UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for VOCC... Searching the city database file for: VOCC ... Date:1200Z 2 DEC 25 Station: VOCC WMO ident: 43353 Latitude: 9.95 Longitude: 76.27 Elevation: 3.00 ------------------------------------------------------------------------------- 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 1006 3 28.6 23.6 74 5.0 24.9 260 9 301.2 304.6 297.8 355.8 18.53 1 1000 59 27.6 22.6 74 5.0 24.0 260 9 300.8 304.0 297.1 352.2 17.52 2 925 741 23.6 19.5 78 4.1 20.7 215 4 303.4 306.3 296.6 349.8 15.61 3 850 1473 19.6 16.0 80 3.6 17.1 65 9 306.7 309.2 296.1 347.5 13.58 4 828 1698 17.6 15.3 86 2.3 16.0 49 9 306.9 309.4 296.0 347.0 13.32 5 827 1708 17.6 15.3 86 2.3 16.0 49 9 307.0 309.5 296.0 347.1 13.34 6 803 1959 17.6 11.6 68 6.0 13.7 21 9 309.6 311.6 294.9 342.3 10.75 7 768 2338 15.2 8.2 63 7.0 10.9 2 10 311.0 312.7 293.9 338.4 8.92 8 752 2516 13.8 10.1 78 3.7 11.4 5 10 311.3 313.3 295.1 343.2 10.38 9 719 2893 12.8 8.9 77 3.9 10.3 355 5 314.2 316.2 295.6 345.4 10.01 10 700 3117 11.2 6.2 71 5.0 8.2 340 4 314.9 316.5 294.7 341.5 8.53 11 687 3274 10.6 1.6 54 9.0 5.5 354 5 315.9 317.1 293.3 335.7 6.26 12 672 3457 9.0 4.0 71 5.0 6.1 11 6 316.1 317.6 294.3 340.1 7.61 13 636 3913 8.0 -1.0 53 9.0 3.1 32 11 320.0 321.1 293.9 338.1 5.60 14 601 4377 4.0 -1.0 70 5.0 1.3 32 14 320.6 321.8 294.3 339.7 5.93 15 575 4737 2.8 -6.2 52 9.0 -1.6 20 11 323.3 324.1 293.6 337.1 4.19 16 561 4936 2.4 -15.6 25 18.0 -4.7 20 10 325.1 325.5 292.3 332.0 2.02 17 543 5199 0.8 -7.2 55 8.0 -3.1 50 7 326.2 327.0 294.3 339.9 4.10 18 533 5349 0.8 -18.2 23 19.0 -6.3 67 6 328.0 328.3 292.8 333.9 1.71 19 525 5471 0.0 -23.0 16 23.0 -7.7 81 5 328.4 328.7 292.4 332.5 1.14 20 507 5749 -2.1 -12.1 46 10.0 -6.4 112 3 329.2 329.8 294.1 339.4 2.98 21 500 5860 -2.5 -13.5 43 11.0 -7.1 125 2 330.0 330.5 294.1 339.3 2.70 22 499 5876 -2.3 -14.3 39 12.0 -7.2 130 2 330.4 330.9 294.1 339.2 2.53 23 417 7274 -12.5 -23.5 39 11.0 -15.8 153 4 334.7 335.0 294.3 339.7 1.38 24 400 7590 -14.9 -23.9 46 9.0 -17.5 140 4 335.6 335.9 294.5 340.6 1.39 25 375 8077 -18.5 -25.5 54 7.0 -20.4 149 7 337.1 337.4 294.7 341.8 1.28 26 340 8803 -23.3 -35.3 32 12.0 -25.5 180 10 340.2 340.3 294.8 342.3 0.56 27 300 9710 -30.1 -44.1 24 14.0 -31.7 235 16 343.0 343.0 295.3 344.0 0.25 28 271 10431 -35.5 -52.5 16 17.0 -36.8 216 20 345.2 345.3 295.7 345.7 0.11 29 250 10990 -40.9 -57.9 14 17.0 -41.8 220 22 345.3 345.3 295.6 345.5 0.06 30 200 12480 -52.5 -68.5 13 16.0 -52.8 240 16 349.6 349.6 296.5 349.7 0.02 31 150 14290 -67.7 -82.7 10 15.0 -67.8 353.5 353.5 297.4 353.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 525.00 mb = 5470.58 m = 17947.88 ft Wetbulb zero: 589.38 mb = 4535.80 m = 14881.06 ft Precipitable water: 2.09 inches Sfc-500 mean rel hum: 63.70 % Est. max temperature: 33.78 C = 92.81 F Sfc-Lift cond lev (LCL): 935.98 mb = 637.79 m = 2092.46 ft T: 24.21 C 700-500 lapse rate: 4.99 C/km ThetaE index: 9.62 C Layer 700.0- 672.0 mb Conv cond level (CCL): 840.80 mb = 1566.15 m = 5138.23 ft Mean mixing ratio: 16.41 g/kg Conv temperature: 34.14 C = 93.45 F Cap Strength: 2.25 C Lifted Index: 0.12 C Risk: Showers probable Lifted Index @300 mb: -2.23 C Lifted Index @700 mb: 0.34 C Showalter Index: 1.35 C Risk: Showers probable Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 18.50 C K Index: 33.