UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for SBUL... Searching the city database file for: SBUL ... Date:1200Z 6 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 111 1 925 798 SFC 910 943 21.8 19.9 89 1.9 20.5 90 12 303.0 306.0 296.9 351.3 16.28 3 886 1174 19.0 18.5 97 0.5 18.7 61 13 302.4 305.3 296.1 347.7 15.30 4 850 1529 17.0 16.3 96 0.7 16.5 40 11 304.0 306.5 295.6 345.1 13.85 5 779 2270 12.6 12.6 100 0.0 12.6 44 14 306.9 309.1 295.0 342.6 11.86 6 768 2389 12.0 10.8 92 1.2 11.2 52 15 307.5 309.5 294.3 339.7 10.66 7 762 2456 13.4 9.8 79 3.6 11.1 55 15 309.7 311.6 294.4 340.4 10.04 8 700 3168 10.0 5.8 75 4.2 7.5 75 13 313.6 315.1 294.1 339.4 8.29 9 692 3264 9.8 3.8 66 6.0 6.3 75 13 314.4 315.8 293.6 337.2 7.28 10 634 3985 3.8 2.1 89 1.7 2.8 169 6 315.5 316.9 293.7 337.7 7.04 11 576 4761 0.4 -2.4 81 2.8 -1.0 205 4 320.3 321.4 293.9 338.3 5.58 12 563 4945 1.0 -5.0 64 6.0 -2.0 201 5 323.1 324.0 294.0 338.5 4.69 13 513 5687 -4.1 -12.1 54 8.0 -7.4 184 7 325.6 326.2 293.2 335.6 2.95 14 509 5749 -4.3 -9.3 68 5.0 -6.5 183 8 326.1 326.9 294.0 338.6 3.72 15 503 5843 -5.1 -12.1 58 7.0 -8.0 181 8 326.3 326.9 293.4 336.4 3.01 16 500 5890 -5.3 -17.3 38 12.0 -9.6 180 8 326.6 327.0 292.6 333.4 1.97 17 499 5906 -5.3 -21.3 27 16.0 -10.5 181 8 326.8 327.0 292.2 331.7 1.40 18 461 6524 -8.9 -29.9 16 21.0 -14.3 218 4 329.8 329.9 292.3 332.3 0.69 19 454 6643 -8.9 -51.9 2 43.0 -15.4 225 4 331.2 331.2 292.1 331.5 0.07 20 415 7332 -14.3 -41.3 8 27.0 -19.0 271 1 332.9 332.9 292.7 333.8 0.25 21 401 7591 -16.7 -20.9 70 4.2 -18.0 293 9 333.0 333.4 294.2 339.4 1.80 22 400 7610 -16.7 -20.6 72 3.9 -17.9 295 10 333.3 333.7 294.3 339.9 1.86 23 386 7876 -18.9 -20.7 86 1.8 -19.4 283 11 333.8 334.2 294.4 340.6 1.91 24 384 7915 -19.3 -21.9 80 2.6 -20.1 281 11 333.8 334.1 294.3 339.9 1.73 25 381 7973 -19.3 -28.3 45 9.0 -21.4 273 11 334.5 334.7 293.9 338.1 0.97 26 378 8032 -18.3 -55.3 2 37.0 -22.5 262 11 336.6 336.6 293.5 336.8 0.06 27 300 9710 -31.7 -48.7 17 17.0 -33.3 205 12 340.7 340.7 294.6 341.3 0.15 28 295 9829 -32.5 -54.5 9 22.0 -34.2 205 12 341.2 341.2 294.7 341.5 0.08 29 278 10243 -36.5 -46.5 35 10.0 -37.4 206 18 341.3 341.3 294.8 342.1 0.21 30 250 10970 -42.3 -52.3 33 10.0 -42.9 210 31 343.2 343.2 295.2 343.7 0.12 31 230 11529 -47.3 -57.3 31 10.0 -47.7 214 28 343.8 343.9 295.3 344.2 0.07 32 216 11942 -50.7 -60.7 30 10.0 -51.0 232 31 344.8 344.8 295.5 345.0 0.05 33 210 12125 -52.1 -68.1 13 16.0 -52.4 241 33 345.4 345.4 295.6 345.5 0.02 34 204 