UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 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 119 1 925 802 SFC 914 908 19.8 17.8 88 2.0 18.4 100 3 300.6 303.2 294.8 342.2 14.17 3 869 1339 16.0 16.0 100 0.0 16.0 3 5 301.0 303.4 294.3 340.0 13.28 4 858 1447 16.8 15.0 89 1.8 15.6 338 6 302.9 305.3 294.4 340.3 12.60 5 850 1527 16.6 14.7 89 1.9 15.3 320 6 303.5 305.8 294.4 340.6 12.47 6 731 2798 8.8 7.5 92 1.3 8.0 7 4 308.4 310.1 293.2 335.6 8.94 7 700 3157 6.8 3.6 80 3.2 5.0 275 1 310.0 311.4 292.2 331.9 7.10 8 684 3347 5.6 1.8 76 3.8 3.5 266 2 310.7 311.9 291.9 330.5 6.38 9 646 3814 4.0 -10.0 35 14.0 -2.0 243 4 314.0 314.6 289.7 323.0 2.77 10 623 4108 1.8 -8.2 47 10.0 -2.6 229 5 314.8 315.4 290.4 325.5 3.31 11 579 4697 -0.5 -17.5 26 17.0 -6.6 272 13 318.8 319.1 290.1 324.4 1.67 12 500 5850 -10.5 -20.5 44 10.0 -13.5 270 15 320.2 320.5 290.4 325.3 1.50 13 456 6549 -16.7 -22.7 60 6.0 -18.3 250 27 321.0 321.3 290.5 325.7 1.35 14 427 7038 -19.7 -25.7 59 6.0 -21.1 245 37 323.3 323.5 290.9 327.2 1.10 15 408 7374 -21.5 -34.5 30 13.0 -23.8 252 59 325.2 325.3 290.9 327.0 0.50 16 404 7447 -20.9 -37.9 20 17.0 -23.6 254 63 326.9 327.0 291.2 328.2 0.36 17 401 7502 -20.3 -25.1 65 4.8 -21.5 255 67 328.4 328.6 292.4 332.8 1.24 18 400 7520 -20.3 -25.0 66 4.7 -21.5 255 68 328.6 328.9 292.6 333.1 1.26 19 385 7803 -21.9 -23.9 84 2.0 -22.4 254 66 330.1 330.4 293.1 335.2 1.44 20 376 7977 -21.9 -26.9 64 5.0 -23.1 251 72 332.4 332.6 293.4 336.4 1.12 21 338 8754 -28.3 -36.3 46 8.0 -29.5 252 74 333.9 334.0 293.3 335.8 0.51 22 333 8861 -28.9 -32.8 69 3.9 -29.6 253 73 334.5 334.7 293.6 337.2 0.73 23 300 9600 -34.7 -36.8 81 2.1 -35.0 265 74 336.5 336.6 294.0 338.5 0.54 24 271 10298 -40.7 -42.5 83 1.8 -40.9 257 80 337.7 337.7 294.1 339.0 0.33 25 268 10374 -41.1 -45.6 62 4.5 -41.5 256 80 338.2 338.2 294.1 339.1 0.24 26 250 10840 -45.3 -48.9 67 3.6 -45.5 250 84 338.7 338.8 294.2 339.4 0.18 27 241 11084 -47.3 -52.0 58 4.7 -47.5 249 83 339.3 339.3 294.3 339.8 0.13 28 237 11194 -47.9 -51.9 63 4.0 -48.1 248 81 340.0 340.0 294.4 340.6 0.13 29 215 11831 -51.7 -60.7 33 9.0 -52.0 241 83 343.7 343.7 295.3 343.9 0.05 30 212 11923 -51.3 -71.3 7 20.0 -51.7 239 86 345.7 345.7 295.7 345.8 0.01 31 206 12109 -51.9 -71.9 7 20.0 -52.2 236 93 347.6 347.6 296.1 347.7 0.01 32 202 12236 -52.5 -60.5 37 8.0 -52.7 239 97 348.6 348.6 296.4 348.9 0.05 33 200 12300 -52.9 -61.9 33 9.0 -53.1 245 99 349.0 349.0 296.4 349.2 0.05 34 196 12430 -53.8 -67.1 18 13.3 -54.1 245 100 349.5 349.5 296.5 349.6 0.02 35 189 12663 -55.5 -76.5 6 21.0 -55.8 245 97 350.5 350.5 296.7 350.5 0.01 36 160 13711 -61.1 -74.1 16 13.0 -61.2 245 79 358.1 358.1 298.4 358.2 0.01 37 159 13750 -61.5 -72.5 22 11.0 -61.6 245 79 358.1 358.1 298.3 358.2 0.01 38 150 14110 -62.7 -80.7 7 18.0 -62.9 255 77 362.1 362.1 299.1 362.1 0.00 39 109 16036 -71.3 -87.3 8 16.0 -71.3 246 72 380.5 380.5 302.3 380.5 0.00 40 100 16540 -75.1 -87.1 14 12.0 -75.2 250 76 382.6 382.6 302.6 382.6 0.00 41 97 16717 -76.3 -88.3 13 12.0 -76.3 250 71 383.6 383.6 302.8 383.6 0.00 42 85 17482 -75.9 -88.9 11 13.0 -75.9 240 49 399.2 399.2 305.1 399.2 0.00 43 81 17765 -70.5 -88.5 5 18.0 -70.6 251 35 415.8 415.8 307.2 415.8 0.00 44 71 18538 -76.7 -89.7 11 13.0 -76.7 255 24 418.6 418.6 307.6 418.6 0.00 45 70 18620 -76.7 -89.7 11 13.0 -76.7 255 26 420.3 420.3 307.7 420.3 0.00 46 63 19239 -67.9 -89.9 3 22.0 -68.1 223 27 452.6 452.6 311.1 452.6 0.00 47 57 19846 -63.7 -88.7 2 25.0 -64.0 248 14 475.2 475.2 313.1 475.2 0.00 48 50 20650 -62.9 -88.9 2 26.0 -63.3 360 10 495.3 495.3 314.6 495.3 0.00 49 46 21168 -58.9 -86.9 2 28.0 -59.6 317 7 516.9 516.9 316.1 516.9 0.00 50 40 22041 -60.1 -87.1 2 27.0 -60.8 207 3 534.9 534.9 317.2 535.0 0.00 51 37 22531 -56.7 -86.7 1 30.0 -57.8 124 11 555.7 555.7 318.4 555.7 0.01 52 30 23860 -56.5 -86.5 1 30.0 -57.9 105 17 590.6 590.6 320.2 590.7 0.01 53 27 24531 -55.1 -85.1 1 30.0 -56.8 98 18 612.6 612.6 321.2 612.7 0.01 TRP 97 16717 -76.3 -88.3 13 12.0 -76.3 250 71 383.6 383.6 302.8 383.6 0.00 WND 196 12430 -53.8 -67.1 18 13.3 -54.1 245 100 349.5 349.5 296.5 349.6 0.02 Sounding variables and indices 1000-500 mb thick: 5731.00 m Freezing level: 588.57 mb = 4568.78 m = 14989.24 ft Wetbulb zero: 659.74 mb = 3641.81 m = 11948.04 ft Precipitable water: 1.27 inches Sfc-500 mean rel hum: 63.69 % Est. max temperature: 26.04 C = 78.86 F Sfc-Lift cond lev (LCL): 887.69 mb = 1157.42 m = 3797.25 ft T: 17.60 C 700-500 lapse rate: 6.42 C/km ThetaE index: 17.59 C Layer 731.0- 623.0 mb Conv cond level (CCL): 817.46 mb = 1855.99 m = 6089.14 ft Mean mixing ratio: 12.87 g/kg Conv temperature: 23.92 C = 75.05 F Cap Strength: 1.22 C Lifted Index: -3.90 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.91 C Lifted Index @700 mb: -1.01 C Showalter Index: -3.96 C Risk: Severe thunderstorms possible Total Totals Index: 52.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 25.20 C K Index: 38.60 Risk: > 80 % chance of thunderstorms Sweat Index: 269.40 Risk: None Energy Index: -3.00 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 661.67 J/kg Max Up Vert Vel: 36.38 m/s Conv Inhibition (B-): 19.05 J/kg Cap Strength: 1.22 C Lift Cond Lev (LCL): 845.99 mb = 1566.84 m = 5140.48 ft Lev Free Conv (LFC): 770.99 mb = 2349.27 m = 7707.49 ft Equ Level (EL): 230.99 mb = 11362.09 m = 37276.74 ft B at Equ Level: 651.57 J/kg Max Parcel Lev (MPL): 160.99 mb = 13672.03 m = 44855.20 ft Wind level data Storm motion: 306 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 ---------------------------------------------------------- 0 914 908 100 3 -3.0 0.5 | 119 11 -9.6 5.4 1 850 1527 320 6 3.9 -4.6 | 95 3 -2.8 0.2 2 820 1829 360 10 -0.0 -10.0 | 52 8 -6.7 -5.2 3 791 2134 355 12 1.0 -12.0 | 38 9 -5.6 -7.1 4 763 2438 10 9 -1.6 -8.9 | 64 9 -8.2 -4.0 5 709 3048 5 1 -0.1 -1.0 | 120 8 -6.8 3.8 6 700 3157 275 1 1.0 -0.1 | 130 7 -5.7 4.7 7 609 4267 220 6 3.9 4.6 | 163 10 -2.8 9.4 8 587 4572 260 12 11.8 2.1 | 217 9 5.1 6.9 9 565 4877 295 15 13.6 -6.3 | 282 7 6.9 -1.5 10 500 5850 270 15 15.0 -0.0 | 240 10 8.3 4.8 11 484 6096 275 15 14.9 -1.3 | 247 9 8.3 3.5 12 446 6706 240 31 26.8 15.5 | 