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 SBUL... Searching the city database file for: SBUL ... Date:1200Z 2 DEC 25 Station: SBUL WMO ident: 83525 Latitude: -18.89 Longitude: -48.23 Elevation: 943.00 ------------------------------------------------------------------------------- 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 83 1 925 776 SFC 908 943 25.0 19.0 69 6.0 20.7 340 7 306.5 309.4 297.3 352.8 15.41 3 851 1502 18.8 16.1 84 2.7 17.0 296 4 305.7 308.3 295.9 346.6 13.65 4 850 1512 18.6 15.6 83 3.0 16.5 295 4 305.6 308.1 295.6 345.2 13.23 5 793 2107 16.4 11.4 72 5.0 13.1 102 2 309.4 311.4 294.8 342.1 10.74 6 703 3121 8.6 7.9 95 0.7 8.2 282 4 311.6 313.4 294.6 341.1 9.56 7 700 3156 8.6 7.4 92 1.2 7.9 290 4 312.0 313.8 294.5 340.6 9.27 8 584 4634 0.0 -1.6 89 1.6 -0.9 261 10 318.6 319.7 293.6 337.3 5.84 9 537 5306 -2.1 -8.1 63 6.0 -4.8 274 15 323.8 324.6 293.5 336.6 3.87 10 500 5870 -6.3 -10.8 70 4.5 -8.2 270 9 325.4 326.0 293.4 336.6 3.36 11 475 6269 -9.1 -11.4 83 2.3 -10.1 250 16 326.7 327.4 293.9 338.1 3.37 12 459 6533 -10.5 -11.9 89 1.4 -11.1 258 19 328.2 328.8 294.2 339.5 3.35 13 439 6875 -12.1 -21.1 47 9.0 -14.9 275 18 330.4 330.7 293.3 336.1 1.62 14 427 7086 -13.7 -15.5 86 1.8 -14.4 279 19 330.9 331.5 294.4 340.2 2.68 15 423 7158 -13.9 -21.9 51 8.0 -16.3 279 20 331.6 331.9 293.6 337.1 1.57 16 406 7468 -16.1 -18.2 84 2.1 -16.8 276 25 332.6 333.1 294.4 340.5 2.25 17 400 7580 -16.5 -19.9 75 3.4 -17.6 275 27 333.5 333.9 294.4 340.5 1.97 18 352 8533 -22.3 -26.2 71 3.9 -23.3 278 21 338.1 338.4 295.0 342.8 1.28 19 300 9690 -30.7 -35.7 61 5.0 -31.5 280 12 342.1 342.2 295.4 344.5 0.61 20 268 10476 -36.9 -43.9 48 7.0 -37.6 281 14 344.3 344.4 295.6 345.5 0.29 21 254 10843 -40.3 -44.0 68 3.7 -40.6 272 13 344.6 344.6 295.7 345.8 0.30 22 250 10950 -41.3 -45.3 65 4.0 -41.6 270 13 344.7 344.7 295.7 345.7 0.27 23 229 11538 -46.1 -54.1 40 8.0 -46.5 277 17 346.1 346.1 295.8 346.6 0.11 24 225 11654 -47.3 -51.1 65 3.8 -47.5 278 17 346.0 346.0 295.9 346.7 0.15 25 200 12420 -53.9 -62.9 32 9.0 -54.1 260 26 347.4 347.4 296.1 347.6 0.04 26 193 12648 -55.9 -65.9 28 10.0 -56.1 257 28 347.8 347.8 296.1 347.9 0.03 27 183 12985 -58.5 -70.5 20 12.0 -58.7 252 30 348.9 348.9 296.4 348.9 0.02 28 150 14210 -68.1 -73.1 49 5.0 -68.1 230 23 352.8 352.8 297.3 352.8 0.01 29 144 14455 -69.3 -73.4 55 4.1 -69.4 228 22 354.8 354.8 297.7 354.9 0.01 30 135 14839 -70.7 -73.5 66 2.8 -70.7 226 20 359.0 359.0 298.5 359.0 0.01 31 121 15488 -71.5 -86.5 9 15.0 -71.5 252 25 368.9 368.9 300.4 368.9 0.00 32 101 16543 -76.5 -85.5 23 9.0 -76.5 114 9 378.8 378.8 302.1 378.9 0.00 33 100 16600 -76.7 -85.7 23 9.0 -76.7 100 7 379.5 379.5 302.2 379.5 0.00 34 77 18073 -83.3 -90.3 28 7.0 -83.3 110 11 395.3 395.3 304.5 395.3 0.00 35 70 18610 -77.3 -88.3 16 11.0 -77.3 90 21 419.0 419.0 307.6 