UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 19 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 87 1 925 776 SFC 908 943 20.8 20.0 95 0.8 20.2 60 8 302.2 305.2 296.8 350.7 16.42 3 888 1134 19.6 19.2 98 0.4 19.4 26 11 302.9 305.8 296.7 350.2 15.97 4 850 1506 17.6 15.9 90 1.7 16.4 360 18 304.6 307.1 295.5 344.8 13.49 5 759 2469 12.4 11.5 94 0.9 11.8 0 21 309.0 311.1 295.1 343.4 11.31 6 747 2603 12.6 9.8 83 2.8 10.8 2 19 310.6 312.5 294.8 342.0 10.24 7 736 2728 12.6 8.6 77 4.0 10.1 4 17 311.9 313.8 294.7 341.5 9.58 8 700 3149 9.8 7.7 87 2.1 8.5 10 11 313.3 315.1 295.0 342.7 9.47 9 635 3954 5.4 4.9 97 0.5 5.1 8 6 317.2 318.8 295.3 344.3 8.59 10 507 5770 -3.1 -6.4 78 3.3 -4.7 147 5 328.0 328.9 295.2 343.6 4.68 11 500 5880 -3.9 -6.5 82 2.6 -5.2 175 6 328.3 329.2 295.3 344.0 4.71 12 499 5896 -4.1 -6.6 83 2.5 -5.3 176 6 328.2 329.2 295.3 343.9 4.68 13 479 6218 -6.3 -10.1 74 3.8 -8.0 184 11 329.4 330.1 294.8 341.9 3.71 14 471 6350 -6.7 -20.7 32 14.0 -11.4 178 14 330.5 330.8 293.3 336.0 1.56 15 441 6863 -9.5 -29.5 18 20.0 -14.7 168 12 333.2 333.4 293.3 336.0 0.75 16 431 7040 -10.9 -28.9 21 18.0 -15.6 178 12 333.6 333.8 293.5 336.6 0.81 17 409 7441 -14.1 -17.8 74 3.7 -15.4 200 10 334.5 335.0 295.0 342.7 2.31 18 400 7610 -15.1 -20.1 66 5.0 -16.7 210 9 335.4 335.8 294.8 342.3 1.94 19 384 7917 -17.5 -30.5 31 13.0 -20.5 205 12 336.1 336.3 294.1 339.1 0.79 20 346 8689 -21.7 -41.7 15 20.0 -24.8 195 15 340.6 340.7 294.7 341.8 0.28 21 334 8948 -23.5 -45.5 11 22.0 -26.5 192 16 341.6 341.7 294.9 342.4 0.20 22 301 9696 -30.5 -47.5 17 17.0 -32.3 209 15 342.1 342.1 295.0 342.8 0.17 23 300 9720 -30.7 -47.7 17 17.0 -32.4 210 15 342.1 342.1 295.0 342.8 0.17 24 298 9767 -30.9 -48.9 15 18.0 -32.7 210 15 342.5 342.5 295.1 343.1 0.15 25 283 10131 -33.9 -38.1 66 4.2 -34.5 213 16 343.3 343.4 295.6 345.2 0.51 26 268 10511 -35.5 -39.3 68 3.8 -36.0 227 20 346.3 346.4 296.3 348.2 0.47 27 250 10990 -39.7 -41.4 84 1.7 -39.9 265 19 347.0 347.1 296.3 348.7 0.41 28 240 11269 -42.3 -43.8 85 1.5 -42.4 265 19 347.2 347.3 296.3 348.5 0.33 29 200 12480 -52.1 -56.7 58 4.6 -52.2 250 26 350.3 350.3 296.8 350.6 0.09 30 191 12776 -54.7 -59.4 56 4.7 -54.8 246 27 350.7 350.7 296.8 351.0 0.07 31 163 13768 -64.1 -70.1 44 6.0 -64.1 232 32 351.2 351.2 296.9 351.3 0.02 32 157 13996 -66.7 -71.3 52 4.6 -66.7 229 34 350.6 350.6 296.8 350.7 0.02 33 150 14270 -68.5 -73.1 51 4.6 -68.5 225 35 352.1 352.1 297.1 352.1 0.01 34 133 14981 -72.3 -80.3 29 8.0 -72.3 213 48 357.6 357.6 298.2 357.7 0.00 35 124 15392 -71.7 -83.7 15 12.0 -71.8 187 44 366.0 366.0 299.8 366.0 0.00 36 114 15885 -72.7 -88.7 7 16.0 -72.8 157 40 373.0 373.0 301.1 373.0 0.00 37 100 16640 -78.5 -88.5 18 10.0 -78.5 125 23 376.1 376.1 301.6 376.1 0.00 38 85 17556 -83.5 -89.5 34 6.0 -83.5 130 31 383.8 383.8 302.9 383.8 0.00 39 70 18650 -78.3 -88.3 18 10.0 -78.3 115 33 416.9 416.9 307.3 416.9 0.00 40 63 19252 -77.1 -89.1 13 12.0 -77.1 108 27 432.3 432.3 309.1 432.3 0.00 41 58 19734 -70.9 -89.9 4 19.0 -71.0 104 27 456.6 456.6 311.5 456.6 0.00 42 50 20620 -67.5 -90.5 2 23.0 -67.7 85 25 484.4 484.4 313.8 484.4 0.00 43 30 23770 -56.9 -86.9 1 30.0 -58.2 75 34 589.5 589.5 320.1 589.6 0.01 44 27 24440 -54.9 -86.9 1 32.0 -56.6 78 34 613.2 613.2 321.2 613.2 0.01 45 23 25462 -56.3 -87.3 1 31.0 -58.0 78 38 637.8 637.8 322.2 637.9 0.01 46 22 25746 -53.3 -85.3 1 32.0 -55.7 81 40 654.9 654.9 322.9 655.0 0.01 TRP 85 17556 -83.5 -89.5 34 6.0 -83.5 130 31 383.8 383.8 302.9 383.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 553.68 mb = 5107.58 m = 16756.94 ft Wetbulb zero: 568.46 mb = 4846.93 m = 15901.79 ft Precipitable water: 1.72 inches Sfc-500 mean rel hum: 88.90 % Est. max temperature: 27.55 C = 81.59 F Sfc-Lift cond lev (LCL): 897.69 mb = 1040.73 m = 3414.44 ft T: 20.18 C 700-500 lapse rate: 5.02 C/km ThetaE index: 9.24 C Layer 888.0- 700.0 mb Conv cond level (CCL): 826.54 mb = 1744.05 m = 5721.87 ft Mean mixing ratio: 14.25 g/kg Conv temperature: 24.20 C = 75.57 F Cap Strength: 0.98 C Lifted Index: 0.24 C Risk: Showers probable Lifted Index @300 mb: -0.54 C Lifted Index @700 mb: 0.11 C Showalter Index: 0.94 C Risk: Thunderstorms probable Total Totals Index: 41.30 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 19.80 C K Index: 35.30 Risk: > 80 % chance of thunderstorms Sweat Index: 232.80 Risk: None Energy Index: -0.22 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 71.48 J/kg Max Up Vert Vel: 11.96 m/s Conv Inhibition (B-): 6.35 J/kg Cap Strength: 0.93 C Lift Cond Lev (LCL): 843.09 mb = 1575.46 m = 5168.76 ft Lev Free Conv (LFC): 788.09 mb = 2149.22 m = 7051.15 ft Equ Level (EL): 748.09 mb = 2591.11 m = 8500.91 ft B at Equ Level: 18.62 J/kg Max Parcel Lev (MPL): 248.09 mb = 11042.47 m = 36228.12 ft Wind level data Storm motion: 38 at 7 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 60 8 -6.9 -4.0 | 129 3 -2.3 1.9 1 879 1219 10 12 -2.1 -11.8 | 337 6 2.5 -6.0 2 850 1506 360 18 -0.0 -18.0 | 339 13 4.6 -12.1 3 789 2134 355 19 1.7 -18.9 | 334 14 6.3 -13.1 4 761 2438 360 21 -0.0 -21.0 | 343 16 4.6 -15.1 5 700 3149 10 11 -1.9 -10.8 | 332 6 2.7 -5.0 6 683 3353 5 12 -1.0 -12.0 | 330 7 3.6 -6.1 7 610 4267 10 2 -0.3 -2.0 | 228 6 4.3 3.9 8 545 5182 0 0 -0.0 -0.0 | 218 7 4.6 5.9 9 500 5880 175 6 -0.5 6.0 | 199 13 4.1 11.8 10 486 6096 190 8 1.4 7.9 | 204 15 6.0 13.7 11 468 6401 175 15 -1.3 14.9 | 189 21 3.3 20.8 12 449 6706 160 13 -4.4 12.2 | 180 18 0.2 18.1 13 400 7610 210 9 4.5 7.8 | 214 16 9.1 13.7 14 399 7620 210 11 5.5 9.5 | 213 18 10.1 15.4 15 368 8230 200 13 4.4 12.2 | 207 20 9.0 18.1 16 325 9144 190 17 3.0 16.7 | 198 24 7.6 22.6 17 300 9720 210 15 7.5 13.0 | 213 22 12.1 