UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:0000Z 18 APR 25 Station: SBSM WMO ident: 83937 Latitude: -29.71 Longitude: -53.69 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 1003 85 19.2 17.9 92 1.3 18.4 150 1 292.1 294.4 291.4 328.8 12.97 1 1000 112 20.6 17.8 84 2.8 18.7 85 4 293.8 296.1 291.9 330.6 12.93 2 997 138 22.2 17.7 76 4.5 19.2 86 6 295.6 297.9 292.4 332.6 12.88 3 934 708 22.6 1.6 25 21.0 11.3 84 10 301.6 302.4 287.2 315.5 4.60 4 925 792 22.0 10.0 46 12.0 14.6 70 8 301.8 303.3 290.7 326.6 8.36 5 908 953 20.6 10.6 53 10.0 14.4 54 7 302.0 303.6 291.2 328.3 8.87 6 850 1519 16.2 11.3 73 4.9 13.1 350 8 303.1 305.0 292.4 332.7 9.94 7 801 2020 12.0 9.3 84 2.7 10.3 335 15 303.8 305.5 292.1 331.4 9.22 8 795 2083 11.4 8.7 83 2.7 9.7 335 16 303.8 305.5 291.9 330.5 8.92 9 730 2794 10.0 -17.0 13 27.0 -0.0 329 11 309.8 310.1 286.9 314.4 1.38 10 700 3141 7.8 -17.2 15 25.0 -1.4 325 8 311.1 311.4 287.3 315.8 1.42 11 636 3924 3.2 -22.8 13 26.0 -5.1 281 21 314.5 314.7 288.1 317.8 0.96 12 584 4608 -3.1 -23.1 20 20.0 -9.0 265 29 315.0 315.2 288.2 318.4 1.02 13 563 4897 -4.1 -38.1 5 34.0 -11.1 267 31 317.1 317.1 288.1 318.0 0.25 14 500 5820 -11.5 -41.5 6 30.0 -16.5 280 34 319.0 319.1 288.6 319.8 0.20 15 400 7480 -24.5 -49.5 8 25.0 -27.0 275 27 323.1 323.2 289.8 323.6 0.10 16 341 8624 -33.5 -55.5 9 22.0 -34.8 264 30 326.0 326.0 290.6 326.2 0.06 17 308 9331 -40.3 -54.3 21 14.0 -41.0 268 32 326.1 326.1 290.7 326.4 0.08 18 300 9510 -41.5 -57.5 16 16.0 -42.2 260 39 326.9 326.9 290.9 327.1 0.05 19 287 9808 -44.1 -56.1 25 12.0 -44.6 255 38 327.3 327.3 291.0 327.6 0.07 20 278 10021 -45.7 -62.7 13 17.0 -46.2 251 38 328.0 328.0 291.2 328.1 0.03 21 250 10720 -50.5 -65.5 15 15.0 -50.8 260 47 331.0 331.0 292.0 331.1 0.02 22 238 11039 -53.1 -66.1 19 13.0 -53.4 258 46 331.8 331.8 292.2 331.8 0.02 23 204 12024 -56.1 -73.1 10 17.0 -56.3 255 62 342.0 342.0 294.8 342.0 0.01 24 200 12150 -56.3 -74.3 9 18.0 -56.5 255 67 343.6 343.6 295.2 343.6 0.01 25 173 13070 -57.2 -79.3 4 22.1 -57.5 265 79 356.6 356.6 298.0 356.6 0.00 26 156 13724 -57.9 -82.9 3 25.0 -58.2 259 71 366.2 366.2 299.9 366.2 0.00 27 150 13970 -59.7 -83.7 3 24.0 -59.9 255 65 367.2 367.2 300.1 367.2 0.00 28 109 15917 -69.5 -87.5 6 18.0 -69.6 270 62 383.9 383.9 302.9 383.9 0.00 29 101 16371 -69.7 -87.7 6 18.0 -69.8 270 60 391.9 391.9 304.0 391.9 0.00 30 100 16430 -69.9 -87.9 6 18.0 -70.0 270 60 392.7 392.7 304.2 392.7 0.00 31 82 17619 -65.9 -88.9 3 23.0 -66.1 280 45 423.8 423.8 308.2 423.8 0.00 32 75 18155 -68.9 -88.9 4 20.0 -69.0 295 40 428.4 428.4 308.7 428.5 