UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for SBLO... Searching the city database file for: SBLO ... Date:1200Z 18 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 952 569 22.2 18.8 81 3.4 19.8 80 8 299.5 302.2 294.8 341.9 14.49 2 925 804 18.4 18.1 98 0.3 18.2 75 12 298.1 300.7 294.2 339.6 14.27 3 918 869 18.0 17.9 99 0.1 17.9 63 15 298.4 300.9 294.2 339.6 14.20 4 850 1530 16.8 15.1 90 1.7 15.7 345 11 303.7 306.1 294.7 341.8 12.80 5 820 1837 16.0 13.4 85 2.6 14.3 0 13 306.0 308.2 294.7 341.7 11.87 6 707 3084 8.4 5.3 81 3.1 6.6 330 6 310.9 312.4 293.2 335.3 7.93 7 700 3166 7.8 5.2 84 2.6 6.3 320 5 311.1 312.6 293.2 335.6 7.95 8 618 4181 1.0 1.0 100 0.0 1.0 222 8 314.6 315.9 293.2 335.6 6.67 9 589 4567 -1.3 -5.9 71 4.6 -3.4 243 11 316.3 317.1 291.6 329.7 4.18 10 549 5126 -2.9 -32.9 8 30.0 -10.2 210 23 320.8 320.9 289.5 322.4 0.44 11 536 5316 -4.1 -30.1 11 26.0 -10.8 214 28 321.6 321.7 289.9 323.7 0.58 12 507 5752 -7.9 -26.9 20 19.0 -13.0 227 34 322.1 322.3 290.3 325.1 0.83 13 500 5860 -8.7 -23.7 29 15.0 -13.0 230 36 322.4 322.7 290.7 326.4 1.13 14 478 6207 -11.5 -18.5 56 7.0 -13.8 239 42 323.2 323.5 291.6 329.5 1.86 15 451 6651 -12.3 -12.3 100 0.0 -12.3 258 54 327.6 328.2 294.0 338.7 3.30 16 437 6891 -13.9 -13.9 100 0.0 -13.9 258 57 328.5 329.1 294.0 338.7 2.99 17 417 7246 -14.7 -47.7 4 33.0 -19.6 254 60 331.9 331.9 292.4 332.4 0.12 18 400 7560 -17.1 -51.1 3 34.0 -21.4 250 63 332.8 332.8 292.6 333.1 0.09 19 353 8485 -23.3 -44.3 13 21.0 -26.1 246 72 336.5 336.6 293.7 337.4 0.21 20 303 9580 -32.7 -41.7 40 9.0 -33.7 250 84 338.3 338.4 294.2 339.6 0.32 21 300 9650 -33.3 -39.3 55 6.0 -34.0 250 85 338.4 338.5 294.3 340.1 0.42 22 297 9721 -34.1 -39.1 61 5.0 -34.7 250 86 338.3 338.4 294.3 340.0 0.43 23 294 9792 -34.5 -37.9 71 3.4 -35.0 250 86 338.7 338.8 294.4 340.6 0.50 24 255 10775 -41.3 -43.7 77 2.4 -41.5 267 80 342.7 342.8 295.3 344.0 0.31 25 250 10910 -42.1 -46.8 60 4.7 -42.5 270 78 343.5 343.5 295.4 344.4 0.23 26 231 11440 -46.9 -49.2 77 2.3 -47.0 275 73 344.0 344.1 295.4 344.8 0.19 27 214 11942 -51.1 -54.4 68 3.3 -51.2 280 70 345.1 345.1 295.6 345.6 0.11 28 212 12003 -50.9 -55.8 56 4.9 -51.1 281 71 346.3 346.4 295.9 346.7 0.09 29 200 12380 -54.3 -58.1 63 3.8 -54.4 285 78 346.8 346.8 296.0 347.1 0.07 30 198 12444 -55.1 -58.1 69 3.0 -55.2 285 77 346.5 346.5 295.9 346.8 0.08 31 192 12641 -56.7 -62.7 47 6.0 -56.8 284 78 347.0 347.0 296.0 347.2 