UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for VO311... Searching the city database file for: VO311 ... Date:0000Z 22 APR 25 Station: VO311 WMO ident: 43311 Latitude: 11.12 Longitude: 72.73 ------------------------------------------------------------------------------- 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 1009 4 28.0 22.0 70 6.0 23.7 270 1 300.4 303.4 296.5 349.4 16.72 1 1000 83 30.6 25.6 75 5.0 26.8 55 8 303.8 307.7 299.9 366.7 21.09 2 988 192 30.6 26.1 77 4.5 27.2 55 8 304.8 308.9 300.7 370.9 22.02 3 980 265 29.0 25.1 80 3.9 26.1 55 7 303.9 307.8 299.9 366.3 20.89 4 953 514 26.4 25.3 94 1.1 25.6 58 5 303.7 307.7 300.4 368.7 21.77 5 925 778 24.6 22.6 89 2.0 23.2 0 0 304.5 308.0 299.0 361.2 18.98 6 918 845 24.4 20.1 77 4.3 21.3 280 1 304.9 308.0 297.4 353.7 16.34 7 913 893 24.8 18.8 69 6.0 20.5 222 2 305.8 308.6 296.9 351.1 15.13 8 898 1038 23.8 20.7 83 3.1 21.6 169 4 306.2 309.5 298.4 358.4 17.37 9 875 1265 22.6 18.6 78 4.0 19.8 126 6 307.3 310.2 297.5 354.3 15.60 10 864 1375 22.6 17.6 73 5.0 19.1 117 7 308.4 311.2 297.3 353.2 14.82 11 854 1477 22.6 15.6 65 7.0 17.8 108 8 309.4 311.9 296.5 349.4 13.17 12 850 1518 22.8 14.8 61 8.0 17.3 105 8 310.0 312.4 296.3 348.3 12.55 13 845 1569 22.8 13.8 57 9.0 16.7 104 8 310.6 312.8 295.9 346.7 11.82 14 813 1905 20.4 11.4 56 9.0 14.5 97 8 311.5 313.4 295.2 343.6 10.47 15 785 2207 18.0 12.0 68 6.0 14.0 82 11 312.0 314.2 295.9 346.8 11.30 16 754 2551 15.0 12.4 84 2.6 13.3 72 14 312.4 314.7 296.5 349.6 12.09 17 700 3176 10.2 5.5 73 4.7 7.4 80 23 313.8 315.3 294.1 339.1 8.12 18 677 3452 8.2 2.2 66 6.0 4.8 77 28 314.6 315.8 293.2 335.4 6.64 19 662 3637 7.0 4.1 82 2.9 5.3 75 31 315.2 316.7 294.2 339.6 7.78 20 643 3875 5.4 0.5 71 4.9 2.7 75 31 316.0 317.2 293.2 335.6 6.18 21 625 4106 4.0 -0.9 70 4.9 1.4 73 26 317.0 318.1 293.2 335.3 5.74 22 615 4237 3.6 -0.6 74 4.2 1.3 71 21 318.0 319.2 293.6 337.1 5.97 23 612 4277 3.6 -3.4 60 7.0 0.0 70 19 318.5 319.4 292.8 334.1 4.87 24 609 4317 3.8 -7.2 44 11.0 -1.4 67 19 319.2 319.9 292.0 331.1 3.66 25 602 4411 4.0 -10.0 35 14.0 -2.2 58 18 320.4 321.0 291.8 330.3 2.97 26 581 4698 1.6 -8.4 47 10.0 -3.0 40 18 320.9 321.6 292.4 332.4 3.49 27 577 4753 1.2 -4.8 64 6.0 -1.8 40 18 321.1 322.0 293.4 336.2 4.64 28 552 5108 -1.5 -9.5 54 8.0 -5.0 47 17 322.0 322.6 292.6 333.1 3.37 29 548 5165 -1.5 -13.5 39 12.0 -6.3 49 16 322.6 323.1 292.0 330.9 2.46 30 530 5431 -3.1 -18.1 30 15.0 -8.4 58 14 323.8 324.2 291.6 329.8 1.73 31 518 5611 -3.9 -20.9 25 17.0 -9.5 63 14 325.0 325.3 291.7 329.8 1.39 32 509 5750 -4.3 -24.3 19 20.0 -10.4 66 16 326.1 326.3 291.7 329.9 1.05 33 500 5890 -5.1 -32.1 10 27.0 -11.9 70 18 326.8 326.9 291.3 328.7 0.52 34 494 5985 -5.9 -32.9 10 27.0 -12.5 72 18 327.0 327.1 291.3 328.8 0.49 35 486 6112 -6.7 -22.7 27 16.0 -11.7 75 19 327.5 327.8 292.3 332.0 1.27 36 485 6128 -6.7 -15.7 49 9.0 -10.1 76 19 327.7 328.2 293.2 335.7 2.32 