UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for VOCC... Searching the city database file for: VOCC ... Date:0000Z 21 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 65 28.4 23.9 77 4.5 25.1 280 7 301.5 305.0 298.2 357.6 19.00 SFC 996 3 28.0 23.5 77 4.5 24.7 290 8 301.5 304.9 298.0 356.4 18.61 2 995 13 27.8 23.3 77 4.5 24.5 290 8 301.4 304.8 297.8 355.6 18.40 3 994 23 27.6 23.1 77 4.5 24.3 290 8 301.3 304.6 297.7 354.8 18.19 4 993 34 27.6 23.1 77 4.5 24.3 290 8 301.4 304.7 297.7 355.0 18.21 5 992 44 27.6 23.1 77 4.5 24.3 290 8 301.4 304.8 297.7 355.2 18.22 6 925 748 23.2 20.5 85 2.7 21.3 310 9 303.0 306.1 297.1 352.4 16.63 7 874 1239 20.4 17.7 84 2.7 18.5 306 7 305.1 307.8 296.4 349.1 14.74 8 859 1388 20.6 14.6 68 6.0 16.5 315 6 306.8 309.1 295.2 343.7 12.26 9 850 1479 19.6 15.6 78 4.0 16.9 320 5 306.7 309.1 295.8 346.5 13.23 10 847 1509 19.2 15.6 80 3.6 16.7 320 5 306.6 309.0 295.8 346.5 13.28 11 759 2443 13.8 11.8 88 2.0 12.5 50 15 310.5 312.7 295.7 345.8 11.54 12 732 2748 13.6 3.6 51 10.0 7.8 70 19 313.5 314.8 293.0 334.7 6.78 13 700 3124 12.0 -5.0 30 17.0 3.5 75 24 315.8 316.5 291.1 327.9 3.76 14 693 3208 11.6 -7.4 26 19.0 2.6 75 25 316.2 316.8 290.7 326.5 3.16 15 647 3778 6.8 -3.2 49 10.0 1.7 76 28 317.1 318.0 292.3 332.1 4.67 16 600 4394 3.8 -12.2 30 16.0 -3.0 83 15 320.5 321.0 291.4 328.8 2.50 17 519 5556 -4.1 -13.1 50 9.0 -7.7 98 11 324.6 325.1 292.7 333.6 2.69 18 514 5633 -4.5 -14.5 46 10.0 -8.4 99 12 325.0 325.5 292.6 333.2 2.42 19 500 5850 -5.3 -18.3 35 13.0 -9.9 100 14 326.6 326.9 292.5 332.8 1.81 20 441 6830 -8.5 -32.5 12 24.0 -14.5 95 16 334.5 334.6 293.4 336.6 0.57 21 405 7485 -12.9 -40.9 8 28.0 -18.1 95 15 337.0 337.1 293.9 338.1 0.26 22 400 7580 -13.3 -41.3 8 28.0 -18.5 95 15 337.7 337.8 294.0 338.7 0.26 23 358 8421 -18.5 -46.5 7 28.0 -22.7 82 14 341.6 341.6 294.8 342.3 0.16 24 300 9720 -28.5 -49.5 11 21.0 -30.7 90 12 345.2 345.2 295.7 345.8 0.14 25 250 11000 -39.1 -53.1 21 14.0 -40.1 90 13 347.9 348.0 296.3 348.4 0.11 26 200 12500 -52.3 -64.3 22 12.0 -52.6 65 21 349.9 350.0 296.7 350.1 0.03 27 150 14300 -66.9 -76.9 23 10.0 -67.0 100 25 354.8 354.8 297.7 354.9 0.01 28 121 15574 -78.7 -88.7 18 10.0 -78.7 94 34 355.7 355.7 297.8 355.7 0.00 29 105 16383 -81.3 -91.3 17 10.0 -81.3 105 76 365.5 365.5 299.8 365.5 0.00 30 100 16660 -80.5 -90.5 17 10.0 -80.5 100 33 372.2 372.2 300.9 372.2 0.00 31 97 16834 -78.9 -88.9 18 10.0 -78.9 102 35 378.6 378.6 302.0 378.6 0.00 32 91 17198 -80.5 -90.5 17 10.0 -80.5 84 32 382.4 382.4 302.6 382.4 0.00 33 89 17325 -79.5 -89.5 18 10.0 -79.5 77 30 386.8 386.8 303.3 386.8 0.00 34 80 17928 -82.7 -91.7 20 9.0 -82.7 47 24 392.2 392.2 304.1 392.2 0.00 35 74 18367 -81.3 -91.3 17 10.0 -81.3 26 19 404.0 404.0 305.7 404.0 0.00 36 70 18680 -82.9 -91.9 20 9.0 -82.9 10 16 407.0 407.0 306.1 407.0 0.00 37 69 18761 -82.9 -91.9 20 9.0 -82.9 7 16 408.7 408.7 306.3 408.7 0.00 38 68 18844 -79.3 -89.3 18 10.0 -79.3 5 16 418.2 418.2 307.5 418.2 0.00 39 64 19194 -76.9 -86.9 19 10.0 -76.9 354 17 430.8 430.8 308.9 430.8 0.00 40 59 19665 -77.9 -87.9 18 10.0 -77.9 340 17 438.7 438.7 309.7 438.7 0.00 41 57 19866 -74.9 -84.9 20 10.0 -75.0 333 17 449.8 449.8 310.8 449.8 0.01 42 55 20075 -74.5 -84.5 20 10.0 -74.6 327 17 455.3 455.4 311.4 455.4 0.01 43 55 20075 -72.5 -82.5 21 10.0 -72.6 327 17 459.9 459.9 311.8 460.0 0.01 44 50 20640 -72.3 -82.3 21 10.0 -72.4 310 18 473.1 473.1 312.9 473.2 0.01 45 43 21548 -67.7 -77.7 23 10.0 -67.9 354 17 505.3 505.3 315.3 505.4 0.02 46 41 21837 -67.9 -77.9 23 10.0 -68.1 8 17 511.7 511.7 315.8 511.9 0.02 47 37 22469 -62.1 -73.1 22 11.0 -62.6 38 17 541.9 541.9 317.6 542.2 0.05 48 35 22819 -57.7 -68.7 23 11.0 -58.5 55 17 562.0 562.0 318.8 562.7 0.11 49 33 23193 -57.9 -68.9 23 11.0 -58.7 72 16 571.0 571.1 319.2 571.8 0.11 50 31 23591 -56.9 -67.9 24 11.0 -57.9 90 16 584.0 584.1 319.9 585.0 0.13 51 30 23800 -57.7 -68.7 23 11.0 -58.6 100 16 587.3 587.4 320.0 588.2 0.12 52 28 24239 -58.9 -69.9 23 11.0 -59.7 97 19 595.7 595.7 320.5 596.5 0.11 53 27 24470 -57.3 -68.3 23 11.0 -58.3 95 21 606.4 606.5 320.9 607.5 0.14 54 25 24961 -58.1 -70.1 20 12.0 -59.2 91 24 617.6 617.7 321.4 618.6 0.12 55 22 25778 -55.3 -67.3 21 12.0 -56.9 85 30 649.0 649.1 322.7 650.6 0.20 56 20 26390 -56.1 -69.1 18 13.0 -57.7 80 34 664.5 664.5 323.3 665.9 0.17 57 18 27074 -56.1 -69.1 18 13.0 -57.9 82 37 684.8 684.9 324.0 686.4 0.19 58 18 27074 -54.9 -67.9 19 13.0 -56.9 82 37 688.6 688.7 324.1 690.5 0.23 59 18 27074 -48.5 -62.5 18 14.0 -51.9 82 37 708.8 709.0 324.8 712.9 0.47 60 17 27460 -44.9 -59.9 17 15.0 -49.6 82 39 732.0 732.3 325.6 738.4 0.70 61 16 27871 -46.3 -61.3 17 15.0 -50.7 83 41 740.2 740.5 325.8 746.0 0.62 62 14 28778 -43.7 -59.7 15 16.0 -49.4 85 45 777.8 778.3 326.9 786.3 0.88 63 12 29824 -45.5 -63.5 11 18.0 -51.4 87 49 806.5 806.8 327.5 812.8 0.62 64 11 