UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for SBVT... Searching the city database file for: SBVT ... Date:1200Z 10 DEC 25 Station: SBVT WMO ident: 83649 Latitude: -20.26 Longitude: -40.29 Elevation: 4.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1011 4 25.2 21.3 79 3.9 22.4 20 12 297.4 300.3 295.2 343.7 15.97 1 1000 102 24.2 20.6 80 3.6 21.6 10 12 297.4 300.1 294.8 342.1 15.45 2 970 368 21.6 20.1 91 1.5 20.6 7 21 297.3 300.1 294.8 342.0 15.45 3 952 531 22.4 18.6 79 3.8 19.8 345 22 299.7 302.3 294.7 341.6 14.31 4 925 781 20.6 17.8 84 2.8 18.7 335 26 300.4 302.9 294.7 341.4 14.00 5 870 1310 17.6 16.3 92 1.3 16.7 328 34 302.6 305.1 294.9 342.6 13.52 6 850 1510 17.0 14.5 85 2.5 15.3 325 38 304.0 306.2 294.4 340.6 12.31 7 840 1611 17.4 12.4 72 5.0 14.1 325 39 305.4 307.4 293.8 337.9 10.83 8 700 3149 9.2 5.4 77 3.8 6.9 325 37 312.7 314.2 293.7 337.7 8.06 9 667 3548 7.2 2.7 73 4.5 4.6 321 39 314.8 316.1 293.5 336.7 6.99 10 579 4697 -0.3 -0.3 100 0.0 -0.3 325 28 319.0 320.3 294.3 339.7 6.48 11 500 5860 -5.7 -5.8 99 0.1 -5.8 300 31 326.1 327.1 294.9 342.5 4.97 12 425 7119 -12.9 -14.0 91 1.1 -13.3 295 29 332.4 333.0 295.0 342.9 3.05 13 400 7580 -15.9 -17.3 89 1.4 -16.4 300 30 334.3 334.8 295.0 343.0 2.46 14 346 8660 -23.1 -26.2 76 3.1 -23.9 303 28 338.7 339.0 295.1 343.5 1.30 15 300 9690 -31.3 -34.4 74 3.1 -31.8 295 29 341.3 341.4 295.3 343.9 0.69 16 275 10298 -36.3 -38.1 83 1.8 -36.5 297 29 342.6 342.7 295.4 344.7 0.52 17 250 10950 -41.7 -47.7 52 6.0 -42.1 300 29 344.1 344.1 295.5 344.9 0.21 18 241 11198 -43.7 -51.7 41 8.0 -44.2 299 27 344.7 344.7 295.6 345.2 0.13 19 200 12420 -55.1 -61.1 47 6.0 -55.2 275 20 345.5 345.5 295.7 345.7 0.05 20 184 12946 -59.9 -64.7 53 4.8 -60.0 268 21 346.1 346.1 295.8 346.2 0.03 21 150 14190 -70.5 -79.5 25 9.0 -70.5 280 12 348.6 348.6 296.3 348.7 0.00 22 148 14270 -71.1 -81.1 21 10.0 -71.1 277 12 349.0 349.0 296.4 349.0 0.00 23 143 14474 -69.9 -83.9 11 14.0 -69.9 266 21 354.5 354.5 297.6 354.5 0.00 24 109 16051 -79.5 -83.6 51 4.1 -79.5 285 29 365.0 365.0 299.7 365.0 0.00 25 102 16434 -73.1 -87.1 10 14.0 -73.2 260 19 384.3 384.3 302.9 384.3 0.00 26 100 16550 -73.5 -87.5 10 14.0 -73.5 250 15 385.7 385.7 303.2 385.7 0.00 27 82 17699 -78.1 -88.1 18 10.0 -78.1 248 10 398.8 398.8 305.0 398.8 0.00 28 70 18610 -75.9 -87.9 13 12.0 -75.9 55 9 422.0 422.0 307.9 422.0 0.00 29 55 20020 -72.9 -89.9 6 17.0 -73.0 149 11 459.0 459.0 311.7 459.0 0.00 30 50 20590 -66.7 -89.7 3 23.0 -67.0 105 14 486.3 486.3 314.0 486.3 0.00 31 49 20712 -65.9 -89.9 2 24.0 -66.2 105 13 491.0 491.0 314.3 491.0 0.00 32 35 22784 -60.1 -88.1 1 28.0 -60.9 61 17 555.7 555.7 318.4 555.8 0.00 33 33 23151 -59.9 -87.9 1 28.0 -60.7 68 19 565.7 565.7 318.9 565.7 0.01 TRP 109 16051 -79.5 -83.6 51 4.1 -79.5 285 29 365.0 365.0 299.7 365.