37 484 6144 -6.7 -12.7 62 6.0 -9.2 76 19 327.9 328.5 293.9 338.0 2.98 38 476 6274 -7.3 -16.3 49 9.0 -10.6 79 19 328.7 329.2 293.4 336.5 2.25 39 475 6291 -7.5 -21.5 32 14.0 -12.0 79 19 328.7 329.0 292.7 333.8 1.44 40 469 6389 -7.9 -28.9 17 21.0 -13.5 82 19 329.4 329.5 292.3 332.1 0.75 41 460 6540 -8.7 -33.7 11 25.0 -14.5 85 19 330.2 330.3 292.3 332.0 0.48 42 456 6607 -9.1 -25.1 26 16.0 -13.7 87 19 330.5 330.8 292.9 334.5 1.09 43 454 6641 -9.5 -19.5 44 10.0 -12.9 87 19 330.5 330.8 293.5 336.8 1.80 44 453 6658 -9.7 -15.7 62 6.0 -11.9 88 19 330.4 330.9 294.1 339.0 2.48 45 446 6778 -10.3 -13.6 77 3.3 -11.6 91 19 331.1 331.7 294.7 341.5 3.00 46 437 6935 -10.9 -13.7 80 2.8 -12.0 94 18 332.3 332.9 295.0 342.8 3.04 47 428 7094 -11.7 -16.7 66 5.0 -13.5 98 18 333.3 333.8 294.7 341.7 2.42 48 419 7257 -12.3 -18.3 61 6.0 -14.4 102 18 334.5 335.0 294.8 342.2 2.16 49 409 7441 -13.1 -22.1 47 9.0 -15.9 106 18 335.8 336.1 294.7 341.5 1.59 50 400 7610 -14.1 -22.1 51 8.0 -16.6 110 18 336.7 337.0 294.9 342.5 1.63 51 399 7629 -14.1 -23.1 46 9.0 -16.9 105 18 336.9 337.2 294.8 342.3 1.49 52 397 7667 -14.3 -28.3 29 14.0 -18.0 105 18 337.1 337.3 294.4 340.6 0.94 53 395 7705 -14.3 -36.3 14 22.0 -18.8 105 18 337.6 337.7 294.1 339.3 0.43 54 387 7860 -15.1 -39.1 11 24.0 -19.7 104 17 338.5 338.6 294.3 339.9 0.33 55 378 8038 -16.3 -56.3 2 40.0 -21.1 104 16 339.2 339.3 294.2 339.5 0.05 56 300 9730 -29.9 -34.4 65 4.5 -30.7 75 12 343.2 343.4 295.7 345.9 0.69 57 250 11010 -37.5 -41.8 64 4.3 -38.0 90 19 350.3 350.4 297.0 351.9 0.39 58 200 12500 -51.9 -55.8 63 3.9 -52.1 85 31 350.6 350.6 296.8 351.0 0.10 59 150 14300 -63.9 -68.9 50 5.0 -64.0 115 28 360.0 360.0 298.7 360.1 0.02 60 100 16670 -79.3 -86.3 31 7.0 -79.3 95 25 374.5 374.5 301.4 374.5 0.00 61 76 18228 -79.3 -86.3 31 7.0 -79.3 405.1 405.1 305.9 405.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5807.00 m Freezing level: 565.89 mb = 4910.75 m = 16111.19 ft Wetbulb zero: 611.96 mb = 4277.43 m = 14033.38 ft Precipitable water: 2.25 inches Sfc-500 mean rel hum: 64.17 % Est. max temperature: 36.53 C = 97.76 F Sfc-Lift cond lev (LCL): 925.04 mb = 777.66 m = 2551.35 ft T: 24.60 C 700-500 lapse rate: 5.64 C/km ThetaE index: 17.58 C Layer 925.0- 898.0 mb Conv cond level (CCL): 875.18 mb = 1263.26 m = 4144.49 ft Mean mixing ratio: 20.08 g/kg Conv temperature: 34.89 C = 94.81 F Cap Strength: 2.16 C Lifted Index: -6.70 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -8.59 C Lifted Index @700 mb: -3.94 C Showalter Index: -1.55 C Risk: Thunderstorms probable Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 19.90 C K Index: 38.00 Risk: > 80 % chance of thunderstorms Sweat Index: 211.60 Risk: None Energy Index: -3.72 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2951.88 J/kg Max Up Vert Vel: 76.84 m/s Conv Inhibition (B-): 54.16 J/kg Cap Strength: 2.10 C Lift Cond Lev (LCL): 916.29 mb = 861.17 m = 