UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:1200Z 7 DEC 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 1002 85 27.4 20.4 66 7.0 22.4 100 2 300.4 303.2 295.5 345.0 15.23 1 1000 107 26.6 19.6 65 7.0 21.7 100 4 299.8 302.4 294.8 342.1 14.50 2 997 134 25.6 18.6 65 7.0 20.8 103 4 299.0 301.5 294.0 338.8 13.65 3 975 330 23.8 18.8 74 5.0 20.4 113 5 299.1 301.7 294.4 340.3 14.14 4 954 522 28.0 16.0 48 12.0 19.8 59 5 305.2 307.5 294.6 341.3 12.07 5 941 644 28.6 10.6 33 18.0 17.1 41 4 307.0 308.6 292.5 333.0 8.55 6 925 796 27.8 8.8 30 19.0 15.9 65 2 307.7 309.2 292.0 331.2 7.70 7 850 1536 21.0 10.0 49 11.0 14.0 0 0 308.1 309.9 293.3 335.8 9.11 8 707 3094 7.4 2.4 71 5.0 4.6 272 10 309.8 311.0 291.6 329.7 6.45 9 700 3176 6.8 -0.2 61 7.0 3.1 270 8 310.0 311.0 290.8 326.8 5.39 10 664 3607 3.8 -4.2 56 8.0 -0.0 338 6 311.4 312.2 290.2 324.7 4.22 11 654 3730 5.2 -18.8 16 24.0 -3.3 357 5 314.3 314.5 288.3 318.7 1.32 12 552 5095 -2.3 -30.3 10 28.0 -9.6 174 4 321.0 321.1 289.7 323.0 0.56 13 500 5870 -9.1 -21.1 37 12.0 -12.8 260 6 321.9 322.2 290.8 326.8 1.42 14 483 6136 -11.5 -24.5 33 13.0 -15.0 260 7 322.2 322.4 290.6 326.0 1.09 15 457 6557 -14.3 -48.3 4 34.0 -19.0 263 14 323.8 323.8 290.0 324.2 0.10 16 440 6842 -16.3 -49.3 4 33.0 -20.5 269 15 324.8 324.8 290.3 325.2 0.10 17 405 7459 -21.3 -25.8 67 4.5 -22.4 268 19 326.1 326.4 291.7 330.2 1.15 18 402 7513 -21.5 -32.5 36 11.0 -23.5 263 20 326.6 326.7 291.4 328.8 0.62 19 400 7550 -21.5 -36.5 25 15.0 -24.0 260 20 327.0 327.1 291.3 328.6 0.42 20 396 7624 -20.9 -50.9 5 30.0 -24.2 265 21 328.8 328.8 291.5 329.1 0.09 21 382 7890 -22.5 -45.5 10 23.0 -25.4 239 21 330.1 330.1 291.9 330.7 0.17 22 364 8243 -25.1 -29.9 64 4.8 -26.1 220 22 331.2 331.4 292.9 334.4 0.88 23 347 8588 -27.9 -34.9 51 7.0 -29.0 221 24 332.0 332.1 292.8 334.1 0.57 24 341 8714 -28.5 -49.5 11 21.0 -30.5 224 26 332.8 332.8 292.6 333.3 0.12 25 333 8883 -30.1 -55.1 7 25.0 -32.0 228 27 332.9 332.9 292.6 333.1 0.07 26 311 9368 -32.9 -54.9 9 22.0 -34.4 231 32 335.5 335.5 293.3 335.8 0.07 27 300 9620 -35.3 -56.3 10 21.0 -36.6 245 35 335.6 335.6 293.3 335.9 0.06 28 250 10860 -46.1 -58.1 24 12.0 -46.6 250 34 337.5 337.5 293.7 337.8 0.06 29 233 11323 -50.1 -57.1 43 7.0 -50.3 247 30 338.3 338.3 294.0 338.6 0.07 30 219 11723 -53.5 -61.5 37 8.0 -53.7 245 30 339.1 339.1 294.1 339.3 0.04 31 215 11841 -54.1 -65.1 25 11.0 -54.3 245 31 