UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for SBTT... Searching the city database file for: SBTT ... Date:0000Z 30 APR 25 Station: SBTT WMO ident: 82411 Latitude: -4.25 Longitude: -69.94 Elevation: 85.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1001 85 25.0 24.0 94 1.0 24.3 110 4 298.1 301.5 297.4 353.6 19.09 1 1000 86 24.8 23.8 94 1.0 24.1 45 6 298.0 301.4 297.3 352.8 18.88 2 925 770 21.2 19.8 92 1.4 20.2 235 5 301.0 303.9 296.1 347.8 15.91 3 893 1075 19.4 18.2 93 1.2 18.6 195 6 302.2 304.9 295.8 346.1 14.89 4 882 1182 19.4 17.0 86 2.4 17.8 165 7 303.2 305.8 295.4 344.6 13.96 5 850 1501 20.0 13.0 64 7.0 15.4 75 9 307.1 309.2 294.5 340.7 11.14 6 847 1532 20.2 12.2 60 8.0 15.0 76 10 307.6 309.6 294.3 339.7 10.60 7 700 3155 11.4 5.4 67 6.0 7.8 100 13 315.1 316.7 294.4 340.4 8.06 8 596 4482 2.6 0.6 87 2.0 1.5 116 10 319.7 321.0 294.6 341.3 6.72 9 584 4647 2.2 -2.4 72 4.6 -0.2 115 10 321.1 322.2 294.1 339.0 5.50 10 571 4828 0.6 -0.8 90 1.4 -0.2 100 12 321.3 322.6 294.7 341.8 6.34 11 542 5247 -0.5 -7.5 59 7.0 -3.8 110 13 324.8 325.6 293.9 338.2 4.02 12 529 5442 -1.7 -6.1 72 4.4 -3.8 112 12 325.7 326.6 294.6 340.9 4.59 13 520 5579 -1.9 -12.9 43 11.0 -6.5 113 12 327.0 327.6 293.4 336.3 2.72 14 512 5702 -2.9 -14.9 39 12.0 -7.7 114 11 327.3 327.7 293.2 335.3 2.35 15 500 5890 -4.7 -8.8 73 4.1 -6.6 150 8 327.3 328.1 294.4 340.5 3.94 16 491 6033 -5.3 -6.2 93 0.9 -5.7 160 9 328.3 329.3 295.4 344.7 4.91 17 470 6374 -7.7 -8.5 94 0.8 -8.1 149 10 329.4 330.3 295.3 343.9 4.29 18 456 6608 -9.5 -9.9 97 0.4 -9.7 136 11 330.0 330.8 295.1 343.5 3.96 19 429 7078 -11.7 -17.7 61 6.0 -13.8 105 11 333.0 333.5 294.5 340.8 2.22 20 412 7386 -13.7 -13.7 100 0.0 -13.7 105 12 334.3 335.0 295.6 345.5 3.22 21 409 7441 -13.9 -13.9 100 0.0 -13.9 105 12 334.8 335.4 295.7 345.9 3.20 22 407 7479 -14.5 -20.5 60 6.0 -16.4 105 13 334.5 334.9 294.6 341.0 1.84 23 400 7610 -14.5 -21.5 55 7.0 -16.7 105 13 336.1 336.5 294.8 342.3 1.72 24 381 7978 -16.3 -26.3 42 10.0 -19.0 123 9 338.5 338.7 295.0 342.8 1.17 25 368 8238 -18.3 -21.9 73 3.6 -19.4 140 6 339.2 339.6 295.7 345.7 1.80 26 354 8527 -20.5 -23.5 77 3.0 -21.4 140 10 340.0 340.4 295.7 346.0 1.62 27 322 9221 -26.1 -33.1 52 7.0 -27.4 124 6 341.6 341.8 295.4 344.4 0.73 28 317 9334 -27.3 -32.3 62 5.0 -28.3 132 9 341.5 341.6 295.4 344.5 0.80 29 300 9730 -29.5 -32.9 72 3.4 -30.1 130 18 343.8 344.0 295.9 346.9 0.80 30 278 10267 -33.3 -36.6 72 3.3 -33.8 97 21 345.9 346.0 296.3 348.2 0.60 31 264 10626 -36.7 -38.0 88 1.3 -36.9 69 18 346.1 346.2 296.3 348.2 0.55 32 251 10973 -39.5 -43.1 68 3.6 -39.8 47 13 346.9 347.0 296.3 348.3 0.34 33 250 11000 -39.7 -42.9 71 3.2 -40.0 45 13 347.0 347.1 296.3 348.4 0.35 