UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 9 DEC 25 Station: SBSN WMO ident: 82244 Latitude: -2.42 Longitude: -54.79 Elevation: 60.00 ------------------------------------------------------------------------------- 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 1006 60 30.6 25.9 76 4.7 27.0 110 6 303.2 307.2 300.0 366.9 21.35 1 925 797 21.0 18.9 88 2.1 19.5 75 20 300.8 303.5 295.5 344.9 15.02 2 923 816 21.0 18.9 88 2.1 19.5 74 21 301.0 303.7 295.6 345.2 15.06 3 909 949 21.2 14.2 64 7.0 16.6 70 25 302.5 304.6 293.3 335.9 11.27 4 896 1074 21.0 10.0 49 11.0 14.1 69 23 303.5 305.1 291.5 329.3 8.63 5 877 1260 19.2 16.6 85 2.6 17.4 67 22 303.5 306.1 295.3 344.1 13.68 6 850 1529 18.2 15.1 82 3.1 16.1 70 19 305.2 307.6 295.1 343.5 12.80 7 792 2134 16.6 6.6 52 10.0 10.6 90 12 309.7 311.2 292.7 333.5 7.74 8 700 3174 9.8 3.8 66 6.0 6.3 330 3 313.3 314.7 293.3 335.8 7.20 9 575 4780 0.2 -3.1 78 3.3 -1.5 314 9 320.2 321.3 293.7 337.4 5.30 10 557 5035 -1.3 -6.3 69 5.0 -3.7 331 9 321.4 322.2 293.2 335.4 4.29 11 500 5890 -5.3 -13.3 53 8.0 -8.5 30 8 326.6 327.1 293.3 335.9 2.74 12 496 5953 -5.3 -19.3 32 14.0 -10.2 25 8 327.3 327.7 292.6 333.2 1.67 13 488 6081 -6.3 -16.3 45 10.0 -10.0 16 9 327.6 328.1 293.1 335.2 2.19 14 484 6145 -6.5 -21.5 29 15.0 -11.4 13 9 328.2 328.4 292.6 333.1 1.42 15 472 6341 -6.9 -16.9 45 10.0 -10.6 6 8 330.0 330.5 293.7 337.5 2.16 16 429 7079 -12.7 -15.3 81 2.6 -13.7 336 4 331.8 332.3 294.6 341.2 2.71 17 407 7479 -15.3 -17.7 82 2.4 -16.2 320 3 333.4 333.9 294.7 341.7 2.34 18 400 7610 -15.7 -19.8 71 4.1 -17.0 315 2 334.6 335.0 294.7 341.6 1.99 19 367 8255 -20.5 -23.7 75 3.2 -21.4 90 4 336.5 336.8 294.8 342.1 1.54 20 343 8754 -23.5 -32.5 43 9.0 -25.3 98 14 339.0 339.2 294.7 341.8 0.73 21 300 9720 -31.5 -35.0 71 3.5 -32.0 115 22 341.0 341.1 295.1 343.5 0.65 22 265 10583 -38.7 -41.1 78 2.4 -38.9 135 21 342.8 342.9 295.4 344.3 0.40 23 250 10980 -42.1 -45.9 66 3.8 -42.4 135 23 343.5 343.5 295.4 344.5 0.25 24 241 11227 -43.5 -56.5 22 13.0 -44.1 135 25 345.0 345.0 295.6 345.3 0.08 25 226 11654 -47.5 -54.5 44 7.0 -47.8 135 30 345.3 345.3 295.7 345.7 0.10 26 202 12386 -52.3 -71.3 8 19.0 -52.7 139 36 349.0 349.0 296.4 349.0 0.01 27 200 12450 -52.9 -69.9 11 17.0 -53.2 140 36 349.0 349.0 296.4 349.1 0.02 28 182 13053 -56.7 -74.7 9 18.0 -56.9 144 47 352.4 352.4 297.1 352.4 0.01 29 166 13633 -59.3 -78.3 7 19.0 -59.5 124 