UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 28 APR 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 78 1 925 766 SFC 910 908 19.6 17.4 87 2.2 18.1 0 0 300.8 303.3 294.7 341.5 13.87 3 850 1495 17.4 13.2 76 4.2 14.7 270 15 304.4 306.5 293.9 338.1 11.29 4 811 1895 15.2 10.2 72 5.0 12.0 254 13 306.2 308.0 293.2 335.3 9.68 5 752 2532 11.8 -3.2 35 15.0 4.3 269 13 309.2 309.9 289.3 321.7 4.01 6 741 2655 11.4 -2.6 37 14.0 4.3 261 16 310.0 310.8 289.8 323.4 4.26 7 736 2712 11.4 1.4 50 10.0 5.9 257 17 310.6 311.7 291.3 328.5 5.76 8 730 2780 10.8 6.5 75 4.3 8.2 255 18 310.7 312.3 293.4 336.4 8.35 9 700 3129 8.0 4.8 80 3.2 6.1 255 19 311.3 312.8 293.1 335.2 7.73 10 677 3404 5.6 3.5 86 2.1 4.4 260 23 311.6 313.0 292.9 334.2 7.29 11 639 3876 4.4 0.0 73 4.4 2.0 278 30 315.5 316.6 292.9 334.4 6.00 12 564 4881 -2.9 -3.0 99 0.1 -3.0 293 35 318.3 319.4 293.3 335.8 5.44 13 500 5830 -7.3 -7.4 99 0.1 -7.4 285 37 324.1 325.0 294.0 338.6 4.39 14 457 6525 -10.9 -11.2 98 0.3 -11.1 278 41 328.1 328.8 294.3 340.1 3.56 15 453 6593 -10.5 -11.7 91 1.2 -11.0 278 42 329.4 330.1 294.6 341.1 3.45 16 430 6992 -12.3 -20.3 51 8.0 -14.9 276 43 332.1 332.4 293.9 338.3 1.77 17 404 7465 -15.5 -17.8 82 2.3 -16.3 282 43 333.9 334.4 294.8 342.1 2.34 18 400 7540 -15.9 -18.6 80 2.7 -16.8 285 43 334.3 334.8 294.8 342.1 2.20 19 375 8025 -18.9 -21.5 80 2.6 -19.7 284 46 336.6 337.0 295.1 343.1 1.83 20 363 8267 -20.3 -29.3 44 9.0 -22.4 280 53 337.9 338.0 294.6 341.3 0.93 21 335 8857 -25.5 -35.5 39 10.0 -27.2 273 55 338.6 338.7 294.5 340.7 0.55 22 317 9256 -28.7 -53.7 7 25.0 -30.9 271 56 339.5 339.6 294.3 339.9 0.08 23 300 9650 -31.1 -47.1 19 16.0 -32.7 275 57 341.5 341.6 294.8 342.3 0.18 24 267 10462 -37.9 -51.9 22 14.0 -38.9 275 65 343.2 343.2 295.2 343.7 0.12 25 250 10910 -42.3 -49.3 46 7.0 -42.8 275 70 343.2 343.2 295.3 343.9 0.17 26 246 11019 -43.1 -48.1 58 5.0 -43.5 275 71 343.6 343.6 295.4 344.4 0.20 27 244 11074 -43.7 -49.7 51 6.0 -44.1 275 72 343.5 343.5 295.3 344.2 0.17 28 222 11706 -47.3 -60.3 21 13.0 -47.8 275 79 347.3 347.4 296.1 347.6 0.05 29 218 11827 -48.1 -60.1 24 12.0 -48.5 275 80 347.9 347.9 296.2 348.2 0.05 30 200 12390 -53.1 -60.1 42 7.0 -53.3 275 86 348.7 348.7 296.4 348.9 0.06 31 185 12885 -57.3 -60.5 67 3.2 -57.4 277 88 349.7 349.7 296.6 350.0 0.06 32 156 13935 -66.9 -71.1 55 4.2 -67.0 280 89 350.9 350.9 296.8 351.0 0.02 33 150 14170 -69.1 -73.8 50 4.7 -69.1 280 88 351.1 351.1 296.8 351.1 0.01 34 131 14965 -75.7 -78.4 65 2.7 -75.7 270 90 353.1 353.1 297.3 353.1 0.01 35 130 15009 -76.1 -78.7 66 2.6 -76.1 270 90 353.2 353.2 297.3 353.2 0.01 36 124 15281 -76.7 -80.0 59 3.3 -76.7 269 89 356.9 356.9 298.1 356.9 0.01 37 113 15814 -77.7 -84.7 31 7.0 -77.7 261 77 364.6 364.6 299.6 364.6 0.00 38 111 15917 -74.1 -83.1 24 9.0 -74.1 263 75 373.2 373.3 301.1 373.3 0.00 39 100 16520 -77.3 -85.3 27 8.0 -77.3 285 65 378.4 378.4 302.0 378.4 0.00 40 92 16997 -79.9 -87.9 25 8.0 -79.9 290 63 382.4 382.4 302.6 382.4 0.00 41 88 17252 -75.9 -86.9 16 11.0 -75.9 290 63 395.3 395.3 304.6 395.3 0.00 42 77 18028 -74.9 -88.9 10 14.0 -74.9 266 58 412.7 412.7 306.9 