UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 25 APR 25 Station: SBFI WMO ident: 83827 Latitude: -25.52 Longitude: -54.58 Elevation: 243.00 ------------------------------------------------------------------------------- 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 93 SFC 983 243 18.2 18.0 99 0.2 18.1 100 8 292.8 295.2 291.9 330.6 13.32 2 977 295 18.6 17.7 95 0.9 18.0 96 8 293.7 296.1 292.0 331.2 13.15 3 925 763 17.4 15.5 89 1.9 16.1 55 9 297.1 299.3 292.3 332.0 12.06 4 899 1007 17.0 13.6 80 3.4 14.8 70 10 299.1 301.1 292.0 331.1 10.95 5 850 1484 14.6 11.8 83 2.8 12.9 120 11 301.4 303.3 292.2 331.8 10.28 6 789 2112 12.2 7.6 73 4.6 9.5 85 8 305.4 306.9 291.8 330.4 8.33 7 723 2840 7.0 7.0 100 0.0 7.0 17 5 307.4 309.0 292.7 333.9 8.73 8 700 3106 6.4 5.1 91 1.3 5.6 350 6 309.6 311.1 292.7 333.8 7.90 9 681 3332 5.4 3.7 89 1.7 4.4 302 8 310.9 312.3 292.7 333.6 7.35 10 665 3527 6.8 0.8 66 6.0 3.5 260 9 314.6 315.8 292.7 333.8 6.11 11 622 4073 2.6 -0.5 80 3.1 1.0 233 11 315.9 317.0 293.0 334.7 5.94 12 583 4596 1.0 -5.0 64 6.0 -1.9 285 12 319.9 320.8 293.0 334.6 4.53 13 533 5310 -5.5 -8.6 79 3.1 -6.9 280 19 320.4 321.2 292.4 332.7 3.75 14 525 5429 -6.5 -10.9 71 4.4 -8.3 280 22 320.6 321.2 292.0 331.1 3.17 15 504 5748 -7.3 -14.3 57 7.0 -9.9 280 28 323.4 323.9 292.2 331.9 2.51 16 500 5810 -7.7 -14.7 57 7.0 -10.4 280 29 323.7 324.1 292.2 331.9 2.45 17 459 6469 -12.1 -16.4 70 4.3 -13.6 293 23 326.2 326.6 292.8 334.1 2.31 18 437 6844 -13.1 -21.1 51 8.0 -15.6 283 27 329.5 329.8 293.1 335.2 1.63 19 400 7510 -19.1 -20.6 88 1.5 -19.6 300 48 330.2 330.5 293.5 336.7 1.86 20 394 7622 -20.1 -20.3 98 0.2 -20.1 302 50 330.3 330.7 293.6 337.1 1.93 21 387 7755 -20.9 -22.0 91 1.1 -21.2 303 52 330.9 331.3 293.6 336.9 1.70 22 383 7832 -21.1 -28.1 53 7.0 -22.7 304 54 331.7 331.9 293.1 335.2 0.99 23 380 7890 -21.1 -29.1 49 8.0 -22.9 305 55 332.4 332.6 293.2 335.7 0.91 24 377 7949 -20.5 -32.5 33 12.0 -22.9 306 56 334.0 334.1 293.4 336.4 0.66 25 371 8068 -20.9 -26.9 59 6.0 -22.4 308 58 335.0 335.2 294.1 339.1 1.14 26 349 8518 -23.1 -36.1 29 13.0 -25.4 305 65 337.9 338.0 294.3 339.8 0.50 27 334 8839 -25.7 -32.7 52 7.0 -27.0 300 62 338.6 338.8 294.7 341.4 0.73 28 309 9399 -29.1 -43.1 25 14.0 -30.9 290 62 341.5 341.5 294.9 342.6 0.27 29 300 9610 -30.9 -43.9 27 13.0 -32.4 285 66 341.8 341.9 295.0 342.9 0.26 30 286 9944 -33.7 -42.7 40 9.0 -34.7 284 65 342.5 342.6 295.2 343.8 0.31 31 271 10318 -35.5 -67.5 2 32.0 -37.0 292 69 345.2 345.2 295.6 345.3 