UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 17 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 128 SFC 952 569 20.6 19.8 95 0.8 20.1 70 2 297.9 300.7 295.0 342.7 15.45 2 939 682 18.8 17.7 93 1.1 18.1 70 7 297.3 299.7 293.6 336.9 13.70 3 925 806 19.2 17.9 92 1.3 18.3 70 13 298.9 301.5 294.3 340.0 14.09 4 915 900 19.6 17.9 90 1.7 18.4 61 13 300.3 302.9 294.8 342.0 14.25 5 867 1364 18.0 13.5 75 4.5 15.0 35 12 303.3 305.4 293.5 336.8 11.29 6 850 1534 17.2 14.0 81 3.2 15.1 25 12 304.2 306.4 294.2 339.6 11.91 7 834 1696 16.4 13.4 82 3.0 14.4 20 12 305.0 307.1 294.3 339.9 11.67 8 806 1987 14.0 13.7 98 0.3 13.8 350 12 305.4 307.7 294.8 342.3 12.32 9 700 3166 7.4 5.9 90 1.5 6.5 290 18 310.7 312.3 293.4 336.4 8.35 10 644 3847 2.6 -1.3 75 3.9 0.6 288 17 312.7 313.8 291.6 329.7 5.41 11 635 3960 2.2 -3.8 64 6.0 -0.7 281 17 313.5 314.4 291.2 328.0 4.55 12 615 4219 3.0 -36.0 4 39.0 -6.5 245 12 317.3 317.4 288.2 318.4 0.29 13 593 4514 1.4 -40.6 3 42.0 -7.7 231 9 318.8 318.8 288.6 319.5 0.19 14 500 5860 -9.7 -20.7 40 11.0 -13.1 265 30 321.2 321.5 290.6 326.3 1.47 15 468 6366 -14.1 -21.1 55 7.0 -16.2 274 33 321.9 322.2 290.9 327.1 1.52 16 458 6530 -15.3 -23.3 50 8.0 -17.4 271 39 322.4 322.6 290.8 326.8 1.28 17 438 6866 -16.9 -19.6 80 2.7 -17.7 268 51 324.5 324.9 291.9 330.8 1.85 18 431 6988 -13.7 -41.7 7 28.0 -18.5 270 54 330.1 330.1 292.0 330.9 0.23 19 400 7550 -18.1 -56.1 2 38.0 -22.2 280 56 331.5 331.5 292.2 331.7 0.05 20 362 8284 -23.9 -55.9 4 32.0 -26.9 285 65 333.3 333.3 292.7 333.5 0.05 21 332 8910 -26.7 -55.7 5 29.0 -29.2 285 72 337.8 337.8 293.9 338.1 0.06 22 300 9630 -33.1 -60.1 5 27.0 -34.8 260 76 338.7 338.7 294.0 338.9 0.04 23 298 9677 -33.5 -60.5 5 27.0 -35.1 260 76 338.8 338.8 294.1 339.0 0.04 24 274 10263 -36.9 -59.9 7 23.0 -38.2 262 80 342.1 342.1 294.8 342.3 0.04 25 250 10890 -42.5 -63.5 8 21.0 -43.3 270 85 342.9 342.9 295.0 343.0 0.03 26 224 11623 -48.9 -63.9 16 15.0 -49.3 272 89 344.0 344.0 295.3 344.1 0.03 27 222 11682 -49.3 -59.3 30 10.0 -49.6 273 90 344.3 344.3 295.4 344.5 0.06 28 210 12045 -51.7 -67.7 13 16.0 -52.0 274 92 346.0 346.0 295.8 346.1 0.02 29 200 12360 -53.7 -68.7 14 15.0 -54.0 275 94 347.7 347.7 296.1 347.8 0.02 30 197 12457 -54.5 -68.9 16 14.3 -54.8 275 94 347.9 347.9 296.2 348.0 0.02 31 175 13204 -61.1 -70.1 29 9.0 -61.2 269 90 349.1 349.1 296.4 349.2 0.02 32 162 13680 -64.1 -75.1 21 11.0 -64.2 264 88 351.8 351.8 297.0 351.9 