UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for SBCG... Searching the city database file for: SBCG ... Date:1200Z 8 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 83 SFC 947 556 24.4 21.1 82 3.3 22.1 150 7 302.2 305.3 297.1 352.0 16.86 2 925 765 21.6 20.3 92 1.3 20.7 360 19 301.4 304.4 296.6 349.8 16.42 3 889 1110 19.0 18.9 99 0.1 18.9 350 26 302.1 305.0 296.3 348.4 15.65 4 877 1228 19.4 18.1 92 1.3 18.5 350 27 303.7 306.5 296.3 348.5 15.07 5 850 1498 18.0 16.3 90 1.7 16.8 360 22 305.0 307.6 295.8 346.4 13.85 6 783 2199 14.6 11.9 84 2.7 12.9 17 21 308.6 310.7 295.0 342.8 11.25 7 766 2384 12.8 12.8 100 0.0 12.8 23 19 308.6 310.9 295.7 345.6 12.22 8 734 2743 11.0 10.6 97 0.4 10.7 10 14 310.4 312.5 295.3 344.1 11.01 9 716 2951 11.2 6.8 74 4.4 8.5 360 10 312.9 314.5 294.3 339.8 8.69 10 715 2963 11.2 6.8 74 4.4 8.5 359 10 313.0 314.6 294.3 340.0 8.71 11 700 3140 9.8 7.3 84 2.5 8.3 350 7 313.3 315.1 294.8 341.9 9.21 12 622 4113 3.6 3.6 100 0.0 3.6 348 15 317.0 318.5 294.8 342.3 8.00 13 570 4818 -0.5 -0.5 100 0.0 -0.5 290 14 320.2 321.5 294.6 341.0 6.49 14 505 5782 -4.5 -5.8 91 1.3 -5.1 284 2 326.6 327.6 295.0 343.0 4.92 15 500 5860 -5.1 -6.3 91 1.2 -5.7 290 2 326.8 327.8 295.0 342.7 4.78 16 456 6578 -10.3 -11.0 95 0.7 -10.6 284 7 329.0 329.8 294.6 341.3 3.62 17 433 6976 -12.3 -14.2 86 1.9 -13.0 271 10 331.4 332.0 294.7 341.6 2.94 18 422 7173 -12.7 -22.7 43 10.0 -15.7 265 12 333.3 333.6 294.0 338.6 1.46 19 400 7580 -15.3 -24.3 46 9.0 -17.9 250 8 335.1 335.4 294.3 339.9 1.34 20 393 7713 -16.1 -20.9 66 4.8 -17.6 248 8 335.8 336.1 294.9 342.3 1.84 21 375 8064 -17.9 -24.9 54 7.0 -19.8 243 8 337.9 338.2 295.0 342.8 1.35 22 344 8703 -22.3 -29.3 53 7.0 -23.9 244 9 340.4 340.6 295.3 344.1 0.98 23 314 9365 -28.5 -31.4 76 2.9 -29.0 217 23 340.7 340.9 295.3 344.1 0.88 24 300 9690 -31.1 -38.1 50 7.0 -32.1 205 32 341.5 341.6 295.1 343.4 0.48 25 287 10001 -33.5 -35.1 85 1.6 -33.7 205 29 342.5 342.6 295.5 345.1 0.67 26 268 10476 -37.3 -42.3 60 5.0 -37.8 205 22 343.7 343.8 295.6 345.1 0.34 27 253 10869 -40.9 -44.1 71 3.2 -41.2 209 23 344.1 344.1 295.6 345.3 0.30 28 250 10950 -41.3 -45.3 65 4.0 -41.6 210 25 344.7 344.7 295.7 345.7 0.27 29 241 11198 -43.1 -46.9 66 3.8 -43.4 218 22 345.6 345.6 295.8 346.5 0.23 30 236 11339 -44.1 -59.1 17 15.0 -44.7 226 23 346.2 346.2 295.8 346.4 0.06 31 232 11454 -44.9 -53.9 36 9.0 -45.4 228 24 346.6 346.7 296.0 347.1 0.11 32 230 11511 -45.5 -47.5 80 2.0 -45.6 229 25 346.6 346.6 296.1 347.5 0.23 33 226 11628 -46.3 -53.3 45 7.0 -46.7 231 26 347.1 347.1 296.1 347.6 0.12 34 223 11717 -46.7 -51.7 57 5.0 -47.0 232 27 347.8 347.9 296.3 348.4 0.15 35 214 11989 -48.7 -61.7 21 13.0 -49.1 237 30 348.8 348.8 296.4 349.0 0.04 36 211 12082 -49.5 -61.5 23 12.0 -49.9 239 31 349.0 349.0 296.4 349.2 0.05 37 204 12302 -51.5 -64.5 20 13.0 -51.8 243 34 349.2 349.2 296.5 349.4 0.03 38 200 12430 -52.5 -58.5 48 6.0 -52.7 245 35 349.6 349.6 296.6 349.9 0.07 39 198 12495 -53.1 -56.6 66 3.5 -53.2 245 36 349.7 349.7 296.7 350.1 0.09 40 194 12627 -54.3 -58.2 62 3.9 -54.4 246 37 349.8 349.8 296.7 350.1 0.08 41 159 13876 -64.9 -69.9 50 5.0 -65.0 253 48 352.4 352.4 297.1 352.4 0.02 42 150 14230 -67.9 -71.7 58 3.8 -67.9 255 51 353.1 353.1 297.3 353.2 0.02 43 120 15531 -79.9 -84.6 45 4.7 -79.9 250 57 354.4 354.4 297.5 354.4 0.00 44 115 15771 -81.1 -85.5 47 4.4 -81.1 230 46 356.5 356.5 298.0 356.5 0.00 45 100 16570 -74.7 -85.7 17 11.0 -74.7 240 9 383.4 383.4 302.8 383.4 0.00 46 79 17931 -77.5 -88.5 15 11.0 -77.5 171 15 404.4 404.4 305.8 404.4 0.00 47 76 18155 -75.1 -87.1 14 12.0 -75.2 161 16 413.9 413.9 307.0 413.9 0.00 48 70 18630 -76.9 -87.9 16 11.0 -76.9 150 17 419.9 419.9 307.7 419.9 0.00 49 68 18797 -76.5 -88.5 13 12.0 -76.6 150 16 424.2 424.2 308.2 424.2 0.00 50 66 18970 -72.7 -86.7 10 14.0 -72.8 143 16 436.1 436.1 309.5 436.1 0.00 51 54 20159 -68.5 -88.5 4 20.0 -68.7 102 20 471.6 471.6 312.8 471.6 0.00 52 50 20620 -68.5 -88.5 4 20.0 -68.7 80 21 482.1 482.1 313.6 482.1 0.00 53 45 21249 -69.5 -89.5 4 20.0 -69.7 65 24 494.4 494.4 314.5 494.4 0.00 54 41 21810 -64.3 -89.3 2 25.0 -64.7 79 20 520.7 520.7 316.4 520.7 0.00 55 38 22274 -64.7 -89.7 2 25.0 -65.1 66 20 531.1 531.1 317.0 531.1 0.00 56 36 22607 -60.5 -88.5 1 28.0 -61.2 76 19 550.3 550.3 318.1 550.3 0.00 57 30 23750 -57.3 -86.3 1 29.0 -58.5 115 23 588.4 588.4 320.0 588.5 0.01 58 21 26032 -52.1 -84.1 1 32.0 -54.9 103 28 667.3 667.3 323.3 667.4 0.02 59 21 26032 -52.3 -83.3 1 31.0 -55.1 103 28 666.7 666.7 323.3 666.9 0.02 TRP 115 15771 -81.1 -85.5 47 4.4 -81.1 230 46 356.5 356.5 298.0 356.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 576.34 mb = 4732.04 m = 15524.88 ft Wetbulb zero: 576.44 mb = 4727.36 m = 15509.53 ft Precipitable water: 2.04 inches Sfc-500 mean rel hum: 92.91 % Est. max temperature: 29.92 C = 85.85 F Sfc-Lift cond lev (LCL): 902.65 mb = 977.62 m = 3207.39 ft T: 20.00 C 700-500 lapse rate: 5.48 C/km ThetaE index: 5.84 C Layer 734.0- 715.0 mb Conv cond level (CCL): 853.80 mb = 1459.48 m = 