UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 17 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 130 SFC 988 243 20.8 20.8 100 0.0 20.8 90 2 295.0 297.8 294.4 340.4 15.84 2 975 356 19.8 18.9 95 0.9 19.2 80 7 295.1 297.6 293.3 335.9 14.23 3 962 471 21.4 18.2 82 3.2 19.2 57 7 297.8 300.3 293.8 337.8 13.80 4 925 806 19.6 17.5 88 2.1 18.2 30 10 299.4 301.9 294.2 339.4 13.73 5 859 1443 17.4 12.9 75 4.5 14.5 13 9 303.5 305.5 293.3 336.0 10.95 6 850 1533 16.6 12.6 77 4.0 14.0 10 8 303.5 305.5 293.3 335.8 10.85 7 782 2235 10.4 10.4 100 0.0 10.4 357 9 304.2 306.1 293.0 334.6 10.18 8 776 2300 11.2 8.5 83 2.7 9.6 355 9 305.7 307.4 292.5 332.9 9.01 9 729 2819 8.2 -1.8 49 10.0 3.2 248 4 308.0 308.8 289.4 322.2 4.60 10 712 3014 9.0 -18.0 13 27.0 -0.9 194 1 310.9 311.2 287.2 315.3 1.30 11 700 3155 8.4 -21.6 10 30.0 -1.7 140 3 311.8 312.0 287.1 315.1 0.97 12 583 4638 0.2 -36.8 4 37.0 -8.4 319 7 319.0 319.0 288.8 320.0 0.28 13 500 5840 -10.7 -39.7 7 29.0 -15.9 280 14 320.0 320.0 289.0 320.9 0.24 14 474 6249 -14.5 -41.5 8 27.0 -18.8 279 16 320.2 320.3 289.0 321.0 0.21 15 443 6760 -17.7 -50.7 4 33.0 -21.5 271 12 322.4 322.4 289.6 322.8 0.08 16 432 6948 -17.9 -52.9 3 35.0 -21.8 252 16 324.5 324.5 290.2 324.8 0.07 17 400 7520 -22.5 -51.5 5 29.0 -25.5 260 22 325.7 325.8 290.6 326.1 0.08 18 364 8204 -27.5 -56.5 5 29.0 -29.7 260 40 328.0 328.0 291.2 328.2 0.05 19 300 9570 -35.1 -64.1 4 29.0 -36.5 265 77 335.9 335.9 293.3 336.0 0.02 20 250 10820 -42.9 -67.9 5 25.0 -43.7 265 84 342.3 342.3 294.9 342.4 0.02 21 222 11611 -48.1 -70.1 6 22.0 -48.6 270 89 346.1 346.1 295.8 346.2 0.01 22 200 12290 -53.5 -72.5 8 19.0 -53.8 275 91 348.0 348.0 296.2 348.1 0.01 23 190 12618 -55.9 -72.9 10 17.0 -56.1 274 92 349.3 349.3 296.5 349.4 0.01 24 166 13466 -60.9 -77.4 10 16.4 -61.1 270 95 354.7 354.7 297.6 354.7 0.01 25 150 14090 -64.7 -80.7 9 16.0 -64.8 265 87 358.6 358.6 298.4 358.6 0.00 26 144 14339 -66.1 -82.1 9 16.0 -66.2 264 86 360.4 360.4 298.8 360.4 0.00 27 113 15789 -72.5 -86.5 10 14.0 -72.5 257 82 374.3 374.3 301.3 374.3 0.00 28 100 16510 -71.7 -87.7 7 16.0 -71.8 250 56 389.2 389.2 303.7 389.2 0.00 29 81 17748 -75.3 -89.3 9 14.0 -75.3 270 45 406.0 406.0 306.0 406.0 0.00 30 75 18195 -75.7 -89.7 9 14.0 -75.7 259 38 414.2 414.2 307.0 414.2 0.00 31 70 18600 -71.5 -90.5 4 19.0 -71.6 280 29 431.4 431.4 309.0 431.4 0.00 32 63 19228 -65.3 -89.3 2 24.0 -65.5 252 32 458.3 458.3 311.6 458.3 0.00 33 59 19624 -66.7 -89.7 3 23.0 -66.9 265 15 463.8 463.8 312.1 463.8 0.00 34 50 20630 -62.9 -88.9 2 26.0 -63.3 330 17 495.3 495.3 314.6 495.3 0.00 35 49 20755 -61.9 -88.9 2 27.0 -62.4 337 17 500.5 500.5 315.0 500.5 0.00 36 39 22164 -62.3 -89.3 2 27.0 -62.9 21 6 533.2 533.2 317.1 533.3 0.00 37 36 22666 -56.1 -87.1 1 31.0 -57.3 81 5 561.6 561.6 318.7 