UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 27 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 111 SFC 950 569 19.0 19.0 100 0.0 19.0 0 0 296.5 299.1 294.0 338.9 14.71 2 925 788 19.8 17.8 88 2.0 18.4 55 9 299.6 302.1 294.4 340.5 14.00 3 912 911 19.8 16.9 83 2.9 17.8 41 10 300.8 303.2 294.3 340.1 13.40 4 850 1517 17.0 14.0 82 3.0 15.0 325 9 304.0 306.2 294.1 339.4 11.91 5 834 1679 16.2 12.2 77 4.0 13.6 300 10 304.8 306.8 293.6 337.0 10.77 6 816 1865 17.0 7.0 52 10.0 11.0 282 10 307.5 309.0 292.0 331.0 7.72 7 701 3143 8.2 5.5 83 2.7 6.6 245 21 311.4 313.0 293.4 336.5 8.11 8 700 3155 8.2 5.2 81 3.0 6.4 245 21 311.6 313.1 293.3 336.1 7.95 9 654 3716 7.2 -6.8 36 14.0 0.6 262 17 316.6 317.2 291.1 327.9 3.51 10 649 3779 7.2 -17.8 15 25.0 -2.1 265 17 317.2 317.5 289.4 322.2 1.45 11 639 3907 6.8 -12.2 24 19.0 -1.3 271 15 318.2 318.7 290.6 326.0 2.34 12 575 4763 0.0 -5.0 69 5.0 -2.4 288 9 320.0 320.9 293.0 334.9 4.59 13 557 5018 -1.5 -13.5 39 12.0 -6.3 301 11 321.1 321.6 291.5 329.2 2.42 14 538 5293 -3.5 -9.5 63 6.0 -6.1 308 12 322.0 322.6 292.6 333.4 3.46 15 529 5427 -4.1 -14.1 46 10.0 -8.0 306 12 322.8 323.3 292.0 331.0 2.43 16 520 5562 -5.3 -9.2 74 3.9 -7.0 305 12 322.9 323.7 293.1 335.1 3.67 17 502 5839 -5.9 -32.9 10 27.0 -12.4 299 16 325.5 325.6 290.9 327.2 0.48 18 500 5870 -6.1 -30.1 13 24.0 -12.3 295 17 325.6 325.7 291.1 327.9 0.63 19 489 6044 -7.5 -17.5 45 10.0 -11.1 295 18 326.0 326.4 292.4 332.8 1.98 20 467 6400 -9.7 -27.7 22 18.0 -14.5 293 20 327.5 327.7 291.9 330.6 0.84 21 452 6652 -11.3 -21.3 43 10.0 -14.4 291 22 328.6 328.9 292.8 334.0 1.54 22 448 6720 -12.1 -14.4 83 2.3 -13.0 290 23 328.4 329.0 293.8 338.0 2.80 23 440 6857 -12.3 -34.3 14 22.0 -17.0 289 24 329.9 330.0 292.2 331.7 0.48 24 436 6927 -12.7 -47.7 4 35.0 -18.0 288 25 330.2 330.3 291.9 330.7 0.12 25 428 7068 -13.5 -41.5 7 28.0 -18.4 287 26 331.0 331.0 292.2 331.9 0.23 26 424 7140 -14.1 -20.1 60 6.0 -16.0 286 27 331.1 331.5 293.7 337.5 1.83 27 417 7266 -14.5 -29.5 27 15.0 -18.1 285 28 332.2 332.3 293.1 335.1 0.80 28 401 7561 -16.3 -21.3 65 5.0 -17.9 294 21 333.6 333.9 294.3 339.8 1.74 29 400 7580 -16.5 -21.5 65 5.0 -18.0 295 20 333.5 333.9 294.2 339.6 1.72 30 352 8528 -24.1 -26.5 80 2.4 -24.6 251 26 335.7 336.0 294.4 340.3 1.25 31 317 9287 -28.1 -31.2 75 3.1 -28.7 294 29 340.4 340.6 295.2 343.7 0.89 32 300 9680 -31.3 -35.0 70 3.7 -31.9 305 30 341.3 341.4 295.2 343.8 0.65 33 280 10163 -34.9 -39.6 62 4.7 -35.5 293 39 342.9 343.0 295.4 344.6 0.44 34 250 