UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 18 OCT 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 89 1 925 769 SFC 910 908 18.4 18.1 98 0.3 18.2 100 2 299.5 302.2 294.8 341.9 14.51 3 850 1492 14.4 13.7 96 0.7 14.0 290 25 301.2 303.4 293.2 335.6 11.67 4 813 1867 12.2 12.2 100 0.0 12.2 284 21 302.8 304.8 293.2 335.5 11.05 5 744 2609 9.6 7.8 89 1.8 8.5 264 22 307.7 309.4 293.0 334.9 8.96 6 735 2711 10.8 2.8 58 8.0 6.3 260 23 310.1 311.3 291.6 329.8 6.38 7 700 3116 7.6 4.1 78 3.5 5.6 245 24 310.9 312.3 292.7 333.6 7.36 8 675 3415 5.4 4.1 91 1.3 4.6 242 27 311.7 313.1 293.2 335.3 7.63 9 633 3939 3.2 -0.1 79 3.3 1.4 263 28 315.0 316.1 292.8 333.9 6.01 10 625 4042 4.2 -4.8 52 9.0 -0.2 264 27 317.3 318.1 292.0 331.1 4.28 11 599 4387 2.0 -11.0 37 13.0 -3.6 257 25 318.6 319.1 291.0 327.7 2.76 12 564 4869 -2.3 -14.3 39 12.0 -6.9 248 29 319.1 319.5 290.7 326.5 2.24 13 552 5040 -3.7 -8.3 70 4.6 -5.7 246 31 319.4 320.1 292.1 331.5 3.70 14 541 5199 -4.7 -11.7 58 7.0 -7.5 245 33 320.0 320.6 291.6 329.6 2.89 15 540 5214 -4.7 -12.7 54 8.0 -7.9 245 33 320.2 320.7 291.5 329.0 2.67 16 536 5272 -4.5 -8.4 74 3.9 -6.2 244 34 321.1 321.8 292.7 333.5 3.79 17 533 5317 -2.7 -11.7 50 9.0 -6.5 244 35 323.8 324.4 292.7 333.6 2.93 18 500 5820 -7.3 -12.3 67 5.0 -9.3 240 41 324.1 324.7 292.8 334.1 2.98 19 481 6120 -10.3 -12.7 83 2.4 -11.2 240 36 324.1 324.6 292.8 334.1 3.00 20 444 6732 -13.3 -14.4 91 1.1 -13.7 252 30 327.8 328.3 293.7 337.4 2.82 21 400 7520 -17.5 -18.6 91 1.1 -17.9 270 36 332.2 332.7 294.3 340.0 2.20 22 355 8405 -22.9 -25.2 81 2.3 -23.5 282 45 336.5 336.8 294.7 341.6 1.39 23 313 9318 -29.1 -32.1 75 3.0 -29.6 293 48 340.2 340.4 295.1 343.3 0.83 24 300 9620 -31.5 -34.2 77 2.7 -31.9 295 53 341.0 341.1 295.2 343.7 0.70 25 250 10880 -41.9 -45.3 69 3.4 -42.2 295 55 343.8 343.8 295.5 344.8 0.27 26 238 11211 -44.5 -49.5 57 5.0 -44.8 293 58 344.7 344.8 295.6 345.4 0.18 27 224 11614 -48.3 -51.6 69 3.3 -48.4 290 64 344.9 345.0 295.6 345.5 0.15 28 213 11943 -50.9 -55.6 57 4.7 -51.1 288 69 345.9 345.9 295.8 346.3 0.10 29 200 12350 -54.5 -59.2 56 4.7 -54.6 285 75 346.5 346.5 295.9 346.7 0.07 30 179 13051 -60.7 -67.7 39 7.0 -60.8 282 85 347.5 347.5 296.1 347.6 0.02 31 171 13334 -63.3 -67.9 54 4.6 -63.4 281 89 347.8 347.8 296.1 347.9 0.02 32 161 13703 -66.3 -78.1 18 11.8 -66.4 280 95 348.7 348.7 296.3 348.7 0.01 33 158 13816 -67.3 -81.3 12 14.0 -67.4 280 95 348.9 348.9 296.4 348.9 0.00 34 150 14130 -67.3 -80.3 14 13.0 -67.4 260 78 354.2 354.2 297.5 354.2 0.00 35 144 14377 -65.5 -80.5 11 15.0 -65.6 258 68 361.4 361.4 299.0 361.5 0.00 36 120 15461 -74.5 -82.5 28 8.0 -74.5 250 53 364.3 364.3 299.5 364.3 0.00 37 108 16072 -75.5 -85.5 19 10.0 -75.5 249 46 373.5 373.5 301.2 373.6 0.00 38 100 16520 -72.7 -85.7 12 13.0 -72.8 240 38 387.3 387.3 303.4 387.3 0.00 39 81 17753 -75.5 -87.5 14 12.0 -75.6 235 8 405.6 405.6 305.9 405.6 0.00 40 72 18443 -71.9 -88.9 6 17.0 -72.0 236 12 427.1 427.1 308.5 427.1 0.00 41 70 18610 -69.9 -88.9 5 19.0 -70.0 275 22 434.8 434.8 309.3 434.9 0.00 42 67 18874 -65.3 -89.3 2 24.0 -65.5 280 21 450.3 450.3 310.9 450.3 0.00 43 63 19248 -66.9 -88.9 3 22.0 -67.1 257 24 454.8 454.8 311.3 454.8 0.00 44 56 19966 -63.3 -88.3 2 25.0 -63.6 263 14 478.5 478.6 313.3 478.6 0.00 45 51 20539 -64.9 -88.9 2 24.0 -65.2 318 11 487.8 487.8 314.1 487.8 0.00 46 50 20660 -64.5 -89.5 2 25.0 -64.8 305 10 491.5 491.5 314.3 491.5 0.00 47 42 21734 -61.3 -88.3 2 27.0 -61.9 162 10 524.5 524.5 316.6 524.6 0.00 48 40 22036 -62.5 -88.5 2 26.0 -63.0 153 8 528.9 528.9 316.9 528.9 0.00 49 35 22872 -56.7 -86.7 1 30.0 -57.9 128 5 564.6 564.6 318.9 564.7 0.01 50 30 23850 -56.5 -87.5 1 31.0 -57.9 120 18 590.6 590.6 320.2 590.6 0.01 51 29 24065 -56.5 -87.5 1 31.0 -57.9 108 19 596.4 596.4 320.5 596.4 0.01 52 20 26430 -54.9 -86.9 1 32.0 -57.1 60 20 668.1 668.1 323.3 668.2 0.01 53 19 26758 -54.5 -86.5 1 32.0 -56.9 58 20 679.2 679.2 323.7 679.3 0.01 TRP 120 15461 -74.5 -82.5 28 8.0 -74.5 250 53 364.3 364.3 299.5 364.3 0.00 WND 161 13703 -66.3 -78.1 18 11.8 -66.4 280 95 348.7 348.7 296.3 348.7 0.01 Sounding variables and indices 1000-500 mb thick: 5731.00 m Freezing level: 582.72 mb = 4611.27 m = 15128.67 ft Wetbulb zero: 626.05 mb = 4028.34 m = 13216.17 ft Precipitable water: 1.40 inches Sfc-500 mean rel hum: 73.93 % Est. max temperature: 25.20 C = 77.37 F Sfc-Lift cond lev (LCL): 906.23 mb = 943.54 m = 3095.57 ft T: 18.16 C 700-500 lapse rate: 5.51 C/km ThetaE index: 12.08 C Layer 850.0- 700.0 mb Conv cond level (CCL): 853.52 mb = 1456.66 m = 4779.01 ft Mean mixing ratio: 12.36 g/kg Conv temperature: 19.97 C = 67.94 F Cap Strength: 2.14 C Lifted Index: 0.53 C Risk: Showers probable Lifted Index @300 mb: 4.11 C Lifted Index @700 mb: 0.72 C Showalter Index: 1.35 C Risk: Showers probable Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.00 C K Index: 31.