412.7 0.00 43 70 18590 -70.1 -89.1 5 19.0 -70.2 275 25 434.4 434.4 309.3 434.4 0.00 44 69 18675 -69.9 -88.9 5 19.0 -70.0 284 34 436.6 436.6 309.6 436.6 0.00 45 65 19028 -70.9 -89.9 4 19.0 -71.0 257 22 442.0 442.0 310.1 442.0 0.00 46 59 19608 -64.9 -88.9 2 24.0 -65.2 292 15 467.9 467.9 312.4 467.9 0.00 47 50 20620 -62.7 -88.7 2 26.0 -63.1 260 24 495.7 495.7 314.7 495.7 0.00 48 49 20745 -62.9 -88.9 2 26.0 -63.3 307 19 498.1 498.1 314.8 498.1 0.00 49 46 21138 -59.5 -88.5 1 29.0 -60.2 258 27 515.4 515.4 316.0 515.4 0.00 50 31 23641 -54.9 -88.9 1 34.0 -56.5 41 11 589.4 589.4 320.1 589.4 0.00 51 30 23850 -56.1 -89.1 1 33.0 -57.5 25 18 591.7 591.7 320.2 591.7 0.00 52 29 24065 -56.3 -89.3 1 33.0 -57.8 25 18 596.9 596.9 320.5 596.9 0.00 53 24 25286 -49.5 -87.5 0 38.0 -52.7 39 8 649.9 649.9 322.7 649.9 0.01 54 20 26484 -48.1 -87.1 0 39.0 -52.2 50 11 688.9 688.9 324.1 689.0 0.01 TRP 92 16997 -79.9 -87.9 25 8.0 -79.9 290 63 382.4 382.4 302.6 382.4 0.00 WND 131 14965 -75.7 -78.4 65 2.7 -75.7 270 90 353.1 353.1 297.3 353.1 0.01 Sounding variables and indices 1000-500 mb thick: 5752.00 m Freezing level: 593.79 mb = 4482.15 m = 14705.04 ft Wetbulb zero: 608.70 mb = 4267.40 m = 14000.49 ft Precipitable water: 1.39 inches Sfc-500 mean rel hum: 79.79 % Est. max temperature: 27.37 C = 81.26 F Sfc-Lift cond lev (LCL): 881.18 mb = 1184.98 m = 3887.70 ft T: 18.56 C 700-500 lapse rate: 5.66 C/km ThetaE index: 19.77 C Layer 850.0- 741.0 mb Conv cond level (CCL): 753.84 mb = 2511.20 m = 8238.75 ft Mean mixing ratio: 11.70 g/kg Conv temperature: 27.68 C = 81.83 F Cap Strength: 2.23 C Lifted Index: 0.12 C Risk: Showers probable Lifted Index @300 mb: 3.86 C Lifted Index @700 mb: 0.77 C Showalter Index: 0.30 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 20.50 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 225.40 Risk: None Energy Index: 0.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.42 J/kg Max Up Vert Vel: 9.84 m/s Conv Inhibition (B-): 98.36 J/kg Cap Strength: 2.23 C Lift Cond Lev (LCL): 812.98 mb = 1874.19 m = 6148.83 ft Lev Free Conv (LFC): 677.98 mb = 3392.06 m = 11128.66 ft Equ Level (EL): 667.98 mb = 3513.64 m = 11527.56 ft B at Equ Level: 21.89 J/kg Max Parcel Lev (MPL): 437.98 mb = 6850.79 m = 22476.07 ft Wind level data Storm motion: 309 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 0 0 -0.0 -0.0 | 129 20 -15.6 12.7 1 878 1219 280 11 10.8 -1.9 | 156 12 -4.8 10.8 2 850 1495 270 15 15.0 -0.0 | 177 13 -0.6 12.7 3 817 1829 250 13 12.2 4.4 | 169 17 -3.4 17.1 4 788 2134 270 12 12.0 -0.0 | 164 13 -3.6 12.7 5 760 2438 275 11 11.0 -1.0 | 158 13 -4.7 11.7 6 733 2743 255 18 17.4 4.7 | 186 17 1.8 17.4 7 700 3129 255 19 18.4 4.9 | 189 18 2.7 17.6 8 655 3658 265 27 26.9 2.4 | 217 19 11.3 15.1 9 631 3962 285 32 30.9 -8.3 | 254 16 15.3 4.4 10 607 4267 285 32 30.9 -8.3 | 254 16 15.3 4.4 11 585 4572 295 35 31.7 -14.8 | 277 16 16.1 -2.1 12 500 5830 285 37 35.7 -9.6 | 261 20 20.1 3.1 13 483 6096 280 40 39.4 -6.9 | 256 24 23.8 5.8 14 412 7315 275 44 43.8 -3.8 | 253 30 28.2 8.9 15 400 7540 285 43 41.5 -11.1 | 267 26 25.9 1.6 16 380 