UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 15 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 122 SFC 987 243 20.4 18.9 91 1.5 19.4 110 5 294.7 297.2 293.0 334.9 14.06 2 980 304 19.4 16.8 85 2.6 17.7 71 10 294.2 296.5 291.6 329.6 12.37 3 968 409 21.2 17.2 78 4.0 18.5 51 13 297.1 299.4 292.9 334.3 12.86 4 925 796 19.2 16.4 84 2.8 17.3 10 24 298.9 301.3 293.4 336.2 12.78 5 866 1363 17.0 15.3 90 1.7 15.9 336 20 302.3 304.7 294.3 340.0 12.73 6 850 1522 15.6 15.0 96 0.6 15.2 325 17 302.5 304.8 294.3 340.1 12.72 7 847 1552 15.4 14.8 96 0.6 15.0 325 16 302.6 304.9 294.3 339.9 12.60 8 786 2182 11.4 9.0 85 2.4 9.9 313 14 304.8 306.5 292.4 332.4 9.21 9 756 2508 11.8 -0.2 44 12.0 5.5 295 14 308.7 309.6 290.0 324.1 4.99 10 700 3147 6.2 1.2 70 5.0 3.5 285 14 309.4 310.5 291.1 327.8 5.97 11 624 4077 -0.3 -0.4 99 0.1 -0.3 283 21 312.2 313.4 291.9 330.9 5.97 12 589 4536 -3.9 -4.8 93 0.9 -4.3 291 22 313.3 314.1 291.0 327.7 4.55 13 584 4603 -4.1 -6.5 83 2.4 -5.2 289 22 313.8 314.6 290.7 326.6 4.03 14 574 4739 -3.5 -16.5 36 13.0 -8.1 280 23 316.0 316.4 289.4 322.1 1.83 15 556 4991 -3.5 -29.5 11 26.0 -10.2 263 24 318.9 319.1 289.0 321.1 0.60 16 502 5789 -9.7 -36.7 9 27.0 -15.0 260 38 320.8 320.9 289.4 322.1 0.33 17 500 5820 -10.1 -37.1 9 27.0 -15.3 260 39 320.7 320.8 289.3 321.9 0.32 18 413 7265 -21.9 -28.9 53 7.0 -23.3 285 61 323.6 323.7 290.7 326.6 0.85 19 400 7500 -23.5 -34.5 36 11.0 -25.3 290 61 324.4 324.5 290.6 326.3 0.51 20 398 7537 -23.7 -35.7 32 12.0 -25.6 290 61 324.7 324.7 290.7 326.3 0.46 21 339 8686 -32.5 -56.5 7 24.0 -34.0 283 66 327.9 327.9 291.2 328.1 0.05 22 329 8897 -32.5 -59.5 5 27.0 -34.1 280 76 330.7 330.7 291.9 330.9 0.04 23 315 9204 -29.9 -58.9 4 29.0 -32.0 275 91 338.5 338.5 294.0 338.7 0.04 24 300 9550 -31.7 -49.7 15 18.0 -33.3 270 107 340.7 340.7 294.6 341.3 0.14 25 297 9621 -32.3 -48.3 19 16.0 -33.8 270 109 340.8 340.9 294.7 341.5 0.16 26 250 10820 -40.9 -62.9 8 22.0 -41.8 275 108 345.3 345.3 295.6 345.4 0.03 27 230 11382 -44.5 -66.5 7 22.0 -45.2 277 110 348.1 348.1 296.3 348.2 0.02 28 200 12300 -52.5 -67.5 15 15.0 -52.8 280 114 349.6 349.6 296.5 349.7 0.02 29 198 12365 -53.0 -67.9 15 14.8 -53.3 280 116 349.8 349.8 296.6 349.9 0.02 30 158 13775 -64.9 -75.9 21 11.0 -65.0 272 105 353.0 353.0 297.3 353.0 0.01 31 150 14090 -66.5 -79.5 14 13.0 -66.6 270 94 355.5 355.5 297.8 355.5 0.00 32 139 14550 -67.5 -84.5 7 17.0 -67.6 267 82 361.6 361.6 299.0 361.6 0.00 33 101 16442 -74.3 -87.3 12 13.0 -74.3 285 48 383.1 383.1 302.8 383.1 0.00 34 100 16500 -74.1 -87.1 12 13.0 -74.2 285 48 384.6 384.6 303.0 384.6 0.00 35 81 17735 -73.3 -89.3 7 16.0 -73.3 254 26 410.1 410.1 306.5 410.1 0.00 36 75 18191 -69.9 -89.9 4 20.0 -70.0 288 17 426.3 426.3 308.4 426.4 0.00 37 70 18600 -72.7 -90.7 5 18.0 -72.8 290 21 428.9 428.9 308.7 428.9 0.00 38 65 19040 -67.7 -90.7 2 23.0 -67.9 307 16 449.0 449.0 310.7 449.0 0.00 39 63 19227 -69.3 -91.3 3 22.0 -69.4 334 10 449.5 449.5 310.8 449.5 0.00 40 54 20151 -67.7 -91.7 2 24.0 -67.9 287 10 473.4 473.4 312.9 473.4 0.00 41 50 20620 -62.1 -91.1 1 29.0 -62.6 210 9 497.1 497.1 314.7 497.2 0.00 42 46 21137 -60.5 -90.5 1 30.0 -61.1 159 11 513.0 513.0 315.8 513.0 0.00 43 32 23423 -55.7 -88.7 1 33.0 -57.1 296 7 582.0 582.0 319.8 582.0 0.00 TRP 101 16442 -74.3 -87.3 12 13.0 -74.3 285 48 383.1 383.1 302.8 383.1 0.00 WND 198 12365 -53.0 -67.9 15 14.8 -53.3 280 116 349.8 349.8 296.6 349.9 0.02 Sounding variables and indices 1000-500 mb thick: 5698.00 m Freezing level: 627.51 mb = 4034.17 m = 13235.30 ft Wetbulb zero: 630.52 mb = 3992.97 m = 13100.15 ft Precipitable water: 1.50 inches Sfc-500 mean rel hum: 67.16 % Est. max temperature: 28.66 C = 83.59 F Sfc-Lift cond lev (LCL): 965.75 mb = 428.52 m = 1405.88 ft T: 21.10 C 700-500 lapse rate: 6.10 C/km ThetaE index: 15.97 C Layer 847.0- 700.0 mb Conv cond level (CCL): 839.38 mb = 1628.29 m = 5342.10 ft Mean mixing ratio: 12.80 g/kg Conv temperature: 28.58 C = 83.44 F Cap Strength: 2.46 C Lifted Index: -1.39 C Risk: Thunderstorms probable Lifted Index @300 mb: 5.08 C Lifted Index @700 mb: -0.03 C Showalter Index: -3.38 C Risk: Severe thunderstorms possible Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 25.10 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 289.00 Risk: None Energy Index: -3.58 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 465.75 J/kg Max Up Vert Vel: 30.52 m/s Conv Inhibition (B-): 113.88 J/kg Cap Strength: 2.40 C Lift Cond Lev (LCL): 896.39 mb = 1066.14 m = 3497.80 ft Lev Free Conv (LFC): 691.39 mb = 3247.17 m = 10653.30 ft Equ Level (EL): 551.39 mb = 5056.12 m = 16588.13 ft B at Equ Level: 106.80 J/kg Max Parcel Lev (MPL): 241.39 mb = 11056.17 m = 36273.07 ft Wind level data Storm motion: 318 at 16 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 ---------------------------------------------------------- 0 987 243 110 5 -4.7 1.7 | 131 21 -15.7 13.7 1 980 305 70 10 -9.4 -3.4 | 113 22 -20.4 8.6 2 945 610 15 19 -4.9 -18.4 | 68 17 -15.9 -6.3 3 925 796 10 24 -4.2 -23.6 | 52 19 -15.1 -11.6 4 912 914 5 27 -2.4 -26.9 | 42 20 -13.3 -14.9 5 850 1522 325 17 9.8 -13.9 | 32 2 -1.2 -1.9 6 850 1524 325 16 9.2 -13.1 | 58 2 -1.8 -1.1 7 819 1829 320 15 9.6 -11.5 | 111 1 -1.3 0.5 8 790 2134 315 14 9.9 -9.9 | 153 2 -1.1 2.1 9 762 2438 300 15 13.0 -7.5 | 204 5 2.0 4.5 10 735 2743 275 12 12.0 -1.0 | 185 11 1.0 11.0 11 708 3048 290 12 11.3 -4.1 | 182 8 0.3 7.9 12 700 3147 285 14 13.5 -3.6 | 197 9 2.6 8.4 13 656 3658 260 19 18.7 3.3 | 207 17 7.7 15.3 14 608 4267 295 22 19.9 -9.3 | 253 9 9.0 2.7 15 585 4572 290 22 20.7 -7.5 | 245 11 9.7 4.5 16 542 5182 250 25 23.5 8.6 | 211 24 12.5 20.6 17 500 5820 260 39 38.4 6.8 | 236 33 27.4 18.8 18 482 6096 265 46 45.8 4.0 | 245 38 34.9 16.0 19 427 7010 280 61 60.1 -10.6 | 268 49 49.1 1.4 20 400 7500 290 61 57.3 -20.9 | 281 47 46.3 -8.9 21 393 7620 290 60 56.4 -20.5 | 281 46 45.4 -8.5 22 361 8230 290 60 56.4 -20.5 | 281 46 45.4 -8.5 23 346 8534 285 59 57.0 -15.3 | 274 46 46.0 -3.3 24 300 9550 270 107 107.0 -0.0 | 263 97 96.0 12.0 25 291 9754 270 113 113.0 -0.0 | 263 103 102.0 12.0 26 250 10820 275 108 107.6 -9.4 | 268 97 96.6 2.6 27 200 12300 280 114 112.3 -19.8 | 274 102 101.3 -7.8 28 198 12365 280 116 114.2 -20.1 | 275 104 103.3 -8.1 29 194 12497 280 116 114.2 -20.1 | 275 104 103.3 -8.1 30 152 14021 270 103 103.0 -0.0 | 263 93 92.0 12.0 31 150 14090 270 94 94.0 -0.0 | 262 84 83.0 12.0 32 112 15850 260 48 47.3 8.3 | 241 42 36.3 20.3 33 106 16154 275 38 37.9 -3.3 | 252 28 26.9 8.7 34 101 16442 285 48 46.4 -12.4 | 271 35 35.4 -0.4 35 101 16459 285 40 38.6 -10.4 | 267 28 27.7 1.7 36 100 16500 285 48 46.4 -12.4 | 271 35 35.4 -0.4 37 96 16764 285 48 46.4 -12.4 | 271 35 35.4 -0.4 38 91 17069 275 53 52.8 -4.6 | 260 42 41.8 7.4 39 86 17374 275 40 39.8 -3.5 | 254 30 28.9 8.5 40 78 17983 240 16 13.9 8.0 | 188 20 2.9 20.0 41 74 18288 310 18 13.8 -11.6 | 261 3 2.8 0.4 42 70 18593 315 19 13.4 -13.4 | 300 3 2.5 -1.4 43 70 18600 290 21 19.7 -7.2 | 241 10 8.8 4.8 44 67 18898 285 21 20.3 -5.4 | 235 11 9.3 6.6 45 60 19507 15 1 -0.3 -1.0 | 135 16 -11.2 11.0 46 57 19812 345 11 2.8 -10.6 | 100 8 -8.1 1.4 47 50 20620 210 9 4.5 7.8 | 162 21 -6.5 19.8 48 49 20726 270 13 13.0 -0.0 | 190 12 2.0 12.0 49 46 21031 150 11 -5.5 9.5 | 143 27 -16.5 21.5 50 43 21336 110 16 -15.0 5.5 | 124 31 -26.0 17.5 51 40 21641 45 10 -7.1 -7.1 | 105 19 -18.0 4.9 52 38 21946 345 12 3.1 -11.6 | 93 8 -7.9 0.4 53 35 22250 325 11 6.3 -9.0 | 123 6 -4.7 3.0 54 27 23470 245 1 0.9 0.4 | 141 16 -10.1 12.4 55 25 23774 115 11 -10.0 4.6 | 128 27 -20.9 16.7 Wind Parameters Mean winds (0-6000m): 287.6 at 21.7 knts Storm direction: 317.6 at 16.3 knts Shear (0-3000m) pos: 0.5 neg: 2.9 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 70.6 deg Storm rel helicity (0-3000m) pos: 11.3 neg: -183.6 tot: -172.3 m^2/s^2 ave: -57.4 10^-3 m/s^2 rel: -0.39 Storm rel vorticity (0-3000m) horiz: 12.3 stream: -4.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.26 Bulk Shear: 109.31 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 28 15 85 18| 0.0 24.5 24.5| 0.0-137.4-137.4 -274.7 -0.96| 27.9-26.9 1000 10 20 63 16| 0.0 12.8 12.8| 0.0-176.2-176.2 -176.2 -0.81| 21.8-17.7 1500 359 19 56 13| 0.0 6.8 6.8| 1.7-177.1-175.4 -116.9 -0.62| 17.9-11.0 2000 350 18 54 10| 0.0 4.9 4.9| 3.3-177.1-173.8 -86.9 -0.52| 14.3 -7.5 2500 341 17 52 7| 0.0 3.5 3.5| 4.7-182.6-177.9 -71.2 -0.47| 13.3 -6.2 3000 333 16 53 4| 0.5 2.9 3.4| 11.3-183.6-172.3 -57.4 -0.39| 12.3 -4.8 4000 314 17 267 1| 1.6 2.7 4.4| 48.6-183.9-135.3 -33.8 -0.19| 11.7 -2.2 5000 303 18 245 5| 1.3 3.3 4.6| 51.4-228.4-177.0 -35.4 -0.24| 11.3 -2.7 6000 288 22 241 11| 2.8 2.8 5.6|218.8-228.4 -9.6 -1.6 -0.05| 11.5 -0.6 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250415.12.gif