0.02 32 251 10843 -39.9 -50.9 30 11.0 -40.6 300 73 346.3 346.4 296.0 346.9 0.14 33 250 10870 -39.9 -52.9 24 13.0 -40.8 300 73 346.7 346.8 296.0 347.2 0.11 34 246 10980 -40.5 -72.5 2 32.0 -41.6 300 74 347.5 347.5 296.1 347.5 0.01 35 213 11948 -48.7 -73.8 4 25.0 -49.2 300 86 349.3 349.3 296.5 349.3 0.01 36 200 12360 -52.3 -74.3 5 22.0 -52.7 300 81 349.9 349.9 296.6 350.0 0.01 37 189 12723 -55.3 -75.3 7 20.0 -55.6 302 78 350.8 350.8 296.8 350.9 0.01 38 185 12859 -56.3 -66.3 27 10.0 -56.5 302 77 351.4 351.4 297.0 351.5 0.03 39 180 13033 -57.7 -81.7 3 24.0 -57.9 303 76 351.8 351.8 297.0 351.8 0.00 40 160 13766 -63.3 -77.3 13 14.0 -63.4 303 71 354.4 354.4 297.6 354.5 0.01 41 150 14160 -65.7 -78.7 15 13.0 -65.8 300 68 356.9 356.9 298.1 356.9 0.01 42 128 15111 -71.3 -83.3 15 12.0 -71.3 287 66 363.4 363.4 299.4 363.4 0.00 43 111 15944 -76.1 -86.1 19 10.0 -76.1 275 64 369.5 369.5 300.5 369.5 0.00 44 101 16492 -74.3 -88.3 10 14.0 -74.3 245 61 383.1 383.1 302.8 383.1 0.00 45 100 16550 -74.1 -88.1 10 14.0 -74.2 240 61 384.6 384.6 303.0 384.6 0.00 46 83 17624 -78.3 -89.3 15 11.0 -78.3 269 27 397.0 397.0 304.8 397.1 0.00 47 78 17982 -75.1 -90.1 8 15.0 -75.2 279 35 410.8 410.8 306.6 410.8 0.00 48 76 18134 -71.3 -89.3 5 18.0 -71.4 262 31 421.8 421.8 307.9 421.8 0.00 49 70 18620 -71.1 -90.1 4 19.0 -71.2 255 16 432.3 432.3 309.1 432.3 0.00 50 59 19641 -68.7 -89.7 3 21.0 -68.9 253 18 459.3 459.3 311.7 459.3 0.00 51 50 20650 -62.1 -89.1 2 27.0 -62.6 40 5 497.1 497.1 314.8 497.2 0.00 52 48 20904 -60.3 -88.3 1 28.0 -60.9 62 11 507.3 507.3 315.5 507.3 0.00 53 45 21305 -61.9 -88.9 2 27.0 -62.4 290 15 512.8 512.8 315.8 512.9 0.00 54 37 22536 -55.1 -86.1 1 31.0 -56.4 148 6 559.8 559.8 318.6 559.9 0.01 55 30 23880 -53.7 -85.7 1 32.0 -55.5 45 8 598.2 598.2 320.5 598.3 0.01 56 29 24098 -53.1 -85.1 1 32.0 -55.1 25 11 605.7 605.7 320.9 605.8 0.01 57 24 25320 -52.5 -84.5 1 32.0 -54.9 79 11 641.2 641.2 322.3 641.2 0.01 TRP 111 15944 -76.1 -86.1 19 10.0 -76.1 275 64 369.5 369.5 300.5 369.5 0.00 WND 213 11948 -48.7 -73.8 4 25.0 -49.2 300 86 349.3 349.3 296.5 349.3 0.01 Sounding variables and indices 1000-500 mb thick: 5717.00 m Freezing level: 575.31 mb = 4705.92 m = 15439.19 ft Wetbulb zero: 609.13 mb = 4241.86 m = 13916.71 ft Precipitable water: 1.66 inches Sfc-500 mean rel hum: 79.23 % Est. max temperature: 27.87 C = 82.17 F Sfc-Lift cond lev (LCL): 980.37 mb = 265.93 m = 872.47 ft T: 18.37 C 700-500 lapse rate: 5.21 C/km ThetaE index: 1.35 C Layer 789.0- 723.0 mb Conv cond level (CCL): 829.75 mb = 1687.53 m = 5536.45 ft Mean mixing ratio: 12.05 g/kg Conv temperature: 28.08 C = 82.54 F Cap Strength: 4.14 C Lifted Index: 2.83 C Risk: None Lifted Index @300 mb: 8.40 C Lifted Index @700 mb: 1.52 C Showalter Index: 2.71 C Risk: Showers probable Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 19.50 C K Index: 32.