UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 16 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 118 SFC 950 569 19.6 19.1 97 0.5 19.3 20 3 297.1 299.8 294.3 339.9 14.81 2 944 622 17.8 16.7 93 1.1 17.1 38 4 295.8 298.1 292.4 332.5 12.77 3 925 790 17.6 15.3 86 2.3 16.1 95 6 297.3 299.5 292.2 331.8 11.90 4 897 1053 16.2 13.3 83 2.9 14.3 36 11 298.5 300.4 291.7 329.8 10.76 5 883 1188 16.8 14.1 84 2.7 15.0 23 12 300.5 302.6 292.9 334.3 11.53 6 850 1513 15.2 13.9 92 1.3 14.4 360 4 302.1 304.2 293.6 337.0 11.83 7 780 2240 13.6 8.6 72 5.0 10.5 318 7 307.9 309.6 293.2 335.3 9.03 8 700 3145 8.6 2.6 66 6.0 5.2 260 18 312.0 313.3 292.4 332.6 6.61 9 666 3556 7.0 -1.0 57 8.0 2.8 268 24 314.7 315.7 292.2 331.6 5.34 10 519 5551 -8.5 -10.7 84 2.2 -9.4 250 28 319.3 319.9 291.7 330.0 3.26 11 500 5840 -9.3 -11.4 85 2.1 -10.1 260 30 321.7 322.3 292.3 332.3 3.20 12 436 6886 -15.5 -16.0 96 0.5 -15.7 276 27 326.7 327.2 293.2 335.3 2.52 13 410 7347 -18.9 -19.9 92 1.0 -19.2 281 36 328.1 328.5 293.0 334.8 1.92 14 400 7530 -20.7 -24.4 72 3.7 -21.6 285 41 328.1 328.3 292.4 332.8 1.33 15 391 7698 -22.1 -31.1 44 9.0 -23.9 288 40 328.4 328.5 292.0 331.1 0.73 16 383 7849 -23.1 -31.1 48 8.0 -24.6 283 45 329.0 329.2 292.2 331.7 0.74 17 380 7907 -23.1 -41.1 18 18.0 -25.6 281 46 329.8 329.8 291.9 330.8 0.28 18 373 8043 -23.3 -35.3 32 12.0 -25.4 280 54 331.3 331.4 292.6 333.2 0.51 19 364 8221 -23.5 -52.5 5 29.0 -26.5 280 66 333.3 333.3 292.7 333.6 0.08 20 332 8892 -24.9 -59.9 2 35.0 -27.9 280 77 340.3 340.3 294.4 340.4 0.04 21 300 9620 -30.7 -55.7 7 25.0 -32.7 275 83 342.1 342.1 294.9 342.4 0.07 22 262 10569 -37.9 -60.9 7 23.0 -39.1 270 96 345.1 345.1 295.6 345.2 0.04 23 260 10621 -38.4 -61.0 7 22.7 -39.5 270 97 345.1 345.2 295.6 345.3 0.04 24 250 10890 -40.7 -61.7 9 21.0 -41.6 270 94 345.6 345.6 295.7 345.7 0.04 25 200 12360 -53.9 -65.9 22 12.0 -54.2 275 93 347.4 347.4 296.1 347.5 0.03 26 198 12424 -54.5 -66.5 21 12.0 -54.7 275 93 347.5 347.5 296.1 347.6 0.03 27 154 13991 -66.1 -76.1 23 10.0 -66.2 274 80 353.5 353.5 297.4 353.6 0.01 28 150 14150 -66.7 -78.7 17 12.0 -66.8 275 76 355.2 355.2 297.7 355.2 0.01 29 146 14314 -66.7 -80.7 12 14.0 -66.8 277 76 357.9 357.9 298.3 358.0 0.00 30 104 16315 -78.3 -87.3 22 9.0 -78.3 265 74 372.2 372.2 300.9 372.3 0.00 31 100 16540 -76.9 -86.9 19 10.0 -76.9 255 64 379.1 379.1 302.1 379.2 0.00 32 96 16773 -77.9 -87.9 18 10.0 -77.9 255 66 381.6 381.6 302.5 381.7 0.00 33 85 17474 -73.7 -88.7 8 15.0 -73.7 249 43 403.7 403.7 305.7 403.7 0.00 34 72 18436 -75.9 -89.9 9 14.0 -75.9 298 24 418.6 418.6 307.6 418.6 0.00 35 70 18600 -72.1 -90.1 5 18.0 -72.2 295 28 430.1 430.1 308.9 430.1 0.00 36 64 19134 -68.7 -89.7 3 21.0 -68.8 273 24 448.8 448.8 310.7 448.8 0.00 37 58 19723 -70.1 -90.1 4 20.0 -70.2 218 13 458.4 458.4 311.6 458.4 0.00 38 50 20620 -64.3 -90.3 2 26.0 -64.6 320 6 492.0 492.0 314.4 492.0 0.00 39 42 21696 -59.9 -88.9 1 29.0 -60.6 294 8 528.0 528.0 