UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 20 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 145 1 925 817 SFC 915 908 15.4 14.1 92 1.3 14.6 100 4 296.0 298.0 291.2 328.0 11.12 3 850 1531 11.6 11.6 100 0.0 11.6 65 11 298.3 300.1 291.1 327.9 10.15 4 830 1730 10.6 10.6 100 0.0 10.6 58 12 299.3 301.1 291.0 327.7 9.72 5 812 1913 12.8 8.3 74 4.5 10.1 98 11 303.5 305.1 291.4 328.9 8.49 6 794 2102 12.8 0.8 44 12.0 6.4 193 7 305.5 306.4 289.0 321.1 5.11 7 764 2424 10.8 4.8 66 6.0 7.3 234 12 306.7 308.0 291.2 328.2 7.07 8 700 3150 8.0 -17.0 15 25.0 -1.3 240 15 311.3 311.6 287.5 316.1 1.44 9 698 3174 8.0 -17.0 15 25.0 -1.3 240 15 311.6 311.9 287.5 316.4 1.44 10 611 4253 0.6 -21.4 17 22.0 -6.5 235 22 315.2 315.4 288.4 319.0 1.13 11 532 5354 -2.9 -37.9 5 35.0 -10.6 243 27 323.7 323.8 290.2 324.7 0.27 12 500 5840 -6.9 -32.9 11 26.0 -13.0 260 32 324.6 324.7 290.7 326.4 0.48 13 417 7230 -18.1 -40.1 13 22.0 -21.6 263 42 327.5 327.6 291.3 328.6 0.28 14 400 7540 -20.5 -36.5 23 16.0 -23.2 265 47 328.3 328.4 291.7 329.9 0.42 15 360 8308 -27.5 -32.2 64 4.7 -28.3 258 52 329.0 329.2 292.2 331.6 0.71 16 349 8531 -29.1 -31.9 77 2.8 -29.6 251 56 329.8 329.9 292.4 332.5 0.76 17 325 9037 -31.7 -44.7 27 13.0 -33.0 239 68 333.0 333.0 292.7 333.8 0.22 18 300 9600 -33.9 -47.9 23 14.0 -35.1 235 87 337.6 337.6 293.9 338.3 0.17 19 290 9838 -34.9 -50.9 18 16.0 -36.1 236 91 339.5 339.5 294.3 340.0 0.12 20 263 10514 -39.9 -50.9 30 11.0 -40.6 239 102 341.8 341.8 294.8 342.3 0.14 21 250 10860 -40.5 -58.5 13 18.0 -41.4 240 101 345.9 345.9 295.8 346.1 0.06 22 249 10887 -40.7 -58.7 13 18.0 -41.6 240 101 346.0 346.0 295.8 346.2 0.06 23 206 12149 -51.3 -64.9 18 13.7 -51.6 245 108 348.6 348.7 296.4 348.8 0.03 24 200 12340 -52.9 -65.9 19 13.0 -53.2 245 107 349.0 349.0 296.4 349.1 0.03 25 175 13186 -59.7 -69.7 26 10.0 -59.8 251 96 351.4 351.4 297.0 351.5 0.02 26 165 13555 -57.7 -83.7 2 26.0 -57.9 255 89 360.7 360.7 298.8 360.7 0.00 27 150 14150 -61.5 -83.5 4 22.0 -61.7 260 78 364.1 364.1 299.5 364.1 0.00 28 118 15596 -72.3 -88.3 7 16.0 -72.3 263 61 370.1 370.1 300.6 370.1 0.00 29 101 16503 -75.5 -88.5 11 13.0 -75.5 265 50 380.8 380.8 302.3 380.8 0.00 30 100 16560 -75.7 -88.7 11 13.0 -75.7 265 49 381.5 381.5 302.5 381.5 0.00 31 96 16795 -76.9 -88.9 13 12.0 -76.9 270 47 383.6 383.6 302.8 383.6 0.00 32 81 17767 -78.9 -89.9 15 11.0 -78.9 265 48 398.6 398.6 305.0 398.6 0.00 33 77 18059 -74.1 -89.1 8 15.0 -74.2 249 40 414.4 414.4 307.0 414.4 0.00 34 71 18528 -76.9 -89.9 11 13.0 -76.9 234 17 418.2 418.2 307.5 418.2 0.00 35 70 18610 -76.5 -90.5 9 14.0 -76.6 290 14 420.7 420.7 307.8 420.7 0.00 36 64 19142 -66.1 -90.1 2 24.0 -66.3 290 26 454.5 454.5 311.3 454.5 0.00 37 61 19435 -65.3 -89.3 2 24.0 -65.5 5 15 462.5 462.5 312.0 462.5 0.00 38 55 20065 -66.7 -88.7 3 22.0 -66.9 306 11 473.2 473.2 312.9 473.2 0.00 39 50 20650 -61.9 -87.9 2 26.0 -62.4 35 10 497.6 497.6 314.8 497.6 0.00 40 44 21447 -58.5 -87.5 1 29.0 -59.3 61 5 524.4 524.5 316.6 524.5 0.00 41 41 21890 -59.1 -87.1 1 28.0 -59.9 46 14 533.7 533.7 