10940 -40.9 -45.0 65 4.1 -41.2 260 43 345.3 345.3 295.8 346.4 0.28 35 240 11215 -43.5 -46.5 72 3.0 -43.7 260 38 345.4 345.5 295.8 346.4 0.24 36 203 12315 -53.3 -57.5 60 4.2 -53.4 253 54 346.9 346.9 296.0 347.2 0.08 37 200 12410 -54.1 -58.6 58 4.5 -54.2 255 53 347.1 347.1 296.1 347.4 0.07 38 174 13291 -61.5 -66.3 53 4.8 -61.6 267 57 349.0 349.0 296.4 349.1 0.03 39 152 14120 -67.1 -71.0 58 3.9 -67.1 270 69 353.2 353.2 297.3 353.2 0.02 40 150 14200 -67.7 -71.9 55 4.2 -67.7 270 70 353.5 353.5 297.4 353.5 0.02 41 136 14787 -70.3 -80.3 22 10.0 -70.4 264 72 358.9 358.9 298.5 358.9 0.00 42 128 15145 -72.4 -81.4 25 8.9 -72.5 250 78 361.4 361.4 299.0 361.4 0.00 43 108 16131 -78.3 -84.3 37 6.0 -78.3 285 31 368.2 368.2 300.2 368.3 0.00 44 101 16513 -78.9 -86.9 26 8.0 -78.9 285 29 374.2 374.2 301.3 374.2 0.00 45 100 16570 -77.9 -85.9 26 8.0 -77.9 280 30 377.2 377.2 301.8 377.2 0.00 46 89 17234 -78.3 -88.3 18 10.0 -78.3 281 35 389.2 389.2 303.7 389.2 0.00 47 85 17499 -73.9 -87.9 10 14.0 -73.9 268 34 403.3 403.3 305.6 403.3 0.00 48 70 18630 -74.1 -89.1 8 15.0 -74.2 255 18 425.9 425.9 308.4 425.9 0.00 49 66 18970 -75.9 -89.9 9 14.0 -75.9 258 17 429.2 429.2 308.7 429.2 0.00 50 61 19424 -75.1 -90.1 8 15.0 -75.2 273 14 440.7 440.7 310.0 440.7 0.00 51 56 19929 -66.5 -89.5 3 23.0 -66.7 228 16 471.3 471.3 312.7 471.3 0.00 52 50 20620 -62.3 -88.3 2 26.0 -62.7 50 21 496.7 496.7 314.7 496.7 0.00 53 47 21000 -63.5 -88.5 2 25.0 -63.9 60 16 502.7 502.7 315.1 502.7 0.00 54 44 21407 -60.7 -88.7 1 28.0 -61.3 18 24 519.1 519.1 316.2 519.1 0.00 55 35 22827 -60.9 -88.9 1 28.0 -61.6 3 17 553.7 553.7 318.3 553.7 0.00 56 30 23800 -53.9 -85.9 1 32.0 -55.7 125 8 597.7 597.7 320.5 597.8 0.01 57 29 24018 -52.7 -84.7 1 32.0 -54.8 113 8 606.8 606.8 320.9 606.9 0.01 TRP 108 16131 -78.3 -84.3 37 6.0 -78.3 285 31 368.2 368.2 300.2 368.3 0.00 WND 128 15145 -72.4 -81.4 25 8.9 -72.5 250 78 361.4 361.4 299.0 361.4 0.00 Sounding variables and indices 1000-500 mb thick: 5759.00 m Freezing level: 575.00 mb = 4763.40 m = 15627.77 ft Wetbulb zero: 652.94 mb = 3728.94 m = 12233.90 ft Precipitable water: 1.42 inches Sfc-500 mean rel hum: 61.12 % Est. max temperature: 30.41 C = 86.74 F Sfc-Lift cond lev (LCL): 950.28 mb = 566.39 m = 1858.21 ft T: -9999.00 C 700-500 lapse rate: 5.27 C/km ThetaE index: 14.32 C Layer 700.0- 639.0 mb Conv cond level (CCL): 777.25 mb = 2274.56 m = 7462.37 ft Mean mixing ratio: 13.19 g/kg Conv temperature: 31.16 C = 88.08 F Cap Strength: 3.39 C Lifted Index: 0.74 C Risk: Showers probable Lifted Index @300 mb: 2.90 C Lifted Index @700 mb: 0.56 C Showalter Index: 0.91 C Risk: Thunderstorms probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 20.10 C K Index: 34.