UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 9 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 28 SFC 976 243 20.6 19.8 95 0.8 20.1 210 5 295.8 298.5 294.1 339.1 15.06 2 925 702 17.0 16.9 99 0.1 17.0 250 19 296.7 299.1 293.0 334.8 13.21 3 899 945 15.6 15.1 97 0.5 15.3 253 20 297.7 299.9 292.4 332.8 12.09 4 885 1078 16.6 13.7 83 2.9 14.7 266 20 300.1 302.1 292.5 332.9 11.20 5 850 1422 15.8 13.0 83 2.8 14.0 275 25 302.7 304.8 293.2 335.7 11.14 6 845 1472 15.6 12.0 79 3.6 13.3 276 25 303.0 304.9 292.8 334.1 10.48 7 785 2096 12.2 12.2 100 0.0 12.2 294 31 305.8 307.9 294.4 340.2 11.45 8 717 2854 9.6 6.6 82 3.0 7.8 305 35 311.0 312.6 293.6 337.3 8.56 9 700 3054 8.8 -7.2 31 16.0 1.4 310 33 312.2 312.8 289.5 322.4 3.18 10 695 3113 8.4 -10.6 25 19.0 0.3 310 33 312.4 312.9 288.9 320.4 2.45 11 663 3499 5.0 -4.0 52 9.0 0.6 308 35 312.8 313.7 290.7 326.4 4.29 12 658 3561 5.6 -14.4 22 20.0 -2.3 307 36 314.2 314.6 288.9 320.5 1.90 13 604 4255 2.0 -18.0 21 20.0 -5.2 310 34 317.8 318.1 289.7 323.0 1.53 14 589 4458 2.6 -24.4 12 27.0 -6.0 298 29 320.8 321.0 290.0 324.0 0.90 15 585 4513 2.2 -11.8 35 14.0 -3.7 295 28 321.0 321.5 291.6 329.8 2.65 16 500 5760 -6.1 -21.1 29 15.0 -11.0 260 35 325.6 325.9 291.9 330.6 1.42 17 485 5998 -7.9 -18.9 41 11.0 -11.6 260 34 326.2 326.6 292.3 332.4 1.77 18 400 7470 -17.9 -33.9 23 16.0 -21.1 260 31 331.7 331.8 292.7 333.8 0.54 19 373 7988 -21.9 -39.9 18 18.0 -24.7 260 40 333.1 333.2 292.9 334.3 0.32 20 315 9212 -29.7 -62.7 3 33.0 -31.9 258 56 338.8 338.8 294.0 338.9 0.03 21 308 9372 -29.3 -64.3 2 35.0 -31.6 259 56 341.5 341.5 294.7 341.6 0.02 22 300 9560 -29.9 -66.9 1 37.0 -32.1 260 57 343.2 343.2 295.1 343.3 0.02 23 283 9975 -32.7 -68.7 2 36.0 -34.6 260 59 345.0 345.0 295.5 345.1 0.01 24 250 10840 -39.7 -72.7 2 33.0 -40.8 265 51 347.0 347.0 296.0 347.1 0.01 25 206 12129 -51.1 -76.1 4 25.0 -51.5 270 56 348.9 348.9 296.4 348.9 0.01 26 200 12320 -52.5 -77.5 3 25.0 -52.9 265 57 349.6 349.6 296.5 349.7 0.00 27 164 13574 -62.9 -77.9 12 15.0 -63.0 257 49 352.6 352.6 297.2 352.6 0.01 28 150 14120 -66.3 -80.3 12 14.0 -66.4 280 54 355.9 355.9 297.9 355.9 0.00 29 139 14578 -68.4 -82.4 12 14.0 -68.5 285 61 359.9 359.9 298.7 360.0 0.00 30 132 14886 -69.9 -83.9 11 14.0 -69.9 285 61 362.7 362.7 299.2 362.7 0.00 31 124 15256 -71.3 -84.3 13 13.0 -71.3 290 58 366.7 366.7 299.9 366.7 0.00 32 101 16471 -69.9 -87.9 6 18.0 -70.0 241 34 391.6 391.6 304.0 391.6 0.00 33 100 16530 -69.7 -87.7 6 18.0 -69.8 240 32 393.1 393.1 304.2 393.1 0.00 34 73 18385 -74.9 -88.9 10 14.0 -75.0 186 12 419.1 419.1 307.6 419.1 0.00 35 70 18630 -73.9 -88.9 8 15.0 -74.0 150 13 426.3 426.3 308.4 426.3 0.00 36 57 19836 -72.1 -91.1 4 19.0 -72.2 149 19 456.2 456.2 311.4 456.2 0.00 37 54 20154 -72.9 -90.9 5 18.0 -73.0 142 14 461.4 461.4 311.9 461.4 0.00 38 50 20610 -68.9 -91.9 2 23.0 -69.1 80 13 481.1 481.1 313.5 481.1 0.00 39 41 21813 -62.9 -90.9 1 28.0 -63.4 75 13 524.2 524.2 316.6 524.2 0.00 40 39 22120 -64.1 -91.1 1 27.0 -64.6 37 12 528.7 528.7 316.8 528.7 0.00 41 30 