UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 29 APR 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 108 SFC 973 344 24.4 23.0 92 1.4 23.4 310 2 299.9 303.3 297.5 354.0 18.48 2 925 792 21.0 20.9 99 0.1 20.9 70 9 300.8 303.9 296.8 350.9 17.06 3 850 1521 17.4 17.3 99 0.1 17.4 90 12 304.4 307.1 296.3 348.4 14.78 4 829 1735 16.4 16.1 98 0.3 16.2 90 13 305.5 308.1 296.1 347.5 14.02 5 782 2232 13.8 13.8 100 0.0 13.8 83 15 307.9 310.3 295.8 346.5 12.79 6 763 2440 14.0 7.0 63 7.0 9.7 80 18 310.2 311.8 293.2 335.6 8.27 7 753 2551 13.4 10.8 84 2.6 11.7 78 19 310.8 312.8 295.3 344.1 10.87 8 741 2687 13.2 7.2 67 6.0 9.5 76 19 312.0 313.6 294.0 338.7 8.63 9 704 3117 10.2 7.9 86 2.3 8.8 73 19 313.3 315.1 295.0 342.8 9.55 10 700 3165 9.8 7.3 84 2.5 8.3 75 18 313.3 315.1 294.8 341.9 9.21 11 679 3418 8.6 5.6 81 3.0 6.8 72 22 314.7 316.4 294.6 341.1 8.43 12 669 3541 8.4 0.4 57 8.0 4.0 71 23 315.9 317.0 292.9 334.5 5.90 13 664 3603 8.4 -2.6 46 11.0 2.7 71 24 316.5 317.4 292.2 331.8 4.76 14 660 3653 7.6 2.6 71 5.0 4.7 70 25 316.2 317.5 293.9 338.3 7.01 15 641 3894 5.8 1.7 75 4.1 3.5 70 18 316.8 318.1 293.9 338.2 6.77 16 572 4818 0.0 -1.4 90 1.4 -0.7 106 15 320.5 321.6 294.3 340.0 6.05 17 523 5534 -2.5 -8.5 63 6.0 -5.3 98 16 325.8 326.5 294.0 338.6 3.85 18 500 5890 -5.3 -7.2 86 1.9 -6.2 95 15 326.6 327.5 294.7 341.4 4.46 19 479 6225 -8.1 -8.4 98 0.3 -8.2 94 17 327.2 328.0 294.6 341.3 4.24 20 472 6340 -7.7 -10.4 81 2.7 -8.9 94 17 329.0 329.8 294.7 341.5 3.67 21 425 7149 -12.7 -16.9 71 4.2 -14.2 86 21 332.7 333.1 294.6 341.0 2.40 22 414 7349 -13.7 -34.7 15 21.0 -18.2 79 22 333.9 334.0 293.2 335.7 0.49 23 407 7479 -14.7 -36.7 14 22.0 -19.1 74 23 334.2 334.3 293.3 335.8 0.40 24 400 7610 -15.5 -35.5 16 20.0 -19.6 70 23 334.8 334.9 293.4 336.6 0.46 25 392 7762 -16.5 -30.5 29 14.0 -19.8 72 26 335.5 335.6 293.9 338.3 0.77 26 389 7820 -17.1 -20.5 75 3.4 -18.2 75 26 335.4 335.8 294.8 342.3 1.92 27 385 7897 -17.7 -20.1 81 2.4 -18.4 78 26 335.6 336.0 295.0 342.8 2.01 28 378 8034 -18.5 -21.2 79 2.7 -19.3 85 25 336.3 336.7 295.0 343.0 1.86 29 375 8094 -18.1 -25.1 54 7.0 -20.0 88 25 337.6 337.9 294.9 342.5 1.33 30 362 8356 -19.9 -44.9 9 25.0 -23.5 94 25 338.7 338.7 294.2 339.4 0.19 31 352 8563 -21.3 -36.3 25 15.0 -24.1 92 28 339.5 339.6 294.7 341.4 0.49 32 340 8818 -23.1 -52.1 5 29.0 -26.3 90 31 340.4 340.4 294.5 340.8 0.09 33 306 9579 -29.9 -38.9 41 9.0 -31.2 98 17 341.3 341.4 295.0 343.0 0.43 34 303 9649 -30.3 -32.1 84 1.8 -30.6 99 15 341.7 341.9 295.5 344.9 0.86 35 300 9720 -30.9 -31.6 94 0.7 -31.0 100 14 341.8 342.0 295.6 345.3 0.91 36 298 9767 -31.3 -31.3 100 0.0 -31.3 95 15 341.9 342.1 295.6 345.5 0.94 37 293 9887 -32.1 -32.6 95 0.5 -32.2 99 15 342.4 342.6 295.7 345.6 0.84 38 291 9935 -32.1 -38.1 55 6.0 -32.9 101 15 343.1 343.2 295.5 345.0 0.49 39 281 10181 -33.5 -43.5 36 10.0 -34.6 109 14 344.5 344.6 295.7 345.7 0.29 40 263 10642 -37.1 -47.1 35 10.0 -38.0 97 19 345.9 345.9 295.9 346.7 0.21 41 255 10855 -38.9 -43.9 59 5.0 -39.4 98 22 346.3 346.3 296.1 347.5 0.31 42 250 10990 -40.1 -46.1 53 6.0 -40.6 100 23 346.4 346.5 296.1 347.4 0.24 43 227 11639 -45.9 -50.9 57 5.0 -46.2 107 26 347.3 347.3 296.2 347.9 0.16 44 223 11757 -46.9 -58.9 24 12.0 -47.4 108 26 347.5 347.5 296.1 347.8 0.06 45 221 11817 -47.5 -57.5 31 10.0 -47.9 109 27 347.5 347.5 296.1 347.8 0.07 46 204 12341 -50.7 -70.7 8 20.0 -51.1 114 25 350.5 350.5 296.7 350.6 0.01 47 200 12470 -51.3 -66.3 15 15.0 -51.7 115 24 351.5 351.5 297.0 351.6 0.03 48 193 12700 -52.7 -68.7 13 16.0 -53.0 120 20 352.9 352.9 297.3 353.0 0.02 49 153 14150 -65.7 -72.7 37 7.0 -65.8 32 9 354.9 354.9 297.7 354.9 0.01 50 150 14270 -66.7 -73.7 37 7.0 -66.8 20 9 355.2 355.2 297.7 355.2 0.01 51 112 15983 -80.7 -85.1 47 4.4 -80.7 315 12 359.9 360.0 298.7 360.0 0.00 52 101 16564 -82.7 -88.7 35 6.0 -82.7 100 4 366.9 366.9 300.0 366.9 0.00 53 100 16620 -83.1 -89.1 34 6.0 -83.1 120 3 367.2 367.2 300.1 367.2 0.00 54 96 16846 -83.9 -89.9 34 6.0 -83.9 135 11 369.9 369.9 300.5 369.9 0.00 55 90 17209 -78.1 -87.1 22 9.0 -78.1 154 21 388.4 388.4 303.5 388.4 0.00 56 86 17467 -80.1 -89.1 21 9.0 -80.1 185 24 389.4 389.4 303.7 389.4 0.00 57 79 17953 -74.3 -88.3 10 14.0 -74.3 251 14 411.0 411.0 306.6 411.0 0.00 58 70 18660 -72.3 -89.3 6 17.0 -72.4 260 39 429.7 429.7 308.8 429.7 0.00 59 50 20650 -69.3 -90.3 3 21.0 -69.5 275 22 480.2 480.2 313.5 480.2 0.00 60 47 21021 -68.1 -90.1 3 22.0 -68.3 277 21 491.6 491.6 314.4 491.6 0.00 61 46 21150 -68.3 -90.3 3 22.0 -68.5 272 22 494.2 494.2 314.5 494.2 0.00 TRP 96 16846 -83.9 -89.9 34 6.0 -83.9 135 11 369.9 369.9 300.5 369.