UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122800.upa.cvt Date: 0000Z 28 DEC 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 28 DEC 25 Station: SBCT WMO ident: 83840 Latitude: -25.52 Longitude: -49.17 Elevation: 908.00 ------------------------------------------------------------------------------- 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 98 1 925 793 SFC 913 908 25.2 19.2 69 6.0 20.9 280 5 306.2 309.1 297.3 352.8 15.52 3 882 1211 22.4 17.8 75 4.6 19.2 222 19 306.4 309.1 296.7 350.5 14.70 4 864 1391 22.6 16.6 69 6.0 18.4 240 18 308.4 311.0 296.7 350.4 13.89 5 850 1533 22.4 15.4 65 7.0 17.6 255 18 309.6 312.1 296.5 349.3 13.06 6 811 1941 20.0 14.0 68 6.0 15.9 262 19 311.3 313.6 296.5 349.5 12.49 7 700 3192 10.0 10.0 100 0.0 10.0 285 8 313.6 315.7 296.1 347.9 11.09 8 692 3288 9.2 9.0 99 0.2 9.1 291 7 313.7 315.7 295.8 346.2 10.48 9 653 3767 7.6 -0.4 57 8.0 3.2 312 9 317.1 318.2 293.2 335.3 5.70 10 602 4433 3.2 -0.8 75 4.0 1.0 291 13 319.5 320.7 294.0 338.8 6.01 11 557 5059 -0.5 -2.6 86 2.1 -1.6 274 18 322.3 323.4 294.5 340.8 5.68 12 543 5263 -0.7 -7.7 59 7.0 -4.0 271 18 324.4 325.2 293.7 337.5 3.95 13 530 5457 -1.5 -5.2 76 3.7 -3.3 274 15 325.7 326.7 294.8 342.0 4.91 14 528 5487 -1.1 -8.1 59 7.0 -4.4 275 14 326.6 327.4 294.3 339.7 3.94 15 500 5920 -3.9 -10.9 58 7.0 -7.0 315 17 328.3 329.0 294.2 339.6 3.33 16 497 5968 -4.1 -11.1 58 7.0 -7.1 315 17 328.6 329.3 294.3 339.8 3.30 17 482 6209 -6.1 -9.6 76 3.5 -7.7 311 19 329.0 329.8 294.8 342.0 3.83 18 468 6440 -6.9 -14.9 53 8.0 -10.1 305 20 330.8 331.3 294.3 339.7 2.57 19 414 7388 -13.5 -27.5 30 14.0 -17.2 311 20 334.1 334.3 293.7 337.7 0.97 20 401 7631 -15.5 -22.5 55 7.0 -17.6 315 16 334.6 334.9 294.4 340.2 1.57 21 400 7650 -15.5 -24.5 46 9.0 -18.0 315 16 334.8 335.1 294.2 339.6 1.31 22 380 8034 -18.3 -29.3 37 11.0 -20.9 315 16 336.1 336.3 294.1 339.4 0.89 23 379 8054 -18.3 -32.3 28 14.0 -21.3 314 16 336.4 336.5 294.0 338.9 0.67 24 371 8213 -19.3 -21.9 80 2.6 -20.1 306 17 337.1 337.4 295.1 343.5 1.79 25 346 8727 -22.7 -24.0 89 1.3 -23.1 329 12 339.3 339.6 295.5 345.1 1.59 26 310 9525 -27.1 -32.1 62 5.0 -28.1 321 9 343.9 344.1 296.0 347.1 0.84 27 304 9665 -28.3 -33.0 64 4.7 -29.2 321 8 344.2 344.4 296.0 347.2 0.78 28 300 9760 -29.1 -34.1 62 5.0 -30.0 320 8 344.4 344.5 296.0 347.1 0.71 29 286 10100 -31.7 -36.6 62 4.9 -32.4 337 9 345.4 345.5 296.1 347.7 0.58 30 272 10454 -34.1 -48.1 23 14.0 -35.4 355 9 346.9 346.9 296.1 347.6 0.18 31 259 10795 -36.5 -43.5 48 7.0 -37.2 15 4 348.3 348.3 296.5 349.5 0.31 32 258 10822 -37.1 -47.1 35 10.0 -38.0 17 4 347.8 347.8 296.3 348.6 0.21 33 256 10876 -36.7 -55.7 12 19.0 -38.0 20 3 349.1 349.1 296.5 349.5 0.08 34 250 11040 -38.3 -51.3 24 13.0 -39.3 30 1 349.1 349.2 296.5 349.7 0.14 35 227 11695 -44.5 -52.5 41 8.0 -45.0 27 3 349.4 