23750 -57.5 -88.5 1 31.0 -58.7 130 8 587.9 587.9 320.0 587.9 0.01 42 29 23964 -57.3 -88.3 1 31.0 -58.6 134 9 594.2 594.2 320.3 594.2 0.01 43 22 25726 -53.5 -86.5 1 33.0 -55.9 80 12 654.3 654.3 322.9 654.4 0.01 44 22 25726 -54.5 -86.5 1 32.0 -56.6 80 12 651.4 651.4 322.7 651.4 0.01 TRP 124 15256 -71.3 -84.3 13 13.0 -71.3 290 58 366.7 366.7 299.9 366.7 0.00 WND 139 14578 -68.4 -82.4 12 14.0 -68.5 285 61 359.9 359.9 298.7 360.0 0.00 Sounding variables and indices 1000-500 mb thick: 5732.00 m Freezing level: 562.47 mb = 4843.71 m = 15891.24 ft Wetbulb zero: 661.95 mb = 3512.33 m = 11523.27 ft Precipitable water: 1.45 inches Sfc-500 mean rel hum: 58.58 % Est. max temperature: 28.61 C = 83.50 F Sfc-Lift cond lev (LCL): 964.91 mb = 340.75 m = 1117.92 ft T: 19.83 C 700-500 lapse rate: 5.51 C/km ThetaE index: 19.79 C Layer 717.0- 663.0 mb Conv cond level (CCL): 919.31 mb = 754.54 m = 2475.50 ft Mean mixing ratio: 13.10 g/kg Conv temperature: 21.70 C = 71.06 F Cap Strength: 3.87 C Lifted Index: 2.73 C Risk: None Lifted Index @300 mb: 7.11 C Lifted Index @700 mb: 2.69 C Showalter Index: 2.49 C Risk: Showers probable Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.10 C K Index: 18.90 Risk: < 20 % chance of thunderstorms Sweat Index: 241.00 Risk: None Energy Index: -0.97 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.90 J/kg Max Up Vert Vel: 5.98 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 3.74 C Lift Cond Lev (LCL): 914.78 mb = 796.66 m = 2613.68 ft Lev Free Conv (LFC): 909.78 mb = 843.35 m = 2766.85 ft Equ Level (EL): 889.78 mb = 1032.63 m = 3387.85 ft B at Equ Level: 15.72 J/kg Max Parcel Lev (MPL): 849.78 mb = 1424.22 m = 4672.59 ft Wind level data Storm motion: 317 at 22 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 ---------------------------------------------------------- 0 976 243 210 5 2.5 4.3 | 148 24 -12.8 20.5 1 969 305 260 11 10.8 1.9 | 166 19 -4.4 18.1 2 935 610 250 17 16.0 5.8 | 182 22 0.7 22.0 3 925 702 250 19 17.9 6.5 | 187 23 2.6 22.7 4 902 914 250 20 18.8 6.8 | 189 23 3.5 23.0 5 870 1219 280 20 19.7 -3.5 | 199 13 4.4 12.7 6 850 1422 275 25 24.9 -2.2 | 215 17 9.7 14.0 7 781 2134 295 31 28.1 -13.1 | 257 13 12.8 3.1 8 753 2438 295 33 29.9 -13.9 | 261 15 14.7 2.2 9 700 3048 310 36 27.6 -23.1 | 300 14 12.3 -7.0 10 700 3054 310 33 25.3 -21.2 | 297 11 10.0 -5.1 11 625 3962 305 38 31.1 -21.8 | 290 17 15.9 -5.6 12 602 4267 310 34 26.0 -21.9 | 298 12 10.8 -5.7 13 580 4572 290 26 24.4 -8.9 | 232 12 9.2 7.3 14 500 5760 260 35 34.5 6.1 | 221 29 19.2 22.2 15 479 6096 260 33 32.5 5.7 | 218 28 17.2 21.9 16 400 7470 260 31 30.5 5.4 | 215 26 15.3 21.5 17 392 7620 260 31 30.5 5.4 | 215 26 15.3 21.5 18 360 8230 260 46 45.3 8.0 | 231 39 30.0 24.1 19 345 8534 255 53 51.2 13.7 | 230 47 35.9 29.9 20 300 9560 260 57 56.1 9.9 | 237 48 40.9 26.1 21 279 10058 260 59 58.1 10.2 | 238 50 42.8 26.4 22 250 10840 265 51 50.8 4.4 | 240 41 35.6 20.6 23 204 12192 270 56 56.0 -0.0 | 248 44 40.7 16.2 24 200 12320 265 57 56.8 5.0 | 243 47 41.5 21.1 25 168 13411 