UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 20 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 109 1 925 797 SFC 910 943 20.8 19.1 90 1.7 19.6 100 11 302.0 304.8 296.1 347.7 15.47 3 893 1105 19.0 18.3 96 0.7 18.5 83 15 301.8 304.5 295.7 345.9 14.99 4 873 1298 19.0 14.0 73 5.0 15.7 63 20 303.7 305.9 293.9 338.2 11.59 5 850 1526 17.8 13.8 77 4.0 15.1 25 21 304.8 307.0 294.3 339.9 11.75 6 773 2336 14.4 11.5 83 2.9 12.5 339 13 309.5 311.6 295.1 343.3 11.10 7 700 3169 9.4 8.5 94 0.9 8.8 335 4 312.9 314.8 295.3 343.8 10.01 8 658 3680 6.2 6.2 100 0.0 6.2 209 4 314.9 316.6 295.1 343.2 9.08 9 545 5207 -1.3 -3.5 85 2.2 -2.4 264 10 323.4 324.5 294.6 341.1 5.43 10 515 5657 -4.7 -5.9 91 1.2 -5.3 227 15 324.6 325.5 294.4 340.3 4.79 11 501 5874 -5.1 -12.1 58 7.0 -8.0 219 16 326.6 327.2 293.5 336.8 3.02 12 500 5890 -5.3 -12.3 58 7.0 -8.2 220 16 326.6 327.2 293.5 336.7 2.98 13 460 6537 -10.1 -18.1 52 8.0 -12.9 221 18 328.5 328.9 293.2 335.4 2.00 14 434 6982 -12.9 -12.9 100 0.0 -12.9 205 17 330.4 331.1 294.7 341.6 3.27 15 415 7322 -14.9 -15.2 98 0.3 -15.0 185 14 332.1 332.7 294.8 341.9 2.83 16 413 7358 -13.9 -16.2 83 2.3 -14.7 186 15 333.9 334.4 295.0 343.0 2.62 17 400 7600 -15.3 -17.6 83 2.3 -16.1 195 18 335.1 335.6 295.2 343.6 2.40 18 396 7676 -15.9 -17.8 85 1.9 -16.6 194 20 335.3 335.8 295.2 343.7 2.38 19 338 8851 -24.1 -45.1 13 21.0 -26.9 192 21 339.6 339.7 294.4 340.4 0.20 20 325 9136 -26.7 -41.7 23 15.0 -28.7 196 23 339.9 339.9 294.6 341.1 0.30 21 317 9316 -27.9 -31.5 71 3.6 -28.6 198 24 340.6 340.8 295.3 343.9 0.87 22 313 9407 -28.3 -36.3 46 8.0 -29.6 199 25 341.3 341.4 295.1 343.4 0.55 23 304 9616 -30.1 -36.1 56 6.0 -31.0 191 27 341.7 341.8 295.3 343.9 0.58 24 300 9710 -30.5 -41.5 33 11.0 -31.9 185 28 342.4 342.5 295.2 343.7 0.34 25 296 9805 -30.9 -51.9 11 21.0 -32.8 184 29 343.1 343.2 295.2 343.6 0.11 26 250 10980 -41.1 -59.1 13 18.0 -42.0 200 35 345.0 345.0 295.6 345.2 0.05 27 200 12460 -52.5 -70.5 10 18.0 -52.8 210 40 349.6 349.6 296.5 349.7 0.01 28 194 12656 -54.3 -69.3 14 15.0 -54.6 208 41 349.8 349.8 296.6 349.9 0.02 29 163 13751 -62.9 -75.9 16 13.0 -63.0 198 46 353.2 353.2 297.3 353.3 0.01 30 150 14260 -65.3 -79.3 13 14.0 -65.4 175 38 357.6 357.6 298.2 357.6 0.00 31 102 16527 -78.5 -89.5 15 11.0 -78.5 138 29 373.9 373.9 301.2 373.9 0.00 32 101 16583 -78.5 -89.5 15 11.0 -78.5 131 31 375.0 375.0 301.4 375.0 0.00 33 100 16640 -78.5 -89.5 15 11.0 -78.5 125 34 376.1 376.1 301.6 376.1 0.00 34 83 17687 -84.3 -92.3 23 8.0 -84.3 120 46 384.8 384.8 303.0 384.8 0.00 35 79 17963 -80.3 -90.3 17 10.0 -80.3 125 46 398.6 398.6 305.0 398.6 0.00 36 70 18650 -78.1 -89.1 15 11.0 -78.1 95 37 417.3 417.3 307.4 417.3 0.00 37 66 18984 -79.7 -89.7 18 10.0 -79.7 92 35 420.9 420.9 307.8 420.9 0.00 38 58 19725 -75.1 -90.1 8 15.0 -75.2 99 37 447.1 447.1 310.6 447.1 0.00 39 51 20489 -65.1 -91.1 2 26.0 -65.4 79 27 487.3 487.3 314.0 487.3 0.00 40 50 20610 -64.1 -91.1 1 27.0 -64.4 75 25 492.4 492.4 314.4 492.4 0.00 41 46 21123 -62.9 -89.9 1 27.0 -63.3 93 31 507.2 507.2 315.5 507.2 0.00 42 44 21396 -64.5 -90.5 2 26.0 -64.8 86 33 509.8 509.8 315.7 509.8 0.00 43 30 23760 -60.7 -89.7 1 29.0 -61.6 95 35 579.2 579.2 319.6 579.2 0.00 44 24 25155 -59.7 -88.7 1 29.0 -60.9 92 46 620.2 620.2 321.5 620.3 0.01 45 20 26320 -50.9 -85.9 1 35.0 -54.1 90 36 680.4 680.4 323.8 680.5 0.01 46 16 27780 -48.7 -84.7 1 36.0 -53.2 90 39 732.4 732.4 325.4 732.5 0.02 47 14 28655 -50.1 -85.1 1 35.0 -54.5 89 34 756.2 756.2 326.1 756.3 0.02 TRP 83 17687 -84.3 -92.3 23 8.0 -84.3 120 46 384.8 384.8 303.0 384.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 564.59 mb = 4942.70 m = 16216.01 ft Wetbulb zero: 576.92 mb = 4746.14 m = 15571.13 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 87.88 % Est. max temperature: 28.70 C = 83.66 F Sfc-Lift cond lev (LCL): 887.81 mb = 1154.50 m = 3787.68 ft T: 19.00 C 700-500 lapse rate: 5.40 C/km ThetaE index: 9.46 C Layer 893.0- 850.0 mb Conv cond level (CCL): 749.33 mb = 2596.97 m = 8520.15 ft Mean mixing ratio: 12.53 g/kg Conv temperature: 29.17 C = 84.51 F Cap Strength: 2.37 C Lifted Index: 0.83 C Risk: Showers probable Lifted Index @300 mb: 2.59 C Lifted Index @700 mb: 1.24 C Showalter Index: 1.54 C Risk: Showers probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.10 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 223.60 Risk: None Energy Index: -0.63 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.66 J/kg Max Up Vert Vel: 6.88 m/s Conv Inhibition (B-): 176.28 J/kg Cap Strength: 2.33 C Lift Cond Lev (LCL): 818.57 mb = 1847.27 m = 6060.51 ft Lev Free Conv (LFC): 453.57 mb = 6644.75 m = 21800.11 ft Equ Level (EL): 433.57 mb = 6989.70 m = 22931.79 ft B at Equ Level: 23.65 J/kg Max Parcel Lev (MPL): 393.57 mb = 7721.51 m = 25332.72 ft Wind level data Storm motion: 282 at 9 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 ---------------------------------------------------------- 0 910 943 100 11 -10.8 1.9 | 101 20 -19.9 3.8 1 850 1524 40 26 -16.7 -19.9 | 55 31 -25.8 -18.1 2 850 1526 25 21 -8.9 -19.0 | 46 25 -17.9 -17.2 3 791 2134 345 16 4.1 -15.5 | 20 14 -4.9 -13.6 4 763 2438 335 11 4.6 -10.0 | 29 9 -4.4 -8.1 5 700 3169 335 4 1.7 -3.6 | 76 8 -7.4 -1.8 6 684 3353 230 1 0.8 0.6 | 107 9 -8.3 2.5 7 611 4267 170 10 -1.7 9.8 | 137 16 -10.8 11.7 8 567 4877 245 10 9.1 4.2 | 180 6 0.0 6.1 9 546 5182 265 10 10.0 0.9 | 198 3 0.9 2.7 10 506 5791 215 17 9.8 13.9 | 183 16 0.7 15.8 11 500 5890 220 16 10.3 12.3 | 185 14 1.2 14.1 12 487 6096 225 15 10.6 10.6 | 187 13 1.5 12.5 13 450 6706 220 19 12.2 14.6 | 191 17 3.2 16.4 14 415 7315 185 14 1.2 13.9 | 154 18 -7.8 15.8 15 400 7600 195 18 4.7 17.4 | 167 20 -4.4 19.2 16 399 7620 195 20 5.2 19.3 | 170 22 -3.9 21.2 17 367 8230 185 18 1.6 17.9 | 159 21 -7.5 19.8 18 311 9449 200 25 8.6 23.5 | 179 25 -0.5 25.3 19 300 9710 185 28 2.4 27.9 | 167 30 -6.6 29.7 20 273 