UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050412.upa.cvt Date: 1200Z 4 MAY 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 4 MAY 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 122 SFC 975 344 23.4 22.4 94 1.0 22.7 60 4 298.7 301.9 296.7 350.5 17.76 2 925 802 20.2 20.2 100 0.0 20.2 85 11 300.0 302.9 296.1 347.7 16.32 3 909 953 19.4 18.9 97 0.5 19.1 84 11 300.6 303.4 295.6 345.5 15.29 4 850 1530 17.4 16.1 92 1.3 16.5 75 10 304.4 306.9 295.6 345.1 13.67 5 700 3169 9.0 6.2 83 2.8 7.3 90 18 312.5 314.1 294.0 338.9 8.53 6 688 3313 8.8 5.4 79 3.4 6.8 105 20 313.8 315.3 294.1 339.3 8.21 7 590 4571 0.6 0.1 96 0.5 0.3 76 21 318.3 319.6 294.1 339.2 6.55 8 500 5890 -5.3 -5.7 97 0.4 -5.5 75 16 326.6 327.6 295.1 343.2 5.01 9 469 6390 -8.1 -8.2 99 0.1 -8.2 73 14 329.1 330.0 295.3 343.9 4.40 10 419 7257 -12.5 -12.9 97 0.4 -12.7 94 10 334.3 335.0 295.7 346.0 3.39 11 400 7610 -15.1 -16.4 90 1.3 -15.6 110 13 335.4 335.9 295.4 344.7 2.66 12 331 9014 -24.3 -26.1 85 1.8 -24.8 118 21 341.4 341.7 295.8 346.5 1.37 13 322 9214 -26.7 -38.7 31 12.0 -28.5 120 20 340.8 340.9 294.9 342.4 0.42 14 300 9720 -30.5 -40.5 37 10.0 -31.8 170 6 342.4 342.5 295.3 343.9 0.37 15 285 10083 -32.9 -42.9 36 10.0 -34.1 178 5 344.0 344.1 295.6 345.2 0.30 16 258 10775 -39.1 -46.1 47 7.0 -39.7 143 10 344.8 344.9 295.7 345.8 0.24 17 250 10990 -40.3 -50.3 33 10.0 -41.0 145 11 346.2 346.2 295.9 346.8 0.15 18 247 11072 -41.1 -54.1 23 13.0 -41.9 151 11 346.2 346.2 295.8 346.6 0.10 19 203 12374 -52.1 -66.1 17 14.0 -52.4 248 15 348.8 348.8 296.4 348.9 0.03 20 200 12470 -52.9 -65.9 19 13.0 -53.2 255 15 349.0 349.0 296.4 349.1 0.03 21 184 13001 -57.5 -68.5 23 11.0 -57.7 273 13 350.0 350.0 296.7 350.0 0.02 22 169 13531 -61.7 -67.7 45 6.0 -61.8 275 10 351.6 351.6 297.0 351.7 0.03 23 163 13754 -62.9 -77.9 12 15.0 -63.0 275 10 353.2 353.2 297.3 353.2 0.01 24 150 14260 -66.7 -77.7 20 11.0 -66.8 20 5 355.2 355.2 297.7 355.2 0.01 25 149 14300 -66.9 -78.9 17 12.0 -67.0 338 8 355.5 355.5 297.8 355.5 0.01 26 101 16564 -80.3 -87.3 30 7.0 -80.3 200 16 371.5 371.5 300.8 371.5 0.00 27 100 16620 -80.5 -87.5 30 7.0 -80.5 200 15 372.2 372.2 300.9 372.2 0.00 28 93 17028 -82.3 -88.3 35 6.0 -82.3 129 14 376.4 376.4 301.6 376.5 0.00 29 83 17672 -77.3 -87.3 19 10.0 -77.3 16 4 399.1 399.1 305.1 399.1 0.00 30 75 18251 -78.7 -89.7 15 11.0 -78.7 268 21 407.9 407.9 306.2 407.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5768.00 m Freezing level: 580.85 mb = 4704.72 m = 15435.25 ft Wetbulb zero: 585.15 mb = 4636.37 m = 15211.01 ft Precipitable water: 2.19 inches Sfc-500 mean rel hum: 91.38 % Est. max temperature: 30.26 C = 86.48 F Sfc-Lift cond lev (LCL): 961.25 mb = 467.55 m = 1533.94 ft T: 22.54 C 700-500 lapse rate: 5.26 C/km ThetaE index: 11.59 C Layer 925.0- 688.0 mb Conv cond level (CCL): 918.00 mb = 867.66 m = 2846.63 ft Mean mixing ratio: 16.06 g/kg Conv temperature: 24.94 C = 76.89 F Cap Strength: 0.27 C Lifted Index: -1.45 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.70 C Lifted Index @700 mb: -0.86 C Showalter Index: -0.52 C Risk: Thunderstorms probable Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 21.40 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 229.20 Risk: None Energy Index: -0.47 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 330.50 J/kg Max Up Vert Vel: 25.71 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.26 C Lift Cond Lev (LCL): 917.45 mb = 872.84 m = 2863.62 ft Lev Free Conv (LFC): 912.45 mb = 920.08 m = 3018.60 ft Equ Level (EL): 882.45 mb = 