UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 3 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 66 SFC 981 243 24.6 21.5 83 3.1 22.4 0 0 299.4 302.4 296.2 348.1 16.68 2 975 297 27.8 20.8 66 7.0 22.8 208 4 303.1 306.1 296.8 350.8 16.06 3 969 351 27.6 20.6 66 7.0 22.6 184 6 303.5 306.4 296.8 350.9 15.96 4 925 756 24.4 18.4 69 6.0 20.2 175 11 304.3 307.0 296.1 347.6 14.55 5 889 1104 21.2 17.3 78 3.9 18.5 174 15 304.4 307.0 295.8 346.5 14.11 6 850 1493 18.4 13.8 75 4.6 15.4 165 17 305.4 307.6 294.4 340.6 11.75 7 824 1759 16.4 11.4 72 5.0 13.2 174 15 306.0 308.0 293.6 337.1 10.33 8 753 2520 11.6 6.6 71 5.0 8.6 210 17 308.8 310.3 292.7 333.7 8.15 9 707 3045 8.0 1.0 61 7.0 4.2 245 17 310.5 311.6 291.3 328.6 5.83 10 701 3115 8.0 -4.0 42 12.0 2.1 245 18 311.2 312.0 290.0 324.0 4.06 11 700 3127 8.0 -6.0 36 14.0 1.4 245 18 311.3 312.0 289.5 322.4 3.49 12 685 3305 9.0 -32.0 4 41.0 -2.4 237 20 314.4 314.5 287.3 315.8 0.38 13 595 4451 0.8 -37.2 4 38.0 -7.9 251 23 317.8 317.9 288.3 318.8 0.26 14 517 5567 -3.9 -48.9 2 45.0 -11.8 294 12 325.2 325.2 290.4 325.5 0.09 15 500 5830 -5.7 -49.7 2 44.0 -13.0 290 15 326.1 326.1 290.7 326.4 0.08 16 400 7540 -19.7 -51.7 4 32.0 -23.4 265 21 329.4 329.4 291.6 329.7 0.08 17 387 7784 -20.9 -55.9 3 35.0 -24.4 257 26 330.9 330.9 292.0 331.1 0.05 18 380 7918 -20.5 -53.5 4 33.0 -24.1 246 32 333.2 333.2 292.7 333.5 0.07 19 322 9125 -26.3 -52.3 7 26.0 -28.9 246 76 341.3 341.4 294.7 341.7 0.09 20 300 9630 -30.7 -46.7 19 16.0 -32.4 260 77 342.1 342.1 295.0 342.9 0.19 21 253 10819 -40.9 -44.1 71 3.2 -41.2 283 72 344.1 344.1 295.6 345.3 0.30 22 250 10900 -41.5 -45.4 66 3.9 -41.8 285 72 344.4 344.4 295.6 345.4 0.26 23 223 11662 -46.7 -53.7 45 7.0 -47.0 280 75 347.8 347.8 296.3 348.3 0.11 24 202 12306 -52.5 -56.0 66 3.5 -52.6 275 80 348.6 348.7 296.4 349.0 0.10 25 200 12370 -53.1 -57.0 62 3.9 -53.2 275 81 348.7 348.7 296.4 349.0 0.09 26 186 12833 -57.3 -65.3 36 8.0 -57.5 272 86 349.2 349.2 296.5 349.3 0.03 27 182 12970 -58.3 -60.7 74 2.4 -58.3 272 87 349.7 349.8 296.6 350.0 0.06 28 174 13252 -59.7 -65.0 50 5.3 -59.8 270 90 352.0 352.0 297.1 352.1 0.04 29 150 14170 -64.3 -79.3 11 15.0 -64.4 260 69 359.3 359.3 298.5 359.3 0.00 30 139 14634 -65.5 -82.5 8 17.0 -65.6 257 64 365.1 365.1 299.7 365.1 0.00 31 130 15043 -63.3 -85.3 4 22.0 -63.4 258 54 376.1 376.1 301.6 376.1 0.00 32 100 16600 -77.5 -87.5 19 10.0 -77.5 290 40 378.0 378.0 301.9 378.0 0.00 33 94 16952 -79.9 -89.9 17 10.0 -79.9 285 41 380.0 380.0 302.2 380.0 0.00 34 89 17262 -77.5 -88.5 15 11.0 -77.5 276 39 390.8 390.8 303.9 390.8 0.00 35 76 18158 -80.7 -89.7 21 9.0 -80.7 263 30 402.2 402.2 305.5 402.2 0.00 36 70 18630 -72.9 -86.9 10 14.0 -73.0 280 4 428.4 428.4 308.7 428.4 0.00 37 69 18715 -72.7 -87.7 9 15.0 -72.8 269 6 430.6 430.6 308.9 430.6 0.00 38 66 18975 -73.5 -88.5 8 15.0 -73.6 252 10 434.4 434.4 309.3 434.4 0.00 39 61 19442 -68.9 -87.9 5 19.0 -69.1 295 2 454.5 454.5 311.3 454.5 0.00 40 55 20058 -71.1 -90.1 4 19.0 -71.2 354 5 463.1 463.1 312.1 463.2 0.00 41 50 20630 -65.7 -88.7 3 23.0 -66.0 50 10 488.7 488.7 314.1 488.7 0.00 42 47 21006 -66.9 -89.9 3 23.0 -67.1 60 10 494.5 494.5 314.5 494.5 0.00 43 37 22483 -59.3 -87.3 1 28.0 -60.1 121 23 549.0 549.0 318.1 549.1 0.01 44 35 22831 -60.5 -87.5 2 27.0 -61.3 99 25 554.7 554.7 318.3 554.7 0.01 45 30 23800 -57.7 -86.7 1 29.0 -58.9 65 26 587.3 587.3 320.0 587.4 0.01 46 29 24014 -57.7 -86.7 1 29.0 -58.9 64 26 593.1 593.1 320.3 593.1 0.01 TRP 94 16952 -79.9 -89.9 17 10.0 -79.9 285 41 380.0 380.0 302.2 380.0 0.00 WND 174 13252 -59.7 -65.0 50 5.3 -59.8 270 90 352.0 352.0 297.1 352.1 0.04 Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 581.72 mb = 4641.05 m = 15226.37 ft Wetbulb zero: 694.47 mb = 3192.35 m = 10473.46 ft Precipitable water: 1.30 inches Sfc-500 mean rel hum: 37.38 % Est. max temperature: 31.04 C = 87.88 F Sfc-Lift cond lev (LCL): 937.97 mb = 634.60 m = 2081.99 ft T: 25.36 C 700-500 lapse rate: 5.07 C/km ThetaE index: 35.10 C Layer 925.0- 595.0 mb Conv cond level (CCL): 833.55 mb = 1660.15 m = 5446.64 ft Mean mixing ratio: 14.90 g/kg Conv temperature: 30.98 C = 87.77 F Cap Strength: 1.28 C Lifted Index: -2.15 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.36 C Lifted Index @700 mb: -2.10 C Showalter Index: 0.84 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 19.50 C K Index: 23.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 341.99 Risk: Showers and thunderstorms possible Energy Index: -2.67 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 831.91 J/kg Max Up Vert Vel: 40.79 m/s Conv Inhibition (B-): 23.09 J/kg Cap Strength: 1.28 C Lift Cond Lev (LCL): 856.47 mb = 1427.21 m = 4682.38 ft Lev Free Conv (LFC): 811.47 mb = 1888.11 m = 6194.52 ft Equ Level (EL): 221.47 mb = 11706.87 m = 38407.90 ft B at Equ Level: 828.68 J/kg Max Parcel Lev (MPL): 121.47 mb = 15445.69 m = 50674.21 ft Wind level data Storm motion: 263 at 13 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 ---------------------------------------------------------- 0 981 243 0 0 -0.0 -0.0 | 83 13 -12.5 -1.6 1 974 305 185 5 0.4 5.0 | 106 13 -12.1 3.4 2 941 610 180 12 0.0 12.0 | 130 16 -12.5 10.4 3 925 756 175 11 -1.0 11.0 | 125 16 -13.4 9.4 4 908 914 180 12 0.0 12.0 | 130 16 -12.5 10.4 5 877 1219 170 17 -3.0 16.7 | 134 22 -15.4 15.1 6 850 1493 165 17 -4.4 16.4 | 131 22 -16.9 14.8 7 847 1524 165 17 -4.4 16.4 | 131 22 -16.9 14.8 8 788 2134 190 12 2.1 11.8 | 134 15 -10.4 10.2 9 760 2438 205 17 7.2 15.4 | 159 15 -5.3 13.8 10 707 3048 245 17 15.4 7.2 | 208 6 2.9 5.6 11 700 3127 245 18 16.3 7.6 | 212 7 3.8 6.0 12 681 3353 235 21 17.2 12.0 | 204 11 4.7 10.4 13 607 4267 250 25 23.5 8.6 | 238 13 11.0 7.0 14 542 5182 255 16 15.5 4.1 | 229 4 3.0 2.5 15 522 5486 295 11 10.0 -4.6 | 22 7 -2.5 -6.2 16 500 5830 290 15 14.1 -5.1 | 347 7 1.6 -6.7 17 483 6096 295 16 14.5 -6.8 | 346 9 2.0 -8.4 18 429 7010 315 27 19.1 -19.1 | 342 22 6.6 -20.7 19 400 7540 