UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 8 DEC 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 86 SFC 983 243 26.2 21.4 75 4.8 22.8 10 5 300.8 303.9 296.5 349.4 16.54 2 963 424 26.2 21.5 75 4.7 22.8 1 19 302.6 305.7 297.3 352.9 17.00 3 933 701 23.8 21.0 84 2.8 21.8 350 23 302.9 306.0 297.4 353.3 17.02 4 925 776 24.0 19.7 77 4.3 20.9 345 21 303.8 306.8 296.8 350.9 15.81 5 871 1301 21.8 14.8 64 7.0 17.1 354 11 306.8 309.1 295.2 343.7 12.24 6 856 1452 20.6 18.1 86 2.5 18.8 2 8 307.1 310.0 297.4 353.7 15.45 7 850 1513 20.4 17.1 81 3.3 18.1 5 7 307.5 310.2 297.0 351.5 14.59 8 836 1657 20.2 14.2 68 6.0 16.1 41 6 308.8 311.1 295.7 346.0 12.27 9 791 2132 17.0 10.0 63 7.0 12.5 70 9 310.3 312.1 294.4 340.3 9.80 10 724 2880 10.4 10.2 99 0.2 10.3 106 13 311.0 313.0 295.3 344.3 10.86 11 708 3067 9.2 9.2 100 0.0 9.2 114 14 311.7 313.6 295.2 343.6 10.38 12 700 3161 8.8 6.5 85 2.3 7.4 105 16 312.2 313.9 294.1 339.2 8.71 13 699 3173 8.8 6.3 84 2.5 7.3 105 16 312.4 314.0 294.1 339.0 8.60 14 683 3364 6.8 6.6 99 0.2 6.7 110 17 312.2 313.9 294.3 340.0 8.99 15 552 5087 -3.3 -3.3 100 0.0 -3.3 196 11 319.8 320.9 293.7 337.4 5.44 16 520 5561 -4.1 -11.1 58 7.0 -7.1 250 9 324.4 325.0 293.0 334.9 3.15 17 515 5637 -4.3 -11.3 58 7.0 -7.2 248 9 325.0 325.7 293.2 335.6 3.13 18 500 5870 -6.3 -12.3 62 6.0 -8.8 245 9 325.4 325.9 293.2 335.4 2.98 19 443 6805 -13.5 -15.7 83 2.2 -14.3 217 13 327.7 328.2 293.4 336.4 2.54 20 433 6979 -13.1 -17.1 72 4.0 -14.5 219 15 330.4 330.9 293.9 338.4 2.31 21 400 7580 -16.9 -19.4 81 2.5 -17.7 245 15 333.0 333.4 294.4 340.3 2.06 22 369 8180 -20.9 -22.3 88 1.4 -21.3 290 26 335.5 335.8 294.7 341.7 1.73 23 319 9241 -27.1 -32.1 62 5.0 -28.0 275 32 341.1 341.3 295.3 344.2 0.81 24 300 9680 -30.5 -35.4 62 4.9 -31.3 265 55 342.4 342.5 295.4 344.8 0.63 25 254 10832 -40.3 -44.9 61 4.6 -40.7 251 54 344.6 344.6 295.7 345.7 0.27 26 250 10940 -41.1 -46.1 58 5.0 -41.5 250 54 345.0 345.0 295.7 346.0 0.24 27 226 11619 -46.3 -55.3 35 9.0 -46.7 255 47 347.1 347.1 296.1 347.5 0.09 28 218 11858 -48.5 -55.5 44 7.0 -48.8 257 51 347.3 347.3 296.1 347.7 0.09 29 213 12010 -49.3 -63.3 18 14.0 -49.7 258 54 348.4 348.4 296.3 348.5 0.04 30 200 12420 -52.9 -60.9 37 8.0 -53.1 260 60 349.0 349.0 296.4 349.2 0.05 31 194 12616 -54.5 -60.5 47 6.0 -54.6 261 60 349.5 349.5 296.5 349.7 0.06 32 188 12816 -56.3 -64.3 36 8.0 -56.5 263 60 349.7 349.8 296.6 349.9 0.04 33 150 14210 -68.1 -74.1 42 6.0 -68.1 265 65 352.8 352.8 297.3 352.8 0.01 34 145 14414 -69.6 -75.3 44 5.6 -69.7 260 71 353.5 353.5 297.4 353.6 0.01 35 121 15478 -77.9 -81.4 57 3.5 -77.9 260 59 357.2 357.2 298.1 357.2 0.00 36 110 16026 -77.9 -83.9 37 6.0 -77.9 251 51 367.1 367.1 300.1 367.1 0.00 37 100 16580 -73.3 -89.3 7 16.0 -73.3 225 27 386.1 386.1 303.2 386.1 0.00 38 84 17590 -75.9 -88.9 11 13.0 -75.9 246 17 400.6 400.6 305.3 400.6 0.00 39 73 18405 -72.7 -87.7 9 15.0 -72.8 211 22 423.7 423.7 308.2 423.7 0.00 40 70 18650 -73.1 -88.1 8 15.0 -73.2 330 4 428.0 428.0 308.6 428.0 0.00 41 60 19551 -74.7 -89.7 8 15.0 -74.7 304 10 443.7 443.7 310.3 443.7 0.00 42 54 20175 -67.5 -90.5 2 23.0 -67.7 220 8 473.9 473.9 313.0 473.9 0.00 43 50 20640 -66.5 -90.5 2 24.0 -66.8 155 18 486.8 486.8 314.0 486.8 0.00 44 43 21561 -62.7 -89.7 1 27.0 -63.2 119 13 517.6 517.6 316.1 517.6 0.00 45 33 23196 -61.9 -88.9 2 27.0 -62.6 103 24 560.4 560.4 318.6 560.4 0.00 TRP 121 15478 -77.9 -81.4 57 3.5 -77.9 260 59 357.2 357.2 298.1 357.2 0.00 WND 145 14414 -69.6 -75.3 44 5.6 -69.7 260 71 353.5 353.5 297.4 353.6 0.01 Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 594.80 mb = 4524.43 m = 14843.75 ft Wetbulb zero: 595.41 mb = 4474.89 m = 14681.23 ft Precipitable water: 2.12 inches Sfc-500 mean rel hum: 83.87 % Est. max temperature: 34.21 C = 93.57 F Sfc-Lift cond lev (LCL): 916.83 mb = 853.51 m = 2800.20 ft T: 23.68 C 700-500 lapse rate: 5.57 C/km ThetaE index: 13.39 C Layer 850.0- 724.0 mb Conv cond level (CCL): 794.69 mb = 2092.35 m = 6864.58 ft Mean mixing ratio: 15.78 g/kg Conv temperature: 35.48 C = 95.87 F Cap Strength: 3.09 C Lifted Index: -3.51 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.39 C Lifted Index @700 mb: -1.94 C Showalter Index: -3.86 C Risk: Severe thunderstorms possible Total Totals Index: 50.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 23.40 C K Index: 41.50 Risk: > 80 % chance of thunderstorms Sweat Index: 250.20 Risk: None Energy Index: -3.21 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1173.52 J/kg Max Up Vert Vel: 48.45 m/s Conv Inhibition (B-): 110.43 J/kg Cap Strength: 3.07 C Lift Cond Lev (LCL): 872.16 mb = 1289.67 m = 4231.15 ft Lev Free Conv (LFC): 747.16 mb = 2614.23 m = 8576.77 ft Equ Level (EL): 177.16 mb = 13182.51 m = 43249.17 ft B at Equ Level: 1169.32 J/kg Max Parcel Lev (MPL): 97.16 mb = 16746.89 m = 54943.21 ft Wind level data Storm motion: 97 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 ---------------------------------------------------------- 0 983 243 10 5 -0.9 -4.9 | 308 10 7.6 -5.9 1 976 305 5 16 -1.4 -15.9 | 337 18 7.1 -16.9 2 943 610 355 25 2.2 -24.9 | 338 28 10.7 -25.9 3 925 776 345 21 5.4 -20.3 | 327 25 13.9 -21.3 4 910 914 350 20 3.5 -19.7 | 330 24 11.9 -20.7 5 879 1219 350 12 2.1 -11.8 | 321 17 10.6 -12.8 6 850 1513 5 7 -0.6 -7.0 | 315 11 7.9 -8.0 7 819 1829 85 4 -4.0 -0.3 | 287 5 4.5 -1.4 8 790 2134 70 9 -8.5 -3.1 | 360 4 0.0 -4.1 9 762 2438 85 11 -11.0 -1.0 | 52 3 -2.5 -2.0 10 709 3048 115 14 -12.7 5.9 | 139 6 -4.2 4.9 11 700 3161 105 16 -15.5 4.1 | 114 8 -7.0 3.1 12 684 3353 110 17 -16.0 5.8 | 123 9 -7.5 4.8 13 610 4267 125 5 -4.1 2.9 | 247 5 4.4 1.9 14 566 4877 90 13 -13.0 0.0 | 78 5 -4.5 -1.0 15 545 5182 255 10 9.7 2.6 | 265 18 18.1 1.6 16 500 5870 245 9 8.2 3.8 | 260 17 16.6 2.8 17 485 6096 210 6 3.0 5.2 | 250 12 11.5 4.2 18 448 6706 215 11 6.3 9.0 | 242 17 14.8 8.0 19 414 7315 225 21 14.8 14.8 | 239 27 23.3 13.8 20 