UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 27 APR 25 Station: SBVT WMO ident: 83649 Latitude: -20.26 Longitude: -40.29 Elevation: 4.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1013 4 26.0 21.9 78 4.1 23.0 280 2 298.0 301.1 295.8 346.1 16.55 1 1000 120 24.4 21.1 82 3.3 22.1 265 2 297.5 300.4 295.2 343.7 15.95 2 957 505 20.8 20.4 98 0.4 20.5 165 7 297.7 300.6 295.3 343.9 15.96 3 925 800 19.8 17.5 87 2.3 18.2 180 10 299.6 302.1 294.3 339.7 13.73 4 850 1526 16.0 13.8 87 2.2 14.6 275 5 302.9 305.1 293.7 337.7 11.75 5 777 2287 13.4 8.4 72 5.0 10.3 230 11 308.0 309.7 293.1 335.2 8.94 6 734 2765 10.2 7.3 82 2.9 8.5 234 9 309.6 311.2 293.4 336.4 8.78 7 704 3113 9.4 -1.6 46 11.0 3.7 228 16 312.4 313.3 291.0 327.6 4.83 8 700 3160 9.6 -4.4 37 14.0 2.7 230 16 313.1 313.9 290.5 325.7 3.94 9 697 3196 9.4 0.4 53 9.0 4.5 230 16 313.3 314.4 292.0 331.1 5.66 10 687 3315 8.2 3.8 74 4.4 5.6 232 18 313.2 314.6 293.3 336.1 7.34 11 667 3559 6.6 3.7 82 2.9 4.9 235 21 314.1 315.5 293.7 337.6 7.51 12 612 4259 1.4 0.6 94 0.8 1.0 245 30 315.9 317.2 293.5 336.6 6.55 13 605 4352 2.0 -4.0 64 6.0 -1.0 243 29 317.7 318.6 292.4 332.8 4.70 14 601 4405 2.0 -1.7 76 3.7 0.1 242 29 318.3 319.4 293.4 336.3 5.63 15 598 4446 2.4 -3.6 65 6.0 -0.6 241 29 319.2 320.2 293.1 335.1 4.91 16 589 4568 2.2 -18.8 19 21.0 -5.3 239 27 320.4 320.6 290.4 325.4 1.47 17 550 5121 0.8 -47.2 1 48.0 -8.7 227 23 325.0 325.1 290.4 325.4 0.10 18 514 5661 -2.7 -50.7 1 48.0 -11.1 233 18 327.2 327.2 291.0 327.4 0.07 19 500 5880 -4.1 -51.1 1 47.0 -12.1 245 19 328.0 328.1 291.2 328.3 0.07 20 476 6265 -7.1 -30.1 14 23.0 -13.0 245 20 329.0 329.1 292.1 331.4 0.66 21 468 6396 -8.3 -14.3 62 6.0 -10.6 245 20 329.1 329.6 293.9 338.4 2.70 22 464 6463 -7.9 -15.9 53 8.0 -10.9 245 20 330.4 330.9 294.0 338.7 2.39 23 454 6631 -8.3 -28.3 18 20.0 -13.7 245 19 332.0 332.1 293.0 335.0 0.82 24 408 7450 -13.7 -21.7 51 8.0 -16.2 260 20 335.3 335.6 294.6 341.2 1.65 25 401 7581 -14.1 -27.1 32 13.0 -17.6 264 20 336.4 336.6 294.4 340.2 1.03 26 400 7600 -14.3 -26.3 35 12.0 -17.6 265 20 336.4 336.6 294.4 340.5 1.12 27 350 8596 -24.1 -28.8 65 4.7 -25.1 265 21 336.3 336.5 294.3 340.0 1.01 28 341 8786 -24.3 -46.3 11 22.0 -27.1 243 28 338.5 338.5 294.1 339.2 0.18 29 339 8829 -23.7 -59.7 2 36.0 -26.9 238 29 339.9 339.9 294.3 340.0 0.04 30 306 9569 -30.3 -56.3 6 26.0 -32.3 223 37 340.7 340.8 294.6 341.0 0.06 31 300 9710 -30.9 -57.9 