2825.32 ft Lev Free Conv (LFC): 781.29 mb = 2247.21 m = 7372.64 ft Equ Level (EL): 131.29 mb = 15078.94 m = 49471.00 ft B at Equ Level: 2940.92 J/kg Wind level data Storm motion: 100 at 11 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 1009 4 270 1 1.0 -0.0 | 280 12 12.0 -2.0 1 1000 83 55 8 -6.6 -4.6 | 326 8 4.4 -6.6 2 975 305 55 7 -5.7 -4.0 | 319 8 5.3 -6.0 3 943 610 60 4 -3.5 -2.0 | 298 9 7.5 -4.0 4 925 778 0 0 -0.0 -0.0 | 280 11 11.0 -2.0 5 911 914 195 2 0.5 1.9 | 270 12 11.5 -0.1 6 880 1219 130 6 -4.6 3.9 | 254 7 6.4 1.8 7 850 1518 105 8 -7.7 2.1 | 269 3 3.3 0.0 8 820 1829 100 8 -7.9 1.4 | 281 3 3.1 -0.6 9 791 2134 85 10 -10.0 -0.9 | 340 3 1.0 -2.9 10 763 2438 70 13 -12.2 -4.4 | 11 7 -1.2 -6.5 11 736 2743 75 15 -14.5 -3.9 | 31 7 -3.5 -5.9 12 711 3048 85 19 -18.9 -1.7 | 65 9 -7.9 -3.7 13 700 3176 80 23 -22.7 -4.0 | 63 13 -11.7 -6.0 14 659 3658 75 32 -30.9 -8.3 | 63 22 -19.9 -10.3 15 635 3962 75 31 -29.9 -8.0 | 62 21 -19.0 -10.0 16 611 4267 70 19 -17.9 -6.5 | 39 11 -6.9 -8.5 17 589 4572 40 17 -10.9 -13.0 | 360 15 0.1 -15.0 18 567 4877 40 19 -12.2 -14.6 | 4 17 -1.2 -16.6 19 526 5486 60 13 -11.3 -6.5 | 2 9 -0.3 -8.5 20 500 5890 70 18 -16.9 -6.2 | 36 10 -5.9 -8.2 21 487 6096 75 19 -18.4 -4.9 | 47 10 -7.4 -6.9 22 400 7610 110 18 -16.9 6.2 | 125 7 -5.9 4.1 23 399 7620 105 18 -17.4 4.7 | 112 7 -6.4 2.6 24 325 9144 100 9 -8.9 1.6 | 282 2 2.1 -0.5 25 300 9730 75 12 -11.6 -3.1 | 7 5 -0.6 -5.1 26 262 10668 85 18 -17.9 -1.6 | 63 8 -6.9 -3.6 27 250 11010 90 19 -19.0 0.0 | 76 8 -8.0 -2.0 28 209 12192 90 28 -28.0 0.0 | 83 17 -17.0 -2.0 29 200 12500 85 31 -30.9 -2.7 | 77 20 -19.9 -4.7 30 165 13716 90 24 -24.0 0.0 | 81 13 -13.0 -2.0 31 150 14300 115 28 -25.4 11.8 | 124 17 -14.4 9.8 32 100 16670 95 25 -24.9 2.2 | 91 14 -13.9 0.2 Wind Parameters Mean winds (0-6000m): 70.4 at 14.9 knts Storm direction: 100.4 at 11.2 knts Shear (0-3000m) pos: 1.5 neg: 2.5 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 141.2 deg Storm rel helicity (0-3000m) pos: 36.5 neg: -31.3 tot: 5.2 m^2/s^2 ave: 1.7 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 1.6 10^-3/s Energy-Hel index: 0.39 Bulk Rich Number: 284.24 Bulk Shear: 10.39 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 55 6 315 8| 6.1 0.0 6.1| 18.4 -6.1 12.3 24.6 0.43| 12.3 5.3 1000 60 4 300 8| 1.7 0.0 1.7| 18.4 -27.2 -8.8 -8.8 -0.11| 11.0 -1.2 1500 87 5 291 7| 1.2 2.5 3.7| 19.5 -31.3 -11.8 -7.9 -0.10| 10.1 -1.0 2000 92 6 289 6| 0.9 2.4 3.3| 21.3 -31.3 -10.0 -5.0 -0.02| 8.2 -0.2 2500 87 7 300 5| 0.7 3.0 3.7| 25.5 -31.3 -5.8 -2.3 0.09| 7.8 0.7 3000 84 8 317 4| 1.5 2.5 4.0| 36.5 -31.3 5.2 1.7 0.21| 7.5 1.6 4000 80 13 27 5| 1.1 3.4 4.5| 38.4 -38.8 -0.4 -0.1 0.14| 7.8 1.1 5000 73 15 26 7| 0.9 2.0 2.9| 44.3 -90.1 -45.9 -9.2 -0.05| 8.6 -0.5 6000 70 15 23 8| 1.5 1.7 3.2| 60.1 -91.3 -31.2 -5.2 0.02| 8.2 0.1 Wrote GIF file: /home/apache/climate/data/raob//VO311/skewt/VO311.skewt.20250422.00.gif