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 572.00 mb = 4818.17 m = 15807.46 ft Wetbulb zero: 584.14 mb = 4647.74 m = 15248.32 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 84.32 % Est. max temperature: 30.26 C = 86.47 F Sfc-Lift cond lev (LCL): 953.74 mb = 521.03 m = 1709.38 ft T: 23.06 C 700-500 lapse rate: 5.54 C/km ThetaE index: 18.39 C Layer 925.0- 753.0 mb Conv cond level (CCL): 919.43 mb = 844.04 m = 2769.13 ft Mean mixing ratio: 16.97 g/kg Conv temperature: 25.54 C = 77.97 F Cap Strength: 0.17 C Lifted Index: -2.80 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.20 C Lifted Index @700 mb: -1.12 C Showalter Index: -1.75 C Risk: Thunderstorms probable Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 22.60 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 246.60 Risk: None Energy Index: -1.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 863.08 J/kg Max Up Vert Vel: 41.55 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.05 C Lift Cond Lev (LCL): 917.26 mb = 864.49 m = 2836.22 ft Lev Free Conv (LFC): 912.26 mb = 911.61 m = 2990.82 ft Equ Level (EL): 202.26 mb = 12397.15 m = 40672.56 ft B at Equ Level: 859.11 J/kg Max Parcel Lev (MPL): 92.26 mb = 17069.75 m = 56002.45 ft Wind level data Storm motion: 114 at 11 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 ---------------------------------------------------------- 0 973 344 310 2 1.5 -1.3 | 297 13 12.0 -6.0 1 944 610 70 4 -3.8 -1.4 | 312 9 6.7 -6.1 2 925 792 70 9 -8.5 -3.1 | 346 8 2.0 -7.8 3 912 914 70 12 -11.3 -4.1 | 5 9 -0.8 -8.8 4 850 1521 90 12 -12.0 0.0 | 18 5 -1.5 -4.7 5 820 1829 90 14 -14.0 0.0 | 37 6 -3.5 -4.7 6 791 2134 85 14 -13.9 -1.2 | 31 7 -3.5 -5.9 7 763 2438 80 18 -17.7 -3.1 | 43 11 -7.3 -7.8 8 710 3048 70 21 -19.7 -7.2 | 38 15 -9.3 -11.9 9 700 3165 75 18 -17.4 -4.7 | 37 12 -6.9 -9.4 10 659 3658 70 25 -23.5 -8.6 | 45 19 -13.0 -13.2 11 634 3962 70 15 -14.1 -5.1 | 20 10 -3.6 -9.8 12 611 4267 90 14 -14.0 0.0 | 37 6 -3.5 -4.7 13 588 4572 115 15 -13.6 6.3 | 118 4 -3.1 1.6 14 546 5182 90 15 -15.0 0.0 | 44 7 -4.5 -4.7 15 526 5486 100 16 -15.8 2.8 | 70 6 -5.3 -1.9 16 506 5791 85 17 -16.9 -1.5 | 46 9 -6.5 -6.2 17 500 5890 95 15 -14.9 1.3 | 53 6 -4.5 -3.4 18 487 6096 95 16 -15.9 1.4 | 59 6 -5.5 -3.3 19 432 7010 90 21 -21.0 0.0 | 66 12 -10.5 -4.7 20 400 7610 70 23 -21.6 -7.9 | 42 17 -11.2 -12.6 21 399 7620 65 27 -24.5 -11.4 | 41 21 -14.0 -16.1 22 368 8230 95 24 -23.9 2.1 | 79 14 -13.5 -2.6 23 338 8839 90 31 -31.0 0.0 | 77 21 -20.5 -4.7 24 300 9720 100 14 -13.8 2.4 | 56 4 -3.3 -2.3 25 