UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 29 APR 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 107 1 925 792 SFC 909 943 20.6 19.3 92 1.3 19.7 180 8 301.9 304.8 296.2 348.2 15.69 3 850 1521 16.4 16.2 99 0.2 16.3 20 4 303.3 305.9 295.3 344.1 13.76 4 814 1889 14.4 14.0 97 0.4 14.1 323 5 305.0 307.3 294.8 342.2 12.44 5 724 2876 11.2 7.7 79 3.5 9.0 288 12 311.9 313.6 294.3 340.1 9.15 6 700 3157 9.4 6.4 82 3.0 7.6 290 13 312.9 314.5 294.3 339.7 8.65 7 647 3807 4.8 4.8 100 0.0 4.8 281 19 314.8 316.4 294.6 341.0 8.37 8 625 4090 3.8 0.5 79 3.3 2.0 278 22 316.8 318.0 293.6 337.0 6.36 9 527 5464 -2.7 -5.0 84 2.3 -3.8 276 24 324.8 325.8 294.6 341.3 5.01 10 500 5880 -5.3 -7.9 82 2.6 -6.5 295 21 326.6 327.4 294.5 340.7 4.22 11 487 6086 -6.5 -10.6 73 4.1 -8.3 281 23 327.6 328.3 294.1 339.4 3.50 12 449 6715 -11.9 -13.1 91 1.2 -12.4 283 30 328.5 329.1 294.1 339.1 3.11 13 445 6783 -10.3 -16.3 61 6.0 -12.5 284 30 331.3 331.8 294.3 339.7 2.41 14 427 7101 -10.7 -20.7 44 10.0 -14.0 281 32 334.8 335.1 294.6 340.9 1.72 15 400 7600 -14.1 -37.1 12 23.0 -18.8 260 28 336.7 336.7 293.9 338.2 0.40 16 386 7869 -15.7 -42.7 8 27.0 -20.3 260 29 338.0 338.1 294.0 338.9 0.23 17 357 8451 -20.1 -32.1 33 12.0 -22.7 282 24 339.7 339.9 294.9 342.5 0.73 18 351 8576 -20.9 -38.9 18 18.0 -24.0 289 23 340.3 340.4 294.7 341.8 0.38 19 343 8745 -22.3 -35.3 30 13.0 -24.8 284 22 340.7 340.8 295.0 342.8 0.55 20 337 8874 -23.3 -49.3 7 26.0 -26.4 279 22 341.0 341.0 294.7 341.5 0.13 21 310 9477 -28.7 -50.7 10 22.0 -30.9 260 20 341.7 341.7 294.8 342.2 0.12 22 300 9710 -30.7 -39.7 41 9.0 -31.9 265 23 342.1 342.2 295.2 343.7 0.40 23 282 10146 -34.9 -39.0 66 4.1 -35.4 272 22 342.2 342.3 295.3 344.0 0.46 24 279 10221 -35.3 -40.3 60 5.0 -35.9 273 22 342.7 342.7 295.3 344.3 0.41 25 274 10347 -35.5 -47.5 28 12.0 -36.6 275 22 344.1 344.2 295.5 344.9 0.19 26 261 10685 -38.1 -52.1 22 14.0 -39.1 283 25 345.1 345.2 295.7 345.6 0.12 27 250 10980 -40.5 -54.5 21 14.0 -41.3 290 30 345.9 345.9 295.8 346.2 0.09 28 200 12460 -52.1 -68.1 13 16.0 -52.4 265 39 350.3 350.3 296.7 350.4 0.02 29 198 12525 -52.7 -67.7 15 15.0 -53.0 264 39 350.3 350.3 296.7 350.4 0.02 30 196 12590 -52.3 -71.3 8 19.0 -52.7 263 39 352.0 352.0 297.1 352.0 0.01 31 150 14260 -65.5 -79.5 13 14.0 -65.6 280 31 357.2 357.2 298.1 357.3 0.00 32 143 14550 -67.9 -80.9 14 13.0 -67.9 274 31 358.0 358.0 298.3 358.0 0.00 33 131 15071 -73.1 -82.1 24 9.0 -73.1 267 30 357.8 357.8 298.2 357.8 0.00 34 100 16620 -82.5 -87.2 44 4.7 -82.5 270 24 368.3 368.3 300.2 368.3 0.00 35 95 16907 -79.9 -87.9 25 8.0 -79.9 259 23 378.9 378.9 302.1 378.9 0.00 36 87 17401 -82.3 -89.3 29 7.0 -82.3 224 21 383.7 383.7 302.8 383.7 0.00 37 83 17665 -80.1 -88.1 25 8.0 -80.1 220 19 393.4 393.4 304.3 393.4 0.00 38 