UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 18 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 117 SFC 986 243 24.4 19.4 74 5.0 20.9 90 6 298.8 301.4 294.6 341.0 14.53 2 968 403 21.4 18.8 85 2.6 19.6 65 7 297.3 299.9 294.0 338.5 14.25 3 937 684 18.8 17.8 94 1.0 18.1 41 9 297.4 299.9 293.7 337.4 13.81 4 925 794 18.4 15.6 84 2.8 16.5 35 11 298.1 300.3 292.6 333.4 12.14 5 910 935 18.0 13.3 74 4.7 15.0 22 16 299.1 301.0 291.7 330.1 10.60 6 898 1049 19.0 14.0 73 5.0 15.7 7 13 301.3 303.3 292.9 334.5 11.26 7 850 1520 15.8 13.9 88 1.9 14.6 25 3 302.7 304.9 293.7 337.7 11.83 8 816 1864 13.0 11.2 89 1.8 11.9 106 6 303.3 305.2 292.7 333.9 10.29 9 799 2043 17.8 -18.2 7 36.0 3.9 125 8 310.2 310.4 286.8 314.0 1.14 10 793 2107 18.4 -24.6 4 43.0 3.5 132 9 311.5 311.7 286.6 313.8 0.66 11 700 3159 10.2 -24.8 7 35.0 -1.2 95 9 313.8 313.9 287.5 316.3 0.73 12 666 3570 6.6 -24.4 9 31.0 -3.2 124 7 314.2 314.4 287.8 317.0 0.80 13 531 5390 -5.1 -48.1 2 43.0 -12.3 238 8 321.2 321.3 289.2 321.6 0.09 14 500 5860 -7.7 -41.7 5 34.0 -14.0 200 12 323.7 323.7 290.1 324.4 0.20 15 478 6208 -10.1 -35.1 11 25.0 -15.4 217 11 324.9 325.0 290.7 326.4 0.40 16 431 6992 -17.5 -32.5 26 15.0 -20.5 260 18 325.2 325.3 290.9 327.3 0.58 17 426 7080 -17.7 -34.7 21 17.0 -20.9 264 19 326.1 326.2 291.1 327.8 0.47 18 419 7204 -16.7 -53.7 2 37.0 -21.1 272 22 328.9 328.9 291.5 329.1 0.06 19 400 7550 -18.9 -55.9 2 37.0 -22.8 270 31 330.4 330.4 291.9 330.6 0.05 20 388 7776 -20.1 -58.1 2 38.0 -23.8 270 29 331.7 331.7 292.2 331.9 0.04 21 353 8473 -21.5 -51.5 5 30.0 -25.0 274 55 338.9 339.0 294.1 339.3 0.09 22 336 8834 -24.5 -50.5 7 26.0 -27.4 284 63 339.7 339.7 294.3 340.1 0.11 23 329 8987 -25.1 -37.1 32 12.0 -27.1 282 63 340.9 341.0 295.0 342.8 0.48 24 300 9650 -29.7 -45.7 20 16.0 -31.5 265 64 343.5 343.6 295.4 344.4 0.21 25 269 10416 -36.7 -49.7 25 13.0 -37.7 256 67 344.2 344.2 295.5 344.8 0.15 26 250 10920 -40.1 -60.1 10 20.0 -41.1 265 74 346.4 346.5 295.9 346.6 0.05 27 221 11753 -45.9 -67.7 7 21.9 -46.5 265 78 350.0 350.0 296.7 350.1 0.02 28 219 11813 -46.3 -68.3 6 22.0 -46.9 265 78 350.2 350.2 296.7 350.3 0.02 29 200 12410 -51.7 -71.7 7 20.0 -52.1 270 76 350.9 350.9 296.8 351.0 0.01 30 179 13118 -57.9 -70.9 17 13.0 -58.1 270 73 352.1 352.1 297.1 352.1 0.01 31 158 13899 -60.7 -79.7 6 19.0 -60.9 282 68 360.1 360.1 298.7 360.1 