UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 1 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 69 SFC 981 243 25.4 22.3 83 3.1 23.2 90 7 300.2 303.4 297.0 351.6 17.54 2 967 368 23.0 20.9 88 2.1 21.5 69 11 299.0 302.0 295.8 346.5 16.30 3 953 494 25.6 16.6 58 9.0 19.4 56 8 302.9 305.2 294.3 340.1 12.56 4 925 754 24.8 15.8 57 9.0 18.7 315 10 304.7 306.9 294.7 341.4 12.29 5 896 1033 24.8 14.8 54 10.0 18.0 294 18 307.5 309.7 295.1 343.4 11.90 6 859 1402 23.2 13.2 53 10.0 16.5 275 24 309.5 311.6 295.1 343.5 11.17 7 850 1494 22.4 12.4 53 10.0 15.8 270 24 309.6 311.6 294.8 342.3 10.70 8 700 3146 9.0 4.0 71 5.0 6.1 245 21 312.5 313.8 293.1 335.1 7.30 9 646 3805 3.8 -1.2 70 5.0 1.2 243 18 313.8 314.9 292.0 330.9 5.43 10 612 4243 2.0 -13.0 32 15.0 -4.0 222 15 316.6 317.1 290.0 324.2 2.29 11 545 5171 -2.5 -31.5 9 29.0 -9.9 176 18 322.0 322.1 289.9 323.8 0.50 12 506 5757 -6.3 -39.3 5 33.0 -13.0 198 17 324.3 324.3 290.3 325.2 0.25 13 500 5850 -6.9 -39.9 5 33.0 -13.5 200 14 324.6 324.7 290.4 325.5 0.24 14 494 5944 -6.7 -21.7 29 15.0 -11.5 202 11 326.0 326.3 291.9 330.8 1.36 15 470 6330 -10.5 -18.5 52 8.0 -13.2 198 10 326.0 326.3 292.4 332.5 1.89 16 459 6511 -10.7 -36.7 10 26.0 -16.0 190 12 327.9 328.0 291.5 329.3 0.36 17 447 6715 -11.1 -46.1 4 35.0 -16.8 180 14 329.9 329.9 291.8 330.5 0.14 18 440 6836 -10.5 -45.5 4 35.0 -16.5 198 14 332.2 332.2 292.4 332.8 0.15 19 400 7560 -16.5 -44.5 7 28.0 -20.8 225 23 333.5 333.6 292.9 334.3 0.18 20 304 9557 -32.7 -50.7 15 18.0 -34.2 248 33 338.0 338.0 294.0 338.5 0.12 21 300 9650 -33.3 -47.3 23 14.0 -34.6 250 32 338.4 338.5 294.1 339.2 0.18 22 292 9840 -35.1 -45.1 35 10.0 -36.1 249 34 338.5 338.6 294.2 339.4 0.23 23 290 9888 -35.3 -38.6 72 3.3 -35.7 249 35 338.9 339.0 294.5 340.7 0.47 24 258 10696 -40.1 -45.0 59 4.9 -40.5 241 56 343.3 343.4 295.4 344.4 0.27 25 250 10910 -42.1 -46.4 63 4.3 -42.4 245 55 343.5 343.5 295.4 344.4 0.24 26 233 11379 -46.3 -48.6 77 2.3 -46.4 248 52 344.1 344.1 295.5 344.9 0.20 27 207 12150 -52.7 -59.7 42 7.0 -52.9 253 48 345.9 345.9 295.8 346.1 0.06 28 201 12338 -54.3 -58.2 62 3.9 -54.4 255 47 346.3 346.3 295.8 346.6 0.07 29 200 12370 -54.5 -58.8 59 4.3 -54.6 255 47 346.5 346.5 295.9 346.8 0.07 30 188 12764 -58.1 -62.4 58 4.3 -58.2 261 47 346.8 346.9 296.0 347.0 0.05 31 176 13179 -60.2 -65.0 53 4.8 -60.3 255 71 350.0 350.0 296.7 350.2 0.03 32 172 13323 -60.9 -65.9 52 5.0 -61.0 255 71 351.1 351.2 296.9 351.3 0.03 33 155 13968 -63.1 -76.1 16 13.0 -63.2 268 48 358.0 358.0 298.3 358.0 0.01 34 150 14170 -64.7 -76.7 18 12.0 -64.8 270 44 358.6 358.6 298.4 358.7 0.01 35 145 14376 -65.7 -70.7 50 5.0 -65.8 272 45 360.4 360.4 298.8 360.5 0.02 36 139 14632 -66.9 -79.9 14 13.0 -67.0 258 45 362.7 362.7 299.2 362.7 0.00 37 131 14990 -65.9 -84.9 5 19.0 -66.0 238 42 370.6 370.6 300.7 370.7 0.00 38 129 15084 -65.9 -84.9 5 19.0 -66.0 232 38 372.3 372.3 300.9 372.3 0.00 39 101 16533 -75.7 -87.7 14 12.0 -75.7 259 15 380.4 380.4 302.3 380.4 0.00 40 100 16590 -76.1 -88.1 13 12.0 -76.2 260 15 380.7 380.7 302.3 380.7 0.00 41 87 17385 -79.7 -88.7 21 9.0 -79.7 230 12 388.9 388.9 303.6 388.9 0.00 42 78 18009 -75.7 -86.7 16 11.0 -75.7 200 13 409.6 409.6 306.5 409.6 0.00 43 75 18235 -77.7 -87.7 18 10.0 -77.7 180 13 410.0 410.0 306.5 410.0 0.00 44 70 18630 -76.7 -87.7 16 11.0 -76.7 270 4 420.3 420.3 307.7 420.3 0.00 45 67 18883 -75.7 -87.7 14 12.0 -75.7 314 6 427.8 427.8 308.6 427.8 0.00 46 62 19330 -76.7 -88.7 13 12.0 -76.7 32 9 435.1 435.1 309.4 435.2 0.00 47 59 19618 -73.1 -87.1 10 14.0 -73.2 82 11 449.4 449.4 310.8 449.5 0.00 TRP 87 17385 -79.7 -88.7 21 9.0 -79.7 230 12 388.9 388.9 303.6 388.9 0.00 WND 176 13179 -60.2 -65.0 53 4.8 -60.3 255 71 350.0 350.0 296.7 350.2 0.03 Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 582.22 mb = 4655.42 m = 15273.49 ft Wetbulb zero: 638.23 mb = 3902.75 m = 12804.13 ft Precipitable water: 1.47 inches Sfc-500 mean rel hum: 47.42 % Est. max temperature: 35.13 C = 95.23 F Sfc-Lift cond lev (LCL): 938.06 mb = 631.91 m = 2073.16 ft T: 25.18 C 700-500 lapse rate: 5.88 C/km ThetaE index: 19.77 C Layer 850.0- 506.0 mb Conv cond level (CCL): 746.58 mb = 2597.83 m = 8522.96 ft Mean mixing ratio: 13.10 g/kg Conv temperature: 36.73 C = 98.11 F Cap Strength: 5.56 C Lifted Index: -1.41 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.09 C Lifted Index @700 mb: 0.37 C Showalter Index: -1.00 C Risk: Thunderstorms probable Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 19.30 C K Index: 36.70 Risk: > 80 % chance of thunderstorms Sweat Index: 210.80 Risk: None Energy Index: -3.15 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 272.29 J/kg Max Up Vert Vel: 23.34 m/s Conv Inhibition (B-): 265.39 J/kg Cap Strength: 5.56 C Lift Cond Lev (LCL): 828.60 mb = 1711.00 m = 5613.44 ft Lev Free Conv (LFC): 683.60 mb = 3340.57 m = 10959.73 ft Equ Level (EL): 443.60 mb = 6773.40 m = 22222.16 ft B at Equ Level: 175.28 J/kg Max Parcel Lev (MPL): 173.60 mb = 13265.14 m = 43520.27 ft Wind level data Storm motion: 271 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 90 7 -7.0 0.0 | 91 20 -20.3 0.3 1 974 305 75 12 -11.6 -3.1 | 83 25 -24.9 -2.8 2 940 610 45 6 -4.2 -4.2 | 77 18 -17.6 -4.0 3 925 754 315 10 7.1 -7.1 | 43 9 -6.3 -6.8 4 908 914 300 15 13.0 -7.5 | 3 7 -0.3 -7.2 5 877 1219 285 24 23.2 -6.2 | 301 12 9.9 -5.9 6 850 1494 270 24 24.0 -0.0 | 269 11 10.7 0.3 7 817 1829 265 25 24.9 2.2 | 258 12 11.6 2.4 8 788 2134 250 24 22.6 8.2 | 227 13 9.2 8.5 9 761 2438 260 21 20.7 3.6 | 242 8 7.4 3.9 10 734 2743 275 20 19.9 -1.7 | 283 7 6.6 -1.5 11 708 3048 245 20 18.1 8.5 | 209 10 4.8 8.7 12 700 3146 245 21 19.0 8.9 | 212 11 5.7 9.1 13 657 3658 250 19 17.9 6.5 | 214 8 4.5 6.8 14 609 4267 220 15 9.6 11.5 | 163 12 -3.7 11.8 15 586 4572 215 14 8.0 11.5 | 156 13 -5.3 11.7 16 564 4877 185 19 1.7 18.9 | 149 22 -11.7 