UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for SBUG... Searching the city database file for: SBUG ... Date:1200Z 18 JAN 26 Station: SBUG WMO ident: 83928 Latitude: -29.78 Longitude: -57.04 Elevation: 74.00 ------------------------------------------------------------------------------- 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 1001 74 27.0 22.4 76 4.6 23.7 215 4 300.1 303.2 296.8 350.7 17.28 1 1000 83 27.0 22.3 76 4.7 23.6 210 6 300.1 303.3 296.7 350.5 17.19 2 925 770 23.2 17.2 69 6.0 19.1 185 12 303.0 305.5 295.0 342.9 13.47 3 881 1194 20.8 12.8 60 8.0 15.5 187 14 304.8 306.8 293.4 336.5 10.60 4 850 1503 18.2 13.5 74 4.7 15.1 195 13 305.2 307.4 294.3 339.7 11.52 5 744 2629 9.8 6.8 82 3.0 8.0 200 14 307.9 309.5 292.6 333.4 8.36 6 709 3029 8.4 -1.6 49 10.0 3.2 181 16 310.6 311.6 290.5 325.7 4.80 7 700 3135 7.6 -1.4 53 9.0 2.9 185 17 310.9 311.8 290.7 326.3 4.93 8 653 3702 2.6 -1.6 74 4.2 0.5 202 16 311.5 312.5 291.1 327.8 5.21 9 631 3979 2.6 -30.4 7 33.0 -6.2 210 16 314.6 314.7 287.5 316.3 0.48 10 623 4082 2.2 -34.8 4 37.0 -6.8 208 16 315.3 315.3 287.6 316.4 0.32 11 595 4453 1.4 -36.6 4 38.0 -7.5 208 19 318.5 318.6 288.6 319.5 0.28 12 500 5830 -7.5 -24.5 24 17.0 -12.4 235 21 323.9 324.1 291.0 327.6 1.05 13 497 5877 -7.9 -24.9 24 17.0 -12.8 237 22 324.0 324.2 291.0 327.6 1.02 14 464 6410 -9.3 -47.3 3 38.0 -15.5 255 26 328.6 328.7 291.5 329.1 0.12 15 452 6612 -10.5 -37.5 9 27.0 -16.0 252 30 329.6 329.7 292.0 330.9 0.34 16 400 7540 -18.1 -33.1 26 15.0 -21.1 240 46 331.5 331.6 292.7 333.7 0.59 17 380 7921 -20.5 -30.5 40 10.0 -22.7 240 51 333.2 333.4 293.3 336.1 0.79 18 364 8238 -22.7 -41.7 16 19.0 -25.5 245 56 334.4 334.4 293.2 335.4 0.27 19 320 9166 -31.3 -35.3 68 4.0 -31.9 253 66 335.0 335.1 293.6 337.3 0.59 20 318 9210 -31.7 -34.8 74 3.1 -32.1 253 67 335.1 335.2 293.7 337.4 0.63 21 310 9390 -32.5 -39.5 50 7.0 -33.4 252 71 336.4 336.5 293.8 337.9 0.40 22 300 9620 -34.3 -41.3 49 7.0 -35.1 250 76 337.0 337.1 293.9 338.4 0.34 23 297 9690 -34.9 -41.9 49 7.0 -35.7 250 76 337.2 337.2 293.9 338.4 0.32 24 291 9832 -35.9 -40.9 60 5.0 -36.4 250 77 337.7 337.8 294.1 339.1 0.37 25 289 9879 -35.9 -45.9 35 10.0 -36.8 250 78 338.4 338.4 294.1 339.2 0.22 26 268 10397 -40.3 -48.3 42 8.0 -40.9 250 81 339.3 339.4 294.3 340.1 0.18 27 263 10525 -40.5 -52.5 26 12.0 -41.2 250 82 340.9 340.9 294.6 341.3 0.11 28 261 10577 -39.9 -62.9 7 23.0 -40.9 250 83 342.5 342.5 295.0 342.6 0.03 29 250 10870 -41.1 -60.1 11 19.0 -42.0 250 85 345.0 345.0 295.6 345.2 0.05 30 