UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 19 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 22.4 22.2 99 0.2 22.3 0 0 296.7 299.8 295.9 346.7 17.32 2 925 801 19.4 19.4 100 0.0 19.4 185 3 299.1 302.0 295.4 344.4 15.51 3 898 1056 18.0 18.0 100 0.0 18.0 156 4 300.2 302.9 295.0 343.0 14.62 4 850 1525 15.8 15.7 99 0.1 15.7 75 4 302.7 305.2 294.8 342.1 13.32 5 700 3155 7.0 3.2 77 3.8 4.9 210 14 310.2 311.5 292.1 331.5 6.90 6 630 4011 1.6 -1.6 79 3.2 -0.0 236 17 313.6 314.6 291.9 330.6 5.41 7 620 4140 2.6 -13.4 30 16.0 -3.8 224 15 316.1 316.6 289.8 323.4 2.19 8 603 4364 1.4 -12.6 34 14.0 -4.3 209 14 317.3 317.8 290.3 325.2 2.41 9 575 4745 -0.5 -28.5 10 28.0 -8.2 223 18 319.4 319.5 289.2 321.7 0.63 10 558 4984 -2.3 -17.3 31 15.0 -7.7 240 24 320.0 320.4 290.6 326.0 1.76 11 554 5041 -2.1 -37.1 5 35.0 -9.9 241 25 320.9 321.0 289.3 322.0 0.29 12 545 5172 -1.9 -46.9 2 45.0 -10.2 241 29 322.7 322.7 289.7 323.1 0.10 13 500 5850 -6.9 -34.9 9 28.0 -13.2 245 48 324.6 324.7 290.6 326.1 0.39 14 489 6024 -8.3 -30.3 15 22.0 -13.7 245 51 325.0 325.1 290.9 327.3 0.63 15 400 7560 -18.1 -49.1 5 31.0 -22.1 235 64 331.5 331.5 292.2 331.9 0.11 16 395 7654 -18.7 -47.7 6 29.0 -22.5 235 64 331.9 331.9 292.4 332.4 0.13 17 333 8901 -29.3 -54.3 7 25.0 -31.3 246 61 334.0 334.0 292.9 334.3 0.07 18 300 9640 -33.5 -59.5 6 26.0 -35.1 255 65 338.2 338.2 293.9 338.3 0.04 19 295 9757 -33.9 -58.9 6 25.0 -35.4 252 64 339.2 339.2 294.1 339.4 0.05 20 255 10757 -42.1 -56.1 20 14.0 -42.8 237 82 341.5 341.6 294.8 341.8 0.08 21 250 10890 -43.1 -54.1 29 11.0 -43.7 235 86 342.0 342.0 294.9 342.4 0.10 22 240 11164 -44.7 -52.7 40 8.0 -45.1 235 93 343.6 343.6 295.3 344.1 0.12 23 226 11564 -47.3 -62.3 16 15.0 -47.8 235 103 345.6 345.6 295.7 345.7 0.04 24 220 11741 -48.8 -61.7 21 12.9 -49.3 235 107 345.9 345.9 295.7 346.1 0.04 25 207 12138 -52.3 -60.3 38 8.0 -52.5 238 102 346.5 346.5 295.9 346.8 0.05 26 200 12360 -53.9 -62.9 32 9.0 -54.1 240 98 347.4 347.4 296.1 347.6 0.04 27 195 12522 -55.1 -68.1 18 13.0 -55.4 240 97 348.0 348.0 296.2 348.1 0.02 28 156 13912 -65.3 -76.3 20 11.0 -65.4 236 89 353.6 353.6 297.4 353.6 0.01 29 150 14150 -65.5 -80.5 11 15.0 -65.6 235 88 357.2 357.2 298.1 357.3 0.00 30 115 15741 -70.3 -86.3 8 16.0 -70.4 253 82 376.5 376.5 301.7 376.6 0.00 31 100 16560 -74.3 -88.3 10 14.0 -74.3 255 72 384.2 384.2 302.9 384.2 0.00 32 82 17701 -79.1 -89.1 18 10.0 -79.1 225 51 396.8 396.8 304.8 396.8 0.00 33 78 17986 -78.3 -90.3 13 12.0 -78.3 223 43 404.2 404.2 305.7 404.2 0.00 34 77 18060 -73.3 -89.3 7 16.0 -73.3 222 41 416.1 416.1 307.3 416.1 0.00 35 75 18215 -72.1 -89.1 6 17.0 -72.2 221 37 421.7 421.7 307.9 421.7 0.00 36 70 18620 -73.1 -90.1 6 17.0 -73.2 210 26 428.0 428.0 308.6 428.0 0.00 37 65 19052 -74.7 -90.7 7 16.0 -74.7 233 23 