UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 4 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 85 1 925 774 SFC 907 943 20.8 19.5 92 1.3 19.9 30 9 302.3 305.2 296.5 349.3 15.93 3 877 1234 18.2 18.2 100 0.0 18.2 355 10 302.5 305.3 296.0 347.3 15.17 4 853 1473 18.8 16.4 86 2.4 17.1 359 8 305.5 308.1 296.0 347.1 13.89 5 850 1503 18.8 16.0 84 2.8 16.9 360 8 305.8 308.4 295.8 346.5 13.58 6 804 1980 15.6 13.7 88 1.9 14.3 273 4 307.3 309.7 295.4 344.6 12.35 7 786 2172 14.8 7.8 63 7.0 10.5 214 7 308.5 310.1 292.9 334.3 8.48 8 700 3145 8.2 7.0 92 1.2 7.5 205 7 311.6 313.3 294.1 339.4 9.02 9 665 3567 5.4 5.3 99 0.1 5.4 185 10 313.0 314.6 294.1 339.2 8.43 10 655 3691 5.0 1.6 79 3.4 3.1 181 10 313.9 315.2 292.9 334.5 6.57 11 500 5850 -7.1 -7.1 100 0.0 -7.1 275 20 324.4 325.3 294.1 339.2 4.49 12 493 5961 -6.5 -7.7 91 1.2 -7.1 277 20 326.4 327.3 294.6 340.9 4.35 13 449 6692 -8.1 -15.1 57 7.0 -10.9 250 31 333.3 333.8 294.9 342.5 2.64 14 400 7580 -15.5 -16.9 89 1.4 -16.0 255 30 334.8 335.4 295.2 343.8 2.55 15 399 7599 -15.7 -16.8 91 1.1 -16.1 255 30 334.8 335.3 295.3 343.9 2.57 16 379 7985 -18.1 -21.7 73 3.6 -19.2 258 29 336.6 337.0 295.0 343.0 1.78 17 355 8470 -21.5 -22.7 90 1.2 -21.8 260 30 338.4 338.8 295.4 344.7 1.74 18 300 9690 -29.9 -33.4 71 3.5 -30.5 285 22 343.2 343.4 295.8 346.2 0.76 19 299 9714 -30.1 -33.8 70 3.7 -30.7 285 22 343.3 343.4 295.8 346.1 0.73 20 270 10431 -36.3 -38.1 83 1.8 -36.5 281 28 344.4 344.5 295.8 346.5 0.53 21 250 10960 -40.9 -46.9 52 6.0 -41.3 290 30 345.3 345.3 295.8 346.2 0.22 22 234 11404 -44.3 -53.3 36 9.0 -44.8 291 32 346.7 346.7 296.0 347.2 0.11 23 211 12084 -50.5 -57.5 43 7.0 -50.7 271 40 347.4 347.5 296.1 347.8 0.08 24 209 12146 -51.1 -58.1 43 7.0 -51.3 269 41 347.4 347.5 296.1 347.8 0.07 25 207 12208 -51.1 -64.1 20 13.0 -51.4 267 42 348.4 348.4 296.3 348.5 0.03 26 200 12430 -52.9 -64.9 22 12.0 -53.2 260 45 349.0 349.0 296.4 349.1 0.03 27 194 12626 -54.7 -60.7 47 6.0 -54.9 259 46 349.2 349.2 296.5 349.4 0.06 28 190 12759 -55.7 -67.7 21 12.0 -55.9 258 46 349.7 349.7 296.5 349.7 0.02 29 175 13277 -60.5 -65.5 52 5.0 -60.6 254 48 350.1 350.1 296.7 350.2 0.03 30 168 13530 -62.5 -71.5 29 9.0 -62.6 253 48 350.9 350.9 296.8 350.9 0.01 31 150 14220 -68.5 -74.5 42 6.0 -68.5 250 48 352.1 352.1 297.1 352.1 0.01 32 148 14300 -68.9 -75.9 36 7.0 -68.9 249 49 352.8 352.8 297.3 352.8 0.01 33 143 14505 -71.3 -73.9 68 2.6 -71.3 247 50 352.0 352.1 297.1 352.1 0.01 34 122 15434 -74.9 -83.9 23 9.0 -74.9 260 33 361.8 361.8 299.1 361.9 0.00 35 115 15780 -71.5 -85.5 11 14.0 -71.6 240 30 374.3 374.3 301.3 374.3 0.00 36 100 16600 -74.1 -87.1 12 13.0 -74.2 215 9 384.6 384.6 303.0 384.6 0.00 37 82 17731 -81.7 -88.7 29 7.0 -81.7 200 19 391.5 391.5 304.0 391.5 0.00 38 72 18468 -76.3 -88.3 13 12.0 -76.3 142 22 417.8 417.8 307.4 417.8 0.00 39 70 18630 -77.5 -88.5 15 11.0 -77.6 100 24 418.6 418.6 307.6 418.6 0.00 40 66 18968 -78.1 -89.1 15 11.0 -78.1 99 23 424.4 424.4 308.2 424.4 0.00 41 58 19720 -72.1 -89.1 6 17.0 -72.2 86 10 453.9 