561.7 0.01 38 31 23620 -54.1 -85.1 1 31.0 -55.8 54 12 591.6 591.6 320.2 591.6 0.01 39 30 23830 -55.1 -85.1 1 30.0 -56.6 120 8 594.4 594.4 320.3 594.5 0.01 40 25 25001 -52.5 -84.5 1 32.0 -54.9 99 10 633.7 633.7 322.0 633.8 0.01 TRP 81 17748 -75.3 -89.3 9 14.0 -75.3 270 45 406.0 406.0 306.0 406.0 0.00 WND 166 13466 -60.9 -77.4 10 16.4 -61.1 270 95 354.7 354.7 297.6 354.7 0.01 Sounding variables and indices 1000-500 mb thick: 5710.00 m Freezing level: 581.48 mb = 4659.61 m = 15287.24 ft Wetbulb zero: 715.64 mb = 2972.06 m = 9750.75 ft Precipitable water: 1.21 inches Sfc-500 mean rel hum: 41.05 % Est. max temperature: 29.46 C = 85.03 F Sfc-Lift cond lev (LCL): 988.35 mb = 239.73 m = 786.50 ft T: -9999.00 C 700-500 lapse rate: 7.11 C/km ThetaE index: 24.38 C Layer 859.0- 583.0 mb Conv cond level (CCL): 842.43 mb = 1608.37 m = 5276.73 ft Mean mixing ratio: 13.64 g/kg Conv temperature: 29.42 C = 84.96 F Cap Strength: 2.26 C Lifted Index: -3.22 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.02 C Lifted Index @700 mb: 1.26 C Showalter Index: -2.11 C Risk: Severe thunderstorms possible Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 23.30 C K Index: 9.90 Risk: None Sweat Index: 213.20 Risk: None Energy Index: -2.87 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 546.56 J/kg Max Up Vert Vel: 33.06 m/s Conv Inhibition (B-): 59.81 J/kg Cap Strength: 2.22 C Lift Cond Lev (LCL): 905.51 mb = 989.23 m = 3245.46 ft Lev Free Conv (LFC): 800.51 mb = 2038.36 m = 6687.47 ft Equ Level (EL): 720.51 mb = 2915.93 m = 9566.58 ft B at Equ Level: 31.43 J/kg Max Parcel Lev (MPL): 650.51 mb = 3749.38 m = 12300.97 ft Wind level data Storm motion: 2 at 6 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 ---------------------------------------------------------- 0 988 243 90 2 -2.0 0.0 | 163 6 -1.8 6.0 1 981 305 90 7 -7.0 0.0 | 132 9 -6.8 6.0 2 947 610 30 7 -3.5 -6.1 | 90 3 -3.3 -0.0 3 925 806 30 10 -5.0 -8.7 | 61 5 -4.8 -2.6 4 913 914 35 11 -6.3 -9.0 | 64 7 -6.1 -3.0 5 882 1219 20 12 -4.1 -11.3 | 37 7 -3.9 -5.2 6 850 1533 10 8 -1.4 -7.9 | 33 2 -1.2 -1.8 7 791 2134 360 10 -0.0 -10.0 | 357 4 0.2 -4.0 8 763 2438 350 8 1.4 -7.9 | 319 2 1.6 -1.8 9 709 3048 185 1 0.1 1.0 | 182 7 0.3 7.0 10 700 3155 140 3 -1.9 2.3 | 168 9 -1.7 8.3 11 609 4267 340 4 1.4 -3.8 | 214 3 1.6 2.3 12 543 5182 285 11 10.6 -2.8 | 254 11 10.8 3.2 13 523 5486 300 13 11.3 -6.5 | 272 11 11.5 -0.5 14 503 5791 280 12 11.8 -2.1 | 252 13 12.0 4.0 15 500 5840 280 14 13.8 -2.4 | 256 14 14.0 3.6 16 483 6096 280 17 16.7 -3.0 | 260 17 16.9 3.1 17 446 6706 275 11 11.0 -1.0 | 246 12 11.2 5.1 18 428 7010 245 18 16.3 7.6 | 230 21 16.5 13.6 19 411 7315 240 18 15.6 9.0 | 226 22 15.8 15.0 20 400 7520 260 22 21.7 3.8 | 246 24 21.9 9.9 21 394 7620 260 22 21.7 3.8 | 246 