UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:1200Z 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 1005 85 18.2 18.2 100 0.0 18.2 70 1 290.9 293.3 291.2 328.1 13.19 1 1000 132 17.6 17.6 100 0.0 17.6 70 1 290.8 293.0 290.7 326.7 12.76 2 978 323 16.6 16.6 100 0.0 16.6 78 5 291.6 293.8 290.6 326.2 12.24 3 971 384 19.0 16.4 85 2.6 17.3 57 6 294.6 296.8 291.6 329.5 12.17 4 929 767 22.4 13.4 57 9.0 16.5 287 5 301.8 303.8 292.4 332.7 10.45 5 925 805 22.2 13.2 57 9.0 16.4 275 4 302.0 303.9 292.4 332.7 10.36 6 850 1533 16.0 11.7 76 4.3 13.3 285 6 302.9 304.8 292.6 333.2 10.21 7 780 2257 9.6 9.2 97 0.4 9.3 275 8 303.6 305.3 292.2 331.6 9.41 8 722 2894 4.8 1.8 81 3.0 3.2 261 11 305.1 306.2 289.8 323.4 6.04 9 702 3124 4.2 -3.8 56 8.0 0.4 280 11 306.9 307.7 288.6 319.6 4.11 10 700 3147 4.2 -4.8 52 9.0 0.0 285 11 307.1 307.9 288.4 319.0 3.82 11 692 3240 4.6 -12.4 28 17.0 -2.1 285 10 308.6 309.0 287.2 315.4 2.13 12 686 3311 4.6 -16.4 20 21.0 -3.0 285 9 309.4 309.7 286.9 314.4 1.55 13 638 3899 2.6 -25.4 11 28.0 -5.7 284 14 313.6 313.7 287.5 316.2 0.76 14 584 4607 -2.1 -25.1 15 23.0 -8.7 285 26 316.1 316.3 288.4 319.1 0.85 15 576 4717 -1.7 -27.7 12 26.0 -8.8 281 29 317.8 318.0 288.8 320.2 0.68 16 500 5820 -12.3 -27.3 27 15.0 -15.9 275 33 318.0 318.2 289.0 320.9 0.81 17 486 6036 -14.3 -28.3 29 14.0 -17.5 275 35 318.2 318.3 289.0 320.8 0.76 18 472 6258 -14.7 -41.7 8 27.0 -18.9 267 38 320.4 320.4 289.1 321.1 0.21 19 425 7044 -20.1 -50.1 5 30.0 -23.4 270 41 323.2 323.2 289.8 323.6 0.09 20 420 7131 -20.7 -49.7 6 29.0 -23.9 272 42 323.5 323.6 289.9 323.9 0.10 21 400 7490 -23.7 -47.7 9 24.0 -26.3 275 42 324.2 324.2 290.2 324.7 0.13 22 300 9520 -40.3 -54.3 21 14.0 -41.0 265 51 328.6 328.6 291.4 328.9 0.08 23 295 9635 -41.3 -55.3 21 14.0 -41.9 265 52 328.7 328.7 291.5 329.0 0.07 24 276 10084 -44.5 -59.5 17 15.0 -45.0 263 55 330.4 330.4 291.9 330.6 0.05 25 261 10457 -47.5 -50.7 70 3.2 -47.6 261 58 331.3 331.4 292.2 331.9 0.14 26 250 10740 -49.9 -53.2 68 3.3 -50.0 260 60 331.9 331.9 292.3 332.3 0.11 27 247 10819 -50.7 -53.5 72 2.8 -50.8 261 60 331.8 331.9 292.3 332.3 0.11 28 229 11307 -54.3 -61.3 42 7.0 -54.5 270 63 333.6 333.6 292.7 333.8 0.04 29 224 11448 -55.3 -60.3 54 5.0 -55.4 267 66 334.2 334.2 292.9 334.4 0.05 30 218 11622 -54.3 -73.3 8 19.0 -54.6 264 69 338.3 338.3 293.9 338.4 0.01 31 200 12170 -57.0 -71.5 14 14.5 -57.2 255 78 342.5 342.5 294.9 342.6 0.01 