7925 285 43 41.5 -11.1 | 267 26 25.9 1.6 17 364 8230 280 53 52.2 -9.2 | 265 37 36.6 3.5 18 321 9144 270 56 56.0 -0.0 | 253 42 40.4 12.7 19 300 9650 275 57 56.8 -5.0 | 259 42 41.2 7.7 20 250 10910 275 70 69.7 -6.1 | 263 55 54.1 6.6 21 200 12390 275 86 85.7 -7.5 | 266 70 70.1 5.2 22 170 13411 280 90 88.6 -15.6 | 272 73 73.0 -2.9 23 150 14170 280 88 86.7 -15.3 | 272 71 71.0 -2.6 24 131 14965 270 90 90.0 -0.0 | 260 75 74.4 12.7 25 125 15240 270 90 90.0 -0.0 | 260 75 74.4 12.7 26 112 15850 260 76 74.8 13.2 | 246 65 59.2 25.9 27 100 16520 285 65 62.8 -16.8 | 275 47 47.2 -4.1 28 96 16764 285 64 61.8 -16.6 | 275 46 46.2 -3.9 29 92 16997 290 63 59.2 -21.5 | 281 44 43.6 -8.8 30 86 17374 290 63 59.2 -21.5 | 281 44 43.6 -8.8 31 78 17983 265 61 60.8 5.3 | 248 49 45.1 18.0 32 70 18590 275 25 24.9 -2.2 | 221 14 9.3 10.5 33 70 18593 290 37 34.8 -12.7 | 270 19 19.1 0.0 34 63 19202 245 17 15.4 7.2 | 179 20 -0.2 19.9 35 60 19507 260 14 13.8 2.4 | 173 15 -1.8 15.1 36 57 19812 345 18 4.7 -17.4 | 67 12 -11.0 -4.7 37 54 20117 340 25 8.6 -23.5 | 33 13 -7.1 -10.8 38 52 20422 290 26 24.4 -8.9 | 247 10 8.8 3.8 39 50 20620 260 24 23.6 4.2 | 205 19 8.0 16.9 40 49 20726 310 19 14.6 -12.2 | 115 1 -1.1 0.5 41 45 21336 235 30 24.6 17.2 | 197 31 9.0 29.9 42 43 21641 220 12 7.7 9.2 | 160 23 -7.9 21.9 43 41 21946 225 6 4.2 4.2 | 146 20 -11.4 16.9 44 39 22250 185 10 0.9 10.0 | 147 27 -14.7 22.7 45 37 22555 150 11 -5.5 9.5 | 136 31 -21.1 22.2 46 35 22860 140 16 -10.3 12.3 | 134 36 -25.9 25.0 47 33 23165 60 14 -12.1 -7.0 | 102 28 -27.7 5.7 48 32 23470 30 12 -6.0 -10.4 | 96 22 -21.6 2.3 49 30 23774 50 10 -7.7 -6.4 | 105 24 -23.3 6.3 50 30 23850 25 18 -7.6 -16.3 | 81 24 -23.2 -3.6 51 28 24079 25 18 -7.6 -16.3 | 81 24 -23.2 -3.6 52 23 24994 45 4 -2.8 -2.8 | 118 21 -18.4 9.9 53 18 25908 55 18 -14.7 -10.3 | 94 30 -30.4 2.4 54 14 26822 350 2 0.3 -2.0 | 125 19 -15.3 10.7 Wind Parameters Mean winds (0-6000m): 279.1 at 26.8 knts Storm direction: 309.1 at 20.1 knts Shear (0-3000m) pos: 3.2 neg: 3.6 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 117.2 deg Storm rel helicity (0-3000m) pos: 149.7 neg: -25.5 tot: 124.3 m^2/s^2 ave: 41.4 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 5.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.04 Bulk Shear: 46.57 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 ------------------------------------------------------------------------------- 500 278 8 147 14| 0.0 14.1 14.1| 33.0 -8.0 25.0 50.0 0.51| 17.2 8.8 1000 267 11 161 14| 0.0 6.6 6.6| 37.3 -17.4 19.9 19.9 0.31| 12.3 3.9 1500 267 11 162 14| 1.5 4.4 5.8| 37.3 -25.5 11.8 7.9 0.19| 9.8 1.8 2000 265 12 167 14| 1.1 5.4 6.5| 63.9 -25.5 38.4 19.2 0.33| 9.6 3.2 2500 263 14 173 15| 1.3 4.3 5.6| 88.4 -25.5 62.9 25.2 0.41| 8.8 3.6 3000 264 16 182 14| 3.2 3.6 6.8|149.7 -25.5 124.3 41.4 0.55| 9.6 5.3 4000 275 21 204 12| 3.4 2.7 6.1|185.8 -31.0 154.9 38.7 0.57| 8.5 4.9 5000 279 24 222 12| 2.7 2.7 5.5|185.8 -52.5 133.3 26.7 0.46| 7.5 3.5 6000 279 27 232 14| 2.3 2.9 5.1|185.8 -68.8 117.1 19.5 0.39| 6.8 2.7 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250428.00.gif