24 21.9 9.9 22 362 8230 260 41 40.4 7.1 | 252 43 40.6 13.2 23 300 9570 265 77 76.7 6.7 | 261 78 76.9 12.7 24 292 9754 265 81 80.7 7.1 | 261 82 80.9 13.1 25 250 10820 265 84 83.7 7.3 | 261 85 83.9 13.4 26 244 10973 265 87 86.7 7.6 | 261 88 86.9 13.6 27 200 12290 275 91 90.7 -7.9 | 271 91 90.8 -1.9 28 166 13466 270 95 95.0 -0.0 | 266 95 95.2 6.0 29 159 13716 270 95 95.0 -0.0 | 266 95 95.2 6.0 30 150 14090 265 87 86.7 7.6 | 261 88 86.9 13.6 31 106 16154 255 81 78.2 21.0 | 251 83 78.4 27.0 32 100 16510 250 56 52.6 19.2 | 245 59 52.8 25.2 33 96 16764 250 59 55.4 20.2 | 245 62 55.6 26.2 34 86 17374 280 39 38.4 -6.8 | 271 39 38.6 -0.7 35 81 17748 270 45 45.0 -0.0 | 262 46 45.2 6.0 36 78 17983 270 45 45.0 -0.0 | 262 46 45.2 6.0 37 74 18288 255 35 33.8 9.1 | 246 37 34.0 15.1 38 70 18593 285 26 25.1 -6.7 | 272 25 25.3 -0.7 39 70 18600 280 29 28.6 -5.0 | 268 29 28.8 1.0 40 63 19202 255 35 33.8 9.1 | 246 37 34.0 15.1 41 60 19507 230 12 9.2 7.7 | 214 17 9.4 13.7 42 57 19812 315 19 13.4 -13.4 | 298 16 13.6 -7.4 43 52 20422 280 14 13.8 -2.4 | 256 14 14.0 3.6 44 50 20630 330 17 8.5 -14.7 | 315 12 8.7 -8.7 45 49 20726 340 17 5.8 -16.0 | 329 12 6.0 -9.9 46 45 21336 280 15 14.8 -2.6 | 257 15 15.0 3.4 47 43 21641 280 11 10.8 -1.9 | 249 12 11.0 4.1 48 37 22555 90 2 -2.0 0.0 | 163 6 -1.8 6.0 49 35 22860 70 10 -9.4 -3.4 | 106 10 -9.2 2.6 50 33 23165 65 10 -9.1 -4.2 | 102 9 -8.9 1.8 51 30 23774 50 12 -9.2 -7.7 | 79 9 -9.0 -1.7 52 30 23830 120 8 -6.9 4.0 | 146 12 -6.7 10.0 53 24 24689 95 11 -11.0 1.0 | 123 13 -10.8 7.0 54 22 24994 75 14 -13.5 -3.6 | 100 14 -13.3 2.4 55 21 25298 80 20 -19.7 -3.5 | 97 20 -19.5 2.6 Wind Parameters Mean winds (0-6000m): 331.9 at 8.1 knts Storm direction: 1.9 at 6.0 knts Shear (0-3000m) pos: 0.0 neg: 0.3 tot: 0.3 10-3/s Storm rel Dir Shear (0-3000m): 0.7 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -50.7 tot: -50.7 m^2/s^2 ave: -16.9 10^-3 m/s^2 rel: -0.73 Storm rel vorticity (0-3000m) horiz: 7.8 stream: -5.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 43.41 Bulk Shear: 12.59 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 53 7 109 6| 0.0 8.5 8.5| 0.0 -16.0 -16.0 -32.0 -0.76| 13.6-10.3 1000 37 9 77 5| 0.0 5.8 5.8| 0.0 -21.8 -21.8 -21.8 -0.74| 9.5 -7.0 1500 28 9 65 5| 0.0 3.0 3.0| 0.0 -22.7 -22.7 -15.1 -0.62| 8.0 -5.0 2000 21 9 51 4| 0.0 2.5 2.5| 0.0 -24.3 -24.3 -12.1 -0.63| 6.6 -4.2 2500 15 9 41 3| 0.0 1.3 1.3| 0.0 -35.3 -35.3 -14.1 -0.70| 7.6 -5.3 3000 17 8 56 2| 0.0 0.3 0.3| 0.0 -50.7 -50.7 -16.9 -0.73| 7.8 -5.7 4000 16 7 79 2| 0.0 0.6 0.6| 1.9 -54.8 -52.9 -13.2 -0.60| 7.0 -4.2 5000 359 7 335 1| 0.0 1.4 1.4| 5.8 -57.1 -51.3 -10.3 -0.47| 6.7 -3.1 6000 332 8 285 4| 0.0 1.5 1.5| 17.6 -69.6 -52.1 -8.7 -0.40| 6.5 -2.6 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250417.12.gif