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 SBFI... Searching the city database file for: SBFI ... Date:1200Z 27 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 101 SFC 984 243 20.6 20.3 98 0.3 20.4 120 6 295.1 297.9 294.1 339.3 15.41 2 972 349 20.2 19.1 93 1.1 19.5 55 12 295.7 298.3 293.6 337.3 14.46 3 966 403 23.2 19.7 81 3.5 20.8 44 12 299.3 302.1 295.1 343.4 15.12 4 925 780 21.8 19.7 88 2.1 20.4 355 19 301.6 304.5 296.3 348.2 15.81 5 850 1511 17.4 14.4 83 3.0 15.4 350 20 304.4 306.6 294.5 340.8 12.23 6 719 2923 8.6 8.6 100 0.0 8.6 318 9 309.6 311.5 294.2 339.6 9.81 7 700 3145 7.8 7.2 96 0.6 7.5 310 14 311.1 312.9 294.1 339.3 9.15 8 570 4808 -2.3 -5.4 79 3.1 -3.8 285 16 318.1 319.0 292.4 332.6 4.49 9 536 5295 -3.9 -20.9 25 17.0 -9.4 286 18 321.8 322.1 290.7 326.5 1.35 10 521 5518 -5.7 -17.7 38 12.0 -9.9 288 16 322.3 322.6 291.3 328.5 1.83 11 510 5685 -6.7 -25.7 20 19.0 -12.1 289 16 323.0 323.2 290.6 326.3 0.92 12 500 5840 -7.1 -29.1 15 22.0 -12.8 285 23 324.4 324.5 290.8 326.9 0.69 13 495 5918 -7.3 -24.3 24 17.0 -12.3 284 24 325.1 325.3 291.4 328.9 1.08 14 454 6585 -12.3 -35.3 13 23.0 -17.0 260 26 326.9 327.0 291.3 328.5 0.42 15 428 7033 -16.1 -26.1 42 10.0 -18.6 276 30 327.7 327.9 292.1 331.4 1.06 16 420 7175 -17.3 -21.0 73 3.7 -18.4 285 32 327.9 328.2 292.7 333.8 1.71 17 412 7319 -17.1 -18.3 90 1.2 -17.5 295 34 330.0 330.4 293.7 337.6 2.20 18 400 7540 -18.3 -19.9 87 1.6 -18.8 300 33 331.2 331.6 293.9 338.1 1.97 19 349 8549 -23.5 -24.9 88 1.4 -23.9 290 39 337.4 337.7 295.0 342.6 1.45 20 342 8697 -24.3 -27.0 78 2.7 -24.9 288 44 338.2 338.5 295.0 342.7 1.22 21 331 8935 -26.1 -31.1 63 5.0 -27.1 286 53 338.9 339.1 294.8 342.2 0.86 22 300 9640 -31.3 -34.8 71 3.5 -31.9 280 68 341.3 341.4 295.2 343.8 0.66 23 277 10198 -36.1 -38.9 75 2.8 -36.4 280 70 342.2 342.3 295.3 344.1 0.48 24 250 10900 -42.3 -46.1 66 3.8 -42.6 280 72 343.2 343.2 295.3 344.2 0.24 25 248 10954 -42.9 -45.6 75 2.7 -43.1 280 76 343.1 343.1 295.3 344.1 0.26 26 218 11810 -48.7 -54.7 50 6.0 -49.0 283 83 347.0 347.0 296.1 347.4 0.10 27 215 11901 -49.5 -62.5 20 13.0 -49.9 283 84 347.1 347.1 296.0 347.3 0.04 28 200 12370 -53.1 -64.1 25 11.0 -53.4 285 87 348.7 348.7 296.4 348.8 0.03 29 163 13655 -64.3 -70.3 44 6.0 -64.4 285 89 350.9 350.9 296.8 351.0 0.02 30 150 14160 -67.5 -75.5 31 8.0 -67.5 285 90 353.8 353.8 297.4 353.8 0.01 31 138 14660 -70.7 -79.6 26 8.9 -70.8 275 98 356.6 356.6 298.0 356.7 0.01 32 136 14747 -71.3 -80.3 25 9.0 -71.3 275 98 357.1 357.1 298.1 357.2 0.00 33 115 15724 -78.5 -81.6 60 3.1 -78.5 271 79 361.3 361.3 299.0 361.3 0.00 34 109 16029 -80.3 -83.8 56 3.5 -80.3 270 71 363.5 363.5 299.4 363.5 0.00 35 101 16463 -78.5 -86.5 26 8.0 -78.5 262 72 375.0 375.0 301.4 375.0 0.00 36 100 16520 -78.5 -86.5 26 8.0 -78.5 260 72 376.1 376.1 301.6 376.1 0.00 37 90 17124 -73.3 -88.3 8 15.0 -73.3 266 57 397.9 397.9 304.9 397.9 0.00 38 82 17665 -73.1 -89.1 7 16.0 -73.2 275 32 409.1 409.1 306.4 409.1 0.00 39 70 18590 -71.5 -89.5 5 18.0 -71.6 235 16 431.4 431.4 309.0 431.4 