0.00 32 150 14220 -63.5 -79.5 10 16.0 -63.6 270 62 360.7 360.7 298.8 360.7 0.00 33 101 16553 -78.5 -89.5 15 11.0 -78.5 252 47 375.0 375.0 301.4 375.0 0.00 34 100 16610 -78.7 -89.7 15 11.0 -78.7 250 47 375.7 375.7 301.5 375.7 0.00 35 99 16667 -78.7 -89.7 15 11.0 -78.7 245 45 376.8 376.8 301.7 376.8 0.00 36 82 17745 -78.1 -90.1 13 12.0 -78.1 204 38 398.8 398.8 305.0 398.8 0.00 37 79 17960 -75.3 -88.3 11 13.0 -75.3 203 31 408.9 408.9 306.4 408.9 0.00 38 75 18260 -77.7 -89.7 13 12.0 -77.7 200 20 410.0 410.0 306.5 410.0 0.00 39 71 18577 -73.9 -87.9 10 14.0 -74.0 195 15 424.6 424.6 308.2 424.6 0.00 40 70 18660 -74.3 -88.3 10 14.0 -74.3 160 2 425.4 425.4 308.3 425.4 0.00 41 59 19652 -75.9 -89.9 9 14.0 -76.0 181 9 443.2 443.2 310.2 443.2 0.00 42 57 19853 -71.5 -88.5 6 17.0 -71.6 183 11 457.5 457.5 311.5 457.5 0.00 43 52 20396 -71.1 -90.1 4 19.0 -71.2 171 17 470.6 470.6 312.7 470.6 0.00 44 50 20630 -67.1 -89.1 3 22.0 -67.3 115 12 485.4 485.4 313.9 485.4 0.00 45 48 20877 -66.5 -88.5 3 22.0 -66.8 110 12 492.5 492.5 314.4 492.5 0.00 46 44 21403 -67.7 -89.7 3 22.0 -67.9 88 14 502.0 502.0 315.1 502.0 0.00 47 41 21835 -61.9 -87.9 2 26.0 -62.4 52 17 526.7 526.7 316.7 526.7 0.00 48 33 23196 -56.7 -84.7 2 28.0 -57.9 81 10 574.2 574.2 319.4 574.3 0.01 49 30 23800 -57.1 -84.1 2 27.0 -58.3 100 17 589.0 589.0 320.1 589.0 0.01 50 24 25221 -54.5 -83.5 2 29.0 -56.5 104 14 635.3 635.4 322.1 635.5 0.02 51 22 25778 -54.7 -82.7 2 28.0 -56.8 68 27 650.8 650.8 322.7 650.9 0.02 TRP 99 16667 -78.7 -89.7 15 11.0 -78.7 245 45 376.8 376.8 301.7 376.8 0.00 WND 221 11753 -45.9 -67.7 7 21.9 -46.5 265 78 350.0 350.0 296.7 350.1 0.02 Sounding variables and indices 1000-500 mb thick: 5743.00 m Freezing level: 589.85 mb = 4596.46 m = 15080.06 ft Wetbulb zero: 722.86 mb = 2888.04 m = 9475.07 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 28.46 % Est. max temperature: 28.57 C = 83.43 F Sfc-Lift cond lev (LCL): 916.59 mb = 872.52 m = 2862.56 ft T: 18.18 C 700-500 lapse rate: 6.63 C/km ThetaE index: 23.93 C Layer 816.0- 700.0 mb Conv cond level (CCL): 839.64 mb = 1623.46 m = 5326.25 ft Mean mixing ratio: 12.83 g/kg Conv temperature: 28.51 C = 83.31 F Cap Strength: 7.01 C Lifted Index: 0.78 C Risk: Showers probable Lifted Index @300 mb: 6.84 C Lifted Index @700 mb: 3.82 C Showalter Index: 0.01 C Risk: Thunderstorms