419.0 0.00 36 67 18861 -76.1 -89.1 11 13.0 -76.2 85 21 426.9 426.9 308.5 426.9 0.00 37 64 19128 -71.5 -89.5 5 18.0 -71.6 105 28 442.6 442.6 310.1 442.6 0.00 38 59 19609 -69.3 -90.3 3 21.0 -69.4 84 21 458.0 458.0 311.6 458.0 0.00 39 50 20600 -67.1 -90.1 2 23.0 -67.3 95 25 485.4 485.4 313.9 485.4 0.00 40 35 22779 -62.1 -89.1 2 27.0 -62.7 76 22 550.5 550.5 318.1 550.6 0.00 TRP 77 18073 -83.3 -90.3 28 7.0 -83.3 110 11 395.3 395.3 304.5 395.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 584.00 mb = 4634.49 m = 15204.83 ft Wetbulb zero: 595.42 mb = 4476.52 m = 14686.57 ft Precipitable water: 1.63 inches Sfc-500 mean rel hum: 81.34 % Est. max temperature: 28.67 C = 83.60 F Sfc-Lift cond lev (LCL): 831.85 mb = 1696.91 m = 5567.22 ft T: 17.92 C 700-500 lapse rate: 5.49 C/km ThetaE index: 16.18 C Layer 851.0- 475.0 mb Conv cond level (CCL): 769.18 mb = 2363.33 m = 7753.61 ft Mean mixing ratio: 13.55 g/kg Conv temperature: 28.40 C = 83.12 F Cap Strength: 1.88 C Lifted Index: -2.34 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.81 C Lifted Index @700 mb: -1.20 C Showalter Index: -1.57 C Risk: Thunderstorms probable Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 21.90 C K Index: 39.30 Risk: > 80 % chance of thunderstorms Sweat Index: 204.20 Risk: None Energy Index: -1.73 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 521.67 J/kg Max Up Vert Vel: 32.30 m/s Conv Inhibition (B-): 35.14 J/kg Cap Strength: 1.87 C Lift Cond Lev (LCL): 807.87 mb = 1947.51 m = 6389.38 ft Lev Free Conv (LFC): 732.87 mb = 2770.30 m = 9088.81 ft Equ Level (EL): 212.87 mb = 12014.59 m = 39417.47 ft B at Equ Level: 520.38 J/kg Max Parcel Lev (MPL): 122.87 mb = 15396.92 m = 50514.22 ft Wind level data Storm motion: 301 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 ---------------------------------------------------------- 0 908 943 340 7 2.4 -6.6 | 40 5 -2.9 -3.4 1 850 1512 295 4 3.6 -1.7 | 131 2 -1.7 1.4 2 819 1829 0 0 -0.0 -0.0 | 121 6 -5.3 3.1 3 790 2134 115 2 -1.8 0.8 | 119 8 -7.1 4.0 4 762 2438 140 5 -3.2 3.8 | 129 11 -8.5 7.0 5 700 3156 290 4 3.8 -1.4 | 139 2 -1.5 1.8 6 610 4267 280 4 3.9 -0.7 | 151 3 -1.4 2.4 7 587 4572 255 10 9.7 2.6 | 217 7 4.4 5.7 8 566 4877 295 10 9.1 -4.2 | 286 4 3.8 -1.1 9 545 5182 270 15 15.0 -0.0 | 252 10 9.7 3.1 10 524 5486 280 15 14.8 -2.6 | 267 9 9.5 0.5 11 500 5870 270 9 9.0 -0.0 | 230 5 3.7 3.1 12 485 6096 250 13 12.2 4.4 | 222 10 6.9 7.6 13 467 6401 250 19 17.9 6.5 | 233 16 12.6 9.6 14 448 6706 270 18 18.0 -0.0 | 256 13 12.7 3.1 15 431 7010 280 18 17.7 -3.1 | 270 12 12.4 0.0 16 400 7580 275 27 26.9 -2.4 | 268 22 21.6 0.8 17 398 7620 275 27 26.9 -2.4 | 268 22 21.6 0.8 18 382 7925 265 22 21.9 1.9 | 253 17 16.6 5.0 19 366 8230 280 23 22.7 -4.0 | 273 17 17.4 -0.9 20 323 9144 275 18 17.9 -1.6 | 263 13 12.6 1.6 21 310 9449 255 16 15.5 