24 357.4 357.4 298.2 357.4 0.01 30 150 14260 -64.5 -79.5 11 15.0 -64.6 200 5 359.0 359.0 298.5 359.0 0.00 31 146 14425 -66.1 -79.1 15 13.0 -66.2 158 8 359.0 359.0 298.5 359.0 0.01 32 108 16187 -81.1 -84.6 55 3.5 -81.1 266 43 363.0 363.0 299.2 363.0 0.00 33 101 16564 -81.3 -86.3 42 5.0 -81.3 259 39 369.6 369.6 300.5 369.6 0.00 34 100 16620 -81.5 -86.5 42 5.0 -81.5 250 40 370.3 370.3 300.6 370.3 0.00 35 87 17395 -84.9 -88.8 50 3.9 -84.9 255 11 378.5 378.5 302.0 378.5 0.00 36 71 18520 -83.1 -90.1 29 7.0 -83.1 170 14 405.0 405.0 305.9 405.0 0.00 37 70 18600 -80.3 -89.3 21 9.0 -80.3 105 13 412.6 412.6 306.8 412.6 0.00 38 69 18682 -79.5 -88.5 21 9.0 -79.5 99 13 416.0 416.0 307.2 416.0 0.00 39 67 18848 -80.9 -88.9 25 8.0 -80.9 88 13 416.5 416.5 307.3 416.5 0.00 40 51 20432 -69.3 -90.3 3 21.0 -69.5 81 29 477.5 477.5 313.2 477.5 0.00 41 50 20550 -69.5 -89.5 4 20.0 -69.6 90 42 479.7 479.7 313.4 479.7 0.00 42 46 21044 -71.9 -89.9 5 18.0 -72.1 90 43 485.5 485.5 313.9 485.5 0.00 43 38 22193 -63.7 -89.7 2 26.0 -64.2 85 47 533.7 533.7 317.2 533.7 0.00 44 35 22696 -65.3 -90.3 2 25.0 -65.7 100 47 542.2 542.2 317.6 542.2 0.00 45 30 23640 -62.7 -89.7 1 27.0 -63.4 100 64 573.7 573.7 319.3 573.7 0.00 46 26 24533 -60.2 -88.3 1 28.1 -61.2 90 73 604.7 604.7 320.8 604.8 0.01 47 23 25306 -58.1 -87.1 1 29.0 -59.5 90 70 632.5 632.5 322.0 632.6 0.01 48 20 26210 -48.5 -83.5 1 35.0 -52.4 90 63 687.7 687.7 324.0 687.9 0.02 49 18 26908 -45.7 -81.7 1 36.0 -51.0 87 58 717.6 717.6 325.0 717.8 0.03 TRP 87 17395 -84.9 -88.8 50 3.9 -84.9 255 11 378.5 378.5 302.0 378.5 0.00 WND 26 24533 -60.2 -88.3 1 28.1 -61.2 90 73 604.7 604.7 320.8 604.8 0.01 Sounding variables and indices 1000-500 mb thick: 5777.48 m Freezing level: 572.60 mb = 4814.39 m = 15795.05 ft Wetbulb zero: 599.03 mb = 4446.12 m = 14586.83 ft Precipitable water: 2.02 inches Sfc-500 mean rel hum: 69.02 % Est. max temperature: 32.21 C = 89.97 F Sfc-Lift cond lev (LCL): 940.56 mb = 650.56 m = 2134.36 ft T: 22.91 C 700-500 lapse rate: 5.56 C/km ThetaE index: 21.99 C Layer 925.0- 923.0 mb Conv cond level (CCL): 925.00 mb = 797.00 m = 2614.80 ft Mean mixing ratio: 17.16 g/kg Conv temperature: 28.17 C = 82.70 F Cap Strength: 0.77 C Lifted Index: -3.27 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.57 C Lifted Index @700 mb: -1.53 C Showalter Index: 0.07 C Risk: Thunderstorms probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 20.40 C K Index: 32.