UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:0000Z 19 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 129 1 925 813 SFC 915 908 18.6 17.6 94 1.0 17.9 100 3 299.3 301.8 294.3 340.0 13.97 3 905 1002 17.8 17.8 100 0.0 17.8 77 5 299.4 302.0 294.6 341.1 14.31 4 850 1540 17.0 16.1 94 0.9 16.4 295 3 304.0 306.5 295.4 344.6 13.67 5 848 1560 16.8 16.1 96 0.7 16.3 295 3 303.9 306.5 295.4 344.7 13.70 6 833 1713 17.0 11.0 68 6.0 13.2 295 4 305.7 307.6 293.2 335.6 9.95 7 700 3172 6.6 5.5 93 1.1 5.9 335 6 309.8 311.3 293.0 334.7 8.12 8 681 3397 4.8 3.8 93 1.0 4.2 317 9 310.2 311.6 292.5 333.0 7.40 9 625 4093 0.8 -2.2 80 3.0 -0.7 291 14 313.4 314.4 291.6 329.8 5.21 10 611 4275 0.4 -12.6 37 13.0 -4.8 276 11 314.9 315.4 289.6 322.7 2.37 11 599 4434 0.4 -13.6 34 14.0 -5.1 270 11 316.7 317.2 290.0 324.1 2.23 12 569 4845 -2.7 -13.7 42 11.0 -7.0 259 12 317.8 318.2 290.4 325.5 2.33 13 541 5244 -4.7 -37.7 6 33.0 -11.6 255 11 320.0 320.1 289.0 321.0 0.28 14 500 5860 -9.3 -30.3 16 21.0 -14.3 310 13 321.7 321.8 289.9 323.9 0.62 15 492 5984 -9.9 -38.9 7 29.0 -15.4 307 15 322.5 322.5 289.8 323.5 0.27 16 416 7251 -20.3 -31.3 37 11.0 -22.5 233 24 324.9 325.1 291.0 327.4 0.67 17 409 7376 -21.3 -28.3 53 7.0 -22.8 231 29 325.2 325.4 291.3 328.5 0.91 18 400 7540 -21.7 -24.1 81 2.4 -22.3 235 42 326.8 327.1 292.2 331.6 1.36 19 389 7745 -23.3 -24.3 91 1.0 -23.5 236 47 327.3 327.6 292.3 332.1 1.38 20 364 8228 -25.5 -34.5 43 9.0 -27.0 240 60 330.6 330.8 292.4 332.7 0.56 21 351 8491 -27.5 -34.5 51 7.0 -28.6 244 69 331.4 331.5 292.7 333.6 0.58 22 346 8594 -27.9 -45.9 16 18.0 -29.9 245 72 332.2 332.3 292.5 332.9 0.18 23 300 9600 -36.3 -45.3 39 9.0 -37.1 255 84 334.2 334.3 293.1 335.1 0.22 24 299 9623 -36.5 -44.5 43 8.0 -37.2 255 84 334.2 334.3 293.1 335.2 0.24 25 289 9859 -38.1 -50.1 27 12.0 -38.9 257 84 335.2 335.3 293.3 335.8 0.14 26 280 10077 -38.5 -62.5 6 24.0 -39.6 260 87 337.7 337.7 293.8 337.8 0.03 27 259 10611 -41.5 -63.5 7 22.0 -42.3 274 93 340.9 340.9 294.6 341.0 0.03 28 257 10663 -42.0 -56.5 19 14.5 -42.7 275 94 340.9 340.9 294.6 341.2 0.07 29 255 10716 -42.5 -49.5 46 7.0 -42.9 276 93 340.9 341.0 294.7 341.6 0.16 30 250 10850 -43.5 -49.5 51 6.0 -43.9 280 89 341.4 341.4 294.8 342.1 0.17 31 246 10958 -43.9 -48.1 63 4.2 -44.2 276 93 342.4 342.4 295.1 343.2 0.20 32 244 11012 -44.1 -48.7 60 4.6 -44.4 276 93 342.9 342.9 295.2 343.6 0.19 33 226 11520 -48.5 -51.4 72 2.9 -48.6 285 87 343.7 343.8 295.4 344.4 0.15 34 220 11695 -49.7 -53.3 66 3.6 -49.8 285 87 344.5 344.6 295.5 345.1 0.12 35 216 