UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 27 OCT 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 125 SFC 987 243 24.6 20.3 77 4.3 21.6 190 2 298.9 301.7 295.2 343.6 15.37 2 981 296 22.6 19.8 84 2.8 20.6 88 2 297.4 300.1 294.5 340.7 14.98 3 941 657 19.2 19.2 100 0.0 19.2 25 4 297.5 300.2 294.6 341.0 15.05 4 925 804 18.0 17.9 99 0.1 17.9 25 4 297.7 300.3 294.0 338.6 14.09 5 871 1317 14.6 14.0 96 0.6 14.2 35 7 299.3 301.5 292.6 333.3 11.61 6 850 1523 13.6 12.7 94 0.9 13.0 40 8 300.4 302.4 292.4 332.5 10.92 7 786 2182 11.4 8.8 84 2.6 9.8 129 8 304.8 306.5 292.3 332.1 9.08 8 763 2431 12.0 6.0 67 6.0 8.5 149 9 308.1 309.5 292.2 331.6 7.71 9 744 2642 10.2 5.7 74 4.5 7.6 170 8 308.4 309.8 292.3 332.0 7.74 10 700 3148 6.8 -3.2 49 10.0 1.9 220 5 310.0 310.8 289.8 323.5 4.31 11 699 3160 6.6 -3.4 49 10.0 1.7 220 5 309.9 310.7 289.8 323.3 4.26 12 676 3435 6.2 -20.8 12 27.0 -2.9 225 6 312.5 312.7 287.5 316.1 1.08 13 670 3508 5.8 -8.2 36 14.0 -0.4 226 7 312.8 313.4 289.6 322.7 3.07 14 664 3581 5.2 -4.8 48 10.0 0.4 228 7 312.9 313.7 290.5 325.7 4.03 15 648 3780 3.2 -4.8 56 8.0 -0.6 231 8 312.9 313.6 290.6 326.0 4.13 16 627 4047 1.2 -11.8 37 13.0 -4.0 236 10 313.5 314.0 289.2 321.6 2.47 17 617 4176 0.0 -3.6 77 3.6 -1.7 238 10 313.6 314.5 291.3 328.6 4.75 18 607 4307 -0.9 -3.7 81 2.8 -2.3 240 11 314.0 315.0 291.5 329.2 4.80 19 582 4642 -3.3 -7.3 74 4.0 -5.1 253 13 315.0 315.8 290.9 327.2 3.80 20 568 4835 -4.7 -5.4 95 0.7 -5.0 285 18 315.6 316.5 291.7 330.0 4.51 21 545 5160 -6.3 -12.3 62 6.0 -8.7 294 21 317.4 318.0 290.7 326.4 2.73 22 519 5541 -8.9 -12.5 75 3.6 -10.3 292 24 318.8 319.3 291.2 328.1 2.82 23 510 5676 -9.5 -19.5 44 10.0 -12.6 291 25 319.6 320.0 290.3 325.1 1.60 24 506 5738 -8.9 -32.9 12 24.0 -14.2 290 25 321.1 321.2 289.6 322.8 0.47 25 502 5799 -9.3 -28.3 20 19.0 -14.0 290 26 321.3 321.5 290.0 324.0 0.74 26 500 5830 -9.5 -27.5 22 18.0 -14.1 290 26 321.5 321.6 290.0 324.3 0.80 27 478 6174 -12.1 -24.1 36 12.0 -15.4 294 24 322.4 322.6 290.7 326.4 1.14 28 400 7500 -23.3 -34.3 36 11.0 -25.1 270 42 324.7 324.8 290.7 326.6 0.52 29 385 7780 -25.7 -34.7 43 9.0 -27.1 276 50 325.1 325.2 290.9 327.0 0.52 30 316 9189 -35.3 -36.2 91 0.9 -35.4 288 57 330.7 330.8 292.4 332.7 0.55 31 300 9550 -37.7 -40.6 74 2.9 -38.0 280 71 332.2 332.3 292.7 333.6 0.37 32 293 9711 -39.3 -43.6 64 4.3 -39.6 278 75 332.2 332.3 292.6 333.3 0.27 33 290 9781 -39.9 -45.9 53 6.0 -40.4 278 77 332.3 332.4 292.6 333.2 0.22 