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5758.00 m Freezing level: 582.52 mb = 4650.91 m = 15258.71 ft Wetbulb zero: 584.86 mb = 4615.06 m = 15141.09 ft Precipitable water: 2.21 inches Sfc-500 mean rel hum: 85.12 % Est. max temperature: 30.99 C = 87.77 F Sfc-Lift cond lev (LCL): 955.31 mb = 500.80 m = 1643.03 ft T: 22.25 C 700-500 lapse rate: 5.50 C/km ThetaE index: 5.85 C Layer 850.0- 579.0 mb Conv cond level (CCL): 872.79 mb = 1282.75 m = 4208.46 ft Mean mixing ratio: 14.79 g/kg Conv temperature: 30.25 C = 86.44 F Cap Strength: 2.15 C Lifted Index: 0.32 C Risk: Showers probable Lifted Index @300 mb: 1.67 C Lifted Index @700 mb: 0.92 C Showalter Index: 0.84 C Risk: Thunderstorms probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.20 C K Index: 33.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 281.00 Risk: None Energy Index: 0.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.18 J/kg Max Up Vert Vel: 8.96 m/s Conv Inhibition (B-): 148.87 J/kg Cap Strength: 2.14 C Lift Cond Lev (LCL): 920.24 mb = 825.58 m = 2708.56 ft Lev Free Conv (LFC): 615.24 mb = 4203.91 m = 13792.19 ft Equ Level (EL): 515.24 mb = 5621.97 m = 18444.56 ft B at Equ Level: 39.95 J/kg Max Parcel Lev (MPL): 405.24 mb = 7481.16 m = 24544.18 ft Wind level data Storm motion: 355 at 24 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 1011 4 20 12 -4.1 -11.3 | 153 14 -6.3 12.5 1 1000 102 10 12 -2.1 -11.8 | 160 13 -4.3 12.0 2 977 305 15 20 -5.2 -19.3 | 121 9 -7.4 4.5 3 943 610 335 23 9.7 -20.8 | 249 8 7.5 2.9 4 925 781 335 26 11.0 -23.6 | 269 9 8.8 0.2 5 911 914 335 26 11.0 -23.6 | 269 9 8.8 0.2 6 850 1510 325 38 21.8 -31.1 | 291 21 19.6 -7.4 7 849 1524 325 39 22.4 -31.9 | 292 22 20.1 -8.2 8 789 2134 325 38 21.8 -31.1 | 291 21 19.6 -7.4 9 761 2438 330 39 19.5 -33.8 | 300 20 17.3 -10.0 10 700 3149 325 37 21.2 -30.3 | 289 20 19.0 -6.5 11 657 3658 320 40 25.7 -30.6 | 286 24 23.5 -6.9 12 609 4267 325 30 17.2 -24.6 | 273 15 15.0 -0.8 13 565 4877 325 27 15.5 -22.1 | 263 13 13.3 1.7 14 544 5182 310 25 19.2 -16.1 | 246 19 16.9 7.7 15 504 5791 305 32 26.2 -18.4 | 257 25 24.0 5.4 16 500 5860 300 31 26.8 -15.5 | 251 26 24.6 8.3 17 485 6096 300 31 26.8 -15.5 | 251 26 24.6 8.3 18 448 6706 290 28 26.3 -9.6 | 239 28 24.1 14.2 19 400 7580 300 30 26.0 -15.0 | 250 25 23.8 8.8 20 366 8230 300 26 22.5 -13.0 | 242 23 20.3 10.8 21 351 8534 305 28 22.9 -16.1 | 250 22 20.7 7.7 22 310 9449 290 26 24.4 -8.9 | 236 27 22.2 14.9 23 300 9690 295 29 26.3 -12.3 | 244 27 24.1 11.5 