UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122300.upa.cvt Date: 0000Z 23 DEC 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:0000Z 23 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 ------------------------------------------------------------------------------- 0 1000 66 340 4 SFC 997 85 24.2 22.3 89 1.9 22.9 340 4 297.6 300.7 296.1 347.6 17.25 2 961 412 22.8 19.7 83 3.1 20.6 35 17 299.3 302.1 295.2 343.7 15.20 3 934 664 23.6 17.6 69 6.0 19.5 39 20 302.6 305.1 295.1 343.1 13.68 4 925 750 23.2 17.2 69 6.0 19.1 45 20 303.0 305.5 295.0 342.9 13.47 5 898 1008 22.2 14.2 60 8.0 16.9 48 20 304.6 306.7 294.0 338.6 11.41 6 850 1482 18.8 14.0 74 4.8 15.6 40 20 305.8 308.1 294.7 341.6 11.91 7 829 1697 17.0 14.0 82 3.0 15.0 23 18 306.1 308.4 295.0 342.8 12.21 8 817 1821 17.6 11.6 68 6.0 13.7 11 17 308.1 310.0 294.3 340.1 10.56 9 772 2305 15.4 7.4 59 8.0 10.5 3 5 310.7 312.3 293.4 336.6 8.40 10 700 3130 10.4 5.4 71 5.0 7.4 265 11 314.0 315.5 294.1 339.2 8.06 11 680 3372 9.8 3.8 66 6.0 6.3 285 14 315.9 317.4 294.1 339.3 7.41 12 534 5338 -2.7 -3.1 97 0.4 -2.9 305 40 323.6 324.7 294.8 342.3 5.71 13 526 5458 -2.5 -4.5 86 2.0 -3.5 305 41 325.2 326.3 294.9 342.4 5.22 14 500 5860 -4.3 -8.6 72 4.3 -6.3 305 43 327.8 328.6 294.6 341.2 4.00 15 470 6344 -7.5 -13.5 62 6.0 -9.9 302 42 329.7 330.3 294.2 339.5 2.87 16 450 6680 -10.3 -12.5 84 2.2 -11.2 299 40 330.3 330.9 294.7 341.4 3.25 17 434 6958 -11.3 -12.5 91 1.2 -11.8 296 39 332.5 333.1 295.3 344.1 3.38 18 400 7580 -14.3 -16.0 87 1.7 -14.9 310 39 336.4 337.0 295.7 346.1 2.75 19 389 7791 -15.9 -17.0 91 1.1 -16.3 313 38 337.0 337.5 295.8 346.2 2.60 20 369 8186 -17.9 -19.9 84 2.0 -18.6 319 37 339.5 339.9 296.0 347.2 2.14 21 300 9700 -28.7 -31.0 81 2.3 -29.2 330 35 344.9 345.1 296.3 348.6 0.96 22 258 10763 -37.1 -40.2 73 3.1 -37.5 326 37 347.8 347.9 296.5 349.5 0.45 23 250 10980 -38.7 -43.7 59 5.0 -39.2 325 41 348.5 348.6 296.6 349.8 0.32 24 238 11315 -41.3 -45.5 64 4.2 -41.6 317 42 349.5 349.6 296.8 350.7 0.27 25 221 11812 -44.9 -53.9 36 9.0 -45.4 306 44 351.5 351.5 297.1 352.0 0.11 26 213 12057 -46.5 -52.5 50 6.0 -46.8 300 45 352.7 352.8 297.3 353.3 0.14 27 211 12119 -47.1 -60.1 21 13.0 -47.6 298 45 352.7 352.8 297.3 353.0 0.06 28 200 12470 -50.3 -63.3 20 13.0 -50.7 290 46 353.1 353.1 297.3 353.3 0.04 29 199 12503 -50.5 -63.5 20 13.0 -50.9 290 46 353.3 353.3 297.4 353.5 0.04 30 185 12975 -54.9 -65.9 24 11.0 -55.1 284 52 353.6 353.6 297.4 353.8 0.03 31 177 13258 -56.7 -77.7 5 21.0 -56.9 280 56 355.2 355.2 297.7 355.2 0.01 32 167 13625 -59.6 -78.1 7 18.5 -59.7 275 61 356.3 356.3 298.0 356.3 0.01 33 150 14290 -64.9 -78.9 13 14.0 -65.0 285 56 358.3 358.3 298.4 358.3 0.01 34 137 14838 -67.7 -82.7 10 15.0 -67.8 285 54 362.7 362.7 299.2 362.8 0.00 35 132 15061 -66.5 -84.5 6 18.0 -66.6 285 44 368.8 368.8 300.4 368.8 0.00 36 101 16643 -75.5 -90.5 8 15.0 -75.5 297 30 380.8 380.8 302.3 380.8 0.00 37 100 16700 -75.9 -90.9 8 15.0 -75.9 295 31 381.1 381.1 302.4 381.1 0.00 38 83 17760 -82.5 -90.5 24 8.0 -82.5 315 30 388.5 388.5 303.6 388.5 0.00 39 70 18720 -79.7 -89.7 18 10.0 -79.7 340 12 413.9 413.9 307.0 413.9 0.00 40 67 18970 -77.1 -88.1 16 11.0 -77.1 356 13 424.7 424.7 308.3 424.7 0.00 TRP WND 167 13625 -59.6 -78.1 7 18.5 -59.7 275 61 356.3 356.3 298.0 356.3 0.01 Sounding variables and indices 1000-500 mb thick: 5794.00 m Freezing level: 565.54 mb = 4913.30 m = 16119.55 ft Wetbulb zero: 580.18 mb = 4663.18 m = 15298.96 ft Precipitable water: 2.07 inches Sfc-500 mean rel hum: 74.91 % Est. max temperature: 32.47 C = 90.45 F Sfc-Lift cond lev (LCL): 970.12 mb = 327.64 m = 1074.92 ft T: 23.16 C 700-500 lapse rate: 5.38 C/km ThetaE index: 8.98 C Layer 961.0- 850.0 mb Conv cond level (CCL): 771.86 mb = 2306.57 m = 7567.38 ft Mean mixing ratio: 14.39 g/kg Conv temperature: 37.31 C = 99.15 F Cap Strength: 3.70 C Lifted Index: 1.07 C Risk: Showers probable Lifted Index @300 mb: 3.33 C Lifted Index @700 mb: 1.68 C Showalter Index: 1.83 C Risk: Showers probable Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 18.30 C K Index: 32.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 251.00 Risk: None Energy Index: -0.07 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.23 J/kg Max Up Vert Vel: 7.78 m/s Conv Inhibition (B-): 298.68 J/kg Cap Strength: 3.70 C Lift Cond Lev (LCL): 884.40 mb = 1139.44 m = 3738.26 ft Lev Free Conv (LFC): 539.40 mb = 5256.15 m = 17244.38 ft Equ Level (EL): 529.40 mb = 5406.82 m = 17738.68 ft B at Equ Level: 29.05 J/kg Max Parcel Lev (MPL): 469.40 mb = 6353.81 m = 20845.57 ft Wind level data Storm motion: 346 at 18 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 ---------------------------------------------------------- 0 997 85 340 4 1.4 -3.8 | 168 14 -2.9 13.3 1 973 305 35 15 -8.6 -12.3 | 110 14 -12.9 4.7 2 940 610 35 20 -11.5 -16.4 | 92 16 -15.7 0.6 3 925 750 45 20 -14.1 -14.1 | 99 19 -18.4 2.9 4 908 914 50 20 -15.3 -12.9 | 102 20 -19.6 4.2 5 850 1482 40 20 -12.9 -15.3 | 96 17 -17.1 1.7 6 846 1524 40 20 -12.9 -15.3 | 96 17 -17.1 1.7 7 816 1829 10 17 -3.0 -16.7 | 92 7 -7.2 0.3 8 787 2134 25 6 -2.5 -5.4 | 150 