4788.27 ft Mean mixing ratio: 15.57 g/kg Conv temperature: 26.96 C = 80.53 F Cap Strength: 0.81 C Lifted Index: -1.75 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.12 C Lifted Index @700 mb: -0.47 C Showalter Index: -0.84 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.40 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 241.60 Risk: None Energy Index: -0.81 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 605.02 J/kg Max Up Vert Vel: 34.79 m/s Conv Inhibition (B-): 13.83 J/kg Cap Strength: 0.72 C Lift Cond Lev (LCL): 879.57 mb = 1202.38 m = 3944.78 ft Lev Free Conv (LFC): 774.57 mb = 2290.35 m = 7514.18 ft Equ Level (EL): 214.57 mb = 11971.27 m = 39275.34 ft B at Equ Level: 599.99 J/kg Max Parcel Lev (MPL): 104.57 mb = 16314.35 m = 53524.11 ft Wind level data Storm motion: 16 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 ---------------------------------------------------------- 0 947 556 150 7 -3.5 6.1 | 177 16 -0.7 16.0 1 941 610 5 13 -1.1 -13.0 | 332 3 1.6 -3.1 2 925 765 360 19 -0.0 -19.0 | 343 10 2.8 -9.1 3 909 914 350 23 4.0 -22.7 | 332 14 6.8 -12.8 4 878 1219 350 27 4.7 -26.6 | 336 18 7.5 -16.7 5 850 1498 360 22 -0.0 -22.0 | 347 12 2.8 -12.1 6 817 1829 360 20 -0.0 -20.0 | 345 10 2.8 -10.1 7 788 2134 15 21 -5.4 -20.3 | 14 11 -2.7 -10.4 8 761 2438 25 19 -8.0 -17.2 | 36 9 -5.3 -7.3 9 700 3140 350 7 1.2 -6.9 | 233 5 4.0 3.0 10 682 3353 350 10 1.7 -9.8 | 269 5 4.5 0.0 11 632 3962 5 13 -1.1 -13.0 | 332 3 1.6 -3.1 12 609 4267 325 17 9.8 -13.9 | 288 13 12.5 -4.0 13 565 4877 285 14 13.5 -3.6 | 249 17 16.3 6.3 14 544 5182 235 12 9.8 6.9 | 217 21 12.6 16.8 15 504 5791 285 2 1.9 -0.5 | 207 10 4.7 9.4 16 500 5860 290 2 1.9 -0.7 | 207 10 4.7 9.2 17 485 6096 300 3 2.6 -1.5 | 213 10 5.4 8.4 18 414 7315 260 13 12.8 2.3 | 232 20 15.6 12.1 19 400 7580 250 8 7.5 2.7 | 219 16 10.3 12.6 20 366 8230 240 8 6.9 4.0 | 215 17 9.7 13.9 21 351 8534 250 6 5.6 2.1 | 215 15 8.4 11.9 22 323 9144 225 17 12.0 12.0 | 214 26 14.8 21.9 23 300 9690 205 32 13.5 29.0 | 203 42 16.3 38.9 24 297 9754 205 32 13.5 29.0 | 203 42 16.3 38.9 25 260 10668 205 19 8.0 17.2 | 202 29 10.8 27.1 26 250 10950 210 25 12.5 21.7 | 206 35 15.3 31.5 27 249 10973 200 22 7.5 20.7 | 199 32 10.3 30.6 28 238 11278 225 22 15.6 15.6 | 216 31 18.3 25.4 29 200 12430 245 35 31.7 14.8 | 234 42 34.5 24.7 30 150 14230 255 51 49.3 13.2 | 246 57 52.0 23.1 31 140 14630 260 52 51.2 9.0 | 251 57 54.0 18.9 32 120 15545 250 57 53.6 19.5 | 242 64 56.3 29.4 33 115 15771 230 46 35.2 