UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 28 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 96 SFC 984 243 21.8 21.8 100 0.0 21.8 180 2 296.3 299.4 295.6 345.2 16.94 2 971 358 22.6 21.8 95 0.8 22.1 185 6 298.2 301.4 296.3 348.2 17.18 3 925 775 20.0 18.5 91 1.5 18.9 180 14 299.8 302.4 294.9 342.6 14.64 4 850 1500 16.0 14.9 93 1.1 15.3 175 19 302.9 305.2 294.4 340.3 12.64 5 700 3133 7.4 6.3 93 1.1 6.8 230 17 310.7 312.3 293.6 337.1 8.59 6 665 3554 5.8 1.7 75 4.1 3.5 234 19 313.5 314.7 292.7 333.9 6.52 7 640 3866 3.2 2.2 93 1.0 2.7 251 16 314.0 315.3 293.3 336.0 7.03 8 619 4137 2.8 -0.8 77 3.6 0.9 260 16 316.5 317.6 293.1 335.1 5.84 9 577 4701 -1.7 -2.5 94 0.8 -2.1 267 22 317.7 318.8 293.2 335.3 5.52 10 545 5153 -4.9 -6.7 87 1.8 -5.7 274 26 319.1 319.9 292.5 332.9 4.25 11 540 5225 -4.5 -11.5 58 7.0 -7.4 274 27 320.4 321.0 291.7 330.1 2.94 12 527 5417 -4.7 -23.7 21 19.0 -10.4 269 32 322.4 322.6 290.6 326.2 1.07 13 500 5830 -6.9 -37.9 6 31.0 -13.3 270 38 324.6 324.7 290.5 325.7 0.29 14 400 7540 -16.5 -57.5 2 41.0 -21.1 280 56 333.5 333.6 292.7 333.7 0.04 15 384 7846 -17.7 -53.7 3 36.0 -22.1 280 59 335.9 335.9 293.3 336.2 0.07 16 377 7984 -17.5 -50.5 4 33.0 -21.9 280 60 337.9 337.9 293.9 338.3 0.10 17 328 9011 -25.9 -57.9 3 32.0 -28.7 281 59 340.1 340.1 294.4 340.3 0.05 18 300 9650 -31.5 -55.5 8 24.0 -33.3 285 67 341.0 341.0 294.6 341.3 0.07 19 292 9840 -32.9 -54.9 9 22.0 -34.6 290 62 341.6 341.7 294.8 342.0 0.08 20 255 10776 -41.3 -46.3 58 5.0 -41.7 286 72 342.7 342.8 295.2 343.7 0.23 21 250 10910 -42.5 -50.5 41 8.0 -43.0 285 73 342.9 342.9 295.1 343.5 0.15 22 238 11240 -44.7 -65.7 8 21.0 -45.4 284 77 344.4 344.4 295.4 344.5 0.02 23 218 11820 -48.3 -62.3 18 14.0 -48.7 281 84 347.6 347.6 296.1 347.8 0.04 24 200 12380 -53.1 -61.1 37 8.0 -53.3 280 92 348.7 348.7 296.4 348.9 0.05 25 184 12912 -57.7 -62.4 55 4.7 -57.8 293 96 349.6 349.6 296.6 349.8 0.05 26 182 12981 -58.2 -65.7 38 7.5 -58.3 295 97 349.9 349.9 296.7 350.1 0.03 27 176 13191 -59.7 -75.7 11 16.0 -59.9 295 97 350.8 350.8 296.8 350.8 0.01 28 150 14170 -68.3 -74.3 42 6.0 -68.4 290 93 352.4 352.4 297.2 352.5 0.01 29 144 14414 -69.5 -77.5 30 8.0 -69.5 288 92 354.5 354.5 297.6 354.5 0.01 30 133 14884 -73.3 -77.0 57 3.7 -73.3 283 90 355.9 355.9 297.9 355.9 0.01 31 118 15580 -76.3 -83.3 32 7.0 -76.3 276 79 362.7 362.7 299.2 362.7 0.00 32 110 15987 -73.9 -84.9 17 11.0 -73.9 271 69 374.6 374.6 301.4 374.6 0.00 33 101 16483 -76.1 -89.1 11 13.0 -76.2 268 56 379.6 379.6 302.2 379.6 0.00 34 100 16540 -76.5 -88.5 13 12.0 -76.5 275 56 379.9 379.9 302.2 379.9 0.00 35 90 17144 -78.7 -87.7 22 9.0 -78.7 290 64 387.2 387.2 303.3 387.2 0.00 36 72 18426 -75.9 -89.9 9 14.0 -75.9 270 30 418.6 418.6 307.6 418.6 0.00 37 70 18590 -72.7 -89.7 6 17.0 -72.8 275 36 428.9 428.9 308.7 428.9 0.00 38 59 19611 -63.9 -88.9 2 25.0 -64.2 253 22 470.1 470.1 312.7 470.1 0.00 39 50 20630 -60.7 -88.7 1 28.0 -61.2 285 23 500.4 500.4 315.0 500.5 0.00 40 46 21149 -60.1 -88.1 1 28.0 -60.7 273 23 514.0 514.0 315.9 514.0 0.00 41 42 21714 -61.1 -88.1 2 