0.01 33 150 14150 -65.3 -81.3 9 16.0 -65.4 260 85 357.6 357.6 298.2 357.6 0.00 34 136 14743 -66.5 -83.5 7 17.0 -66.6 257 85 365.6 365.6 299.8 365.6 0.00 35 100 16560 -75.5 -86.5 16 11.0 -75.5 270 47 381.9 381.9 302.5 381.9 0.00 36 87 17360 -78.9 -89.9 15 11.0 -78.9 275 44 390.5 390.5 303.9 390.5 0.00 37 84 17562 -73.9 -88.9 8 15.0 -73.9 275 45 404.6 404.6 305.8 404.6 0.00 38 79 17922 -71.9 -89.9 5 18.0 -72.0 265 35 415.9 415.9 307.2 415.9 0.00 39 70 18630 -74.9 -89.9 8 15.0 -75.0 270 21 424.1 424.1 308.2 424.2 0.00 40 68 18798 -75.5 -90.5 8 15.0 -75.6 273 18 426.4 426.4 308.4 426.4 0.00 41 62 19341 -68.5 -90.5 3 22.0 -68.7 280 17 453.3 453.3 311.1 453.3 0.00 42 56 19949 -69.7 -90.7 3 21.0 -69.8 289 18 464.0 464.0 312.1 464.0 0.00 43 50 20630 -65.9 -90.9 2 25.0 -66.2 330 13 488.2 488.2 314.1 488.2 0.00 44 44 21417 -60.9 -88.9 1 28.0 -61.5 343 12 518.6 518.6 316.2 518.6 0.00 45 42 21706 -61.9 -88.9 2 27.0 -62.4 26 11 523.1 523.1 316.5 523.1 0.00 46 36 22664 -60.9 -88.9 1 28.0 -61.6 78 13 549.2 549.2 318.1 549.2 0.00 47 33 23213 -55.3 -87.3 1 32.0 -56.7 82 12 577.9 577.9 319.6 577.9 0.01 48 30 23820 -56.5 -87.5 1 31.0 -57.9 80 17 590.6 590.6 320.2 590.6 0.01 49 25 24986 -52.1 -85.1 1 33.0 -54.5 70 22 634.9 634.9 322.1 634.9 0.01 50 24 25250 -52.9 -84.9 1 32.0 -55.2 88 21 640.0 640.0 322.3 640.1 0.01 51 20 26440 -46.9 -82.9 1 36.0 -51.4 80 28 692.6 692.6 324.2 692.8 0.02 52 19 26780 -47.1 -83.1 1 36.0 -51.7 72 27 702.2 702.2 324.5 702.4 0.02 TRP 87 17360 -78.9 -89.9 15 11.0 -78.9 275 44 390.5 390.5 303.9 390.5 0.00 WND 197 12457 -54.5 -68.9 16 14.3 -54.8 275 94 347.9 347.9 296.2 348.0 0.02 Sounding variables and indices 1000-500 mb thick: 5732.00 m Freezing level: 581.27 mb = 4683.52 m = 15365.70 ft Wetbulb zero: 639.95 mb = 3897.60 m = 12787.25 ft Precipitable water: 1.43 inches Sfc-500 mean rel hum: 62.64 % Est. max temperature: 28.19 C = 82.74 F Sfc-Lift cond lev (LCL): 941.18 mb = 663.24 m = 2175.95 ft T: 19.10 C 700-500 lapse rate: 6.35 C/km ThetaE index: 23.92 C Layer 700.0- 593.0 mb Conv cond level (CCL): 815.19 mb = 1890.37 m = 6201.92 ft Mean mixing ratio: 13.09 g/kg Conv temperature: 27.87 C = 82.16 F Cap Strength: 2.28 C Lifted Index: -2.63 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 1.39 C Lifted Index @700 mb: -0.06 C Showalter Index: -2.75 C Risk: Severe thunderstorms possible Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 23.70 C