340.0 340.0 294.3 340.1 0.03 32 200 12300 -57.7 -66.7 31 9.0 -57.8 245 37 341.4 341.4 294.7 341.5 0.02 33 185 12790 -60.7 -68.7 34 8.0 -60.8 239 51 344.2 344.2 295.3 344.3 0.02 34 178 13031 -59.3 -77.3 8 18.0 -59.5 236 59 350.3 350.3 296.7 350.4 0.01 35 153 13969 -64.8 -78.4 14 13.6 -64.9 255 78 356.5 356.5 298.0 356.5 0.01 36 150 14090 -65.5 -78.5 15 13.0 -65.6 250 71 357.2 357.2 298.1 357.3 0.01 37 130 14948 -69.9 -81.9 16 12.0 -69.9 245 57 364.3 364.3 299.5 364.3 0.00 38 100 16510 -68.7 -86.7 6 18.0 -68.8 235 40 395.0 395.0 304.5 395.0 0.00 39 85 17477 -72.7 -88.7 7 16.0 -72.8 250 25 405.7 405.7 306.0 405.7 0.00 40 75 18213 -73.1 -89.1 7 16.0 -73.2 222 24 419.6 419.6 307.7 419.6 0.00 41 70 18620 -71.9 -88.9 6 17.0 -72.0 190 18 430.6 430.6 308.9 430.6 0.00 42 50 20630 -66.9 -89.9 3 23.0 -67.1 345 10 485.8 485.8 313.9 485.8 0.00 43 39 22146 -63.1 -90.1 1 27.0 -63.6 285 11 531.2 531.2 317.0 531.2 0.00 44 38 22305 -63.7 -89.7 2 26.0 -64.2 262 11 533.7 533.7 317.2 533.7 0.00 45 31 23573 -57.7 -87.7 1 30.0 -58.9 102 16 581.9 581.9 319.8 581.9 0.01 46 30 23780 -57.9 -87.9 1 30.0 -59.0 110 19 586.8 586.8 320.0 586.8 0.01 47 26 24680 -58.3 -87.3 1 29.0 -59.6 105 14 610.2 610.2 321.0 610.2 0.01 48 20 26360 -50.3 -84.3 1 34.0 -53.7 80 24 682.2 682.2 323.9 682.3 0.02 49 18 27050 -48.7 -83.7 1 35.0 -52.9 80 21 708.1 708.1 324.7 708.3 0.02 50 17 27426 -48.7 -83.7 1 35.0 -53.0 71 22 719.8 719.8 325.1 720.0 0.02 TRP 85 17477 -72.7 -88.7 7 16.0 -72.8 250 25 405.7 405.7 306.0 405.7 0.00 WND 153 13969 -64.8 -78.4 14 13.6 -64.9 255 78 356.5 356.5 298.0 356.5 0.01 Sounding variables and indices 1000-500 mb thick: 5763.00 m Freezing level: 583.28 mb = 4676.24 m = 15341.80 ft Wetbulb zero: 664.44 mb = 3601.39 m = 11815.44 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 39.47 % Est. max temperature: 35.16 C = 95.29 F Sfc-Lift cond lev (LCL): 905.13 mb = 986.08 m = 3235.13 ft T: 26.05 C 700-500 lapse rate: 5.90 C/km ThetaE index: 17.09 C Layer 707.0- 552.0 mb Conv cond level (CCL): 737.79 mb = 2733.39 m = 8967.69 ft Mean mixing ratio: 10.91 g/kg Conv temperature: 36.50 C = 97.71 F Cap Strength: 4.41 C Lifted Index: -0.92 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.80 C Lifted Index @700 mb: 0.22 C Showalter Index: -0.54 C Risk: Thunderstorms probable Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.10 C Cross Totals Index: 19.10 C K Index: 33.