UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 17 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 124 1 925 812 SFC 911 943 20.8 20.1 96 0.7 20.3 10 4 301.9 304.9 296.7 350.5 16.47 3 850 1543 17.8 16.5 92 1.3 16.9 360 5 304.8 307.4 295.9 346.7 14.03 4 700 3187 11.0 5.0 66 6.0 7.4 255 13 314.7 316.2 294.1 339.2 7.84 5 580 4731 1.6 -5.4 60 7.0 -1.9 272 19 321.1 321.9 293.2 335.5 4.41 6 517 5648 -5.5 -6.6 92 1.1 -6.0 282 23 323.2 324.1 293.9 338.1 4.52 7 508 5786 -5.9 -5.9 100 0.0 -5.9 284 23 324.4 325.3 294.4 340.4 4.85 8 500 5910 -6.5 -6.5 100 0.0 -6.5 285 24 325.1 326.0 294.5 340.7 4.71 9 439 6916 -12.1 -12.1 100 0.0 -12.1 282 25 330.4 331.0 294.8 342.1 3.45 10 400 7620 -17.3 -17.4 99 0.1 -17.3 280 26 332.5 333.0 294.6 341.0 2.44 11 395 7714 -18.1 -18.1 100 0.0 -18.1 280 27 332.7 333.1 294.5 340.8 2.33 12 388 7847 -19.7 -29.7 41 10.0 -21.9 279 28 332.3 332.4 293.2 335.3 0.84 13 366 8278 -21.5 -40.5 16 19.0 -24.5 278 32 335.5 335.5 293.5 336.6 0.30 14 361 8380 -21.7 -38.7 20 17.0 -24.5 278 32 336.5 336.6 293.8 338.0 0.37 15 356 8482 -21.9 -28.9 53 7.0 -23.5 278 33 337.6 337.8 294.6 341.2 0.99 16 349 8628 -22.3 -37.3 24 15.0 -24.9 278 35 339.0 339.1 294.5 340.7 0.44 17 332 8992 -25.7 -30.7 63 5.0 -26.7 277 38 339.2 339.4 294.9 342.5 0.89 18 330 9036 -25.7 -30.0 67 4.3 -26.6 277 38 339.8 340.0 295.1 343.4 0.96 19 316 9349 -27.3 -46.3 15 19.0 -29.5 276 41 341.8 341.8 294.9 342.6 0.19 20 312 9440 -28.1 -46.1 16 18.0 -30.2 276 42 341.9 342.0 295.0 342.7 0.20 21 300 9720 -30.7 -49.7 14 19.0 -32.5 275 44 342.1 342.1 295.0 342.7 0.14 22 299 9744 -31.1 -51.1 12 20.0 -32.9 275 44 341.9 341.9 294.9 342.4 0.12 23 286 10056 -33.7 -36.9 73 3.2 -34.1 274 43 342.5 342.6 295.4 344.7 0.56 24 267 10532 -37.7 -41.0 71 3.3 -38.1 272 43 343.5 343.6 295.5 345.1 0.40 25 252 10926 -41.1 -55.1 21 14.0 -41.9 270 42 344.2 344.2 295.4 344.5 0.09 26 250 10980 -41.5 -54.5 23 13.0 -42.2 270 42 344.4 344.4 295.4 344.8 0.09 27 231 11514 -46.3 -49.7 68 3.4 -46.5 274 44 344.9 345.0 295.7 345.7 0.18 28 221 11808 -48.3 -51.9 66 3.6 -48.5 276 45 346.3 346.3 295.9 346.9 0.14 29 220 11838 -48.5 -56.5 39 8.0 -48.8 276 45 346.4 346.4 295.9 346.7 0.08 30 200 12460 -54.1 -60.1 48 6.0 -54.2 280 48 347.1 347.1 296.0 347.3 0.06 31 191 12753 -56.7 -60.4 63 3.7 -56.8 277 51 347.5 347.5 296.1 347.8 0.06 32 168 13553 -62.9 -70.9 33 8.0 -63.0 268 58 350.2 350.2 296.7 350.3 0.02 33 152 14161 -68.3 -73.3 49 5.0 -68.4 261 63 