UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for SBCG... Searching the city database file for: SBCG ... Date:1200Z 11 DEC 25 Station: SBCG WMO ident: 83612 Latitude: -20.47 Longitude: -54.67 Elevation: 556.00 ------------------------------------------------------------------------------- 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 81 SFC 947 556 25.8 22.1 80 3.7 23.1 300 7 303.6 307.0 298.1 357.1 17.96 2 925 766 23.0 21.4 91 1.6 21.9 295 10 302.8 306.1 297.7 355.0 17.61 3 905 957 21.0 20.9 99 0.1 20.9 307 10 302.7 305.9 297.5 354.3 17.45 4 850 1502 18.6 16.4 87 2.2 17.1 295 12 305.6 308.2 296.0 347.4 13.94 5 773 2311 13.6 9.3 75 4.3 10.9 292 10 308.7 310.5 293.7 337.8 9.56 6 761 2444 14.2 -3.8 29 18.0 5.2 290 11 310.7 311.4 289.6 322.7 3.79 7 743 2646 13.0 -2.0 35 15.0 5.2 293 12 311.5 312.4 290.4 325.5 4.44 8 733 2760 11.8 7.4 74 4.4 9.1 294 13 311.4 313.1 294.0 338.7 8.85 9 702 3121 9.8 7.8 87 2.0 8.6 267 16 313.1 314.9 294.9 342.5 9.51 10 700 3145 9.8 7.6 86 2.2 8.5 265 16 313.3 315.1 294.9 342.5 9.40 11 636 3932 4.0 3.0 93 1.0 3.4 288 18 315.4 316.9 294.1 339.0 7.49 12 616 4191 2.6 -0.5 80 3.1 1.0 286 20 316.7 317.9 293.3 335.8 6.00 13 606 4324 3.6 -7.4 44 11.0 -1.6 283 21 319.4 320.1 292.0 331.2 3.62 14 572 4791 1.4 -17.6 23 19.0 -5.6 283 25 322.1 322.4 291.1 327.8 1.68 15 505 5782 -4.9 -23.9 21 19.0 -10.7 265 16 326.1 326.4 291.7 330.0 1.10 16 501 5844 -5.1 -14.1 49 9.0 -8.7 254 14 326.6 327.1 293.2 335.4 2.56 17 500 5860 -4.9 -22.9 23 18.0 -10.6 250 14 327.1 327.3 292.1 331.3 1.21 18 499 5876 -4.7 -32.7 9 28.0 -11.7 249 14 327.5 327.6 291.5 329.3 0.49 19 490 6020 -4.3 -36.3 6 32.0 -11.8 240 17 329.7 329.8 292.0 331.0 0.35 20 400 7590 -15.3 -47.3 5 32.0 -20.1 240 33 335.1 335.1 293.2 335.6 0.13 21 381 7955 -17.9 -50.9 4 33.0 -22.2 245 37 336.4 336.4 293.5 336.8 0.09 22 300 9690 -32.5 -55.5 8 23.0 -34.2 265 33 339.6 339.6 294.3 339.9 0.07 23 253 10860 -42.9 -49.9 46 7.0 -43.3 242 41 341.1 341.2 294.7 341.8 0.16 24 250 10940 -43.3 -49.3 52 6.0 -43.7 240 41 341.7 341.7 294.9 342.4 0.17 25 236 11324 -46.5 -51.1 59 4.6 -46.7 237 42 342.5 342.6 295.1 343.1 0.15 26 226 11609 -48.1 -64.1 14 16.0 -48.6 239 44 344.4 344.4 295.4 344.5 0.03 27 216 11905 -50.7 -60.7 30 10.0 -51.0 241 45 344.8 344.8 295.5 345.0 0.05 28 200 12400 -54.5 -66.5 21 12.0 -54.7 245 47 346.5 346.5 295.8 346.6 0.02 29 158 13875 -65.1 -75.1 24 10.0 -65.2 254 51 352.7 352.7 297.2 352.7 0.01 30 150 14190 -67.7 -75.7 31 8.0 -67.8 250 55 353.5 353.5 297.4 353.5 0.01 31 137 14730 -72.5 -77.0 51 4.5 -72.5 242 56 354.3 354.3 297.5 354.3 0.01 32 132 14947 -73.9 -77.3 59 3.4 -73.9 239 57 355.6 355.6 297.8 355.6 0.01 33 127 15172 -75.1 -80.1 45 5.0 -75.1 236 57 357.3 357.3 298.2 357.4 0.01 34 120 15501 -75.3 -84.3 23 9.0 -75.3 231 58 362.8 362.8 299.2 362.8 0.00 35 100 16560 -74.7 -86.7 14 12.0 -74.7 215 53 383.4 383.4 302.8 383.4 0.00 36 92 17047 -71.9 -86.9 9 15.0 -72.0 212 48 398.2 398.2 305.0 398.2 0.00 37 71 18540 -80.1 -90.1 17 10.0 -80.1 145 12 411.3 411.3 306.7 411.4 0.00 38 70 18620 -78.9 -88.9 18 10.0 -78.9 150 11 415.6 415.6 307.2 415.6 0.00 39 61 19408 -76.5 -89.5 11 13.0 -76.6 125 19 437.6 437.6 309.6 437.6 0.00 40 57 19803 -71.5 -89.5 5 18.0 -71.6 85 23 457.5 457.5 311.5 457.5 0.00 41 50 20580 -69.9 -89.9 4 20.0 -70.1 90 12 478.8 478.8 313.4 478.8 0.00 42 34 22930 -60.9 -88.9 1 28.0 -61.6 73 22 558.3 558.3 318.5 558.3 0.00 43 30 23710 -60.1 -89.1 1 29.0 -61.0 90 28 580.8 580.8 319.7 580.8 0.00 44 29 23921 -60.7 -89.7 1 29.0 -61.6 90 28 584.8 584.8 319.9 584.8 0.00 45 27 24372 -55.3 -87.3 1 32.0 -57.0 93 27 612.1 612.1 321.2 612.1 0.01 46 22 25686 -52.9 -85.9 1 33.0 -55.4 80 27 656.1 656.1 322.9 656.2 0.01 TRP 71 18540 -80.1 -90.1 17 10.0 -80.1 145 12 411.3 411.3 306.7 411.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 557.11 mb = 5010.82 m = 16439.50 ft Wetbulb zero: 612.20 mb = 4241.45 m = 13915.34 ft Precipitable water: 1.57 inches Sfc-500 mean rel hum: 64.33 % Est. max temperature: 29.79 C = 85.62 F Sfc-Lift cond lev (LCL): 897.55 mb = 1029.15 m = 3376.43 ft T: 20.68 C 700-500 lapse rate: 5.41 C/km ThetaE index: 34.39 C Layer 925.0- 743.0 mb Conv cond level (CCL): 864.18 mb = 1358.29 m = 4456.28 ft Mean mixing ratio: 16.43 g/kg Conv temperature: 26.99 C = 80.58 F Cap Strength: 0.33 C Lifted Index: -2.87 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.51 C Lifted Index @700 mb: -1.50 C Showalter Index: -0.99 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 21.30 C K Index: 37.70 Risk: > 80 % chance of thunderstorms Sweat Index: 234.80 Risk: None Energy Index: -3.11 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1549.04 J/kg Max Up Vert Vel: 55.66 m/s Conv Inhibition (B-): 3.10 J/kg Cap Strength: 0.33 C Lift Cond Lev (LCL): 878.39 mb = 1216.64 m = 3991.56 ft Lev Free Conv (LFC): 833.39 mb = 1670.24 m = 5479.72 ft Equ Level (EL): 153.39 mb = 14054.61 m = 46110.37 ft B at Equ Level: 1542.46 J/kg Max Parcel Lev (MPL): 83.39 mb = 17613.13 m = 57785.17 ft Wind level data Storm motion: 306 at 12 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 ---------------------------------------------------------- 0 947 556 300 7 6.1 -3.5 | 133 5 -4.0 3.7 1 941 610 295 7 6.3 -3.0 | 139 6 -3.7 4.2 2 925 766 295 10 9.1 -4.2 | 162 3 -1.0 3.0 3 909 914 310 9 6.9 -5.8 | 114 3 -3.2 1.4 4 878 1219 285 14 13.5 -3.6 | 224 5 3.5 3.6 5 850 1502 295 12 10.9 -5.1 | 201 2 0.8 2.1 6 848 1524 295 13 11.8 -5.5 | 226 2 1.7 1.7 7 789 2134 295 9 8.2 -3.8 | 151 4 -1.9 3.4 8 761 2438 290 11 10.3 -3.8 | 185 3 0.3 3.4 9 734 2743 295 13 11.8 -5.5 | 226 2 1.7 1.7 10 700 3145 265 16 15.9 1.4 | 214 10 5.9 8.6 11 682 3353 260 17 16.7 3.0 | 213 12 6.7 10.1 12 633 3962 290 18 16.9 -6.2 | 261 7 6.9 1.0 13 609 4267 285 21 20.3 -5.4 | 260 10 10.2 1.8 14 587 4572 270 23 23.0 -0.0 | 241 15 12.9 7.2 15 565 4877 290 26 24.4 -8.9 | 277 14 14.4 -1.7 16 524 5486 265 21 20.9 1.8 | 230 14 10.9 9.0 17 504 5791 265 16 15.9 1.4 | 214 10 5.9 8.6 18 500 5860 250 14 13.2 4.8 | 195 12 3.1 12.0 19 485 6096 235 18 14.7 10.3 | 195 18 4.7 17.5 20 400 7590 240 33 28.6 16.5 | 218 30 