probable Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 21.60 C K Index: 2.40 Risk: None Sweat Index: 184.80 Risk: None Energy Index: -2.49 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.68 J/kg Max Up Vert Vel: 8.80 m/s Conv Inhibition (B-): 436.77 J/kg Cap Strength: 7.00 C Lift Cond Lev (LCL): 893.16 mb = 1095.25 m = 3593.30 ft Lev Free Conv (LFC): 458.16 mb = 6528.97 m = 21420.24 ft Equ Level (EL): 418.16 mb = 7218.46 m = 23682.34 ft B at Equ Level: 37.32 J/kg Max Parcel Lev (MPL): 378.16 mb = 7965.26 m = 26132.41 ft Wind level data Storm motion: 159 at 6 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 ---------------------------------------------------------- 0 986 243 90 6 -6.0 0.0 | 37 7 -4.0 -5.2 1 979 305 75 7 -6.8 -1.8 | 34 8 -4.8 -7.0 2 945 610 45 8 -5.7 -5.7 | 19 11 -3.6 -10.9 3 925 794 35 11 -6.3 -9.0 | 17 15 -4.3 -14.2 4 912 914 25 16 -6.8 -14.5 | 14 20 -4.8 -19.7 5 880 1219 345 10 2.6 -9.7 | 343 16 4.6 -14.9 6 850 1520 25 3 -1.3 -2.7 | 355 8 0.7 -7.9 7 850 1524 70 2 -1.9 -0.7 | 359 6 0.1 -5.9 8 790 2134 135 9 -6.4 6.4 | 105 5 -4.4 1.1 9 762 2438 120 8 -6.9 4.0 | 76 5 -4.9 -1.2 10 700 3159 95 9 -9.0 0.8 | 57 8 -7.0 -4.4 11 683 3353 85 10 -10.0 -0.9 | 53 10 -8.0 -6.1 12 633 3962 200 1 0.3 0.9 | 331 5 2.3 -4.3 13 610 4267 245 3 2.7 1.3 | 310 6 4.7 -4.0 14 504 5791 235 10 8.2 5.7 | 267 10 10.2 0.5 15 500 5860 200 12 4.1 11.3 | 225 9 6.1 6.1 16 485 6096 200 11 3.8 10.3 | 228 8 5.8 5.1 17 466 6401 250 11 10.3 3.8 | 277 12 12.3 -1.5 18 430 7010 260 18 17.7 3.1 | 276 20 19.7 -2.1 19 413 7315 280 24 23.6 -4.2 | 290 27 25.6 -9.4 20 400 7550 270 31 31.0 -0.0 | 279 33 33.0 -5.2 21 380 7925 270 27 27.0 -0.0 | 280 29 29.0 -5.2 22 364 8230 270 45 45.0 -0.0 | 276 47 47.0 -5.2 23 350 8534 275 58 57.8 -5.1 | 280 61 59.8 -10.3 24 335 8839 285 63 60.9 -16.3 | 289 66 62.9 -21.5 25 300 9650 265 64 63.8 5.6 | 270 66 65.8 0.4 26 271 10363 255 66 63.8 17.1 | 260 67 65.8 11.9 27 250 10920 265 74 73.7 6.4 | 269 76 75.7 1.2 28 221 11753 265 78 77.7 6.8 | 269 80 79.7 1.6 29 217 11887 265 78 77.7 6.8 | 269 80 79.7 1.6 30 200 12410 270 76 76.0 -0.0 | 274 78 78.0 -5.2 31 171 13411 270 71 71.0 -0.0 | 274 73 73.0 -5.2 32 155 14021 285 67 64.7 -17.3 | 289 70 66.7 -22.6 33 150 14220 270 62 62.0 -0.0 | 275 64 64.0 -5.2 34 140 14630 265 60 59.8 5.2 | 270 62 61.8 0.0 35 114 15850 275 45 44.8 -3.9 | 281 48 46.8 -9.1 