317.2 533.7 0.00 42 30 23870 -54.1 -85.1 1 31.0 -55.8 95 19 597.2 597.2 320.5 597.2 0.01 43 29 24088 -53.7 -84.7 1 31.0 -55.6 95 13 604.1 604.1 320.8 604.1 0.01 44 24 25305 -53.9 -84.9 1 31.0 -56.0 89 16 637.1 637.1 322.2 637.2 0.01 45 21 26176 -47.1 -81.1 1 34.0 -51.4 72 22 682.4 682.4 323.9 682.6 0.03 46 20 26500 -46.1 -81.1 1 35.0 -50.8 80 26 695.1 695.1 324.3 695.3 0.03 47 16 27991 -43.9 -79.9 1 36.0 -50.3 72 23 748.1 748.1 325.9 748.4 0.04 48 15 28423 -45.5 -80.5 1 35.0 -51.4 72 23 756.7 756.7 326.1 757.0 0.04 TRP 96 16795 -76.9 -88.9 13 12.0 -76.9 270 47 383.6 383.6 302.8 383.6 0.00 WND 206 12149 -51.3 -64.9 18 13.7 -51.6 245 108 348.6 348.7 296.4 348.8 0.03 Sounding variables and indices 1000-500 mb thick: 5695.00 m Freezing level: 597.46 mb = 4441.48 m = 14571.60 ft Wetbulb zero: 709.43 mb = 3038.94 m = 9970.16 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 37.38 % Est. max temperature: 25.79 C = 78.42 F Sfc-Lift cond lev (LCL): 897.61 mb = 1070.20 m = 3511.11 ft T: 14.41 C 700-500 lapse rate: 5.54 C/km ThetaE index: 12.08 C Layer 700.0- 698.0 mb Conv cond level (CCL): 854.06 mb = 1490.69 m = 4890.65 ft Mean mixing ratio: 10.26 g/kg Conv temperature: 17.52 C = 63.54 F Cap Strength: 6.16 C Lifted Index: 5.33 C Risk: None Lifted Index @300 mb: 7.68 C Lifted Index @700 mb: 4.41 C Showalter Index: 5.38 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 18.50 C Cross Totals Index: 18.50 C K Index: 5.10 Risk: None Sweat Index: 193.20 Risk: None Energy Index: -0.19 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.20 J/kg Max Up Vert Vel: 6.36 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 6.07 C Lift Cond Lev (LCL): 854.92 mb = 1482.19 m = 4862.79 ft Lev Free Conv (LFC): 849.92 mb = 1531.78 m = 5025.47 ft Equ Level (EL): 829.92 mb = 1730.65 m = 5677.91 ft B at Equ Level: 18.99 J/kg Max Parcel Lev (MPL): 799.92 mb = 2039.23 m = 6690.29 ft Wind level data Storm motion: 277 at 16 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 4 -3.9 0.7 | 98 20 -20.1 2.7 1 914 914 120 10 -8.7 5.0 | 106 26 -24.8 7.0 2 850 1531 65 11 -10.0 -4.6 | 84 26 -26.1 -2.7 3 820 1829 55 13 -10.6 -7.5 | 78 27 -26.8 -5.5 4 791 2134 210 6 3.0 5.2 | 119 15 -13.1 7.2 5 762 2438 235 12 9.8 6.9 | 145 11 -6.3 8.9 6 735 2743 240 18 15.6 9.0 | 177 11 -0.5 11.0 7 700 3150 240 15 13.0 7.5 | 162 10 -3.1 9.5 8 657 3658 230 21 16.1 13.5 | 180 15 -0.0 15.5 9 609 4267 235 22 18.0 12.6 | 187 15 1.9 14.6 10 564 4877 250 20 18.8 6.8 | 197 9 2.7 8.8 11 543 5182 235 25 20.5 14.3 | 195 17 4.4 16.3 12 503 5791 265 32 31.9 2.8 | 253 16 15.8 4.8 13 500 5840 260 32 31.5 5.6 | 244 17 15.4 7.5 14 483 6096 260 34 33.5 5.9 | 246 19 17.4 7.9 15 429 7010 260 46 45.3 8.0 | 251 31 29.2 10.0 16 412 7315 265 40 39.8 3.5 | 257 24 23.7 5.5 17 400 7540 265 47 46.8 4.1 | 259 31 30.7 6.1 18 379 7925 265 51 50.8 4.4 | 259 35 34.7 6.4 19 363 8230 260 51 50.2 8.9 | 252 36 34.1 10.8 20 334 8839 240 62 53.7 31.0 | 229 50 37.6 33.0 21 300 9600 235 87 71.3 49.9 | 227 76 55.1 51.9 22 257 10668 240 105 90.9 52.5 | 