UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 1 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 28.0 24.7 82 3.3 25.6 170 3 300.6 304.3 298.5 359.0 19.84 1 1000 113 26.6 24.4 88 2.2 25.0 170 3 299.8 303.3 298.1 357.2 19.59 2 981 282 25.0 24.0 94 1.0 24.3 148 6 299.8 303.3 298.1 356.9 19.49 3 925 798 22.4 20.4 88 2.0 21.0 135 8 302.2 305.3 296.8 351.1 16.53 4 872 1311 18.6 17.9 96 0.7 18.1 85 12 303.4 306.2 296.1 347.8 14.96 5 850 1531 17.8 15.1 84 2.7 16.0 80 13 304.8 307.2 295.0 343.0 12.80 6 834 1694 17.4 12.9 75 4.5 14.4 80 14 306.0 308.1 294.3 339.9 11.28 7 773 2339 12.8 10.9 88 1.9 11.6 49 7 307.8 309.8 294.3 340.1 10.66 8 761 2471 12.2 10.9 92 1.3 11.4 40 6 308.5 310.6 294.7 341.4 10.83 9 749 2604 12.2 6.2 67 6.0 8.6 42 6 309.9 311.4 292.9 334.4 7.96 10 721 2923 9.8 7.5 86 2.3 8.4 47 5 310.7 312.4 294.0 338.5 9.06 11 700 3169 9.2 4.2 71 5.0 6.3 50 5 312.7 314.1 293.2 335.7 7.41 12 643 3870 5.8 2.1 77 3.7 3.7 353 3 316.5 317.8 293.9 338.5 6.94 13 635 3973 6.2 0.2 65 6.0 2.9 350 3 318.1 319.3 293.7 337.7 6.13 14 577 4751 0.6 -0.4 93 1.0 0.0 339 4 320.4 321.6 294.6 341.1 6.46 15 535 5355 -2.7 -2.7 100 0.0 -2.7 337 3 323.4 324.6 295.0 342.6 5.87 16 500 5890 -5.7 -6.5 94 0.8 -6.1 335 3 326.1 327.0 294.7 341.7 4.71 17 442 6848 -11.3 -12.3 92 1.0 -11.7 327 13 330.7 331.4 294.8 342.2 3.37 18 429 7077 -12.1 -18.1 61 6.0 -14.2 331 11 332.5 333.0 294.3 340.1 2.14 19 400 7610 -15.7 -17.0 90 1.3 -16.2 340 4 334.6 335.1 295.1 343.4 2.52 20 378 8035 -18.1 -20.6 81 2.5 -18.9 303 6 336.9 337.3 295.3 343.9 1.96 21 356 8480 -22.1 -22.4 97 0.3 -22.2 274 8 337.3 337.7 295.2 343.7 1.78 22 327 9101 -25.9 -30.1 68 4.2 -26.8 246 10 340.4 340.6 295.3 344.0 0.96 23 301 9696 -30.5 -35.5 62 5.0 -31.3 225 9 342.1 342.2 295.4 344.4 0.62 24 300 9720 -30.5 -35.3 63 4.8 -31.3 225 9 342.4 342.5 295.5 344.8 0.63 25 262 10669 -38.3 -40.8 77 2.5 -38.6 220 13 344.5 344.6 295.8 346.1 0.41 26 257 10801 -39.3 -44.3 59 5.0 -39.8 206 15 344.9 345.0 295.7 346.1 0.29 27 250 10990 -40.7 -44.1 70 3.4 -41.0 185 18 345.6 345.6 295.9 346.8 0.30 28 249 11017 -40.9 -44.5 68 3.6 -41.2 185 18 345.7 345.7 295.9 346.8 0.29 29 240 11266 -42.5 -53.5 29 11.0 -43.1 180 18 346.9 346.9 296.0 347.4 0.11 30 228 11610 -45.5 -53.5 40 8.0 -45.9 174 17 347.5 347.5 296.2 347.9 0.12 31 213 12060 -48.7 -65.7 12 17.0 -49.2 176 20 349.3 349.3 296.5 349.4 0.03 32 200 12470 -52.1 -67.1 