UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 16 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 117 SFC 986 243 21.0 21.0 100 0.0 21.0 70 3 295.3 298.2 294.7 341.5 16.08 2 925 791 18.2 16.7 91 1.5 17.2 25 7 297.9 300.3 293.3 335.8 13.04 3 850 1517 15.4 13.7 90 1.7 14.3 55 10 302.3 304.4 293.5 336.8 11.67 4 781 2233 12.6 7.8 73 4.8 9.7 80 4 306.7 308.3 292.4 332.5 8.53 5 700 3142 5.4 2.9 84 2.5 4.0 215 5 308.5 309.7 291.5 329.2 6.75 6 698 3165 5.2 2.8 84 2.4 3.9 217 6 308.5 309.8 291.5 329.1 6.72 7 686 3308 7.8 -22.2 10 30.0 -2.2 226 9 312.9 313.1 287.5 316.1 0.94 8 586 4584 -2.1 -28.1 12 26.0 -9.1 228 12 315.8 315.9 288.1 318.1 0.65 9 537 5274 -5.3 -39.3 5 34.0 -12.1 239 15 320.0 320.0 289.0 320.9 0.24 10 500 5830 -9.7 -36.7 9 27.0 -15.1 225 15 321.2 321.3 289.5 322.4 0.33 11 491 5970 -10.7 -36.7 10 26.0 -15.8 228 17 321.7 321.7 289.6 322.9 0.34 12 400 7510 -21.3 -55.3 3 34.0 -24.6 250 22 327.3 327.3 291.0 327.5 0.05 13 372 8041 -25.5 -58.5 3 33.0 -28.1 263 23 328.6 328.6 291.3 328.8 0.04 14 300 9570 -35.5 -64.5 4 29.0 -36.9 265 40 335.3 335.3 293.2 335.4 0.02 15 274 10196 -39.1 -67.1 4 28.0 -40.2 273 58 338.9 338.9 294.1 339.0 0.02 16 265 10424 -39.7 -68.7 3 29.0 -40.8 271 67 341.3 341.3 294.7 341.4 0.01 17 250 10820 -42.9 -66.9 5 24.0 -43.7 265 84 342.3 342.3 294.9 342.4 0.02 18 224 11552 -48.0 -69.6 7 21.5 -48.6 265 98 345.4 345.4 295.6 345.4 0.01 19 200 12290 -53.3 -72.3 8 19.0 -53.6 265 88 348.4 348.4 296.3 348.4 0.01 20 192 12552 -55.5 -73.5 9 18.0 -55.8 266 88 348.9 348.9 296.4 349.0 0.01 21 152 14009 -65.5 -78.5 15 13.0 -65.6 275 90 355.9 355.9 297.9 355.9 0.01 22 150 14090 -65.5 -79.5 13 14.0 -65.6 275 90 357.2 357.2 298.1 357.3 0.00 23 106 16150 -75.5 -85.5 19 10.0 -75.5 265 74 375.5 375.5 301.5 375.6 0.00 24 101 16432 -72.5 -88.5 7 16.0 -72.6 257 65 386.5 386.5 303.3 386.6 0.00 25 100 16490 -72.3 -88.3 7 16.0 -72.3 255 63 388.0 388.0 303.5 388.0 0.00 26 72 18424 -73.1 -89.1 7 16.0 -73.2 260 33 424.6 424.6 308.2 424.6 0.00 27 70 18590 -71.7 -89.7 5 18.0 -71.8 260 26 431.0 431.0 308.9 431.0 0.00 28 56 19929 -64.7 -89.7 2 25.0 -65.0 291 10 475.4 475.4 313.1 475.4 0.00 29 53 20264 -66.1 -89.1 3 23.0 -66.4 321 10 479.7 479.7 313.4 479.7 0.00 30 50 20620 -62.9 -88.9 2 26.0 -63.3 275 10 495.3 495.3 314.6 495.3 0.00 31 47 21004 -59.9 -87.9 1 28.0 -60.5 277 10 511.3 511.3 315.7 511.3 0.00 32 42 21702 -62.1 -88.1 2 26.0 -62.6 353 6 522.6 522.6 316.5 522.6 0.00 33 30 23820 -54.3 -85.3 1 31.0 -56.0 75 11 596.6 596.6 320.5 596.7 0.01 34 26 24740 -53.1 -84.1 1 31.0 -55.2 114 12 624.9 624.9 321.7 625.0 0.01 35 25 24992 -53.5 -84.5 1 31.0 -55.6 107 13 630.8 630.8 321.9 630.9 0.01 TRP 106 16150 -75.5 -85.5 19 10.0 -75.5 265 74 375.5 375.5 301.5 375.6 0.00 WND 224 11552 -48.0 -69.6 7 21.5 -48.6 265 98 345.4 345.4 295.6 345.4 0.01 Sounding variables and indices 1000-500 mb thick: 5713.00 m Freezing level: 607.21 mb = 4312.89 m = 14149.72 ft Wetbulb zero: 690.35 mb = 3255.86 m = 10681.83 ft Precipitable water: 1.31 inches Sfc-500 mean rel hum: 48.78 % Est. max temperature: 28.77 C = 83.79 F Sfc-Lift cond lev (LCL): 986.35 mb = 239.82 m = 786.80 ft T: -9999.00 C 700-500 lapse rate: 5.62 C/km ThetaE index: 20.70 C Layer 781.0- 586.0 mb Conv cond level (CCL): 893.36 mb = 1089.83 m = 3575.51 ft Mean mixing ratio: 13.80 g/kg Conv temperature: 25.35 C = 77.64 F Cap Strength: 1.69 C Lifted Index: -1.93 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.02 C Lifted Index @700 mb: -1.53 C Showalter Index: -1.58 C Risk: Thunderstorms probable Total Totals Index: 48.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 23.40 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 199.40 Risk: None Energy Index: -2.77 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 381.29 J/kg Max Up Vert Vel: 27.61 m/s Conv Inhibition (B-): 53.10 J/kg Cap Strength: 1.56 C Lift Cond Lev (LCL): 921.41 mb = 824.41 m = 2704.73 ft Lev Free Conv (LFC): 736.41 mb = 2720.96 m = 8926.93 ft Equ Level (EL): 686.41 mb = 3302.81 m = 10835.85 ft B at Equ Level: 28.77 J/kg Max Parcel Lev (MPL): 206.41 mb = 12084.62 m = 39647.21 ft Wind level data Storm motion: 257 at 7 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 ---------------------------------------------------------- 0 986 243 70 3 -2.8 -1.0 | 75 10 -9.6 -2.5 1 945 610 20 7 -2.4 -6.6 | 49 12 -9.2 -8.1 2 925 791 25 7 -3.0 -6.3 | 51 13 -9.7 -7.9 3 912 914 50 5 -3.8 -3.2 | 66 12 -10.6 -4.7 4 850 1517 55 10 -8.2 -5.7 | 64 17 -15.0 -7.3 5 849 1524 55 10 -8.2 -5.7 | 64 17 -15.0 -7.3 6 790 2134 75 5 -4.8 -1.3 | 76 12 -11.6 -2.8 7 761 2438 90 2 -2.0 0.0 | 80 9 -8.8 -1.5 8 734 2743 30 1 -0.5 -0.9 | 72 8 -7.3 -2.4 9 700 3142 215 5 2.9 4.1 | 123 5 -3.9 2.6 10 682 3353 230 10 7.7 6.4 | 190 5 0.9 4.9 11 608 4267 220 10 6.4 7.7 | 177 6 -0.4 6.1 12 542 5182 245 16 14.5 6.8 | 236 9 7.7 5.2 13 522 5486 220 14 9.0 10.7 | 194 9 2.2 9.2 14 502 5791 220 14 9.0 10.7 | 194 9 2.2 9.2 15 500 5830 225 15 10.6 10.6 | 203 10 3.8 9.1 16 483 6096 230 18 13.8 11.6 | 215 12 7.0 10.0 17 463 6401 240 20 17.3 10.0 | 231 14 10.5 8.5 18 427 7010 225 16 11.3 11.3 | 205 11 4.5 9.8 19 400 7510 250 22 20.7 7.5 | 247 15 13.9 6.0 20 394 7620 250 22 20.7 7.5 | 247 15 13.9 6.0 21 362 