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 227.20 Risk: None Energy Index: -1.50 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1345.77 J/kg Max Up Vert Vel: 51.88 m/s Conv Inhibition (B-): 5.44 J/kg Cap Strength: 1.27 C Lift Cond Lev (LCL): 910.08 mb = 938.34 m = 3078.52 ft Lev Free Conv (LFC): 875.08 mb = 1278.39 m = 4194.13 ft Equ Level (EL): 835.08 mb = 1680.46 m = 5513.27 ft B at Equ Level: 3.78 J/kg Max Parcel Lev (MPL): 805.08 mb = 1993.40 m = 6539.93 ft Wind level data Storm motion: 83 at 8 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 1006 60 110 6 -5.6 2.1 | 221 4 2.7 3.1 1 1000 114 110 6 -5.6 2.1 | 221 4 2.7 3.1 2 978 305 85 16 -15.9 -1.4 | 88 8 -7.6 -0.3 3 945 610 75 18 -17.4 -4.7 | 68 10 -9.0 -3.6 4 925 797 75 20 -19.3 -5.2 | 70 12 -11.0 -4.1 5 913 914 70 25 -23.5 -8.6 | 64 17 -15.1 -7.5 6 850 1524 65 19 -17.2 -8.0 | 52 11 -8.9 -6.9 7 850 1529 70 19 -17.9 -6.5 | 60 11 -9.5 -5.4 8 820 1829 95 16 -15.9 1.4 | 108 8 -7.6 2.5 9 791 2134 90 12 -12.0 0.0 | 107 4 -3.6 1.1 10 763 2438 80 8 -7.9 -1.4 | 302 1 0.5 -0.3 11 710 3048 10 4 -0.7 -3.9 | 290 8 7.7 -2.9 12 700 3174 330 3 1.5 -2.6 | 279 10 9.9 -1.5 13 635 3962 280 10 9.8 -1.7 | 272 18 18.2 -0.6 14 611 4267 280 10 9.8 -1.7 | 272 18 18.2 -0.6 15 500 5890 30 8 -4.0 -6.9 | 323 7 4.4 -5.8 16 487 6096 15 9 -2.3 -8.7 | 322 10 6.0 -7.6 17 400 7610 315 2 1.4 -1.4 | 272 10 9.8 -0.3 18 399 7620 30 1 -0.5 -0.9 | 268 8 7.9 0.2 19 368 8230 90 4 -4.0 0.0 | 256 4 4.4 1.1 20 353 8534 95 11 -11.0 1.0 | 128 3 -2.6 2.0 21 325 9144 105 21 -20.3 5.4 | 119 14 -11.9 6.5 22 300 9720 115 22 -19.9 9.3 | 132 16 -11.6 10.4 23 286 10058 115 21 -19.0 8.9 | 133 15 -10.7 10.0 24 273 10363 135 20 -14.1 14.1 | 159 16 -5.8 15.2 25 250 10980 135 23 -16.3 16.3 | 156 19 -7.9 17.4 26 218 11887 135 32 -22.6 22.6 | 149 28 -14.3 23.7 27 200 12450 140 36 -23.1 27.6 | 153 32 -14.8 28.7 28 199 12497 140 30 -19.3 23.0 | 156 26 -10.9 24.1 29 180 13106 145 49 -28.1 40.1 | 154 46 -19.7 41.2 30 164 13716 120 20 -17.3 10.0 | 141 14 -9.0 11.1 31 150 14260 200 5 1.7 4.7 | 240 12 10.1 5.8 32 148 14326 140 10 -6.4 7.7 | 192 9 1.9 8.7 33 141 14630 200 5 1.7 4.7 | 240 12 10.1 5.8 34 134 14935 270 17 17.0 -0.0 | 268 25 25.4 1.1 35 114 15850 255 39 37.7 10.1 | 256 47 46.0 11.2 36 108 16154 265 43 42.8 3.7 | 265 51 51.2 4.8 37 103 16459 275 38 37.9 -3.3 | 273 46 