34 282 9971 -39.5 -61.5 8 22.0 -40.5 276 82 335.6 335.6 293.3 335.7 0.03 35 279 10043 -39.9 -61.9 8 22.0 -40.8 275 84 336.0 336.0 293.4 336.2 0.03 36 250 10780 -45.1 -65.1 9 20.0 -45.7 275 82 339.0 339.0 294.1 339.1 0.02 37 229 11362 -49.3 -66.3 12 17.0 -49.7 281 86 341.2 341.2 294.6 341.3 0.02 38 200 12240 -54.9 -70.9 12 16.0 -55.2 290 91 345.8 345.8 295.7 345.9 0.01 39 167 13372 -63.1 -76.3 15 13.2 -63.3 285 103 350.4 350.4 296.7 350.4 0.01 40 165 13446 -63.7 -76.7 15 13.0 -63.8 285 103 350.7 350.7 296.8 350.7 0.01 41 150 14030 -64.3 -80.3 9 16.0 -64.4 270 79 359.3 359.3 298.5 359.3 0.00 42 137 14580 -67.5 -81.5 12 14.0 -67.6 279 57 363.1 363.1 299.3 363.1 0.00 43 127 15037 -66.7 -83.7 7 17.0 -66.8 278 62 372.5 372.5 301.0 372.5 0.00 44 117 15528 -70.1 -85.1 9 15.0 -70.2 285 60 375.1 375.1 301.4 375.1 0.00 45 110 15898 -67.1 -85.1 6 18.0 -67.2 279 60 387.4 387.4 303.4 387.4 0.00 46 100 16470 -68.9 -85.9 7 17.0 -69.0 270 35 394.6 394.6 304.5 394.6 0.00 47 79 17865 -72.9 -87.9 9 15.0 -73.0 303 39 413.9 413.9 307.0 413.9 0.00 48 77 18016 -72.9 -87.9 9 15.0 -73.0 304 41 416.9 416.9 307.3 416.9 0.00 49 71 18503 -63.1 -88.1 2 25.0 -63.4 296 19 447.6 447.6 310.6 447.6 0.00 50 70 18590 -63.3 -88.3 2 25.0 -63.6 295 15 449.0 449.0 310.7 449.0 0.00 51 61 19431 -67.1 -89.1 3 22.0 -67.3 339 27 458.5 458.5 311.7 458.5 0.00 52 50 20640 -65.1 -89.1 2 24.0 -65.4 340 17 490.1 490.1 314.2 490.1 0.00 53 44 21418 -64.9 -89.9 2 25.0 -65.3 330 18 508.8 508.8 315.5 508.8 0.00 54 39 22159 -60.9 -89.9 1 29.0 -61.6 293 16 536.8 536.8 317.3 536.8 0.00 55 37 22489 -57.1 -88.1 1 31.0 -58.2 273 12 554.7 554.7 318.3 554.7 0.00 56 33 23214 -55.7 -86.7 1 31.0 -57.1 348 13 576.9 576.9 319.5 576.9 0.01 57 30 23820 -56.1 -87.1 1 31.0 -57.5 185 5 591.7 591.7 320.2 591.7 0.01 58 24 25246 -53.7 -85.7 1 32.0 -55.9 128 2 637.7 637.7 322.2 637.7 0.01 TRP 117 15528 -70.1 -85.1 9 15.0 -70.2 285 60 375.1 375.1 301.4 375.1 0.00 WND 167 13372 -63.1 -76.3 15 13.2 -63.3 285 103 350.4 350.4 296.7 350.4 0.01 Sounding variables and indices 1000-500 mb thick: 5705.00 m Freezing level: 617.00 mb = 4176.18 m = 13701.21 ft Wetbulb zero: 690.46 mb = 3260.78 m = 10697.95 ft Precipitable water: 1.55 inches Sfc-500 mean rel hum: 72.12 % Est. max temperature: 26.99 C = 80.58 F Sfc-Lift cond lev (LCL): 927.07 mb = 784.82 m = 2574.85 ft T: 18.16 C 700-500 lapse rate: 6.08 C/km ThetaE index: 15.92 C Layer 700.0- 670.0 mb Conv cond level (CCL): 926.50 mb = 790.08 m = 2592.10 ft Mean mixing ratio: 14.24 g/kg Conv temperature: 23.43 C = 74.17 F Cap Strength: 1.20 C Lifted Index: -2.37 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.12 C Lifted Index @700 mb: -0.60 C Showalter Index: 0.56 C Risk: Thunderstorms probable Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 22.20 C K Index: 25.