214 11909 -49.7 -61.7 23 12.0 -50.1 255 91 347.3 347.3 296.1 347.5 0.04 31 200 12350 -52.1 -71.1 8 19.0 -52.5 250 91 350.3 350.3 296.7 350.3 0.01 32 183 12918 -55.9 -74.5 8 18.6 -56.2 245 93 353.1 353.1 297.3 353.1 0.01 33 162 13682 -61.1 -79.1 8 18.0 -61.3 245 68 356.9 356.9 298.1 356.9 0.00 34 157 13877 -59.9 -83.9 3 24.0 -60.1 245 59 362.1 362.1 299.1 362.1 0.00 35 150 14160 -61.1 -83.1 4 22.0 -61.3 245 51 364.8 364.8 299.6 364.8 0.00 36 101 16542 -74.5 -89.5 8 15.0 -74.5 261 23 382.7 382.7 302.7 382.7 0.00 37 100 16600 -74.7 -89.7 8 15.0 -74.7 265 22 383.4 383.4 302.8 383.4 0.00 38 94 16958 -76.3 -90.3 9 14.0 -76.3 250 30 387.1 387.1 303.3 387.1 0.00 39 73 18410 -78.1 -90.1 13 12.0 -78.1 235 18 412.3 412.3 306.8 412.3 0.00 40 70 18650 -77.1 -90.1 11 13.0 -77.1 290 7 419.4 419.4 307.6 419.4 0.00 41 68 18816 -76.7 -90.7 9 14.0 -76.7 245 10 423.8 423.8 308.2 423.8 0.00 42 63 19262 -70.1 -91.1 3 21.0 -70.2 306 14 447.7 447.7 310.6 447.7 0.00 43 58 19751 -71.7 -90.7 4 19.0 -71.8 314 10 454.8 454.8 311.3 454.8 0.00 44 52 20403 -66.3 -91.3 2 25.0 -66.5 151 13 481.8 481.8 313.6 481.8 0.00 45 50 20640 -67.5 -90.5 2 23.0 -67.7 75 12 484.4 484.4 313.8 484.4 0.00 46 49 20762 -67.7 -90.7 2 23.0 -67.9 123 22 486.8 486.8 314.0 486.8 0.00 47 35 22838 -56.9 -87.9 1 31.0 -58.0 60 19 564.1 564.1 318.9 564.1 0.00 48 30 23810 -58.9 -87.9 1 29.0 -59.9 100 23 584.1 584.1 319.9 584.1 0.01 49 22 25795 -49.3 -84.3 1 35.0 -52.8 75 29 666.8 666.8 323.3 667.0 0.01 50 20 26420 -48.7 -83.7 1 35.0 -52.6 85 27 687.1 687.1 324.0 687.2 0.02 51 18 27113 -48.3 -83.3 1 35.0 -52.6 85 25 709.4 709.4 324.7 709.6 0.02 52 17 27489 -49.7 -83.7 1 34.0 -53.7 85 26 716.6 716.6 325.0 716.8 0.02 53 13 29260 -45.7 -82.7 1 37.0 -52.1 85 32 787.6 787.6 327.0 787.9 0.03 TRP 94 16958 -76.3 -90.3 9 14.0 -76.3 250 30 387.1 387.1 303.3 387.1 0.00 WND 183 12918 -55.9 -74.5 8 18.6 -56.2 245 93 353.1 353.1 297.3 353.1 0.01 Sounding variables and indices 1000-500 mb thick: 5747.00 m Freezing level: 580.06 mb = 4669.39 m = 15319.33 ft Wetbulb zero: 651.39 mb = 3721.92 m = 12210.86 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 48.87 % Est. max temperature: 32.14 C = 89.84 F Sfc-Lift cond lev (LCL): 936.50 mb = 661.14 m = 2169.06 ft T: 23.80 C 700-500 lapse rate: 5.60 C/km ThetaE index: 14.18 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 832.40 mb = 1679.86 m = 5511.29 ft Mean mixing ratio: 14.68 g/kg Conv temperature: 32.59 C = 90.67 F Cap Strength: 2.70 C Lifted Index: -2.89 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.38 C Lifted Index @700 mb: -1.68 C Showalter Index: -0.61 C Risk: Thunderstorms probable Total Totals Index: 46.