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 192.60 Risk: None Energy Index: 0.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.14 J/kg Max Up Vert Vel: 7.23 m/s Conv Inhibition (B-): 31182.90 J/kg Cap Strength: 4.14 C Lift Cond Lev (LCL): 905.04 mb = 949.63 m = 3115.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 310 at 10 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 ---------------------------------------------------------- 0 983 243 100 8 -7.9 1.4 | 116 17 -15.3 7.5 1 976 305 95 8 -8.0 0.7 | 114 17 -15.4 6.8 2 942 610 70 12 -11.3 -4.1 | 96 19 -18.7 2.0 3 925 763 55 9 -7.4 -5.2 | 94 15 -14.8 1.0 4 909 914 65 9 -8.2 -3.8 | 98 16 -15.6 2.3 5 877 1219 80 11 -10.8 -1.9 | 103 19 -18.2 4.2 6 850 1484 120 11 -9.5 5.5 | 124 21 -16.9 11.6 7 846 1524 120 11 -9.5 5.5 | 124 21 -16.9 11.6 8 816 1829 135 13 -9.2 9.2 | 133 23 -16.6 15.3 9 786 2134 80 7 -6.9 -1.2 | 109 15 -14.3 4.9 10 758 2438 50 10 -7.7 -6.4 | 89 15 -15.1 -0.3 11 705 3048 360 3 -0.0 -3.0 | 113 8 -7.4 3.1 12 700 3106 350 6 1.0 -5.9 | 92 6 -6.4 0.2 13 654 3658 230 10 7.7 6.4 | 181 13 0.3 12.5 14 606 4267 235 11 9.0 6.3 | 187 13 1.6 12.4 15 583 4572 285 12 11.6 -3.1 | 234 5 4.2 3.0 16 562 4877 265 15 14.9 1.3 | 225 11 7.5 7.4 17 541 5182 280 17 16.7 -3.0 | 251 10 9.3 3.2 18 500 5810 280 29 28.6 -5.0 | 267 21 21.2 1.1 19 482 6096 285 27 26.1 -7.0 | 273 19 18.7 -0.9 20 463 6401 295 23 20.8 -9.7 | 285 14 13.4 -3.6 21 445 6706 285 22 21.3 -5.7 | 268 14 13.9 0.4 22 427 7010 280 33 32.5 -5.7 | 269 25 25.1 0.4 23 400 7510 300 48 41.6 -24.0 | 298 39 34.2 -17.9 24 362 8230 310 61 46.7 -39.2 | 310 51 39.3 -33.1 25 348 8534 305 65 53.2 -37.3 | 304 55 45.8 -31.2 26 320 9144 295 58 52.6 -24.5 | 292 49 45.2 -18.4 27 300 9610 285 66 63.8 -17.1 | 281 57 56.4 -11.0 28 294 9754 280 63 62.0 -10.9 | 275 55 54.6 -4.8 29 257 10668 300 73 63.2 -36.5 | 299 64 55.8 -30.4 30 250 10870 300 73 63.2 -36.5 | 299 64 55.8 -30.4 31 213 11948 300 86 74.5 -43.0 | 299 77 67.1 -36.9 32 205 12192 300 86 74.5 -43.0 | 299 77 67.1 -36.9 33 200 12360 300 81 70.1 -40.5 | 299 72 62.7 -34.4 34 169 13411 305 73 59.8 -41.9 | 304 63 52.4 -35.8 