UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011212.upa.cvt Date: 1200Z 12 JAN 26 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 12 JAN 26 Station: SBLO WMO ident: 83768 Latitude: -23.33 Longitude: -51.13 Elevation: 569.00 ------------------------------------------------------------------------------- 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 103 SFC 949 569 21.2 20.5 96 0.7 20.7 170 3 298.8 301.7 295.7 346.0 16.20 2 925 782 20.2 19.5 96 0.7 19.7 295 7 300.0 302.8 295.7 345.6 15.61 3 893 1088 20.6 16.3 76 4.3 17.7 319 9 303.4 305.8 294.9 342.5 13.17 4 850 1515 17.8 14.2 79 3.6 15.4 325 16 304.8 307.0 294.5 340.8 12.07 5 826 1760 16.4 10.4 68 6.0 12.6 331 21 305.8 307.6 293.0 334.8 9.63 6 709 3045 9.6 4.6 71 5.0 6.7 335 28 312.0 313.4 293.2 335.3 7.52 7 700 3151 8.8 3.8 71 5.0 5.9 335 28 312.2 313.6 292.9 334.6 7.20 8 604 4354 0.2 0.2 100 0.0 0.2 323 16 315.7 317.0 293.3 336.1 6.44 9 500 5850 -7.5 -8.0 96 0.5 -7.7 310 15 323.9 324.7 293.7 337.8 4.19 10 439 6852 -13.5 -14.0 96 0.5 -13.7 319 16 328.6 329.2 294.0 338.7 2.95 11 414 7294 -19.1 -30.1 37 11.0 -21.4 321 19 326.9 327.1 291.6 329.7 0.76 12 400 7550 -19.9 -32.9 30 13.0 -22.4 300 22 329.1 329.2 292.1 331.3 0.60 13 395 7644 -20.1 -35.1 25 15.0 -22.8 308 18 330.0 330.1 292.2 331.9 0.49 14 379 7950 -22.1 -25.3 75 3.2 -22.9 286 32 331.3 331.6 293.3 336.0 1.29 15 354 8451 -23.9 -26.8 77 2.9 -24.6 314 34 335.4 335.7 294.3 339.8 1.21 16 321 9159 -29.3 -30.9 86 1.6 -29.6 330 33 337.5 337.7 294.5 340.9 0.91 17 300 9640 -33.1 -34.8 85 1.7 -33.4 320 32 338.7 338.9 294.6 341.2 0.66 18 252 10837 -43.7 -47.9 63 4.2 -44.0 330 45 340.3 340.4 294.6 341.1 0.20 19 250 10890 -44.1 -49.1 57 5.0 -44.4 330 45 340.5 340.5 294.6 341.2 0.18 20 240 11162 -46.1 -55.1 35 9.0 -46.5 322 42 341.5 341.5 294.8 341.9 0.09 21 237 11246 -47.1 -55.1 40 8.0 -47.4 318 41 341.2 341.2 294.7 341.6 0.09 22 231 11415 -48.1 -70.1 6 22.0 -48.6 310 40 342.2 342.2 294.8 342.3 0.01 23 200 12350 -54.5 -72.5 9 18.0 -54.8 275 35 346.5 346.5 295.8 346.5 0.01 24 195 12511 -55.5 -72.5 10 17.0 -55.8 273 35 347.4 347.4 296.1 347.4 0.01 25 172 13307 -56.7 -78.7 5 22.0 -56.9 274 24 358.1 358.1 298.3 358.1 0.00 26 150 14160 -63.3 -79.3 10 16.0 -63.4 295 25 361.0 361.0 298.9 361.1 0.00 27 147 14283 -63.9 -79.9 10 16.0 -64.0 295 25 362.1 362.1 299.1 362.1 0.00 28 139 14625 -62.9 -84.9 4 22.0 -63.0 285 26 369.7 369.7 300.5 369.7 0.00 29 100 16590 -73.9 -84.9 17 11.0 -73.9 70 9 384.9 384.9 303.1 385.0 0.00 30 77 18108 -77.1 -90.1 11 13.0 -77.1 105 27 408.2 408.2 306.3 408.2 0.00 31 70 18660 -74.5 -89.5 8 15.0 -74.6 90 28 425.0 425.0 308.3 425.0 0.00 32 50 20650 -68.3 -89.3 3 21.0 -68.5 80 25 482.5 482.5 313.7 482.6 0.00 33 43 21561 -65.7 -88.7 3 23.0 -66.0 101 29 510.2 510.2 315.7 510.2 0.00 TRP 77 18108 -77.1 -90.1 11 13.0 -77.1 105 27 408.2 408.2 306.3 408.