19.2 17 543 5182 175 18 -1.6 17.9 | 141 24 -14.9 18.2 18 504 5791 200 17 5.8 16.0 | 155 18 -7.5 16.2 19 500 5850 200 14 4.8 13.2 | 148 16 -8.5 13.4 20 484 6096 205 7 3.0 6.3 | 123 12 -10.4 6.6 21 465 6401 195 11 2.8 10.6 | 136 15 -10.5 10.9 22 447 6706 180 14 0.0 14.0 | 137 20 -13.3 14.3 23 430 7010 225 13 9.2 9.2 | 156 10 -4.1 9.5 24 400 7560 225 23 16.3 16.3 | 190 17 2.9 16.5 25 397 7620 230 13 10.0 8.4 | 159 9 -3.4 8.6 26 365 8230 225 33 23.3 23.3 | 203 26 10.0 23.6 27 350 8534 225 39 27.6 27.6 | 207 31 14.3 27.8 28 300 9650 250 32 30.1 10.9 | 236 20 16.7 11.2 29 296 9754 250 32 30.1 10.9 | 236 20 16.7 11.2 30 259 10668 240 56 48.5 28.0 | 231 45 35.2 28.3 31 250 10910 245 55 49.8 23.2 | 237 43 36.5 23.5 32 200 12370 255 47 45.4 12.2 | 249 34 32.1 12.4 33 196 12497 265 46 45.8 4.0 | 263 33 32.5 4.3 34 187 12802 260 47 46.3 8.2 | 256 34 33.0 8.4 35 176 13179 255 71 68.6 18.4 | 251 58 55.3 18.6 36 170 13411 255 71 68.6 18.4 | 251 58 55.3 18.6 37 161 13716 265 52 51.8 4.5 | 263 39 38.5 4.8 38 150 14170 270 44 44.0 -0.0 | 270 31 30.7 0.3 39 146 14326 275 45 44.8 -3.9 | 277 32 31.5 -3.7 40 132 14935 240 44 38.1 22.0 | 228 33 24.8 22.3 41 119 15545 205 16 6.8 14.5 | 156 16 -6.6 14.8 42 113 15850 220 12 7.7 9.2 | 149 11 -5.6 9.5 43 108 16154 255 12 11.6 3.1 | 153 4 -1.7 3.4 44 100 16590 260 15 14.8 2.6 | 207 3 1.4 2.9 45 97 16764 260 15 14.8 2.6 | 207 3 1.4 2.9 46 87 17374 245 16 14.5 6.8 | 190 7 1.2 7.0 47 87 17385 230 12 9.2 7.7 | 153 9 -4.1 8.0 48 83 17678 230 13 10.0 8.4 | 159 9 -3.4 8.6 49 74 18288 175 13 -1.1 13.0 | 132 20 -14.5 13.2 50 70 18630 270 4 4.0 -0.0 | 92 9 -9.3 0.3 51 59 19507 85 11 -11.0 -1.0 | 88 24 -24.3 -0.7 52 55 19812 120 7 -6.1 3.5 | 101 20 -19.4 3.8 Wind Parameters Mean winds (0-6000m): 241.1 at 17.8 knts Storm direction: 271.1 at 13.3 knts Shear (0-3000m) pos: 1.5 neg: 5.6 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 121.7 deg Storm rel helicity (0-3000m) pos: 18.3 neg: -160.1 tot: -141.8 m^2/s^2 ave: -47.3 10^-3 m/s^2 rel: -0.59 Storm rel vorticity (0-3000m) horiz: 13.2 stream: -7.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.93 Bulk Shear: 92.83 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 55 9 77 21| 0.0 15.5 15.5| 0.0 -62.4 -62.4 -124.7 -0.60| 23.3-14.1 1000 318 13 26 11| 0.0 15.9 15.9| 0.0 -98.6 -98.6 -98.6 -0.73| 20.8-15.3 1500 289 17 335 6| 0.0 10.9 10.9| 0.0-119.5-119.5 -79.6 -0.77| 16.4-12.7 2000 277 19 290 6| 0.0 7.6 7.6| 2.7-141.2-138.5 -69.2 -0.76| 14.6-11.1 2500 273 19 277 6| 1.7 6.1 7.9| 16.9-141.2-124.2 -49.7 -0.55| 13.4 -7.4 3000 269 19 264 6| 1.5 5.6 7.0| 18.3-160.1-141.8 -47.3 -0.59| 13.2 -7.8 4000 262 19 241 6| 1.1 3.5 4.6| 18.9-182.3-163.5 -40.9 -0.61| 11.4 -6.9 5000 250 19 211 8| 0.9 2.8 3.7| 20.0-217.2-197.2 -39.4 -0.58| 10.7 -6.2 6000 241 18 194 9| 1.5 2.3 3.9| 47.5-245.6-198.1 -33.0 -0.51| 10.4 -5.3 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251201.12.gif