433.7 433.7 309.2 433.7 0.00 38 63 19237 -68.5 -90.5 3 22.0 -68.7 235 20 451.2 451.2 311.0 451.2 0.00 39 60 19533 -63.3 -90.3 1 27.0 -63.6 211 11 469.2 469.2 312.5 469.2 0.00 40 50 20650 -64.5 -88.5 2 24.0 -64.8 235 8 491.5 491.5 314.3 491.5 0.00 41 44 21442 -58.9 -87.9 1 29.0 -59.6 185 9 523.5 523.5 316.5 523.5 0.00 42 30 23860 -56.7 -85.7 1 29.0 -58.0 75 18 590.1 590.1 320.2 590.1 0.01 43 27 24531 -54.5 -84.5 1 30.0 -56.3 77 18 614.3 614.3 321.2 614.4 0.01 TRP 82 17701 -79.1 -89.1 18 10.0 -79.1 225 51 396.8 396.8 304.8 396.8 0.00 WND 220 11741 -48.8 -61.7 21 12.9 -49.3 235 107 345.9 345.9 295.7 346.1 0.04 Sounding variables and indices 1000-500 mb thick: 5728.00 m Freezing level: 582.37 mb = 4645.20 m = 15239.96 ft Wetbulb zero: 630.55 mb = 4004.19 m = 13136.94 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 65.07 % Est. max temperature: 29.02 C = 84.23 F Sfc-Lift cond lev (LCL): 984.65 mb = 263.46 m = 864.36 ft T: 22.29 C 700-500 lapse rate: 5.16 C/km ThetaE index: 23.31 C Layer 925.0- 603.0 mb Conv cond level (CCL): 935.17 mb = 706.94 m = 2319.32 ft Mean mixing ratio: 15.81 g/kg Conv temperature: 24.46 C = 76.03 F Cap Strength: -0.00 C Lifted Index: -2.00 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.23 C Lifted Index @700 mb: -2.10 C Showalter Index: -0.94 C Risk: Thunderstorms probable Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 22.60 C K Index: 34.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 244.40 Risk: None Energy Index: -3.11 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 807.40 J/kg Max Up Vert Vel: 40.18 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.00 C Lift Cond Lev (LCL): 935.86 mb = 700.59 m = 2298.50 ft Lev Free Conv (LFC): 930.86 mb = 746.67 m = 2449.66 ft Equ Level (EL): 230.86 mb = 11422.30 m = 37474.27 ft B at Equ Level: 799.10 J/kg Max Parcel Lev (MPL): 130.86 mb = 14967.12 m = 49104.13 ft Wind level data Storm motion: 264 at 12 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 0 0 -0.0 -0.0 | 84 12 -12.4 -1.3 1 980 305 175 4 -0.3 4.0 | 102 13 -12.7 2.7 2 946 610 190 4 0.7 3.9 | 103 12 -11.7 2.6 3 925 801 185 3 0.3 3.0 | 98 12 -12.1 1.7 4 913 914 180 4 0.0 4.0 | 102 13 -12.4 2.7 5 850 1525 75 4 -3.9 -1.0 | 82 16 -16.2 -2.3 6 791 2134 30 2 -1.0 -1.7 | 77 14 -13.4 -3.0 7 762 2438 250 5 4.7 1.7 | 93 8 -7.7 0.4 8 735 2743 210 10 5.0 8.7 | 135 10 -7.4 7.4 9 700 3155 210 14 7.0 12.1 | 154 12 -5.4 10.8 10 683 3353 215 17 9.8 13.9 | 168 13 -2.6 12.6 11 657 3658 240 19 16.5 9.5 | 206 9 4.1 8.2 12 633 3962 240 18 15.6 9.0 | 203 8 3.2 7.7 13 609 4267 210 13 6.5 11.3 | 149 12 -5.9 10.0 14 586 4572 205 15 6.3 13.6 | 154 14 -6.0 12.3 15 565 4877 240 21 18.2 10.5 | 212 11 5.8 9.2 16 500 5850 245 48 43.5 20.3 | 239 36 31.1 19.0 17 484 6096 245 53 48.0 