5 27.0 -32.9 220 38 341.8 341.8 294.8 342.0 0.05 32 289 9974 -31.7 -61.7 4 30.0 -33.7 218 39 344.4 344.4 295.4 344.5 0.03 33 250 10980 -40.5 -54.5 21 14.0 -41.3 230 40 345.9 345.9 295.8 346.2 0.09 34 232 11485 -45.3 -57.3 25 12.0 -45.8 233 41 346.0 346.0 295.8 346.3 0.07 35 200 12460 -52.7 -66.7 17 14.0 -53.0 225 39 349.3 349.3 296.5 349.4 0.02 36 196 12590 -53.7 -69.7 12 16.0 -54.0 221 40 349.7 349.7 296.6 349.8 0.02 37 172 13413 -60.5 -68.5 34 8.0 -60.6 225 46 351.8 351.8 297.0 351.9 0.02 38 160 13858 -63.5 -75.5 18 12.0 -63.6 228 50 354.1 354.1 297.5 354.1 0.01 39 150 14250 -66.9 -71.9 49 5.0 -67.0 230 53 354.8 354.8 297.7 354.9 0.02 40 144 14495 -68.7 -72.3 60 3.6 -68.7 227 54 355.9 355.9 297.9 355.9 0.02 41 132 15010 -72.9 -79.9 34 7.0 -72.9 219 47 357.3 357.3 298.2 357.4 0.01 42 125 15327 -75.5 -81.5 38 6.0 -75.5 217 41 358.2 358.2 298.4 358.3 0.00 43 100 16600 -80.5 -84.7 49 4.2 -80.5 285 24 372.2 372.2 300.9 372.2 0.00 44 98 16714 -81.3 -85.3 51 4.0 -81.3 285 24 372.8 372.8 301.1 372.8 0.00 45 82 17724 -79.7 -88.7 21 9.0 -79.7 310 19 395.6 395.6 304.6 395.6 0.00 46 70 18640 -72.9 -88.9 7 16.0 -73.0 105 2 428.4 428.4 308.7 428.4 0.00 47 67 18898 -70.3 -89.3 5 19.0 -70.4 142 1 439.5 439.5 309.8 439.5 0.00 48 50 20650 -66.9 -88.9 3 22.0 -67.1 95 9 485.8 485.8 313.9 485.8 0.00 49 49 20772 -66.7 -89.7 3 23.0 -67.0 88 10 489.1 489.1 314.1 489.1 0.00 50 43 21566 -65.9 -88.9 3 23.0 -66.2 83 13 509.7 509.7 315.6 509.7 0.00 51 30 23820 -53.5 -83.5 1 30.0 -55.4 90 14 598.8 598.8 320.6 598.9 0.01 52 28 24264 -52.9 -83.9 1 31.0 -54.9 86 13 612.4 612.4 321.2 612.5 0.01 53 26 24742 -53.5 -83.5 1 30.0 -55.6 98 16 623.8 623.8 321.6 623.9 0.01 54 21 26135 -47.5 -81.5 1 34.0 -51.6 80 32 681.2 681.2 323.8 681.4 0.02 TRP 98 16714 -81.3 -85.3 51 4.0 -81.3 285 24 372.8 372.8 301.1 372.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5760.00 m Freezing level: 541.77 mb = 5244.22 m = 17205.23 ft Wetbulb zero: 608.53 mb = 4304.70 m = 14122.85 ft Precipitable water: 1.82 inches Sfc-500 mean rel hum: 62.36 % Est. max temperature: 30.28 C = 86.50 F Sfc-Lift cond lev (LCL): 954.52 mb = 527.22 m = 1729.70 ft T: 20.72 C 700-500 lapse rate: 5.04 C/km ThetaE index: 10.75 C Layer 704.0- 697.0 mb Conv cond level (CCL): 907.13 mb = 967.50 m = 3174.19 ft Mean mixing ratio: 15.33 g/kg Conv temperature: 28.29 C = 82.93 F Cap Strength: 2.19 C Lifted Index: 1.56 C Risk: Showers