30416 -41.5 -61.5 10 20.0 -49.4 89 52 841.4 841.8 328.4 850.7 0.88 65 10 31070 -41.3 -63.3 7 22.0 -50.0 90 55 865.4 865.8 328.9 873.7 0.77 66 9.7 31277 -41.9 -64.9 6 23.0 -50.5 870.7 871.0 329.0 877.7 0.64 67 9.5 31419 -39.1 -63.1 6 24.0 -49.2 886.5 887.0 329.3 895.7 0.83 68 9.2 31639 -37.7 -61.7 6 24.0 -48.6 900.0 900.6 329.7 911.6 1.03 69 8.9 31867 -38.9 -63.9 5 25.0 -49.5 904.0 904.4 329.7 913.0 0.80 70 7.8 32776 -36.9 -64.9 4 28.0 -49.4 946.7 947.2 330.4 956.2 0.80 71 7.7 32865 -38.1 -66.1 4 28.0 -50.1 945.4 945.8 330.4 953.5 0.69 TRP 105 16383 -81.3 -91.3 17 10.0 -81.3 105 76 365.5 365.5 299.8 365.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 561.04 mb = 4953.07 m = 16250.03 ft Wetbulb zero: 630.14 mb = 3993.37 m = 13101.45 ft Precipitable water: 1.86 inches Sfc-500 mean rel hum: 57.70 % Est. max temperature: 33.11 C = 91.60 F Sfc-Lift cond lev (LCL): 933.36 mb = 657.47 m = 2157.01 ft T: 23.77 C 700-500 lapse rate: 6.35 C/km ThetaE index: 19.97 C Layer 759.0- 647.0 mb Conv cond level (CCL): 849.62 mb = 1482.80 m = 4864.76 ft Mean mixing ratio: 17.06 g/kg Conv temperature: 33.16 C = 91.69 F Cap Strength: 1.74 C Lifted Index: -3.44 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.80 C Lifted Index @700 mb: 0.55 C Showalter Index: -1.04 C Risk: Thunderstorms probable Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 20.90 C K Index: 23.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 211.20 Risk: None Energy Index: -2.63 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 721.14 J/kg Max Up Vert Vel: 37.98 m/s Conv Inhibition (B-): 36.56 J/kg Cap Strength: 1.70 C Lift Cond Lev (LCL): 900.34 mb = 982.02 m = 3221.82 ft Lev Free Conv (LFC): 795.34 mb = 2045.13 m = 6709.67 ft Equ Level (EL): 735.34 mb = 2710.15 m = 8891.46 ft B at Equ Level: 15.11 J/kg Max Parcel Lev (MPL): 95.34 mb = 16932.58 m = 55552.40 ft Wind level data Storm motion: 97 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 ---------------------------------------------------------- 0 996 3 290 8 7.5 -2.7 | 283 18 17.4 -4.0 1 967 305 290 7 6.6 -2.4 | 283 17 16.4 -3.6 2 938 610 305 8 6.6 -4.6 | 290 17 16.4 -5.8 3 925 748 310 9 6.9 -5.8 | 293 18 16.7 -7.0 4 907 914 310 8 6.1 -5.1 | 292 17 16.0 -6.4 5 876 1219 305 7 5.7 -4.0 | 289 16 15.6 -5.3 6 850 1479 320 5 3.2 -3.8 | 291 14 13.1 -5.1 7 816 1829 320 5 3.2 -3.8 | 291 14 13.1 -5.1 8 787 2134 40 10 -6.4 -7.7 | 339 10 3.4 -8.9 9 759 2438 50 15 -11.5 -9.6 | 9 11 -1.6 -10.9 10 732 2743 70 19 -17.9 -6.5 | 46 11 -8.0 -7.7 11 700 3124 75 24 -23.2 -6.2 | 61 15 -13.3 -7.5 12 655 3658 75 30 -29.0 -7.8 | 65 21 -19.1 -9.0 13 608 4267 80 17 -16.7 -3.0 | 59 8 -6.9 -4.2 14 564 4877 95 4 -4.0 0.3 | 279 6 5.9 -0.9 15 500 5850 100 14 -13.8 2.4 | 107 4 -3.9 1.2 16 484 6096 95 16 -15.9 1.4 | 91 6 -6.1 0.1 17 400 7580 95 15 -14.9 1.3 | 91 5 -5.1 0.1 18 398 7620 95 17 -16.9 1.5 | 92 7 -7.1 0.2 19 324 9144 70 12 -11.3 -4.1 | 15 6 -1.4 -5.4 20 300 9720 90 12 -12.0 0.0 | 60 2 -2.1 -1.2 21 262 10668 100 10 -9.8 1.7 | 181 0 0.0 0.5 22 250 11000 90 13 -13.0 0.0 | 68 3 -3.1 -1.2 23 200 12500 65 21 -19.0 -8.9 | 42 14 -9.2 -10.1 24 150 14300 100 25 -24.6 4.3 | 102 15 -14.8 3.1 25 128 15240 90 18 -18.0 0.0 | 81 8 -8.1 -1.2 26 105 16383 105 76 -73.4 19.7 | 106 66 -63.6 18.4 27 100 16660 100 33 -32.5 5.7 | 101 23 -22.6 4.5 28 98 16764 105 36 -34.8 9.3 | 108 26 -24.9 8.1 29 70 18680 10 16 -2.8 -15.8 | 337 18 7.1 -17.0 30 50 20640 310 18 13.8 -11.6 | 298 27 23.6 -12.8 31 30 23800 100 16 -15.8 2.8 | 105 6 -5.9 1.5 32 20 26390 80 34 -33.5 -5.9 | 73 25 -23.6 -7.2 33 10 31070 90 55 -55.0 0.0 | 88 45 -45.1 -1.2 Wind Parameters Mean winds (0-6000m): 67.2 at 13.2 knts Storm direction: 97.2 at 9.9 knts Shear (0-3000m) pos: 5.0 neg: 0.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 133.7 deg Storm rel helicity (0-3000m) pos: 93.1 neg: -5.4 tot: 87.7 m^2/s^2 ave: 29.2 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.7 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 14.72 Bulk Shear: 48.99 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 ------------------------------------------------------------------------------- 500 292 7 284 17| 1.4 0.0 1.4| 6.0 -0.6 5.5 10.9 0.51| 2.5 1.2 1000 301 8 288 17| 1.3 0.0 1.3| 13.8 -2.8 11.0 11.0 0.45| 2.7 1.2 1500 304 7 288 17| 1.5 0.0 1.5| 16.5 -5.4 11.0 7.4 0.28| 3.0 0.8 2000 309 7 290 16| 2.5 0.0 2.5| 36.7 -5.4 31.2 15.6 0.56| 3.7 2.1 2500 335 8 303 16| 4.4 0.0 4.4| 68.8 -5.4 63.3 25.3 0.73| 5.5 4.0 3000 13 10 325 13| 5.0 0.0 5.0| 93.1 -5.4 87.7 29.2 0.76| 6.2 4.7 4000 53 14 9 10| 3.8 0.0 3.8|103.2 -6.5 96.7 24.2 0.59| 6.4 3.8 5000 60 14 15 8| 1.4 0.0 1.4|103.2 -13.3 90.0 18.0 0.32| 7.2 2.3 6000 67 13 20 7| 1.6 0.4 2.0|103.2 -14.5 88.8 14.8 0.25| 6.9 1.7 Wrote GIF file: /home/apache/climate/data/raob//VOCC/skewt/VOCC.skewt.20250421.00.gif