10363 180 34 0.0 34.0 | 166 37 -9.1 35.8 21 261 10668 175 36 -3.1 35.9 | 162 40 -12.2 37.7 22 250 10980 200 35 12.0 32.9 | 185 35 2.9 34.7 23 218 11887 220 31 19.9 23.7 | 203 28 10.9 25.6 24 200 12460 210 40 20.0 34.6 | 197 38 10.9 36.5 25 156 14021 195 47 12.2 45.4 | 184 47 3.1 47.2 26 150 14260 175 38 -3.3 37.9 | 163 42 -12.4 39.7 27 134 14935 175 36 -3.1 35.9 | 162 40 -12.2 37.7 28 127 15240 155 15 -6.3 13.6 | 135 22 -15.4 15.4 29 121 15545 130 17 -13.0 10.9 | 120 26 -22.1 12.8 30 103 16459 145 26 -14.9 21.3 | 134 33 -24.0 23.1 31 100 16640 125 34 -27.9 19.5 | 120 43 -36.9 21.3 32 98 16764 125 34 -27.9 19.5 | 120 43 -36.9 21.3 33 83 17687 120 46 -39.8 23.0 | 117 55 -48.9 24.8 34 79 17983 125 46 -37.7 26.4 | 121 55 -46.7 28.2 35 70 18650 95 37 -36.9 3.2 | 96 46 -45.9 5.1 36 64 19202 90 34 -34.0 0.0 | 92 43 -43.1 1.8 37 60 19507 105 40 -38.6 10.4 | 104 49 -47.7 12.2 38 54 20117 90 33 -33.0 0.0 | 93 42 -42.1 1.8 39 50 20610 75 25 -24.1 -6.5 | 82 34 -33.2 -4.6 40 49 20726 100 28 -27.6 4.9 | 100 37 -36.6 6.7 41 47 21031 95 30 -29.9 2.6 | 97 39 -38.9 4.5 42 44 21336 90 34 -34.0 0.0 | 92 43 -43.1 1.8 43 42 21641 70 27 -25.4 -9.2 | 78 35 -34.4 -7.4 44 40 21946 85 25 -24.9 -2.2 | 89 34 -34.0 -0.3 45 36 22555 85 17 -16.9 -1.5 | 91 26 -26.0 0.4 46 31 23470 85 26 -25.9 -2.3 | 89 35 -35.0 -0.4 47 30 23760 95 35 -34.9 3.1 | 96 44 -43.9 4.9 48 29 24079 80 40 -39.4 -6.9 | 84 49 -48.5 -5.1 49 27 24384 105 36 -34.8 9.3 | 104 45 -43.8 11.2 50 22 25603 85 51 -50.8 -4.4 | 88 60 -59.9 -2.6 51 20 26320 90 36 -36.0 0.0 | 92 45 -45.1 1.8 52 16 27127 90 39 -39.0 0.0 | 92 48 -48.1 1.8 53 14 27432 95 35 -34.9 3.1 | 96 44 -43.9 4.9 54 13 27737 80 32 -31.5 -5.6 | 85 41 -40.6 -3.7 55 9 28956 85 30 -29.9 -2.6 | 89 39 -38.9 -0.8 Wind Parameters Mean winds (0-6000m): 251.5 at 12.3 knts Storm direction: 281.5 at 9.2 knts Shear (0-3000m) pos: 0.0 neg: 2.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 37.1 deg Storm rel helicity (0-3000m) pos: 37.1 neg: -225.1 tot: -188.0 m^2/s^2 ave: -62.7 10^-3 m/s^2 rel: -0.26 Storm rel vorticity (0-3000m) horiz: 11.6 stream: -3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.20 Bulk Shear: 115.99 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 60 17 74 25| 0.0 19.7 19.7| 0.0-121.1-121.1 -242.2 -0.85| 21.0-17.9 1000 37 19 57 24| 0.0 11.7 11.7| 0.0-215.6-215.6 -215.6 -0.80| 20.5-16.5 1500 22 17 48 21| 0.0 6.7 6.7| 5.0-225.1-220.1 -146.7 -0.66| 16.9-11.2 2000 15 15 45 18| 0.0 4.0 4.0| 14.4-225.1-210.7 -105.4 -0.52| 13.9 -7.3 2500 12 13 48 16| 0.0 2.5 2.5| 27.4-225.1-197.6 -79.1 -0.34| 12.8 -4.4 3000 12 11 51 15| 0.0 2.2 2.2| 37.1-225.1-188.0 -62.7 -0.26| 11.6 -3.0 4000 11 11 52 14| 1.1 1.7 2.8| 63.9-226.2-162.3 -40.6 -0.10| 11.0 -1.2 5000 317 11 11 6| 0.9 1.9 2.8| 66.9-236.5-169.6 -33.9 -0.10| 10.4 -1.1 6000 252 12 205 6| 0.8 1.5 2.4| 71.5-257.2-185.7 -30.9 -0.13| 9.5 -1.2 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251220.12.gif