34 212 12102 -49.1 -51.1 79 2.0 -49.2 60 10 349.2 349.2 296.6 349.8 0.16 35 202 12416 -51.9 -53.9 79 2.0 -52.0 61 17 349.6 349.6 296.7 350.1 0.12 36 200 12480 -52.5 -56.4 63 3.9 -52.7 60 18 349.6 349.7 296.6 350.0 0.09 37 199 12513 -52.7 -57.4 57 4.7 -52.8 51 16 349.8 349.8 296.7 350.2 0.08 38 188 12879 -55.9 -58.9 69 3.0 -56.0 74 19 350.4 350.4 296.8 350.7 0.07 39 156 14043 -66.5 -71.4 50 4.9 -66.5 58 23 351.6 351.6 297.0 351.6 0.02 40 150 14280 -68.3 -72.8 52 4.5 -68.4 55 24 352.4 352.4 297.2 352.5 0.01 41 115 15822 -80.3 -85.3 43 5.0 -80.3 61 17 358.0 358.0 298.3 358.0 0.00 42 112 15972 -78.9 -88.9 18 10.0 -78.9 68 14 363.3 363.3 299.4 363.3 0.00 43 111 16024 -72.7 -85.7 12 13.0 -72.8 70 13 375.9 375.9 301.6 375.9 0.00 44 110 16077 -72.7 -85.7 12 13.0 -72.8 72 12 376.8 376.8 301.7 376.9 0.00 45 101 16573 -75.7 -87.7 14 12.0 -75.7 141 14 380.4 380.4 302.3 380.4 0.00 46 100 16630 -75.9 -87.9 13 12.0 -75.9 160 13 381.1 381.1 302.4 381.1 0.00 47 90 17233 -78.7 -88.7 18 10.0 -78.7 135 23 387.2 387.2 303.3 387.2 0.00 48 85 17560 -75.9 -87.9 13 12.0 -75.9 132 17 399.2 399.2 305.1 399.2 0.00 49 72 18510 -79.1 -89.1 18 10.0 -79.1 286 24 411.8 411.8 306.7 411.8 0.00 50 70 18670 -77.5 -89.5 13 12.0 -77.6 265 25 418.6 418.6 307.6 418.6 0.00 51 64 19187 -73.9 -89.9 7 16.0 -74.0 270 27 437.4 437.4 309.6 437.4 0.00 52 50 20640 -69.7 -90.7 3 21.0 -69.9 295 29 479.2 479.2 313.4 479.2 0.00 53 48 20884 -69.1 -91.1 3 22.0 -69.3 294 26 486.3 486.3 314.0 486.3 0.00 54 39 22151 -60.7 -89.7 1 29.0 -61.4 273 24 537.3 537.3 317.3 537.3 0.00 55 31 23568 -64.1 -91.1 1 27.0 -64.7 280 11 564.6 564.6 318.9 564.6 0.00 56 30 23770 -62.7 -91.7 1 29.0 -63.4 10 4 573.7 573.7 319.3 573.7 0.00 57 28 24202 -56.5 -88.5 1 32.0 -57.9 315 3 602.4 602.4 320.7 602.4 0.01 58 26 24669 -58.9 -88.9 1 30.0 -60.1 37 10 608.5 608.5 321.0 608.5 0.01 59 24 25177 -54.5 -87.5 1 33.0 -56.5 79 18 635.3 635.3 322.1 635.4 0.01 60 23 25449 -55.1 -88.1 1 33.0 -57.1 73 22 641.4 641.4 322.3 641.4 0.01 TRP 90 17233 -78.7 -88.7 18 10.0 -78.7 135 23 387.2 387.2 303.3 387.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 555.18 mb = 5056.92 m = 16590.74 ft Wetbulb zero: 585.52 mb = 4625.49 m = 15175.31 ft Precipitable water: 2.18 inches Sfc-500 mean rel hum: 73.37 % Est. max temperature: 33.91 C = 93.04 F Sfc-Lift cond lev (LCL): 986.98 mb = 200.95 m = 659.27 ft T: 24.20 C 700-500 lapse rate: 5.89 C/km ThetaE index: 13.92 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 915.00 mb = 864.11 m = 2834.98 ft Mean mixing ratio: 16.94 g/kg Conv temperature: 28.29 C = 82.91 F Cap Strength: 2.66 C Lifted Index: -1.61 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.93 C Lifted Index @700 mb: 0.89 C Showalter Index: 1.78 C Risk: Showers probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 17.70 C K Index: 31.