0.04 32 161 13733 -66.9 -70.0 65 3.1 -67.0 266 98 347.7 347.7 296.1 347.8 0.02 33 156 13923 -67.3 -73.9 39 6.6 -67.3 260 106 350.3 350.3 296.7 350.3 0.01 34 150 14160 -67.7 -78.7 19 11.0 -67.8 255 101 353.5 353.5 297.4 353.5 0.01 35 122 15396 -67.5 -86.5 5 19.0 -67.6 250 78 375.3 375.3 301.5 375.4 0.00 36 100 16560 -76.7 -87.7 16 11.0 -76.7 260 59 379.5 379.5 302.2 379.5 0.00 37 90 17162 -78.9 -88.9 18 10.0 -78.9 245 53 386.8 386.8 303.3 386.8 0.00 38 87 17354 -79.1 -90.1 15 11.0 -79.1 245 54 390.1 390.1 303.8 390.1 0.00 39 85 17488 -74.1 -88.1 10 14.0 -74.2 245 55 402.9 402.9 305.6 402.9 0.00 40 78 17990 -72.9 -88.9 7 16.0 -73.0 225 31 415.4 415.4 307.2 415.4 0.00 41 71 18537 -74.9 -89.9 8 15.0 -75.0 277 22 422.4 422.4 308.0 422.4 0.00 42 70 18620 -73.5 -89.5 7 16.0 -73.6 260 25 427.1 427.1 308.5 427.1 0.00 43 64 19147 -73.1 -90.1 6 17.0 -73.2 269 13 439.1 439.1 309.8 439.1 0.00 44 62 19337 -66.7 -89.7 3 23.0 -66.9 272 17 457.3 457.3 311.5 457.3 0.00 45 56 19954 -67.5 -89.5 3 22.0 -67.7 275 14 469.0 469.0 312.5 469.0 0.00 46 55 20064 -64.3 -89.3 2 25.0 -64.6 282 14 478.7 478.7 313.4 478.7 0.00 47 51 20528 -63.7 -88.7 2 25.0 -64.1 288 9 490.6 490.6 314.2 490.6 0.00 48 50 20650 -64.7 -88.7 2 24.0 -65.0 325 4 491.0 491.0 314.3 491.0 0.00 49 41 21875 -59.3 -87.3 1 28.0 -60.0 87 7 533.2 533.2 317.1 533.2 0.00 50 36 22686 -60.7 -87.7 2 27.0 -61.4 110 10 549.7 549.7 318.1 549.8 0.00 51 32 23429 -54.7 -85.7 1 31.0 -56.2 98 13 584.6 584.6 319.9 584.7 0.01 52 30 23840 -55.9 -85.9 1 30.0 -57.3 65 16 592.2 592.3 320.3 592.3 0.01 53 28 24279 -56.3 -85.3 1 29.0 -57.8 61 21 602.9 602.9 320.7 603.0 0.01 TRP 90 17162 -78.9 -88.9 18 10.0 -78.9 245 53 386.8 386.8 303.3 386.8 0.00 WND 156 13923 -67.3 -73.9 39 6.6 -67.3 260 106 350.3 350.3 296.7 350.3 0.01 Sounding variables and indices 1000-500 mb thick: 5733.00 m Freezing level: 605.39 mb = 4348.85 m = 14267.71 ft Wetbulb zero: 611.38 mb = 4267.63 m = 14001.24 ft Precipitable water: 1.61 inches Sfc-500 mean rel hum: 72.30 % Est. max temperature: 29.34 C = 84.81 F Sfc-Lift cond lev (LCL): 905.78 mb = 984.40 m = 3229.60 ft T: 17.79 C 700-500 lapse rate: 6.12 C/km ThetaE index: 6.48 C Layer 820.0- 700.0 mb Conv cond level (CCL): 812.94 mb = 1909.48 m = 6264.63 ft Mean mixing ratio: 13.79 g/kg Conv temperature: 28.89 C = 84.01 F Cap Strength: 1.98 C Lifted Index: -2.22 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.37 C Lifted Index @700 mb: -0.07 C Showalter Index: -2.63 C Risk: Severe thunderstorms possible Total Totals Index: 49.