UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 4 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 77 SFC 982 243 23.0 16.0 65 7.0 18.4 0 0 297.7 299.8 292.2 331.7 11.72 2 976 296 25.8 13.8 47 12.0 17.9 235 10 301.0 302.9 292.0 331.1 10.21 3 969 359 26.4 14.4 48 12.0 18.4 212 14 302.3 304.2 292.8 333.9 10.70 4 925 762 23.8 12.8 50 11.0 16.7 195 22 303.6 305.5 292.7 333.7 10.09 5 850 1495 18.2 9.2 56 9.0 12.6 155 18 305.2 306.8 292.0 331.1 8.62 6 830 1698 16.8 7.8 55 9.0 11.3 152 16 305.8 307.3 291.7 330.1 8.02 7 824 1760 16.6 5.6 48 11.0 10.2 151 16 306.2 307.5 290.9 327.3 6.93 8 811 1896 17.2 -6.8 19 24.0 5.9 153 16 308.3 308.8 287.8 317.2 2.83 9 700 3129 7.2 -11.8 24 19.0 -0.6 205 9 310.5 310.9 287.9 317.6 2.21 10 676 3414 4.6 -11.4 30 16.0 -1.9 222 8 310.7 311.1 288.2 318.3 2.36 11 660 3608 4.2 -16.8 20 21.0 -3.4 230 15 312.3 312.6 287.9 317.5 1.55 12 609 4256 0.0 -10.0 47 10.0 -4.2 245 36 314.8 315.3 290.0 324.3 2.94 13 595 4441 0.0 -33.0 6 33.0 -8.1 244 36 316.9 317.0 288.2 318.3 0.40 14 556 4981 -2.5 -39.5 4 37.0 -10.3 242 31 320.1 320.2 289.0 321.0 0.22 15 503 5764 -9.3 -38.3 7 29.0 -14.9 231 30 321.2 321.2 289.4 322.2 0.28 16 500 5810 -9.5 -38.5 7 29.0 -15.0 230 30 321.5 321.5 289.5 322.5 0.27 17 443 6744 -12.3 -54.3 2 42.0 -17.9 236 36 329.2 329.3 291.6 329.5 0.05 18 400 7520 -17.3 -56.3 2 39.0 -21.7 255 43 332.5 332.5 292.4 332.7 0.05 19 300 9610 -31.7 -67.7 2 36.0 -33.6 255 70 340.7 340.7 294.5 340.8 0.01 20 287 9921 -33.7 -67.7 2 34.0 -35.4 255 71 342.2 342.2 294.8 342.2 0.01 21 250 10870 -42.3 -69.3 4 27.0 -43.2 255 75 343.2 343.2 295.1 343.2 0.01 22 247 10952 -43.1 -70.1 4 27.0 -43.9 255 76 343.2 343.2 295.1 343.2 0.01 23 200 12350 -52.5 -74.5 5 22.0 -52.8 250 86 349.6 349.6 296.5 349.7 0.01 24 195 12513 -53.6 -75.0 6 21.4 -53.9 250 88 350.4 350.4 296.7 350.5 0.01 25 155 13950 -63.5 -79.5 10 16.0 -63.6 259 85 357.3 357.3 298.2 357.3 0.00 26 150 14150 -64.5 -81.5 8 17.0 -64.6 255 72 359.0 359.0 298.5 359.0 0.00 27 127 15158 -69.1 -84.1 10 15.0 -69.2 258 59 368.2 368.2 300.2 368.2 0.00 28 100 16570 -74.5 -90.5 7 16.0 -74.5 240 30 383.8 383.8 302.9 383.8 0.00 29 82 17720 -75.3 -88.3 11 13.0 -75.3 246 27 404.6 404.6 305.8 404.6 0.00 30 75 18232 -78.5 -89.5 15 11.0 -78.5 265 26 408.3 408.3 306.3 408.3 0.00 31 70 18630 -73.7 -88.7 8 15.0 -73.7 220 14 426.7 426.7 308.5 426.7 0.00 32 69 18714 -72.3 -88.3 7 16.0 -72.4 220 17 431.5 431.5 309.0 431.5 0.00 33 64 19156 -74.1 -90.1 7 16.0 -74.2 224 11 436.9 436.9 309.6 436.9 0.00 34 60 19539 -67.3 -90.3 2 23.0 -67.5 211 11 460.3 460.3 311.8 