11815 -50.5 -61.5 26 11.0 -50.8 285 88 345.1 345.1 295.6 345.3 0.05 36 209 12028 -52.3 -63.3 25 11.0 -52.6 285 88 345.6 345.6 295.7 345.7 0.04 37 202 12247 -54.3 -63.3 32 9.0 -54.5 285 88 345.8 345.8 295.7 346.0 0.04 38 200 12310 -54.7 -61.7 42 7.0 -54.9 285 88 346.1 346.2 295.8 346.3 0.05 39 194 12504 -56.1 -58.0 79 1.9 -56.2 285 88 346.9 347.0 296.0 347.3 0.08 40 191 12603 -57.1 -65.1 36 8.0 -57.2 285 89 346.9 346.9 296.0 347.0 0.03 41 188 12704 -57.5 -66.5 31 9.0 -57.6 285 89 347.8 347.8 296.2 347.9 0.03 42 179 13012 -60.1 -72.1 19 12.0 -60.2 281 86 348.5 348.5 296.3 348.5 0.01 43 156 13860 -65.1 -78.1 15 13.0 -65.2 263 78 353.9 353.9 297.5 354.0 0.01 44 150 14100 -64.5 -81.5 8 17.0 -64.6 260 84 359.0 359.0 298.5 359.0 0.00 45 130 14965 -66.7 -85.7 5 19.0 -66.8 252 76 370.0 370.0 300.6 370.0 0.00 46 101 16471 -70.1 -88.1 5 18.0 -70.2 250 54 391.2 391.2 304.0 391.2 0.00 47 100 16530 -70.1 -87.1 7 17.0 -70.2 250 52 392.3 392.3 304.1 392.3 0.00 48 77 18066 -75.9 -88.9 11 13.0 -75.9 285 41 410.7 410.7 306.6 410.7 0.00 49 70 18620 -73.9 -89.9 7 16.0 -74.0 295 23 426.3 426.3 308.4 426.3 0.00 50 58 19733 -67.9 -89.9 3 22.0 -68.1 286 19 463.4 463.4 312.1 463.4 0.00 51 57 19838 -68.3 -90.3 3 22.0 -68.5 294 17 464.8 464.8 312.2 464.8 0.00 52 51 20517 -60.7 -88.7 1 28.0 -61.2 250 15 497.6 497.6 314.8 497.6 0.00 53 50 20640 -60.9 -87.9 2 27.0 -61.4 160 14 500.0 500.0 314.9 500.0 0.00 54 48 20895 -59.9 -87.9 1 28.0 -60.5 205 12 508.2 508.2 315.5 508.2 0.00 55 45 21299 -61.3 -88.3 2 27.0 -61.9 313 3 514.3 514.3 315.9 514.3 0.00 56 30 23870 -53.3 -85.3 1 32.0 -55.2 110 11 599.3 599.3 320.6 599.4 0.01 57 24 25322 -48.7 -82.7 1 34.0 -52.1 117 16 652.2 652.2 322.8 652.3 0.02 TRP 77 18066 -75.9 -88.9 11 13.0 -75.9 285 41 410.7 410.7 306.6 410.7 0.00 WND 257 10663 -42.0 -56.5 19 14.5 -42.7 275 94 340.9 340.9 294.6 341.2 0.07 Sounding variables and indices 1000-500 mb thick: 5731.00 m Freezing level: 595.13 mb = 4487.45 m = 14722.44 ft Wetbulb zero: 633.34 mb = 3985.52 m = 13075.68 ft Precipitable water: 1.24 inches Sfc-500 mean rel hum: 64.33 % Est. max temperature: 26.89 C = 80.40 F Sfc-Lift cond lev (LCL): 901.82 mb = 1032.64 m = 3387.90 ft T: 17.76 C 700-500 lapse rate: 5.92 C/km ThetaE index: 21.99 C Layer 833.0- 599.0 mb Conv cond level (CCL): 794.29 mb = 2111.77 m = 6928.28 ft Mean mixing ratio: 12.88 g/kg Conv temperature: 26.01 C = 78.82 F Cap Strength: 2.33 C Lifted Index: -2.93 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.80 C Lifted Index @700 mb: -1.39 C Showalter Index: -4.34 C Risk: Severe thunderstorms possible Total Totals Index: 51.