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 23.80 C K Index: 38.00 Risk: > 80 % chance of thunderstorms Sweat Index: 245.20 Risk: None Energy Index: -3.02 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 221.75 J/kg Max Up Vert Vel: 21.06 m/s Conv Inhibition (B-): 73.90 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 886.84 mb = 1165.86 m = 3824.95 ft Lev Free Conv (LFC): 701.84 mb = 3144.30 m = 10315.83 ft Equ Level (EL): 421.84 mb = 7159.10 m = 23487.58 ft B at Equ Level: 219.96 J/kg Max Parcel Lev (MPL): 221.84 mb = 11705.84 m = 38404.53 ft Wind level data Storm motion: 280 at 13 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 80 8 -7.9 -1.4 | 92 21 -20.9 0.9 1 947 610 80 11 -10.8 -1.9 | 91 24 -23.8 0.3 2 925 804 75 12 -11.6 -3.1 | 88 25 -24.6 -0.8 3 913 914 55 17 -13.9 -9.8 | 74 28 -26.9 -7.5 4 881 1219 40 22 -14.1 -16.9 | 62 31 -27.1 -14.6 5 851 1524 345 11 2.8 -10.6 | 51 13 -10.2 -8.4 6 850 1530 345 11 2.8 -10.6 | 51 13 -10.2 -8.4 7 791 2134 15 15 -3.9 -14.5 | 54 21 -16.9 -12.2 8 763 2438 10 12 -2.1 -11.8 | 58 18 -15.1 -9.6 9 736 2743 10 10 -1.7 -9.8 | 63 17 -14.7 -7.6 10 700 3166 320 5 3.2 -3.8 | 81 10 -9.8 -1.6 11 684 3353 305 3 2.5 -1.7 | 93 11 -10.5 0.5 12 634 3962 225 10 7.1 7.1 | 148 11 -5.9 9.3 13 610 4267 220 7 4.5 5.4 | 132 11 -8.5 7.6 14 587 4572 245 11 10.0 4.6 | 156 8 -3.0 6.9 15 565 4877 210 11 5.5 9.5 | 148 14 -7.5 11.8 16 544 5182 210 26 13.0 22.5 | 180 25 -0.0 24.8 17 500 5860 230 36 27.6 23.1 | 210 29 14.6 25.4 18 485 6096 235 39 31.9 22.4 | 218 31 18.9 24.6 19 447 6706 260 56 55.1 9.7 | 254 44 42.1 12.0 20 400 7560 250 63 59.2 21.5 | 243 52 46.2 23.8 21 365 8230 250 70 65.8 23.9 | 244 59 52.8 26.2 22 350 8534 245 72 65.3 30.4 | 238 62 52.3 32.7 23 300 9650 250 85 79.9 29.1 | 245 74 66.9 31.3 24 283 10058 250 89 83.6 30.4 | 245 78 70.6 32.7 25 250 10910 270 78 78.0 -0.0 | 268 65 65.0 2.3 26 216 11887 280 69 68.0 -12.0 | 280 56 55.0 -9.7 27 200 12380 285 78 75.3 -20.2 | 286 65 62.3 -17.9 28 196 12497 285 77 74.4 -19.9 | 286 64 61.4 -17.7 29 169 13411 275 84 83.7 -7.3 | 274 71 70.7 -5.1 30 156 13923 260 106 104.4 18.4 | 257 94 91.4 20.7 31 154 14021 260 106 104.4 18.4 | 257 94 91.4 20.7 32 150 14160 255 101 97.6 26.1 | 251 89 84.6 28.4 33 125 15240 245 90 81.6 38.0 | 240 80 68.6 40.3 34 119 