0.00 40 69 18676 -71.3 -89.3 5 18.0 -71.4 235 16 433.6 433.6 309.2 433.6 0.00 41 62 19307 -74.5 -90.5 7 16.0 -74.6 286 29 440.0 440.0 309.8 440.0 0.00 42 59 19602 -68.7 -89.7 3 21.0 -68.9 280 33 459.3 459.3 311.7 459.3 0.00 43 56 19917 -67.7 -89.7 3 22.0 -67.9 251 24 468.5 468.5 312.5 468.5 0.00 44 51 20495 -58.3 -87.3 1 29.0 -59.0 291 19 503.2 503.2 315.2 503.3 0.00 45 50 20620 -59.5 -86.5 2 27.0 -60.1 15 26 503.3 503.3 315.2 503.3 0.00 46 47 21006 -61.9 -87.9 2 26.0 -62.4 14 27 506.5 506.5 315.4 506.5 0.00 47 30 23820 -57.3 -86.3 1 29.0 -58.5 235 3 588.4 588.4 320.0 588.5 0.01 48 27 24492 -53.3 -85.3 1 32.0 -55.4 190 4 617.7 617.7 321.4 617.7 0.01 TRP 109 16029 -80.3 -83.8 56 3.5 -80.3 270 71 363.5 363.5 299.4 363.5 0.00 WND 138 14660 -70.7 -79.6 26 8.9 -70.8 275 98 356.6 356.6 298.0 356.7 0.01 Sounding variables and indices 1000-500 mb thick: 5739.00 m Freezing level: 599.60 mb = 4429.12 m = 14531.06 ft Wetbulb zero: 613.78 mb = 4208.82 m = 13808.30 ft Precipitable water: 1.93 inches Sfc-500 mean rel hum: 79.13 % Est. max temperature: 30.43 C = 86.77 F Sfc-Lift cond lev (LCL): 980.02 mb = 278.05 m = 912.23 ft T: 20.47 C 700-500 lapse rate: 5.53 C/km ThetaE index: 21.72 C Layer 850.0- 521.0 mb Conv cond level (CCL): 855.57 mb = 1454.57 m = 4772.15 ft Mean mixing ratio: 15.09 g/kg Conv temperature: 29.61 C = 85.30 F Cap Strength: 1.87 C Lifted Index: -2.20 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.03 C Lifted Index @700 mb: -1.30 C Showalter Index: -0.67 C Risk: Thunderstorms probable Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 21.50 C K Index: 38.30 Risk: > 80 % chance of thunderstorms Sweat Index: 235.80 Risk: None Energy Index: -2.70 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 574.53 J/kg Max Up Vert Vel: 33.90 m/s Conv Inhibition (B-): 43.48 J/kg Cap Strength: 1.87 C Lift Cond Lev (LCL): 901.82 mb = 999.44 m = 3278.95 ft Lev Free Conv (LFC): 796.82 mb = 2056.07 m = 6745.54 ft Equ Level (EL): 246.82 mb = 10985.87 m = 36042.43 ft B at Equ Level: 574.08 J/kg Max Parcel Lev (MPL): 136.82 mb = 14711.39 m = 48265.12 ft Wind level data Storm motion: 342 at 11 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 ---------------------------------------------------------- 0 984 243 120 6 -5.2 3.0 | 148 16 -8.8 13.9 1 977 305 65 11 -10.0 -4.6 | 115 15 -13.6 6.2 2 943 610 360 15 -0.0 -15.0 | 41 6 -3.6 -4.1 3 925 780 355 19 1.7 -18.9 | 14 8 -2.0 -8.1 4 911 914 355 20 1.7 -19.9 | 12 9 -1.9 -9.1 5 879 1219 350 21 3.6 -20.7 | 360 10 0.0 -9.8 6 850 1511 350 20 3.5 -19.7 | 1 9 -0.2 -8.8 7 789 2134 340 10 3.4 -9.4 | 172 1 -0.2 1.5 8 761 2438 345 8 2.1 -7.7 | 154 3 -1.6 3.1 9 734 2743 325 5 2.9 -4.1 | 174 7 -0.8 6.8 10 700 3145 310 14 10.7 -9.0 | 255 7 7.1 1.9 11 632 3962 280 14 13.8 -2.4 | 230 13 10.2 8.4 12 608 4267 285 14 13.5 -3.6 | 234 12 9.9 7.2 13 543 5182 285 18 17.4 -4.7 | 246 15 13.8 6.2 14 503 5791 290 15 14.1 -5.1 | 241 12 10.5 5.7 15 500 5840 285 23 22.2 -6.0 | 255 19 18.6 4.9 16 483 6096 280 25 24.6 -4.3 | 253 22 