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 182.00 Risk: None Energy Index: -0.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 342.63 J/kg Max Up Vert Vel: 26.18 m/s Conv Inhibition (B-): 127.03 J/kg Cap Strength: 2.65 C Lift Cond Lev (LCL): 934.12 mb = 683.89 m = 2243.71 ft Lev Free Conv (LFC): 659.12 mb = 3651.26 m = 11979.06 ft Equ Level (EL): 219.12 mb = 11880.70 m = 38978.21 ft B at Equ Level: 341.39 J/kg Max Parcel Lev (MPL): 119.12 mb = 15617.92 m = 51239.27 ft Wind level data Storm motion: 143 at 7 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 1001 85 110 4 -3.8 1.4 | 351 5 0.7 -4.6 1 1000 86 45 6 -4.2 -4.2 | 359 10 0.3 -10.2 2 975 305 40 1 -0.6 -0.8 | 330 8 3.9 -6.7 3 942 610 250 3 2.8 1.0 | 304 9 7.3 -4.9 4 925 770 235 5 4.1 2.9 | 290 9 8.6 -3.1 5 910 914 240 5 4.3 2.5 | 291 9 8.8 -3.5 6 850 1501 75 9 -8.7 -2.3 | 27 9 -4.2 -8.3 7 848 1524 75 10 -9.7 -2.6 | 31 10 -5.2 -8.6 8 818 1829 110 12 -11.3 4.1 | 75 7 -6.8 -1.9 9 789 2134 115 9 -8.2 3.8 | 59 4 -3.6 -2.2 10 761 2438 125 15 -12.3 8.6 | 109 8 -7.8 2.6 11 735 2743 140 14 -9.0 10.7 | 137 7 -4.5 4.8 12 700 3155 100 13 -12.8 2.3 | 66 9 -8.3 -3.7 13 683 3353 90 12 -12.0 0.0 | 51 10 -7.5 -6.0 14 658 3658 120 10 -8.7 5.0 | 77 4 -4.2 -1.0 15 634 3962 100 11 -10.8 1.9 | 57 8 -6.3 -4.1 16 610 4267 110 10 -9.4 3.4 | 62 6 -4.9 -2.6 17 588 4572 120 10 -8.7 5.0 | 77 4 -4.2 -1.0 18 566 4877 95 12 -12.0 1.0 | 57 9 -7.4 -4.9 19 546 5182 110 13 -12.2 4.4 | 79 8 -7.7 -1.5 20 506 5791 115 11 -10.0 4.6 | 76 6 -5.5 -1.3 21 500 5890 150 8 -4.0 6.9 | 208 1 0.5 1.0 22 487 6096 165 9 -2.3 8.7 | 219 3 2.2 2.7 23 450 6706 130 11 -8.4 7.1 | 106 4 -3.9 1.1 24 432 7010 105 11 -10.6 2.8 | 63 7 -6.1 -3.1 25 400 7610 105 13 -12.6 3.4 | 72 8 -8.0 -2.6 26 399 7620 100 14 -13.8 2.4 | 69 10 -9.3 -3.5 27 368 8230 140 6 -3.9 4.6 | 335 2 0.7 -1.4 28 353 8534 140 10 -6.4 7.7 | 131 3 -1.9 1.7 29 325 9144 120 4 -3.5 2.0 | 345 4 1.0 -4.0 30 312 9449 140 12 -7.7 9.2 | 135 5 -3.2 3.2 31 300 9730 130 18 -13.8 11.6 | 121 11 -9.3 5.6 32 286 10058 120 18 -15.6 9.0 | 105 11 -11.1 3.0 33 274 10363 85 22 -21.9 -1.9 | 66 19 -17.4 -7.9 34 250 11000 45 13 -9.2 -9.2 | 17 16 -4.7 -15.2 35 240 11278 45 13 -9.2 -9.2 | 17 16 -4.7 -15.2 36 219 11887 50 7 -5.4 -4.5 | 5 11 -0.9 -10.5 37 209 12192 65 12 -10.9 -5.1 | 30 13 -6.4 -11.0 38 200 12480 60 18 -15.6 -9.0 | 37 19 -11.1 -15.0 39 199 12497 50 16 -12.3 -10.3 | 25 18 -7.7 -16.3 40 190 12802 75 19 -18.4 -4.9 | 52 18 -13.8 -10.9 41 150 14280 55 24 -19.7 -13.8 | 38 25 -15.2 -19.7 42 149 14326 50 20 -15.3 -12.9 | 30 