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5747.00 m Freezing level: 601.30 mb = 4393.16 m = 14413.08 ft Wetbulb zero: 601.43 mb = 4388.08 m = 14396.40 ft Precipitable water: 1.71 inches Sfc-500 mean rel hum: 84.36 % Est. max temperature: 29.45 C = 85.01 F Sfc-Lift cond lev (LCL): 939.63 mb = 651.50 m = 2137.45 ft T: 20.81 C 700-500 lapse rate: 6.04 C/km ThetaE index: 11.18 C Layer 925.0- 709.0 mb Conv cond level (CCL): 813.20 mb = 1890.96 m = 6203.87 ft Mean mixing ratio: 13.93 g/kg Conv temperature: 28.75 C = 83.75 F Cap Strength: 2.01 C Lifted Index: -2.07 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.01 C Lifted Index @700 mb: 0.11 C Showalter Index: -1.07 C Risk: Thunderstorms probable Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 21.70 C K Index: 34.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 217.40 Risk: None Energy Index: -0.68 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 609.98 J/kg Max Up Vert Vel: 34.93 m/s Conv Inhibition (B-): 75.01 J/kg Cap Strength: 2.01 C Lift Cond Lev (LCL): 863.31 mb = 1380.61 m = 4529.49 ft Lev Free Conv (LFC): 688.31 mb = 3288.43 m = 10788.68 ft Equ Level (EL): 218.31 mb = 11781.63 m = 38653.16 ft B at Equ Level: 600.60 J/kg Max Parcel Lev (MPL): 148.31 mb = 14229.29 m = 46683.45 ft Wind level data Storm motion: 357 at 14 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 ---------------------------------------------------------- 0 949 569 170 3 -0.5 3.0 | 176 17 -1.2 17.1 1 925 782 295 7 6.3 -3.0 | 207 13 5.7 11.2 2 911 914 310 7 5.4 -4.5 | 206 11 4.7 9.6 3 880 1219 325 10 5.7 -8.2 | 220 8 5.0 5.9 4 850 1515 325 16 9.2 -13.1 | 263 9 8.5 1.0 5 790 2134 340 30 10.3 -28.2 | 326 17 9.6 -14.1 6 762 2438 335 30 12.7 -27.2 | 317 18 12.0 -13.1 7 700 3151 335 28 11.8 -25.4 | 315 16 11.1 -11.3 8 633 3962 340 19 6.5 -17.9 | 303 7 5.8 -3.7 9 609 4267 325 16 9.2 -13.1 | 263 9 8.5 1.0 10 564 4877 310 18 13.8 -11.6 | 259 13 13.1 2.6 11 523 5486 310 12 9.2 -7.7 | 233 11 8.5 6.4 12 500 5850 310 15 11.5 -9.6 | 247 12 10.8 4.5 13 484 6096 320 17 10.9 -13.0 | 264 10 10.2 1.1 14 447 6706 310 17 13.0 -10.9 | 255 13 12.3 3.2 15 429 7010 330 14 7.0 -12.1 | 252 7 6.3 2.0 16 413 7315 320 19 12.2 -14.6 | 272 12 11.5 -0.4 17 400 7550 300 22 19.1 -11.0 | 260 19 18.4 3.1 18 396 7620 310 17 13.0 -10.9 | 255 13 12.3 3.2 19 380 7925 285 31 29.9 -8.0 | 258 30 29.3 6.1 20 364 8230 300 40 34.6 -20.0 | 280 34 34.0 -5.9 21 349 8534 320 31 19.9 -23.7 | 297 22 19.2 -9.6 22 321 9144 330 33 16.5 -28.6 | 312 21 15.8 -14.5 23 308 9449 335 37 15.6 -33.5 | 322 24 15.0 -19.4 24 300 9640 320 32 20.6 -24.5 | 298 22 19.9 -10.4 25 295 9754 320 33 21.2 -25.3 | 299 23 