UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 28 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 114 SFC 974 344 25.8 21.5 77 4.3 22.7 360 6 301.2 304.3 296.8 350.6 16.80 2 932 731 21.2 20.7 97 0.5 20.9 68 6 300.3 303.4 296.5 349.3 16.71 3 925 797 20.8 20.1 96 0.7 20.3 80 7 300.6 303.5 296.2 348.2 16.22 4 898 1054 19.4 18.9 97 0.5 19.1 88 8 301.7 304.5 296.0 347.3 15.48 5 890 1131 20.0 18.2 89 1.8 18.8 92 8 303.1 305.8 296.0 347.4 14.94 6 850 1528 17.6 16.2 91 1.4 16.7 115 7 304.6 307.1 295.7 345.6 13.76 7 817 1866 16.8 10.8 68 6.0 13.0 132 10 307.2 309.1 293.7 337.5 10.01 8 722 2910 10.8 9.9 94 0.9 10.2 73 11 311.7 313.7 295.4 344.5 10.67 9 700 3168 10.0 7.3 83 2.7 8.3 70 12 313.6 315.3 294.8 342.1 9.21 10 500 5890 -5.5 -7.8 84 2.3 -6.6 90 21 326.3 327.2 294.4 340.5 4.26 11 400 7610 -15.1 -38.1 12 23.0 -19.5 75 24 335.4 335.4 293.5 336.7 0.36 12 300 9730 -29.9 -34.8 62 4.9 -30.7 95 27 343.2 343.4 295.7 345.8 0.66 13 250 11000 -40.3 -47.3 47 7.0 -40.9 100 34 346.2 346.2 296.0 347.0 0.21 14 200 12480 -51.7 -62.7 26 11.0 -52.0 150 28 350.9 350.9 296.8 351.1 0.04 15 150 14280 -66.9 -71.8 50 4.9 -67.0 85 11 354.8 354.8 297.7 354.9 0.02 16 103 16456 -83.5 -89.5 34 6.0 -83.5 90 8 363.3 363.3 299.4 363.3 0.00 17 100 16620 -83.3 -89.3 34 6.0 -83.3 95 15 366.8 366.8 300.0 366.8 0.00 18 93 17022 -84.1 -91.1 28 7.0 -84.1 102 23 372.9 372.9 301.1 372.9 0.00 19 88 17334 -76.7 -86.7 19 10.0 -76.7 109 33 393.7 393.7 304.3 393.7 0.00 20 78 18028 -76.1 -89.1 11 13.0 -76.2 290 13 408.7 408.7 306.3 408.7 0.00 21 76 18180 -72.5 -88.5 7 16.0 -72.6 278 15 419.3 419.3 307.6 419.3 0.00 22 71 18577 -74.3 -89.3 8 15.0 -74.3 262 30 423.7 423.7 308.2 423.7 0.00 23 70 18660 -73.7 -89.7 7 16.0 -73.7 260 34 426.7 426.7 308.5 426.7 0.00 24 59 19664 -72.3 -90.3 5 18.0 -72.4 262 34 451.2 451.2 311.0 451.2 0.00 25 50 20650 -67.5 -89.5 3 22.0 -67.7 280 30 484.4 484.4 313.8 484.4 0.00 26 48 20897 -65.1 -89.1 2 24.0 -65.4 280 31 495.8 495.8 314.7 495.8 0.00 27 38 22328 -62.9 -88.9 2 26.0 -63.4 292 22 535.7 535.7 317.3 535.7 0.00 TRP 103 16456 -83.5 -89.5 34 6.0 -83.5 90 8 363.3 363.3 299.4 363.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5776.00 m Freezing level: 570.97 mb = 4924.13 m = 16155.08 ft Wetbulb zero: 588.14 mb = 4576.52 m = 15014.63 ft Precipitable water: 2.05 inches Sfc-500 mean rel hum: 84.62 % Est. max temperature: 31.19 C = 88.14 F Sfc-Lift cond lev (LCL): 915.05 mb = 890.72 m = 2922.29 ft T: 20.29 C 700-500 lapse rate: 5.69 C/km ThetaE index: 9.92 C Layer 850.0- 722.0 mb Conv cond level (CCL): 899.48 mb = 1039.57 m = 3410.61 ft Mean mixing ratio: 16.02 g/kg Conv temperature: 26.22 C = 79.19 F Cap Strength: 0.94 C Lifted Index: -2.06 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.80 C Lifted Index @700 mb: -0.22 C Showalter Index: -0.95 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.70 C K Index: 36.60 Risk: > 80 % chance of thunderstorms Sweat Index: 229.40 Risk: None Energy Index: -1.07 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 400.08 J/kg Max Up Vert Vel: 28.29 m/s Conv Inhibition (B-): 23.02 J/kg Cap Strength: 0.79 C Lift Cond Lev (LCL): 902.53 mb = 1010.15 m = 3314.09 ft Lev Free Conv (LFC): 757.53 mb = 2504.33 m = 8216.20 ft Equ Level (EL): 237.53 mb = 11339.24 m = 37201.77 ft B at Equ Level: 399.33 J/kg Max Parcel Lev (MPL): 137.53 mb = 14782.21 m = 48497.48 ft Wind level data Storm motion: 