4.1 | 234 12 10.2 7.3 22 300 9690 280 12 11.8 -2.1 | 261 7 6.5 1.0 23 284 10058 290 14 13.2 -4.8 | 282 8 7.9 -1.7 24 250 10950 270 13 13.0 -0.0 | 248 8 7.7 3.1 25 249 10973 270 13 13.0 -0.0 | 248 8 7.7 3.1 26 207 12192 285 21 20.3 -5.4 | 279 15 15.0 -2.3 27 200 12420 260 26 25.6 4.5 | 249 22 20.3 7.6 28 179 13106 250 31 29.1 10.6 | 240 28 23.8 13.7 29 171 13411 255 22 21.3 5.7 | 241 18 16.0 8.8 30 155 14021 230 27 20.7 17.4 | 217 26 15.4 20.5 31 150 14210 230 23 17.6 14.8 | 215 22 12.3 17.9 32 133 14935 225 20 14.1 14.1 | 207 19 8.9 17.3 33 120 15545 255 26 25.1 6.7 | 244 22 19.8 9.9 34 114 15850 230 29 22.2 18.6 | 218 28 16.9 21.8 35 108 16154 210 24 12.0 20.8 | 196 25 6.7 23.9 36 100 16600 100 7 -6.9 1.2 | 110 13 -12.2 4.3 37 97 16764 100 7 -6.9 1.2 | 110 13 -12.2 4.3 38 87 17374 60 10 -8.7 -5.0 | 82 14 -14.0 -1.9 39 83 17678 75 4 -3.9 -1.0 | 103 9 -9.2 2.1 40 78 17983 145 10 -5.7 8.2 | 136 16 -11.0 11.3 41 77 18073 110 11 -10.3 3.8 | 114 17 -15.6 6.9 42 74 18288 110 12 -11.3 4.1 | 114 18 -16.6 7.2 43 70 18610 90 21 -21.0 0.0 | 97 26 -26.3 3.1 44 67 18898 85 21 -20.9 -1.8 | 93 26 -26.2 1.3 45 63 19202 110 30 -28.2 10.3 | 112 36 -33.5 13.4 46 60 19507 80 22 -21.7 -3.8 | 89 27 -27.0 -0.7 47 57 19812 90 18 -18.0 0.0 | 98 23 -23.3 3.1 48 54 20117 70 13 -12.2 -4.4 | 86 18 -17.5 -1.3 49 52 20422 100 15 -14.8 2.6 | 106 21 -20.1 5.7 50 50 20600 95 25 -24.9 2.2 | 100 31 -30.2 5.3 51 49 20726 105 25 -24.1 6.5 | 108 31 -29.4 9.6 52 46 21031 90 23 -23.0 0.0 | 96 28 -28.3 3.1 53 43 21336 100 30 -29.5 5.2 | 103 36 -34.8 8.3 54 33 22555 70 20 -18.8 -6.8 | 81 24 -24.1 -3.7 55 29 23165 65 21 -19.0 -8.9 | 77 25 -24.3 -5.7 Wind Parameters Mean winds (0-6000m): 270.6 at 8.2 knts Storm direction: 300.6 at 6.1 knts Shear (0-3000m) pos: 0.2 neg: 0.8 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 108.1 deg Storm rel helicity (0-3000m) pos: 22.4 neg: -2.7 tot: 19.6 m^2/s^2 ave: 6.5 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 1.6 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 82.83 Bulk Shear: 6.30 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 ------------------------------------------------------------------------------- 500 327 6 53 3| 0.0 4.7 4.7| 1.3 0.0 1.3 2.6 0.55| 4.9 2.7 1000 320 4 95 3| 2.4 2.4 4.7| 2.8 -1.6 1.2 1.2 0.23| 5.3 1.2 1500 325 3 96 3| 3.2 1.6 4.7| 9.0 -1.7 7.3 4.9 0.31| 5.4 1.7 2000 284 4 143 3| 1.0 1.2 2.2| 22.2 -1.7 20.5 10.2 0.42| 6.2 2.6 2500 296 4 128 2| 0.2 0.9 1.2| 22.2 -2.7 19.5 7.8 0.33| 5.7 1.9 3000 291 4 135 2| 0.2 0.8 1.0| 22.4 -2.7 19.6 6.5 0.33| 4.8 1.6 4000 281 5 163 2| 0.6 1.0 1.6| 33.3 -2.7 30.6 7.6 0.46| 5.3 2.4 5000 278 6 205 2| 0.5 1.2 1.7| 37.6 -15.2 22.4 4.5 0.24| 5.7 1.4 6000 271 8 224 4| 1.0 1.7 2.7| 74.4 -16.5 57.9 9.7 0.31| 6.3 2.0 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251202.12.gif