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 130.00 Risk: None Energy Index: -1.72 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 198.19 J/kg Max Up Vert Vel: 19.91 m/s Conv Inhibition (B-): 274.13 J/kg Cap Strength: 4.41 C Lift Cond Lev (LCL): 795.55 mb = 2095.94 m = 6876.38 ft Lev Free Conv (LFC): 690.55 mb = 3286.93 m = 10783.77 ft Equ Level (EL): 660.55 mb = 3649.23 m = 11972.38 ft B at Equ Level: 53.80 J/kg Max Parcel Lev (MPL): 570.55 mb = 4828.71 m = 15842.04 ft Wind level data Storm motion: 313 at 4 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 1002 85 100 2 -2.0 0.3 | 123 6 -5.1 3.3 1 1000 107 100 4 -3.9 0.7 | 117 8 -7.1 3.6 2 978 305 120 5 -4.3 2.5 | 126 9 -7.5 5.4 3 945 610 35 5 -2.9 -4.1 | 79 6 -6.0 -1.2 4 925 796 65 2 -1.8 -0.8 | 113 5 -5.0 2.1 5 913 914 55 3 -2.5 -1.7 | 102 6 -5.6 1.2 6 851 1524 0 0 -0.0 -0.0 | 133 4 -3.1 2.9 7 850 1536 0 0 -0.0 -0.0 | 133 4 -3.1 2.9 8 792 2134 305 11 9.0 -6.3 | 300 7 5.9 -3.4 9 764 2438 280 14 13.8 -2.4 | 267 11 10.6 0.5 10 737 2743 280 16 15.8 -2.8 | 269 13 12.6 0.1 11 700 3176 270 8 8.0 -0.0 | 239 6 4.9 2.9 12 611 4267 85 2 -2.0 -0.2 | 118 6 -5.1 2.7 13 500 5870 260 6 5.9 1.0 | 215 5 2.8 4.0 14 485 6096 260 6 5.9 1.0 | 215 5 2.8 4.0 15 466 6401 260 13 12.8 2.3 | 242 11 9.7 5.2 16 413 7315 280 18 17.7 -3.1 | 271 15 14.6 -0.2 17 400 7550 260 20 19.7 3.5 | 249 18 16.6 6.4 18 396 7620 265 21 20.9 1.8 | 255 18 17.8 4.8 19 380 7925 235 21 17.2 12.0 | 223 21 14.1 15.0 20 364 8230 220 22 14.1 16.9 | 209 23 11.0 19.8 21 349 8534 220 24 15.4 18.4 | 210 25 12.3 21.3 22 321 9144 235 30 24.6 17.2 | 227 29 21.4 20.1 23 307 9449 230 33 25.3 21.2 | 223 33 22.1 24.1 24 300 9620 245 35 31.7 14.8 | 238 34 28.6 17.7 25 269 10363 255 38 36.7 9.8 | 249 36 33.6 12.8 26 250 10860 250 34 31.9 11.6 | 243 32 28.8 14.5 27 224 11582 245 28 25.4 11.8 | 236 27 22.2 14.8 28 200 12300 245 37 33.5 15.6 | 239 36 30.4 18.6 29 176 13106 235 61 50.0 35.0 | 231 60 46.8 37.9 30 153 13969 255 78 75.3 20.2 | 252 76 72.2 23.1 31 150 14090 250 71 66.7 24.3 | 247 69 63.6 27.2 32 144 14326 255 78 75.3 20.2 | 252 76 72.2 23.1 33 130 14935 245 57 51.7 24.1 | 241 56 48.5 27.0 34 124 15240 260 51 50.2 8.9 | 256 49 47.1 11.8 35 118 15545 265 48 47.8 4.2 | 261 45 44.7 7.1 36 112 15850 255 59 57.0 15.3 | 251 57 53.8 18.2 37 100 16510 235 40 32.8 22.9 | 229 39 29.6 25.9 38 96 16764 235 43 35.2 24.7 | 229 42 32.1 27.6 39 85 17477 250 25 23.5 8.6 | 241 23 20.3 11.5 40 78 17983 240 28 24.2 14.0 | 231 27 21.1 16.9 41 70 18620 190 18 3.1 17.7 | 180 21 -0.0 20.6 42 67 18898 190 20 3.5 19.7 | 181 23 0.3 22.6 43 60 19507 220 12 7.7 9.2 | 201 13 4.6 12.1 44 57 19812 190 12 2.1 11.8 | 176 15 -1.1 14.7 45 52 20422 230 1 0.8 0.6 | 146 4 -2.4 3.6 46 50 20630 345 10 2.6 -9.7 | 5 7 -0.6 -6.7 47 47 21031 345 10 2.6 -9.7 | 5 7 -0.6 -6.7 48 40 21946 315 10 7.1 -7.1 | 317 6 3.9 -4.2 49 37 22555 230 12 9.2 7.7 | 210 12 6.0 10.6 50 35 22860 135 12 -8.5 8.5 | 134 16 -11.6 11.4 51 33 23165 150 13 -6.5 11.3 | 146 17 -9.6 14.2 52 32 23470 100 16 -15.8 2.8 | 107 20 -18.9 5.7 53 30 23774 105 16 -15.5 4.1 | 111 20 -18.6 7.1 54 30 23780 110 19 -17.9 6.5 | 114 23 -21.0 9.4 55 29 24079 120 17 -14.7 8.5 | 123 21 -17.9 11.4 56 27 24384 90 15 -15.0 0.0 | 99 18 -18.1 2.9 57 26 24689 105 14 -13.5 3.6 | 111 18 -16.7 6.5 58 25 24994 90 19 -19.0 0.0 | 98 22 -22.1 2.9 59 24 25298 85 17 -16.9 -1.5 | 94 20 -20.1 1.4 60 23 25603 110 18 -16.9 6.2 | 114 22 -20.1 9.1 61 21 25908 80 21 -20.7 -3.6 | 88 24 -23.8 -0.7 62 20 26360 80 24 -23.6 -4.2 | 87 27 -26.8 -1.2 63 19 26518 90 19 -19.0 0.0 | 98 22 -22.1 2.9 64 16 27127 65 23 -20.8 -9.7 | 74 25 -24.0 -6.8 65 15 27432 85 19 -18.9 -1.7 | 93 22 -22.1 1.3 Wind Parameters Mean winds (0-6000m): 282.9 at 5.7 knts Storm direction: 312.9 at 4.3 knts Shear (0-3000m) pos: 0.0 neg: 2.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 126.0 deg Storm rel helicity (0-3000m) pos: 9.2 neg: -41.9 tot: -32.7 m^2/s^2 ave: -10.9 10^-3 m/s^2 rel: -0.44 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 13.79 Bulk Shear: 14.38 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 95 5 113 9| 0.0 4.4 4.4| 1.7 -13.2 -11.6 -23.1 -0.55| 10.3 -5.7 1000 75 4 105 7| 0.0 1.1 1.1| 6.4 -14.4 -8.0 -8.0 -0.22| 7.6 -1.6 1500 72 3 109 6| 0.0 0.8 0.8| 8.4 -14.9 -6.5 -4.3 -0.11| 6.0 -0.6 2000 22 4 85 5| 0.0 3.1 3.1| 8.4 -21.2 -12.8 -6.4 -0.37| 7.3 -2.7 2500 313 5 312 1| 0.0 3.5 3.5| 8.8 -33.4 -24.6 -9.8 -0.44| 7.5 -3.3 3000 295 7 270 3| 0.0 2.0 2.0| 9.2 -41.9 -32.7 -10.9 -0.44| 7.4 -3.3 4000 293 7 263 3| 1.6 1.5 3.1| 20.9 -43.3 -22.4 -5.6 -0.12| 7.7 -0.9 5000 285 6 241 3| 1.1 1.2 2.3| 32.0 -43.3 -11.3 -2.3 -0.02| 6.9 -0.1 6000 283 6 236 3| 0.3 1.0 1.3| 44.5 -43.3 1.1 0.2 0.08| 6.4 0.5 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20251207.12.gif