0.00 33 70 18570 -65.7 -88.7 3 23.0 -65.9 235 29 443.8 443.8 310.3 443.8 0.00 34 65 19017 -68.3 -89.3 3 21.0 -68.5 236 28 447.7 447.7 310.6 447.7 0.00 35 54 20147 -62.1 -89.1 2 27.0 -62.5 288 22 486.3 486.3 314.0 486.3 0.00 36 52 20380 -62.1 -88.1 2 26.0 -62.5 282 27 491.6 491.6 314.4 491.6 0.00 TRP 109 15917 -69.5 -87.5 6 18.0 -69.6 270 62 383.9 383.9 302.9 383.9 0.00 WND 173 13070 -57.2 -79.3 4 22.1 -57.5 265 79 356.6 356.6 298.0 356.6 0.00 Sounding variables and indices 1000-500 mb thick: 5708.00 m Freezing level: 609.59 mb = 4271.35 m = 14013.44 ft Wetbulb zero: 730.26 mb = 2790.61 m = 9155.43 ft Precipitable water: 0.97 inches Sfc-500 mean rel hum: 33.07 % Est. max temperature: 30.17 C = 86.30 F Sfc-Lift cond lev (LCL): 984.22 mb = 250.72 m = 822.57 ft T: 22.28 C 700-500 lapse rate: 7.20 C/km ThetaE index: 18.32 C Layer 801.0- 700.0 mb Conv cond level (CCL): 674.75 mb = 3441.14 m = 11289.70 ft Mean mixing ratio: 8.76 g/kg Conv temperature: 39.55 C = 103.20 F Cap Strength: 5.70 C Lifted Index: 2.19 C Risk: None Lifted Index @300 mb: 1.96 C Lifted Index @700 mb: 5.32 C Showalter Index: -1.50 C Risk: Thunderstorms probable Total Totals Index: 50.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 22.80 C K Index: 14.00 Risk: None Sweat Index: 215.60 Risk: None Energy Index: -2.46 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.90 J/kg Max Up Vert Vel: 7.06 m/s Conv Inhibition (B-): 13725.74 J/kg Cap Strength: 5.68 C Lift Cond Lev (LCL): 810.17 mb = 1923.79 m = 6311.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 14 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 1003 85 150 1 -0.5 0.9 | 141 15 -9.7 11.9 1 1000 112 85 4 -4.0 -0.3 | 129 17 -13.2 10.7 2 978 305 90 17 -17.0 0.0 | 113 28 -26.2 11.0 3 945 610 100 13 -12.8 2.3 | 121 26 -22.0 13.3 4 925 792 70 8 -7.5 -2.7 | 116 19 -16.8 8.3 5 912 914 60 7 -6.1 -3.5 | 116 17 -15.3 7.5 6 880 1219 10 5 -0.9 -4.9 | 121 12 -10.1 6.1 7 850 1519 350 8 1.4 -7.9 | 112 8 -7.9 3.1 8 819 1829 335 13 5.5 -11.8 | 78 4 -3.8 -0.8 9 790 2134 335 17 7.2 -15.4 | 25 5 -2.1 -4.4 10 761 2438 325 19 10.9 -15.6 | 340 5 1.7 -4.6 11 734 2743 330 12 6.0 -10.4 | 101 3 -3.2 0.6 12 708 3048 325 8 4.6 -6.6 | 134 6 -4.7 4.5 13 700 3141 325 8 4.6 -6.6 | 134 6 -4.7 4.5 14 682 3353 315 10 7.1 -7.1 | 151 5 -2.2 3.9 15 656 3658 285 16 15.5 -4.1 | 222 9 6.2 6.9 16 608 4267 275 28 27.9 -2.4 | 245 21 18.6 8.6 17 585 4572 265 29 28.9 2.5 | 235 24 19.6 13.5 18 502 5791 275 37 36.9 -3.2 | 254 29 27.6 7.8 19 500 5820 280 34 33.5 -5.9 | 258 25 24.2 5.1 20 482 6096 275 33 32.9 -2.9 | 251 