18.5 23.7 21 382 7925 245 37 33.5 15.6 | 226 33 23.5 22.8 22 366 8230 240 36 31.2 18.0 | 220 33 21.1 25.2 23 337 8839 235 39 31.9 22.4 | 217 37 21.9 29.6 24 300 9690 265 33 32.9 2.9 | 246 25 22.8 10.1 25 297 9754 265 34 33.9 3.0 | 247 26 23.8 10.2 26 250 10940 240 41 35.5 20.5 | 223 38 25.5 27.7 27 249 10973 235 41 33.6 23.5 | 217 39 23.5 30.7 28 200 12400 245 47 42.6 19.9 | 230 42 32.5 27.1 29 154 14021 255 51 49.3 13.2 | 243 44 39.2 20.4 30 150 14190 250 55 51.7 18.8 | 238 49 41.6 26.0 31 119 15545 230 58 44.4 37.3 | 218 56 34.4 44.5 32 100 16560 215 53 30.4 43.4 | 202 55 20.3 50.6 33 97 16764 215 53 30.4 43.4 | 202 55 20.3 50.6 34 82 17678 205 35 14.8 31.7 | 187 39 4.7 38.9 35 74 18288 220 19 12.2 14.6 | 186 22 2.2 21.7 36 71 18540 145 12 -6.9 9.8 | 135 24 -16.9 17.0 37 70 18593 200 13 4.4 12.2 | 164 20 -5.6 19.4 38 70 18620 150 11 -5.5 9.5 | 137 23 -15.6 16.7 39 67 18898 155 12 -5.1 10.9 | 140 24 -15.1 18.1 40 60 19507 120 20 -17.3 10.0 | 122 32 -27.4 17.2 41 57 19812 85 23 -22.9 -2.0 | 99 33 -33.0 5.2 42 54 20117 70 21 -19.7 -7.2 | 90 30 -29.8 0.0 43 51 20422 60 18 -15.6 -9.0 | 86 26 -25.6 -1.8 44 50 20580 90 12 -12.0 0.0 | 108 23 -22.1 7.2 45 49 20726 65 10 -9.1 -4.2 | 99 19 -19.1 3.0 46 44 21336 115 14 -12.7 5.9 | 120 26 -22.7 13.1 47 42 21641 105 12 -11.6 3.1 | 115 24 -21.6 10.3 48 40 21946 70 12 -11.3 -4.1 | 98 22 -21.3 3.1 49 38 22250 85 12 -12.0 -1.0 | 106 23 -22.0 6.1 50 36 22555 95 16 -15.9 1.4 | 108 27 -26.0 8.6 51 34 22860 70 22 -20.7 -7.5 | 89 31 -30.7 -0.3 52 31 23470 90 23 -23.0 0.0 | 102 34 -33.1 7.2 53 30 23710 90 28 -28.0 0.0 | 101 39 -38.1 7.2 54 27 24079 90 28 -28.0 0.0 | 101 39 -38.1 7.2 55 26 24384 105 24 -23.2 6.2 | 112 36 -33.2 13.4 56 22 24994 80 27 -26.6 -4.7 | 94 37 -36.6 2.5 57 19 25603 90 22 -22.0 0.0 | 103 33 -32.1 7.2 58 16 26213 65 15 -13.6 -6.3 | 92 24 -23.6 0.9 Wind Parameters Mean winds (0-6000m): 275.6 at 16.5 knts Storm direction: 305.6 at 12.4 knts Shear (0-3000m) pos: 0.0 neg: 2.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 92.6 deg Storm rel helicity (0-3000m) pos: 15.3 neg: -7.9 tot: 7.4 m^2/s^2 ave: 2.5 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 1.0 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 143.92 Bulk Shear: 10.76 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 ------------------------------------------------------------------------------- 500 300 9 140 3| 0.0 4.5 4.5| 3.4 -1.5 1.9 3.8 0.30| 7.7 2.3 1000 294 11 180 3| 0.0 3.0 3.0| 5.3 -2.3 2.9 2.9 0.30| 7.1 2.1 1500 294 11 180 3| 0.0 0.9 0.9| 5.3 -4.3 1.0 0.6 0.07| 5.9 0.4 2000 294 11 177 3| 0.0 1.3 1.3| 7.6 -4.5 3.2 1.6 0.18| 5.2 1.0 2500 292 11 190 3| 0.0 2.0 2.0| 8.6 -5.9 2.7 1.1 0.15| 5.7 0.9 3000 286 12 205 4| 0.0 2.0 2.0| 15.3 -7.9 7.4 2.5 0.17| 5.9 1.0 4000 284 14 225 5| 0.8 2.4 3.2| 27.0 -21.3 5.6 1.4 0.14| 6.4 0.9 5000 282 16 237 7| 1.1 2.1 3.2| 57.9 -63.2 -5.3 -1.1 0.05| 7.2 0.4 6000 276 16 229 8| 1.0 2.5 3.5| 73.8 -83.3 -9.5 -1.6 0.00| 7.5 0.0 Wrote GIF file: /home/apache/climate/data/raob//SBCG/skewt/SBCG.skewt.20251211.12.gif