453.9 311.2 453.9 0.00 42 50 20600 -70.7 -89.7 4 19.0 -70.8 100 21 476.9 476.9 313.2 476.9 0.00 43 48 20842 -70.7 -89.7 4 19.0 -70.8 103 21 482.5 482.5 313.7 482.5 0.00 44 42 21649 -62.9 -88.9 2 26.0 -63.4 90 36 520.6 520.6 316.4 520.6 0.00 45 36 22597 -63.5 -88.5 2 25.0 -64.0 81 31 542.5 542.5 317.6 542.5 0.00 46 32 23327 -59.7 -87.7 1 28.0 -60.6 99 30 571.2 571.2 319.2 571.3 0.01 47 30 23730 -60.7 -87.7 2 27.0 -61.6 90 40 579.2 579.2 319.6 579.2 0.01 48 26 24633 -54.9 -85.9 1 31.0 -56.7 91 42 619.8 619.8 321.5 619.9 0.01 49 22 25708 -51.9 -83.9 1 32.0 -54.6 95 38 659.1 659.1 323.0 659.2 0.02 TRP 82 17731 -81.7 -88.7 29 7.0 -81.7 200 19 391.5 391.5 304.0 391.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5765.00 m Freezing level: 590.95 mb = 4583.21 m = 15036.59 ft Wetbulb zero: 607.76 mb = 4289.60 m = 14073.33 ft Precipitable water: 1.64 inches Sfc-500 mean rel hum: 87.27 % Est. max temperature: 27.82 C = 82.08 F Sfc-Lift cond lev (LCL): 890.12 mb = 1105.39 m = 3626.55 ft T: 19.35 C 700-500 lapse rate: 5.66 C/km ThetaE index: 15.01 C Layer 877.0- 700.0 mb Conv cond level (CCL): 806.70 mb = 1951.01 m = 6400.87 ft Mean mixing ratio: 14.12 g/kg Conv temperature: 25.64 C = 78.16 F Cap Strength: 1.49 C Lifted Index: -3.02 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.20 C Lifted Index @700 mb: -1.55 C Showalter Index: -2.90 C Risk: Severe thunderstorms possible Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 23.10 C K Index: 40.70 Risk: > 80 % chance of thunderstorms Sweat Index: 228.00 Risk: None Energy Index: -1.52 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 372.28 J/kg Max Up Vert Vel: 27.29 m/s Conv Inhibition (B-): 27.61 J/kg Cap Strength: 1.49 C Lift Cond Lev (LCL): 836.30 mb = 1642.25 m = 5387.88 ft Lev Free Conv (LFC): 751.30 mb = 2551.35 m = 8370.46 ft Equ Level (EL): 461.30 mb = 6480.41 m = 21260.92 ft B at Equ Level: 317.34 J/kg Max Parcel Lev (MPL): 131.30 mb = 15004.47 m = 49226.68 ft Wind level data Storm motion: 272 at 10 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 ---------------------------------------------------------- 0 907 943 30 9 -4.5 -7.8 | 63 17 -14.8 -7.5 1 878 1219 355 10 0.9 -10.0 | 44 13 -9.4 -9.6 2 850 1503 360 8 -0.0 -8.0 | 53 13 -10.3 -7.7 3 848 1524 350 11 1.9 -10.8 | 39 13 -8.4 -10.5 4 818 1829 325 2 1.1 -1.6 | 82 9 -9.2 -1.3 5 789 2134 215 7 4.0 5.7 | 134 9 -6.3 6.1 6 761 2438 205 11 4.6 10.0 | 151 12 -5.7 10.3 7 700 3145 205 7 3.0 6.3 | 132 10 -7.4 6.7 8 682 3353 195 10 2.6 9.7 | 142 13 -7.7 10.0 9 657 3658 180 10 0.0 10.0 | 135 15 -10.3 10.3 10 609 4267 220 11 7.1 8.4 | 160 9 -3.2 8.8 11 586 4572 225 13 9.2 9.2 | 173 10 -1.1 9.5 12 504 5791 255 20 19.3 5.2 | 239 11 9.0 5.5 13 500 5850 275 20 19.9 -1.7 | 278 10 9.6 -1.4 14 484 6096 280 20 19.7 -3.5 | 288 10 9.4 -3.1 15 466 6401 245 25 22.7 10.6 | 229 16 12.3 10.9 16 448 6706 250 31 29.1 10.6 | 240 22 18.8 10.9 17 400 7580 255 30 29.0 7.8 | 247 20 18.7 8.1 18 366 8230 260 28 27.6 4.9 | 253 18 17.3 5.2 19 337 8839 