probable Lifted Index @300 mb: 1.54 C Lifted Index @700 mb: 1.08 C Showalter Index: 3.61 C Risk: None Total Totals Index: 38.00 C Risk: None Vertical Totals Index: 20.10 C Cross Totals Index: 17.90 C K Index: 19.90 Risk: < 20 % chance of thunderstorms Sweat Index: 194.60 Risk: None Energy Index: -1.67 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.62 J/kg Max Up Vert Vel: 8.44 m/s Conv Inhibition (B-): 29.77 J/kg Cap Strength: 2.16 C Lift Cond Lev (LCL): 935.36 mb = 703.30 m = 2307.40 ft Lev Free Conv (LFC): 740.36 mb = 2692.62 m = 8833.94 ft Equ Level (EL): 720.36 mb = 2921.25 m = 9584.04 ft B at Equ Level: 9.22 J/kg Max Parcel Lev (MPL): 550.36 mb = 5115.34 m = 16782.42 ft Wind level data Storm motion: 263 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 1013 4 280 2 2.0 -0.3 | 80 10 -9.6 -1.8 1 1000 120 265 2 2.0 0.2 | 83 10 -9.6 -1.2 2 979 305 145 4 -2.3 3.3 | 98 14 -13.9 1.9 3 945 610 175 9 -0.8 9.0 | 121 14 -12.4 7.5 4 925 800 180 10 0.0 10.0 | 127 14 -11.6 8.6 5 913 914 185 9 0.8 9.0 | 125 13 -10.8 7.5 6 850 1526 275 5 5.0 -0.4 | 74 7 -6.6 -1.9 7 820 1829 250 10 9.4 3.4 | 132 3 -2.2 2.0 8 791 2134 220 12 7.7 9.2 | 154 9 -3.9 7.8 9 763 2438 240 9 7.8 4.5 | 129 5 -3.8 3.1 10 736 2743 235 9 7.4 5.2 | 132 6 -4.2 3.7 11 709 3048 225 15 10.6 10.6 | 174 9 -1.0 9.2 12 700 3160 230 16 12.3 10.3 | 184 9 0.7 8.9 13 610 4267 245 30 27.2 12.7 | 234 19 15.6 11.3 14 545 5182 225 22 15.6 15.6 | 196 15 4.0 14.1 15 506 5791 235 17 13.9 9.8 | 196 9 2.3 8.3 16 500 5880 245 19 17.2 8.0 | 220 9 5.6 6.6 17 486 6096 245 20 18.1 8.5 | 223 10 6.5 7.0 18 432 7010 245 19 17.2 8.0 | 220 9 5.6 6.6 19 400 7600 265 20 19.9 1.7 | 268 8 8.3 0.3 20 399 7620 265 20 19.9 1.7 | 268 8 8.3 0.3 21 367 8230 265 20 19.9 1.7 | 268 8 8.3 0.3 22 352 8534 270 19 19.0 -0.0 | 281 8 7.4 -1.4 23 338 8839 235 30 24.6 17.2 | 219 20 13.0 15.8 24 300 9710 220 38 24.4 29.1 | 205 31 12.8 27.7 25 298 9754 215 39 22.4 31.9 | 199 32 10.8 30.5 26 250 10980 230 40 30.6 25.7 | 218 31 19.1 24.3 27 218 11887 235 41 33.6 23.5 | 225 31 22.0 22.1 28 208 12192 215 42 24.1 34.4 | 201 35 12.5 33.0 29 200 12460 225 39 27.6 27.6 | 211 31 16.0 26.2 30 199 12497 220 39 25.1 29.9 | 205 31 13.5 28.5 31 150 14250 230 53 40.6 34.1 | 222 44 29.0 32.6 32 148 14326 230 56 42.9 36.0 | 222 47 31.3 34.6 33 126 15240 215 43 24.7 35.2 | 201 36 13.1 33.8 34 108 16154 245 22 19.9 9.3 | 227 11 8.4 7.9 35 100 16600 