UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 20 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 127 SFC 951 569 21.2 18.2 83 3.0 19.1 110 6 298.6 301.1 294.1 339.2 13.96 2 945 623 19.8 17.4 86 2.4 18.2 114 10 297.7 300.1 293.4 336.4 13.35 3 925 804 18.6 16.1 85 2.5 17.0 95 13 298.3 300.6 293.0 334.8 12.54 4 860 1426 14.4 14.0 97 0.4 14.1 66 15 300.2 302.4 293.0 334.7 11.77 5 850 1525 15.6 13.3 86 2.3 14.1 60 16 302.5 304.6 293.3 336.1 11.37 6 847 1555 15.8 13.5 86 2.3 14.3 59 16 303.0 305.1 293.6 337.3 11.56 7 768 2382 10.2 10.0 99 0.2 10.1 6 3 305.6 307.4 293.3 335.9 10.09 8 700 3153 8.0 1.0 61 7.0 4.2 200 10 311.3 312.5 291.6 329.7 5.89 9 691 3259 7.6 -1.4 53 9.0 2.9 203 12 312.1 313.0 291.1 327.7 5.00 10 675 3452 8.2 -11.8 23 20.0 -0.3 214 13 314.8 315.3 289.5 322.3 2.29 11 639 3901 6.8 -25.2 8 32.0 -3.4 233 14 318.2 318.4 289.0 320.9 0.77 12 522 5530 -2.1 -35.1 6 33.0 -10.1 253 30 326.4 326.5 291.1 327.8 0.37 13 500 5870 -4.7 -37.7 6 33.0 -12.0 250 34 327.3 327.4 291.3 328.4 0.30 14 441 6844 -13.1 -26.1 33 13.0 -16.6 247 38 328.7 328.9 292.3 332.4 1.03 15 400 7580 -18.7 -34.7 23 16.0 -21.7 245 39 330.7 330.8 292.4 332.6 0.50 16 389 7788 -20.5 -35.5 25 15.0 -23.2 245 39 331.0 331.1 292.4 332.8 0.48 17 359 8378 -24.9 -37.9 29 13.0 -26.9 233 49 332.8 332.8 292.9 334.3 0.41 18 320 9210 -28.3 -49.3 12 21.0 -30.4 241 63 339.2 339.2 294.3 339.7 0.13 19 300 9670 -32.1 -47.1 21 15.0 -33.6 240 70 340.1 340.2 294.6 340.9 0.18 20 250 10930 -40.7 -60.7 10 20.0 -41.6 260 67 345.6 345.6 295.7 345.7 0.04 21 221 11757 -46.5 -65.5 10 19.0 -47.1 256 69 349.0 349.0 296.4 349.1 0.03 22 200 12410 -52.5 -65.5 19 13.0 -52.8 250 71 349.6 349.6 296.5 349.8 0.03 23 181 13046 -58.5 -65.5 40 7.0 -58.6 243 75 350.0 350.0 296.7 350.1 0.03 24 166 13583 -63.5 -65.4 78 1.9 -63.6 237 78 350.4 350.4 296.7 350.5 0.03 25 165 13620 -64.1 -66.8 69 2.7 -64.1 237 78 350.0 350.0 296.7 350.1 0.03 26 161 13770 -64.6 -70.4 44 5.8 -64.7 235 79 351.6 351.6 297.0 351.7 0.02 27 151 14160 -65.9 -79.9 12 14.0 -66.0 247 72 355.9 355.9 297.9 355.9 0.00 28 150 14200 -65.9 -79.9 12 14.0 -66.0 250 70 356.6 356.6 298.0 356.6 0.00 29 146 14365 -64.9 -84.9 5 20.0 -65.0 251 69 361.1 361.1 298.9 361.1 0.00 30 105 16311 -78.7 -87.7 22 9.0 -78.7 255 55 370.5 370.5 300.7 370.5 0.00 31 101 16533 -78.1 -88.1 18 10.0 -78.1 266 44 375.8 375.8 301.5 375.8 0.00 32 100 16590 -78.1 -88.1 18 10.0 -78.1 275 38 376.8 376.8 301.7 376.8 0.00 33 91 17124 -80.3 -88.3 25 8.0 -80.3 285 40 382.8 382.8 302.7 382.8 0.00 34 80 17852 -79.3 -89.3 18 10.0 -79.3 278 37 399.2 399.2 305.1 399.2 0.00 35 75 18221 -75.1 -89.1 10 14.0 -75.2 260 17 415.4 415.4 307.2 415.4 0.00 36 70 18620 -75.9 -89.9 9 14.0 -75.9 285 20 422.0 422.0 307.9 422.0 0.00 37 60 19534 -65.5 -89.5 2 24.0 -65.7 152 4 464.3 464.3 312.1 464.3 0.00 38 57 19845 -66.5 -89.5 3 23.0 -66.7 7 20 468.9 468.9 312.5 468.9 0.00 39 53 20290 -62.3 -89.3 2 27.0 -62.7 335 14 488.5 488.5 314.1 488.5 0.00 40 50 20650 -62.3 -88.3 2 26.0 -62.7 70 9 496.7 496.7 314.7 