UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for SBCT... Searching the city database file for: SBCT ... Date:1200Z 26 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 114 1 925 792 SFC 912 908 16.4 15.8 96 0.6 16.0 50 3 297.3 299.5 292.6 333.4 12.47 3 874 1273 14.0 14.0 100 0.0 14.0 352 12 298.4 300.5 292.3 332.1 11.57 4 850 1511 14.0 13.3 96 0.7 13.6 360 13 300.8 302.9 292.9 334.2 11.37 5 834 1672 14.6 11.8 83 2.8 12.8 338 12 303.1 305.0 292.9 334.2 10.48 6 804 1981 13.4 8.4 72 5.0 10.3 320 11 305.0 306.6 292.0 330.9 8.64 7 741 2660 6.8 6.6 99 0.2 6.7 269 11 305.0 306.5 291.7 329.9 8.28 8 730 2784 10.2 -1.8 43 12.0 4.1 256 13 310.0 310.9 290.1 324.4 4.59 9 724 2853 10.2 -1.8 43 12.0 4.0 259 13 310.8 311.6 290.3 325.3 4.63 10 700 3133 8.8 -5.2 37 14.0 2.1 265 16 312.2 312.9 290.0 324.0 3.71 11 617 4164 2.4 -16.6 23 19.0 -4.6 254 17 316.4 316.7 289.3 322.0 1.69 12 599 4404 4.8 -38.2 3 43.0 -5.7 258 15 321.8 321.9 289.6 322.7 0.24 13 507 5741 -4.1 -36.1 6 32.0 -11.5 220 14 326.7 326.8 291.2 328.0 0.35 14 500 5850 -4.9 -36.9 6 32.0 -12.1 220 16 327.1 327.1 291.2 328.3 0.32 15 460 6498 -11.1 -38.1 9 27.0 -16.4 222 20 327.2 327.3 291.3 328.4 0.31 16 400 7560 -16.7 -49.7 4 33.0 -21.1 245 27 333.3 333.3 292.7 333.7 0.10 17 394 7674 -17.1 -50.1 4 33.0 -21.5 250 26 334.2 334.2 293.0 334.6 0.10 18 312 9374 -32.5 -56.5 7 24.0 -34.1 281 28 335.8 335.8 293.3 336.0 0.06 19 303 9580 -33.1 -63.1 3 30.0 -34.8 277 25 337.8 337.8 293.8 337.9 0.03 20 300 9650 -33.7 -62.7 4 29.0 -35.3 275 23 337.9 337.9 293.8 338.0 0.03 21 250 10900 -43.5 -67.5 5 24.0 -44.2 285 31 341.4 341.4 294.7 341.5 0.02 22 216 11864 -51.1 -69.1 10 18.0 -51.5 277 36 344.2 344.2 295.3 344.3 0.02 23 200 12360 -54.3 -70.3 12 16.0 -54.6 265 39 346.8 346.8 295.9 346.8 0.01 24 188 12753 -57.1 -77.1 6 20.0 -57.3 263 43 348.5 348.5 296.3 348.5 0.01 25 155 13951 -64.5 -78.5 13 14.0 -64.6 260 48 355.6 355.6 297.8 355.6 0.01 26 150 14150 -65.5 -79.5 13 14.0 -65.6 260 48 357.2 357.2 298.1 357.3 0.00 27 101 16502 -74.9 -87.9 12 13.0 -74.9 269 37 381.9 381.9 302.6 381.9 0.00 28 100 16560 -75.3 -87.3 14 12.0 -75.3 260 37 382.2 382.2 302.6 382.2 0.00 29 92 17040 -77.3 -88.3 16 11.0 -77.3 250 29 387.5 387.5 303.4 387.5 0.00 30 78 17998 -72.7 -88.7 7 16.0 -72.8 293 10 415.8 415.8 307.2 415.8 0.00 31 72 18465 -74.9 -89.9 8 15.0 -75.0 322 8 420.7 420.7 307.8 420.7 0.00 32 70 18630 -70.9 -89.9 4 19.0 -71.0 310 6 432.7 432.7 309.1 432.7 0.00 33 63 19249 -72.7 -90.7 5 18.0 -72.8 276 11 442.0 442.0 310.1 442.0 0.00 34 50 20630 -64.1 -89.1 2 25.0 -64.4 35 9 492.4 492.4 314.4 492.4 0.00 35 39 22169 -58.5 -87.5 1 29.0 -59.3 326 12 542.9 542.9 317.7 542.9 0.00 36 32 23405 -60.5 -87.5 2 27.0 -61.3 329 10 569.1 569.1 319.1 569.1 0.01 37 30 23810 -57.1 -87.1 1 30.0 -58.4 245 7 589.0 589.0 320.1 589.0 0.01 38 26 24727 -51.5 -84.5 1 33.0 -54.0 193 8 629.5 629.5 321.9 629.6 0.01 TRP 92 17040 -77.3 -88.3 16 11.0 -77.3 250 29 387.5 387.5 303.4 387.