234 93 74.8 54.5 23 250 10860 240 101 87.5 50.5 | 234 89 71.3 52.5 24 206 12149 245 108 97.9 45.6 | 240 95 81.8 47.6 25 200 12340 245 107 97.0 45.2 | 240 94 80.9 47.2 26 195 12497 245 108 97.9 45.6 | 240 95 81.8 47.6 27 150 14150 260 78 76.8 13.5 | 256 63 60.7 15.5 28 100 16560 265 49 48.8 4.3 | 259 33 32.7 6.3 29 97 16764 265 51 50.8 4.4 | 259 35 34.7 6.4 30 96 16795 270 47 47.0 -0.0 | 266 31 30.9 2.0 31 87 17374 285 53 51.2 -13.7 | 288 37 35.1 -11.7 32 78 17983 255 46 44.4 11.9 | 244 32 28.3 13.9 33 74 18288 230 24 18.4 15.4 | 187 18 2.3 17.4 34 70 18593 235 15 12.3 8.6 | 160 11 -3.8 10.6 35 70 18610 290 14 13.2 -4.8 | 47 4 -3.0 -2.8 36 67 18898 290 14 13.2 -4.8 | 47 4 -3.0 -2.8 37 63 19202 290 28 26.3 -9.6 | 307 13 10.2 -7.6 38 60 19507 25 11 -4.6 -10.0 | 69 22 -20.8 -8.0 39 55 20117 300 11 9.5 -5.5 | 62 7 -6.6 -3.5 40 52 20422 295 11 10.0 -4.6 | 67 7 -6.2 -2.7 41 50 20650 35 10 -5.7 -8.2 | 74 23 -21.9 -6.2 42 49 20726 255 14 13.5 3.6 | 155 6 -2.6 5.6 43 47 21031 35 10 -5.7 -8.2 | 74 23 -21.9 -6.2 44 45 21336 65 2 -1.8 -0.8 | 94 18 -17.9 1.1 45 41 21946 45 15 -10.6 -10.6 | 72 28 -26.7 -8.6 46 39 22250 20 10 -3.4 -9.4 | 69 21 -19.5 -7.4 47 37 22555 105 1 -1.0 0.3 | 97 17 -17.1 2.2 48 35 22860 140 11 -7.1 8.4 | 114 25 -23.2 10.4 49 34 23165 120 20 -17.3 10.0 | 110 36 -33.4 12.0 50 30 23774 80 11 -10.8 -1.9 | 90 27 -27.0 0.1 51 30 23870 95 19 -18.9 1.7 | 96 35 -35.1 3.6 52 29 24079 95 13 -13.0 1.1 | 96 29 -29.1 3.1 53 25 24994 80 18 -17.7 -3.1 | 88 34 -33.9 -1.1 54 24 25298 90 16 -16.0 0.0 | 94 32 -32.1 2.0 55 22 25908 65 18 -16.3 -7.6 | 80 33 -32.4 -5.6 56 20 26500 80 26 -25.6 -4.5 | 87 42 -41.7 -2.5 57 20 26518 80 25 -24.6 -4.3 | 87 41 -40.7 -2.4 58 15 27432 70 23 -21.6 -7.9 | 81 38 -37.7 -5.9 59 13 28042 90 29 -29.0 0.0 | 93 45 -45.1 2.0 60 12 28346 70 26 -24.4 -8.9 | 80 41 -40.6 -6.9 61 11 28651 85 20 -19.9 -1.7 | 90 36 -36.0 0.2 Wind Parameters Mean winds (0-6000m): 247.0 at 21.7 knts Storm direction: 277.0 at 16.2 knts Shear (0-3000m) pos: 4.7 neg: 0.8 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 85.3 deg Storm rel helicity (0-3000m) pos: 183.2 neg: -83.4 tot: 99.8 m^2/s^2 ave: 33.3 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 11.1 stream: 3.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.16 Bulk Shear: 127.55 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 97 10 97 27| 0.0 7.5 7.5| 12.3 -45.7 -33.4 -66.8 -0.35| 13.2 -4.6 1000 79 11 90 27| 1.9 3.8 5.7| 71.6 -77.7 -6.1 -6.1 -0.03| 13.3 -0.3 1500 88 10 93 26| 7.5 2.5 10.0|150.8 -77.7 73.1 48.7 0.29| 16.8 4.9 2000 155 12 121 24| 7.0 1.9 8.9|168.7 -79.6 89.1 44.5 0.35| 14.5 5.1 2500 214 13 144 15| 5.6 1.3 6.9|174.6 -83.4 91.2 36.5 0.34| 12.5 4.2 3000 223 14 151 14| 4.7 0.8 5.4|183.2 -83.4 99.8 33.3 0.35| 11.1 3.9 4000 232 16 162 12| 3.6 0.6 4.1|194.4 -83.4 111.0 27.8 0.36| 9.2 3.3 5000 239 18 177 11| 3.5 0.6 4.1|258.4 -91.9 166.5 33.3 0.41| 9.8 4.0 6000 247 22 200 11| 2.9 1.3 4.3|273.7 -91.9 181.8 30.3 0.39| 9.2 3.6 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250420.12.gif