15 15.0 -52.4 180 21 350.3 350.3 296.7 350.4 0.02 33 178 13214 -58.3 -73.3 13 15.0 -58.5 190 27 352.0 352.0 297.1 352.0 0.01 34 150 14270 -66.3 -75.3 27 9.0 -66.4 165 20 355.9 355.9 297.9 355.9 0.01 35 147 14392 -67.3 -76.3 27 9.0 -67.4 161 19 356.2 356.2 298.0 356.2 0.01 36 125 15347 -75.5 -77.1 78 1.6 -75.5 183 9 358.2 358.2 298.4 358.3 0.01 37 124 15393 -76.1 -78.1 73 2.0 -76.1 188 8 358.0 358.0 298.3 358.0 0.01 38 113 15924 -79.1 -84.1 44 5.0 -79.1 252 12 362.0 362.0 299.1 362.0 0.00 39 101 16555 -82.9 -87.3 46 4.4 -82.9 278 18 366.5 366.5 299.9 366.5 0.00 40 100 16610 -83.1 -87.4 47 4.3 -83.1 280 19 367.2 367.2 300.1 367.2 0.00 41 81 17767 -88.3 -91.9 51 3.6 -88.3 110 34 379.3 379.3 302.1 379.3 0.00 42 78 17974 -83.7 -88.6 42 4.9 -83.7 105 34 393.0 393.0 304.2 393.0 0.00 43 77 18045 -84.3 -88.0 52 3.7 -84.3 99 31 393.2 393.2 304.2 393.2 0.00 44 74 18265 -84.7 -89.6 41 4.9 -84.7 77 23 396.8 396.8 304.8 396.8 0.00 45 71 18498 -76.7 -86.7 19 10.0 -76.7 358 13 418.6 418.6 307.6 418.6 0.00 46 70 18580 -76.3 -87.3 16 11.0 -76.3 330 10 421.2 421.2 307.9 421.2 0.00 47 69 18663 -76.3 -87.3 16 11.0 -76.3 78 14 422.9 422.9 308.0 422.9 0.00 48 50 20550 -69.1 -91.1 3 22.0 -69.3 80 35 480.7 480.7 313.5 480.7 0.00 49 43 21459 -64.9 -91.9 1 27.0 -65.3 82 44 512.2 512.2 315.8 512.2 0.00 50 39 22052 -65.7 -91.7 2 26.0 -66.1 92 44 524.6 524.6 316.6 524.7 0.00 51 30 23660 -61.5 -91.5 1 30.0 -62.3 95 62 577.0 577.0 319.5 577.0 0.00 52 25 24805 -59.5 -91.5 1 32.0 -60.6 90 66 613.6 613.6 321.2 613.6 0.00 53 21 25922 -52.6 -89.3 0 36.7 -55.3 85 70 665.7 665.7 323.3 665.8 0.01 54 20 26240 -50.7 -88.7 0 38.0 -54.0 95 65 681.0 681.0 323.8 681.0 0.01 55 19 26574 -50.5 -88.5 0 38.0 -54.0 95 65 691.7 691.7 324.1 691.7 0.01 TRP 81 17767 -88.3 -91.9 51 3.6 -88.3 110 34 379.3 379.3 302.1 379.3 0.00 WND 21 25922 -52.6 -89.3 0 36.7 -55.3 85 70 665.7 665.7 323.3 665.8 0.01 Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 569.36 mb = 4860.98 m = 15947.92 ft Wetbulb zero: 576.26 mb = 4761.38 m = 15621.15 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 85.19 % Est. max temperature: 31.78 C = 89.21 F Sfc-Lift cond lev (LCL): 959.49 mb = 476.96 m = 1564.83 ft T: 24.02 C 700-500 lapse rate: 5.48 C/km ThetaE index: 19.10 C Layer 1000.0- 773.0 mb Conv cond level (CCL): 913.82 mb = 903.67 m = 2964.76 ft Mean mixing ratio: 18.04 g/kg Conv temperature: 29.83 C = 85.69 F Cap Strength: 0.81 C Lifted Index: -4.20 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -4.33 C Lifted Index @700 mb: -2.48 C Showalter Index: -0.12 C Risk: Thunderstorms probable Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 20.80 C K Index: 33.