77 18086 -82.1 -89.1 29 7.0 -82.1 240 21 397.8 397.8 304.9 397.8 0.00 39 70 18630 -73.3 -88.3 8 15.0 -73.3 340 7 427.6 427.6 308.6 427.6 0.00 40 65 19069 -69.3 -88.3 5 19.0 -69.4 304 9 445.5 445.5 310.4 445.5 0.00 41 62 19350 -71.3 -89.3 5 18.0 -71.4 282 10 447.1 447.1 310.6 447.1 0.00 42 52 20410 -64.3 -88.3 2 24.0 -64.6 83 11 486.5 486.5 314.0 486.5 0.00 43 50 20650 -64.7 -88.7 2 24.0 -65.0 70 6 491.0 491.0 314.3 491.0 0.00 44 47 21027 -65.3 -89.3 2 24.0 -65.6 33 9 498.3 498.3 314.8 498.4 0.00 45 33 23219 -57.9 -86.9 1 29.0 -59.0 69 13 571.0 571.0 319.2 571.1 0.01 TRP 100 16620 -82.5 -87.2 44 4.7 -82.5 270 24 368.3 368.3 300.2 368.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 567.71 mb = 4892.81 m = 16052.34 ft Wetbulb zero: 591.35 mb = 4535.43 m = 14879.82 ft Precipitable water: 1.63 inches Sfc-500 mean rel hum: 87.36 % Est. max temperature: 27.61 C = 81.70 F Sfc-Lift cond lev (LCL): 892.07 mb = 1104.95 m = 3625.10 ft T: 19.42 C 700-500 lapse rate: 5.40 C/km ThetaE index: 8.45 C Layer 850.0- 647.0 mb Conv cond level (CCL): 851.38 mb = 1507.00 m = 4944.16 ft Mean mixing ratio: 14.00 g/kg Conv temperature: 21.98 C = 71.56 F Cap Strength: 0.75 C Lifted Index: -0.46 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.54 C Lifted Index @700 mb: 0.24 C Showalter Index: -0.16 C Risk: Thunderstorms probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.50 C K Index: 34.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 223.40 Risk: None Energy Index: -0.76 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 110.43 J/kg Max Up Vert Vel: 14.86 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.70 C Lift Cond Lev (LCL): 851.38 mb = 1507.00 m = 4944.16 ft Lev Free Conv (LFC): 846.38 mb = 1557.25 m = 5109.04 ft Equ Level (EL): 776.38 mb = 2287.39 m = 7504.45 ft B at Equ Level: 19.37 J/kg Max Parcel Lev (MPL): 346.38 mb = 8672.93 m = 28454.14 ft Wind level data Storm motion: 308 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 ---------------------------------------------------------- 0 909 943 180 8 0.0 8.0 | 147 19 -10.4 16.0 1 850 1521 20 4 -1.4 -3.8 | 110 13 -11.8 4.3 2 790 2134 285 6 5.8 -1.6 | 144 8 -4.6 6.5 3 762 2438 270 10 10.0 -0.0 | 177 8 -0.4 8.0 4 709 3048 295 13 11.8 -5.5 | 209 3 1.4 2.5 5 700 3157 290 13 12.2 -4.4 | 207 4 1.8 3.6 6 610 4267 275 24 23.9 -2.1 | 246 15 13.5 5.9 7 588 4572 260 22 21.7 3.8 | 224 16 11.3 11.8 8 545 5182 260 25 24.6 4.3 | 229 19 14.2 12.4 9 506 5791 295 22 19.9 -9.3 | 278 10 9.5 -1.3 10 500 5880 295 21 19.0 -8.9 | 276 9 8.6 -0.9 11 486 6096 280 23 22.7 -4.0 | 252 13 12.2 4.0 12 432 7010 285 33 31.9 -8.5 | 271 21 21.5 -0.5 13 400 7600 260 28 27.6 4.9 | 233 21 17.2 12.9 14 383 7925 260 29 28.6 5.0 | 234 22 18.2 13.1 15 367 8230 265 27 26.9 