316.8 528.0 0.00 40 36 22655 -60.7 -88.7 1 28.0 -61.4 89 17 549.7 549.7 318.1 549.8 0.00 41 30 23800 -56.1 -87.1 1 31.0 -57.5 85 17 591.7 591.7 320.2 591.7 0.01 42 27 24472 -54.9 -85.9 1 31.0 -56.6 81 19 613.2 613.2 321.2 613.2 0.01 TRP 104 16315 -78.3 -87.3 22 9.0 -78.3 265 74 372.2 372.2 300.9 372.3 0.00 WND 260 10621 -38.4 -61.0 7 22.7 -39.5 270 97 345.1 345.2 295.6 345.3 0.04 Sounding variables and indices 1000-500 mb thick: 5722.00 m Freezing level: 599.61 mb = 4456.77 m = 14621.76 ft Wetbulb zero: 632.55 mb = 3968.14 m = 13018.66 ft Precipitable water: 1.47 inches Sfc-500 mean rel hum: 74.68 % Est. max temperature: 28.54 C = 83.37 F Sfc-Lift cond lev (LCL): 943.32 mb = 627.59 m = 2058.98 ft T: 17.79 C 700-500 lapse rate: 6.64 C/km ThetaE index: 10.03 C Layer 944.0- 883.0 mb Conv cond level (CCL): 752.50 mb = 2540.31 m = 8334.25 ft Mean mixing ratio: 11.75 g/kg Conv temperature: 31.59 C = 88.87 F Cap Strength: 3.74 C Lifted Index: 0.41 C Risk: Showers probable Lifted Index @300 mb: 7.54 C Lifted Index @700 mb: 3.13 C Showalter Index: -1.23 C Risk: Thunderstorms probable Total Totals Index: 47.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 23.20 C K Index: 32.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 204.80 Risk: None Energy Index: -0.96 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.72 J/kg Max Up Vert Vel: 7.96 m/s Conv Inhibition (B-): 351.74 J/kg Cap Strength: 3.70 C Lift Cond Lev (LCL): 870.79 mb = 1306.69 m = 4286.99 ft Lev Free Conv (LFC): 535.79 mb = 5295.97 m = 17375.01 ft Equ Level (EL): 505.79 mb = 5750.64 m = 18866.70 ft B at Equ Level: 31.09 J/kg Max Parcel Lev (MPL): 435.79 mb = 6889.47 m = 22602.97 ft Wind level data Storm motion: 298 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 ---------------------------------------------------------- 0 950 569 20 3 -1.0 -2.8 | 105 13 -13.0 3.5 1 925 790 95 6 -6.0 0.5 | 111 19 -17.9 6.8 2 912 914 50 10 -7.7 -6.4 | 90 20 -19.6 -0.1 3 880 1219 20 12 -4.1 -11.3 | 73 17 -16.1 -5.0 4 850 1513 360 4 -0.0 -4.0 | 101 12 -12.0 2.3 5 819 1829 0 0 -0.0 -0.0 | 118 14 -12.0 6.3 6 790 2134 335 6 2.5 -5.4 | 95 9 -9.4 0.9 7 761 2438 285 10 9.7 -2.6 | 148 4 -2.3 3.7 8 734 2743 270 10 10.0 -0.0 | 163 7 -2.0 6.3 9 708 3048 275 21 20.9 -1.8 | 243 10 9.0 4.5 10 700 3145 260 18 17.7 3.1 | 211 11 5.8 9.4 11 682 3353 255 21 20.3 5.4 | 215 14 8.3 11.8 12 657 3658 275 26 25.9 -2.3 | 254 15 13.9 4.1 13 608 4267 255 25 24.1 6.5 | 224 18 12.2 12.8 14 586 4572 265 22 21.9 1.9 | 230 13 10.0 8.2 15 564 4877 245 21 19.0 8.9 | 205 17 7.1 15.2 16 543 5182 250 19 17.9 6.5 | 205 14 5.9 12.8 17 503 5791 250 34 31.9 11.6 | 228 27 20.0 17.9 18 500 5840 260 30 29.5 5.2 | 237 21 17.6 11.5 19 483 6096 280 29 28.6 -5.0 | 266 17 16.6 1.3 20 428 7010 275 27 26.9 -2.4 | 255 15 14.9 4.0 21 400 7530 285 41 39.6 -10.6 | 279 28 27.6 -4.3 22 395 7620 290 38 35.7 -13.0 | 286 25 23.7 -6.7 23 379 7925 280 47 46.3 -8.2 | 273 