20.5 -11.2 26 270 10363 330 45 22.5 -39.0 | 319 33 21.8 -24.8 27 250 10890 330 45 22.5 -39.0 | 319 33 21.8 -24.8 28 247 10973 330 43 21.5 -37.2 | 318 31 20.8 -23.1 29 205 12192 275 34 33.9 -3.0 | 251 35 33.2 11.2 30 200 12350 275 35 34.9 -3.1 | 252 36 34.2 11.1 31 186 12802 270 35 35.0 -0.0 | 248 37 34.3 14.1 32 177 13106 280 29 28.6 -5.0 | 252 29 27.9 9.1 33 169 13411 270 21 21.0 -0.0 | 235 25 20.3 14.1 34 161 13716 305 21 17.2 -12.0 | 263 17 16.5 2.1 35 153 14021 310 23 17.6 -14.8 | 272 17 16.9 -0.7 36 150 14160 295 25 22.7 -10.6 | 261 22 22.0 3.6 37 146 14326 295 25 22.7 -10.6 | 261 22 22.0 3.6 38 139 14630 285 26 25.1 -6.7 | 253 26 24.4 7.4 39 132 14935 245 13 11.8 5.5 | 209 23 11.1 19.6 40 125 15240 130 1 -0.8 0.6 | 174 15 -1.5 14.8 41 119 15545 75 11 -10.6 -2.8 | 135 16 -11.3 11.3 42 113 15850 115 11 -10.0 4.6 | 150 22 -10.7 18.8 43 102 16459 90 16 -16.0 0.0 | 130 22 -16.7 14.1 44 100 16590 70 9 -8.5 -3.1 | 140 14 -9.1 11.0 45 97 16764 65 14 -12.7 -5.9 | 122 16 -13.4 8.2 46 92 17069 130 11 -8.4 7.1 | 157 23 -9.1 21.2 47 87 17374 140 15 -9.6 11.5 | 158 28 -10.3 25.6 48 77 18108 105 27 -26.1 7.0 | 128 34 -26.8 21.1 49 70 18660 90 28 -28.0 0.0 | 116 32 -28.7 14.1 50 64 19202 75 21 -20.3 -5.4 | 113 23 -21.0 8.7 51 61 19507 125 21 -17.2 12.0 | 146 32 -17.9 26.2 52 52 20422 110 25 -23.5 8.6 | 133 33 -24.2 22.7 53 50 20650 80 25 -24.6 -4.3 | 111 27 -25.3 9.8 54 49 20726 80 24 -23.6 -4.2 | 112 26 -24.3 10.0 55 40 21641 110 31 -29.1 10.6 | 130 39 -29.8 24.7 56 38 21946 105 36 -34.8 9.3 | 123 43 -35.5 23.4 Wind Parameters Mean winds (0-6000m): 327.2 at 18.9 knts Storm direction: 357.2 at 14.1 knts Shear (0-3000m) pos: 4.6 neg: 0.3 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 136.3 deg Storm rel helicity (0-3000m) pos: 91.9 neg: -15.4 tot: 76.5 m^2/s^2 ave: 25.5 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 4.4 10^-3/s Energy-Hel index: 0.35 Bulk Rich Number: 25.26 Bulk Shear: 24.14 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 ------------------------------------------------------------------------------- 500 300 6 204 12| 11.5 0.0 11.5| 39.6 0.0 39.6 79.2 0.67| 15.0 10.1 1000 317 9 218 9| 10.3 0.0 10.3| 57.0 0.0 57.0 57.0 0.76| 12.2 9.3 1500 327 14 250 7| 10.8 0.0 10.8| 88.1 0.0 88.1 58.7 0.78| 12.4 9.6 2000 332 18 282 8| 8.1 0.5 8.6| 91.9 -10.7 81.2 40.6 0.66| 10.3 6.8 2500 333 20 294 9| 6.5 0.4 6.8| 91.9 -12.7 79.2 31.7 0.63| 8.6 5.4 3000 333 21 298 10| 4.6 0.3 4.9| 91.9 -15.4 76.5 25.5 0.54| 8.0 4.4 4000 333 21 296 10| 3.4 1.4 4.8| 91.9 -29.8 62.1 15.5 0.31| 7.6 2.4 5000 329 19 286 10| 2.7 1.5 4.2| 93.3 -47.6 45.7 9.1 0.20| 7.0 1.4 6000 327 19 280 10| 2.7 1.4 4.1|108.2 -50.9 57.3 9.5 0.23| 6.4 1.5 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20260112.12.gif