2.4 | 238 19 16.5 10.4 16 352 8534 290 23 21.6 -7.9 | 269 11 11.2 0.1 17 311 9449 260 20 19.7 3.5 | 219 15 9.3 11.5 18 300 9710 265 23 22.9 2.0 | 231 16 12.5 10.0 19 273 10363 275 22 21.9 -1.9 | 242 13 11.5 6.1 20 250 10973 290 27 25.4 -9.2 | 275 15 15.0 -1.2 21 250 10980 290 30 28.2 -10.3 | 277 18 17.8 -2.2 22 208 12192 280 34 33.5 -5.9 | 265 23 23.1 2.1 23 200 12460 265 39 38.9 3.4 | 248 31 28.4 11.4 24 189 12802 260 39 38.4 6.8 | 242 32 28.0 14.8 25 164 13716 280 32 31.5 -5.6 | 263 21 21.1 2.5 26 150 14260 280 31 30.5 -5.4 | 263 20 20.1 2.6 27 134 14935 265 30 29.9 2.6 | 241 22 19.5 10.6 28 120 15545 275 29 28.9 -2.5 | 253 19 18.5 5.5 29 108 16154 250 29 27.3 9.9 | 223 25 16.8 17.9 30 100 16620 270 24 24.0 -0.0 | 239 16 13.6 8.0 31 97 16764 270 24 24.0 -0.0 | 239 16 13.6 8.0 32 87 17374 225 21 14.8 14.8 | 191 23 4.4 22.9 33 83 17678 220 19 12.2 14.6 | 185 23 1.8 22.6 34 74 18288 250 22 20.7 7.5 | 213 19 10.3 15.5 35 70 18593 170 14 -2.4 13.8 | 150 25 -12.8 21.8 36 70 18630 340 7 2.4 -6.6 | 100 8 -8.0 1.4 37 60 19507 270 11 11.0 -0.0 | 184 8 0.6 8.0 38 57 19812 270 10 10.0 -0.0 | 177 8 -0.4 8.0 39 52 20422 85 11 -11.0 -1.0 | 108 22 -21.4 7.1 40 50 20650 70 6 -5.6 -2.1 | 110 17 -16.0 6.0 41 46 21031 20 10 -3.4 -9.4 | 84 14 -13.8 -1.4 42 43 21336 335 13 5.5 -11.8 | 53 6 -4.9 -3.8 43 38 21946 135 10 -7.1 7.1 | 131 23 -17.5 15.1 44 33 22555 70 13 -12.2 -4.4 | 99 23 -22.6 3.6 45 31 22860 45 14 -9.9 -9.9 | 85 20 -20.3 -1.9 46 27 23470 60 10 -8.7 -5.0 | 99 19 -19.1 3.0 Wind Parameters Mean winds (0-6000m): 277.6 at 17.5 knts Storm direction: 307.6 at 13.1 knts Shear (0-3000m) pos: 0.8 neg: 3.4 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 98.4 deg Storm rel helicity (0-3000m) pos: 30.2 neg: -62.8 tot: -32.7 m^2/s^2 ave: -10.9 10^-3 m/s^2 rel: 0.07 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 0.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.05 Bulk Shear: 53.75 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 ------------------------------------------------------------------------------- 500 172 6 142 18| 0.0 12.1 12.1| 0.0 -62.4 -62.4 -124.9 -0.81| 15.8-12.9 1000 341 5 108 9| 0.0 6.4 6.4| 5.4 -62.8 -57.4 -57.4 -0.46| 11.6 -5.3 1500 281 6 147 8| 0.0 4.4 4.4| 20.0 -62.8 -42.8 -28.5 -0.10| 10.3 -1.1 2000 281 7 154 7| 1.2 3.3 4.5| 23.5 -62.8 -39.3 -19.6 -0.03| 8.9 -0.2 2500 285 9 160 6| 1.0 3.2 4.2| 26.6 -62.8 -36.2 -14.5 0.04| 8.2 0.4 3000 284 10 176 6| 0.8 3.4 4.3| 30.2 -62.8 -32.7 -10.9 0.07| 7.8 0.6 4000 276 13 204 7| 0.6 2.8 3.4| 34.6 -87.0 -52.4 -13.1 -0.03| 7.3 -0.2 5000 275 16 218 8| 1.7 2.2 3.9| 78.7 -90.7 -12.0 -2.4 0.12| 7.6 0.9 6000 278 18 231 9| 1.6 2.4 4.0|100.7 -98.9 1.8 0.3 0.12| 7.5 0.9 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20250429.12.gif