 32 6.4 -31.6 30 87 17374 10 28 -4.9 -27.6 | 2 29 -1.1 -29.3 31 78 17983 90 15 -15.0 0.0 | 81 11 -11.3 -1.8 32 74 18288 90 13 -13.0 0.0 | 79 9 -9.3 -1.8 33 70 18590 235 21 17.2 12.0 | 244 23 20.9 10.3 34 70 18593 265 12 12.0 1.0 | 273 16 15.7 -0.7 35 66 18898 230 23 17.6 14.8 | 239 25 21.4 13.0 36 62 19202 225 30 21.2 21.2 | 232 32 25.0 19.4 37 55 19812 240 12 10.4 6.0 | 253 15 14.1 4.2 38 52 20117 355 10 0.9 -10.0 | 339 13 4.6 -11.7 39 46 20726 95 19 -18.9 1.7 | 90 15 -15.2 -0.1 Wind Parameters Mean winds (0-6000m): 85.2 at 5.5 knts Storm direction: 115.2 at 4.1 knts Shear (0-3000m) pos: 1.1 neg: 0.5 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 77.8 deg Storm rel helicity (0-3000m) pos: 20.5 neg: -3.3 tot: 17.1 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 1.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 136.34 Bulk Shear: 1.49 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 67 8 38 6| 9.9 0.0 9.9| 15.2 0.0 15.2 30.4 0.84| 10.5 8.8 1000 75 10 55 8| 4.9 0.9 5.8| 15.8 -1.7 14.1 14.1 0.59| 7.1 4.2 1500 78 10 58 7| 2.6 0.6 3.2| 18.5 -2.1 16.4 10.9 0.54| 6.1 3.3 2000 83 9 62 6| 1.7 0.4 2.2| 20.0 -2.7 17.2 8.6 0.49| 5.4 2.7 2500 86 9 65 6| 1.3 0.4 1.6| 20.3 -3.0 17.3 6.9 0.47| 4.6 2.1 3000 88 8 67 5| 1.1 0.5 1.6| 20.5 -3.3 17.1 5.7 0.42| 4.1 1.7 4000 90 7 62 4| 0.8 0.9 1.7| 20.5 -5.2 15.3 3.8 0.22| 3.7 0.8 5000 89 6 47 3| 0.7 0.8 1.5| 23.2 -6.0 17.2 3.4 0.25| 3.3 0.8 6000 85 6 38 3| 0.8 0.7 1.5| 27.2 -7.1 20.2 3.4 0.28| 3.2 0.9 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251204.12.gif