225 29 20.2 20.3 13 428 7010 245 36 32.6 15.2 | 232 33 25.9 20.0 14 400 7520 255 68 65.7 17.6 | 249 63 59.0 22.4 15 395 7620 260 57 56.1 9.9 | 253 52 49.5 14.7 16 378 7925 250 72 67.7 24.6 | 244 68 61.0 29.5 17 363 8230 255 70 67.6 18.1 | 249 65 60.9 22.9 18 348 8534 250 75 70.5 25.7 | 244 71 63.8 30.5 19 306 9449 260 70 68.9 12.2 | 255 65 62.3 17.0 20 300 9600 265 74 73.7 6.4 | 260 68 67.0 11.3 21 250 10840 250 84 78.9 28.7 | 245 80 72.3 33.6 22 245 10973 250 85 79.9 29.1 | 245 81 73.2 33.9 23 223 11582 245 74 67.1 31.3 | 239 70 60.4 36.1 24 203 12192 235 96 78.6 55.1 | 230 94 72.0 59.9 25 200 12300 245 99 89.7 41.8 | 241 95 83.0 46.7 26 196 12430 245 100 90.6 42.3 | 241 96 84.0 47.1 27 194 12497 245 100 90.6 42.3 | 241 96 84.0 47.1 28 152 14021 245 74 67.1 31.3 | 239 70 60.4 36.1 29 150 14110 255 77 74.4 19.9 | 250 72 67.7 24.8 30 138 14630 255 80 77.3 20.7 | 250 75 70.6 25.5 31 112 15850 245 70 63.4 29.6 | 239 66 56.8 34.4 32 100 16540 250 76 71.4 26.0 | 245 72 64.7 30.8 33 97 16717 250 71 66.7 24.3 | 244 67 60.0 29.1 34 96 16764 245 76 68.9 32.1 | 239 72 62.2 37.0 35 87 17374 235 54 44.2 31.0 | 226 52 37.6 35.8 36 78 17983 260 25 24.6 4.3 | 243 20 17.9 9.2 37 70 18593 255 24 23.2 6.2 | 236 20 16.5 11.0 38 70 18620 255 26 25.1 6.7 | 238 22 18.4 11.6 39 67 18898 255 26 25.1 6.7 | 238 22 18.4 11.6 40 64 19202 225 29 20.5 20.5 | 209 29 13.8 25.3 41 60 19507 215 20 11.5 16.4 | 193 22 4.8 21.2 42 57 19812 250 14 13.2 4.8 | 214 12 6.5 9.6 43 52 20422 220 12 7.7 9.2 | 184 14 1.0 14.0 44 50 20650 360 10 -0.0 -10.0 | 52 8 -6.7 -5.2 45 49 20726 10 10 -1.7 -9.8 | 59 10 -8.4 -5.0 46 41 21946 225 1 0.7 0.7 | 133 8 -6.0 5.5 47 35 22860 70 16 -15.0 -5.5 | 88 22 -21.7 -0.6 48 30 23774 100 22 -21.7 3.8 | 107 30 -28.3 8.7 49 30 23860 105 17 -16.4 4.4 | 112 25 -23.1 9.2 50 28 24079 85 18 -17.9 -1.6 | 98 25 -24.6 3.3 51 26 24384 105 18 -17.4 4.7 | 112 26 -24.1 9.5 52 24 24689 95 25 -24.9 2.2 | 103 32 -31.6 7.0 Wind Parameters Mean winds (0-6000m): 275.9 at 11.0 knts Storm direction: 305.9 at 8.2 knts Shear (0-3000m) pos: 0.8 neg: 1.9 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 38.4 deg Storm rel helicity (0-3000m) pos: 33.6 neg: -21.1 tot: 12.5 m^2/s^2 ave: 4.2 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 1.1 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 37.47 Bulk Shear: 17.66 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 3 4 95 7| 0.0 7.4 7.4| 0.0 -14.1 -14.1 -28.3 -0.65| 8.9 -5.7 1000 348 6 79 6| 2.7 3.7 6.4| 0.4 -17.9 -17.4 -17.4 -0.46| 9.2 -4.3 1500 354 8 65 7| 1.6 2.5 4.1| 8.9 -21.1 -12.3 -8.2 -0.27| 7.8 -2.1 2000 358 7 69 7| 1.2 1.4 2.6| 21.3 -21.1 0.2 0.1 -0.00| 7.5 -0.0 2500 356 6 78 6| 1.0 1.7 2.7| 29.2 -21.1 8.1 3.2 0.12| 6.9 0.8 3000 349 6 83 6| 0.8 1.9 2.7| 33.6 -21.1 12.5 4.2 0.18| 6.2 1.1 4000 315 7 97 2| 1.9 1.4 3.3| 72.7 -21.1 51.6 12.9 0.44| 7.1 3.1 5000 298 8 213 1| 1.5 1.6 3.1| 72.8 -33.1 39.7 7.9 0.30| 6.3 1.9 6000 276 11 229 6| 1.2 3.2 4.5| 95.8 -76.4 19.4 3.2 0.17| 7.5 1.2 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250419.12.gif