UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 21 APR 25 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 138 SFC 952 569 19.0 17.7 92 1.3 18.1 100 5 296.3 298.7 293.1 335.2 13.50 2 925 808 15.6 15.2 97 0.4 15.4 125 9 295.3 297.4 291.5 329.2 11.82 3 911 938 14.6 14.4 99 0.2 14.5 119 15 295.5 297.6 291.2 328.3 11.39 4 861 1418 16.8 12.5 76 4.3 14.0 193 5 302.6 304.6 292.9 334.2 10.64 5 850 1528 16.0 11.6 75 4.4 13.2 210 3 302.9 304.8 292.5 333.0 10.15 6 738 2716 9.4 2.4 62 7.0 5.5 252 10 308.2 309.4 290.9 327.2 6.17 7 700 3154 7.2 3.2 76 4.0 4.9 250 17 310.5 311.8 292.2 331.8 6.90 8 670 3512 4.8 2.1 83 2.7 3.3 260 16 311.7 312.9 292.3 332.4 6.66 9 649 3771 3.8 -6.2 48 10.0 -0.9 260 15 313.4 314.1 290.3 325.2 3.71 10 634 3961 4.4 -18.6 17 23.0 -3.8 241 14 316.2 316.5 289.0 320.9 1.39 11 608 4300 1.8 -17.2 23 19.0 -5.1 234 15 317.0 317.3 289.5 322.5 1.63 12 567 4861 1.4 -14.6 29 16.0 -5.0 248 23 322.9 323.3 291.8 330.3 2.17 13 500 5860 -5.5 -28.5 14 23.0 -11.8 255 34 326.3 326.5 291.4 329.0 0.73 14 486 6083 -6.9 -32.9 11 26.0 -13.1 260 35 327.3 327.4 291.5 329.1 0.49 15 413 7330 -16.9 -27.9 38 11.0 -19.6 270 47 330.0 330.2 292.6 333.4 0.93 16 406 7459 -17.9 -22.6 67 4.7 -19.2 270 47 330.3 330.6 293.3 335.7 1.53 17 400 7570 -18.3 -26.3 49 8.0 -20.3 270 48 331.2 331.4 293.1 335.2 1.12 18 399 7589 -18.5 -26.5 49 8.0 -20.5 270 48 331.2 331.4 293.1 335.1 1.10 19 382 7912 -20.9 -23.1 82 2.2 -21.5 267 50 332.2 332.5 293.7 337.7 1.56 20 360 8348 -23.5 -25.8 81 2.3 -24.1 264 53 334.4 334.6 294.1 339.1 1.30 21 341 8743 -25.1 -33.1 47 8.0 -26.6 261 61 337.4 337.6 294.3 340.0 0.69 22 300 9660 -32.3 -38.3 55 6.0 -33.1 270 68 339.9 339.9 294.7 341.7 0.47 23 265 10523 -39.5 -43.0 69 3.5 -39.8 270 73 341.6 341.7 295.0 342.9 0.32 24 262 10601 -39.9 -46.9 47 7.0 -40.5 270 74 342.1 342.2 295.0 343.0 0.21 25 250 10920 -42.5 -46.7 63 4.2 -42.8 265 75 342.9 342.9 295.2 343.8 0.23 26 244 11083 -44.1 -48.8 59 4.7 -44.4 263 76 342.9 342.9 295.2 343.6 0.19 27 236 11306 -44.3 -56.3 25 12.0 -44.9 261 77 345.9 345.9 295.8 346.2 0.08 28 234 11362 -44.7 -55.7 28 11.0 -45.2 261 77 346.1 346.1 295.8 346.5 0.09 29 221 11741 -47.7 -55.7 39 8.0 -48.0 257 79 347.2 347.2 296.1 347.6 0.09 30 200 12390 -53.3 -64.3 25 11.0 -53.5 250 83 348.4 348.4 296.3 348.5 0.03 31 194 12585 -54.7 -69.7 14 15.0 -54.9 250 84 349.2 349.2 296.5 349.2 0.02 32 183 12955 -57.8 -65.5 37 7.7 -57.9 250 86 350.0 350.0 296.7 350.1 0.03 33 182 12990 -58.1 -65.1 40 7.0 -58.2 250 86 350.1 350.1 296.7 350.2 0.03 34 175 13235 -59.7 -71.7 20 12.0 -59.9 249 86 351.4 351.4 297.0 351.4 0.01 35 158 13865 -65.1 -73.1 32 8.0 -65.2 246 85 352.7 352.7 297.2 352.7 0.01 36 150 14180 -66.7 -78.7 17 12.0 -66.8 245 85 355.2 355.2 297.7 355.2 0.01 37 145 14384 -67.9 -80.9 14 13.0 -67.9 245 85 356.6 356.6 298.0 356.6 0.00 38 137 14723 -70.9 -81.9 18 11.0 -70.9 247 83 357.1 357.1 298.1 357.1 0.00 39 101 16484 -81.1 -89.1 25 8.0 -81.1 270 65 370.0 370.0 300.5 370.0 0.00 