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5736.00 m Freezing level: 549.38 mb = 5124.90 m = 16813.77 ft Wetbulb zero: 674.27 mb = 3438.90 m = 11282.35 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 43.46 % Est. max temperature: 23.94 C = 75.10 F Sfc-Lift cond lev (LCL): 904.10 mb = 982.63 m = 3223.81 ft T: 15.91 C 700-500 lapse rate: 5.04 C/km ThetaE index: 9.85 C Layer 834.0- 724.0 mb Conv cond level (CCL): 789.85 mb = 2128.79 m = 6984.15 ft Mean mixing ratio: 11.20 g/kg Conv temperature: 23.93 C = 75.08 F Cap Strength: 6.07 C Lifted Index: 4.87 C Risk: None Lifted Index @300 mb: 4.54 C Lifted Index @700 mb: 3.36 C Showalter Index: 4.37 C Risk: None Total Totals Index: 37.10 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: 18.20 C K Index: 18.20 Risk: < 20 % chance of thunderstorms Sweat Index: 201.60 Risk: None Energy Index: -1.04 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.03 J/kg Max Up Vert Vel: 8.61 m/s Conv Inhibition (B-): 49.62 J/kg Cap Strength: 6.02 C Lift Cond Lev (LCL): 844.57 mb = 1565.15 m = 5134.95 ft Lev Free Conv (LFC): 749.57 mb = 2564.63 m = 8414.04 ft Equ Level (EL): 739.57 mb = 2676.38 m = 8780.66 ft B at Equ Level: 35.96 J/kg Max Parcel Lev (MPL): 709.57 mb = 3020.17 m = 9908.58 ft Wind level data Storm motion: 285 at 10 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 ---------------------------------------------------------- 0 912 908 50 3 -2.3 -1.9 | 93 12 -12.1 0.7 1 879 1219 350 12 2.1 -11.8 | 40 12 -7.7 -9.2 2 850 1511 360 13 -0.0 -13.0 | 43 14 -9.8 -10.4 3 849 1524 355 12 1.0 -12.0 | 43 13 -8.8 -9.3 4 818 1829 320 11 7.1 -8.4 | 25 6 -2.7 -5.8 5 789 2134 320 10 6.4 -7.7 | 34 6 -3.4 -5.0 6 761 2438 305 9 7.4 -5.2 | 44 4 -2.4 -2.5 7 733 2743 255 12 11.6 3.1 | 197 6 1.8 5.8 8 707 3048 265 16 15.9 1.4 | 237 7 6.1 4.0 9 700 3133 265 16 15.9 1.4 | 237 7 6.1 4.0 10 656 3658 245 12 10.9 5.1 | 188 8 1.1 7.7 11 632 3962 260 16 15.8 2.8 | 228 8 5.9 5.4 12 608 4267 250 17 16.0 5.8 | 216 10 6.2 8.5 13 586 4572 270 11 11.0 -0.0 | 204 3 1.2 2.6 14 523 5486 220 11 7.1 8.4 | 166 11 -2.7 11.1 15 500 5850 220 16 10.3 12.3 | 182 15 0.5 14.9 16 484 6096 225 17 12.0 12.0 | 189 15 2.2 14.7 17 447 6706 220 22 14.1 16.9 | 193 20 4.3 19.5 18 430 7010 240 21 18.2 10.5 | 212 16 8.4 13.1 19 413 7315 235 27 22.1 15.5 | 214 22 12.3 18.1 20 400 7560 245 27 24.5 11.4 | 226 20 14.7 14.1 21 380 7925 260 24 23.6 4.2 | 244 15 13.8 6.8 22 365 8230 265 25 24.9 2.2 | 252 16 15.1 4.8 23 322 9144 285 25 24.1 -6.5 | 285 15 14.3 -3.8 24 308 9449 280 29 28.6 -5.0 | 277 19 18.7 -2.4 25 300 9650 275 23 22.9 -2.0 | 267 13 13.1 0.6 26 296 9754 275 23 22.9 -2.0 | 267 13 13.1 0.6 27 250 10900 285 31 29.9 -8.0 | 285 21 20.1 -5.4 28 236 11278 290 32 30.1 -10.9 | 292 22 20.3 -8.3 29 200 12360 265 39 38.9 3.4 | 258 30 29.0 6.0 30 169 13411 260 49 48.3 8.5 | 254 40 38.4 11.2 31 150 14150 260 48 47.3 8.3 | 254 39 37.5 11.0 32 107 16154 260 43 42.3 7.5 | 253 34 32.5 10.1 33 102 16459 275 37 36.9 -3.2 | 271 27 27.0 -0.6 34 100 16560 260 37 36.4 6.4 | 251 28 26.6 9.1 35 97 16764 260 37 36.4 6.4 | 251 28 26.6 9.1 36 92 17040 250 29 27.3 9.9 | 234 21 17.4 12.6 37 92 17069 260 38 37.4 6.6 | 251 29 27.6 9.2 38 87 17374 235 17 13.9 9.8 | 198 13 4.1 12.4 39 82 17678 245 10 9.1 4.2 | 174 7 -0.8 6.9 40 74 18288 335 10 4.2 -9.1 | 41 9 -5.6 -6.4 41 70 18630 310 6 4.6 -3.9 | 77 5 -5.2 -1.2 42 67 18898 310 6 4.6 -3.9 | 77 5 -5.2 -1.2 43 64 19202 275 11 11.0 -1.0 | 214 2 1.1 1.7 44 60 19507 280 11 10.8 -1.9 | 234 1 1.0 0.7 45 57 19812 260 14 13.8 2.4 | 218 6 4.0 5.1 46 55 20117 240 1 0.9 0.5 | 109 9 -8.9 3.1 47 50 20630 35 9 -5.2 -7.4 | 72 16 -15.0 -4.7 48 49 20726 45 10 -7.1 -7.1 | 75 17 -16.9 -4.4 49 47 21031 265 12 12.0 1.0 | 210 4 2.1 3.7 50 45 21336 255 12 11.6 3.1 | 197 6 1.8 5.8 51 43 21641 355 10 0.9 -10.0 | 51 12 -8.9 -7.3 52 40 21946 345 14 3.6 -13.5 | 30 13 -6.2 -10.9 53 39 22250 320 12 7.7 -9.2 | 18 7 -2.1 -6.5 54 37 22555 345 18 4.7 -17.4 | 19 16 -5.2 -14.7 55 35 22860 325 11 6.3 -9.0 | 29 7 -3.5 -6.4 56 33 23165 305 2 1.6 -1.1 | 100 8 -8.2 1.5 57 32 23470 335 12 5.1 -10.9 | 30 9 -4.7 -8.2 58 30 23774 315 10 7.1 -7.1 | 32 5 -2.7 -4.4 59 30 23810 245 7 6.3 3.0 | 148 7 -3.5 5.6 60 22 24994 130 9 -6.9 5.8 | 117 19 -16.7 8.4 Wind Parameters Mean winds (0-6000m): 255.1 at 13.6 knts Storm direction: 285.1 at 10.2 knts Shear (0-3000m) pos: 0.3 neg: 2.9 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 126.9 deg Storm rel helicity (0-3000m) pos: 19.0 neg: -58.2 tot: -39.2 m^2/s^2 ave: -13.1 10^-3 m/s^2 rel: -0.13 Storm rel vorticity (0-3000m) horiz: 8.6 stream: -1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.87 Bulk Shear: 42.65 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 ------------------------------------------------------------------------------- 500 357 9 54 11| 0.0 11.4 11.4| 0.9 -38.5 -37.6 -75.2 -0.88| 13.3-11.7 1000 348 11 45 11| 0.0 5.7 5.7| 2.2 -46.6 -44.4 -44.4 -0.62| 11.5 -7.2 1500 337 10 40 9| 0.0 3.5 3.5| 4.1 -46.6 -42.5 -28.3 -0.49| 8.7 -4.3 2000 321 11 30 6| 0.0 4.3 4.3| 7.4 -47.1 -39.6 -19.8 -0.17| 9.9 -1.7 2500 304 11 4 4| 0.0 3.4 3.4| 11.1 -53.7 -42.5 -17.0 -0.18| 9.1 -1.7 3000 292 12 327 2| 0.3 2.9 3.1| 19.0 -58.2 -39.2 -13.1 -0.13| 8.6 -1.1 4000 280 12 259 2| 0.2 1.8 1.9| 20.9 -64.4 -43.5 -10.9 -0.15| 8.2 -1.2 5000 269 12 220 4| 0.1 2.0 2.1| 33.9 -70.9 -37.0 -7.4 -0.11| 7.7 -0.9 6000 255 14 208 7| 0.6 1.7 2.3| 64.6 -70.9 -6.3 -1.0 -0.02| 7.4 -0.2 Wrote GIF file: /home/apache/climate/data/raob//SBCT/skewt/SBCT.skewt.20250426.12.gif