32 198 12233 -57.3 -71.3 15 14.0 -57.5 255 78 343.0 343.0 295.1 343.1 0.01 33 173 13081 -57.7 -81.7 3 24.0 -57.9 257 73 355.8 355.8 297.9 355.9 0.00 34 150 13970 -61.3 -83.3 4 22.0 -61.4 260 65 364.5 364.5 299.5 364.5 0.00 35 106 16083 -70.7 -87.7 6 17.0 -70.8 270 58 384.7 384.7 303.0 384.7 0.00 36 101 16371 -70.5 -87.5 6 17.0 -70.6 269 63 390.4 390.4 303.9 390.4 0.00 37 100 16430 -70.5 -87.5 6 17.0 -70.6 270 65 391.5 391.5 304.0 391.5 0.00 38 94 16796 -71.1 -88.1 6 17.0 -71.2 269 66 397.3 397.3 304.8 397.3 0.00 39 77 17980 -69.5 -89.5 4 20.0 -69.6 260 49 424.0 424.0 308.2 424.0 0.00 40 75 18139 -64.9 -89.9 2 25.0 -65.1 255 50 436.8 436.8 309.6 436.8 0.00 41 70 18560 -63.9 -88.9 2 25.0 -64.1 240 25 447.7 447.7 310.6 447.7 0.00 42 68 18738 -63.5 -89.5 2 26.0 -63.8 240 28 452.3 452.3 311.1 452.3 0.00 43 63 19204 -66.1 -89.1 3 23.0 -66.3 285 19 456.5 456.5 311.4 456.5 0.00 44 59 19607 -61.1 -89.1 1 28.0 -61.5 262 23 476.4 476.4 313.2 476.4 0.00 45 51 20508 -63.1 -89.1 2 26.0 -63.5 318 13 492.0 492.0 314.4 492.0 0.00 46 50 20630 -62.9 -88.9 2 26.0 -63.3 280 16 495.3 495.3 314.6 495.3 0.00 47 44 21422 -60.1 -88.1 1 28.0 -60.7 295 22 520.5 520.5 316.4 520.6 0.00 48 43 21566 -60.9 -88.9 1 28.0 -61.5 288 22 522.0 522.0 316.4 522.0 0.00 49 35 22870 -52.7 -85.7 1 33.0 -54.5 290 10 575.1 575.1 319.4 575.1 0.01 50 32 23446 -54.9 -85.9 1 31.0 -56.4 293 10 584.1 584.1 319.9 584.1 0.01 51 30 23860 -53.3 -85.3 1 32.0 -55.2 180 5 599.3 599.3 320.6 599.4 0.01 52 20 26480 -49.5 -84.5 1 35.0 -53.1 295 3 684.7 684.7 323.9 684.8 0.02 53 15 28374 -47.3 -83.3 1 36.0 -52.5 20 11 750.7 750.7 326.0 750.9 0.03 TRP 106 16083 -70.7 -87.7 6 17.0 -70.8 270 58 384.7 384.7 303.0 384.7 0.00 WND 200 12170 -57.0 -71.5 14 14.5 -57.2 255 78 342.5 342.5 294.9 342.6 0.01 Sounding variables and indices 1000-500 mb thick: 5688.00 m Freezing level: 608.13 mb = 4290.99 m = 14077.89 ft Wetbulb zero: 699.93 mb = 3147.87 m = 10327.53 ft Precipitable water: 1.27 inches Sfc-500 mean rel hum: 49.60 % Est. max temperature: 30.13 C = 86.24 F Sfc-Lift cond lev (LCL): 1005.27 mb = 85.00 m = 278.87 ft T: 18.20 C 700-500 lapse rate: 6.17 C/km ThetaE index: 18.83 C Layer 780.0- 638.0 mb Conv cond level (CCL): 813.91 mb = 1898.32 m = 6228.02 ft Mean mixing ratio: 11.46 g/kg Conv temperature: 30.55 C = 86.99 F Cap Strength: 5.25 C Lifted Index: -1.19 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.12 C Lifted Index @700 mb: -0.21 C Showalter Index: -2.59 C Risk: Severe thunderstorms possible Total Totals Index: 52.