118 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 ---------------------------------------------------------- 0 974 344 360 6 -0.0 -6.0 | 319 15 9.6 -11.1 1 945 610 45 5 -3.5 -3.5 | 325 11 6.1 -8.6 2 925 797 80 7 -6.9 -1.2 | 336 7 2.8 -6.3 3 913 914 80 8 -7.9 -1.4 | 345 7 1.8 -6.5 4 850 1528 115 7 -6.3 3.0 | 303 4 3.3 -2.2 5 791 2134 145 13 -7.5 10.6 | 202 6 2.2 5.5 6 763 2438 110 11 -10.3 3.8 | 27 2 -0.7 -1.4 7 736 2743 75 10 -9.7 -2.6 | 0 8 -0.0 -7.7 8 700 3168 70 12 -11.3 -4.1 | 10 9 -1.6 -9.2 9 659 3658 70 14 -13.2 -4.8 | 20 11 -3.5 -9.9 10 635 3962 75 15 -14.5 -3.9 | 28 10 -4.8 -9.0 11 611 4267 80 21 -20.7 -3.6 | 52 14 -11.0 -8.8 12 500 5890 90 21 -21.0 0.0 | 66 12 -11.4 -5.1 13 487 6096 100 23 -22.7 4.0 | 85 13 -13.0 -1.1 14 416 7315 70 29 -27.3 -9.9 | 50 23 -17.6 -15.0 15 400 7610 75 24 -23.2 -6.2 | 50 18 -13.5 -11.3 16 368 8230 75 24 -23.2 -6.2 | 50 18 -13.5 -11.3 17 300 9730 95 27 -26.9 2.4 | 81 17 -17.3 -2.8 18 286 10058 105 30 -29.0 7.8 | 98 20 -19.3 2.7 19 250 11000 100 34 -33.5 5.9 | 92 24 -23.8 0.8 20 240 11278 100 34 -33.5 5.9 | 92 24 -23.8 0.8 21 229 11582 100 28 -27.6 4.9 | 89 18 -17.9 -0.3 22 200 12480 150 28 -14.0 24.2 | 167 20 -4.4 19.1 23 190 12802 150 27 -13.5 23.4 | 168 19 -3.9 18.3 24 172 13411 150 20 -10.0 17.3 | 178 12 -0.4 12.2 25 164 13716 140 15 -9.6 11.5 | 180 6 0.0 6.4 26 150 14280 85 11 -11.0 -1.0 | 12 6 -1.3 -6.1 27 141 14630 70 11 -10.3 -3.8 | 4 9 -0.7 -8.9 28 134 14935 70 10 -9.4 -3.4 | 358 9 0.3 -8.5 29 109 16154 360 11 -0.0 -11.0 | 329 19 9.6 -16.1 30 103 16456 90 8 -8.0 0.0 | 342 5 1.6 -5.1 31 103 16459 10 10 -1.7 -9.8 | 332 17 7.9 -15.0 32 100 16620 95 15 -14.9 1.3 | 54 7 -5.3 -3.8 33 98 16764 95 15 -14.9 1.3 | 54 7 -5.3 -3.8 34 88 17374 110 34 -31.9 11.6 | 106 23 -22.3 6.5 35 83 17678 130 15 -11.5 9.6 | 158 5 -1.8 4.5 36 79 17983 295 12 10.9 -5.1 | 296 23 20.5 -10.2 37 75 18288 270 17 17.0 -0.0 | 281 27 26.6 -5.1 38 70 18660 260 34 33.5 5.9 | 269 43 43.1 0.8 39 64 19202 250 42 39.5 14.4 | 259 50 49.1 9.3 40 58 19812 265 32 31.9 2.8 | 273 42 41.5 -2.3 41 50 20650 280 30 29.5 -5.2 | 285 41 39.2 -10.3 42 46 21031 280 32 31.5 -5.6 | 285 43 41.2 -10.7 43 43 21336 270 24 24.0 -0.0 | 279 34 33.6 -5.1 44 41 21641 275 24 23.9 -2.1 | 282 34 33.6 -7.2 45 33 22555 325 17 9.8 -13.9 | 314 27 19.4 -19.0 Wind Parameters Mean winds (0-6000m): 87.9 at 14.6 knts Storm direction: 117.9 at 10.9 knts Shear (0-3000m) pos: 2.5 neg: 2.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 54.6 deg Storm rel helicity (0-3000m) pos: 15.7 neg: -11.9 tot: 3.8 m^2/s^2 ave: 1.3 10^-3 m/s^2 rel: -0.23 Storm rel vorticity (0-3000m) horiz: 6.7 stream: -1.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 24.99 Bulk Shear: 16.01 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 45 6 329 11| 8.9 0.0 8.9| 10.0 0.0 10.0 20.1 0.41| 9.0 3.7 1000 72 7 336 8| 5.4 0.0 5.4| 10.9 -2.6 8.4 8.4 0.18| 6.4 1.1 1500 91 7 334 6| 5.1 0.0 5.1| 10.9 -6.1 4.9 3.2 -0.13| 6.1 -0.8 2000 110 8 322 3| 3.8 0.6 4.4| 10.9 -9.2 1.7 0.9 -0.23| 6.9 -1.6 2500 106 9 337 3| 3.0 2.0 5.1| 11.7 -11.9 -0.2 -0.1 -0.29| 7.5 -2.2 3000 97 9 354 4| 2.5 2.0 4.5| 15.7 -11.9 3.8 1.3 -0.23| 6.7 -1.5 4000 88 11 13 6| 2.7 1.5 4.2| 38.7 -11.9 26.8 6.7 -0.03| 6.2 -0.2 5000 86 13 29 7| 2.4 1.2 3.6| 45.9 -11.9 34.0 6.8 0.01| 5.2 0.1 6000 88 15 41 7| 2.3 1.0 3.3| 62.7 -18.2 44.6 7.4 0.07| 5.0 0.3 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20250428.12.gif