351.1 351.1 296.9 351.2 0.01 34 150 14240 -68.7 -74.7 42 6.0 -68.7 260 64 351.7 351.7 297.0 351.8 0.01 35 147 14361 -68.9 -74.9 42 6.0 -68.9 253 65 353.4 353.4 297.4 353.5 0.01 36 146 14402 -68.8 -75.3 38 6.6 -68.8 250 66 354.3 354.3 297.5 354.4 0.01 37 130 15102 -66.9 -82.9 9 16.0 -67.0 262 53 369.7 369.7 300.5 369.7 0.00 38 100 16640 -79.7 -87.7 25 8.0 -79.7 290 25 373.7 373.7 301.2 373.7 0.00 39 90 17230 -83.1 -89.1 34 6.0 -83.1 270 38 378.4 378.4 302.0 378.4 0.00 40 84 17613 -82.7 -89.7 29 7.0 -82.7 289 30 386.8 386.8 303.3 386.8 0.00 41 81 17818 -77.1 -87.1 19 10.0 -77.1 299 25 402.3 402.3 305.5 402.3 0.00 42 77 18109 -75.9 -87.9 13 12.0 -75.9 313 19 410.7 410.7 306.6 410.7 0.00 43 74 18338 -77.1 -89.1 13 12.0 -77.1 325 15 412.8 412.8 306.9 412.8 0.00 44 73 18416 -74.5 -87.5 12 13.0 -74.6 328 13 419.9 419.9 307.7 419.9 0.00 45 70 18660 -73.9 -87.9 10 14.0 -74.0 340 8 426.3 426.3 308.4 426.3 0.00 46 52 20415 -67.9 -87.9 4 20.0 -68.1 252 6 478.1 478.1 313.3 478.1 0.00 47 50 20650 -68.7 -88.7 4 20.0 -68.9 240 6 481.6 481.6 313.6 481.6 0.00 48 48 20894 -68.9 -88.9 4 20.0 -69.1 228 8 486.8 486.8 314.0 486.8 0.00 49 36 22653 -59.3 -87.3 1 28.0 -60.2 140 20 553.4 553.4 318.3 553.4 0.01 50 33 23198 -59.3 -87.3 1 28.0 -60.2 114 24 567.3 567.3 319.0 567.3 0.01 51 30 23800 -55.3 -85.3 1 30.0 -56.8 85 28 593.9 593.9 320.3 593.9 0.01 52 28 24241 -54.7 -85.7 1 31.0 -56.4 607.4 607.4 320.9 607.4 0.01 53 28 24241 -54.9 -85.9 1 31.0 -56.6 606.8 606.8 320.9 606.9 0.01 TRP 90 17230 -83.1 -89.1 34 6.0 -83.1 270 38 378.4 378.4 302.0 378.4 0.00 WND 146 14402 -68.8 -75.3 38 6.6 -68.8 250 66 354.3 354.3 297.5 354.4 0.01 Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 565.80 mb = 4937.90 m = 16200.27 ft Wetbulb zero: 604.05 mb = 4397.80 m = 14428.31 ft Precipitable water: 1.63 inches Sfc-500 mean rel hum: 76.25 % Est. max temperature: 29.08 C = 84.35 F Sfc-Lift cond lev (LCL): 901.99 mb = 1029.08 m = 3376.22 ft T: 20.37 C 700-500 lapse rate: 6.43 C/km ThetaE index: 15.02 C Layer 850.0- 517.0 mb Conv cond level (CCL): 811.91 mb = 1931.16 m = 6335.75 ft Mean mixing ratio: 14.40 g/kg Conv temperature: 25.88 C = 78.59 F Cap Strength: 1.14 C Lifted Index: -2.59 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.84 C Lifted Index @700 mb: 1.14 C Showalter Index: -2.33 C Risk: Severe thunderstorms possible Total Totals Index: 47.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 23.00 C K Index: 34.