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 194.40 Risk: None Energy Index: -1.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 938.82 J/kg Max Up Vert Vel: 43.33 m/s Conv Inhibition (B-): 0.51 J/kg Cap Strength: 1.03 C Lift Cond Lev (LCL): 924.93 mb = 804.66 m = 2639.92 ft Lev Free Conv (LFC): 919.93 mb = 850.85 m = 2791.48 ft Equ Level (EL): 769.93 mb = 2355.33 m = 7727.37 ft B at Equ Level: 47.38 J/kg Max Parcel Lev (MPL): 139.93 mb = 14451.52 m = 47412.55 ft Wind level data Storm motion: 308 at 9 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 ---------------------------------------------------------- 0 987 243 190 2 0.3 2.0 | 138 10 -6.4 7.2 1 980 305 70 2 -1.9 -0.7 | 118 10 -8.6 4.6 2 946 610 25 4 -1.7 -3.6 | 101 9 -8.4 1.6 3 925 804 25 4 -1.7 -3.6 | 101 9 -8.4 1.6 4 913 914 25 4 -1.7 -3.6 | 101 9 -8.4 1.6 5 850 1523 40 8 -5.1 -6.1 | 86 12 -11.9 -0.9 6 790 2134 125 8 -6.6 4.6 | 126 17 -13.3 9.8 7 762 2438 150 9 -4.5 7.8 | 139 17 -11.2 13.0 8 700 3148 220 5 3.2 3.8 | 159 10 -3.5 9.1 9 608 4267 240 11 9.5 5.5 | 195 11 2.8 10.7 10 585 4572 245 12 10.9 5.1 | 202 11 4.1 10.3 11 564 4877 295 19 17.2 -8.0 | 285 11 10.5 -2.8 12 500 5830 290 26 24.4 -8.9 | 282 18 17.7 -3.7 13 483 6096 295 24 21.8 -10.1 | 288 16 15.0 -4.9 14 445 6706 285 21 20.3 -5.4 | 271 14 13.5 -0.2 15 410 7315 270 34 34.0 -0.0 | 259 28 27.3 5.2 16 400 7500 270 42 42.0 -0.0 | 262 36 35.3 5.2 17 377 7925 280 55 54.2 -9.6 | 275 48 47.4 -4.3 18 361 8230 285 53 51.2 -13.7 | 281 45 44.5 -8.5 19 331 8839 295 44 39.9 -18.6 | 292 36 33.1 -13.4 20 300 9550 280 71 69.9 -12.3 | 276 64 63.2 -7.1 21 278 10058 275 85 84.7 -7.4 | 272 78 77.9 -2.2 22 254 10668 275 79 78.7 -6.9 | 271 72 72.0 -1.6 23 250 10780 275 82 81.7 -7.1 | 271 75 74.9 -1.9 24 200 12240 290 91 85.5 -31.1 | 288 83 78.8 -25.9 25 183 12802 295 92 83.4 -38.9 | 294 84 76.6 -33.6 26 167 13372 285 103 99.5 -26.7 | 283 95 92.7 -21.4 27 158 13716 285 103 99.5 -26.7 | 283 95 92.7 -21.4 28 150 14021 270 82 82.0 -0.0 | 266 75 75.3 5.2 29 150 14030 270 79 79.0 -0.0 | 266 72 72.3 5.2 30 136 14630 280 55 54.2 -9.6 | 275 48 47.4 -4.3 31 129 14935 275 66 65.7 -5.8 | 270 59 59.0 -0.5 32 123 15240 285 55 53.1 -14.2 | 281 47 46.4 -9.0 33 117 15528 285 60 58.0 -15.5 | 281 52 51.2 -10.3 34 111 15850 280 62 61.1 -10.8 | 276 55 54.3 -5.5 35 100 16470 270 35 35.0 -0.0 | 259 29 28.3 5.2 36 95 16764 270 38 38.0 -0.0 | 260 32 31.3 5.2 37 86 17374 295 22 19.9 -9.3 | 287 14 13.2 -4.1 38 78 17983 305 43 35.2 -24.7 | 304 34 28.5 -19.4 39 70 18590 295 15 13.6 -6.3 | 279 7 6.9 -1.1 40 70 18593 265 25 24.9 2.2 | 248 20 18.2 7.4 41 67 18898 265 18 17.9 1.6 | 239 13 11.2 6.8 42 63 19202 350 20 3.5 -19.7 | 13 15 -3.3 -14.5 43 60 19507 335 30 12.7 -27.2 | 345 23 5.9 -22.0 44 54 20117 310 11 8.4 -7.1 | 317 2 1.7 -1.8 45 52 20422 325 16 9.2 -13.1 | 343 8 2.4 -7.9 46 50 20640 340 17 5.8 -16.0 | 5 11 -0.9 -10.7 47 49 20726 300 17 14.7 -8.5 | 292 9 8.0 -3.3 48 47 21031 335 14 5.9 -12.7 | 6 7 -0.8 -7.5 49 45 21336 335 18 7.6 -16.3 | 356 11 0.9 -11.1 50 41 21946 305 21 17.2 -12.0 | 303 12 10.5 -6.8 51 39 22250 290 15 14.1 -5.1 | 269 7 7.4 0.1 52 37 22555 270 11 11.0 -0.0 | 219 7 4.3 5.2 53 33 23165 5 13 -1.1 -13.0 | 46 11 -7.9 -7.7 54 32 23470 280 11 10.8 -1.9 | 231 5 4.1 3.3 55 30 23774 250 11 10.3 3.8 | 202 10 3.6 9.0 56 30 23820 185 5 0.4 5.0 | 148 12 -6.3 10.2 57 22 24994 110 1 -0.9 0.3 | 126 9 -7.7 5.6 58 19 25603 65 6 -5.4 -2.5 | 103 12 -12.2 2.7 Wind Parameters Mean winds (0-6000m): 277.8 at 11.4 knts Storm direction: 307.8 at 8.5 knts Shear (0-3000m) pos: 1.6 neg: 1.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 23.4 deg Storm rel helicity (0-3000m) pos: 79.4 neg: -21.6 tot: 57.8 m^2/s^2 ave: 19.3 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 1.9 10^-3/s Energy-Hel index: 0.28 Bulk Rich Number: 40.81 Bulk Shear: 23.01 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 37 3 107 9| 0.0 6.1 6.1| 0.0 -15.6 -15.6 -31.1 -0.95| 6.8 -6.4 1000 31 4 102 9| 1.2 3.1 4.2| 0.0 -19.6 -19.6 -19.6 -0.90| 4.6 -4.1 1500 39 5 97 10| 2.0 2.0 4.1| 11.2 -21.6 -10.4 -7.0 -0.36| 5.1 -1.9 2000 59 6 101 12| 2.7 1.5 4.2| 47.1 -21.6 25.5 12.7 0.13| 6.1 0.8 2500 84 6 109 14| 2.3 1.2 3.5| 72.8 -21.6 51.2 20.5 0.29| 6.4 1.9 3000 99 6 116 14| 1.6 1.0 2.6| 79.4 -21.6 57.8 19.3 0.30| 6.2 1.9 4000 166 7 145 15| 1.8 0.8 2.6| 95.5 -21.6 73.9 18.5 0.40| 5.4 2.2 5000 251 9 190 8| 2.3 0.6 2.9|141.1 -22.2 118.9 23.8 0.54| 6.3 3.4 6000 278 11 231 6| 1.7 0.5 2.2|147.7 -27.4 120.3 20.0 0.48| 6.0 2.9 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251027.12.gif