K Index: 39.40 Risk: > 80 % chance of thunderstorms Sweat Index: 254.00 Risk: None Energy Index: -2.62 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 252.73 J/kg Max Up Vert Vel: 22.48 m/s Conv Inhibition (B-): 72.83 J/kg Cap Strength: 2.24 C Lift Cond Lev (LCL): 868.50 mb = 1349.26 m = 4426.64 ft Lev Free Conv (LFC): 703.50 mb = 3124.31 m = 10250.25 ft Equ Level (EL): 613.50 mb = 4239.17 m = 13907.85 ft B at Equ Level: 50.67 J/kg Max Parcel Lev (MPL): 243.50 mb = 11065.83 m = 36304.78 ft Wind level data Storm motion: 313 at 12 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 70 2 -1.9 -0.7 | 125 13 -10.9 7.7 1 925 806 70 13 -12.2 -4.4 | 101 22 -21.2 4.0 2 913 914 60 13 -11.3 -6.5 | 95 20 -20.3 1.9 3 850 1534 25 12 -5.1 -10.9 | 80 14 -14.1 -2.4 4 821 1829 15 12 -3.1 -11.6 | 75 13 -12.1 -3.2 5 791 2134 325 12 6.9 -9.8 | 56 3 -2.1 -1.4 6 763 2438 310 7 5.4 -4.5 | 137 5 -3.6 3.9 7 736 2743 315 16 11.3 -11.3 | 321 4 2.3 -2.9 8 700 3166 290 18 16.9 -6.2 | 254 8 7.9 2.3 9 684 3353 290 19 17.9 -6.5 | 258 9 8.9 1.9 10 658 3658 300 16 13.9 -8.0 | 265 5 4.9 0.4 11 634 3962 280 17 16.7 -3.0 | 235 9 7.7 5.5 12 610 4267 235 11 9.0 6.3 | 180 15 0.0 14.7 13 587 4572 230 8 6.1 5.1 | 168 14 -2.9 13.6 14 544 5182 230 12 9.2 7.7 | 181 16 0.2 16.1 15 524 5486 255 24 23.2 6.2 | 224 20 14.2 14.6 16 500 5860 265 30 29.9 2.6 | 242 24 20.9 11.0 17 485 6096 265 30 29.9 2.6 | 242 24 20.9 11.0 18 466 6401 275 34 33.9 -3.0 | 258 25 24.9 5.5 19 447 6706 265 46 45.8 4.0 | 251 39 36.8 12.4 20 430 7010 270 55 55.0 -0.0 | 260 47 46.0 8.4 21 400 7550 280 56 55.1 -9.7 | 272 46 46.2 -1.3 22 364 8230 285 65 62.8 -16.8 | 279 54 53.8 -8.4 23 321 9144 285 74 71.5 -19.2 | 280 63 62.5 -10.7 24 300 9630 260 76 74.8 13.2 | 252 69 65.8 21.6 25 282 10058 260 79 77.8 13.7 | 252 72 68.8 22.1 26 250 10890 270 85 85.0 -0.0 | 264 76 76.0 8.4 27 200 12360 275 94 93.6 -8.2 | 270 85 84.6 0.2 28 197 12457 275 94 93.6 -8.2 | 270 85 84.6 0.2 29 196 12497 275 94 93.6 -8.2 | 270 85 84.6 0.2 30 150 14150 260 85 83.7 14.8 | 253 78 74.7 23.2 31 125 15240 255 85 82.1 22.0 | 247 79 73.1 30.4 32 102 16459 280 47 46.3 -8.2 | 270 37 37.3 0.3 33 100 16560 270 47 47.0 -0.0 | 257 39 38.0 8.4 34 97 16764 270 46 46.0 -0.0 | 257 38 37.0 8.4 35 92 17069 265 49 48.8 4.3 | 252 42 39.8 12.7 36 87 17360 275 44 43.8 -3.8 | 262 35 34.8 4.6 37 82 17678 275 45 44.8 -3.9 | 263 36 35.8 4.5 38 74 18288 250 20 18.8 6.8 | 213 18 9.8 