27.0 -61.7 225 17 525.0 525.0 316.6 525.1 0.00 42 31 23630 -53.9 -84.9 1 31.0 -55.6 41 10 592.1 592.1 320.2 592.2 0.01 43 30 23840 -54.1 -85.1 1 31.0 -55.8 60 8 597.2 597.2 320.5 597.2 0.01 44 28 24281 -55.5 -85.5 1 30.0 -57.1 55 10 605.2 605.2 320.9 605.2 0.01 45 24 25278 -49.3 -83.3 1 34.0 -52.5 62 10 650.5 650.5 322.7 650.6 0.02 46 23 25557 -49.9 -82.9 1 33.0 -53.1 64 10 656.7 656.7 322.9 656.8 0.02 TRP 90 17144 -78.7 -87.7 22 9.0 -78.7 290 64 387.2 387.2 303.3 387.2 0.00 WND 182 12981 -58.2 -65.7 38 7.5 -58.3 295 97 349.9 349.9 296.7 350.1 0.03 Sounding variables and indices 1000-500 mb thick: 5734.00 m Freezing level: 592.87 mb = 4487.93 m = 14724.00 ft Wetbulb zero: 606.37 mb = 4302.38 m = 14115.24 ft Precipitable water: 1.83 inches Sfc-500 mean rel hum: 82.08 % Est. max temperature: 29.12 C = 84.42 F Sfc-Lift cond lev (LCL): 984.38 mb = 239.53 m = 785.84 ft T: -9999.00 C 700-500 lapse rate: 5.30 C/km ThetaE index: 14.30 C Layer 925.0- 640.0 mb Conv cond level (CCL): 901.27 mb = 997.84 m = 3273.70 ft Mean mixing ratio: 15.28 g/kg Conv temperature: 26.20 C = 79.16 F Cap Strength: 0.55 C Lifted Index: -1.76 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.18 C Lifted Index @700 mb: -1.53 C Showalter Index: -0.24 C Risk: Thunderstorms probable Total Totals Index: 44.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 21.80 C K Index: 36.70 Risk: > 80 % chance of thunderstorms Sweat Index: 404.32 Risk: Severe Thunderstorms possible Energy Index: -2.80 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 356.50 J/kg Max Up Vert Vel: 26.70 m/s Conv Inhibition (B-): 4.80 J/kg Cap Strength: 0.55 C Lift Cond Lev (LCL): 918.20 mb = 838.31 m = 2750.32 ft Lev Free Conv (LFC): 873.20 mb = 1269.16 m = 4163.87 ft Equ Level (EL): 383.20 mb = 7862.16 m = 25794.17 ft B at Equ Level: 352.01 J/kg Max Parcel Lev (MPL): 173.20 mb = 13289.29 m = 43599.50 ft Wind level data Storm motion: 269 at 15 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 ---------------------------------------------------------- 0 984 243 180 2 0.0 2.0 | 97 16 -15.4 1.8 1 977 305 185 5 0.4 5.0 | 108 16 -15.0 4.8 2 943 610 185 13 1.1 13.0 | 132 19 -14.3 12.8 3 925 775 180 14 0.0 14.0 | 132 21 -15.4 13.8 4 910 914 180 17 0.0 17.0 | 137 23 -15.4 16.8 5 878 1219 165 19 -4.9 18.4 | 132 27 -20.4 18.2 6 850 1500 175 19 -1.7 18.9 | 138 25 -17.1 18.7 7 817 1829 195 19 4.9 18.4 | 150 21 -10.5 18.2 8 788 2134 200 17 5.8 16.0 | 149 18 -9.6 15.8 9 760 2438 205 17 7.2 15.4 | 152 17 -8.3 15.2 10 733 2743 220 12 7.7 9.2 | 139 12 -7.7 9.0 11 707 3048 230 13 10.0 8.4 | 146 10 -5.5 8.2 12 700 3133 230 17 13.0 10.9 | 167 11 -2.4 10.7 13 656 3658 235 20 16.4 11.5 | 185 11 0.9 11.3 14 631 3962 260 13 12.8 2.3 | 128 3 -2.6 2.1 15 608 4267 260 18 17.7 3.1 | 218 4 2.3 2.9 16 542 5182 275 26 25.9 -2.3 | 283 11 10.5 -2.5 17 502 5791 260 43 42.3 7.5 | 255 28 26.9 7.3 18 500 5830 270 38 38.0 -0.0 | 270 23 22.6 -0.2 19 483 6096 270 38 38.0 -0.0 | 270 23 22.6 -0.2 20 464 6401 280 35 34.5 -6.1 | 288 20 19.0 -6.3 21 400 7540 280 56 55.1 -9.7 | 284 41 39.7 -9.9 22 380 7925 280 60 59.1 -10.4 | 284 45 43.6 -10.6 23 364 8230 280 57 56.1 -9.9 | 284 42 40.7 -10.1 24 335 8839 280 57 56.1 -9.9 | 284 42 40.7 -10.1 25 300 9650 285 67 64.7 -17.3 | 290 52 49.3 -17.5 26 296 9754 290 61 57.3 -20.9 | 297 47 41.9 -21.1 27 250 10910 285 73 70.5 -18.9 | 289 58 55.1 -19.1 28 206 12192 280 89 87.6 -15.5 | 282 74 72.2 -15.6 29 200 12380 280 92 90.6 -16.0 | 282 77 75.2 -16.2 30 182 12981 295 97 87.9 -41.0 | 300 83 72.5 -41.2 31 178 13106 295 97 87.9 -41.0 | 300 83 72.5 -41.2 32 150 14170 290 93 87.4 -31.8 | 294 79 72.0 -32.0 33 125 15240 280 88 86.7 -15.3 | 282 73 71.2 -15.5 34 101 16459 265 56 55.8 4.9 | 263 41 40.3 4.7 35 100 16540 275 56 55.8 -4.9 | 277 41 40.3 -5.1 36 96 16764 275 56 55.8 -4.9 | 277 41 40.3 -5.1 37 91 17069 295 60 54.4 -25.4 | 303 47 38.9 -25.5 38 90 17144 290 64 60.1 -21.9 | 296 50 44.7 -22.1 39 86 17374 295 65 58.9 -27.5 | 302 52 43.5 -27.7 40 78 17983 265 53 52.8 4.6 | 263 38 37.4 4.4 41 74 18288 265 25 24.9 2.2 | 258 10 9.5 2.0 42 70 18590 275 36 35.9 -3.1 | 279 21 20.4 -3.3 43 70 18593 290 29 27.3 -9.9 | 311 16 11.8 -10.1 44 67 18898 270 36 36.0 -0.0 | 271 21 20.6 -0.2 45 63 19202 265 35 34.9 3.1 | 262 20 19.4 2.9 46 60 19507 235 22 18.0 12.6 | 192 13 2.6 12.4 47 54 20117 325 23 13.2 -18.8 | 7 19 -2.2 -19.0 48 52 20422 290 27 25.4 -9.2 | 313 14 9.9 -9.4 49 50 20630 285 23 22.2 -6.0 | 312 9 6.8 -6.1 50 47 21031 285 24 23.2 -6.2 | 310 10 7.7 -6.4 51 43 21641 225 19 13.4 13.4 | 171 13 -2.0 13.2 52 41 21946 225 13 9.2 9.2 | 145 11 -6.2 9.0 53 39 22250 250 16 15.0 5.5 | 176 5 -0.4 5.3 54 35 22860 230 14 10.7 9.0 | 152 10 -4.7 8.8 55 33 23165 55 11 -9.0 -6.3 | 75 25 -24.4 -6.5 56 32 23470 25 12 -5.1 -10.9 | 62 23 -20.5 -11.1 57 30 23840 60 8 -6.9 -4.0 | 79 23 -22.4 -4.2 58 28 24079 55 10 -8.2 -5.7 | 76 24 -23.6 -5.9 59 23 24994 65 10 -9.1 -4.2 | 80 25 -24.5 -4.4 60 18 25908 135 11 -7.8 7.8 | 108 24 -23.2 7.6 Wind Parameters Mean winds (0-6000m): 239.3 at 20.6 knts Storm direction: 269.3 at 15.4 knts Shear (0-3000m) pos: 3.3 neg: 1.2 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 74.3 deg Storm rel helicity (0-3000m) pos: 124.2 neg: -26.6 tot: 97.6 m^2/s^2 ave: 32.5 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 3.6 10^-3/s Energy-Hel index: 0.24 Bulk Rich Number: 9.28 Bulk Shear: 38.43 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 9 122 17| 12.1 0.0 12.1| 45.3 0.0 45.3 90.5 0.84| 12.5 10.6 1000 178 13 129 21| 6.1 3.5 9.5| 56.4 -13.9 42.5 42.5 0.51| 10.3 5.2 1500 177 15 133 22| 5.0 2.3 7.3| 97.1 -13.9 83.2 55.5 0.58| 9.6 5.6 2000 183 16 137 21| 3.7 1.7 5.4|105.5 -15.9 89.6 44.8 0.53| 8.4 4.5 2500 188 16 139 20| 2.6 1.4 4.0|108.1 -26.6 81.5 32.6 0.38| 8.2 3.1 3000 194 16 142 19| 3.3 1.2 4.4|124.2 -26.6 97.6 32.5 0.45| 8.1 3.6 4000 207 16 150 16| 2.9 0.9 3.8|134.5 -31.7 102.7 25.7 0.37| 8.2 3.0 5000 224 17 164 13| 3.5 0.7 4.1|145.5 -33.6 111.8 22.4 0.39| 7.8 3.0 6000 239 21 192 11| 2.8 1.3 4.1|202.2 -70.4 131.7 22.0 0.31| 8.7 2.7 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250428.00.gif