400 7580 245 15 13.6 6.3 | 256 23 22.1 5.3 21 398 7620 245 15 13.6 6.3 | 256 23 22.1 5.3 22 382 7925 290 20 18.8 -6.8 | 286 28 27.3 -7.8 23 366 8230 290 28 26.3 -9.6 | 287 36 34.8 -10.6 24 337 8839 265 22 21.9 1.9 | 268 30 30.4 0.9 25 310 9449 280 37 36.4 -6.4 | 279 46 44.9 -7.4 26 300 9680 265 55 54.8 4.8 | 267 63 63.3 3.8 27 297 9754 265 55 54.8 4.8 | 267 63 63.3 3.8 28 250 10940 250 54 50.7 18.5 | 254 62 59.2 17.5 29 249 10973 255 55 53.1 14.2 | 258 63 61.6 13.2 30 227 11582 255 47 45.4 12.2 | 258 55 53.9 11.2 31 200 12420 260 60 59.1 10.4 | 262 68 67.6 9.4 32 162 13716 270 60 60.0 -0.0 | 271 68 68.5 -1.0 33 150 14210 265 65 64.8 5.7 | 266 73 73.2 4.7 34 145 14414 260 71 69.9 12.3 | 262 79 78.4 11.3 35 140 14630 260 71 69.9 12.3 | 262 79 78.4 11.3 36 121 15478 260 59 58.1 10.2 | 262 67 66.6 9.2 37 113 15850 260 59 58.1 10.2 | 262 67 66.6 9.2 38 100 16580 225 27 19.1 19.1 | 237 33 27.6 18.1 39 97 16764 225 26 18.4 18.4 | 237 32 26.9 17.4 40 92 17069 220 22 14.1 16.9 | 235 28 22.6 15.8 41 83 17678 250 16 15.0 5.5 | 259 24 23.5 4.5 42 75 18288 225 28 19.8 19.8 | 236 34 28.3 18.8 43 71 18593 190 13 2.3 12.8 | 222 16 10.7 11.8 44 70 18650 330 4 2.0 -3.5 | 293 11 10.5 -4.5 45 67 18898 275 2 2.0 -0.2 | 276 11 10.5 -1.2 46 64 19202 330 19 9.5 -16.5 | 314 25 18.0 -17.5 47 61 19507 310 12 9.2 -7.7 | 296 20 17.7 -8.7 48 58 19812 275 1 1.0 -0.1 | 277 10 9.5 -1.1 49 52 20422 185 13 1.1 13.0 | 219 15 9.6 11.9 50 50 20640 155 18 -7.6 16.3 | 183 15 0.9 15.3 51 49 20726 145 14 -8.0 11.5 | 182 10 0.4 10.5 52 46 21031 155 15 -6.3 13.6 | 190 13 2.1 12.6 53 43 21336 120 12 -10.4 6.0 | 159 5 -1.9 5.0 54 36 22250 105 28 -27.0 7.2 | 109 20 -18.6 6.2 55 28 23470 100 17 -16.7 3.0 | 103 8 -8.3 1.9 Wind Parameters Mean winds (0-6000m): 66.8 at 11.4 knts Storm direction: 96.8 at 8.5 knts Shear (0-3000m) pos: 5.7 neg: 3.0 tot: 8.7 10-3/s Storm rel Dir Shear (0-3000m): 170.1 deg Storm rel helicity (0-3000m) pos: 42.8 neg: -59.6 tot: -16.8 m^2/s^2 ave: -5.6 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 1.4 10^-3/s Energy-Hel index: 0.25 Bulk Rich Number: 23.77 Bulk Shear: 49.36 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 ------------------------------------------------------------------------------- 500 357 20 336 23| 0.0 17.8 17.8| 26.1 -31.2 -5.0 -10.1 0.14| 25.0 3.5 1000 353 19 331 22| 5.3 8.9 14.2| 28.7 -48.3 -19.6 -19.6 0.02| 17.9 0.3 1500 355 15 329 19| 7.3 5.9 13.2| 29.2 -53.0 -23.9 -15.9 -0.03| 15.8 -0.4 2000 3 13 331 16| 6.1 4.5 10.5| 34.3 -55.0 -20.8 -10.4 0.05| 13.9 0.7 2500 17 13 340 14| 6.0 3.6 9.5| 39.0 -55.0 -16.0 -6.4 0.13| 12.3 1.7 3000 34 13 353 12| 5.7 3.0 8.7| 42.8 -59.6 -16.8 -5.6 0.12| 11.5 1.4 4000 58 13 16 8| 3.3 2.2 5.6| 56.7 -59.6 -2.9 -0.7 0.23| 10.3 2.4 5000 65 12 22 6| 2.9 1.8 4.7|133.2 -64.0 69.3 13.9 0.34| 12.6 4.3 6000 67 11 20 6| 2.4 1.4 3.8|133.2 -82.8 50.4 8.4 0.28| 11.1 3.2 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251208.00.gif