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 25.40 C K Index: 41.30 Risk: > 80 % chance of thunderstorms Sweat Index: 266.20 Risk: None Energy Index: -4.06 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 813.25 J/kg Max Up Vert Vel: 40.33 m/s Conv Inhibition (B-): 45.33 J/kg Cap Strength: 2.29 C Lift Cond Lev (LCL): 841.54 mb = 1625.47 m = 5332.85 ft Lev Free Conv (LFC): 746.54 mb = 2631.98 m = 8635.01 ft Equ Level (EL): 266.54 mb = 10414.21 m = 34166.93 ft B at Equ Level: 810.32 J/kg Max Parcel Lev (MPL): 146.54 mb = 14241.09 m = 46722.15 ft Wind level data Storm motion: 322 at 8 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 ---------------------------------------------------------- 0 915 908 100 3 -3.0 0.5 | 130 10 -7.7 6.6 1 882 1219 25 10 -4.2 -9.1 | 71 9 -9.0 -3.0 2 850 1540 295 3 2.7 -1.3 | 157 5 -2.0 4.8 3 792 2134 295 6 5.4 -2.5 | 191 4 0.7 3.5 4 764 2438 325 5 2.9 -4.1 | 136 3 -1.9 1.9 5 700 3172 335 6 2.5 -5.4 | 105 2 -2.2 0.6 6 659 3658 295 12 10.9 -5.1 | 261 6 6.1 1.0 7 634 3962 300 16 13.9 -8.0 | 282 9 9.1 -2.0 8 610 4267 275 11 11.0 -1.0 | 231 8 6.2 5.1 9 587 4572 265 12 12.0 1.0 | 225 10 7.2 7.1 10 544 5182 250 11 10.3 3.8 | 210 11 5.6 9.8 11 504 5791 310 10 7.7 -6.4 | 278 3 2.9 -0.4 12 500 5860 310 13 10.0 -8.4 | 294 6 5.2 -2.3 13 485 6096 305 17 13.9 -9.8 | 292 10 9.2 -3.7 14 465 6401 300 17 14.7 -8.5 | 284 10 10.0 -2.5 15 447 6706 260 17 16.7 3.0 | 233 15 12.0 9.0 16 412 7315 230 25 19.2 16.1 | 213 26 14.4 22.1 17 400 7540 235 42 34.4 24.1 | 225 42 29.6 30.1 18 363 8230 240 60 52.0 30.0 | 233 59 47.2 36.0 19 348 8534 245 71 64.3 30.0 | 239 70 59.6 36.0 20 300 9600 255 84 81.1 21.7 | 250 81 76.4 27.8 21 293 9754 255 83 80.2 21.5 | 250 80 75.4 27.5 22 281 10058 260 87 85.7 15.1 | 255 84 80.9 21.1 23 257 10663 275 94 93.6 -8.2 | 271 89 88.9 -2.2 24 250 10850 280 89 87.6 -15.5 | 276 83 82.9 -9.4 25 245 10973 275 94 93.6 -8.2 | 271 89 88.9 -2.2 26 234 11278 285 87 84.0 -22.5 | 282 81 79.3 -16.5 27 200 12310 285 88 85.0 -22.8 | 282 82 80.2 -16.7 28 185 12802 285 89 86.0 -23.0 | 282 83 81.2 -17.0 29 160 13716 265 75 74.7 6.5 | 260 71 70.0 12.6 30 150 14100 260 84 82.7 14.6 | 255 81 78.0 20.6 31 137 14630 255 86 83.1 22.3 | 250 83 78.3 28.3 32 124 15240 250 68 63.9 23.3 | 244 66 59.1 29.3 33 112 15850 245 77 69.8 32.5 | 239 76 65.0 38.6 34 100 16530 250 52 48.9 17.8 | 242 50 44.1 23.8 35 96 16764 250 52 48.9 17.8 | 242 50 44.1 23.8 36 87 17374 265 36 35.9 3.1 | 254 32 31.1 9.2 37 82 17678 285 29 28.0 -7.5 | 274 23 23.2 -1.5 38 77 18066 285 41 39.6 -10.6 | 277 35 34.8 -4.6 39 74 18288 280 41 40.4 -7.1 | 272 36 35.6 -1.1 40 70 18593 275 34 33.9 -3.0 | 264 29 29.1 3.1 41 70 18620 295 23 20.8 -9.7 | 283 16 16.1 -3.7 42 67 18898 305 26 21.3 -14.9 | 298 19 16.5 -8.9 43 64 19202 265 37 36.9 3.2 | 254 33 32.1 9.3 44 60 19507 250 29 27.3 9.9 | 235 28 22.5 16.0 45 57 19812 295 17 15.4 -7.2 | 276 11 10.6 -1.1 46 55 20117 285 14 13.5 -3.6 | 255 9 8.8 2.4 47 52 20422 325 15 8.6 -12.3 | 328 7 3.8 -6.3 48 50 20640 160 14 -4.8 13.2 | 154 21 -9.6 19.2 49 49 20726 270 11 11.0 -0.0 | 226 9 6.2 6.0 50 47 21031 155 12 -5.1 10.9 | 150 20 -9.8 16.9 51 45 21336 330 2 1.0 -1.7 | 139 6 -3.8 4.3 52 43 21641 35 10 -5.7 -8.2 | 78 11 -10.5 -2.2 53 39 22250 65 15 -13.6 -6.3 | 89 18 -18.4 -0.3 54 37 22555 45 11 -7.8 -7.8 | 82 13 -12.5 -1.7 55 34 23165 55 10 -8.2 -5.7 | 91 13 -13.0 0.3 56 30 23774 115 10 -9.1 4.2 | 127 17 -13.8 10.3 57 30 23870 110 11 -10.3 3.8 | 123 18 -15.1 9.8 58 28 24079 105 14 -13.5 3.6 | 118 21 -18.3 9.7 59 26 24384 110 12 -11.3 4.1 | 122 19 -16.0 10.1 60 24 24689 110 15 -14.1 5.1 | 121 22 -18.9 11.2 61 23 24994 145 18 -10.3 14.7 | 144 26 -15.1 20.8 62 21 25298 105 21 -20.3 5.4 | 115 28 -25.0 11.5 63 18 25908 85 26 -25.9 -2.3 | 97 31 -30.7 3.8 64 14 26822 70 19 -17.9 -6.5 | 89 23 -22.6 -0.5 Wind Parameters Mean winds (0-6000m): 291.7 at 10.3 knts Storm direction: 321.7 at 7.7 knts Shear (0-3000m) pos: 0.6 neg: 3.2 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 148.9 deg Storm rel helicity (0-3000m) pos: 10.3 neg: -33.3 tot: -23.0 m^2/s^2 ave: -7.7 10^-3 m/s^2 rel: -0.22 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -1.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 37.59 Bulk Shear: 21.63 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 25 7 88 8| 0.0 8.3 8.3| 2.1 -29.6 -27.5 -54.9 -0.43| 19.9 -8.5 1000 1 6 96 5| 0.0 4.0 4.0| 5.5 -29.6 -24.1 -24.1 -0.18| 12.7 -2.3 1500 335 6 112 3| 0.8 2.7 3.5| 6.4 -31.2 -24.8 -16.5 -0.20| 9.8 -2.0 2000 333 5 117 3| 0.9 2.0 2.9| 6.4 -31.9 -25.5 -12.7 -0.23| 7.6 -1.7 2500 332 6 116 2| 0.7 2.4 3.1| 6.4 -32.5 -26.0 -10.4 -0.30| 7.1 -2.1 3000 320 7 157 1| 0.6 3.2 3.8| 10.3 -33.3 -23.0 -7.7 -0.22| 7.3 -1.6 4000 301 8 232 3| 0.4 2.1 2.6| 10.3 -55.6 -45.3 -11.3 -0.35| 6.9 -2.4 5000 294 9 233 4| 1.5 1.7 3.2| 24.2 -58.3 -34.1 -6.8 -0.17| 7.1 -1.2 6000 292 10 245 5| 1.2 2.7 3.9| 24.2-106.0 -81.8 -13.6 -0.29| 7.7 -2.2 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250419.00.gif