349.4 296.6 350.0 0.13 36 220 11904 -45.9 -58.9 22 13.0 -46.4 27 3 350.4 350.4 296.8 350.7 0.06 37 202 12465 -51.1 -61.1 29 10.0 -51.4 30 6 350.8 350.9 296.8 351.1 0.05 38 200 12530 -51.9 -58.9 43 7.0 -52.1 30 6 350.6 350.6 296.8 350.9 0.07 39 183 13099 -57.1 -59.6 73 2.5 -57.2 25 7 351.2 351.2 297.0 351.4 0.07 40 181 13168 -57.7 -63.7 46 6.0 -57.8 25 7 351.3 351.3 297.0 351.5 0.04 41 174 13416 -59.5 -62.6 67 3.1 -59.6 23 7 352.3 352.3 297.2 352.5 0.05 42 167 13672 -61.3 -71.3 25 10.0 -61.4 21 7 353.5 353.5 297.4 353.5 0.02 43 152 14250 -65.5 -69.9 54 4.4 -65.5 16 8 355.9 355.9 297.9 356.0 0.02 44 150 14330 -66.1 -71.1 49 5.0 -66.1 15 8 356.2 356.2 298.0 356.3 0.02 45 121 15603 -74.9 -79.9 46 5.0 -74.9 210 10 362.7 362.7 299.2 362.7 0.01 46 109 16204 -77.5 -82.5 44 5.0 -77.5 226 10 368.8 368.8 300.4 368.8 0.00 47 100 16700 -75.1 -89.1 10 14.0 -75.2 285 18 382.6 382.6 302.6 382.6 0.00 48 83 17756 -82.9 -88.9 35 6.0 -82.9 250 7 387.7 387.7 303.5 387.7 0.00 49 73 18472 -81.5 -91.5 17 10.0 -81.5 200 6 405.1 405.1 305.9 405.1 0.00 50 71 18629 -77.9 -89.9 13 12.0 -77.9 164 10 416.0 416.0 307.3 416.0 0.00 51 70 18710 -78.3 -90.3 13 12.0 -78.3 110 19 416.9 416.9 307.3 416.9 0.00 52 68 18875 -78.7 -90.7 12 12.0 -78.7 105 19 419.5 419.5 307.6 419.5 0.00 53 61 19504 -72.7 -89.7 6 17.0 -72.8 194 10 446.1 446.1 310.5 446.1 0.00 54 56 20005 -73.7 -90.7 6 17.0 -73.8 150 27 454.8 454.8 311.3 454.8 0.00 55 54 20220 -68.9 -90.9 3 22.0 -69.1 158 23 470.6 470.6 312.7 470.7 0.00 56 50 20680 -68.9 -90.9 3 22.0 -69.1 115 24 481.1 481.1 313.5 481.1 0.00 57 48 20926 -68.1 -91.1 2 23.0 -68.3 128 29 488.7 488.7 314.1 488.7 0.00 58 43 21586 -69.5 -91.5 3 22.0 -69.7 46 23 500.9 500.9 315.0 500.9 0.00 59 36 22673 -60.3 -90.3 1 30.0 -61.0 113 22 550.8 550.8 318.1 550.8 0.00 60 35 22851 -55.5 -88.5 1 33.0 -56.8 105 18 567.7 567.7 319.0 567.8 0.00 61 30 23830 -57.9 -88.9 1 31.0 -59.0 145 18 586.8 586.8 320.0 586.8 0.00 62 29 24043 -58.3 -89.3 1 31.0 -59.5 145 19 591.4 591.4 320.2 591.4 0.00 63 20 26410 -51.3 -87.3 1 36.0 -54.4 125 26 679.1 679.2 323.7 679.2 0.01 64 18 27095 -50.9 -87.9 0 37.0 -54.4 125 25 701.2 701.2 324.5 701.3 0.01 65 16 27857 -54.1 -89.1 1 35.0 -57.0 115 20 714.8 714.8 324.9 714.8 0.01 66 14 28717 -52.3 -88.3 1 36.0 -56.0 114 24 748.7 748.7 325.9 748.8 0.01 TRP 83 17756 -82.9 -88.9 35 6.0 -82.9 250 7 387.7 387.7 303.5 387.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5822.00 m Freezing level: 563.08 mb = 4974.72 m = 16321.06 ft Wetbulb zero: 584.66 mb = 4668.55 m = 15316.59 ft Precipitable water: 1.70 inches Sfc-500 mean rel hum: 74.34 % Est. max temperature: 31.08 C = 87.94 F Sfc-Lift cond lev (LCL): 836.47 mb = 1672.37 m = 5486.71 ft T: 21.58 C 700-500 lapse rate: 5.10 C/km ThetaE index: 14.21 C Layer 700.0- 602.0 mb Conv cond level (CCL): 745.31 mb = 2658.92 m = 8723.38 ft Mean mixing ratio: 13.84 g/kg Conv temperature: 31.43 C = 88.58 F Cap Strength: 3.04 C Lifted Index: -1.11 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.94 C Lifted Index @700 mb: -0.68 C Showalter Index: -0.70 C Risk: Thunderstorms probable Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 19.30 C K Index: 41.70 Risk: > 80 % chance of thunderstorms Sweat Index: 237.80 Risk: None Energy Index: -1.91 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 445.01 J/kg Max Up Vert Vel: 29.83 m/s Conv Inhibition (B-): 91.91 J/kg Cap Strength: 3.04 C Lift Cond Lev (LCL): 790.09 mb = 2163.03 m = 7096.46 ft Lev Free Conv (LFC): 715.09 mb = 3010.74 m = 9877.62 ft Equ Level (EL): 265.09 mb = 10633.32 m = 34885.79 ft B at Equ Level: 445.00 J/kg Max Parcel Lev (MPL): 125.09 mb = 15405.70 m = 50543.01 ft Wind level data Storm motion: 313 at 11 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 ---------------------------------------------------------- 0 913 908 280 5 4.9 -0.9 | 154 8 -3.4 7.0 1 881 1219 220 19 12.2 14.6 | 190 23 3.9 22.4 2 851 1524 255 18 17.4 4.7 | 216 15 9.1 12.5 3 850 1533 255 18 17.4 4.7 | 216 15 9.1 12.5 4 792 2134 265 19 18.9 1.7 | 228 14 10.6 9.5 5 765 2438 280 20 19.7 -3.5 | 249 12 11.4 4.4 6 712 3048 285 10 9.7 -2.6 | 194 5 1.4 5.3 7 700 3192 285 8 7.7 -2.1 | 174 6 -0.6 5.8 8 686 3353 295 6 5.4 -2.5 | 152 6 -2.9 5.3 9 637 3962 320 10 6.4 -7.7 | 96 2 -1.9 0.2 10 613 4267 295 12 10.9 -5.1 | 223 4 2.6 2.8 11 548 5182 270 19 19.0 -0.0 | 234 13 10.7 7.9 12 527 5486 275 14 13.9 -1.2 | 220 9 5.6 6.6 13 500 5920 315 17 12.0 -12.0 | 318 6 3.7 -4.2 14 489 6096 315 18 12.7 -12.7 | 318 7 4.4 -4.9 15 470 6401 305 20 16.4 -11.5 | 294 9 8.1 -3.6 16 418 7315 310 21 16.1 -13.5 | 306 10 7.8 -5.6 17 400 7650 315 16 11.3 -11.3 | 319 5 3.0 -3.5 18 385 7925 320 15 9.6 -11.5 | 340 4 1.3 -3.6 19 370 8230 305 17 13.9 -9.8 | 289 6 5.6 -1.9 20 355 8534 335 14 5.9 -12.7 | 26 5 -2.4 -4.8 21 340 8839 325 10 5.7 -8.2 | 83 3 -2.6 -0.3 22 300 9760 320 8 5.1 -6.1 | 119 4 -3.2 1.7 23 275 10363 350 10 1.7 -9.8 | 73 7 -6.6 -2.0 24 250 11040 30 1 -0.5 -0.9 | 128 11 -8.8 7.0 25 241 11278 25 1 -0.4 -0.9 | 129 11 -8.7 7.0 26 200 12530 30 6 -3.0 -5.2 | 103 12 -11.3 2.7 27 150 14330 15 8 -2.1 -7.7 | 91 10 -10.4 0.1 28 128 15240 190 10 1.7 9.8 | 160 19 -6.6 17.7 29 116 15850 225 10 7.1 7.1 | 175 15 -1.2 14.9 30 110 16154 215 10 5.7 8.2 | 171 16 -2.6 16.1 31 104 16459 295 10 9.1 -4.2 | 192 4 0.8 3.6 32 100 16700 285 18 17.4 -4.7 | 251 10 9.1 3.2 33 99 16764 290 19 17.9 -6.5 | 262 10 9.6 1.4 34 94 17069 285 18 17.4 -4.7 | 251 10 9.1 3.2 35 89 17374 240 16 13.9 8.0 | 199 17 5.6 15.9 36 83 17756 250 7 6.6 2.4 | 170 10 -1.7 10.3 37 80 17983 240 10 8.7 5.0 | 182 13 0.4 12.9 38 71 18593 190 5 0.9 4.9 | 150 15 -7.4 