260 33 32.5 5.7 | 255 23 22.2 6.1 20 310 9449 280 20 19.7 -3.5 | 288 10 9.4 -3.1 21 300 9690 285 22 21.3 -5.7 | 296 12 10.9 -5.4 22 297 9754 285 23 22.2 -6.0 | 295 13 11.9 -5.6 23 261 10668 280 30 29.5 -5.2 | 284 20 19.2 -4.9 24 250 10960 290 30 28.2 -10.3 | 299 20 17.9 -9.9 25 238 11278 295 30 27.2 -12.7 | 306 21 16.9 -12.3 26 200 12430 260 45 44.3 7.8 | 257 35 34.0 8.2 27 179 13106 255 48 46.4 12.4 | 251 38 36.0 12.8 28 150 14220 250 48 45.1 16.4 | 244 39 34.8 16.8 29 140 14630 245 51 46.2 21.6 | 239 42 35.9 21.9 30 133 14935 240 41 35.5 20.5 | 230 33 25.2 20.8 31 120 15545 265 31 30.9 2.7 | 262 21 20.6 3.0 32 108 16154 200 29 9.9 27.3 | 179 28 -0.4 27.6 33 100 16600 215 9 5.2 7.4 | 146 9 -5.2 7.7 34 97 16764 195 11 2.8 10.6 | 146 13 -7.5 11.0 35 83 17678 235 13 10.6 7.5 | 182 8 0.3 7.8 36 82 17731 200 19 6.5 17.9 | 168 19 -3.8 18.2 37 78 17983 205 19 8.0 17.2 | 173 18 -2.3 17.6 38 74 18288 190 20 3.5 19.7 | 161 21 -6.8 20.0 39 70 18630 100 24 -23.6 4.2 | 98 34 -34.0 4.5 40 67 18898 100 24 -23.6 4.2 | 98 34 -34.0 4.5 41 57 19812 85 9 -9.0 -0.8 | 89 19 -19.3 -0.4 42 54 20117 90 14 -14.0 0.0 | 91 24 -24.3 0.3 43 52 20422 80 18 -17.7 -3.1 | 84 28 -28.0 -2.8 44 50 20600 100 21 -20.7 3.6 | 97 31 -31.0 4.0 45 49 20726 95 20 -19.9 1.7 | 94 30 -30.2 2.1 46 47 21031 115 23 -20.8 9.7 | 108 33 -31.2 10.1 47 42 21641 90 36 -36.0 0.0 | 90 46 -46.3 0.3 48 40 21946 85 31 -30.9 -2.7 | 87 41 -41.2 -2.4 49 38 22250 90 29 -29.0 0.0 | 90 39 -39.3 0.3 50 35 22860 75 32 -30.9 -8.3 | 79 42 -41.2 -7.9 51 33 23165 85 26 -25.9 -2.3 | 87 36 -36.2 -1.9 52 31 23470 110 34 -31.9 11.6 | 106 44 -42.3 12.0 53 30 23730 90 40 -40.0 0.0 | 90 50 -50.3 0.3 54 30 23774 95 45 -44.8 3.9 | 94 55 -55.1 4.3 55 28 24079 90 43 -43.0 0.0 | 90 53 -53.3 0.3 56 22 24994 95 38 -37.9 3.3 | 94 48 -48.2 3.6 57 20 25298 85 47 -46.8 -4.1 | 86 57 -57.1 -3.8 58 16 26213 75 37 -35.7 -9.6 | 79 47 -46.1 -9.2 Wind Parameters Mean winds (0-6000m): 241.9 at 13.8 knts Storm direction: 271.9 at 10.3 knts Shear (0-3000m) pos: 0.3 neg: 3.2 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 82.5 deg Storm rel helicity (0-3000m) pos: 55.7 neg: -43.8 tot: 11.9 m^2/s^2 ave: 4.0 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 1.6 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 6.73 Bulk Shear: 55.30 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 5 9 51 14| 0.0 4.8 4.8| 5.1 -19.2 -14.2 -28.4 -0.46| 7.5 -3.4 1000 357 8 53 12| 0.0 5.5 5.5| 24.5 -28.2 -3.8 -3.8 0.08| 10.9 0.8 1500 330 8 46 9| 0.0 6.8 6.8| 41.5 -28.2 13.3 8.9 0.31| 11.2 3.5 2000 265 8 114 2| 0.0 4.4 4.4| 41.5 -35.4 6.2 3.1 0.22| 9.1 2.0 2500 232 8 144 7| 0.0 3.9 3.9| 47.0 -39.6 7.4 3.0 0.20| 8.3 1.7 3000 214 9 143 9| 0.3 3.2 3.5| 55.7 -43.8 11.9 4.0 0.21| 7.8 1.6 4000 218 9 150 9| 1.3 2.4 3.8| 76.7 -43.8 32.8 8.2 0.32| 7.0 2.2 5000 233 11 169 7| 2.2 1.9 4.2|115.9 -43.8 72.0 14.4 0.47| 7.2 3.4 6000 242 14 195 7| 2.3 2.8 5.1|138.0 -84.2 53.8 9.0 0.28| 7.9 2.2 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251204.12.gif