25 23.6 8.1 21 426 7010 285 29 28.0 -7.5 | 259 19 18.8 3.5 22 400 7480 275 27 26.9 -2.4 | 244 20 17.7 8.7 23 392 7620 275 27 26.9 -2.4 | 244 20 17.7 8.7 24 360 8230 270 29 29.0 -0.0 | 241 23 19.8 11.0 25 330 8839 260 31 30.5 5.4 | 232 27 21.3 16.4 26 303 9449 270 32 32.0 -0.0 | 244 25 22.8 11.0 27 300 9510 260 39 38.4 6.8 | 239 34 29.2 17.8 28 276 10058 250 38 35.7 13.0 | 228 36 26.5 24.0 29 252 10668 265 45 44.8 3.9 | 247 39 35.6 14.9 30 250 10720 260 47 46.3 8.2 | 243 42 37.0 19.2 31 219 11582 255 44 42.5 11.4 | 236 40 33.3 22.4 32 200 12150 255 67 64.7 17.3 | 243 62 55.5 28.4 33 173 13070 265 79 78.7 6.9 | 256 72 69.5 17.9 34 164 13411 265 79 78.7 6.9 | 256 72 69.5 17.9 35 150 13970 255 65 62.8 16.8 | 243 60 53.5 27.8 36 142 14326 255 58 56.0 15.0 | 241 54 46.8 26.0 37 109 15917 270 62 62.0 -0.0 | 258 54 52.8 11.0 38 100 16430 270 60 60.0 -0.0 | 258 52 50.8 11.0 39 100 16459 265 57 56.8 5.0 | 251 50 47.5 16.0 40 95 16764 270 60 60.0 -0.0 | 258 52 50.8 11.0 41 85 17374 270 49 49.0 -0.0 | 255 41 39.8 11.0 42 77 17983 295 40 36.3 -16.9 | 282 28 27.0 -5.9 43 73 18288 295 40 36.3 -16.9 | 282 28 27.0 -5.9 44 70 18570 235 29 23.8 16.6 | 208 31 14.5 27.6 45 66 18898 235 29 23.8 16.6 | 208 31 14.5 27.6 46 58 19507 245 19 17.2 8.0 | 203 21 8.0 19.0 47 55 19812 290 21 19.7 -7.2 | 250 11 10.5 3.8 48 51 20117 280 29 28.6 -5.0 | 253 20 19.3 6.0 49 45 20726 285 20 19.3 -5.2 | 240 12 10.1 5.8 Wind Parameters Mean winds (0-6000m): 290.0 at 19.2 knts Storm direction: 320.0 at 14.4 knts Shear (0-3000m) pos: 0.0 neg: 1.5 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): -6.9 deg Storm rel helicity (0-3000m) pos: 32.5 neg: -75.3 tot: -42.8 m^2/s^2 ave: -14.3 10^-3 m/s^2 rel: -0.18 Storm rel vorticity (0-3000m) horiz: 10.5 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 131.38 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 92 13 118 25| 0.0 13.1 13.1| 23.0 -47.1 -24.1 -48.2 -0.31| 20.0 -6.2 1000 85 11 117 22| 0.0 3.3 3.3| 23.7 -58.7 -35.0 -35.0 -0.25| 16.4 -4.0 1500 69 9 113 19| 0.0 3.4 3.4| 26.3 -63.7 -37.4 -24.9 -0.23| 13.3 -3.1 2000 37 10 101 16| 0.0 4.5 4.5| 26.3 -71.0 -44.7 -22.4 -0.32| 12.0 -3.9 2500 9 12 87 11| 0.0 3.4 3.4| 27.6 -75.3 -47.7 -19.1 -0.31| 11.0 -3.5 3000 359 12 86 9| 0.0 1.5 1.5| 32.5 -75.3 -42.8 -14.3 -0.18| 10.5 -1.9 4000 333 12 89 3| 0.0 3.2 3.2| 56.4 -75.3 -18.9 -4.7 0.02| 10.5 0.2 5000 301 16 238 5| 0.4 3.0 3.4| 81.8 -96.0 -14.2 -2.8 0.02| 9.7 0.2 6000 290 19 243 10| 0.6 2.5 3.1|125.1-110.7 14.5 2.4 0.05| 9.1 0.5 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20250418.00.gif