UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:1200Z 19 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 1004 85 25.0 20.1 74 4.9 21.6 150 1 297.8 300.5 294.6 341.0 14.91 1 1000 122 24.0 19.3 75 4.7 20.8 150 1 297.1 299.7 293.9 338.3 14.23 2 985 254 22.2 17.9 77 4.3 19.3 59 5 296.6 299.0 293.0 334.8 13.21 3 972 371 25.0 16.0 57 9.0 18.9 33 6 300.6 302.7 293.2 335.4 11.84 4 956 517 24.8 14.8 54 10.0 18.1 49 7 301.8 303.9 293.0 334.7 11.14 5 925 806 23.2 11.2 47 12.0 15.6 70 5 303.0 304.7 291.7 330.0 9.06 6 907 977 22.4 8.4 41 14.0 13.8 7 2 303.9 305.3 290.8 326.9 7.64 7 850 1535 17.2 6.2 48 11.0 10.7 340 7 304.2 305.5 290.3 325.3 7.01 8 847 1565 17.0 7.0 52 10.0 11.0 344 7 304.3 305.6 290.7 326.6 7.44 9 824 1800 17.2 -14.8 10 32.0 4.4 17 9 306.9 307.2 285.9 311.6 1.47 10 818 1862 17.0 -14.0 11 31.0 4.4 26 10 307.3 307.6 286.2 312.4 1.58 11 700 3169 7.8 -25.2 7 33.0 -2.4 325 4 311.1 311.3 286.6 313.5 0.70 12 687 3323 6.6 -26.4 7 33.0 -3.3 312 5 311.5 311.6 286.6 313.7 0.64 13 589 4567 0.0 -41.0 3 41.0 -8.6 258 12 317.8 317.8 288.2 318.5 0.18 14 500 5850 -10.5 -22.5 37 12.0 -13.9 250 19 320.2 320.5 290.2 324.6 1.26 15 439 6839 -18.7 -26.7 49 8.0 -20.5 253 30 322.0 322.2 290.4 325.4 0.98 16 429 7011 -19.3 -37.3 19 18.0 -22.2 255 32 323.4 323.4 290.2 324.7 0.36 17 400 7530 -22.5 -46.5 9 24.0 -25.3 245 30 325.7 325.8 290.6 326.3 0.15 18 373 8040 -25.7 -54.7 5 29.0 -28.2 249 38 328.1 328.1 291.2 328.3 0.06 19 305 9466 -37.3 -55.3 14 18.0 -38.3 250 55 331.2 331.2 292.1 331.5 0.07 20 300 9580 -37.1 -63.1 5 26.0 -38.2 250 56 333.1 333.1 292.6 333.2 0.03 21 294 9719 -37.5 -64.5 4 27.0 -38.7 250 59 334.4 334.4 292.9 334.5 0.02 22 250 10820 -42.7 -71.7 3 29.0 -43.5 250 85 342.6 342.6 295.0 342.6 0.01 23 244 10984 -43.3 -72.4 3 29.1 -44.1 245 86 344.0 344.0 295.3 344.1 0.01 24 200 12310 -48.5 -78.5 2 30.0 -49.1 245 82 356.0 356.0 297.9 356.0 0.00 25 178 13070 -51.5 -81.5 2 30.0 -52.0 248 83 363.1 363.1 299.3 363.1 0.00 26 150 14160 -59.3 -85.3 2 26.0 -59.5 240 67 367.9 367.9 300.2 367.9 0.00 27 117 15676 -70.1 -89.1 5 19.0 -70.2 234 55 375.1 375.1 301.4 375.1 0.00 28 102 16484 -73.5 -91.5 5 18.0 -73.5 230 48 383.5 383.5 302.8 383.5 0.00 29 101 16542 -73.1 -92.1 4 19.0 -73.2 230 47 385.4 385.4 303.1 385.4 0.00 30 100 16600 -72.9 -91.9 4 19.0 -72.9 230 47 386.9 386.9 303.3 386.9 0.00 31 79 17979 -73.1 -89.1 7 16.0 -73.2 215 37 413.4 413.4 306.9 413.5 0.00 32 70 18680 -76.9 -89.9 11 13.0 -76.9 230 27 419.9 419.9 307.7 419.9 0.00 33 69 18763 -76.9 -89.9 11 13.0 -76.9 225 26 421.6 421.6 307.9 421.6 0.00 34 50 20650 -70.1 -91.1 3 21.0 -70.2 280 5 478.3 478.3 313.3 478.3 0.00 35 46 21152 -64.9 -90.9 2 26.0 -65.3 47 9 502.4 502.4 315.1 502.4 0.00 36 42 21703 -67.1 -91.1 2 24.0 -67.4 49 12 510.2 510.2 315.7 510.2 0.00 37 38 22318 -59.5 -89.5 1 30.0 -60.3 177 12 544.4 544.4 317.8 544.4 0.00 38 35 22833 -58.7 -87.7 1 29.0 -59.6 106 14 559.4 559.4 318.6 559.4 0.01 39 32 23394 -59.9 -87.9 1 28.0 -60.8 82 17 570.7 570.7 319.2 570.7 0.01 40 30 23800 -56.9 -86.9 1 30.0 -58.2 65 19 589.5 589.5 320.1 589.6 0.01 41 28 24240 -54.3 -86.3 1 32.0 -56.1 74 18 608.5 608.5 321.0 608.6 0.01 42 21 26098 -50.9 -83.9 1 33.0 -54.0 100 19 670.9 671.0 323.4 671.1 0.02 TRP 69 18763 -76.9 -89.9 11 13.0 -76.9 225 26 421.6 421.6 307.9 421.6 0.00 WND 244 10984 -43.3 -72.4 3 29.1 -44.1 245 86 344.0 344.0 295.3 344.1 0.01 Sounding variables and indices 1000-500 mb thick: 5728.00 m Freezing level: 589.00 mb = 4566.60 m = 14982.10 ft Wetbulb zero: 742.38 mb = 2675.92 m = 8779.17 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 21.98 % Est. max temperature: 31.35 C = 88.42 F Sfc-Lift cond lev (LCL): 934.82 mb = 713.38 m = 2340.46 ft T: 23.71 C 700-500 lapse rate: 6.83 C/km ThetaE index: 14.98 C Layer 824.0- 818.0 mb Conv cond level (CCL): 731.92 mb = 2794.96 m = 9169.71 ft Mean mixing ratio: 10.91 g/kg Conv temperature: 37.26 C = 99.07 F Cap Strength: 5.26 C Lifted Index: -0.73 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.20 C Lifted Index @700 mb: 2.39 C Showalter Index: 3.07 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 16.70 C K Index: 0.90 Risk: None Sweat Index: 107.40 Risk: None Energy Index: -0.03 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 165.69 J/kg Max Up Vert Vel: 18.20 m/s Conv Inhibition (B-): 430.64 J/kg Cap Strength: 5.20 C Lift Cond Lev (LCL): 831.45 mb = 1723.19 m = 5653.45 ft Lev Free Conv (LFC): 516.45 mb = 5596.42 m = 18360.73 ft Equ Level (EL): 306.45 mb = 9432.13 m = 30944.94 ft B at Equ Level: 162.04 J/kg Max Parcel Lev (MPL): 256.45 mb = 10647.01 m = 34930.72 ft Wind level data Storm motion: 303 at 7 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 1004 85 150 1 -0.5 0.9 | 126 8 -6.5 4.8 1 1000 122 150 1 -0.5 0.9 | 126 8 -6.5 4.8 2 979 305 25 6 -2.5 -5.4 | 80 9 -8.5 -1.5 3 946 610 60 8 -6.9 -4.0 | 90 13 -12.9 -0.1 4 925 806 70 5 -4.7 -1.7 | 102 11 -10.7 2.2 5 913 914 10 1 -0.2 -1.0 | 115 7 -6.2 2.9 6 850 1535 340 7 2.4 -6.6 | 54 4 -3.6 -2.7 7 792 2134 65 12 -10.9 -5.1 | 86 17 -16.9 -1.2 8 763 2438 70 13 -12.2 -4.4 | 88 18 -18.2 -0.5 9 736 2743 80 10 -9.8 -1.7 | 98 16 -15.9 2.2 10 710 3048 40 1 -0.6 -0.8 | 115 7 -6.7 3.1 11 700 3169 325 4 2.3 -3.3 | 100 4 -3.7 0.6 12 634 3962 255 10 9.7 2.6 | 209 7 3.6 6.5 13 610 4267 240 10 8.7 5.0 | 197 9 2.6 8.9 14 587 4572 260 12 11.8 2.1 | 224 8 5.8 6.0 15 565 4877 235 11 9.0 6.3 | 196 11 3.0 10.2 16 523 5486 260 16 15.8 2.8 | 236 12 9.7 6.7 17 500 5850 250 19 17.9 6.5 | 229 16 11.8 10.4 18 484 6096 245 21 19.0 8.9 | 226 18 13.0 12.8 19 429 7010 255 32 30.9 8.3 | 244 28 24.9 12.2 20 412 7315 245 24 21.8 10.1 | 228 21 