18.8 18 274 10363 215 17 9.8 13.9 | 216 24 14.4 19.8 19 262 10668 240 23 19.9 11.5 | 235 30 24.5 17.4 20 250 10990 265 19 18.9 1.7 | 252 25 23.5 7.5 21 239 11278 265 19 18.9 1.7 | 252 25 23.5 7.5 22 219 11887 245 14 12.7 5.9 | 236 21 17.3 11.8 23 209 12192 260 21 20.7 3.6 | 249 27 25.3 9.5 24 200 12480 250 26 24.4 8.9 | 243 33 29.0 14.8 25 150 14270 225 35 24.7 24.7 | 224 42 29.4 30.6 26 134 14935 215 48 27.5 39.3 | 215 55 32.1 45.2 27 109 16154 140 37 -23.8 28.3 | 151 39 -19.2 34.2 28 100 16640 125 23 -18.8 13.2 | 143 24 -14.2 19.0 29 98 16764 125 24 -19.7 13.8 | 143 25 -15.1 19.6 30 93 17069 125 23 -18.8 13.2 | 143 24 -14.2 19.0 31 85 17556 130 31 -23.7 19.9 | 143 32 -19.1 25.8 32 75 18288 125 33 -27.0 18.9 | 138 33 -22.4 24.8 33 70 18650 115 33 -29.9 13.9 | 128 32 -25.3 19.8 34 67 18898 110 34 -31.9 11.6 | 123 32 -27.3 17.5 35 64 19202 105 27 -26.1 7.0 | 121 25 -21.5 12.8 36 60 19507 120 26 -22.5 13.0 | 136 26 -17.9 18.9 37 57 19812 100 27 -26.6 4.7 | 116 24 -22.0 10.5 38 54 20117 125 31 -25.4 17.8 | 139 31 -20.8 23.6 39 52 20422 100 28 -27.6 4.9 | 115 25 -23.0 10.7 40 50 20620 85 25 -24.9 -2.2 | 100 21 -20.3 3.7 41 49 20726 110 29 -27.3 9.9 | 125 28 -22.6 15.8 42 47 21031 85 26 -25.9 -2.3 | 100 22 -21.3 3.6 43 42 21641 100 32 -31.5 5.6 | 113 29 -26.9 11.4 44 38 22250 85 28 -27.9 -2.4 | 98 24 -23.3 3.4 45 37 22555 105 25 -24.1 6.5 | 122 23 -19.5 12.3 46 30 23770 75 34 -32.8 -8.8 | 84 28 -28.2 -2.9 47 30 23774 95 34 -33.9 3.0 | 107 31 -29.3 8.8 48 26 24384 70 34 -31.9 -11.6 | 78 28 -27.3 -5.8 49 21 25298 85 42 -41.8 -3.7 | 93 37 -37.2 2.2 50 18 25908 95 34 -33.9 3.0 | 107 31 -29.3 8.8 51 16 26213 85 33 -32.9 -2.9 | 96 28 -28.3 3.0 Wind Parameters Mean winds (0-6000m): 8.2 at 9.9 knts Storm direction: 38.2 at 7.5 knts Shear (0-3000m) pos: 1.8 neg: 2.5 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 135.8 deg Storm rel helicity (0-3000m) pos: 9.7 neg: -20.4 tot: -10.7 m^2/s^2 ave: -3.6 10^-3 m/s^2 rel: -0.36 Storm rel vorticity (0-3000m) horiz: 6.7 stream: -2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 85.74 Bulk Shear: 0.83 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 16 12 347 6| 0.0 14.6 14.6| 0.6 -6.0 -5.4 -10.9 -0.53| 15.5 -8.2 1000 5 15 340 10| 0.0 8.6 8.6| 0.6 -9.3 -8.7 -8.7 -0.50| 9.2 -4.6 1500 2 17 339 11| 0.9 5.7 6.6| 9.5 -10.4 -0.9 -0.6 -0.33| 7.2 -2.4 2000 2 17 340 12| 1.5 4.3 5.8| 9.7 -11.9 -2.2 -1.1 -0.26| 7.3 -1.9 2500 3 16 339 11| 1.2 3.0 4.2| 9.7 -15.0 -5.3 -2.1 -0.28| 6.9 -1.9 3000 3 15 336 9| 1.8 2.5 4.3| 9.7 -20.4 -10.7 -3.6 -0.36| 6.7 -2.4 4000 3 11 324 7| 1.4 1.5 2.9| 9.7 -25.2 -15.5 -3.9 -0.40| 5.7 -2.3 5000 4 10 313 5| 1.8 1.2 3.0| 17.0 -31.1 -14.1 -2.8 -0.33| 5.8 -1.9 6000 8 10 321 5| 1.3 0.7 1.9| 31.1 -64.1 -33.0 -5.5 -0.31| 6.1 -1.9 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251219.12.gif