24 250 10950 300 29 25.1 -14.5 | 248 25 22.9 9.3 25 217 11887 295 22 19.9 -9.3 | 231 23 17.7 14.5 26 200 12420 275 20 19.9 -1.7 | 219 28 17.7 22.0 27 179 13106 265 21 20.9 1.8 | 216 32 18.7 25.6 28 150 14190 280 12 11.8 -2.1 | 204 24 9.6 21.7 29 147 14326 275 12 12.0 -1.0 | 203 25 9.7 22.7 30 139 14630 255 31 29.9 8.0 | 221 42 27.7 31.8 31 125 15240 265 23 22.9 2.0 | 219 33 20.7 25.8 32 119 15545 310 17 13.0 -10.9 | 220 17 10.8 12.8 33 113 15850 315 15 10.6 -10.6 | 212 16 8.4 13.2 34 109 16051 285 29 28.0 -7.5 | 238 30 25.8 16.3 35 107 16154 285 29 28.0 -7.5 | 238 30 25.8 16.3 36 100 16550 250 15 14.1 5.1 | 202 31 11.9 28.9 37 96 16764 260 14 13.8 2.4 | 204 29 11.6 26.2 38 87 17374 240 10 8.7 5.0 | 193 29 6.4 28.8 39 78 17983 255 10 9.7 2.6 | 196 27 7.4 26.4 40 74 18288 180 10 0.0 10.0 | 176 34 -2.2 33.8 41 70 18610 55 9 -7.4 -5.2 | 153 21 -9.6 18.6 42 60 19507 115 2 -1.8 0.8 | 171 25 -4.0 24.6 43 57 19812 160 12 -4.1 11.3 | 170 36 -6.3 35.0 44 54 20117 145 11 -6.3 9.0 | 165 34 -8.5 32.8 45 51 20422 70 10 -9.4 -3.4 | 150 23 -11.6 20.3 46 50 20590 105 14 -13.5 3.6 | 150 32 -15.8 27.4 47 49 20726 105 12 -11.6 3.1 | 153 30 -13.8 26.9 48 46 21031 100 13 -12.8 2.3 | 150 30 -15.0 26.0 49 43 21336 80 11 -10.8 -1.9 | 149 25 -13.1 21.9 50 40 21641 90 13 -13.0 0.0 | 147 28 -15.2 23.8 51 38 21946 95 14 -13.9 1.2 | 147 30 -16.2 25.0 52 35 22250 60 17 -14.7 -8.5 | 132 23 -17.0 15.3 53 31 22860 75 21 -20.3 -5.4 | 129 29 -22.5 18.3 54 29 23165 50 23 -17.6 -14.8 | 114 22 -19.8 9.0 55 27 23470 80 18 -17.7 -3.1 | 136 29 -20.0 20.6 Wind Parameters Mean winds (0-6000m): 324.6 at 31.8 knts Storm direction: 354.6 at 23.9 knts Shear (0-3000m) pos: 0.5 neg: 5.6 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 138.1 deg Storm rel helicity (0-3000m) pos: 54.4 neg: -34.7 tot: 19.7 m^2/s^2 ave: 6.6 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.60 Bulk Shear: 67.32 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 8 17 146 8| 0.0 13.6 13.6| 10.8 -17.7 -6.9 -13.9 0.08| 21.1 1.7 1000 349 21 212 4| 0.0 11.0 11.0| 23.0 -17.7 5.2 5.2 0.27| 15.9 4.2 1500 339 25 267 7| 0.0 11.1 11.1| 35.5 -17.7 17.8 11.8 0.28| 14.4 4.0 2000 334 28 281 10| 0.0 8.4 8.4| 38.3 -19.8 18.5 9.2 0.27| 11.2 3.0 2500 332 31 285 12| 0.6 6.8 7.4| 54.4 -20.3 34.1 13.6 0.31| 9.7 3.0 3000 331 32 288 14| 0.5 5.6 6.1| 54.4 -34.7 19.7 6.6 0.24| 8.5 2.0 4000 329 33 288 16| 0.8 4.5 5.3| 54.4 -56.3 -1.9 -0.5 0.14| 7.7 1.0 5000 328 33 284 16| 1.1 3.5 4.6| 54.4 -83.8 -29.3 -5.9 0.02| 7.2 0.1 6000 325 32 278 16| 1.0 3.6 4.6| 74.6-109.3 -34.7 -5.8 0.00| 7.2 0.0 Wrote GIF file: /home/apache/climate/data/raob//SBVT/skewt/SBVT.skewt.20251210.12.gif