12313 -53.5 -59.5 48 6.0 -53.7 240 36 346.1 346.1 295.8 346.3 0.06 35 200 12440 -54.1 -63.1 32 9.0 -54.3 235 38 347.1 347.1 296.0 347.3 0.04 36 196 12569 -55.1 -61.1 47 6.0 -55.2 234 39 347.5 347.5 296.1 347.7 0.05 37 194 12635 -54.9 -89.9 1 35.0 -55.2 234 40 348.9 348.9 296.4 348.9 0.00 38 169 13502 -61.7 -72.7 22 11.0 -61.8 229 49 351.6 351.6 297.0 351.6 0.01 39 159 13877 -64.9 -68.4 62 3.5 -65.0 227 53 352.4 352.4 297.1 352.5 0.02 40 150 14230 -67.5 -73.5 42 6.0 -67.5 225 57 353.8 353.8 297.4 353.9 0.01 41 146 14392 -68.5 -76.5 31 8.0 -68.5 224 57 354.8 354.8 297.7 354.9 0.01 42 139 14685 -71.1 -77.1 41 6.0 -71.1 221 56 355.3 355.3 297.8 355.3 0.01 43 122 15450 -74.5 -82.5 28 8.0 -74.5 199 42 362.6 362.6 299.2 362.6 0.00 44 116 15743 -74.5 -84.5 20 10.0 -74.5 175 25 367.8 367.8 300.2 367.8 0.00 45 101 16543 -77.3 -87.3 19 10.0 -77.3 167 21 377.3 377.3 301.8 377.3 0.00 46 100 16600 -77.5 -87.5 19 10.0 -77.5 155 19 378.0 378.0 301.9 378.0 0.00 47 90 17197 -81.1 -88.1 30 7.0 -81.1 155 23 382.4 382.4 302.6 382.4 0.00 48 77 18087 -74.5 -87.5 12 13.0 -74.6 92 25 413.6 413.6 306.9 413.6 0.00 49 70 18640 -74.7 -88.7 10 14.0 -74.7 95 14 424.6 424.6 308.2 424.6 0.00 50 68 18808 -73.7 -88.7 8 15.0 -73.7 95 15 430.3 430.3 308.9 430.3 0.00 51 56 19945 -71.9 -89.9 5 18.0 -72.0 98 28 458.9 458.9 311.7 458.9 0.00 52 50 20620 -66.7 -89.7 3 23.0 -67.0 80 22 486.3 486.3 314.0 486.3 0.00 53 48 20867 -66.1 -90.1 2 24.0 -66.4 80 22 493.4 493.4 314.5 493.5 0.00 54 39 22125 -66.3 -90.3 2 24.0 -66.6 66 26 523.1 523.1 316.5 523.1 0.00 55 30 23740 -59.3 -87.3 1 28.0 -60.3 100 37 583.0 583.0 319.8 583.0 0.01 56 28 24174 -58.5 -87.5 1 29.0 -59.6 96 37 596.8 596.8 320.5 596.9 0.01 57 26 24639 -60.1 -88.1 1 28.0 -61.2 93 37 605.1 605.1 320.9 605.1 0.01 58 23 25417 -53.7 -84.7 1 31.0 -55.9 86 37 645.5 645.5 322.5 645.6 0.01 59 20 26320 -52.1 -84.1 1 32.0 -55.0 90 40 676.7 676.7 323.7 676.8 0.02 60 18 27004 -51.1 -83.1 1 32.0 -54.5 88 41 700.6 700.6 324.4 700.7 0.02 TRP 90 17197 -81.1 -88.1 30 7.0 -81.1 155 23 382.4 382.4 302.6 382.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 553.20 mb = 5090.53 m = 16701.02 ft Wetbulb zero: 591.52 mb = 4545.91 m = 14914.23 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 80.13 % Est. max temperature: 28.44 C = 83.19 F Sfc-Lift cond lev (LCL): 885.28 mb = 1180.80 m = 3873.96 ft T: 18.96 C 700-500 lapse rate: 5.62 C/km ThetaE index: 11.54 C Layer 886.0- 762.0 mb Conv cond level (CCL): 845.84 mb = 1570.66 m = 5153.03 ft Mean mixing ratio: 14.32 g/kg Conv temperature: 22.88 C = 73.18 F Cap Strength: 0.70 C Lifted Index: -0.98 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.31 C Lifted Index @700 mb: 0.43 C Showalter Index: -0.57 C Risk: Thunderstorms probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 21.60 C K Index: 34.