13 -6.8 11.6 9 759 2438 345 4 1.0 -3.9 | 166 14 -3.2 13.2 10 707 3048 310 12 9.2 -7.7 | 208 11 4.9 9.3 11 700 3130 265 11 11.0 1.0 | 200 19 6.7 18.0 12 681 3353 285 14 13.5 -3.6 | 215 16 9.3 13.4 13 608 4267 285 34 32.8 -8.8 | 254 30 28.6 8.2 14 586 4572 285 37 35.7 -9.6 | 257 32 31.5 7.5 15 564 4877 305 38 31.1 -21.8 | 280 27 26.9 -4.8 16 500 5860 305 43 35.2 -24.7 | 284 32 31.0 -7.6 17 485 6096 305 43 35.2 -24.7 | 284 32 31.0 -7.6 18 431 7010 295 39 35.3 -16.5 | 269 31 31.1 0.5 19 400 7580 310 39 29.9 -25.1 | 287 27 25.6 -8.0 20 366 8230 320 37 23.8 -28.3 | 300 23 19.5 -11.3 21 300 9700 330 35 17.5 -30.3 | 315 19 13.2 -13.3 22 298 9754 330 33 16.5 -28.6 | 313 17 12.2 -11.5 23 250 10973 325 38 21.8 -31.1 | 309 22 17.5 -14.1 24 250 10980 325 41 23.5 -33.6 | 311 25 19.3 -16.6 25 200 12470 290 46 43.2 -15.7 | 268 39 39.0 1.3 26 167 13625 275 61 60.8 -5.3 | 258 58 56.5 11.7 27 165 13716 275 61 60.8 -5.3 | 258 58 56.5 11.7 28 150 14290 285 56 54.1 -14.5 | 267 50 49.8 2.5 29 135 14935 285 54 52.2 -14.0 | 266 48 47.9 3.1 30 128 15240 285 28 27.0 -7.2 | 247 25 22.8 9.8 31 110 16154 310 18 13.8 -11.6 | 240 11 9.5 5.5 32 100 16700 295 31 28.1 -13.1 | 261 24 23.8 3.9 33 94 17069 295 31 28.1 -13.1 | 261 24 23.8 3.9 34 76 18288 330 29 14.5 -25.1 | 308 13 10.2 -8.1 35 72 18593 300 15 13.0 -7.5 | 222 13 8.7 9.5 36 70 18720 340 12 4.1 -11.3 | 178 6 -0.2 5.8 37 64 19202 15 14 -3.6 -13.5 | 114 9 -7.9 3.5 Wind Parameters Mean winds (0-6000m): 315.9 at 23.4 knts Storm direction: 345.9 at 17.6 knts Shear (0-3000m) pos: 3.2 neg: 4.7 tot: 7.9 10-3/s Storm rel Dir Shear (0-3000m): 39.0 deg Storm rel helicity (0-3000m) pos: 71.5 neg: -61.1 tot: 10.4 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 0.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.39 Bulk Shear: 77.15 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 32 14 114 13| 18.1 0.0 18.1| 0.0 -47.3 -47.3 -94.6 -0.82| 19.3-15.9 1000 40 17 105 16| 9.7 0.0 9.7| 11.7 -49.6 -37.9 -37.9 -0.55| 12.6 -6.9 1500 41 18 102 16| 6.4 1.5 8.0| 11.7 -59.0 -47.3 -31.5 -0.53| 10.0 -5.3 2000 36 17 102 15| 4.8 3.4 8.3| 32.6 -61.1 -28.5 -14.2 -0.16| 11.7 -1.9 2500 34 15 111 13| 3.9 3.9 7.7| 53.1 -61.1 -8.0 -3.2 -0.03| 10.8 -0.3 3000 27 14 114 11| 3.2 4.7 7.9| 71.5 -61.1 10.4 3.5 0.08| 10.9 0.9 4000 355 15 122 3| 2.4 5.7 8.1|152.2 -64.9 87.3 21.8 0.23| 11.3 2.5 5000 324 20 260 7| 2.9 4.5 7.4|278.8 -64.9 213.8 42.8 0.33| 11.1 3.7 6000 316 23 269 12| 2.4 4.0 6.4|290.8 -64.9 225.8 37.6 0.33| 9.6 3.2 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20251223.00.gif