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 203.00 Risk: None Energy Index: -2.15 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.42 J/kg Max Up Vert Vel: 7.13 m/s Conv Inhibition (B-): 238.48 J/kg Cap Strength: 3.25 C Lift Cond Lev (LCL): 867.68 mb = 1339.69 m = 4395.26 ft Lev Free Conv (LFC): 522.68 mb = 5521.59 m = 18115.24 ft Equ Level (EL): 512.68 mb = 5673.43 m = 18613.38 ft B at Equ Level: 24.58 J/kg Max Parcel Lev (MPL): 422.68 mb = 7163.25 m = 23501.18 ft Wind level data Storm motion: 308 at 10 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 ---------------------------------------------------------- 0 950 569 0 0 -0.0 -0.0 | 128 10 -7.8 6.2 1 925 788 55 9 -7.4 -5.2 | 94 15 -15.1 1.0 2 912 914 40 10 -6.4 -7.7 | 84 14 -14.2 -1.5 3 850 1517 325 9 5.2 -7.4 | 65 3 -2.6 -1.2 4 849 1524 315 11 7.8 -7.8 | 359 2 0.0 -1.6 5 790 2134 255 9 8.7 2.3 | 186 9 0.9 8.5 6 762 2438 220 13 8.4 10.0 | 182 16 0.6 16.1 7 700 3155 245 21 19.0 8.9 | 217 19 11.3 15.0 8 683 3353 245 22 19.9 9.3 | 218 20 12.2 15.5 9 633 3962 275 14 13.9 -1.2 | 231 8 6.2 4.9 10 610 4267 280 8 7.9 -1.4 | 181 5 0.1 4.8 11 587 4572 280 8 7.9 -1.4 | 181 5 0.1 4.8 12 545 5182 310 12 9.2 -7.7 | 317 2 1.4 -1.6 13 524 5486 305 12 9.8 -6.9 | 289 2 2.1 -0.7 14 505 5791 305 14 11.5 -8.0 | 297 4 3.7 -1.9 15 500 5870 295 17 15.4 -7.2 | 278 8 7.6 -1.0 16 485 6096 295 18 16.3 -7.6 | 280 9 8.6 -1.5 17 414 7315 285 28 27.0 -7.2 | 273 19 19.3 -1.1 18 400 7580 295 20 18.1 -8.5 | 283 11 10.4 -2.3 19 382 7925 290 16 15.0 -5.5 | 265 7 7.3 0.7 20 366 8230 260 16 15.8 2.8 | 222 12 8.0 8.9 21 351 8534 250 27 25.4 9.2 | 229 23 17.6 15.4 22 323 9144 285 29 28.0 -7.5 | 274 20 20.3 -1.4 23 310 9449 305 30 24.6 -17.2 | 303 20 16.8 -11.1 24 300 9680 305 30 24.6 -17.2 | 303 20 16.8 -11.1 25 260 10668 280 49 48.3 -8.5 | 273 41 40.5 -2.4 26 250 10940 260 43 42.3 7.5 | 249 37 34.6 13.6 27 238 11278 260 37 36.4 6.4 | 246 31 28.7 12.6 28 207 12192 250 56 52.6 19.2 | 241 52 44.9 25.3 29 200 12410 255 53 51.2 13.7 | 245 48 43.4 19.9 30 188 12802 265 50 49.8 4.4 | 256 43 42.1 10.5 31 150 14200 270 70 70.0 -0.0 | 264 63 62.2 6.2 32 140 14630 270 69 69.0 -0.0 | 264 62 61.2 6.2 33 128 15145 250 78 73.3 26.7 | 243 73 65.5 32.8 34 126 15240 250 78 73.3 26.7 | 243 73 65.5 32.8 35 