22 -10.8 -18.8 43 134 14935 60 27 -23.4 -13.5 | 44 27 -18.9 -19.5 44 121 15545 50 22 -16.9 -14.1 | 32 24 -12.3 -20.1 45 109 16154 75 11 -10.6 -2.8 | 35 11 -6.1 -8.8 46 103 16459 105 17 -16.4 4.4 | 82 12 -11.9 -1.6 47 100 16630 160 13 -4.4 12.2 | 181 6 0.1 6.2 48 98 16764 160 13 -4.4 12.2 | 181 6 0.1 6.2 49 93 17069 140 15 -9.6 11.5 | 137 8 -5.1 5.5 50 90 17233 135 23 -16.3 16.3 | 131 16 -11.8 10.3 51 88 17374 135 24 -17.0 17.0 | 131 17 -12.5 11.0 52 83 17678 130 13 -10.0 8.4 | 114 6 -5.5 2.4 53 79 17983 325 10 5.7 -8.2 | 324 17 10.2 -14.2 54 71 18593 280 26 25.6 -4.5 | 289 32 30.1 -10.5 55 70 18670 265 25 24.9 2.2 | 277 30 29.4 -3.8 56 67 18898 270 14 14.0 -0.0 | 288 19 18.5 -6.0 57 61 19507 270 41 41.0 -0.0 | 277 46 45.5 -6.0 58 55 20117 260 19 18.7 3.3 | 277 23 23.2 -2.7 59 52 20422 270 30 30.0 -0.0 | 280 35 34.5 -6.0 60 50 20640 295 29 26.3 -12.3 | 301 36 30.8 -18.2 61 49 20726 295 28 25.4 -11.8 | 301 35 29.9 -17.8 62 42 21641 290 15 14.1 -5.1 | 301 22 18.6 -11.1 63 38 22250 270 26 26.0 -0.0 | 281 31 30.5 -6.0 64 37 22555 250 23 21.6 7.9 | 266 26 26.1 1.9 65 35 22860 265 13 13.0 1.1 | 285 18 17.5 -4.8 66 32 23470 235 15 12.3 8.6 | 261 17 16.8 2.6 67 30 23770 10 4 -0.7 -3.9 | 339 11 3.8 -9.9 68 30 23774 240 11 9.5 5.5 | 272 14 14.0 -0.5 69 28 24079 320 3 1.9 -2.3 | 322 10 6.4 -8.3 70 26 24384 40 10 -6.4 -7.7 | 8 14 -1.9 -13.6 71 24 24689 80 17 -16.7 -3.0 | 54 15 -12.2 -8.9 72 21 25298 60 33 -28.6 -16.5 | 47 33 -24.1 -22.5 73 18 25908 75 26 -25.1 -6.7 | 58 24 -20.6 -12.7 Wind Parameters Mean winds (0-6000m): 113.0 at 10.0 knts Storm direction: 143.0 at 7.5 knts Shear (0-3000m) pos: 2.0 neg: 2.9 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 84.3 deg Storm rel helicity (0-3000m) pos: 27.3 neg: -46.0 tot: -18.7 m^2/s^2 ave: -6.2 10^-3 m/s^2 rel: -0.07 Storm rel vorticity (0-3000m) horiz: 10.5 stream: -0.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 24.40 Bulk Shear: 14.04 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 23 3 338 9| 6.8 0.0 6.8| 0.0 -15.2 -15.2 -30.4 -0.58| 11.8 -6.8 1000 237 4 298 9| 3.4 3.0 6.4| 0.4 -27.8 -27.3 -27.3 -0.63| 9.9 -6.2 1500 92 5 6 6| 2.3 4.5 6.8| 4.1 -31.6 -27.5 -18.4 -0.24| 12.8 -3.0 2000 103 7 23 5| 2.4 3.4 5.8| 14.6 -32.9 -18.3 -9.1 -0.11| 11.6 -1.2 2500 113 8 42 4| 2.5 2.7 5.2| 25.2 -32.9 -7.8 -3.1 0.03| 10.9 0.3 3000 118 9 61 4| 2.0 2.9 4.9| 27.3 -46.0 -18.7 -6.2 -0.07| 10.5 -0.7 4000 112 9 61 5| 1.8 2.3 4.1| 32.1 -56.7 -24.6 -6.1 -0.09| 9.5 -0.9 5000 111 10 62 5| 1.7 2.3 4.0| 38.8 -60.4 -21.6 -4.3 -0.06| 8.7 -0.6 6000 113 10 66 5| 2.3 1.9 4.2| 42.7 -60.9 -18.1 -3.0 0.03| 8.4 0.3 Wrote GIF file: /home/apache/climate/data/raob//SBTT/skewt/SBTT.skewt.20250430.00.gif