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 255.40 Risk: None Energy Index: -0.33 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.08 J/kg Max Up Vert Vel: 7.88 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 2.02 C Lift Cond Lev (LCL): 854.44 mb = 1447.39 m = 4748.59 ft Lev Free Conv (LFC): 849.44 mb = 1497.55 m = 4913.18 ft Equ Level (EL): 759.44 mb = 2437.32 m = 7996.36 ft B at Equ Level: 22.52 J/kg Max Parcel Lev (MPL): 699.44 mb = 3122.57 m = 10244.53 ft Wind level data Storm motion: 285 at 20 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 ---------------------------------------------------------- 0 910 908 100 2 -2.0 0.3 | 104 22 -21.6 5.5 1 909 914 295 10 9.1 -4.2 | 95 11 -10.6 0.9 2 850 1492 290 25 23.5 -8.6 | 311 5 3.8 -3.4 3 847 1524 290 26 24.4 -8.9 | 308 6 4.8 -3.7 4 787 2134 280 17 16.7 -3.0 | 127 4 -2.9 2.2 5 759 2438 270 22 22.0 -0.0 | 205 6 2.4 5.2 6 700 3116 245 24 21.8 10.1 | 188 15 2.1 15.3 7 680 3353 240 26 22.5 13.0 | 189 18 2.9 18.2 8 654 3658 250 32 30.1 10.9 | 213 19 10.4 16.1 9 630 3962 265 27 26.9 2.4 | 224 10 7.2 7.5 10 607 4267 260 25 24.6 4.3 | 208 11 5.0 9.5 11 584 4572 250 25 23.5 8.6 | 196 14 3.8 13.7 12 502 5791 240 41 35.5 20.5 | 212 30 15.9 25.7 13 500 5820 240 41 35.5 20.5 | 212 30 15.9 25.7 14 482 6096 240 37 32.0 18.5 | 208 27 12.4 23.7 15 463 6401 245 27 24.5 11.4 | 196 17 4.8 16.6 16 400 7520 270 36 36.0 -0.0 | 253 17 16.4 5.2 17 363 8230 280 44 43.3 -7.6 | 276 24 23.7 -2.5 18 307 9449 295 49 44.4 -20.7 | 302 29 24.8 -15.6 19 300 9620 295 53 48.0 -22.4 | 301 33 28.4 -17.2 20 250 10880 295 55 49.8 -23.2 | 301 35 30.2 -18.1 21 247 10973 295 54 48.9 -22.8 | 301 34 29.3 -17.7 22 200 12350 285 75 72.4 -19.4 | 285 55 52.8 -14.3 23 161 13703 280 95 93.6 -16.5 | 279 75 73.9 -11.3 24 153 14021 280 95 93.6 -16.5 | 279 75 73.9 -11.3 25 150 14130 260 78 76.8 13.5 | 252 60 57.2 18.7 26 138 14630 255 58 56.0 15.0 | 241 42 36.4 20.2 27 125 15240 255 49 47.3 12.7 | 237 33 27.7 17.8 28 120 15461 250 53 49.8 18.1 | 232 38 30.2 23.3 29 112 15850 245 55 49.8 23.2 | 227 41 30.2 28.4 30 101 16459 255 30 29.0 7.8 | 216 16 9.3 12.9 31 100 16520 240 38 32.9 19.0 | 209 28 13.3 24.2 32 96 16764 240 38 32.9 19.0 | 209 28 13.3 24.2 33 91 17069 235 29 23.8 16.6 | 191 22 4.1 21.8 34 86 17374 260 14 13.8 