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 VOCC... Searching the city database file for: VOCC ... Date:1200Z 19 APR 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 ------------------------------------------------------------------------------- 0 1000 48 30.0 22.0 62 8.0 24.2 285 10 303.1 306.3 297.3 353.2 16.87 SFC 998 3 30.6 22.6 62 8.0 24.7 285 11 303.9 307.2 298.0 356.2 17.56 2 936 622 25.2 21.2 79 4.0 22.3 290 14 304.0 307.2 297.7 355.2 17.18 3 935 632 25.0 21.0 78 4.0 22.1 290 14 303.9 307.1 297.6 354.5 16.98 4 925 735 25.0 19.0 69 6.0 20.8 290 14 304.9 307.7 296.6 350.0 15.12 5 910 878 24.8 15.8 57 9.0 18.7 286 12 306.1 308.4 295.2 343.6 12.50 6 881 1160 22.6 17.7 74 4.9 19.2 289 7 306.7 309.4 296.8 350.6 14.62 7 850 1470 20.8 15.9 74 4.9 17.4 325 6 307.9 310.5 296.4 348.7 13.49 8 761 2416 15.4 10.5 73 4.9 12.2 43 8 312.0 314.0 295.4 344.4 10.54 9 712 2977 12.4 5.4 62 7.0 8.2 44 13 314.7 316.2 294.2 339.5 7.93 10 702 3096 12.4 0.4 44 12.0 5.8 41 13 316.0 317.0 292.7 333.8 5.62 11 700 3120 12.0 1.0 47 11.0 5.9 40 13 315.8 316.9 292.9 334.4 5.89 12 676 3410 10.4 5.4 71 5.0 7.3 35 13 317.2 318.8 295.1 343.5 8.35 13 667 3522 10.8 1.8 54 9.0 5.6 33 13 318.8 320.1 294.3 339.7 6.55 14 600 4393 5.6 -2.4 56 8.0 1.3 24 11 322.6 323.7 294.3 340.0 5.35 15 588 4558 5.4 -12.6 26 18.0 -2.4 31 10 324.2 324.7 292.4 332.6 2.47 16 576 4726 4.0 -18.0 18 22.0 -4.3 38 8 324.5 324.8 291.7 330.1 1.61 17 544 5187 0.6 -14.4 31 15.0 -5.5 10 8 325.8 326.3 292.7 333.7 2.30 18 530 5395 0.2 -21.8 17 22.0 -7.4 346 8 327.8 328.0 292.3 332.2 1.26 19 500 5860 -1.7 -22.7 18 21.0 -8.8 290 9 331.0 331.2 293.2 335.4 1.23 20 478 6218 -4.5 -29.5 12 25.0 -11.4 301 10 331.8 331.9 292.9 334.4 0.69 21 431 7027 -10.7 -25.7 28 15.0 -15.0 341 12 333.9 334.1 293.8 337.9 1.09 22 400 7600 -14.3 -35.3 15 21.0 -18.7 10 13 336.4 336.5 293.9 338.2 0.47 23 385 7891 -15.7 -35.7 16 20.0 -19.8 13 12 338.3 338.4 294.3 340.1 0.47 24 364 8315 -17.9 -29.9 34 12.0 -20.8 19 11 340.8 341.0 295.3 344.1 0.88 25 358 8440 -18.7 -30.7 34 12.0 -21.5 21 10 341.3 341.5 295.4 344.5 0.83 26 310 9503 -26.7 -35.7 42 9.0 -28.3 24 11 344.5 344.6 295.9 346.8 0.59 27 300 9740 -28.1 -37.1 42 9.0 -29.6 20 13 345.8 345.9 296.1 347.9 0.53 28 250 11020 -39.3 -48.3 38 9.0 -40.0 300 5 347.6 347.7 296.3 348.4 0.19 29 200 12520 -51.3 -60.3 33 9.0 -51.6 85 19 351.5 351.5 297.0 351.8 0.06 30 152 14250 -67.7 -76.7 27 9.0 -67.8 52 15 352.1 352.1 297.1 352.2 0.01 31 150 14330 -68.1 -77.1 26 9.0 -68.2 50 15 352.8 352.8 297.3 352.8 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 526.84 mb = 5444.30 m = 17861.65 ft Wetbulb zero: 595.71 mb = 4451.84 m = 14605.61 ft Precipitable water: 1.95 inches Sfc-500 mean rel hum: 54.62 % Est. max temperature: 34.70 C = 94.45 F Sfc-Lift cond lev (LCL): 889.24 mb = 1079.03 m = 3540.09 ft T: 23.23 C 700-500 lapse rate: 5.00 C/km ThetaE index: 16.83 C Layer 850.0- 700.0 mb Conv cond level (CCL): 796.63 mb = 2024.79 m = 6642.92 ft Mean mixing ratio: 16.12 g/kg Conv temperature: 36.99 C = 98.59 F Cap Strength: 2.68 C Lifted Index: 0.33 C Risk: Showers probable Lifted Index @300 mb: -1.17 C Lifted Index @700 mb: 0.67 C Showalter Index: 1.74 C Risk: Showers probable Total Totals Index: 40.10 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 17.60 C K Index: 27.