46.2 -2.2 38 100 16620 250 40 37.6 13.7 | 252 48 46.0 14.8 39 97 16764 250 40 37.6 13.7 | 252 48 46.0 14.8 40 92 17069 240 33 28.6 16.5 | 245 41 36.9 17.6 41 87 17395 255 11 10.6 2.8 | 258 19 19.0 3.9 42 83 17678 255 11 10.6 2.8 | 258 19 19.0 3.9 43 78 17983 290 18 16.9 -6.2 | 281 26 25.3 -5.1 44 74 18288 235 12 9.8 6.9 | 246 20 18.2 8.0 45 70 18593 150 15 -7.5 13.0 | 184 14 0.9 14.1 46 70 18600 105 13 -12.6 3.4 | 137 6 -4.2 4.5 47 66 18898 85 13 -13.0 -1.1 | 89 5 -4.6 -0.0 48 63 19202 50 11 -8.4 -7.1 | 1 6 -0.1 -6.0 49 60 19507 25 16 -6.8 -14.5 | 353 14 1.6 -13.4 50 57 19812 310 11 8.4 -7.1 | 290 18 16.8 -6.0 51 54 20117 100 10 -9.8 1.7 | 152 3 -1.5 2.8 52 51 20422 80 27 -26.6 -4.7 | 79 19 -18.2 -3.6 53 50 20550 90 42 -42.0 0.0 | 92 34 -33.6 1.1 54 49 20726 90 42 -42.0 0.0 | 92 34 -33.6 1.1 55 42 21641 90 45 -45.0 0.0 | 92 37 -36.6 1.1 56 38 22250 85 47 -46.8 -4.1 | 86 39 -38.5 -3.0 57 34 22860 105 47 -45.4 12.2 | 110 39 -37.0 13.3 58 30 23640 100 64 -63.0 11.1 | 103 56 -54.7 12.2 59 26 24533 90 73 -73.0 0.0 | 91 65 -64.6 1.1 60 24 24994 90 73 -73.0 0.0 | 91 65 -64.6 1.1 61 20 26210 90 63 -63.0 0.0 | 91 55 -54.6 1.1 62 20 26213 85 67 -66.7 -5.8 | 85 59 -58.4 -4.8 63 16 27127 90 47 -47.0 0.0 | 92 39 -38.6 1.1 Wind Parameters Mean winds (0-6000m): 52.6 at 11.2 knts Storm direction: 82.6 at 8.4 knts Shear (0-3000m) pos: 2.2 neg: 2.6 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 68.4 deg Storm rel helicity (0-3000m) pos: 22.5 neg: -35.8 tot: -13.2 m^2/s^2 ave: -4.4 10^-3 m/s^2 rel: -0.24 Storm rel vorticity (0-3000m) horiz: 9.3 stream: -2.2 10^-3/s Energy-Hel index: 0.19 Bulk Rich Number: 191.19 Bulk Shear: 7.04 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 85 13 90 5| 0.0 13.5 13.5| 0.0 -14.7 -14.7 -29.4 -0.85| 15.2-12.9 1000 77 17 73 9| 0.0 10.0 10.0| 0.3 -23.7 -23.3 -23.3 -0.64| 12.0 -7.7 1500 74 19 66 10| 1.7 6.7 8.4| 6.6 -30.4 -23.8 -15.9 -0.49| 10.3 -5.0 2000 77 18 71 10| 3.2 5.0 8.2| 22.5 -30.7 -8.2 -4.1 -0.20| 10.3 -2.1 2500 78 16 72 8| 2.6 3.5 6.1| 22.5 -31.1 -8.6 -3.4 -0.22| 9.8 -2.1 3000 76 14 68 6| 2.2 2.6 4.8| 22.5 -35.8 -13.2 -4.4 -0.24| 9.3 -2.2 4000 71 12 48 5| 1.6 1.8 3.4| 23.5 -51.1 -27.6 -6.9 -0.26| 8.4 -2.2 5000 59 12 19 5| 0.4 1.5 1.9| 58.3 -51.1 7.2 1.4 -0.12| 7.7 -0.9 6000 53 11 6 6| 0.4 1.2 1.6| 72.2 -51.4 20.8 3.5 -0.05| 7.2 -0.4 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251209.12.gif