285 24 23.2 -6.2 | 303 14 11.6 -7.6 36 98 16714 285 24 23.2 -6.2 | 303 14 11.6 -7.6 37 97 16764 290 23 21.6 -7.9 | 313 14 10.0 -9.3 38 92 17069 285 17 16.4 -4.4 | 320 8 4.8 -5.8 39 87 17374 295 17 15.4 -7.2 | 336 9 3.8 -8.6 40 83 17678 315 19 13.4 -13.4 | 353 15 1.9 -14.9 41 79 17983 290 19 17.9 -6.5 | 322 10 6.3 -7.9 42 74 18288 260 14 13.8 2.4 | 245 2 2.2 1.0 43 71 18593 275 11 11.0 -1.0 | 15 2 -0.6 -2.4 44 70 18640 105 2 -1.9 0.5 | 86 14 -13.5 -0.9 45 67 18898 140 1 -0.6 0.8 | 87 12 -12.2 -0.7 46 64 19202 260 10 9.8 1.7 | 100 2 -1.7 0.3 47 61 19507 250 10 9.4 3.4 | 132 3 -2.2 2.0 48 50 20650 95 9 -9.0 0.8 | 88 21 -20.5 -0.6 49 47 21031 75 11 -10.6 -2.8 | 79 23 -22.2 -4.3 50 45 21336 35 17 -9.8 -13.9 | 54 26 -21.3 -15.3 51 39 22250 210 1 0.5 0.9 | 87 11 -11.1 -0.6 52 37 22555 40 11 -7.1 -8.4 | 62 21 -18.7 -9.8 53 33 23165 90 11 -11.0 0.0 | 86 23 -22.6 -1.4 54 30 23774 90 11 -11.0 0.0 | 86 23 -22.6 -1.4 55 30 23820 90 14 -14.0 0.0 | 87 26 -25.6 -1.4 56 28 24079 85 13 -13.0 -1.1 | 84 25 -24.5 -2.6 57 26 24384 100 16 -15.8 2.8 | 93 27 -27.3 1.4 58 23 24994 70 18 -16.9 -6.2 | 75 29 -28.5 -7.6 59 21 25298 80 32 -31.5 -5.6 | 81 44 -43.1 -7.0 60 18 25908 95 15 -14.9 1.3 | 90 27 -26.5 -0.1 61 16 26518 65 23 -20.8 -9.7 | 71 34 -32.4 -11.1 Wind Parameters Mean winds (0-6000m): 233.0 at 15.6 knts Storm direction: 263.0 at 11.7 knts Shear (0-3000m) pos: 1.9 neg: 3.3 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 91.3 deg Storm rel helicity (0-3000m) pos: 49.7 neg: -15.6 tot: 34.1 m^2/s^2 ave: 11.4 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.33 Bulk Shear: 26.69 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 ------------------------------------------------------------------------------- 500 170 4 101 12| 0.0 8.6 8.6| 22.5 0.0 22.5 45.0 0.66| 10.8 7.1 1000 179 6 113 13| 2.4 4.3 6.7| 36.9 -1.2 35.7 35.7 0.60| 9.0 5.3 1500 191 7 116 12| 3.5 2.9 6.3| 36.9 -11.4 25.5 17.0 0.17| 9.2 1.6 2000 211 7 120 9| 2.6 3.7 6.3| 41.7 -11.4 30.3 15.1 0.27| 9.2 2.5 2500 217 8 125 8| 2.3 2.9 5.2| 41.9 -15.6 26.3 10.5 0.17| 8.6 1.5 3000 221 8 128 8| 1.9 3.3 5.2| 49.7 -15.6 34.1 11.4 0.24| 8.2 2.0 4000 228 11 153 7| 2.6 2.5 5.1| 82.5 -15.6 66.9 16.7 0.36| 7.9 2.9 5000 233 15 181 7| 2.1 2.3 4.4| 91.8 -54.6 37.1 7.4 0.21| 7.7 1.6 6000 233 16 186 8| 2.0 1.9 3.9|101.5 -63.0 38.5 6.4 0.21| 7.4 1.5 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20250427.12.gif