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 24.00 C K Index: 31.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 251.40 Risk: None Energy Index: -2.43 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 161.11 J/kg Max Up Vert Vel: 17.95 m/s Conv Inhibition (B-): 193.85 J/kg Cap Strength: 5.25 C Lift Cond Lev (LCL): 890.68 mb = 1130.47 m = 3708.85 ft Lev Free Conv (LFC): 745.68 mb = 2627.84 m = 8621.41 ft Equ Level (EL): 695.68 mb = 3197.27 m = 10489.61 ft B at Equ Level: 64.54 J/kg Max Parcel Lev (MPL): 605.68 mb = 4315.47 m = 14158.19 ft Wind level data Storm motion: 310 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 1005 85 70 1 -0.9 -0.3 | 125 12 -9.9 7.1 1 1000 132 70 1 -0.9 -0.3 | 125 12 -9.9 7.1 2 980 305 85 5 -5.0 -0.4 | 117 16 -13.9 7.0 3 946 610 340 8 2.7 -7.5 | 89 6 -6.2 -0.1 4 925 805 275 4 4.0 -0.3 | 145 9 -5.0 7.0 5 913 914 300 3 2.6 -1.5 | 133 9 -6.4 5.9 6 850 1533 285 6 5.8 -1.6 | 152 7 -3.2 5.8 7 791 2134 290 7 6.6 -2.4 | 155 6 -2.4 5.0 8 762 2438 250 9 8.5 3.1 | 177 10 -0.5 10.5 9 708 3048 265 12 12.0 1.0 | 200 9 3.0 8.4 10 700 3147 285 11 10.6 -2.8 | 200 5 1.7 4.6 11 682 3353 285 8 7.7 -2.1 | 167 5 -1.2 5.3 12 656 3658 310 12 9.2 -7.7 | 324 0 0.2 -0.3 13 632 3962 275 15 14.9 -1.3 | 224 9 6.0 6.1 14 608 4267 295 17 15.4 -7.2 | 268 6 6.4 0.2 15 563 4877 275 34 33.9 -3.0 | 260 25 24.9 4.4 16 500 5820 275 33 32.9 -2.9 | 259 24 23.9 4.5 17 482 6096 275 35 34.9 -3.1 | 260 26 25.9 4.3 18 463 6401 260 40 39.4 6.9 | 245 34 30.4 14.3 19 409 7315 275 42 41.8 -3.7 | 264 33 32.9 3.7 20 400 7490 275 42 41.8 -3.7 | 264 33 32.9 3.7 21 360 8230 270 47 47.0 -0.0 | 259 39 38.0 7.4 22 303 9449 265 48 47.8 4.2 | 253 41 38.9 11.6 23 300 9520 265 51 50.8 4.4 | 254 43 41.8 11.8 24 250 10740 260 60 59.1 10.4 | 250 53 50.1 17.8 25 230 11278 270 63 63.0 -0.0 | 262 55 54.0 7.4 26 200 12170 255 78 75.3 20.2 | 247 72 66.4 27.6 27 190 12497 255 78 75.3 20.2 | 247 72 66.4 27.6 28 150 13970 260 65 64.0 11.3 | 251 58 55.1 18.7 29 135 14630 265 67 66.7 5.8 | 257 59 57.8 13.2 30 116 15545 255 61 58.9 15.8 | 245 55 50.0 23.2 31 106 16083 270 58 58.0 -0.0 | 261 50 49.0 7.4 32 105 16154 265 55 54.8 4.8 | 255 47 45.8 12.2 33 100 16430 270 65 65.0 -0.0 | 262 57 56.0 7.4 34 95 16764 270 65 65.0 -0.0 | 262 57 56.0 7.4 35 90 17069 260 73 71.9 12.7 | 252 66 62.9 20.1 36 85 17374 250 59 55.4 20.2 | 239 54 46.5 27.6 37 77 17983 260 49 48.3 8.5 | 248 42 39.3 15.9 38 73 18288 250 51 47.9 17.4 | 237 46 39.0 24.8 39 70 18560 240 25 21.7 12.5 | 213 24 12.7 19.9 40 66 18898 240 31 26.8 15.5 | 218 29 17.9 22.9 41 63 19202 285 19 18.4 -4.9 | 255 10 9.4 2.5 42 60 19507 265 25 24.9 2.2 | 239 19 15.9 9.6 43 57 19812 255 19 18.4 4.9 | 217 15 9.4 12.3 44 54 20117 230 2 1.5 1.3 | 139 11 -7.4 8.7 45 52 20422 345 11 2.8 -10.6 | 62 7 -6.1 -3.2 46 50 20630 280 16 15.8 -2.8 | 236 8 6.8 4.6 47 49 20726 290 15 14.1 -5.1 | 246 6 5.1 2.3 48 47 21031 275 19 18.9 -1.7 | 240 12 10.0 5.7 49 45 21336 300 22 19.1 -11.0 | 290 11 10.1 -3.6 50 43 21641 285 22 21.3 -5.7 | 262 12 12.3 1.7 51 41 21946 260 18 17.7 3.1 | 220 14 8.8 10.5 52 39 22250 240 15 13.0 7.5 | 195 15 4.0 14.9 53 37 22555 250 14 13.2 4.8 | 199 13 4.2 12.2 54 35 22860 290 10 9.4 -3.4 | 186 4 0.4 4.0 55 30 23774 295 10 9.1 -4.2 | 182 3 0.1 3.2 56 30 23860 180 5 0.0 5.0 | 144 15 -9.0 12.4 57 28 24384 0 0 -0.0 -0.0 | 130 12 -9.0 7.4 58 22 25908 325 11 6.3 -9.0 | 59 3 -2.7 -1.6 59 20 26480 295 3 2.7 -1.3 | 134 9 -6.2 6.1 60 15 27432 20 11 -3.8 -10.3 | 77 13 -12.7 -2.9 61 14 27737 335 11 4.6 -10.0 | 59 5 -4.3 -2.6 62 10 28651 15 10 -2.6 -9.7 | 79 12 -11.5 -2.3 Wind Parameters Mean winds (0-6000m): 279.5 at 15.5 knts Storm direction: 309.5 at 11.6 knts Shear (0-3000m) pos: 0.8 neg: 1.8 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 75.6 deg Storm rel helicity (0-3000m) pos: 29.5 neg: -32.0 tot: -2.5 m^2/s^2 ave: -0.8 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 1.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.60 Bulk Shear: 44.73 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 41 5 108 13| 0.0 7.9 7.9| 0.0 -28.7 -28.7 -57.3 -0.58| 14.9 -8.6 1000 346 5 110 8| 0.0 2.4 2.4| 10.5 -32.0 -21.5 -21.5 -0.13| 12.7 -1.7 1500 316 5 125 7| 0.0 2.4 2.4| 14.2 -32.0 -17.8 -11.8 -0.05| 9.3 -0.5 2000 304 5 134 6| 0.2 1.8 2.0| 14.6 -32.0 -17.3 -8.7 -0.04| 7.2 -0.3 2500 290 6 147 6| 0.2 2.1 2.3| 21.8 -32.0 -10.1 -4.1 0.07| 7.1 0.5 3000 280 7 159 7| 0.8 1.8 2.6| 29.5 -32.0 -2.5 -0.8 0.14| 6.7 1.0 4000 284 8 168 6| 1.2 2.2 3.4| 34.0 -38.2 -4.2 -1.0 0.08| 7.6 0.6 5000 283 12 206 5| 1.7 2.7 4.4| 40.9 -54.8 -13.9 -2.8 0.06| 8.4 0.5 6000 280 15 233 8| 1.4 2.4 3.7| 44.2 -56.1 -11.9 -2.0 0.06| 7.2 0.5 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20250418.12.gif