22.4 | 239 41 35.7 21.1 18 413 7315 245 51 46.2 21.6 | 239 39 33.9 20.2 19 400 7560 235 64 52.4 36.7 | 229 53 40.1 35.4 20 365 8230 235 67 54.9 38.4 | 229 56 42.5 37.1 21 321 9144 250 58 54.5 19.8 | 246 46 42.1 18.5 22 308 9449 255 64 61.8 16.6 | 253 52 49.4 15.3 23 300 9640 255 65 62.8 16.8 | 253 53 50.4 15.5 24 282 10058 245 60 54.4 25.4 | 240 48 42.0 24.1 25 250 10890 235 86 70.4 49.3 | 230 75 58.1 48.0 26 220 11741 235 107 87.6 61.4 | 231 96 75.3 60.1 27 215 11887 235 107 87.6 61.4 | 231 96 75.3 60.1 28 200 12360 240 98 84.9 49.0 | 237 87 72.5 47.7 29 150 14150 235 88 72.1 50.5 | 231 77 59.7 49.2 30 146 14326 230 91 69.7 58.5 | 225 81 57.3 57.2 31 102 16459 265 77 76.7 6.7 | 265 65 64.3 5.4 32 100 16560 255 72 69.5 18.6 | 253 60 57.2 17.3 33 97 16764 255 74 71.5 19.2 | 253 62 59.1 17.8 34 82 17701 225 51 36.1 36.1 | 214 42 23.7 34.8 35 74 18288 220 35 22.5 26.8 | 202 27 10.1 25.5 36 70 18593 190 31 5.4 30.5 | 167 30 -7.0 29.2 37 70 18620 210 26 13.0 22.5 | 182 21 0.6 21.2 38 64 19202 240 22 19.1 11.0 | 215 12 6.7 9.7 39 60 19507 210 11 5.5 9.5 | 140 11 -6.9 8.2 40 50 20650 235 8 6.6 4.6 | 119 7 -5.8 3.3 41 41 21946 155 10 -4.2 9.1 | 115 18 -16.6 7.8 42 37 22555 45 14 -9.9 -9.9 | 63 25 -22.3 -11.2 43 34 23165 90 10 -10.0 0.0 | 87 22 -22.4 -1.3 44 32 23470 60 14 -12.1 -7.0 | 71 26 -24.5 -8.3 45 30 23774 105 15 -14.5 3.9 | 95 27 -26.9 2.6 46 30 23860 75 18 -17.4 -4.7 | 79 30 -29.8 -6.0 47 28 24079 80 21 -20.7 -3.6 | 81 33 -33.1 -5.0 48 26 24384 75 16 -15.5 -4.1 | 79 28 -27.8 -5.4 49 24 24689 70 19 -17.9 -6.5 | 76 31 -30.2 -7.8 Wind Parameters Mean winds (0-6000m): 234.0 at 16.6 knts Storm direction: 264.0 at 12.4 knts Shear (0-3000m) pos: 0.9 neg: 1.7 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 76.3 deg Storm rel helicity (0-3000m) pos: 50.4 neg: -35.7 tot: 14.7 m^2/s^2 ave: 4.9 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 1.7 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 28.90 Bulk Shear: 27.93 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 ------------------------------------------------------------------------------- 500 184 4 101 12| 0.0 3.4 3.4| 13.6 -2.2 11.4 22.7 0.62| 5.6 3.5 1000 173 4 101 13| 0.0 2.1 2.1| 15.4 -10.8 4.7 4.7 0.18| 5.2 0.9 1500 150 4 98 14| 0.0 1.1 1.1| 15.4 -28.2 -12.8 -8.5 -0.16| 5.0 -0.8 2000 131 3 94 15| 0.0 0.8 0.8| 15.4 -35.7 -20.3 -10.1 -0.23| 4.8 -1.1 2500 173 4 102 13| 0.0 2.1 2.1| 35.2 -35.7 -0.5 -0.2 0.15| 6.7 1.0 3000 196 5 110 12| 0.9 1.7 2.6| 50.4 -35.7 14.7 4.9 0.26| 6.5 1.7 4000 219 9 127 9| 1.4 1.5 2.9| 76.4 -57.7 18.7 4.7 0.17| 7.4 1.3 5000 223 11 143 8| 3.3 1.2 4.4|133.8 -58.7 75.1 15.0 0.32| 8.5 2.7 6000 234 17 187 9| 4.6 1.0 5.5|174.8 -58.9 115.8 19.3 0.31| 8.9 2.7 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250419.12.gif