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 225.60 Risk: None Energy Index: -2.30 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 391.09 J/kg Max Up Vert Vel: 27.97 m/s Conv Inhibition (B-): 0.33 J/kg Cap Strength: 0.63 C Lift Cond Lev (LCL): 850.69 mb = 1522.10 m = 4993.69 ft Lev Free Conv (LFC): 835.69 mb = 1673.23 m = 5489.52 ft Equ Level (EL): 755.69 mb = 2525.37 m = 8285.23 ft B at Equ Level: 26.69 J/kg Max Parcel Lev (MPL): 135.69 mb = 14826.36 m = 48642.32 ft Wind level data Storm motion: 109 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 ---------------------------------------------------------- 0 910 943 90 12 -12.0 0.0 | 70 6 -5.8 -2.1 1 881 1219 55 13 -10.6 -7.5 | 25 11 -4.4 -9.6 2 850 1529 40 11 -7.1 -8.4 | 4 11 -0.8 -10.5 3 820 1829 30 12 -6.0 -10.4 | 359 13 0.2 -12.5 4 791 2134 35 14 -8.0 -11.5 | 7 14 -1.8 -13.6 5 763 2438 55 15 -12.3 -8.6 | 29 12 -6.0 -10.7 6 736 2743 65 15 -13.6 -6.3 | 41 11 -7.4 -8.5 7 710 3048 55 14 -11.5 -8.0 | 27 11 -5.2 -10.1 8 700 3168 75 13 -12.6 -3.4 | 49 8 -6.3 -5.5 9 684 3353 75 13 -12.6 -3.4 | 49 8 -6.3 -5.5 10 611 4267 215 3 1.7 2.5 | 268 8 8.0 0.3 11 500 5890 180 8 0.0 8.0 | 227 9 6.2 5.9 12 487 6096 190 6 1.0 5.9 | 243 8 7.3 3.8 13 416 7315 270 1 1.0 -0.0 | 286 8 7.2 -2.1 14 400 7610 295 10 9.1 -4.2 | 293 17 15.3 -6.3 15 383 7925 280 11 10.8 -1.9 | 283 18 17.1 -4.0 16 367 8230 225 10 7.1 7.1 | 250 14 13.3 5.0 17 352 8534 200 19 6.5 17.9 | 219 20 12.7 15.7 18 311 9449 225 17 12.0 12.0 | 242 21 18.3 9.9 19 300 9710 205 12 5.1 10.9 | 232 14 11.3 8.8 20 285 10058 205 12 5.1 10.9 | 232 14 11.3 8.8 21 261 10668 210 31 15.5 26.8 | 221 33 21.7 24.7 22 250 10970 210 31 15.5 26.8 | 221 33 21.7 24.7 23 239 11278 210 31 15.5 26.8 | 221 33 21.7 24.7 24 228 11582 215 27 15.5 22.1 | 227 30 21.7 20.0 25 208 12192 245 34 30.8 14.4 | 252 39 37.1 12.2 26 200 12440 235 38 31.1 21.8 | 242 42 37.4 19.7 27 150 14230 225 57 40.3 40.3 | 231 60 46.5 38.2 28 148 14326 225 57 40.3 40.3 | 231 60 46.5 38.2 29 126 15240 215 54 31.0 44.2 | 221 56 37.2 42.1 30 114 15850 165 18 -4.7 17.4 | 186 15 1.6 15.3 31 108 16154 190 10 1.7 9.8 | 226 11 8.0 7.7 32 102 16459 185 25 2.2 24.9 | 200 24 