15545 255 65 62.8 16.8 | 249 53 49.8 19.1 35 107 16154 270 59 59.0 -0.0 | 267 46 46.0 2.3 36 100 16560 260 59 58.1 10.2 | 255 47 45.1 12.5 37 96 16764 260 58 57.1 10.1 | 254 46 44.1 12.3 38 91 17069 250 62 58.3 21.2 | 243 51 45.3 23.5 39 90 17162 245 53 48.0 22.4 | 235 43 35.0 24.7 40 82 17678 245 56 50.8 23.7 | 236 46 37.8 25.9 41 78 17983 225 31 21.9 21.9 | 200 26 8.9 24.2 42 74 18288 240 16 13.9 8.0 | 185 10 0.9 10.3 43 70 18593 285 23 22.2 -6.0 | 292 10 9.2 -3.7 44 70 18620 260 25 24.6 4.3 | 240 13 11.6 6.6 45 67 18898 260 28 27.6 4.9 | 244 16 14.6 7.1 46 64 19202 270 11 11.0 -0.0 | 138 3 -2.0 2.3 47 60 19507 275 23 22.9 -2.0 | 269 10 9.9 0.3 48 57 19812 265 14 13.9 1.2 | 195 4 0.9 3.5 49 55 20117 285 14 13.5 -3.6 | 339 1 0.5 -1.4 50 52 20422 255 13 12.6 3.4 | 175 6 -0.4 5.6 51 50 20650 325 4 2.3 -3.3 | 85 11 -10.7 -1.0 52 49 20726 55 1 -0.8 -0.6 | 97 14 -13.8 1.7 53 37 22555 105 10 -9.7 2.6 | 102 23 -22.7 4.8 54 35 22860 115 11 -10.0 4.6 | 107 24 -23.0 6.9 55 33 23165 80 13 -12.8 -2.3 | 90 26 -25.8 0.0 56 32 23470 100 13 -12.8 2.3 | 100 26 -25.8 4.5 57 30 23840 65 16 -14.5 -6.8 | 81 28 -27.5 -4.5 58 28 24079 60 22 -19.1 -11.0 | 75 33 -32.1 -8.7 59 26 24384 70 17 -16.0 -5.8 | 83 29 -29.0 -3.6 Wind Parameters Mean winds (0-6000m): 249.9 at 17.6 knts Storm direction: 279.9 at 13.2 knts Shear (0-3000m) pos: 1.1 neg: 3.3 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 9.8 deg Storm rel helicity (0-3000m) pos: 41.2 neg: -145.5 tot: -104.3 m^2/s^2 ave: -34.8 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 10.6 stream: -1.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.68 Bulk Shear: 131.83 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 64 14 81 26| 0.0 13.9 13.9| 0.0 -78.4 -78.4 -156.8 -0.75| 15.4-11.5 1000 45 16 70 26| 0.0 7.3 7.3| 2.2-145.1-142.9 -142.9 -0.55| 18.8-10.3 1500 32 15 64 23| 2.2 4.9 7.1| 7.1-145.5-138.4 -92.2 -0.44| 14.8 -6.5 2000 27 14 62 22| 1.7 3.4 5.0| 18.0-145.5-127.4 -63.7 -0.36| 12.2 -4.3 2500 23 13 61 21| 1.3 3.4 4.7| 28.4-145.5-117.1 -46.8 -0.25| 11.4 -2.9 3000 20 12 63 19| 1.1 3.3 4.4| 41.2-145.5-104.3 -34.8 -0.14| 10.6 -1.5 4000 9 11 60 17| 0.7 2.9 3.6| 64.1-154.3 -90.2 -22.6 -0.02| 10.1 -0.2 5000 304 13 26 5| 0.9 3.2 4.2|165.7-159.2 6.5 1.3 0.13| 11.1 1.5 6000 250 18 203 9| 3.4 2.7 6.1|414.8-159.2 255.5 42.6 0.31| 12.0 3.7 Wrote GIF file: /home/apache/climate/data/raob//SBLO/skewt/SBLO.skewt.20250418.12.gif