36 100 16610 250 47 44.2 16.1 | 257 47 46.2 10.8 37 99 16667 245 45 40.8 19.0 | 252 45 42.8 13.8 38 97 16764 250 47 44.2 16.1 | 257 47 46.2 10.8 39 83 17678 205 41 17.3 37.2 | 211 37 19.3 31.9 40 75 18288 200 19 6.5 17.9 | 214 15 8.5 12.6 41 71 18593 195 15 3.9 14.5 | 212 11 5.9 9.3 42 70 18660 160 2 -0.7 1.9 | 338 4 1.3 -3.3 43 67 18898 175 1 -0.1 1.0 | 336 5 1.9 -4.2 44 55 20117 185 14 1.2 13.9 | 200 9 3.2 8.7 45 52 20422 170 17 -3.0 16.7 | 175 12 -0.9 11.5 46 50 20630 115 12 -10.9 5.1 | 89 9 -8.9 -0.2 47 49 20726 100 13 -12.8 2.3 | 75 11 -10.8 -3.0 48 47 21031 120 12 -10.4 6.0 | 95 8 -8.4 0.8 49 40 21946 45 17 -12.0 -12.0 | 30 20 -10.0 -17.2 50 39 22250 80 15 -14.8 -2.6 | 58 15 -12.8 -7.8 51 37 22555 45 14 -9.9 -9.9 | 28 17 -7.9 -15.1 52 35 22860 75 15 -14.5 -3.9 | 54 15 -12.5 -9.1 53 33 23165 80 9 -8.9 -1.6 | 45 10 -6.9 -6.8 54 30 23774 95 21 -20.9 1.8 | 80 19 -18.9 -3.4 55 30 23800 100 17 -16.7 3.0 | 81 15 -14.7 -2.3 56 24 24689 105 14 -13.5 3.6 | 82 12 -11.5 -1.6 57 22 24994 70 29 -27.3 -9.9 | 59 29 -25.2 -15.1 58 21 25298 60 16 -13.9 -8.0 | 42 18 -11.8 -13.2 59 19 25603 90 17 -17.0 0.0 | 71 16 -15.0 -5.2 60 16 26213 30 22 -11.0 -19.1 | 20 26 -9.0 -24.3 Wind Parameters Mean winds (0-6000m): 129.0 at 7.5 knts Storm direction: 159.0 at 5.6 knts Shear (0-3000m) pos: 2.9 neg: 2.7 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 18.1 deg Storm rel helicity (0-3000m) pos: 21.7 neg: -65.2 tot: -43.5 m^2/s^2 ave: -14.5 10^-3 m/s^2 rel: -0.12 Storm rel vorticity (0-3000m) horiz: 8.7 stream: -1.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.51 Bulk Shear: 11.01 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 56 8 25 11| 0.0 8.3 8.3| 0.0 -8.8 -8.8 -17.6 -0.40| 8.6 -3.5 1000 31 10 13 14| 0.0 6.3 6.3| 0.0 -57.8 -57.8 -57.8 -0.56| 12.7 -7.0 1500 29 8 9 13| 3.9 4.2 8.1| 13.5 -57.8 -44.3 -29.5 -0.21| 12.7 -2.7 2000 48 8 21 11| 4.4 3.1 7.5| 21.7 -58.8 -37.1 -18.5 -0.05| 11.4 -0.6 2500 66 8 33 10| 3.5 2.8 6.3| 21.7 -61.9 -40.2 -16.1 -0.10| 9.8 -0.9 3000 75 8 39 10| 2.9 2.7 5.6| 21.7 -65.2 -43.5 -14.5 -0.12| 8.7 -1.1 4000 78 7 38 9| 2.1 2.0 4.1| 26.4 -69.8 -43.4 -10.8 -0.13| 8.8 -1.2 5000 85 7 40 8| 1.8 1.5 3.4| 26.4 -77.2 -50.8 -10.2 -0.18| 7.5 -1.3 6000 129 7 82 4| 1.5 1.1 2.6| 36.4 -97.5 -61.1 -10.2 -0.20| 7.5 -1.5 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251218.12.gif