8230 270 23 23.0 -0.0 | 275 16 16.2 -1.5 22 300 9570 265 40 39.8 3.5 | 267 33 33.1 2.0 23 292 9754 275 41 40.8 -3.6 | 279 34 34.1 -5.1 24 256 10668 270 77 77.0 -0.0 | 271 70 70.2 -1.5 25 250 10820 265 84 83.7 7.3 | 266 77 76.9 5.8 26 224 11552 265 98 97.6 8.5 | 266 91 90.8 7.0 27 213 11887 265 98 97.6 8.5 | 266 91 90.8 7.0 28 200 12290 265 88 87.7 7.7 | 266 81 80.9 6.1 29 150 14090 275 90 89.7 -7.8 | 276 83 82.9 -9.4 30 144 14326 275 86 85.7 -7.5 | 277 79 78.9 -9.0 31 106 16150 265 74 73.7 6.4 | 266 67 66.9 4.9 32 100 16490 255 63 60.9 16.3 | 255 56 54.1 14.8 33 95 16764 255 67 64.7 17.3 | 255 60 57.9 15.8 34 82 17678 250 31 29.1 10.6 | 248 24 22.3 9.1 35 78 17983 275 34 33.9 -3.0 | 279 27 27.1 -4.5 36 74 18288 260 38 37.4 6.6 | 261 31 30.6 5.1 37 70 18590 260 26 25.6 4.5 | 261 19 18.8 3.0 38 67 18898 260 26 25.6 4.5 | 261 19 18.8 3.0 39 63 19202 315 14 9.9 -9.9 | 345 12 3.1 -11.4 40 57 19812 280 10 9.8 -1.7 | 317 4 3.1 -3.3 41 52 20422 335 10 4.2 -9.1 | 14 11 -2.6 -10.6 42 50 20620 275 10 10.0 -0.9 | 307 4 3.2 -2.4 43 49 20726 295 13 11.8 -5.5 | 325 9 5.0 -7.0 44 47 21031 275 10 10.0 -0.9 | 307 4 3.2 -2.4 45 37 22555 90 2 -2.0 0.0 | 80 9 -8.8 -1.5 46 33 23165 80 11 -10.8 -1.9 | 79 18 -17.6 -3.4 47 32 23470 65 17 -15.4 -7.2 | 69 24 -22.2 -8.7 48 30 23820 75 11 -10.6 -2.8 | 76 18 -17.4 -4.4 49 28 24079 80 11 -10.8 -1.9 | 79 18 -17.6 -3.4 50 26 24384 115 12 -10.9 5.1 | 101 18 -17.7 3.5 51 22 24994 85 14 -13.9 -1.2 | 82 21 -20.7 -2.7 52 21 25298 70 18 -16.9 -6.2 | 72 25 -23.7 -7.7 Wind Parameters Mean winds (0-6000m): 227.3 at 9.3 knts Storm direction: 257.3 at 7.0 knts Shear (0-3000m) pos: 1.0 neg: 1.5 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 80.2 deg Storm rel helicity (0-3000m) pos: 32.5 neg: -23.8 tot: 8.7 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 1.0 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 13.44 Bulk Shear: 28.37 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 30 6 57 11| 0.0 5.5 5.5| 1.0 -15.8 -14.8 -29.6 -0.79| 6.4 -5.1 1000 38 6 59 12| 1.9 2.8 4.7| 11.5 -16.8 -5.4 -5.4 -0.16| 6.2 -1.0 1500 46 7 62 13| 1.8 1.8 3.6| 17.3 -17.1 0.2 0.1 -0.04| 5.5 -0.2 2000 51 7 64 13| 1.5 1.4 2.9| 24.7 -17.1 7.6 3.8 0.07| 5.4 0.4 2500 53 6 66 12| 1.2 1.3 2.5| 25.4 -19.8 5.6 2.2 0.02| 5.1 0.1 3000 54 5 67 12| 1.0 1.5 2.5| 32.5 -23.8 8.7 2.9 0.15| 6.4 1.0 4000 93 7 85 13| 0.9 1.1 2.0| 35.6 -25.5 10.1 2.5 0.17| 5.3 0.9 5000 228 8 167 4| 1.1 0.9 2.0| 49.7 -28.1 21.6 4.3 0.26| 5.2 1.4 6000 227 9 180 5| 1.4 0.5 1.9| 66.2 -41.2 25.0 4.2 0.22| 5.4 1.2 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250416.12.gif