12.8 39 70 18710 110 19 -17.9 6.5 | 119 30 -26.2 14.4 40 68 18898 105 19 -18.4 4.9 | 116 30 -26.7 12.8 41 64 19202 70 10 -9.4 -3.4 | 104 18 -17.7 4.4 42 61 19507 195 10 2.6 9.7 | 162 18 -5.7 17.5 43 58 19812 160 22 -7.5 20.7 | 151 33 -15.8 28.5 44 55 20117 145 30 -17.2 24.6 | 142 41 -25.5 32.4 45 52 20422 180 10 0.0 10.0 | 155 20 -8.3 17.9 46 50 20680 115 24 -21.8 10.1 | 121 35 -30.1 18.0 47 50 20726 165 31 -8.0 29.9 | 157 41 -16.3 37.8 48 45 21336 55 25 -20.5 -14.3 | 77 30 -28.8 -6.5 49 43 21641 45 23 -16.3 -16.3 | 71 26 -24.6 -8.4 50 41 21946 65 15 -13.6 -6.3 | 94 22 -21.9 1.5 51 39 22250 120 13 -11.3 6.5 | 126 24 -19.6 14.4 52 37 22555 115 26 -23.6 11.0 | 121 37 -31.9 18.8 53 35 22860 110 18 -16.9 6.2 | 119 29 -25.2 14.0 54 33 23165 30 12 -6.0 -10.4 | 80 15 -14.3 -2.5 55 32 23470 75 12 -11.6 -3.1 | 103 20 -19.9 4.8 56 30 23774 145 16 -9.2 13.1 | 140 27 -17.5 21.0 57 30 23830 145 18 -10.3 14.7 | 141 29 -18.6 22.6 58 27 24384 145 20 -11.5 16.4 | 141 31 -19.8 24.2 59 26 24689 110 25 -23.5 8.6 | 117 36 -31.8 16.4 60 25 24994 125 16 -13.1 9.2 | 129 27 -21.4 17.0 61 24 25298 90 12 -12.0 0.0 | 111 22 -20.3 7.9 62 21 26213 85 19 -18.9 -1.7 | 103 28 -27.2 6.2 63 20 26410 125 26 -21.3 14.9 | 128 37 -29.6 22.8 64 19 26518 120 18 -15.6 9.0 | 125 29 -23.9 16.9 65 18 26822 125 26 -21.3 14.9 | 128 37 -29.6 22.8 66 16 27127 125 21 -17.2 12.0 | 128 32 -25.5 19.9 67 15 27432 95 18 -17.9 1.6 | 110 28 -26.2 9.4 68 14 27737 115 24 -21.8 10.1 | 121 35 -30.1 18.0 69 11 28651 95 16 -15.9 1.4 | 111 26 -24.2 9.3 70 10 28956 120 34 -29.4 17.0 | 123 45 -37.7 24.9 Wind Parameters Mean winds (0-6000m): 283.4 at 15.2 knts Storm direction: 313.4 at 11.4 knts Shear (0-3000m) pos: 3.2 neg: 2.5 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): -42.7 deg Storm rel helicity (0-3000m) pos: 85.3 neg: -26.8 tot: 58.5 m^2/s^2 ave: 19.5 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 1.5 10^-3/s Energy-Hel index: 0.24 Bulk Rich Number: 19.43 Bulk Shear: 22.90 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 ------------------------------------------------------------------------------- 500 231 15 190 17| 0.0 15.2 15.2| 44.0 -6.9 37.0 74.0 0.43| 25.2 10.8 1000 245 16 204 16| 3.2 7.6 10.8| 65.6 -6.9 58.6 58.6 0.50| 15.8 8.0 1500 254 17 213 15| 4.2 5.1 9.2| 85.2 -6.9 78.3 52.2 0.57| 12.6 7.2 2000 261 17 219 14| 3.2 3.8 7.0| 85.3 -15.8 69.5 34.7 0.38| 11.5 4.3 2500 264 15 216 12| 3.2 3.0 6.3| 85.3 -25.4 59.9 24.0 0.20| 10.5 2.1 3000 268 14 215 10| 3.2 2.5 5.7| 85.3 -26.8 58.5 19.5 0.15| 9.5 1.5 4000 274 14 219 9| 2.4 3.3 5.7| 87.8 -27.0 60.7 15.2 0.18| 8.7 1.6 5000 276 14 223 9| 3.0 2.6 5.7|102.9 -34.4 68.5 13.7 0.23| 8.8 2.0 6000 283 15 236 8| 2.6 2.5 5.1|105.9 -40.7 65.2 10.9 0.19| 7.9 1.5 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251228.00.gif