UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 2 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 86 SFC 983 243 26.0 21.9 78 4.1 23.0 280 2 300.6 303.7 296.8 350.7 17.07 2 977 296 23.8 21.1 85 2.7 21.9 233 3 298.9 301.9 295.8 346.5 16.33 3 925 768 20.4 19.0 92 1.4 19.4 265 8 300.2 302.9 295.4 344.4 15.12 4 859 1405 16.0 15.5 97 0.5 15.7 278 10 302.0 304.4 294.4 340.4 13.00 5 850 1495 16.6 13.1 80 3.5 14.3 280 10 303.5 305.6 293.6 336.9 11.22 6 841 1586 17.6 10.6 64 7.0 13.1 279 10 305.5 307.3 292.9 334.3 9.59 7 778 2249 14.4 6.4 59 8.0 9.6 249 7 309.0 310.4 292.4 332.7 7.77 8 700 3132 7.8 5.4 85 2.4 6.4 255 21 311.1 312.7 293.3 336.0 8.06 9 663 3577 4.6 3.7 94 0.9 4.1 259 16 312.4 313.8 293.3 335.8 7.55 10 648 3763 5.4 -4.6 48 10.0 0.5 250 16 315.3 316.2 291.4 328.8 4.19 11 552 5048 -4.7 -24.7 19 20.0 -10.4 222 30 318.2 318.4 289.2 321.4 0.93 12 500 5820 -9.1 -43.1 4 34.0 -15.0 225 37 321.9 322.0 289.5 322.6 0.17 13 496 5882 -9.3 -43.3 4 34.0 -15.2 226 37 322.4 322.5 289.7 323.1 0.17 14 484 6072 -7.9 -50.9 2 43.0 -14.5 229 38 326.4 326.4 290.7 326.7 0.07 15 400 7520 -19.5 -54.5 3 35.0 -23.2 230 31 329.6 329.7 291.7 329.9 0.06 16 379 7919 -22.9 -56.9 3 34.0 -26.0 232 36 330.3 330.3 291.9 330.5 0.05 17 304 9516 -30.7 -55.7 7 25.0 -32.7 246 78 340.8 340.8 294.6 341.1 0.07 18 300 9610 -31.3 -54.3 9 23.0 -33.1 250 76 341.3 341.3 294.7 341.6 0.08 19 269 10371 -38.5 -48.5 34 10.0 -39.3 265 77 341.6 341.6 294.8 342.3 0.17 20 263 10525 -39.7 -45.7 53 6.0 -40.2 268 77 342.0 342.1 295.0 343.0 0.24 21 258 10656 -40.5 -44.0 69 3.5 -40.8 271 77 342.8 342.8 295.3 343.9 0.30 22 250 10870 -41.5 -45.2 67 3.7 -41.8 275 77 344.4 344.4 295.6 345.5 0.27 23 217 11811 -49.3 -52.4 70 3.1 -49.4 286 66 346.5 346.6 296.0 347.1 0.14 24 203 12244 -52.1 -59.1 43 7.0 -52.3 288 68 348.8 348.8 296.4 349.1 0.07 25 200 12340 -52.9 -59.9 42 7.0 -53.1 285 79 349.0 349.0 296.5 349.3 0.06 26 194 12536 -54.3 -59.2 55 4.9 -54.4 285 83 349.8 349.8 296.7 350.1 0.07 27 190 12669 -55.1 -66.1 24 11.0 -55.3 285 86 350.6 350.6 296.8 350.7 0.03 28 185 12839 -56.7 -65.2 33 8.5 -56.9 285 90 350.7 350.7 296.8 350.8 0.03 29 182 12943 -57.7 -64.7 40 7.0 -57.8 285 90 350.7 350.7 296.8 350.9 0.04 30 180 13013 -58.1 -67.1 31 9.0 -58.2 285 90 351.2 351.2 296.9 351.3 0.03 31 178 13083 -58.1 -70.1 20 12.0 -58.3 285 90 352.3 352.3 297.1 352.4 0.02 32 154 13988 -62.1 -80.1 7 18.0 -62.3 256 62 360.4 360.4 298.8 360.4 0.00 33 150 14150 -62.9 -79.9 8 17.0 -63.0 250 57 361.7 361.7 299.0 361.7 0.00 34 139 14617 -65.1 -82.1 8 17.0 -65.2 250 52 365.8 365.8 299.8 365.8 0.00 35 101 16513 -75.9 -87.9 13 12.0 -75.9 255 28 380.0 380.0 302.2 380.0 0.00 36 100 16570 -76.1 -88.1 13 12.0 -76.2 255 27 380.7 380.7 302.3 380.7 0.00 37 93 16987 -79.3 -89.3 18 10.0 -79.3 245 27 382.4 382.4 302.6 382.4 0.00 38 89 17240 -76.9 -88.9 13 12.0 -76.9 242 26 392.0 392.0 304.1 392.0 0.00 39 82 17710 -79.3 -89.3 18 10.0 -79.3 275 20 396.4 396.4 304.7 396.4 0.00 40 75 18219 -78.7 -88.7 18 10.0 -78.7 275 16 407.9 407.9 306.2 407.9 0.00 41 70 18620 -72.5 -87.5 9 15.0 -72.6 250 9 429.3 429.3 308.7 429.3 0.00 42 69 18704 -72.1 -87.1 9 15.0 -72.2 247 9 431.9 431.9 309.0 431.9 0.00 43 62 19330 -73.5 -88.5 8 15.0 -73.6 162 10 442.2 442.2 310.1 442.2 0.00 44 50 20600 -68.5 -88.5 4 20.0 -68.7 40 13 482.1 482.1 313.6 482.1 0.00 45 48 20844 -69.1 -89.1 4 20.0 -69.3 48 17 486.3 486.3 314.0 486.3 0.00 46 45 21236 -62.5 -87.5 2 25.0 -63.0 51 16 511.4 511.4 315.7 511.4 0.00 47 40 21966 -60.7 -86.7 2 26.0 -61.3 93 17 533.4 533.4 317.1 533.4 0.01 48 38 22285 -60.9 -86.9 2 26.0 -61.6 81 16 540.8 540.8 317.6 540.8 0.01 TRP 93 16987 -79.3 -89.3 18 10.0 -79.3 245 27 382.4 382.4 302.6 382.4 0.00 WND 185 12839 -56.7 -65.2 33 8.5 -56.9 285 90 350.7 350.7 296.8 350.8 0.03 Sounding variables and indices 1000-500 mb thick: 5734.00 m Freezing level: 596.67 mb = 4450.13 m = 14599.97 ft Wetbulb zero: 643.70 mb = 3816.48 m = 12521.09 ft Precipitable water: 1.54 inches Sfc-500 mean rel hum: 58.28 % Est. max temperature: 31.29 C = 88.32 F Sfc-Lift cond lev (LCL): 926.25 mb = 756.31 m = 2481.31 ft T: 20.48 C 700-500 lapse rate: 6.29 C/km ThetaE index: 17.98 C Layer 977.0- 700.0 mb Conv cond level (CCL): 898.32 mb = 1019.88 m = 3346.03 ft Mean mixing ratio: 15.22 g/kg Conv temperature: 26.28 C = 79.30 F Cap Strength: 1.58 C Lifted Index: -4.20 C Risk: Severe thunderstorms probable Lifted Index @300 mb: 0.03 C Lifted Index @700 mb: -1.30 C Showalter Index: -0.98 C Risk: Thunderstorms probable Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 22.20 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 214.20 Risk: None Energy Index: -2.70 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 712.65 J/kg Max Up Vert Vel: 37.75 m/s Conv Inhibition (B-): 3.03 J/kg Cap Strength: 1.56 C Lift Cond Lev (LCL): 909.29 mb = 915.43 m = 3003.33 ft Lev Free Conv (LFC): 884.29 mb = 1155.32 m = 3790.38 ft Equ Level (EL): 844.29 mb = 1552.61 m = 5093.81 ft B at Equ Level: 10.53 J/kg Max Parcel Lev (MPL): 814.29 mb = 1860.61 m = 6104.30 ft Wind level data Storm motion: 265 at 14 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 ---------------------------------------------------------- 0 983 243 280 2 2.0 -0.3 | 82 12 -12.0 -1.6 1 976 305 225 3 2.1 2.1 | 94 12 -11.8 0.9 2 942 610 250 6 5.6 2.1 | 96 8 -8.3 0.8 3 925 768 265 8 8.0 0.7 | 85 6 -6.0 -0.5 4 909 914 265 10 10.0 0.9 | 85 4 -4.0 -0.4 5 850 1495 280 10 9.8 -1.7 | 54 5 -4.1 -3.0 6 847 1524 280 10 9.8 -1.7 | 54 5 -4.1 -3.0 7 788 2134 265 7 7.0 0.6 | 85 7 -7.0 -0.6 8 760 2438 220 6 3.9 4.6 | 108 11 -10.1 3.4 9 733 2743 230 10 7.7 6.4 | 129 8 -6.3 5.2 10 707 3048 255 19 18.4 4.9 | 230 6 4.4 3.7 11 700 3132 255 21 20.3 5.4 | 236 8 6.3 4.2 12 655 3658 260 15 14.8 2.6 | 211 2 0.8 1.4 13 631 3962 225 19 13.4 13.4 | 