460.3 0.00 35 56 19953 -69.1 -90.1 3 21.0 -69.2 194 12 465.3 465.3 312.3 465.3 0.00 36 50 20640 -63.9 -89.9 2 26.0 -64.3 80 7 492.9 492.9 314.4 492.9 0.00 37 44 21426 -62.7 -88.7 2 26.0 -63.1 98 7 514.2 514.2 315.9 514.2 0.00 TRP 75 18232 -78.5 -89.5 15 11.0 -78.5 265 26 408.3 408.3 306.3 408.3 0.00 WND 195 12513 -53.6 -75.0 6 21.4 -53.9 250 88 350.4 350.4 296.7 350.5 0.01 Sounding variables and indices 1000-500 mb thick: 5733.00 m Freezing level: 595.00 mb = 4441.42 m = 14571.40 ft Wetbulb zero: 710.66 mb = 3002.31 m = 9849.99 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 27.63 % Est. max temperature: 31.03 C = 87.85 F Sfc-Lift cond lev (LCL): 885.99 mb = 1135.48 m = 3725.27 ft T: 20.95 C 700-500 lapse rate: 6.23 C/km ThetaE index: 16.70 C Layer 925.0- 700.0 mb Conv cond level (CCL): 719.29 mb = 2901.13 m = 9518.04 ft Mean mixing ratio: 10.11 g/kg Conv temperature: 35.32 C = 95.58 F Cap Strength: 5.13 C Lifted Index: 0.21 C Risk: Showers probable Lifted Index @300 mb: 6.54 C Lifted Index @700 mb: 1.73 C Showalter Index: 1.20 C Risk: Showers probable Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 18.70 C K Index: 17.90 Risk: < 20 % chance of thunderstorms Sweat Index: 322.14 Risk: Showers and thunderstorms possible Energy Index: -1.59 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.54 J/kg Max Up Vert Vel: 5.01 m/s Conv Inhibition (B-): 13165.07 J/kg Cap Strength: 5.13 C Lift Cond Lev (LCL): 792.49 mb = 2089.01 m = 6853.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 249 at 16 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 ---------------------------------------------------------- 0 982 243 0 0 -0.0 -0.0 | 69 16 -15.3 -5.9 1 975 305 215 12 6.9 9.8 | 115 9 -8.4 3.9 2 941 610 200 22 7.5 20.7 | 152 17 -7.7 14.7 3 925 762 195 22 5.7 21.3 | 148 18 -9.6 15.3 4 909 914 185 21 1.8 20.9 | 138 20 -13.4 15.0 5 850 1495 155 18 -7.6 16.3 | 114 25 -22.9 10.4 6 847 1524 155 18 -7.6 16.3 | 114 25 -22.9 10.4 7 817 1829 150 15 -7.5 13.0 | 107 24 -22.8 7.1 8 788 2134 165 19 -4.9 18.4 | 122 24 -20.2 12.4 9 760 2438 170 13 -2.3 12.8 | 111 19 -17.5 6.9 10 700 3129 205 9 3.8 8.2 | 101 12 -11.5 2.2 11 681 3353 220 6 3.9 4.6 | 83 11 -11.4 -1.3 12 630 3962 245 28 25.4 11.8 | 240 12 10.1 5.9 13 607 4267 245 37 33.5 15.6 | 242 21 18.3 9.7 14 521 5486 240 27 23.4 13.5 | 227 11 8.1 7.6 15 500 5810 230 30 23.0 19.3 | 210 15 7.7 13.4 16 482 6096 220 30 19.3 23.0 | 193 18 4.0 17.0 17 400 7520 255 43 41.5 11.1 | 259 27 26.3 5.2 18 395 7620 255 43 41.5 11.1 | 259 27 26.3 5.2 19 363 8230 240 55 47.6 27.5 | 