255 50 48.3 12.9 | 229 44 33.0 29.1 26 152 14021 265 47 46.8 4.1 | 237 38 31.6 20.2 27 150 14120 280 54 53.2 -9.4 | 260 39 37.9 6.8 28 139 14578 285 61 58.9 -15.8 | 270 44 43.7 0.4 29 131 14935 285 61 58.9 -15.8 | 270 44 43.7 0.4 30 124 15256 290 58 54.5 -19.8 | 275 39 39.2 -3.7 31 118 15545 295 60 54.4 -25.4 | 283 40 39.1 -9.2 32 112 15850 250 52 48.9 17.8 | 225 48 33.6 33.9 33 100 16530 240 32 27.7 16.0 | 201 34 12.5 32.2 34 96 16764 240 32 27.7 16.0 | 201 34 12.5 32.2 35 91 17069 245 28 25.4 11.8 | 200 30 10.1 28.0 36 78 17983 225 16 11.3 11.3 | 172 28 -3.9 27.5 37 74 18288 200 12 4.1 11.3 | 158 30 -11.1 27.4 38 70 18630 150 13 -6.5 11.3 | 142 35 -21.8 27.4 39 67 18898 180 18 0.0 18.0 | 156 37 -15.3 34.2 40 64 19202 115 11 -10.0 4.6 | 130 33 -25.2 20.8 41 60 19507 100 2 -2.0 0.3 | 134 24 -17.2 16.5 42 57 19812 150 20 -10.0 17.3 | 143 42 -25.3 33.5 43 54 20117 140 14 -9.0 10.7 | 138 36 -24.3 26.9 44 52 20422 155 17 -7.2 15.4 | 145 39 -22.4 31.6 45 50 20610 80 13 -12.8 -2.3 | 116 31 -28.1 13.9 46 49 20726 140 17 -10.9 13.0 | 138 39 -26.2 29.2 47 47 21031 65 12 -10.9 -5.1 | 113 28 -26.1 11.1 48 42 21641 115 13 -11.8 5.5 | 129 35 -27.0 21.6 49 40 21946 50 13 -10.0 -8.4 | 107 26 -25.2 7.8 50 38 22250 30 12 -6.0 -10.4 | 105 22 -21.3 5.8 51 35 22860 185 10 0.9 10.0 | 151 30 -14.4 26.1 52 33 23165 170 15 -2.6 14.8 | 150 36 -17.9 30.9 53 31 23470 95 11 -11.0 1.0 | 123 31 -26.2 17.1 54 30 23750 130 8 -6.1 5.1 | 135 30 -21.4 21.3 55 28 24079 140 10 -6.4 7.7 | 138 32 -21.7 23.8 56 26 24384 130 13 -10.0 8.4 | 134 35 -25.2 24.5 57 24 24689 65 13 -11.8 -5.5 | 112 29 -27.0 10.7 58 22 24994 80 12 -11.8 -2.1 | 117 31 -27.1 14.1 59 19 25603 60 12 -10.4 -6.0 | 112 28 -25.6 10.2 60 18 25908 30 10 -5.0 -8.7 | 110 22 -20.3 7.5 61 16 26213 50 16 -12.3 -10.3 | 102 28 -27.5 5.9 Wind Parameters Mean winds (0-6000m): 286.6 at 29.6 knts Storm direction: 316.6 at 22.2 knts Shear (0-3000m) pos: 6.0 neg: 0.0 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 147.0 deg Storm rel helicity (0-3000m) pos: 198.0 neg: -3.1 tot: 194.9 m^2/s^2 ave: 65.0 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 7.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.35 Bulk Shear: 50.62 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 ------------------------------------------------------------------------------- 500 252 14 176 21| 16.1 0.0 16.1| 78.6 0.0 78.6 157.2 0.83| 17.7 14.7 1000 257 17 184 20| 10.0 0.0 10.0|102.6 0.0 102.6 102.6 0.68| 14.4 9.8 1500 266 20 194 18| 9.2 0.0 9.2|135.4 0.0 135.4 90.3 0.72| 12.9 9.3 2000 275 22 206 16| 8.1 0.0 8.1|160.1 0.0 160.1 80.0 0.75| 11.5 8.7 2500 281 25 218 14| 7.2 0.0 7.2|180.3 0.0 180.3 72.1 0.77| 10.4 8.0 3000 287 26 229 13| 6.0 0.0 6.0|198.0 -3.1 194.9 65.0 0.73| 10.0 7.4 4000 294 29 248 12| 4.3 0.4 4.7|205.2 -8.3 196.9 49.2 0.64| 8.7 5.6 5000 293 29 246 12| 3.4 2.2 5.6|205.2 -52.8 152.5 30.5 0.32| 9.3 3.0 6000 287 30 240 15| 2.8 2.5 5.3|205.2 -83.6 121.6 20.3 0.25| 8.6 2.1 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251209.12.gif