29.6 | 224 55 38.0 39.5 34 108 16154 210 32 16.0 27.7 | 207 42 18.8 37.6 35 100 16570 240 9 7.8 4.5 | 216 18 10.6 14.4 36 97 16764 240 9 7.8 4.5 | 216 18 10.6 14.4 37 87 17374 195 11 2.8 10.6 | 195 21 5.6 20.5 38 74 18288 155 17 -7.2 15.4 | 170 26 -4.4 25.3 39 70 18593 125 16 -13.1 9.2 | 152 22 -10.3 19.1 40 70 18630 150 17 -8.5 14.7 | 167 25 -5.7 24.6 41 67 18898 150 15 -7.5 13.0 | 168 23 -4.7 22.9 42 64 19202 125 19 -15.6 10.9 | 148 24 -12.8 20.8 43 60 19507 135 19 -13.4 13.4 | 155 26 -10.7 23.3 44 50 20620 80 21 -20.7 -3.6 | 109 19 -17.9 6.2 45 49 20726 75 21 -20.3 -5.4 | 104 18 -17.5 4.5 46 47 21031 75 23 -22.2 -6.0 | 101 20 -19.4 3.9 47 42 21641 50 26 -19.9 -16.7 | 68 18 -17.1 -6.8 48 40 21946 95 17 -16.9 1.5 | 129 18 -14.2 11.4 49 38 22250 65 20 -18.1 -8.5 | 95 15 -15.4 1.4 50 36 22555 70 18 -16.9 -6.2 | 105 15 -14.1 3.7 51 35 22860 95 20 -19.9 1.7 | 124 21 -17.2 11.6 52 33 23165 95 20 -19.9 1.7 | 124 21 -17.2 11.6 53 31 23470 115 24 -21.8 10.1 | 137 28 -19.0 20.0 54 30 23750 115 23 -20.8 9.7 | 137 27 -18.1 19.6 55 26 24384 120 23 -19.9 11.5 | 141 27 -17.1 21.4 56 22 24994 110 22 -20.7 7.5 | 134 25 -17.9 17.4 57 21 25298 100 31 -30.5 5.4 | 119 32 -27.8 15.3 58 16 26213 60 21 -18.2 -10.5 | 88 15 -15.4 -0.6 Wind Parameters Mean winds (0-6000m): 345.7 at 13.7 knts Storm direction: 15.7 at 10.3 knts Shear (0-3000m) pos: 2.0 neg: 4.6 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 108.6 deg Storm rel helicity (0-3000m) pos: 51.7 neg: -19.2 tot: 32.5 m^2/s^2 ave: 10.8 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 13.7 stream: 5.8 10^-3/s Energy-Hel index: 0.18 Bulk Rich Number: 121.47 Bulk Shear: 4.98 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 ------------------------------------------------------------------------------- 500 356 19 335 10| 0.0 32.4 32.4| 9.4 -6.6 2.8 5.5 0.66| 44.5 29.5 1000 354 22 338 13| 2.7 16.2 18.9| 23.6 -6.6 17.0 17.0 0.63| 26.3 16.5 1500 357 21 342 12| 3.2 10.8 14.0| 34.4 -7.5 27.0 18.0 0.63| 19.4 12.2 2000 2 21 350 11| 3.3 8.1 11.5| 47.1 -10.1 37.0 18.5 0.61| 16.5 10.1 2500 4 19 351 10| 2.7 5.5 8.2| 47.1 -18.1 29.0 11.6 0.41| 15.3 6.3 3000 3 18 346 8| 2.0 4.6 6.6| 51.7 -19.2 32.5 10.8 0.42| 13.7 5.8 4000 358 17 334 8| 1.5 4.3 5.8| 54.3 -50.4 3.9 1.0 0.26| 12.8 3.3 5000 349 16 313 8| 1.7 2.8 4.5| 57.7-126.4 -68.7 -13.7 0.09| 12.7 1.1 6000 346 14 299 7| 1.7 2.7 4.4| 69.2-134.4 -65.2 -10.9 0.09| 11.4 1.0 Wrote GIF file: /home/apache/climate/data/raob//SBCG/skewt/SBCG.skewt.20251208.12.gif