40 100 16540 -81.3 -89.3 25 8.0 -81.3 270 65 370.6 370.6 300.7 370.7 0.00 41 95 16828 -83.1 -90.1 29 7.0 -83.1 275 64 372.6 372.6 301.0 372.6 0.00 42 92 17008 -82.3 -91.3 20 9.0 -82.3 275 66 377.6 377.6 301.9 377.6 0.00 43 86 17393 -74.9 -88.9 10 14.0 -74.9 283 56 399.9 399.9 305.2 399.9 0.00 44 80 17811 -78.1 -90.1 13 12.0 -78.1 285 50 401.7 401.7 305.5 401.7 0.00 45 70 18590 -70.9 -89.9 4 19.0 -71.0 245 32 432.7 432.7 309.1 432.7 0.00 46 60 19510 -65.7 -89.7 2 24.0 -66.0 247 19 463.8 463.8 312.1 463.8 0.00 47 52 20380 -63.5 -89.5 2 26.0 -63.8 350 10 488.3 488.3 314.1 488.3 0.00 48 50 20620 -63.9 -88.9 2 25.0 -64.3 265 7 492.9 492.9 314.4 492.9 0.00 49 36 22658 -59.9 -87.9 1 28.0 -60.7 78 11 551.8 551.8 318.2 551.8 0.00 50 30 23810 -55.7 -85.7 1 30.0 -57.2 125 15 592.8 592.8 320.3 592.8 0.01 51 22 25820 -48.1 -82.1 1 34.0 -51.9 95 24 670.4 670.4 323.4 670.6 0.02 52 21 26127 -48.3 -82.3 1 34.0 -52.2 87 26 678.8 678.8 323.7 679.0 0.02 TRP 95 16828 -83.1 -90.1 29 7.0 -83.1 275 64 372.6 372.6 301.0 372.6 0.00 WND 183 12955 -57.8 -65.5 37 7.7 -57.9 250 86 350.0 350.0 296.7 350.1 0.03 Sounding variables and indices 1000-500 mb thick: 5722.00 m Freezing level: 553.41 mb = 5064.07 m = 16614.20 ft Wetbulb zero: 653.34 mb = 3716.81 m = 12194.09 ft Precipitable water: 1.23 inches Sfc-500 mean rel hum: 54.52 % Est. max temperature: 27.68 C = 81.83 F Sfc-Lift cond lev (LCL): 934.16 mb = 726.17 m = 2382.41 ft T: 16.76 C 700-500 lapse rate: 4.69 C/km ThetaE index: 7.00 C Layer 850.0- 700.0 mb Conv cond level (CCL): 783.50 mb = 2213.18 m = 7261.02 ft Mean mixing ratio: 11.47 g/kg Conv temperature: 28.54 C = 83.38 F Cap Strength: 5.89 C Lifted Index: 5.09 C Risk: None Lifted Index @300 mb: 7.08 C Lifted Index @700 mb: 2.38 C Showalter Index: 4.32 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 17.10 C K Index: 29.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 179.20 Risk: None Energy Index: -0.70 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.40 J/kg Max Up Vert Vel: 7.93 m/s Conv Inhibition (B-): 28296.88 J/kg Cap Strength: 5.89 C Lift Cond Lev (LCL): 877.10 mb = 1260.54 m = 4135.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 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 ---------------------------------------------------------- 0 952 569 100 5 -4.9 0.9 | 99 18 -18.2 2.8 1 925 808 125 9 -7.4 5.2 | 109 22 -20.6 7.1 2 914 914 115 15 -13.6 6.3 | 107 28 -26.9 8.2 3 850 1528 210 3 1.5 2.6 | 111 13 -11.8 4.5 4 791 2134 245 7 6.3 3.0 | 125 8 -6.9 4.9 5 762 2438 250 8 7.5 2.7 | 129 7 -5.8 4.6 6 709 3048 255 12 11.6 3.1 | 161 5 -1.7 5.0 7 700 3154 250 17 16.0 5.8 | 199 8 2.7 7.7 8 683 3353 250 17 16.0 5.8 | 199 8 2.7 7.7 9 658 3658 270 16 16.0 -0.0 | 235 3 2.7 1.9 10 633 3962 240 14 12.1 7.0 | 173 9 -1.2 8.9 11 610 4267 235 14 11.5 8.0 | 170 10 -1.8 9.9 12 587 4572 225 25 17.7 17.7 | 193 20 4.4 19.6 13 565 4877 250 23 21.6 7.9 | 220 13 8.3 9.8 14 500 5860 255 34 32.8 8.8 | 241 