15.7 14.1 21 400 7530 245 30 27.2 12.7 | 232 27 21.2 16.6 22 363 8230 250 41 38.5 14.0 | 241 37 32.5 17.9 23 300 9580 250 56 52.6 19.2 | 244 52 46.6 23.1 24 250 10820 250 85 79.9 29.1 | 246 81 73.9 33.0 25 244 10984 245 86 77.9 36.3 | 241 82 71.9 40.3 26 233 11278 245 86 77.9 36.3 | 241 82 71.9 40.3 27 200 12310 245 82 74.3 34.7 | 241 78 68.3 38.6 28 161 13716 250 83 78.0 28.4 | 246 79 72.0 32.3 29 150 14160 240 67 58.0 33.5 | 234 64 52.0 37.4 30 100 16600 230 47 36.0 30.2 | 221 45 30.0 34.1 31 97 16764 230 47 36.0 30.2 | 221 45 30.0 34.1 32 79 17983 215 37 21.2 30.3 | 204 37 15.2 34.2 33 75 18288 220 29 18.6 22.2 | 206 29 12.6 26.1 34 71 18593 255 21 20.3 5.4 | 237 17 14.3 9.3 35 70 18680 230 27 20.7 17.4 | 215 26 14.7 21.3 36 69 18763 225 26 18.4 18.4 | 209 25 12.4 22.3 37 64 19202 215 21 12.0 17.2 | 196 22 6.0 21.1 38 58 19812 185 20 1.7 19.9 | 170 24 -4.3 23.8 39 55 20117 210 16 8.0 13.9 | 186 18 2.0 17.8 40 52 20422 0 0 -0.0 -0.0 | 123 7 -6.0 3.9 41 50 20650 280 5 4.9 -0.9 | 160 3 -1.1 3.0 42 45 21336 90 11 -11.0 0.0 | 103 17 -17.0 3.9 43 41 21946 25 12 -5.1 -10.9 | 58 13 -11.1 -7.0 44 39 22250 190 12 2.1 11.8 | 166 16 -3.9 15.7 45 35 22860 105 14 -13.5 3.6 | 111 21 -19.5 7.5 46 30 23800 65 19 -17.2 -8.0 | 80 24 -23.2 -4.1 47 28 24079 75 18 -17.4 -4.7 | 88 23 -23.4 -0.7 48 26 24384 50 20 -15.3 -12.9 | 67 23 -21.3 -8.9 49 24 24689 70 13 -12.2 -4.4 | 88 18 -18.2 -0.5 50 22 24994 95 15 -14.9 1.3 | 104 22 -21.0 5.2 51 19 25603 105 23 -22.2 6.0 | 109 30 -28.2 9.9 52 18 25908 85 18 -17.9 -1.6 | 96 24 -23.9 2.3 53 17 26213 85 11 -11.0 -1.0 | 100 17 -17.0 3.0 54 16 26518 100 19 -18.7 3.3 | 106 26 -24.7 7.2 55 14 26822 85 26 -25.9 -2.3 | 93 32 -31.9 1.6 Wind Parameters Mean winds (0-6000m): 273.0 at 9.6 knts Storm direction: 303.0 at 7.2 knts Shear (0-3000m) pos: 2.3 neg: 2.5 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): -18.7 deg Storm rel helicity (0-3000m) pos: 58.4 neg: -26.4 tot: 32.0 m^2/s^2 ave: 10.7 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 0.8 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 6.88 Bulk Shear: 24.10 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 42 5 90 10| 0.0 8.2 8.2| 4.2 -18.1 -13.9 -27.7 -0.52| 12.0 -6.2 1000 48 5 95 10| 0.0 1.8 1.8| 15.2 -19.6 -4.5 -4.5 -0.15| 10.5 -1.6 1500 24 5 86 8| 0.0 2.9 2.9| 15.2 -26.0 -10.9 -7.3 -0.30| 8.8 -2.6 2000 28 6 81 9| 3.0 2.2 5.1| 34.7 -26.0 8.7 4.3 -0.04| 9.8 -0.4 2500 45 7 83 11| 2.8 1.7 4.5| 49.7 -26.0 23.6 9.5 0.04| 8.8 0.3 3000 51 7 87 12| 2.3 2.5 4.8| 58.4 -26.4 32.0 10.7 0.08| 9.2 0.8 4000 32 7 78 10| 1.7 2.9 4.7| 59.6 -29.7 29.9 7.5 0.08| 8.8 0.7 5000 332 8 35 4| 1.1 2.3 3.4| 75.1 -42.5 32.6 6.5 0.08| 8.3 0.7 6000 273 10 226 5| 0.5 2.2 2.7| 90.7 -52.5 38.2 6.4 0.10| 8.0 0.8 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20251219.12.gif