265 21 20.9 1.8 | 268 8 8.4 0.2 20 396 7620 270 18 18.0 -0.0 | 286 6 5.5 -1.6 21 379 7925 245 33 29.9 13.9 | 235 21 17.4 12.4 22 364 8230 240 52 45.0 26.0 | 233 41 32.5 24.4 23 349 8534 240 65 56.3 32.5 | 235 54 43.8 30.9 24 308 9449 250 82 77.1 28.0 | 248 70 64.6 26.5 25 300 9630 260 77 75.8 13.4 | 259 64 63.3 11.8 26 250 10900 285 72 69.5 -18.6 | 290 61 57.1 -20.2 27 247 10973 285 69 66.6 -17.9 | 290 58 54.2 -19.5 28 200 12370 275 81 80.7 -7.1 | 277 69 68.2 -8.7 29 174 13252 270 90 90.0 -0.0 | 271 78 77.5 -1.6 30 170 13411 270 90 90.0 -0.0 | 271 78 77.5 -1.6 31 150 14170 260 69 68.0 12.0 | 259 56 55.5 10.4 32 132 14935 255 61 58.9 15.8 | 253 49 46.4 14.2 33 125 15240 265 39 38.9 3.4 | 266 26 26.4 1.8 34 113 15850 295 28 25.4 -11.8 | 316 19 12.9 -13.4 35 100 16600 290 40 37.6 -13.7 | 301 29 25.1 -15.3 36 97 16764 290 39 36.6 -13.3 | 302 28 24.2 -14.9 37 94 16952 285 41 39.6 -10.6 | 294 30 27.1 -12.2 38 83 17678 265 36 35.9 3.1 | 266 23 23.4 1.5 39 78 17983 270 30 30.0 -0.0 | 275 18 17.5 -1.6 40 70 18593 245 30 27.2 12.7 | 233 18 14.7 11.1 41 70 18630 280 4 3.9 -0.7 | 75 9 -8.6 -2.3 42 67 18898 245 11 10.0 4.6 | 140 4 -2.5 3.1 43 60 19507 300 1 0.9 -0.5 | 80 12 -11.6 -2.1 44 50 20630 50 10 -7.7 -6.4 | 68 22 -20.2 -8.0 45 47 21031 60 10 -8.7 -5.0 | 73 22 -21.2 -6.6 46 42 21641 145 10 -5.7 8.2 | 110 19 -18.2 6.6 47 40 21946 160 10 -3.4 9.4 | 116 18 -15.9 7.8 48 39 22250 125 12 -9.8 6.9 | 103 23 -22.3 5.3 49 37 22555 120 25 -21.7 12.5 | 108 36 -34.1 10.9 50 33 23165 75 26 -25.1 -6.7 | 78 39 -37.6 -8.3 51 32 23470 70 23 -21.6 -7.9 | 74 35 -34.1 -9.5 52 30 23774 90 20 -20.0 0.0 | 87 33 -32.5 -1.6 53 30 23800 65 26 -23.6 -11.0 | 71 38 -36.1 -12.6 54 26 24384 60 27 -23.4 -13.5 | 67 39 -35.9 -15.1 Wind Parameters Mean winds (0-6000m): 232.7 at 16.8 knts Storm direction: 262.7 at 12.6 knts Shear (0-3000m) pos: 3.4 neg: 1.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 125.5 deg Storm rel helicity (0-3000m) pos: 102.8 neg: -11.2 tot: 91.6 m^2/s^2 ave: 30.5 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 4.6 10^-3/s Energy-Hel index: 0.33 Bulk Rich Number: 34.95 Bulk Shear: 23.80 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 ------------------------------------------------------------------------------- 500 180 9 119 14| 11.4 0.0 11.4| 36.7 -4.2 32.6 65.1 0.75| 13.3 10.0 1000 177 11 126 16| 5.7 3.1 8.8| 48.9 -4.2 44.8 44.8 0.63| 10.1 6.4 1500 173 13 129 18| 3.2 2.1 5.3| 53.6 -10.0 43.6 29.0 0.51| 8.1 4.2 2000 175 13 130 18| 2.5 1.6 4.0| 63.3 -10.1 53.2 26.6 0.48| 7.9 3.8 2500 184 14 136 17| 3.2 1.3 4.5| 92.6 -10.1 82.6 33.0 0.56| 8.4 4.7 3000 194 14 144 15| 3.4 1.0 4.4|102.8 -11.2 91.6 30.5 0.54| 8.5 4.6 4000 212 17 164 13| 3.3 0.8 4.1|124.4 -13.0 111.5 27.9 0.56| 7.6 4.3 5000 223 17 177 11| 1.8 0.6 2.4|126.6 -14.2 112.4 22.5 0.49| 7.2 3.6 6000 233 17 186 9| 1.9 0.5 2.5|131.2 -22.0 109.1 18.2 0.43| 7.3 3.1 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251203.00.gif