UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 27 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 86 SFC 971 344 23.8 21.5 87 2.3 22.2 310 2 299.5 302.5 296.4 348.7 16.86 2 964 408 24.6 21.0 80 3.6 22.1 333 4 300.9 303.9 296.5 349.2 16.45 3 925 771 22.2 19.7 86 2.5 20.5 45 16 302.0 304.9 296.3 348.7 15.81 4 859 1412 19.2 14.3 73 4.9 15.9 46 20 305.3 307.6 294.6 341.3 12.02 5 850 1503 19.2 10.2 56 9.0 13.5 45 20 306.3 308.0 292.8 334.1 9.23 6 830 1708 18.8 6.8 46 12.0 11.6 47 20 307.9 309.3 291.9 330.8 7.49 7 825 1760 18.8 3.8 37 15.0 10.2 50 20 308.5 309.6 290.9 327.2 6.10 8 804 1981 16.6 13.1 80 3.5 14.3 59 19 308.4 310.6 295.4 344.4 11.87 9 717 2952 11.8 6.8 71 5.0 8.8 88 18 313.4 315.1 294.4 340.4 8.68 10 700 3153 11.4 5.4 67 6.0 7.8 75 16 315.1 316.7 294.4 340.4 8.06 11 689 3285 11.2 2.2 54 9.0 6.1 69 16 316.3 317.6 293.6 337.0 6.52 12 680 3395 10.8 3.8 62 7.0 6.6 66 16 317.1 318.5 294.4 340.5 7.41 13 508 5755 -4.7 -4.8 99 0.1 -4.8 88 20 325.8 326.9 295.1 343.3 5.28 14 500 5880 -5.3 -6.1 94 0.8 -5.7 80 20 326.6 327.5 295.0 342.7 4.86 15 479 6218 -6.3 -12.3 62 6.0 -8.8 72 21 329.4 330.0 294.3 340.0 3.11 16 454 6637 -8.5 -12.9 70 4.4 -10.3 71 18 331.7 332.3 294.9 342.5 3.12 17 400 7610 -15.1 -15.8 94 0.7 -15.4 110 14 335.4 335.9 295.6 345.1 2.79 18 380 7995 -17.9 -17.9 100 0.0 -17.9 110 16 336.6 337.1 295.6 345.3 2.46 19 342 8773 -23.7 -24.1 96 0.4 -23.8 103 23 339.0 339.4 295.5 344.8 1.59 20 300 9720 -28.9 -32.3 72 3.4 -29.5 90 33 344.6 344.8 296.1 347.9 0.85 21 291 9938 -30.3 -34.8 65 4.5 -31.0 93 34 345.7 345.8 296.3 348.3 0.68 22 279 10236 -32.7 -37.7 61 5.0 -33.4 98 35 346.4 346.5 296.3 348.5 0.53 23 250 11000 -38.9 -43.3 63 4.4 -39.4 105 35 348.2 348.3 296.5 349.6 0.33 24 201 12458 -51.5 -58.5 43 7.0 -51.7 110 31 350.7 350.7 296.8 351.0 0.07 25 200 12490 -51.7 -58.7 43 7.0 -52.0 110 31 350.9 350.9 296.9 351.2 0.07 26 176 13306 -57.9 -69.9 20 12.0 -58.1 99 25 353.8 353.8 297.4 353.9 0.02 27 150 14290 -67.1 -72.0 50 4.9 -67.1 135 11 354.5 354.5 297.6 354.6 0.02 28 142 14619 -70.1 -73.6 60 3.5 -70.1 137 11 354.9 354.9 297.7 354.9 0.01 29 133 15005 -73.5 -78.2 49 4.7 -73.5 144 12 355.5 355.5 297.8 355.5 0.01 30 100 16630 -84.1 -89.1 41 5.0 -84.1 145 8 365.2 365.2 299.7 365.2 0.00 31 99 16685 -84.1 -89.1 41 5.0 -84.1 145 8 366.3 366.3 299.9 366.3 0.00 32 89 17275 -83.1 -89.1 34 6.0 -83.1 53 17 379.6 379.6 302.2 379.6 0.00 33 81 17812 -73.1 -86.1 12 13.0 -73.2 95 23 410.5 410.5 306.6 410.5 0.00 34 76 18185 -72.1 -87.1 9 15.0 -72.2 60 12 420.1 420.1 307.7 420.1 0.00 35 70 18670 -70.5 -88.5 5 18.0 -70.6 280 20 433.6 433.6 309.2 433.6 0.00 36 67 18931 -69.5 -88.5 5 19.0 -69.6 277 21 441.2 441.2 310.0 441.2 0.00 37 58 19785 -72.9 -89.9 6 17.0 -73.0 260 47 452.1 452.1 311.1 452.1 0.00 38 50 20660 -71.1 -90.1 4 19.0 -71.2 255 22 475.9 475.9 313.1 476.0 0.00 39 49 20780 -71.1 -90.1 4 19.0 -71.2 256 21 478.7 478.7 313.4 478.7 0.00 40 42 21708 -65.1 -89.1 2 24.0 -65.4 273 23 515.1 515.1 316.0 515.1 0.00 41 38 22317 -66.5 -90.5 2 24.0 -66.8 293 28 526.5 526.5 316.7 526.5 0.00 42 34 23001 -60.9 -88.9 1 28.0 -61.6 296 20 558.3 558.3 318.5 558.3 0.00 43 34 23001 -61.1 -89.1 1 28.0 -61.8 296 20 557.7 557.7 318.5 557.8 0.00 44 30 23780 -60.9 -88.9 1 28.0 -61.7 220 17 578.6 578.6 319.6 578.6 0.00 45 26 24682 -55.3 -86.3 1 31.0 -57.1 77 10 618.7 618.7 321.5 618.8 0.01 46 24 25187 -60.1 -88.1 1 28.0 -61.2 80 43 619.1 619.1 321.5 619.1 0.01 47 20 26340 -54.7 -86.7 1 32.0 -57.0 65 36 668.7 668.7 323.4 668.8 0.01 48 19 26670 -52.7 -85.7 1 33.0 -55.5 75 29 684.8 684.8 323.9 684.9 0.01 TRP 99 16685 -84.1 -89.1 41 5.0 -84.1 145 8 366.3 366.3 299.9 366.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 560.15 mb = 5039.44 m = 16533.38 ft Wetbulb zero: 579.77 mb = 4685.42 m = 15371.91 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 76.27 % Est. max temperature: 32.72 C = 90.89 F Sfc-Lift cond lev (LCL): 939.27 mb = 636.41 m = 2087.92 ft T: 23.09 C 700-500 lapse rate: 6.12 C/km ThetaE index: 22.02 C Layer 925.0- 804.0 mb Conv cond level (CCL): 806.13 mb = 1958.69 m = 6426.08 ft Mean mixing ratio: 15.12 g/kg Conv temperature: 32.68 C = 90.82 F Cap Strength: 2.84 C Lifted Index: -1.34 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.02 C Lifted Index @700 mb: 1.60 C Showalter Index: 4.06 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 15.50 C K Index: 28.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 182.40 Risk: None Energy Index: 1.