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 21.00 C K Index: 30.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 209.00 Risk: None Energy Index: -2.35 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 801.19 J/kg Max Up Vert Vel: 40.03 m/s Conv Inhibition (B-): 62.12 J/kg Cap Strength: 2.70 C Lift Cond Lev (LCL): 876.46 mb = 1238.62 m = 4063.66 ft Lev Free Conv (LFC): 791.46 mb = 2106.27 m = 6910.26 ft Equ Level (EL): 251.46 mb = 10830.47 m = 35532.61 ft B at Equ Level: 797.33 J/kg Max Parcel Lev (MPL): 141.46 mb = 14513.11 m = 47614.63 ft Wind level data Storm motion: 238 at 13 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 1001 74 215 4 2.3 3.3 | 67 9 -8.6 -3.7 1 1000 83 210 6 3.0 5.2 | 78 8 -7.9 -1.7 2 975 305 230 6 4.6 3.9 | 64 7 -6.3 -3.1 3 942 610 180 12 0.0 12.0 | 115 12 -10.9 5.1 4 925 770 185 12 1.0 12.0 | 117 11 -9.8 5.0 5 910 914 180 14 0.0 14.0 | 123 13 -10.9 7.1 6 850 1503 195 13 3.4 12.6 | 127 9 -7.5 5.6 7 818 1829 205 15 6.3 13.6 | 146 8 -4.5 6.7 8 789 2134 195 15 3.9 14.5 | 137 10 -7.0 7.6 9 760 2438 200 16 5.5 15.0 | 146 10 -5.4 8.1 10 733 2743 200 13 4.4 12.2 | 129 8 -6.4 5.3 11 707 3048 180 16 0.0 16.0 | 130 14 -10.9 9.1 12 700 3135 185 17 1.5 16.9 | 137 14 -9.4 10.0 13 631 3962 210 16 8.0 13.9 | 157 8 -2.9 6.9 14 608 4267 205 15 6.3 13.6 | 146 8 -4.5 6.7 15 563 4877 215 30 17.2 24.6 | 200 19 6.3 17.6 16 502 5791 235 21 17.2 12.0 | 231 8 6.3 5.1 17 500 5830 235 21 17.2 12.0 | 231 8 6.3 5.1 18 483 6096 245 28 25.4 11.8 | 251 15 14.5 4.9 19 464 6401 255 26 25.1 6.7 | 271 14 14.2 -0.2 20 400 7540 240 46 39.8 23.0 | 241 33 29.0 16.1 21 379 7925 240 51 44.2 25.5 | 241 38 33.3 18.6 22 364 8230 245 56 50.8 23.7 | 247 43 39.9 16.7 23 334 8839 255 59 57.0 15.3 | 260 47 46.1 8.3 24 300 9620 250 76 71.4 26.0 | 253 63 60.5 19.1 25 281 10058 250 79 74.2 27.0 | 252 66 63.4 20.1 26 250 10870 250 85 79.9 29.1 | 252 72 69.0 22.1 27 214 11887 255 91 87.9 23.6 | 258 79 77.0 16.6 28 200 12350 250 91 85.5 31.1 | 252 78 74.6 24.2 29 183 12918 245 93 84.3 39.3 | 246 80 73.4 32.4 30 178 13106 245 93 84.3 39.3 | 246 80 73.4 32.4 31 153 14021 245 53 48.0 22.4 | 247 40 37.2 15.5 32 150 14160 245 51 46.2 21.6 | 248 38 35.3 14.6 33 113 15850 220 34 21.9 26.0 | 210 22 11.0 19.1 34 100 16600 265 22 21.9 1.9 | 294 12 11.0 -5.0 35 97 16764 265 22 21.9 1.9 | 294 12 11.0 -5.0 36 94 16958 250 30 28.2 