496.7 0.00 41 49 20774 -62.7 -88.7 2 26.0 -63.1 69 4 498.6 498.6 314.8 498.6 0.00 42 36 22699 -56.1 -86.1 1 30.0 -57.3 82 11 561.6 561.6 318.7 561.7 0.01 43 31 23643 -58.1 -86.1 2 28.0 -59.2 94 13 580.8 580.8 319.7 580.8 0.01 44 30 23850 -57.1 -86.1 1 29.0 -58.3 110 9 589.0 589.0 320.1 589.0 0.01 45 25 25013 -53.7 -84.7 1 31.0 -55.8 122 9 630.3 630.3 321.9 630.4 0.01 46 23 25548 -54.7 -84.7 1 30.0 -56.7 105 10 642.5 642.5 322.4 642.6 0.01 47 21 26136 -50.1 -83.1 1 33.0 -53.4 90 14 673.4 673.4 323.6 673.5 0.02 TRP 91 17124 -80.3 -88.3 25 8.0 -80.3 285 40 382.8 382.8 302.7 382.8 0.00 WND 161 13770 -64.6 -70.4 44 5.8 -64.7 235 79 351.6 351.6 297.0 351.7 0.02 Sounding variables and indices 1000-500 mb thick: 5743.00 m Freezing level: 549.61 mb = 5145.97 m = 16882.89 ft Wetbulb zero: 676.36 mb = 3435.22 m = 11270.27 ft Precipitable water: 1.20 inches Sfc-500 mean rel hum: 48.22 % Est. max temperature: 26.98 C = 80.57 F Sfc-Lift cond lev (LCL): 910.07 mb = 942.81 m = 3093.18 ft T: 17.66 C 700-500 lapse rate: 4.67 C/km ThetaE index: 16.39 C Layer 768.0- 522.0 mb Conv cond level (CCL): 866.73 mb = 1359.23 m = 4459.37 ft Mean mixing ratio: 12.34 g/kg Conv temperature: 22.59 C = 72.67 F Cap Strength: 4.68 C Lifted Index: 4.13 C Risk: None Lifted Index @300 mb: 4.91 C Lifted Index @700 mb: 1.89 C Showalter Index: 3.72 C Risk: None Total Totals Index: 38.30 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 18.00 C K Index: 26.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 225.60 Risk: None Energy Index: -1.38 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.72 J/kg Max Up Vert Vel: 4.63 m/s Conv Inhibition (B-): 26400.76 J/kg Cap Strength: 4.64 C Lift Cond Lev (LCL): 877.81 mb = 1250.86 m = 4103.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 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 ---------------------------------------------------------- 0 951 569 110 6 -5.6 2.1 | 97 20 -19.4 2.5 1 946 610 115 10 -9.1 4.2 | 102 23 -22.8 4.7 2 925 804 95 13 -13.0 1.1 | 93 27 -26.7 1.6 3 913 914 75 18 -17.4 -4.7 | 82 31 -31.1 -4.2 4 881 1219 80 23 -22.7 -4.0 | 84 37 -36.4 -3.5 5 850 1524 60 11 -9.5 -5.5 | 78 24 -23.3 -5.0 6 850 1525 60 16 -13.9 -8.0 | 75 29 -27.6 -7.5 7 790 2134 30 6 -3.0 -5.2 | 74 17 -16.7 -4.7 8 762 2438 360 2 -0.0 -2.0 | 84 14 -13.7 -1.5 9 735 2743 195 10 2.6 9.7 | 132 15 -11.2 10.1 10 700 3153 200 10 3.4 9.4 | 134 14 -10.3 9.9 11 683 3353 205 13 5.5 11.8 | 146 15 -8.3 12.2 12 658 3658 235 14 11.5 8.0 | 165 9 -2.3 8.5 13 610 4267 230 14 10.7 9.0 | 162 10 -3.0 9.5 14 587 4572 260 20 19.7 3.5 | 237 7 5.9 3.9 15 500 5870 250 34 31.9 11.6 | 236 22 18.2 12.1 16 485 6096 250 34 31.9 11.6 | 236 22 18.2 12.1 17 414 7315 245 41 37.2 17.3 | 233 29 23.4 17.8 18 400 7580 245 39 35.3 16.5 | 232 27 21.6 16.9 19 381 7925 245 39 35.3 16.5 | 232 27 21.6 16.9 20 366 8230 235 45 36.9 25.8 | 221 35 23.1 26.3 21 351 8534 230 53 40.6 34.1 | 218 44 26.9 34.5 22 309 9449 245 67 60.7 28.3 | 239 55 47.0 28.8 23 300 9670 240 70 60.6 35.0 | 233 59 