299 9754 95 15 -14.9 1.3 | 53 6 -4.5 -3.4 26 274 10363 115 14 -12.7 5.9 | 119 3 -2.2 1.2 27 262 10668 95 20 -19.9 1.7 | 73 10 -9.5 -3.0 28 250 10990 100 23 -22.7 4.0 | 87 12 -12.2 -0.7 29 218 11887 110 27 -25.4 9.2 | 107 16 -14.9 4.5 30 200 12470 115 24 -21.8 10.1 | 116 13 -11.3 5.4 31 181 13106 130 12 -9.2 7.7 | 203 3 1.3 3.0 32 172 13411 100 7 -6.9 1.2 | 314 5 3.6 -3.5 33 150 14270 20 9 -3.1 -8.5 | 331 15 7.4 -13.2 34 120 15545 315 10 7.1 -7.1 | 304 21 17.5 -11.8 35 114 15850 315 12 8.5 -8.5 | 305 23 18.9 -13.2 36 108 16154 315 11 7.8 -7.8 | 304 22 18.2 -12.5 37 100 16620 120 3 -2.6 1.5 | 292 8 7.9 -3.2 38 97 16764 120 3 -2.6 1.5 | 292 8 7.9 -3.2 39 96 16846 135 11 -7.8 7.8 | 221 4 2.7 3.1 40 92 17069 125 17 -13.9 9.8 | 145 6 -3.5 5.1 41 88 17374 185 26 2.3 25.9 | 211 25 12.7 21.2 42 83 17678 185 21 1.8 20.9 | 217 20 12.3 16.2 43 79 17983 255 14 13.5 3.6 | 273 24 24.0 -1.1 44 71 18593 270 34 34.0 -0.0 | 276 45 44.5 -4.7 45 70 18660 260 39 38.4 6.8 | 268 49 48.9 2.1 46 67 18898 265 41 40.8 3.6 | 271 51 51.3 -1.1 47 64 19202 260 36 35.5 6.3 | 268 46 45.9 1.6 48 52 20422 295 34 30.8 -14.4 | 295 45 41.3 -19.1 49 50 20650 275 22 21.9 -1.9 | 282 33 32.4 -6.6 50 49 20726 290 21 19.7 -7.2 | 291 32 30.2 -11.9 51 43 21336 255 22 21.3 5.7 | 268 32 31.7 1.0 Wind Parameters Mean winds (0-6000m): 84.2 at 15.3 knts Storm direction: 114.2 at 11.5 knts Shear (0-3000m) pos: 2.7 neg: 1.4 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 104.4 deg Storm rel helicity (0-3000m) pos: 40.9 neg: -5.7 tot: 35.2 m^2/s^2 ave: 11.7 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 2.6 10^-3/s Energy-Hel index: 0.20 Bulk Rich Number: 56.38 Bulk Shear: 15.31 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 64 5 319 9| 11.7 0.0 11.7| 25.2 0.0 25.2 50.4 0.78| 12.7 10.0 1000 73 8 342 8| 6.9 0.0 6.9| 31.0 0.0 31.0 31.0 0.73| 8.7 6.4 1500 80 10 354 6| 5.3 0.0 5.3| 34.0 0.0 34.0 22.7 0.73| 6.9 5.0 2000 82 11 5 6| 4.0 0.9 4.9| 36.8 -1.0 35.8 17.9 0.64| 6.2 3.9 2500 81 13 16 7| 3.2 1.6 4.8| 37.9 -3.1 34.8 13.9 0.53| 5.8 3.1 3000 79 14 23 8| 2.7 1.4 4.1| 40.9 -5.7 35.2 11.7 0.44| 5.9 2.6 4000 77 15 28 9| 1.9 1.0 2.9| 50.8 -25.4 25.5 6.4 0.25| 7.1 1.8 5000 82 15 33 8| 1.7 1.0 2.7| 56.6 -31.0 25.6 5.1 0.22| 6.8 1.5 6000 84 15 37 8| 1.6 1.0 2.5| 60.6 -34.9 25.7 4.3 0.20| 6.5 1.3 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20250429.12.gif