113 15850 250 48 45.1 16.4 | 239 44 37.3 22.6 36 108 16131 285 31 29.9 -8.0 | 275 22 22.2 -1.9 37 102 16459 290 29 27.3 -9.9 | 281 20 19.5 -3.8 38 100 16570 280 30 29.5 -5.2 | 268 22 21.8 0.9 39 97 16764 280 30 29.5 -5.2 | 268 22 21.8 0.9 40 92 17069 290 33 31.0 -11.3 | 282 24 23.3 -5.1 41 87 17374 275 37 36.9 -3.2 | 264 29 29.1 2.9 42 83 17678 260 30 29.5 5.2 | 242 25 21.8 11.4 43 78 17983 300 28 24.2 -14.0 | 295 18 16.5 -7.8 44 70 18593 270 15 15.0 -0.0 | 230 10 7.2 6.2 45 70 18630 255 18 17.4 4.7 | 222 14 9.6 10.8 46 67 18898 255 18 17.4 4.7 | 222 14 9.6 10.8 47 60 19507 275 14 13.9 -1.2 | 231 8 6.2 4.9 48 57 19812 260 16 15.8 2.8 | 222 12 8.0 8.9 49 54 20117 190 15 2.6 14.8 | 166 22 -5.2 20.9 50 52 20422 185 10 0.9 10.0 | 157 18 -6.9 16.1 51 50 20620 50 21 -16.1 -13.5 | 73 25 -23.8 -7.3 52 49 20726 110 10 -9.4 3.4 | 119 20 -17.2 9.6 53 47 21031 55 17 -13.9 -9.8 | 81 22 -21.7 -3.6 54 45 21336 25 26 -11.0 -23.6 | 47 26 -18.7 -17.4 55 40 21946 335 13 5.5 -11.8 | 22 6 -2.3 -5.6 56 38 22250 35 11 -6.3 -9.0 | 79 14 -14.1 -2.9 57 37 22555 340 12 4.1 -11.3 | 35 6 -3.7 -5.1 58 35 22860 5 17 -1.5 -16.9 | 41 14 -9.2 -10.8 59 33 23165 350 11 1.9 -10.8 | 51 7 -5.8 -4.7 60 32 23470 230 11 8.4 7.1 | 183 13 0.7 13.2 61 30 23800 125 8 -6.6 4.6 | 127 18 -14.3 10.7 62 26 24384 70 10 -9.4 -3.4 | 99 17 -17.2 2.7 Wind Parameters Mean winds (0-6000m): 278.4 at 13.2 knts Storm direction: 308.4 at 9.9 knts Shear (0-3000m) pos: 2.7 neg: 4.1 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 96.3 deg Storm rel helicity (0-3000m) pos: 59.0 neg: -47.6 tot: 11.4 m^2/s^2 ave: 3.8 10^-3 m/s^2 rel: -0.17 Storm rel vorticity (0-3000m) horiz: 10.5 stream: -1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.57 Bulk Shear: 44.66 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 43 7 93 13| 10.0 0.0 10.0| 0.0 -33.1 -33.1 -66.3 -0.73| 15.3-11.1 1000 15 8 79 10| 5.0 6.1 11.1| 0.0 -39.2 -39.2 -39.2 -0.60| 14.3 -8.6 1500 341 9 64 5| 3.3 5.6 9.0| 0.0 -43.3 -43.3 -28.8 -0.60| 12.6 -7.5 2000 303 10 197 1| 2.5 6.1 8.6| 5.9 -47.6 -41.7 -20.8 -0.47| 12.1 -5.6 2500 268 11 207 7| 2.2 4.9 7.1| 40.5 -47.6 -7.1 -2.8 -0.26| 11.2 -3.0 3000 259 13 209 10| 2.7 4.1 6.7| 59.0 -47.6 11.4 3.8 -0.17| 10.5 -1.8 4000 263 13 212 9| 2.8 3.0 5.8| 63.7 -54.9 8.9 2.2 -0.19| 9.6 -1.8 5000 271 12 218 7| 2.8 2.4 5.2| 66.9 -55.4 11.5 2.3 -0.12| 8.5 -1.0 6000 278 13 231 7| 2.3 2.6 4.9| 67.6 -58.9 8.6 1.4 -0.12| 8.0 -1.0 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20250427.12.gif