35 150 14160 300 68 58.9 -34.0 | 298 59 51.5 -27.9 36 111 15944 275 64 63.8 -5.6 | 269 56 56.4 0.5 37 107 16154 275 64 63.8 -5.6 | 269 56 56.4 0.5 38 100 16550 240 61 52.8 30.5 | 231 58 45.4 36.6 39 96 16764 240 61 52.8 30.5 | 231 58 45.4 36.6 40 87 17374 235 30 24.6 17.2 | 216 29 17.2 23.3 41 82 17678 275 27 26.9 -2.4 | 259 20 19.5 3.8 42 78 17983 280 35 34.5 -6.1 | 270 27 27.1 0.0 43 74 18288 245 28 25.4 11.8 | 225 25 18.0 18.0 44 70 18593 245 20 18.1 8.5 | 216 18 10.7 14.6 45 70 18620 255 16 15.5 4.1 | 218 13 8.1 10.3 46 67 18898 265 18 17.9 1.6 | 234 13 10.5 7.7 47 60 19507 265 21 20.9 1.8 | 240 16 13.5 8.0 48 57 19812 240 14 12.1 7.0 | 200 14 4.7 13.1 49 55 20117 245 19 17.2 8.0 | 215 17 9.8 14.1 50 52 20422 205 21 8.9 19.0 | 183 25 1.5 25.2 51 50 20650 40 5 -3.2 -3.8 | 102 11 -10.6 2.3 52 49 20726 160 10 -3.4 9.4 | 145 19 -10.8 15.5 53 47 21031 355 12 1.0 -12.0 | 47 9 -6.4 -5.8 54 45 21336 285 15 14.5 -3.9 | 252 7 7.1 2.2 55 43 21641 275 14 13.9 -1.2 | 233 8 6.5 4.9 56 41 21946 220 1 0.6 0.8 | 136 10 -6.8 6.9 57 34 23165 75 12 -11.6 -3.1 | 99 19 -19.0 3.0 58 31 23774 50 10 -7.7 -6.4 | 89 15 -15.1 -0.3 59 30 23880 45 8 -5.7 -5.7 | 92 13 -13.1 0.5 60 29 24079 15 12 -3.1 -11.6 | 62 12 -10.5 -5.5 61 21 25298 130 11 -8.4 7.1 | 130 21 -15.8 13.2 62 19 25603 155 13 -5.5 11.8 | 144 22 -12.9 17.9 Wind Parameters Mean winds (0-6000m): 279.6 at 12.8 knts Storm direction: 309.6 at 9.6 knts Shear (0-3000m) pos: 2.3 neg: 4.2 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): -11.8 deg Storm rel helicity (0-3000m) pos: 74.7 neg: -97.6 tot: -22.8 m^2/s^2 ave: -7.6 10^-3 m/s^2 rel: -0.09 Storm rel vorticity (0-3000m) horiz: 9.6 stream: -0.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.40 Bulk Shear: 65.88 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 77 10 103 18| 0.0 6.7 6.7| 0.0 -32.4 -32.4 -64.8 -0.73| 9.7 -7.1 1000 73 10 101 17| 2.5 3.3 5.9| 14.6 -32.4 -17.8 -17.8 -0.25| 7.6 -1.9 1500 88 10 108 19| 4.6 2.2 6.8| 62.4 -32.4 30.0 20.0 0.22| 8.3 1.8 2000 94 10 111 19| 3.4 4.5 8.0| 64.5 -78.3 -13.8 -6.9 -0.10| 9.5 -0.9 2500 86 10 107 18| 2.7 4.4 7.2| 66.5 -93.5 -27.0 -10.8 -0.15| 9.4 -1.4 3000 80 9 106 17| 2.3 4.2 6.5| 74.7 -97.6 -22.8 -7.6 -0.09| 9.6 -0.9 4000 95 9 113 18| 1.7 2.5 4.1| 81.7-101.6 -19.9 -5.0 -0.01| 9.1 -0.1 5000 168 10 149 19| 1.0 2.0 2.9|111.0-103.5 7.5 1.5 0.11| 9.2 1.0 6000 280 13 233 7| 0.4 2.4 2.8|142.8-103.5 39.3 6.5 0.16| 9.1 1.5 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250425.00.gif