236 39 32.4 21.6 20 348 8534 230 57 43.7 36.6 | 223 42 28.4 30.7 21 300 9610 255 70 67.6 18.1 | 257 54 52.4 12.2 22 294 9754 255 70 67.6 18.1 | 257 54 52.4 12.2 23 250 10870 255 75 72.4 19.4 | 257 59 57.2 13.5 24 200 12350 250 86 80.8 29.4 | 250 70 65.6 23.5 25 195 12513 250 88 82.7 30.1 | 250 72 67.4 24.2 26 186 12802 250 88 82.7 30.1 | 250 72 67.4 24.2 27 153 14021 260 85 83.7 14.8 | 263 69 68.4 8.8 28 150 14150 255 72 69.5 18.6 | 257 56 54.3 12.7 29 132 14935 255 58 56.0 15.0 | 257 42 40.8 9.1 30 125 15240 260 60 59.1 10.4 | 264 44 43.8 4.5 31 119 15545 240 53 45.9 26.5 | 236 37 30.6 20.6 32 100 16570 240 30 26.0 15.0 | 230 14 10.7 9.1 33 97 16764 240 36 31.2 18.0 | 233 20 15.9 12.1 34 87 17374 260 30 29.5 5.2 | 273 14 14.3 -0.7 35 83 17678 245 27 24.5 11.4 | 239 11 9.2 5.5 36 75 18232 265 26 25.9 2.3 | 289 11 10.6 -3.7 37 74 18288 270 26 26.0 -0.0 | 299 12 10.7 -5.9 38 70 18593 265 26 25.9 2.3 | 289 11 10.6 -3.7 39 70 18630 220 14 9.0 10.7 | 127 8 -6.3 4.8 40 67 18898 220 22 14.1 16.9 | 174 11 -1.1 10.9 41 64 19202 225 10 7.1 7.1 | 98 8 -8.2 1.1 42 52 20422 175 14 -1.2 13.9 | 116 18 -16.5 8.0 43 50 20640 80 7 -6.9 -1.2 | 72 23 -22.2 -7.1 44 49 20726 80 13 -12.8 -2.3 | 74 29 -28.1 -8.2 45 46 21031 105 4 -3.9 1.0 | 76 20 -19.1 -4.9 46 40 21641 85 14 -13.9 -1.2 | 76 30 -29.2 -7.2 Wind Parameters Mean winds (0-6000m): 218.8 at 21.8 knts Storm direction: 248.8 at 16.4 knts Shear (0-3000m) pos: 2.4 neg: 2.7 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 23.1 deg Storm rel helicity (0-3000m) pos: 87.2 neg: -130.2 tot: -43.0 m^2/s^2 ave: -14.3 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 11.0 stream: -0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.86 Bulk Shear: 6.76 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 ------------------------------------------------------------------------------- 500 203 17 138 13| 0.0 22.6 22.6| 51.7 -3.9 47.7 95.5 0.68| 25.9 17.7 1000 192 19 137 17| 0.0 9.9 9.9| 51.7 -52.1 -0.5 -0.5 0.24| 18.2 4.3 1500 181 18 130 20| 0.0 5.4 5.4| 51.7 -92.2 -40.5 -27.0 0.05| 14.5 0.7 2000 175 18 126 21| 1.2 4.1 5.2| 87.0-102.3 -15.2 -7.6 0.12| 13.0 1.6 2500 175 17 124 20| 1.9 3.3 5.1| 87.2-117.4 -30.2 -12.1 0.06| 12.0 0.7 3000 177 16 122 19| 2.4 2.7 5.1| 87.2-130.2 -43.0 -14.3 -0.01| 11.0 -0.1 4000 197 17 135 15| 5.2 2.0 7.2|122.4-134.8 -12.4 -3.1 0.17| 12.5 2.1 5000 214 20 160 12| 4.2 2.0 6.2|122.4-148.3 -26.0 -5.2 0.13| 10.8 1.4 6000 219 22 172 11| 3.5 2.4 5.9|129.8-182.1 -52.3 -8.7 0.05| 10.2 0.5 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251204.00.gif