10.3 | 259 18 17.3 3.3 37 87 17374 250 30 28.2 10.3 | 259 18 17.3 3.3 38 83 17678 235 23 18.8 13.2 | 232 10 8.0 6.3 39 79 17983 230 21 16.1 13.5 | 218 8 5.2 6.6 40 75 18288 245 17 15.4 7.2 | 267 5 4.5 0.3 41 71 18593 220 19 12.2 14.6 | 190 8 1.3 7.6 42 70 18650 290 7 6.6 -2.4 | 25 10 -4.3 -9.3 43 67 18898 225 12 8.5 8.5 | 123 3 -2.4 1.6 44 64 19202 305 15 12.3 -8.6 | 355 16 1.4 -15.5 45 58 19812 315 10 7.1 -7.1 | 15 15 -3.8 -14.0 46 55 20117 280 10 9.8 -1.7 | 7 9 -1.0 -8.7 47 52 20422 145 13 -7.5 10.6 | 101 19 -18.3 3.7 48 50 20640 75 12 -11.6 -3.1 | 66 25 -22.5 -10.0 49 49 20726 130 23 -17.6 14.8 | 105 30 -28.5 7.9 50 47 21031 75 12 -11.6 -3.1 | 66 25 -22.5 -10.0 51 41 21946 100 16 -15.8 2.8 | 81 27 -26.6 -4.1 52 39 22250 60 22 -19.1 -11.0 | 59 35 -29.9 -17.9 53 35 22860 60 19 -16.5 -9.5 | 59 32 -27.3 -16.4 54 32 23470 110 28 -26.3 9.6 | 94 37 -37.2 2.6 55 30 23810 100 23 -22.7 4.0 | 85 34 -33.5 -2.9 56 26 24689 85 33 -32.9 -2.9 | 77 45 -43.7 -9.8 57 25 24994 95 27 -26.9 2.4 | 83 38 -37.8 -4.6 58 23 25603 75 26 -25.1 -6.7 | 69 38 -36.0 -13.7 59 22 25908 75 30 -29.0 -7.8 | 70 42 -39.9 -14.7 60 21 26213 105 22 -21.3 5.7 | 88 32 -32.1 -1.2 61 20 26420 85 27 -26.9 -2.4 | 76 39 -37.8 -9.3 62 18 26822 85 25 -24.9 -2.2 | 76 37 -35.8 -9.1 63 9 29566 85 41 -40.8 -3.6 | 79 53 -51.7 -10.5 Wind Parameters Mean winds (0-6000m): 207.5 at 17.2 knts Storm direction: 237.5 at 12.9 knts Shear (0-3000m) pos: 0.7 neg: 2.7 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 64.9 deg Storm rel helicity (0-3000m) pos: 32.2 neg: -9.6 tot: 22.6 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 1.7 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 63.27 Bulk Shear: 12.66 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 ------------------------------------------------------------------------------- 500 208 7 87 7| 0.0 8.3 8.3| 13.7 -1.6 12.1 24.2 0.55| 11.6 6.3 1000 191 10 109 9| 0.0 5.4 5.4| 20.4 -1.6 18.8 18.8 0.53| 8.0 4.3 1500 191 11 115 10| 1.1 3.6 4.7| 23.2 -1.6 21.6 14.4 0.50| 6.5 3.2 2000 194 12 121 9| 0.8 3.1 3.9| 28.0 -3.8 24.2 12.1 0.46| 5.9 2.7 2500 195 13 126 9| 0.8 2.5 3.3| 30.9 -6.0 24.9 9.9 0.42| 5.3 2.2 3000 194 13 127 10| 0.7 2.7 3.3| 32.2 -9.6 22.6 7.5 0.30| 5.6 1.7 4000 195 14 132 10| 1.5 2.0 3.4| 47.0 -10.6 36.3 9.1 0.34| 5.3 1.8 5000 200 16 145 9| 2.2 1.6 3.8| 89.9 -12.4 77.5 15.5 0.42| 6.2 2.6 6000 208 17 161 9| 2.4 1.3 3.8|118.0 -12.4 105.6 17.6 0.45| 6.6 3.0 Wrote GIF file: /home/apache/climate/data/raob//SBUG/skewt/SBUG.skewt.20260118.12.gif