UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 19 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 114 SFC 950 569 21.0 21.0 100 0.0 21.0 60 3 298.5 301.5 296.0 347.1 16.70 2 925 791 18.8 18.8 100 0.0 18.8 20 6 298.5 301.2 294.8 341.9 14.93 3 868 1337 15.6 15.5 99 0.1 15.5 38 5 300.7 303.0 293.9 338.5 12.86 4 850 1516 15.0 14.2 95 0.8 14.5 45 4 301.9 304.1 293.7 337.5 12.07 5 727 2828 9.0 5.7 80 3.3 7.1 270 20 309.1 310.6 292.6 333.3 7.93 6 700 3142 7.8 5.9 88 1.9 6.6 270 26 311.1 312.7 293.5 336.9 8.35 7 668 3526 5.0 5.0 100 0.0 5.0 267 25 312.2 313.7 293.7 337.6 8.22 8 640 3874 3.6 1.7 87 1.9 2.5 270 21 314.4 315.7 293.2 335.7 6.78 9 635 3938 3.4 0.2 80 3.2 1.7 273 21 314.9 316.1 292.9 334.2 6.13 10 630 4002 4.0 -7.0 44 11.0 -1.1 273 21 316.3 317.0 291.1 327.9 3.59 11 613 4225 4.2 -12.8 28 17.0 -2.9 255 19 319.0 319.5 290.8 326.8 2.33 12 507 5732 -8.9 -14.9 62 6.0 -11.1 248 26 320.9 321.4 291.4 328.9 2.37 13 500 5840 -9.3 -20.3 40 11.0 -12.8 245 34 321.7 322.0 290.8 326.9 1.52 14 483 6108 -9.9 -39.9 7 30.0 -15.5 240 43 324.2 324.2 290.3 325.1 0.25 15 432 6967 -13.5 -39.5 9 26.0 -18.3 244 66 330.1 330.2 292.0 331.2 0.29 16 400 7550 -17.7 -43.7 8 26.0 -21.7 245 77 332.0 332.0 292.4 332.8 0.20 17 370 8125 -23.1 -39.1 22 16.0 -25.5 245 83 332.3 332.4 292.7 333.6 0.35 18 348 8572 -23.9 -36.9 29 13.0 -26.1 256 77 337.1 337.2 294.0 338.9 0.46 19 330 8956 -26.7 -29.5 77 2.8 -27.3 269 72 338.4 338.6 294.8 342.1 1.01 20 327 9022 -26.5 -29.6 75 3.1 -27.2 271 71 339.6 339.8 295.1 343.3 1.01 21 324 9088 -25.7 -35.7 39 10.0 -27.5 273 70 341.6 341.7 295.2 343.7 0.56 22 306 9499 -28.7 -52.7 8 24.0 -30.9 264 71 343.0 343.0 295.1 343.4 0.09 23 300 9640 -30.1 -53.1 9 23.0 -32.1 260 72 343.0 343.0 295.1 343.3 0.09 24 250 10910 -42.1 -56.1 20 14.0 -42.8 250 73 343.5 343.5 295.2 343.8 0.08 25 213 11966 -51.9 -56.9 55 5.0 -52.1 243 82 344.3 344.3 295.4 344.7 0.08 26 200 12370 -54.1 -62.1 37 8.0 -54.3 240 86 347.1 347.1 296.0 347.3 0.04 27 188 12765 -56.7 -65.7 31 9.0 -56.9 238 89 349.1 349.1 296.5 349.2 0.03 28 165 13579 -63.1 -72.1 29 9.0 -63.1 235 95 351.7 351.7 297.0 351.8 0.01 29 155 13961 -66.1 -75.1 27 9.0 -66.2 235 89 352.9 352.9 297.3 352.9 0.01 30 150 14160 -66.3 -79.3 15 13.0 -66.4 235 84 355.9 355.9 297.9 355.9 0.00 31 115 15743 -72.9 -85.9 12 13.0 -72.9 252 77 371.7 371.7 300.9 371.7 0.00 32 114 15794 -73.1 -86.1 12 13.0 -73.2 251 78 372.3 372.3 300.9 372.3 0.00 33 100 16560 -74.1 -89.1 8 15.0 -74.2 225 72 384.6 384.6 303.0 384.6 0.00 34 85 17505 -74.3 -88.3 10 14.0 -74.3 227 35 402.4 402.5 305.5 402.5 0.00 35 72 18459 -79.1 -90.1 15 11.0 -79.1 265 27 411.8 411.8 306.7 411.8 0.00 36 70 18620 -75.7 -89.7 9 14.0 -75.7 235 17 422.4 422.4 308.0 422.4 0.00 37 67 18877 -70.5 -89.5 4 19.0 -70.6 235 20 439.0 439.0 309.8 439.0 0.00 38 58 19736 -69.5 -89.5 4 20.0 -69.6 221 5 459.8 459.8 311.7 459.8 0.00 39 52 20398 -62.7 -88.7 2 26.0 -63.1 141 7 490.2 490.2 314.2 490.2 0.00 40 50 20640 -63.1 -88.1 2 25.0 -63.5 110 8 494.8 494.8 314.6 494.8 0.00 41 48 20892 -63.7 -88.7 2 25.0 -64.1 112 9 499.2 499.2 314.9 499.2 0.00 42 30 23840 -56.3 -86.3 1 30.0 -57.7 80 25 591.2 591.2 320.2 591.2 0.01 43 25 25009 -52.1 -84.1 1 32.0 -54.5 90 27 634.9 634.9 322.1 635.0 0.01 TRP 72 18459 -79.1 -90.1 15 11.0 -79.1 265 27 411.8 411.8 306.7 411.8 0.00 WND 165 13579 -63.1 -72.1 29 9.0 -63.1 235 95 351.7 351.7 297.0 351.8 0.01 Sounding variables and indices 1000-500 mb thick: 5726.00 m Freezing level: 579.02 mb = 4707.94 m = 15445.81 ft Wetbulb zero: 631.99 mb = 3976.51 m = 13046.13 ft Precipitable water: 1.50 inches Sfc-500 mean rel hum: 74.18 % Est. max temperature: 27.07 C = 80.73 F Sfc-Lift cond lev (LCL): 950.34 mb = 565.84 m = 1856.42 ft T: -9999.00 C 700-500 lapse rate: 6.34 C/km ThetaE index: 13.74 C Layer 925.0- 700.0 mb Conv cond level (CCL): 901.62 mb = 1010.87 m = 3316.45 ft Mean mixing ratio: 14.09 g/kg Conv temperature: 21.89 C = 71.40 F Cap Strength: 1.66 C Lifted Index: -2.87 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 3.45 C Lifted Index @700 mb: -0.13 C Showalter Index: -1.47 C Risk: Thunderstorms probable Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 23.50 C K Index: 36.60 Risk: > 80 % chance of thunderstorms Sweat Index: 212.40 Risk: None Energy Index: -2.07 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 220.11 J/kg Max Up Vert Vel: 20.98 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 1.47 C Lift Cond Lev (LCL): 898.50 mb = 1040.61 m = 3414.05 ft Lev Free Conv (LFC): 893.50 mb = 1088.54 m = 3571.28 ft Equ Level (EL): 623.50 mb = 4086.35 m = 13406.50 ft B at Equ Level: 59.92 J/kg Max Parcel Lev (MPL): 273.50 mb = 10284.10 m = 33740.08 ft Wind level data Storm motion: 284 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 60 3 -2.6 -1.5 | 96 16 -16.3 1.8 1 925 791 20 6 -2.1 -5.6 | 82 16 -15.7 -2.3 2 912 914 20 6 -2.1 -5.6 | 82 16 -15.7 -2.3 3 850 1516 45 4 -2.8 -2.8 | 92 16 -16.5 0.5 4 819 1829 25 1 -0.4 -0.9 | 100 14 -14.1 2.4 5 790 2134 285 4 3.9 -1.0 | 103 10 -9.8 2.3 6 761 2438 295 6 5.4 -2.5 | 96 8 -8.2 0.8 7 734 2743 270 18 18.0 -0.0 | 232 5 4.3 3.3 8 700 3142 270 26 26.0 -0.0 | 255 13 12.3 3.3 9 682 3353 275 28 27.9 -2.4 | 266 14 14.2 0.9 10 656 3658 260 22 21.7 3.8 | 228 11 8.0 7.2 11 632 3962 275 21 20.9 -1.8 | 258 7 7.3 1.5 12 608 4267 250 19 17.9 6.5 | 203 11 4.2 9.8 13 564 4877 225 18 12.7 12.7 | 177 16 -0.9 16.1 14 543 5182 235 17 13.9 9.8 | 181 13 0.3 13.1 15 503 5791 250 27 25.4 9.2 | 223 17 11.7 12.6 16 500 5840 245 34 30.8 14.4 | 224 25 17.2 17.7 17 484 6096 240 43 37.2 21.5 | 224 34 23.6 24.8 18 412 7315 245 76 68.9 32.1 | 237 66 55.2 35.5 19 400 7550 245 77 69.8 32.5 | 237 67 56.1 35.9 20 380 7925 245 84 76.1 35.5 | 238 74 62.5 38.8 21 364 8230 245 82 74.3 34.7 | 238 72 60.7 38.0 22 321 9144 