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 134.52 J/kg Max Up Vert Vel: 16.40 m/s Conv Inhibition (B-): 181.71 J/kg Cap Strength: 2.73 C Lift Cond Lev (LCL): 877.79 mb = 1224.84 m = 4018.46 ft Lev Free Conv (LFC): 572.79 mb = 4783.57 m = 15693.94 ft Equ Level (EL): 312.79 mb = 9418.46 m = 30900.08 ft B at Equ Level: 131.76 J/kg Max Parcel Lev (MPL): 232.79 mb = 11476.67 m = 37652.65 ft Wind level data Storm motion: 102 at 13 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 ---------------------------------------------------------- 0 971 344 310 2 1.5 -1.3 | 285 15 14.2 -3.9 1 942 610 45 11 -7.8 -7.8 | 335 11 4.9 -10.4 2 925 771 45 16 -11.3 -11.3 | 354 14 1.4 -13.9 3 910 914 50 20 -15.3 -12.9 | 10 16 -2.6 -15.5 4 850 1503 45 20 -14.1 -14.1 | 5 17 -1.5 -16.8 5 848 1524 40 21 -13.5 -16.1 | 2 19 -0.8 -18.7 6 789 2134 65 18 -16.3 -7.6 | 20 11 -3.6 -10.2 7 761 2438 75 23 -22.2 -6.0 | 48 13 -9.5 -8.6 8 735 2743 85 20 -19.9 -1.7 | 59 8 -7.2 -4.4 9 709 3048 90 17 -17.0 0.0 | 59 5 -4.3 -2.6 10 700 3153 75 16 -15.5 -4.1 | 22 7 -2.8 -6.8 11 683 3353 65 16 -14.5 -6.8 | 11 10 -1.8 -9.4 12 633 3962 90 14 -14.0 0.0 | 27 3 -1.3 -2.6 13 610 4267 90 14 -14.0 0.0 | 27 3 -1.3 -2.6 14 566 4877 100 15 -14.8 2.6 | 90 2 -2.1 -0.0 15 545 5182 65 17 -15.4 -7.2 | 15 10 -2.7 -9.8 16 506 5791 90 20 -20.0 0.0 | 70 8 -7.3 -2.6 17 500 5880 80 20 -19.7 -3.5 | 49 9 -7.0 -6.1 18 486 6096 80 20 -19.7 -3.5 | 49 9 -7.0 -6.1 19 468 6401 60 22 -19.1 -11.0 | 25 15 -6.4 -13.6 20 449 6706 75 17 -16.4 -4.4 | 28 8 -3.7 -7.0 21 432 7010 65 8 -7.3 -3.4 | 318 8 5.4 -6.0 22 416 7315 110 14 -13.2 4.8 | 168 2 -0.5 2.2 23 400 7610 110 14 -13.2 4.8 | 168 2 -0.5 2.2 24 368 8230 110 18 -16.9 6.2 | 130 6 -4.2 3.5 25 300 9720 90 33 -33.0 0.0 | 83 20 -20.3 -2.6 26 299 9754 90 33 -33.0 0.0 | 83 20 -20.3 -2.6 27 274 10363 100 36 -35.5 6.3 | 99 23 -22.8 3.6 28 250 11000 105 35 -33.8 9.1 | 107 22 -21.1 6.4 29 200 12490 110 31 -29.1 10.6 | 116 18 -16.4 8.0 30 181 13106 105 30 -29.0 7.8 | 108 17 -16.3 5.1 31 164 13716 85 14 -13.9 -1.2 | 18 4 -1.3 -3.8 32 150 14290 135 11 -7.8 7.8 | 224 7 4.9 5.2 33 149 14326 135 10 -7.1 7.1 | 232 7 5.6 4.5 34 134 14935 140 12 -7.7 9.2 | 217 8 5.0 6.6 35 127 15240 165 10 -2.6 9.7 | 235 12 10.1 7.0 36 121 15545 240 1 0.9 0.5 | 279 14 13.6 -2.1 37 114 15850 300 16 13.9 -8.0 | 292 29 26.5 -10.6 38 103 16459 270 13 13.0 -0.0 | 276 26 25.7 -2.6 39 100 16630 145 8 -4.6 6.6 | 244 9 8.1 3.9 40 99 16685 145 8 -4.6 6.6 | 244 9 8.1 3.9 41 98 16764 235 10 8.2 5.7 | 262 21 20.9 3.1 42 93 17069 60 13 -11.3 -6.5 | 351 9 1.4 -9.1 43 88 17374 50 19 -14.6 -12.2 | 7 15 -1.9 -14.8 44 83 17678 105 32 -30.9 8.3 | 107 19 -18.2 5.7 45 79 17983 85 14 -13.9 -1.2 | 18 4 -1.3 -3.8 46 75 18288 50 11 -8.4 -7.1 | 336 11 4.3 -9.7 47 71 18593 255 11 10.6 2.8 | 269 23 23.3 0.2 48 70 18670 280 20 19.7 -3.5 | 281 33 32.4 -6.1 49 67 18898 280 20 19.7 -3.5 | 281 33 32.4 -6.1 50 64 19202 255 31 29.9 8.0 | 263 43 42.6 5.4 51 58 19812 260 48 47.3 8.3 | 265 60 60.0 5.7 52 50 20660 255 22 21.3 5.7 | 265 34 33.9 3.1 53 45 21336 260 19 18.7 3.3 | 269 31 31.4 0.7 54 37 22555 300 30 26.0 -15.0 | 294 42 38.7 -17.6 55 33 23165 295 17 15.4 -7.2 | 289 30 28.1 -9.8 56 32 23470 235 22 18.0 12.6 | 252 32 30.7 10.0 57 30 23774 215 27 15.5 22.1 | 235 34 28.2 19.5 58 30 23780 220 17 10.9 13.0 | 246 26 23.6 10.4 59 29 24079 220 17 10.9 13.0 | 246 26 23.6 10.4 60 27 24384 275 10 10.0 -0.9 | 279 23 22.7 -3.5 61 26 24689 80 10 -9.8 -1.7 | 327 5 2.8 -4.4 62 25 24994 80 39 -38.4 -6.8 | 70 27 -25.7 -9.4 63 24 25298 80 45 -44.3 -7.8 | 72 33 -31.6 -10.4 64 20 26213 100 32 -31.5 5.6 | 99 19 -18.8 2.9 65 20 26340 65 36 -32.6 -15.2 | 48 27 -19.9 -17.8 66 19 26518 75 29 -28.0 -7.5 | 57 18 -15.3 -10.1 67 18 26822 65 37 -33.5 -15.6 | 49 28 -20.8 -18.3 Wind Parameters Mean winds (0-6000m): 71.7 at 17.3 knts Storm direction: 101.7 at 13.0 knts Shear (0-3000m) pos: 3.3 neg: 1.4 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 86.0 deg Storm rel helicity (0-3000m) pos: 118.1 neg: -17.8 tot: 100.3 m^2/s^2 ave: 33.4 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 9.7 stream: 4.4 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 10.76 Bulk Shear: 12.50 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 42 10 331 12| 18.9 0.0 18.9| 70.2 0.0 70.2 140.4 0.91| 21.4 19.6 1000 46 15 352 13| 9.5 1.0 10.5| 77.7 -3.9 73.9 73.9 0.83| 12.4 10.3 1500 46 17 358 14| 6.2 0.7 6.9| 88.2 -8.3 79.9 53.3 0.69| 10.6 7.3 2000 51 17 3 14| 5.4 0.5 5.9|106.4 -8.3 98.2 49.1 0.70| 10.1 7.0 2500 58 18 12 13| 4.0 0.4 4.4|118.1 -8.3 109.8 43.9 0.66| 9.7 6.4 3000 61 18 15 12| 3.3 1.4 4.7|118.1 -17.8 100.3 33.4 0.45| 9.7 4.4 4000 66 17 17 10| 2.7 1.0 3.7|121.0 -17.8 103.3 25.8 0.43| 8.1 3.5 5000 70 17 20 9| 2.3 1.6 3.9|125.5 -23.9 101.6 20.3 0.34| 7.9 2.7 6000 72 17 25 9| 2.3 2.0 4.2|137.7 -41.6 96.1 16.0 0.27| 7.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20250427.00.gif