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 210.20 Risk: None Energy Index: -0.33 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1570.51 J/kg Max Up Vert Vel: 56.04 m/s Conv Inhibition (B-): 4.47 J/kg Cap Strength: 0.81 C Lift Cond Lev (LCL): 933.49 mb = 717.90 m = 2355.27 ft Lev Free Conv (LFC): 898.49 mb = 1050.73 m = 3447.22 ft Equ Level (EL): 158.49 mb = 13930.26 m = 45702.41 ft B at Equ Level: 1563.40 J/kg Max Parcel Lev (MPL): 68.49 mb = 18706.49 m = 61372.25 ft Wind level data Storm motion: 90 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 1006 60 170 3 -0.5 3.0 | 233 5 3.9 2.9 1 1000 113 170 3 -0.5 3.0 | 233 5 3.9 2.9 2 978 305 145 6 -3.4 4.9 | 191 5 1.0 4.9 3 945 610 140 7 -4.5 5.4 | 179 5 -0.1 5.3 4 925 798 135 8 -5.7 5.7 | 167 6 -1.3 5.6 5 913 914 95 10 -10.0 0.9 | 99 6 -5.6 0.8 6 850 1531 80 13 -12.8 -2.3 | 75 9 -8.4 -2.3 7 821 1829 80 14 -13.8 -2.4 | 75 10 -9.4 -2.5 8 791 2134 65 10 -9.1 -4.2 | 48 6 -4.7 -4.3 9 763 2438 40 6 -3.9 -4.6 | 353 5 0.5 -4.6 10 700 3169 50 5 -3.8 -3.2 | 350 3 0.6 -3.2 11 684 3353 10 1 -0.2 -1.0 | 283 4 4.2 -1.0 12 611 4267 340 4 1.4 -3.8 | 303 7 5.8 -3.8 13 500 5890 335 3 1.3 -2.7 | 296 6 5.7 -2.7 14 487 6096 330 3 1.5 -2.6 | 294 6 5.9 -2.6 15 468 6401 300 11 9.5 -5.5 | 292 15 13.9 -5.5 16 450 6706 325 15 8.6 -12.3 | 313 18 13.0 -12.3 17 400 7610 340 4 1.4 -3.8 | 303 7 5.8 -3.8 18 368 8230 285 7 6.8 -1.8 | 279 11 11.2 -1.8 19 311 9449 230 11 8.4 7.1 | 241 15 12.8 7.0 20 300 9720 225 9 6.4 6.4 | 240 12 10.8 6.3 21 274 10363 205 12 5.1 10.9 | 221 14 9.5 10.8 22 262 10668 220 13 8.4 10.0 | 232 16 12.8 9.9 23 250 10990 185 18 1.6 17.9 | 198 19 6.0 17.9 24 229 11582 175 17 -1.5 16.9 | 190 17 2.9 16.9 25 218 11887 165 21 -5.4 20.3 | 177 20 -1.0 20.3 26 209 12192 185 20 1.7 19.9 | 197 21 6.1 19.9 27 200 12470 180 21 0.0 21.0 | 192 21 4.4 21.0 28 181 13106 190 28 4.9 27.6 | 199 29 9.3 27.5 29 164 13716 190 24 4.2 23.6 | 200 25 8.6 23.6 30 150 14270 165 20 -5.2 19.3 | 178 19 -0.8 19.3 31 149 14326 160 20 -6.8 18.8 | 173 19 -2.4 18.8 32 127 15240 175 10 -0.9 10.0 | 200 11 3.5 9.9 33 120 15545 205 5 2.1 4.5 | 235 