15.3 39 70 18593 275 15 14.9 -1.3 | 220 9 5.9 7.1 40 70 18630 270 21 21.0 -0.0 | 235 15 12.0 8.4 41 67 18898 275 17 16.9 -1.5 | 229 11 7.9 6.9 42 64 19202 260 24 23.6 4.2 | 229 19 14.6 12.6 43 60 19507 300 10 8.7 -5.0 | 174 3 -0.3 3.4 44 57 19812 300 20 17.3 -10.0 | 281 8 8.3 -1.6 45 52 20422 255 11 10.6 2.8 | 188 11 1.6 11.3 46 50 20630 330 13 6.5 -11.3 | 41 4 -2.5 -2.8 47 49 20726 335 11 4.6 -10.0 | 71 5 -4.4 -1.5 48 47 21031 330 14 7.0 -12.1 | 28 4 -2.0 -3.7 49 43 21641 350 11 1.9 -10.8 | 71 7 -7.1 -2.4 50 41 21946 130 11 -8.4 7.1 | 132 23 -17.4 15.5 51 35 22860 65 14 -12.7 -5.9 | 97 22 -21.7 2.5 52 33 23165 75 11 -10.6 -2.8 | 106 20 -19.6 5.6 53 32 23470 110 14 -13.2 4.8 | 121 26 -22.2 13.2 54 30 23774 115 20 -18.1 8.5 | 122 32 -27.1 16.9 55 30 23820 80 17 -16.7 -3.0 | 102 26 -25.7 5.5 56 29 24079 80 16 -15.8 -2.8 | 103 25 -24.8 5.7 57 27 24384 80 18 -17.7 -3.1 | 101 27 -26.7 5.3 58 26 24689 105 16 -15.5 4.1 | 117 27 -24.5 12.6 59 25 24994 70 22 -20.7 -7.5 | 92 30 -29.7 0.9 60 24 25298 90 21 -21.0 0.0 | 106 31 -30.0 8.4 61 22 25908 90 25 -25.0 0.0 | 104 35 -34.0 8.4 62 20 26440 80 28 -27.6 -4.9 | 96 37 -36.6 3.6 63 20 26518 65 28 -25.4 -11.8 | 84 35 -34.4 -3.4 64 18 26822 85 26 -25.9 -2.3 | 100 35 -34.9 6.2 Wind Parameters Mean winds (0-6000m): 283.1 at 16.4 knts Storm direction: 313.1 at 12.3 knts Shear (0-3000m) pos: 0.1 neg: 3.3 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 137.5 deg Storm rel helicity (0-3000m) pos: 5.9 neg: -82.3 tot: -76.4 m^2/s^2 ave: -25.5 10^-3 m/s^2 rel: -0.23 Storm rel vorticity (0-3000m) horiz: 10.0 stream: -2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.01 Bulk Shear: 84.06 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 63 10 102 19| 0.0 11.2 11.2| 0.0 -49.2 -49.2 -98.4 -0.73| 14.8-10.8 1000 50 11 94 18| 0.0 5.5 5.5| 0.0 -64.3 -64.3 -64.3 -0.68| 10.5 -7.1 1500 35 12 86 16| 0.0 4.2 4.2| 0.0 -74.1 -74.1 -49.4 -0.58| 10.4 -6.0 2000 20 11 81 13| 0.0 3.1 3.1| 3.3 -74.1 -70.8 -35.4 -0.33| 10.3 -3.4 2500 359 12 68 10| 0.0 3.9 3.9| 3.3 -79.9 -76.7 -30.7 -0.25| 10.8 -2.7 3000 340 13 50 6| 0.1 3.3 3.4| 5.9 -82.3 -76.4 -25.5 -0.23| 10.0 -2.3 4000 318 13 8 1| 0.1 1.4 1.5| 6.0-135.7-129.8 -32.4 -0.38| 10.3 -4.0 5000 297 13 230 4| 1.6 1.4 3.0| 92.7-135.7 -43.0 -8.6 -0.12| 10.3 -1.3 6000 283 16 236 8| 2.7 1.2 3.9|164.4-144.3 20.0 3.3 -0.02| 10.3 -0.2 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20250417.12.gif