46.9 35.5 24 284 10058 240 73 63.2 36.5 | 233 62 49.5 37.0 25 250 10930 260 67 66.0 11.6 | 257 54 52.2 12.1 26 237 11278 260 67 66.0 11.6 | 257 54 52.2 12.1 27 200 12410 250 71 66.7 24.3 | 245 58 53.0 24.7 28 161 13770 235 79 64.7 45.3 | 228 68 51.0 45.8 29 154 14021 235 79 64.7 45.3 | 228 68 51.0 45.8 30 150 14200 250 70 65.8 23.9 | 245 57 52.0 24.4 31 132 14935 255 64 61.8 16.6 | 251 51 48.1 17.0 32 113 15850 255 66 63.8 17.1 | 251 53 50.0 17.5 33 102 16459 255 51 49.3 13.2 | 249 38 35.5 13.7 34 100 16590 275 38 37.9 -3.3 | 277 24 24.1 -2.9 35 97 16764 275 38 37.9 -3.3 | 277 24 24.1 -2.9 36 92 17069 300 38 32.9 -19.0 | 314 27 19.2 -18.5 37 91 17124 285 40 38.6 -10.4 | 292 27 24.9 -9.9 38 83 17678 275 42 41.8 -3.7 | 277 28 28.1 -3.2 39 78 17983 280 33 32.5 -5.7 | 286 19 18.8 -5.3 40 74 18288 255 13 12.6 3.4 | 163 4 -1.2 3.8 41 70 18593 310 10 7.7 -6.4 | 46 9 -6.1 -6.0 42 70 18620 285 20 19.3 -5.2 | 310 7 5.6 -4.7 43 67 18898 290 20 18.8 -6.8 | 322 8 5.0 -6.4 44 64 19202 260 11 10.8 1.9 | 129 4 -2.9 2.4 45 60 19507 175 1 -0.1 1.0 | 96 14 -13.8 1.5 46 57 19812 10 20 -3.5 -19.7 | 42 26 -17.2 -19.2 47 55 20117 350 18 3.1 -17.7 | 32 20 -10.6 -17.3 48 52 20422 325 11 6.3 -9.0 | 41 11 -7.4 -8.6 49 50 20650 70 9 -8.5 -3.1 | 83 22 -22.2 -2.6 50 49 20726 70 3 -2.8 -1.0 | 88 17 -16.6 -0.6 51 47 21031 65 11 -10.0 -4.6 | 80 24 -23.7 -4.2 52 43 21641 80 11 -10.8 -1.9 | 87 25 -24.6 -1.5 53 41 21946 35 14 -8.0 -11.5 | 63 24 -21.8 -11.0 54 33 23165 110 10 -9.4 3.4 | 100 23 -23.1 3.9 55 30 23774 90 14 -14.0 0.0 | 91 28 -27.7 0.5 56 30 23850 110 9 -8.5 3.1 | 99 22 -22.2 3.5 57 28 24079 85 12 -12.0 -1.0 | 89 26 -25.7 -0.6 58 26 24384 135 11 -7.8 7.8 | 111 23 -21.5 8.2 59 24 24689 115 8 -7.3 3.4 | 100 21 -21.0 3.8 60 21 25298 90 14 -14.0 0.0 | 91 28 -27.7 0.5 61 19 25603 85 26 -25.9 -2.3 | 87 40 -39.6 -1.8 62 17 26213 60 24 -20.8 -12.0 | 72 36 -34.5 -11.5 63 15 26518 55 24 -19.7 -13.8 | 68 36 -33.4 -13.3 Wind Parameters Mean winds (0-6000m): 241.9 at 18.3 knts Storm direction: 271.9 at 13.8 knts Shear (0-3000m) pos: 1.1 neg: 2.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 61.5 deg Storm rel helicity (0-3000m) pos: 65.2 neg: -111.3 tot: -46.0 m^2/s^2 ave: -15.3 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 135.29 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 88 14 90 28| 0.0 16.3 16.3| 7.9 -61.1 -53.3 -106.5 -0.39| 18.6 -7.3 1000 80 16 86 30| 0.0 6.4 6.4| 12.1-102.8 -90.7 -90.7 -0.36| 16.8 -6.1 1500 73 15 82 28| 0.0 2.8 2.8| 15.0-111.3 -96.3 -64.2 -0.30| 14.5 -4.3 2000 69 12 81 25| 0.0 2.9 2.9| 24.1-111.3 -87.1 -43.6 -0.20| 13.5 -2.6 2500 81 11 87 25| 0.0 2.4 2.4| 43.5-111.3 -67.8 -27.1 -0.03| 13.6 -0.4 3000 98 12 95 25| 1.1 2.0 3.1| 65.2-111.3 -46.0 -15.3 0.06| 12.8 0.7 4000 162 12 125 21| 2.2 1.5 3.7| 88.6-112.2 -23.7 -5.9 0.17| 11.4 1.9 5000 232 15 169 10| 1.8 2.3 4.1| 89.7-113.8 -24.1 -4.8 0.15| 10.2 1.6 6000 242 18 195 9| 1.5 2.5 4.0| 89.7-119.7 -30.0 -5.0 0.13| 9.1 1.2 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20250420.12.gif