1207.77 m = 3962.46 ft B at Equ Level: 15.69 J/kg Max Parcel Lev (MPL): 142.45 mb = 14561.96 m = 47774.89 ft Wind level data Storm motion: 113 at 12 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 ---------------------------------------------------------- 0 975 344 60 4 -3.5 -2.0 | 311 10 7.9 -6.8 1 946 610 80 11 -10.8 -1.9 | 356 7 0.5 -6.7 2 925 802 85 11 -11.0 -1.0 | 356 6 0.4 -5.7 3 913 914 85 11 -11.0 -1.0 | 356 6 0.4 -5.7 4 851 1524 75 10 -9.7 -2.6 | 347 8 1.7 -7.4 5 850 1530 75 10 -9.7 -2.6 | 347 8 1.7 -7.4 6 820 1829 50 11 -8.4 -7.1 | 346 12 2.9 -11.9 7 791 2134 60 11 -9.5 -5.5 | 350 10 1.8 -10.3 8 763 2438 80 12 -11.8 -2.1 | 4 7 -0.5 -6.9 9 736 2743 65 18 -16.3 -7.6 | 22 13 -5.0 -12.4 10 700 3169 90 18 -18.0 0.0 | 54 8 -6.7 -4.8 11 684 3353 110 21 -19.7 7.2 | 106 9 -8.4 2.4 12 635 3962 105 27 -26.1 7.0 | 98 15 -14.7 2.2 13 611 4267 95 23 -22.9 2.0 | 76 12 -11.6 -2.8 14 589 4572 75 21 -20.3 -5.4 | 41 14 -8.9 -10.2 15 500 5890 75 16 -15.5 -4.1 | 25 10 -4.1 -8.9 16 487 6096 75 15 -14.5 -3.9 | 20 9 -3.1 -8.7 17 432 7010 70 13 -12.2 -4.4 | 5 9 -0.9 -9.2 18 416 7315 100 9 -8.9 1.6 | 322 4 2.5 -3.2 19 400 7610 110 13 -12.2 4.4 | 69 1 -0.9 -0.3 20 399 7620 110 10 -9.4 3.4 | 305 2 1.9 -1.4 21 368 8230 135 15 -10.6 10.6 | 187 6 0.7 5.8 22 325 9144 115 22 -19.9 9.3 | 118 10 -8.6 4.5 23 300 9720 170 6 -1.0 5.9 | 264 10 10.3 1.1 24 286 10058 180 5 0.0 5.0 | 269 11 11.3 0.2 25 274 10363 150 10 -5.0 8.7 | 239 7 6.3 3.9 26 251 10973 140 10 -6.4 7.7 | 240 6 4.9 2.9 27 250 10990 145 11 -6.3 9.0 | 230 7 5.0 4.2 28 200 12470 255 15 14.5 3.9 | 272 26 25.8 -0.9 29 199 12497 250 11 10.3 3.8 | 273 22 21.7 -1.0 30 190 12802 255 16 15.5 4.1 | 271 27 26.8 -0.6 31 181 13106 285 11 10.6 -2.8 | 289 23 22.0 -7.6 32 164 13716 270 10 10.0 -0.0 | 283 22 21.3 -4.8 33 150 14260 20 5 -1.7 -4.7 | 315 14 9.6 -9.5 34 148 14326 310 10 7.7 -6.4 | 301 22 19.0 -11.2 35 127 15240 50 2 -1.5 -1.3 | 302 12 9.8 -6.1 36 120 15545 140 12 -7.7 9.2 | 219 6 3.6 4.4 37 114 15850 145 15 -8.6 12.3 | 200 8 2.7 7.5 38 108 16154 200 26 8.9 24.4 | 226 28 20.2 19.6 39 100 16620 200 15 5.1 14.1 | 241 19 16.5 9.3 40 97 16764 200 15 5.1 14.1 | 241 19 16.5 9.3 41 92 17069 115 14 -12.7 5.9 | 130 2 -1.3 1.1 42 87 17374 105 12 -11.6 3.1 | 8 2 -0.2 -1.7 43 82 17678 5 3 -0.3 -3.0 | 305 14 11.1 -7.8 44 78 17983 275 12 12.0 -1.0 | 284 24 23.3 -5.8 45 74 18288 265 25 24.9 2.2 | 274 36 36.2 -2.6 46 70 18593 290 19 17.9 -6.5 | 291 31 29.2 -11.3 Wind Parameters Mean winds (0-6000m): 82.9 at 16.4 knts Storm direction: 112.9 at 12.3 knts Shear (0-3000m) pos: 3.7 neg: 1.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 152.8 deg Storm rel helicity (0-3000m) pos: 59.9 neg: -2.8 tot: 57.1 m^2/s^2 ave: 19.0 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 4.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 46.73 Bulk Shear: 7.07 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 79 9 340 7| 7.8 0.0 7.8| 14.5 0.0 14.5 28.9 0.79| 8.6 6.8 1000 81 10 346 7| 3.9 0.8 4.7| 14.5 -1.2 13.2 13.2 0.59| 5.1 3.0 1500 76 10 348 7| 2.6 2.2 4.8| 14.7 -2.8 11.9 7.9 0.36| 5.2 1.8 2000 72 10 349 8| 2.9 1.7 4.6| 20.5 -2.8 17.7 8.8 0.38| 5.1 1.9 2500 72 11 356 8| 2.3 1.9 4.2| 32.9 -2.8 30.1 12.0 0.41| 6.1 2.5 3000 76 13 6 8| 3.7 1.6 5.3| 59.9 -2.8 57.1 19.0 0.56| 7.4 4.1 4000 87 16 37 7| 2.8 2.1 4.9| 60.3 -31.5 28.8 7.2 0.27| 7.3 2.0 5000 85 16 39 8| 2.2 2.1 4.3| 60.3 -56.5 3.8 0.8 0.12| 6.8 0.8 6000 83 16 36 8| 1.9 1.7 3.6| 60.3 -64.2 -3.9 -0.7 0.08| 6.0 0.5 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20250504.12.gif