275 69 68.7 -6.0 | 273 55 55.1 -2.7 23 300 9640 260 72 70.9 12.5 | 255 59 57.2 15.8 24 259 10668 255 66 63.8 17.1 | 248 54 50.1 20.4 25 250 10910 250 73 68.6 25.0 | 243 62 54.9 28.3 26 248 10973 250 72 67.7 24.6 | 243 61 54.0 28.0 27 200 12370 240 86 74.5 43.0 | 233 76 60.8 46.3 28 165 13579 235 95 77.8 54.5 | 228 86 64.2 57.8 29 161 13716 235 95 77.8 54.5 | 228 86 64.2 57.8 30 150 14160 235 84 68.8 48.2 | 227 75 55.1 51.5 31 132 14935 250 70 65.8 23.9 | 242 59 52.1 27.3 32 125 15240 260 74 72.9 12.8 | 255 61 59.2 16.2 33 102 16459 240 82 71.0 41.0 | 232 72 57.4 44.3 34 100 16560 225 72 50.9 50.9 | 214 66 37.2 54.2 35 97 16764 230 73 55.9 46.9 | 220 66 42.3 50.3 36 87 17374 215 40 22.9 32.8 | 194 37 9.3 36.1 37 82 17678 245 27 24.5 11.4 | 216 18 10.8 14.7 38 78 17983 250 30 28.2 10.3 | 227 20 14.5 13.6 39 74 18288 275 27 26.9 -2.4 | 266 13 13.2 1.0 40 72 18459 265 27 26.9 2.4 | 247 14 13.2 5.7 41 70 18593 270 28 28.0 -0.0 | 257 15 14.3 3.3 42 70 18620 235 17 13.9 9.8 | 181 13 0.3 13.1 43 67 18898 235 20 16.4 11.5 | 190 15 2.7 14.8 44 57 19812 220 4 2.6 3.1 | 120 13 -11.1 6.4 45 50 20640 110 8 -7.5 2.7 | 106 22 -21.2 6.1 46 45 21336 115 11 -10.0 4.6 | 109 25 -23.6 8.0 47 43 21641 60 10 -8.7 -5.0 | 86 22 -22.3 -1.7 48 41 21946 55 18 -14.7 -10.3 | 76 29 -28.4 -7.0 49 39 22250 35 11 -6.3 -9.0 | 74 21 -20.0 -5.7 50 37 22555 40 3 -1.9 -2.3 | 94 16 -15.6 1.0 51 35 22860 100 11 -10.8 1.9 | 102 25 -24.5 5.2 52 33 23165 90 12 -12.0 0.0 | 97 26 -25.7 3.3 53 32 23470 120 18 -15.6 9.0 | 113 32 -29.3 12.3 54 30 23774 95 26 -25.9 2.3 | 98 40 -39.6 5.6 55 30 23840 80 25 -24.6 -4.3 | 88 38 -38.3 -1.0 56 28 24079 90 27 -27.0 0.0 | 95 41 -40.7 3.3 57 23 24994 90 27 -27.0 0.0 | 95 41 -40.7 3.3 58 21 25298 75 26 -25.1 -6.7 | 85 39 -38.8 -3.4 Wind Parameters Mean winds (0-6000m): 253.7 at 18.8 knts Storm direction: 283.7 at 14.1 knts Shear (0-3000m) pos: 0.4 neg: 4.5 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 143.9 deg Storm rel helicity (0-3000m) pos: 41.1 neg: -41.3 tot: -0.2 m^2/s^2 ave: -0.1 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 1.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 3.25 Bulk Shear: 67.64 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 26 5 85 16| 0.0 3.5 3.5| 3.3 -18.2 -14.9 -29.9 -0.67| 5.3 -3.5 1000 30 5 87 16| 1.2 1.8 2.9| 13.4 -18.2 -4.8 -4.8 -0.14| 4.0 -0.6 1500 26 4 89 15| 0.8 2.0 2.8| 20.5 -20.8 -0.3 -0.2 0.00| 4.6 0.0 2000 357 4 85 13| 0.6 3.5 4.1| 23.9 -23.5 0.4 0.2 0.02| 5.7 0.1 2500 301 7 87 7| 0.5 5.6 6.0| 31.8 -23.5 8.3 3.3 0.25| 7.7 1.9 3000 285 11 101 3| 0.4 4.5 4.9| 41.1 -41.3 -0.2 -0.1 0.14| 8.1 1.1 4000 273 13 168 3| 0.4 3.1 3.5| 51.1 -75.5 -24.4 -6.1 -0.03| 8.7 -0.3 5000 261 14 185 5| 0.4 2.3 2.7| 80.7 -87.0 -6.3 -1.3 0.03| 8.4 0.3 6000 254 19 207 10| 1.5 3.5 5.1|149.4 -89.2 60.3 10.0 0.10| 10.0 1.0 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20250419.12.gif