8.4 22.8 33 100 16600 155 19 -8.0 17.2 | 173 15 -1.8 15.1 34 97 16764 160 19 -6.5 17.9 | 179 16 -0.3 15.7 35 90 17197 155 23 -9.7 20.8 | 169 19 -3.5 18.7 36 87 17374 160 21 -7.2 19.7 | 177 18 -0.9 17.6 37 83 17678 110 28 -26.3 9.6 | 110 21 -20.1 7.5 38 78 17983 110 25 -23.5 8.6 | 110 18 -17.2 6.4 39 74 18288 60 25 -21.7 -12.5 | 47 21 -15.4 -14.6 40 71 18593 60 21 -18.2 -10.5 | 43 17 -11.9 -12.6 41 70 18640 95 14 -13.9 1.2 | 83 8 -7.7 -0.9 42 67 18898 95 16 -15.9 1.4 | 86 10 -9.7 -0.7 43 64 19202 105 17 -16.4 4.4 | 103 10 -10.2 2.3 44 60 19507 70 23 -21.6 -7.9 | 57 18 -15.4 -10.0 45 57 19812 105 30 -29.0 7.8 | 104 23 -22.7 5.6 46 54 20117 90 25 -25.0 0.0 | 84 19 -18.8 -2.1 47 52 20422 95 15 -14.9 1.3 | 85 9 -8.7 -0.8 48 50 20620 80 22 -21.7 -3.8 | 69 17 -15.4 -5.9 49 47 21031 80 22 -21.7 -3.8 | 69 17 -15.4 -5.9 50 42 21641 90 21 -21.0 0.0 | 82 15 -14.8 -2.1 51 38 22250 60 27 -23.4 -13.5 | 48 23 -17.1 -15.6 52 35 22860 70 24 -22.6 -8.2 | 58 19 -16.3 -10.3 53 33 23165 90 26 -26.0 0.0 | 84 20 -19.8 -2.1 54 31 23470 110 29 -27.3 9.9 | 110 22 -21.0 7.8 55 30 23740 100 37 -36.4 6.4 | 98 31 -30.2 4.3 56 22 25603 85 37 -36.9 -3.2 | 80 31 -30.6 -5.3 57 20 26213 100 41 -40.4 7.1 | 98 34 -34.1 5.0 58 20 26320 90 40 -40.0 0.0 | 86 34 -33.8 -2.1 59 16 27127 85 43 -42.8 -3.7 | 81 37 -36.6 -5.9 60 15 27432 75 39 -37.7 -10.1 | 69 34 -31.4 -12.2 Wind Parameters Mean winds (0-6000m): 78.8 at 8.8 knts Storm direction: 108.8 at 6.6 knts Shear (0-3000m) pos: 3.1 neg: 2.1 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 157.7 deg Storm rel helicity (0-3000m) pos: 58.9 neg: -35.0 tot: 23.9 m^2/s^2 ave: 8.0 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 2.4 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 131.94 Bulk Shear: 2.96 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 62 12 31 9| 0.0 9.4 9.4| 0.0 -21.0 -21.0 -42.0 -0.87| 10.7 -9.3 1000 49 12 15 10| 0.0 6.2 6.2| 2.2 -27.0 -24.8 -24.8 -0.73| 7.4 -5.4 1500 46 13 15 11| 2.1 4.1 6.2| 23.7 -27.0 -3.3 -2.2 -0.20| 7.2 -1.4 2000 50 13 20 11| 1.7 3.1 4.7| 30.9 -32.3 -1.4 -0.7 -0.15| 6.5 -0.9 2500 54 13 24 11| 2.4 2.5 4.9| 44.8 -35.0 9.8 3.9 0.04| 7.0 0.3 3000 59 13 28 10| 3.1 2.1 5.1| 58.9 -35.0 23.9 8.0 0.29| 8.2 2.4 4000 60 11 21 8| 2.1 1.3 3.4| 68.2 -39.4 28.8 7.2 0.31| 7.1 2.2 5000 71 10 29 6| 1.7 0.8 2.4| 69.2 -47.4 21.8 4.4 0.23| 6.1 1.4 6000 79 9 32 5| 1.1 0.6 1.7| 85.2 -47.4 37.8 6.3 0.31| 5.7 1.8 Wrote GIF file: /home/apache/climate/data/raob//SBUL/skewt/SBUL.skewt.20251206.12.gif