22 19.6 10.7 15 485 6096 260 35 34.5 6.1 | 249 23 21.2 8.0 16 430 7010 270 45 45.0 -0.0 | 267 32 31.7 1.9 17 400 7570 270 48 48.0 -0.0 | 267 35 34.7 1.9 18 365 8230 265 51 50.8 4.4 | 260 38 37.5 6.3 19 336 8839 260 63 62.0 10.9 | 255 50 48.8 12.8 20 300 9660 270 68 68.0 -0.0 | 268 55 54.7 1.9 21 259 10668 270 74 74.0 -0.0 | 268 61 60.7 1.9 22 250 10920 265 75 74.7 6.5 | 262 62 61.4 8.4 23 200 12390 250 83 78.0 28.4 | 245 71 64.7 30.3 24 183 12955 250 86 80.8 29.4 | 245 74 67.5 31.3 25 179 13106 250 86 80.8 29.4 | 245 74 67.5 31.3 26 150 14180 245 85 77.0 35.9 | 239 74 63.8 37.8 27 139 14630 245 84 76.1 35.5 | 239 73 62.9 37.4 28 119 15545 270 72 72.0 -0.0 | 268 59 58.7 1.9 29 100 16540 270 65 65.0 -0.0 | 268 52 51.7 1.9 30 96 16764 270 65 65.0 -0.0 | 268 52 51.7 1.9 31 95 16828 275 64 63.8 -5.6 | 274 51 50.5 -3.7 32 91 17069 275 67 66.7 -5.8 | 274 54 53.5 -3.9 33 82 17678 290 46 43.2 -15.7 | 295 33 29.9 -13.8 34 78 17983 280 54 53.2 -9.4 | 281 41 39.9 -7.5 35 70 18590 245 32 29.0 13.5 | 226 22 15.7 15.4 36 70 18593 245 33 29.9 13.9 | 226 23 16.6 15.8 37 63 19202 265 25 24.9 2.2 | 251 12 11.6 4.1 38 57 19812 230 13 10.0 8.4 | 162 11 -3.3 10.3 39 54 20117 210 5 2.5 4.3 | 120 12 -10.8 6.2 40 52 20422 10 11 -1.9 -10.8 | 60 18 -15.2 -8.9 41 50 20620 265 7 7.0 0.6 | 112 7 -6.3 2.5 42 45 21336 180 3 0.0 3.0 | 110 14 -13.3 4.9 43 40 21946 45 11 -7.8 -7.8 | 74 22 -21.1 -5.9 44 39 22250 30 11 -5.5 -9.5 | 68 20 -18.8 -7.6 45 33 23165 135 10 -7.1 7.1 | 114 22 -20.3 9.0 46 32 23470 105 11 -10.6 2.8 | 101 24 -23.9 4.7 47 30 23810 125 15 -12.3 8.6 | 112 28 -25.6 10.5 48 28 24079 110 11 -10.3 3.8 | 103 24 -23.6 5.7 49 26 24384 125 15 -12.3 8.6 | 112 28 -25.6 10.5 50 19 25603 70 31 -29.1 -10.6 | 78 43 -42.4 -8.7 51 16 26213 75 27 -26.1 -7.0 | 83 40 -39.4 -5.1 Wind Parameters Mean winds (0-6000m): 248.1 at 17.9 knts Storm direction: 278.1 at 13.4 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 120.9 deg Storm rel helicity (0-3000m) pos: 83.9 neg: -10.6 tot: 73.3 m^2/s^2 ave: 24.4 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 3.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.37 Bulk Shear: 84.40 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 ------------------------------------------------------------------------------- 500 121 10 108 23| 8.9 0.0 8.9| 45.8 0.0 45.8 91.6 0.53| 14.4 7.7 1000 124 9 108 21| 3.6 0.0 3.6| 59.4 -10.6 48.8 48.8 0.26| 13.8 3.6 1500 143 7 114 19| 3.7 0.0 3.7| 66.2 -10.6 55.5 37.0 0.30| 10.7 3.2 2000 174 7 123 17| 3.5 0.0 3.5| 68.9 -10.6 58.3 29.2 0.32| 8.7 2.7 2500 207 8 133 13| 3.6 0.0 3.6| 74.8 -10.6 64.2 25.7 0.38| 7.8 3.0 3000 229 10 143 10| 3.6 0.0 3.6| 83.9 -10.6 73.3 24.4 0.43| 7.9 3.4 4000 235 11 154 9| 2.7 2.1 4.8|103.6 -19.9 83.8 20.9 0.29| 8.8 2.6 5000 241 14 174 9| 3.5 1.6 5.1|156.3 -19.9 136.5 27.3 0.37| 8.9 3.3 6000 248 18 201 9| 3.9 1.4 5.3|211.3 -19.9 191.5 31.9 0.42| 8.5 3.5 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20250421.12.gif