2.4 | 142 10 -5.9 7.6 35 82 17678 220 10 6.4 7.7 | 134 18 -13.2 12.8 36 78 17983 280 2 2.0 -0.3 | 105 18 -17.7 4.8 37 74 18288 190 14 2.4 13.8 | 138 26 -17.2 18.9 38 70 18593 280 10 9.8 -1.7 | 109 10 -9.8 3.4 39 70 18610 275 22 21.9 -1.9 | 215 4 2.3 3.2 40 67 18898 280 21 20.7 -3.6 | 214 2 1.0 1.5 41 60 19507 240 27 23.4 13.5 | 191 19 3.7 18.7 42 57 19812 240 15 13.0 7.5 | 152 14 -6.7 12.7 43 52 20422 330 11 5.5 -9.5 | 73 15 -14.1 -4.4 44 50 20660 305 10 8.2 -5.7 | 87 11 -11.5 -0.6 45 49 20726 290 10 9.4 -3.4 | 100 10 -10.3 1.7 46 47 21031 290 10 9.4 -3.4 | 100 10 -10.3 1.7 47 45 21336 230 11 8.4 7.1 | 137 17 -11.2 12.2 48 43 21641 165 10 -2.6 9.7 | 124 27 -22.2 14.8 49 32 23470 110 2 -1.9 0.7 | 105 22 -21.5 5.8 50 30 23774 165 14 -3.6 13.5 | 129 30 -23.3 18.7 51 30 23850 120 18 -15.6 9.0 | 112 38 -35.2 14.2 52 28 24384 90 20 -20.0 0.0 | 97 40 -39.6 5.2 53 24 25298 75 26 -25.1 -6.7 | 88 45 -44.8 -1.6 54 23 25603 100 23 -22.7 4.0 | 102 43 -42.3 9.1 55 21 26213 75 28 -27.0 -7.2 | 87 47 -46.7 -2.1 56 20 26430 60 20 -17.3 -10.0 | 83 37 -37.0 -4.8 57 16 27127 50 21 -16.1 -13.5 | 77 37 -35.7 -8.3 Wind Parameters Mean winds (0-6000m): 254.7 at 27.1 knts Storm direction: 284.7 at 20.3 knts Shear (0-3000m) pos: 1.7 neg: 4.9 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 117.7 deg Storm rel helicity (0-3000m) pos: 53.7 neg: -29.9 tot: 23.8 m^2/s^2 ave: 7.9 10^-3 m/s^2 rel: -0.06 Storm rel vorticity (0-3000m) horiz: 12.1 stream: -0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.79 Bulk Shear: 39.38 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 ------------------------------------------------------------------------------- 500 292 16 78 5| 0.0 25.5 25.5| 0.0 -18.7 -18.7 -37.4 -0.44| 25.9-11.4 1000 289 20 32 2| 0.0 11.5 11.5| 0.0 -21.4 -21.4 -21.4 -0.45| 17.5 -7.8 1500 286 20 73 1| 0.0 8.1 8.1| 4.3 -21.8 -17.5 -11.7 -0.28| 14.6 -4.1 2000 279 20 193 2| 0.0 6.5 6.5| 4.5 -25.9 -21.5 -10.7 -0.27| 12.9 -3.5 2500 271 21 198 5| 0.0 5.9 5.9| 12.2 -29.9 -17.7 -7.1 -0.23| 11.8 -2.7 3000 266 23 205 7| 1.7 4.9 6.6| 53.7 -29.9 23.8 7.9 -0.06| 12.1 -0.7 4000 263 24 205 9| 1.3 4.2 5.4| 62.7 -44.8 17.9 4.5 -0.08| 10.7 -0.9 5000 257 26 208 12| 1.0 4.5 5.5| 79.8 -49.6 30.2 6.0 -0.05| 10.0 -0.5 6000 255 27 208 14| 1.9 3.7 5.6|110.2 -82.8 27.4 4.6 -0.03| 10.0 -0.3 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20251018.12.gif