21.0 6.5 17 446 6706 255 26 25.1 6.7 | 231 28 21.5 17.6 18 412 7315 295 34 30.8 -14.4 | 277 27 27.2 -3.5 19 400 7540 300 33 28.6 -16.5 | 283 26 25.0 -5.6 20 364 8230 300 40 34.6 -20.0 | 286 32 31.0 -9.1 21 349 8534 290 39 36.6 -13.3 | 274 33 33.0 -2.5 22 308 9449 280 72 70.9 -12.5 | 271 67 67.3 -1.6 23 300 9640 280 68 67.0 -11.8 | 271 63 63.3 -1.0 24 250 10900 280 72 70.9 -12.5 | 271 67 67.3 -1.6 25 247 10973 280 77 75.8 -13.4 | 272 72 72.2 -2.5 26 200 12370 285 87 84.0 -22.5 | 278 81 80.4 -11.7 27 150 14160 285 90 86.9 -23.3 | 278 84 83.3 -12.4 28 146 14326 285 90 86.9 -23.3 | 278 84 83.3 -12.4 29 138 14660 275 98 97.6 -8.5 | 269 94 94.0 2.3 30 132 14935 275 98 97.6 -8.5 | 269 94 94.0 2.3 31 109 16029 270 71 71.0 -0.0 | 261 68 67.4 10.9 32 107 16154 270 70 70.0 -0.0 | 261 67 66.4 10.9 33 100 16520 260 72 70.9 12.5 | 251 71 67.3 23.4 34 96 16764 260 74 72.9 12.8 | 251 73 69.2 23.7 35 82 17678 275 32 31.9 -2.8 | 254 29 28.3 8.1 36 78 17983 260 40 39.4 6.9 | 244 40 35.8 17.8 37 70 18590 235 16 13.1 9.2 | 205 22 9.5 20.0 38 67 18898 235 15 12.3 8.6 | 204 21 8.7 19.5 39 63 19202 280 25 24.6 -4.3 | 253 22 21.0 6.5 40 60 19507 295 36 32.6 -15.2 | 279 29 29.0 -4.4 41 57 19812 255 27 26.1 7.0 | 232 29 22.5 17.8 42 52 20422 235 14 11.5 8.0 | 203 20 7.8 18.9 43 50 20620 15 26 -6.7 -25.1 | 36 18 -10.4 -14.3 44 49 20726 360 10 -0.0 -10.0 | 103 4 -3.6 0.9 45 47 21031 15 28 -7.2 -27.0 | 34 20 -10.9 -16.2 46 45 21336 5 30 -2.6 -29.9 | 18 20 -6.2 -19.0 47 42 21641 300 10 8.7 -5.0 | 221 8 5.0 5.9 48 40 21946 345 1 0.3 -1.0 | 161 10 -3.4 9.9 49 37 22555 345 10 2.6 -9.7 | 139 2 -1.0 1.2 50 35 22860 340 20 6.8 -18.8 | 338 9 3.2 -7.9 51 33 23165 325 17 9.8 -13.9 | 297 7 6.1 -3.1 52 32 23470 275 11 11.0 -1.0 | 217 12 7.3 9.9 53 30 23820 235 3 2.5 1.7 | 175 13 -1.2 12.6 54 24 24689 140 5 -3.2 3.8 | 155 16 -6.8 14.7 Wind Parameters Mean winds (0-6000m): 311.5 at 15.3 knts Storm direction: 341.5 at 11.4 knts Shear (0-3000m) pos: 0.0 neg: 3.4 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 104.1 deg Storm rel helicity (0-3000m) pos: 13.3 neg: -78.2 tot: -64.9 m^2/s^2 ave: -21.6 10^-3 m/s^2 rel: -0.28 Storm rel vorticity (0-3000m) horiz: 10.3 stream: -2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 16.57 Bulk Shear: 34.66 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 20 13 78 8| 0.0 22.7 22.7| 0.0 -69.0 -69.0 -138.0 -0.87| 28.1-24.4 1000 3 17 37 7| 0.0 13.0 13.0| 0.0 -76.0 -76.0 -76.0 -0.86| 16.0-13.7 1500 357 18 23 7| 0.0 7.2 7.2| 0.3 -76.7 -76.4 -50.9 -0.75| 12.3 -9.2 2000 355 16 22 6| 0.0 3.7 3.7| 0.3 -77.0 -76.7 -38.4 -0.56| 11.4 -6.4 2500 353 14 29 4| 0.0 2.2 2.2| 2.1 -77.2 -75.1 -30.0 -0.48| 10.2 -4.9 3000 348 14 17 3| 0.0 3.4 3.4| 13.3 -78.2 -64.9 -21.6 -0.28| 10.3 -2.8 4000 333 14 300 3| 0.0 2.6 2.6| 15.3 -88.8 -73.5 -18.4 -0.29| 8.6 -2.5 5000 321 14 273 5| 0.4 2.0 2.4| 25.4 -88.8 -63.4 -12.7 -0.24| 7.3 -1.7 6000 312 15 265 8| 0.2 2.5 2.7| 39.7-110.0 -70.3 -11.7 -0.20| 7.5 -1.5 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250427.12.gif