UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 9 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 90 1 925 775 SFC 907 943 20.2 19.4 95 0.8 19.6 30 12 301.7 304.6 296.3 348.3 15.83 3 850 1502 16.2 16.2 100 0.0 16.2 345 23 303.1 305.7 295.3 343.9 13.76 4 779 2241 12.2 11.5 95 0.7 11.7 323 27 306.5 308.5 294.2 339.6 11.01 5 700 3135 8.6 7.4 92 1.2 7.9 315 28 312.0 313.8 294.5 340.6 9.27 6 665 3559 7.2 4.8 85 2.4 5.8 320 29 315.0 316.6 294.4 340.5 8.14 7 586 4588 0.4 0.4 100 0.0 0.4 320 32 318.7 320.0 294.4 340.2 6.74 8 500 5850 -5.5 -5.7 98 0.2 -5.6 305 27 326.3 327.3 295.0 342.9 5.01 9 431 7002 -12.5 -12.8 98 0.3 -12.6 300 24 331.6 332.3 295.0 343.0 3.32 10 400 7570 -15.5 -17.1 88 1.6 -16.1 300 24 334.8 335.4 295.2 343.6 2.50 11 395 7665 -16.1 -18.1 85 2.0 -16.8 287 23 335.3 335.7 295.1 343.5 2.33 12 300 9680 -30.7 -33.0 80 2.3 -31.1 270 22 342.1 342.3 295.6 345.1 0.79 13 292 9872 -32.1 -35.1 75 3.0 -32.6 278 22 342.8 342.9 295.6 345.3 0.66 14 255 10815 -39.9 -44.1 64 4.2 -40.3 257 19 344.8 344.8 295.7 346.0 0.30 15 250 10950 -40.9 -44.7 67 3.8 -41.2 245 21 345.3 345.3 295.8 346.4 0.29 16 242 11170 -42.9 -45.4 76 2.5 -43.1 245 22 345.5 345.5 295.8 346.6 0.27 17 221 11773 -48.3 -53.3 56 5.0 -48.6 239 27 346.3 346.3 295.9 346.8 0.12 18 209 12137 -51.7 -54.1 75 2.4 -51.8 234 31 346.5 346.5 296.0 347.0 0.12 19 205 12261 -52.5 -59.5 43 7.0 -52.7 232 32 347.2 347.2 296.1 347.4 0.06 20 200 12420 -53.9 -58.2 59 4.3 -54.0 230 34 347.4 347.4 296.1 347.7 0.07 21 182 13018 -59.5 -62.9 64 3.4 -59.6 228 35 347.8 347.8 296.2 348.0 0.04 22 150 14200 -69.7 -74.1 52 4.4 -69.7 230 44 350.0 350.0 296.7 350.1 0.01 23 132 14953 -75.3 -81.3 39 6.0 -75.3 232 51 353.1 353.1 297.3 353.1 0.00 24 125 15271 -73.3 -83.3 20 10.0 -73.3 228 52 362.2 362.2 299.1 362.2 0.00 25 107 16170 -78.5 -83.5 44 5.0 -78.5 270 19 368.9 368.9 300.4 368.9 0.00 26 100 16560 -75.1 -87.1 14 12.0 -75.2 225 12 382.6 382.6 302.6 382.6 0.00 27 70 18610 -78.7 -87.7 22 9.0 -78.7 65 14 416.0 416.0 307.2 416.0 0.00 28 69 18692 -78.9 -87.9 22 9.0 -78.9 65 14 417.3 417.3 307.4 417.3 0.00 29 56 19891 -75.3 -89.3 9 14.0 -75.4 124 22 451.2 451.2 311.0 451.2 0.00 30 50 20560 -67.7 -89.7 3 22.0 -67.9 85 28 484.0 484.0 313.8 484.0 0.00 31 48 20810 -64.1 -89.1 2 25.0 -64.4 105 23 498.2 498.2 314.8 498.2 0.00 32 44 21348 -62.9 -87.9 2 25.0 -63.4 66 28 513.7 513.7 315.9 513.7 0.00 33 30 23740 -59.1 -87.1 1 28.0 -60.1 85 25 583.5 583.5 319.8 583.6 0.01 34 29 23953 -58.7 -87.7 1 29.0 -59.8 88 26 590.3 590.3 320.2 590.3 0.01 35 26 24637 -59.9 -87.9 1 28.0 -61.0 98 28 605.6 605.6 320.9 605.7 0.01 36 21 25993 -52.7 -84.7 1 32.0 -55.4 106 24 665.5 665.5 323.3 665.6 0.01 TRP 107 16170 -78.5 -83.5 44 5.0 -78.5 270 19 368.9 368.9 300.4 368.