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 211.80 Risk: None Energy Index: -2.51 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 401.34 J/kg Max Up Vert Vel: 28.33 m/s Conv Inhibition (B-): 155.02 J/kg Cap Strength: 2.68 C Lift Cond Lev (LCL): 864.46 mb = 1324.08 m = 4344.04 ft Lev Free Conv (LFC): 569.46 mb = 4817.88 m = 15806.51 ft Equ Level (EL): 509.46 mb = 5710.58 m = 18735.27 ft B at Equ Level: 22.10 J/kg Wind level data Storm motion: 30 at 7 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 ---------------------------------------------------------- 0 998 3 285 11 10.6 -2.8 | 256 15 14.3 3.5 1 967 305 290 14 13.2 -4.8 | 265 17 16.8 1.5 2 937 610 290 14 13.2 -4.8 | 265 17 16.8 1.5 3 925 735 290 14 13.2 -4.8 | 265 17 16.8 1.5 4 906 914 285 12 11.6 -3.1 | 258 16 15.3 3.2 5 875 1219 290 6 5.6 -2.1 | 245 10 9.3 4.3 6 850 1470 325 6 3.4 -4.9 | 259 7 7.1 1.4 7 815 1829 15 3 -0.8 -2.9 | 220 4 2.9 3.4 8 786 2134 25 4 -1.7 -3.6 | 216 3 2.0 2.7 9 758 2438 45 8 -5.7 -5.7 | 108 2 -2.0 0.6 10 732 2743 50 13 -10.0 -8.4 | 72 7 -6.3 -2.1 11 700 3120 40 13 -8.4 -10.0 | 52 6 -4.7 -3.7 12 655 3658 30 13 -6.5 -11.3 | 30 6 -2.8 -5.0 13 608 4267 20 12 -4.1 -11.3 | 5 5 -0.4 -5.0 14 564 4877 45 7 -4.9 -4.9 | 137 2 -1.3 1.4 15 500 5860 290 9 8.5 -3.1 | 255 13 12.1 3.2 16 485 6096 295 10 9.1 -4.2 | 261 13 12.7 2.1 17 400 7600 10 13 -2.3 -12.8 | 348 7 1.4 -6.5 18 399 7620 10 13 -2.3 -12.8 | 348 7 1.4 -6.5 19 325 9144 30 8 -4.0 -6.9 | 28 1 -0.3 -0.6 20 300 9740 20 13 -4.4 -12.2 | 8 6 -0.8 -5.9 21 263 10668 5 12 -1.0 -12.0 | 335 6 2.6 -5.7 22 250 11020 300 5 4.3 -2.5 | 245 9 8.0 3.8 23 200 12520 85 19 -18.9 -1.7 | 107 16 -15.3 4.6 24 150 14330 50 15 -11.5 -9.6 | 67 9 -7.8 -3.3 25 129 15240 75 21 -20.3 -5.4 | 93 17 -16.6 0.9 26 100 16764 85 20 -19.9 -1.7 | 106 17 -16.3 4.6 Wind Parameters Mean winds (0-6000m): 0.2 at 9.7 knts Storm direction: 30.2 at 7.3 knts Shear (0-3000m) pos: 2.5 neg: 1.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 162.2 deg Storm rel helicity (0-3000m) pos: 13.9 neg: -26.5 tot: -12.5 m^2/s^2 ave: -4.2 10^-3 m/s^2 rel: -0.33 Storm rel vorticity (0-3000m) horiz: 5.4 stream: -1.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 16.40 Bulk Shear: 24.48 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 ------------------------------------------------------------------------------- 500 289 13 263 16| 3.3 0.0 3.3| 9.7 0.0 9.7 19.4 0.73| 3.3 2.4 1000 289 13 262 16| 1.6 2.0 3.6| 9.7 -10.4 -0.7 -0.7 -0.02| 3.7 -0.1 1500 291 11 260 14| 2.0 1.3 3.3| 13.9 -16.6 -2.7 -1.8 -0.02| 5.3 -0.1 2000 296 9 259 12| 2.3 1.0 3.3| 13.9 -20.7 -6.8 -3.4 -0.18| 5.2 -0.9 2500 307 8 263 10| 3.0 0.8 3.8| 13.9 -22.5 -8.6 -3.5 -0.29| 5.5 -1.6 3000 329 9 280 8| 2.5 1.0 3.5| 13.9 -26.5 -12.5 -4.2 -0.33| 5.4 -1.8 4000 358 10 313 6| 1.9 0.5 2.4| 13.9 -32.9 -18.9 -4.7 -0.41| 4.6 -1.9 5000 6 10 325 4| 1.3 0.4 1.7| 16.7 -33.9 -17.2 -3.4 -0.22| 4.6 -1.0 6000 0 10 313 5| 1.1 0.9 2.0| 18.4 -46.6 -28.2 -4.7 -0.23| 5.2 -1.2 Wrote GIF file: /home/apache/climate/data/raob//VOCC/skewt/VOCC.skewt.20250419.12.gif