8 6.5 4.5 34 114 15850 250 11 10.3 3.8 | 256 15 14.7 3.7 35 100 16610 280 19 18.7 -3.3 | 278 23 23.1 -3.3 36 97 16764 280 19 18.7 -3.3 | 278 23 23.1 -3.3 37 92 17069 295 14 12.7 -5.9 | 289 18 17.1 -5.9 38 87 17374 180 2 0.0 2.0 | 246 5 4.4 2.0 39 82 17678 130 13 -10.0 8.4 | 146 10 -5.6 8.3 40 81 17767 110 34 -31.9 11.6 | 113 30 -27.5 11.6 41 78 17983 105 34 -32.8 8.8 | 107 30 -28.4 8.8 42 74 18288 75 22 -21.3 -5.7 | 71 18 -16.8 -5.7 43 70 18580 330 10 5.0 -8.7 | 313 13 9.4 -8.7 44 70 18593 85 15 -14.9 -1.3 | 83 11 -10.5 -1.3 45 66 18898 55 11 -9.0 -6.3 | 36 8 -4.6 -6.3 46 54 20117 150 10 -5.0 8.7 | 176 9 -0.6 8.6 47 51 20422 105 27 -26.1 7.0 | 108 23 -21.7 7.0 48 50 20550 80 35 -34.5 -6.1 | 79 31 -30.1 -6.1 49 49 20726 90 35 -35.0 0.0 | 90 31 -30.6 -0.0 50 46 21031 80 34 -33.5 -5.9 | 78 30 -29.1 -5.9 51 44 21336 80 44 -43.3 -7.6 | 79 40 -38.9 -7.7 52 38 22250 95 44 -43.8 3.8 | 96 40 -39.4 3.8 53 30 23660 95 62 -61.8 5.4 | 95 58 -57.4 5.4 54 21 25922 85 70 -69.7 -6.1 | 85 66 -65.3 -6.1 55 20 26213 85 70 -69.7 -6.1 | 85 66 -65.3 -6.1 56 20 26240 95 65 -64.8 5.7 | 95 61 -60.3 5.6 57 17 26822 95 64 -63.8 5.6 | 95 60 -59.4 5.5 Wind Parameters Mean winds (0-6000m): 60.4 at 5.9 knts Storm direction: 90.4 at 4.4 knts Shear (0-3000m) pos: 0.2 neg: 1.4 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 117.9 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -37.4 tot: -37.3 m^2/s^2 ave: -12.4 10^-3 m/s^2 rel: -0.84 Storm rel vorticity (0-3000m) horiz: 5.0 stream: -4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 198.02 Bulk Shear: 7.93 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 ------------------------------------------------------------------------------- 500 148 5 199 5| 0.0 4.6 4.6| 0.0 -5.9 -5.9 -11.7 -0.99| 4.7 -4.6 1000 129 7 166 4| 0.0 5.4 5.4| 0.0 -17.8 -17.8 -17.8 -0.97| 6.9 -6.7 1500 107 9 123 5| 0.0 4.6 4.6| 0.0 -22.3 -22.3 -14.8 -0.91| 5.8 -5.3 2000 96 10 101 5| 0.0 3.1 3.1| 0.1 -28.6 -28.4 -14.2 -0.85| 5.5 -4.7 2500 89 9 88 5| 0.0 1.7 1.7| 0.1 -37.3 -37.1 -14.8 -0.86| 5.8 -5.0 3000 84 9 78 4| 0.2 1.4 1.5| 0.1 -37.4 -37.3 -12.4 -0.84| 5.0 -4.2 4000 79 7 61 3| 0.1 0.9 1.1| 2.2 -41.7 -39.5 -9.9 -0.75| 4.7 -3.5 5000 69 6 35 3| 0.1 0.8 0.9| 2.4 -42.5 -40.1 -8.0 -0.74| 3.9 -2.8 6000 60 6 13 3| 0.1 0.6 0.7| 2.4 -43.5 -41.1 -6.9 -0.74| 3.3 -2.4 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20251201.12.gif