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5760.00 m Freezing level: 580.17 mb = 4673.77 m = 15333.70 ft Wetbulb zero: 580.66 mb = 4661.05 m = 15291.96 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 95.47 % Est. max temperature: 26.33 C = 79.39 F Sfc-Lift cond lev (LCL): 896.67 mb = 1041.64 m = 3417.40 ft T: 19.49 C 700-500 lapse rate: 5.19 C/km ThetaE index: 8.66 C Layer 850.0- 700.0 mb Conv cond level (CCL): 854.34 mb = 1458.12 m = 4783.80 ft Mean mixing ratio: 13.96 g/kg Conv temperature: 21.51 C = 70.72 F Cap Strength: 0.15 C Lifted Index: -0.54 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.72 C Lifted Index @700 mb: -0.44 C Showalter Index: -0.25 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.70 C K Index: 36.70 Risk: > 80 % chance of thunderstorms Sweat Index: 267.40 Risk: None Energy Index: -0.31 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 158.08 J/kg Max Up Vert Vel: 17.78 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.14 C Lift Cond Lev (LCL): 852.75 mb = 1474.20 m = 4836.56 ft Lev Free Conv (LFC): 847.75 mb = 1524.49 m = 5001.53 ft Equ Level (EL): 667.75 mb = 3524.74 m = 11563.95 ft B at Equ Level: 52.16 J/kg Max Parcel Lev (MPL): 207.75 mb = 12175.39 m = 39945.02 ft Wind level data Storm motion: 348 at 21 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 12 -6.0 -10.4 | 133 14 -10.3 9.8 1 878 1219 355 18 1.6 -17.9 | 129 4 -2.7 2.2 2 850 1502 345 23 6.0 -22.2 | 321 3 1.7 -2.1 3 818 1829 335 31 13.1 -28.1 | 312 12 8.8 -7.9 4 789 2134 330 26 13.0 -22.5 | 285 9 8.7 -2.4 5 760 2438 310 29 22.2 -18.6 | 265 18 17.9 1.5 6 700 3135 315 28 19.8 -19.8 | 269 16 15.5 0.3 7 632 3962 325 29 16.6 -23.8 | 286 13 12.3 -3.6 8 608 4267 325 31 17.8 -25.4 | 291 14 13.5 -5.2 9 564 4877 315 34 24.0 -24.0 | 281 20 19.8 -3.9 10 500 5850 305 27 22.1 -15.5 | 255 18 17.8 4.7 11 484 6096 300 24 20.8 -12.0 | 244 18 16.5 8.1 12 400 7570 300 24 20.8 -12.0 | 244 18 16.5 8.1 13 397 7620 285 23 22.2 -6.0 | 232 23 17.9 14.2 14 381 7925 300 23 19.9 -11.5 | 241 18 15.6 8.6 15 366 8230 295 22 19.9 -9.3 | 235 19 15.6 10.8 16 351 8534 295 16 14.5 -6.8 | 217 17 10.2 13.4 17 336 8839 275 21 20.9 -1.8 | 222 25 16.6 18.3 18 300 9680 270 22 22.0 -0.0 | 221 27 17.7 20.1 19 297 9754 270 22 22.0 -0.0 | 221 27 17.7 20.1 20 284 10058 290 21 19.7 -7.2 | 230 20 15.4 13.0 21 260 10668 270 17 17.0 -0.0 | 212 24 12.7 20.1 22 250 10950 245 21 19.0 8.9 | 207 33 14.7 29.0 23 238 11278 245 22 19.9 9.3 | 208 33 15.6 29.4 24 200 12420 230 34 26.0 21.9 | 207 47 21.8 42.0 25 162 13716 225 36 25.5 25.5 | 205 50 21.2 45.6 26 150 14200 230 44 33.7 28.3 | 211 57 29.4 48.4 27 139 14630 235 48 39.3 27.5 | 216 59 35.0 47.7 28 126 15240 230 53 40.6 34.1 | 214 65 36.3 54.2 29 119 15545 210 40 20.0 34.6 | 196 57 15.7 54.8 30 113 15850 215 18 10.3 14.7 | 190 35 6.0 34.9 31 107 16154 285 10 9.7 -2.6 | 197 18 5.4 17.6 32 107 16170 270 19 19.0 -0.0 | 216 25 14.7 20.1 33 102 16459 290 16 15.0 -5.5 | 216 18 10.7 14.7 34 100 16560 225 12 8.5 8.5 | 188 29 4.2 28.6 35 97 16764 245 25 22.7 10.6 | 211 36 18.4 30.7 36 87 17374 225 11 7.8 7.8 | 187 28 3.5 27.9 37 82 17678 165 12 -3.1 11.6 | 167 33 -7.4 31.7 38 78 17983 125 11 -9.0 6.3 | 153 30 -13.3 26.5 39 74 18288 130 19 -14.6 12.2 | 150 37 -18.8 32.4 40 70 18593 115 18 -16.3 7.6 | 143 35 -20.6 27.8 41 70 18610 65 14 -12.7 -5.9 | 130 22 -17.0 14.2 42 67 18898 65 14 -12.7 -5.9 | 130 22 -17.0 14.2 43 63 19202 125 15 -12.3 8.6 | 150 33 -16.6 28.7 44 60 19507 105 13 -12.6 3.4 | 144 29 -16.8 23.5 45 57 19812 130 22 -16.9 14.1 | 148 40 -21.1 34.3 46 51 20422 90 24 -24.0 0.0 | 125 35 -28.3 20.1 47 50 20560 85 28 -27.9 -2.4 | 119 37 -32.2 17.7 48 49 20726 115 20 -18.1 8.5 | 142 36 -22.4 28.6 49 46 21031 80 30 -29.5 -5.2 | 114 37 -33.8 14.9 50 44 21336 65 28 -25.4 -11.8 | 106 31 -29.7 8.3 51 42 21641 75 22 -21.3 -5.7 | 120 29 -25.5 14.5 52 40 21946 80 21 -20.7 -3.6 | 123 30 -25.0 16.5 53 38 22250 60 23 -19.9 -11.5 | 110 26 -24.2 8.6 54 36 22555 85 13 -13.0 -1.1 | 138 26 -17.2 19.0 55 35 22860 95 22 -21.9 1.9 | 130 34 -26.2 22.1 56 31 23470 60 25 -21.7 -12.5 | 106 27 -25.9 7.6 57 30 23740 85 25 -24.9 -2.2 | 122 34 -29.2 18.0 58 25 24384 100 28 -27.6 4.9 | 128 41 -31.9 25.0 59 24 24689 80 28 -27.6 -4.9 | 116 35 -31.9 15.3 60 20 25298 115 23 -20.8 9.7 | 140 39 -25.1 29.9 61 17 25908 105 32 -30.9 8.3 | 129 45 -35.2 28.4 62 15 26518 100 29 -28.6 5.0 | 127 41 -32.8 25.2 Wind Parameters Mean winds (0-6000m): 318.0 at 27.5 knts Storm direction: 348.0 at 20.6 knts Shear (0-3000m) pos: 1.3 neg: 5.0 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 152.4 deg Storm rel helicity (0-3000m) pos: 20.6 neg: -37.6 tot: -17.0 m^2/s^2 ave: -5.7 10^-3 m/s^2 rel: -0.22 Storm rel vorticity (0-3000m) horiz: 8.5 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.52 Bulk Shear: 44.94 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 ------------------------------------------------------------------------------- 500 359 17 126 5| 0.0 15.9 15.9| 0.2 -5.7 -5.5 -11.0 -0.31| 16.8 -5.3 1000 346 22 326 2| 0.0 12.7 12.7| 0.2 -13.3 -13.1 -13.1 -0.30| 14.8 -4.4 1500 338 24 293 5| 0.0 10.1 10.1| 0.2 -37.6 -37.3 -24.9 -0.39| 14.4 -5.5 2000 330 25 282 8| 0.5 7.6 8.1| 3.6 -37.6 -33.9 -17.0 -0.35| 11.3 -4.0 2500 327 26 278 10| 0.9 6.0 6.9| 10.9 -37.6 -26.6 -10.6 -0.29| 9.6 -2.8 3000 326 26 279 11| 1.3 5.0 6.3| 20.6 -37.6 -17.0 -5.7 -0.22| 8.5 -1.9 4000 324 28 281 12| 1.0 4.7 5.6| 24.9 -54.2 -29.4 -7.3 -0.23| 7.5 -1.7 5000 321 28 278 13| 0.8 3.4 4.2| 24.9-101.7 -76.8 -15.4 -0.33| 7.0 -2.3 6000 318 27 271 14| 0.6 2.8 3.4| 24.9-112.9 -88.0 -14.7 -0.36| 6.0 -2.1 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251209.12.gif