34 34.3 -1.8 24 363 8230 280 67 66.0 -11.6 | 276 54 54.0 -5.3 25 307 9449 280 85 83.7 -14.8 | 277 72 71.7 -8.4 26 300 9620 275 83 82.7 -7.2 | 271 71 70.7 -0.9 27 260 10621 270 97 97.0 -0.0 | 266 85 85.0 6.3 28 258 10668 270 97 97.0 -0.0 | 266 85 85.0 6.3 29 250 10890 270 94 94.0 -0.0 | 266 82 82.0 6.3 30 200 12360 275 93 92.6 -8.1 | 271 81 80.7 -1.8 31 169 13411 270 96 96.0 -0.0 | 266 84 84.0 6.3 32 150 14150 275 76 75.7 -6.6 | 270 64 63.8 -0.3 33 131 14935 285 78 75.3 -20.2 | 282 65 63.4 -13.9 34 113 15850 255 65 62.8 16.8 | 246 56 50.8 23.1 35 104 16315 265 74 73.7 6.4 | 258 63 61.8 12.8 36 101 16459 270 73 73.0 -0.0 | 264 61 61.0 6.3 37 100 16540 255 64 61.8 16.6 | 245 55 49.9 22.9 38 96 16764 255 66 63.8 17.1 | 246 57 51.8 23.4 39 87 17374 245 47 42.6 19.9 | 229 40 30.6 26.2 40 78 17983 270 24 24.0 -0.0 | 242 14 12.0 6.3 41 74 18288 310 21 16.1 -13.5 | 330 8 4.1 -7.2 42 70 18593 285 28 27.0 -7.2 | 274 15 15.1 -0.9 43 70 18600 295 28 25.4 -11.8 | 292 15 13.4 -5.5 44 67 18898 295 28 25.4 -11.8 | 292 15 13.4 -5.5 45 60 19507 240 19 16.5 9.5 | 196 16 4.5 15.8 46 57 19812 210 11 5.5 9.5 | 158 17 -6.5 15.8 47 54 20117 315 10 7.1 -7.1 | 81 5 -4.9 -0.8 48 50 20620 320 6 3.9 -4.6 | 102 8 -8.1 1.7 49 47 21031 45 13 -9.2 -9.2 | 82 21 -21.2 -2.9 50 45 21336 20 10 -3.4 -9.4 | 79 16 -15.4 -3.1 51 42 21641 325 10 5.7 -8.2 | 73 6 -6.2 -1.9 52 40 21946 180 1 0.0 1.0 | 121 14 -12.0 7.3 53 38 22250 130 11 -8.4 7.1 | 123 24 -20.4 13.4 54 37 22555 95 18 -17.9 1.6 | 105 31 -29.9 7.9 55 33 23165 60 11 -9.5 -5.5 | 92 22 -21.5 0.8 56 32 23470 80 10 -9.8 -1.7 | 102 22 -21.8 4.6 57 30 23774 85 18 -17.9 -1.6 | 99 30 -29.9 4.7 58 30 23800 85 17 -16.9 -1.5 | 99 29 -28.9 4.8 59 26 24384 80 20 -19.7 -3.5 | 95 32 -31.7 2.8 60 24 24689 100 26 -25.6 4.5 | 106 39 -37.6 10.8 Wind Parameters Mean winds (0-6000m): 267.8 at 18.0 knts Storm direction: 297.8 at 13.5 knts Shear (0-3000m) pos: 1.4 neg: 5.5 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 137.0 deg Storm rel helicity (0-3000m) pos: 88.8 neg: -81.8 tot: 7.0 m^2/s^2 ave: 2.3 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 12.0 stream: 2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.40 Bulk Shear: 79.04 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 56 7 97 18| 8.4 0.0 8.4| 7.5 -48.9 -41.5 -82.9 -0.52| 16.0 -8.3 1000 35 8 90 16| 4.2 4.4 8.6| 30.2 -57.7 -27.5 -27.5 -0.12| 14.0 -1.7 1500 30 6 95 15| 2.8 3.1 5.9| 38.3 -67.3 -29.1 -19.4 -0.12| 11.6 -1.4 2000 3 6 89 12| 2.1 4.6 6.7| 45.4 -69.5 -24.1 -12.0 0.01| 11.4 0.1 2500 324 8 89 7| 1.7 5.7 7.4| 61.6 -69.5 -7.9 -3.2 0.18| 11.5 2.0 3000 293 10 132 4| 1.4 5.5 6.9| 88.8 -81.8 7.0 2.3 0.18| 12.0 2.2 4000 276 14 202 5| 1.5 4.4 5.8|106.6-116.5 -9.9 -2.5 0.11| 11.1 1.2 5000 268 16 207 8| 0.6 3.4 4.0|131.9-142.0 -10.2 -2.0 0.08| 10.9 0.8 6000 268 18 221 9| 1.7 2.8 4.5|213.9-147.6 66.4 11.1 0.17| 11.0 1.9 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20250416.12.gif