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 232.00 Risk: None Energy Index: -1.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 510.30 J/kg Max Up Vert Vel: 31.95 m/s Conv Inhibition (B-): 66.54 J/kg Cap Strength: 1.15 C Lift Cond Lev (LCL): 843.76 mb = 1605.38 m = 5266.93 ft Lev Free Conv (LFC): 628.76 mb = 4068.48 m = 13347.87 ft Equ Level (EL): 208.76 mb = 12180.10 m = 39960.46 ft B at Equ Level: 509.44 J/kg Max Parcel Lev (MPL): 128.76 mb = 15157.69 m = 49729.36 ft Wind level data Storm motion: 309 at 12 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 ---------------------------------------------------------- 0 911 943 10 4 -0.7 -3.9 | 110 10 -9.8 3.5 1 850 1543 360 5 -0.0 -5.0 | 105 9 -9.1 2.5 2 700 3187 255 13 12.6 3.4 | 198 11 3.4 10.8 3 500 5910 285 24 23.2 -6.2 | 265 14 14.1 1.3 4 400 7620 280 26 25.6 -4.5 | 260 17 16.5 3.0 5 300 9720 275 44 43.8 -3.8 | 264 35 34.7 3.6 6 250 10980 270 42 42.0 -0.0 | 257 34 32.9 7.5 7 200 12460 280 48 47.3 -8.3 | 271 38 38.1 -0.9 8 150 14240 260 64 63.0 11.1 | 251 57 53.9 18.6 9 146 14402 250 66 62.0 22.6 | 240 61 52.9 30.0 10 100 16640 290 25 23.5 -8.6 | 274 14 14.4 -1.1 11 90 17230 270 38 38.0 -0.0 | 256 30 28.9 7.5 12 70 18660 340 8 2.7 -7.5 | 90 6 -6.4 -0.1 13 50 20650 240 6 5.2 3.0 | 159 11 -3.9 10.5 14 30 23800 85 28 -27.9 -2.4 | 98 37 -37.0 5.0 Wind Parameters Mean winds (0-6000m): 279.3 at 15.7 knts Storm direction: 309.3 at 11.8 knts Shear (0-3000m) pos: 0.4 neg: 2.7 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 106.4 deg Storm rel helicity (0-3000m) pos: 16.5 neg: -4.3 tot: 12.3 m^2/s^2 ave: 4.1 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 1.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 15.02 Bulk Shear: 33.97 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 5 4 108 10| 0.0 1.1 1.1| 0.0 -1.8 -1.8 -3.6 -0.65| 1.1 -0.7 1000 356 5 105 9| 0.0 2.2 2.2| 0.0 -3.5 -3.5 -3.5 -0.31| 2.4 -0.7 1500 335 6 106 7| 0.0 3.0 3.0| 2.8 -3.5 -0.7 -0.5 0.17| 3.3 0.6 2000 308 7 132 5| 0.0 3.4 3.4| 5.8 -3.5 2.3 1.2 0.29| 4.2 1.2 2500 284 8 169 6| 0.0 3.3 3.3| 9.0 -4.3 4.8 1.9 0.26| 4.3 1.1 3000 276 9 182 6| 0.4 2.7 3.2| 16.5 -4.3 12.3 4.1 0.34| 4.0 1.4 4000 274 12 200 7| 1.0 2.1 3.1| 33.1 -4.3 28.9 7.2 0.46| 3.7 1.7 5000 278 14 219 7| 1.4 1.6 3.0| 51.9 -4.3 47.7 9.5 0.54| 3.5 1.9 6000 279 16 232 8| 1.1 1.5 2.6| 51.9 -7.3 44.6 7.4 0.49| 3.1 1.5 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20250417.12.gif