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 212.00 Risk: None Energy Index: -1.60 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 481.20 J/kg Max Up Vert Vel: 31.02 m/s Conv Inhibition (B-): 98.93 J/kg Cap Strength: 2.25 C Lift Cond Lev (LCL): 895.24 mb = 1024.12 m = 3359.93 ft Lev Free Conv (LFC): 670.24 mb = 3478.87 m = 11413.47 ft Equ Level (EL): 660.24 mb = 3603.30 m = 11821.72 ft B at Equ Level: 9.50 J/kg Wind level data Storm motion: 49 at 6 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 1006 3 260 9 8.9 1.6 | 248 14 13.3 5.3 1 1000 59 260 9 8.9 1.6 | 248 14 13.3 5.3 2 972 305 265 10 10.0 0.9 | 252 15 14.3 4.7 3 939 610 255 6 5.8 1.6 | 242 11 10.2 5.3 4 925 741 215 4 2.3 3.3 | 223 10 6.7 7.1 5 907 914 180 3 0.0 3.0 | 213 8 4.4 6.8 6 875 1219 90 4 -4.0 0.0 | 186 4 0.4 3.8 7 850 1473 65 9 -8.2 -3.8 | 90 4 -3.8 -0.0 8 815 1829 40 9 -5.8 -6.9 | 24 3 -1.4 -3.1 9 786 2134 355 8 0.7 -8.0 | 309 7 5.1 -4.2 10 758 2438 5 11 -1.0 -11.0 | 334 8 3.4 -7.2 11 732 2743 5 5 -0.4 -5.0 | 287 4 4.0 -1.2 12 700 3117 340 4 1.4 -3.8 | 270 6 5.8 0.0 13 655 3658 30 8 -4.0 -6.9 | 353 3 0.4 -3.1 14 608 4267 35 15 -8.6 -12.3 | 26 9 -4.2 -8.5 15 564 4877 15 10 -2.6 -9.7 | 343 6 1.8 -5.9 16 500 5860 125 2 -1.6 1.1 | 209 6 2.7 4.9 17 485 6096 200 5 1.7 4.7 | 216 10 6.1 8.5 18 400 7590 140 4 -2.6 3.1 | 195 7 1.8 6.8 19 398 7620 130 5 -3.8 3.2 | 185 7 0.6 7.0 20 324 9144 195 11 2.8 10.6 | 207 16 7.2 14.4 21 300 9710 235 16 13.1 9.2 | 233 22 17.5 13.0 22 262 10668 210 21 10.5 18.2 | 214 27 14.9 22.0 23 250 10990 220 22 14.1 16.9 | 222 28 18.5 20.6 24 200 12480 240 16 13.9 8.0 | 237 22 18.2 11.8 Wind Parameters Mean winds (0-6000m): 19.2 at 7.7 knts Storm direction: 49.2 at 5.8 knts Shear (0-3000m) pos: 0.0 neg: 1.7 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 26.5 deg Storm rel helicity (0-3000m) pos: 8.2 neg: -48.7 tot: -40.5 m^2/s^2 ave: -13.5 10^-3 m/s^2 rel: -0.63 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -4.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 17.56 Bulk Shear: 27.40 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 ------------------------------------------------------------------------------- 500 262 9 250 14| 0.0 1.7 1.7| 4.0 -5.7 -1.7 -3.4 -0.13| 4.2 -0.5 1000 252 7 242 12| 0.0 5.4 5.4| 4.0 -24.4 -20.4 -20.4 -0.58| 6.8 -4.0 1500 247 6 239 12| 0.0 6.1 6.1| 4.0 -32.3 -28.3 -18.9 -0.66| 8.0 -5.3 2000 345 7 295 7| 0.0 3.8 3.8| 4.0 -39.1 -35.1 -17.6 -0.73| 8.0 -5.8 2500 358 7 308 6| 0.0 3.1 3.1| 8.2 -42.3 -34.1 -13.6 -0.61| 7.6 -4.6 3000 359 7 307 6| 0.0 1.7 1.7| 8.2 -48.7 -40.5 -13.5 -0.63| 7.4 -4.7 4000 8 7 315 5| 1.2 1.3 2.5| 17.5 -49.3 -31.8 -7.9 -0.36| 7.0 -2.5 5000 18 8 335 5| 0.6 1.1 1.7| 20.7 -59.7 -39.0 -7.8 -0.35| 6.7 -2.3 6000 19 8 332 4| 0.8 0.9 1.7| 27.6 -59.7 -32.0 -5.3 -0.17| 6.8 -1.2 Wrote GIF file: /home/apache/climate/data/raob//VOCC/skewt/VOCC.skewt.20251202.12.gif