178 12 -0.5 12.2 14 607 4267 220 24 15.4 18.4 | 185 17 1.5 17.1 15 500 5820 225 37 26.2 26.2 | 206 28 12.2 24.9 16 482 6096 230 38 29.1 24.4 | 213 28 15.2 23.2 17 400 7520 230 31 23.7 19.9 | 208 21 9.8 18.7 18 395 7620 230 29 22.2 18.6 | 205 19 8.3 17.4 19 363 8230 235 43 35.2 24.7 | 222 32 21.3 23.4 20 320 9144 230 85 65.1 54.6 | 224 74 51.2 53.4 21 300 9610 250 76 71.4 26.0 | 247 63 57.5 24.8 22 250 10870 275 77 76.7 -6.7 | 277 63 62.7 -8.0 23 235 11278 280 69 68.0 -12.0 | 284 56 54.0 -13.2 24 205 12192 290 63 59.2 -21.5 | 297 51 45.2 -22.8 25 200 12340 285 79 76.3 -20.4 | 289 66 62.4 -21.7 26 185 12839 285 90 86.9 -23.3 | 289 77 73.0 -24.5 27 177 13106 285 90 86.9 -23.3 | 289 77 73.0 -24.5 28 150 14150 250 57 53.6 19.5 | 245 44 39.6 18.3 29 138 14630 250 52 48.9 17.8 | 245 39 34.9 16.5 30 132 14935 235 53 43.4 30.4 | 225 41 29.5 29.2 31 113 15850 260 38 37.4 6.6 | 257 24 23.5 5.4 32 100 16570 255 27 26.1 7.0 | 245 13 12.1 5.7 33 97 16764 255 27 26.1 7.0 | 245 13 12.1 5.7 34 93 16987 245 27 24.5 11.4 | 226 15 10.5 10.2 35 87 17374 240 25 21.7 12.5 | 214 14 7.7 11.3 36 82 17678 275 20 19.9 -1.7 | 297 7 6.0 -3.0 37 70 18593 275 14 13.9 -1.2 | 0 2 -0.0 -2.5 38 70 18620 250 9 8.5 3.1 | 108 6 -5.5 1.8 39 67 18898 240 10 8.7 5.0 | 125 6 -5.3 3.8 40 63 19202 175 12 -1.0 12.0 | 126 18 -15.0 10.7 41 54 20117 85 1 -1.0 -0.1 | 85 15 -15.0 -1.3 42 50 20600 40 13 -8.4 -10.0 | 63 25 -22.3 -11.2 43 49 20726 50 17 -13.0 -10.9 | 66 30 -27.0 -12.2 44 46 21031 40 16 -10.3 -12.3 | 61 28 -24.2 -13.5 45 43 21336 85 15 -14.9 -1.3 | 85 29 -28.9 -2.5 46 40 21641 95 17 -16.9 1.5 | 90 31 -30.9 0.2 47 35 22250 65 15 -13.6 -6.3 | 75 29 -27.6 -7.6 48 33 22555 70 12 -11.3 -4.1 | 78 26 -25.2 -5.3 Wind Parameters Mean winds (0-6000m): 234.9 at 18.7 knts Storm direction: 264.9 at 14.0 knts Shear (0-3000m) pos: 2.3 neg: 1.6 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 153.4 deg Storm rel helicity (0-3000m) pos: 45.6 neg: -5.3 tot: 40.3 m^2/s^2 ave: 13.4 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 3.4 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 27.59 Bulk Shear: 25.83 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 ------------------------------------------------------------------------------- 500 248 5 94 9| 0.0 6.0 6.0| 8.9 -2.3 6.6 13.2 0.21| 8.3 1.8 1000 261 7 89 7| 1.5 3.0 4.5| 8.9 -4.3 4.6 4.6 0.00| 6.1 0.0 1500 268 8 81 6| 0.7 2.0 2.7| 10.5 -5.2 5.3 3.5 0.03| 4.9 0.2 2000 268 8 81 6| 0.5 1.4 1.9| 16.7 -5.2 11.4 5.7 0.21| 4.7 1.0 2500 261 8 90 6| 0.4 2.0 2.4| 28.8 -5.2 23.5 9.4 0.34| 5.3 1.8 3000 258 9 99 5| 2.3 1.6 3.9| 45.6 -5.3 40.3 13.4 0.50| 6.9 3.4 4000 251 12 132 4| 1.7 2.8 4.5| 51.0 -11.6 39.3 9.8 0.28| 7.8 2.2 5000 240 15 171 6| 2.0 2.2 4.2| 79.5 -11.6 67.9 13.6 0.32| 7.1 2.3 6000 235 19 188 10| 2.2 1.9 4.1|122.9 -12.7 110.2 18.4 0.36| 6.7 2.4 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251202.12.gif