UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for VO311... Searching the city database file for: VO311 ... Date:0000Z 26 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 1006 3 28.0 23.2 75 4.8 24.5 270 4 300.6 303.9 297.4 353.7 18.08 1 1000 56 30.8 24.8 70 6.0 26.3 315 6 304.0 307.7 299.4 363.9 20.08 2 965 376 28.0 24.3 80 3.7 25.2 333 6 304.2 308.0 299.6 364.6 20.20 3 939 618 25.4 24.3 94 1.1 24.6 345 7 304.0 307.8 299.8 366.0 20.78 4 925 751 24.4 23.8 96 0.6 24.0 345 9 304.3 308.0 299.7 365.4 20.46 5 893 1059 22.6 17.6 73 5.0 19.1 328 7 305.5 308.1 296.3 348.3 14.32 6 892 1069 22.8 13.8 57 9.0 16.8 327 7 305.8 307.9 294.1 339.4 11.19 7 890 1088 23.2 9.2 41 14.0 14.5 325 7 306.4 307.9 292.0 331.3 8.23 8 885 1138 23.6 2.6 25 21.0 11.7 319 6 307.3 308.3 289.8 323.3 5.21 9 873 1257 23.6 4.6 29 19.0 12.5 320 5 308.5 309.6 290.9 327.3 6.10 10 850 1490 22.6 8.6 41 14.0 13.8 20 3 309.8 311.4 293.1 335.2 8.27 11 849 1500 22.6 8.6 41 14.0 13.8 21 3 309.9 311.5 293.2 335.3 8.28 12 835 1645 21.0 12.0 56 9.0 15.1 38 5 309.7 311.7 294.8 342.1 10.61 13 811 1897 18.8 12.8 68 6.0 14.8 62 9 310.0 312.2 295.6 345.2 11.53 14 760 2452 14.8 11.9 83 2.9 12.9 85 12 311.5 313.7 296.0 347.1 11.60 15 725 2850 12.8 8.6 76 4.2 10.2 95 22 313.5 315.4 295.2 343.6 9.72 16 700 3145 11.0 3.0 58 8.0 6.4 95 27 314.7 316.0 293.3 336.0 6.80 17 686 3313 10.2 -1.8 43 12.0 3.9 97 26 315.6 316.5 292.0 331.2 4.89 18 678 3410 10.0 -8.0 27 18.0 1.6 98 25 316.4 317.0 290.7 326.5 3.08 19 667 3546 9.4 -18.6 12 28.0 -1.1 99 25 317.2 317.5 289.3 321.7 1.32 20 581 4673 2.0 -15.0 27 17.0 -4.7 85 11 321.4 321.8 291.2 328.3 2.05 21 557 5012 0.2 -18.8 22 19.0 -6.6 88 9 323.2 323.5 291.3 328.5 1.55 22 546 5172 -0.3 -17.3 26 17.0 -6.7 92 8 324.4 324.8 291.9 330.6 1.80 23 527 5454 -1.7 -14.7 36 13.0 -6.9 99 5 326.0 326.5 292.8 334.0 2.32 24 516 5622 -3.1 -12.1 50 9.0 -6.9 87 4 326.3 326.9 293.4 336.2 2.93 25 500 5870 -4.9 -11.9 58 7.0 -7.8 60 2 327.1 327.7 293.7 337.5 3.07 26 481 6173 -6.5 -17.5 41 11.0 -10.5 106 3 328.7 329.1 293.3 335.7 2.01 27 448 6724 -9.9 -22.9 34 13.0 -13.9 115 4 331.2 331.5 293.3 336.0 1.35 28 441 6845 -10.3 -19.3 48 9.0 -13.4 117 4 332.2 332.6 294.0 338.8 1.88 29 430 7039 -11.3 -24.3 33 13.0 -15.2 121 5 333.3 333.6 293.8 337.8 1.24 30 427 7093 -11.5 -31.5 17 20.0 -16.3 122 5 333.7 333.9 293.3 336.1 0.64 31 401 7571 -14.5 -37.5 12 23.0 -19.0 130 6 335.9 336.0 293.7 337.4 0.38 32 400 7590 -14.5 -37.5 12 23.0 -19.1 130 6 336.1 336.2 293.7 337.6 0.38 33 395 7685 -15.1 -30.1 27 15.0 -18.7 130 5 336.6 336.7 294.2 339.5 0.79 34 383 7918 -17.1 -27.1 42 10.0 -19.7 129 5 336.9 337.1 294.6 340.9 1.08 35 373 8116 -18.1 -33.1 26 15.0 -21.3 128 4 338.2 338.3 294.4 340.5 0.63 36 344 8717 -21.9 -40.9 16 19.0 -24.9 126 4 340.9 341.0 294.8 342.1 0.31 37 300 9710 -29.3 -46.3 18 17.0 -31.2 75 5 344.1 344.1 295.5 344.9 0.20 38 289 9975 -30.7 -42.7 30 12.0 -32.2 117 4 345.8 345.8 296.0 347.0 0.31 39 279 10222 -33.1 -41.1 45 8.0 -34.1 157 4 345.8 345.9 296.0 347.3 0.38 40 250 10980 -39.1 -48.1 38 9.0 -39.8 330 1 347.9 348.0 296.4 348.7 0.20 41 240 11259 -41.3 -54.3 23 13.0 -42.1 5 2 348.7 348.7 296.4 349.1 0.10 42 200 12470 -51.3 -64.3 20 13.0 -51.7 75 6 351.5 351.5 297.0 351.7 0.03 43 168 13581 -60.9 -75.9 12 15.0 -61.0 0 6 353.5 353.5 297.4 353.5 0.01 44 150 14280 -64.9 -81.9 8 17.0 -65.0 150 8 358.3 358.3 298.4 358.3 0.00 45 105 16374 -79.1 -96.1 4 17.0 -79.1 292 8 369.7 369.7 300.5 369.7 0.00 46 100 16650 -80.5 -97.5 4 17.0 -80.5 325 6 372.2 372.2 300.9 372.2 0.00 47 98 16764 -81.1 -98.1 4 17.0 -81.1 340 5 373.2 373.2 301.1 373.2 0.00 48 83 17701 -80.1 -97.1 4 17.0 -80.1 251 8 393.4 393.4 304.3 393.4 0.00 49 80 17908 -81.3 -98.3 4 17.0 -81.3 231 9 395.1 395.1 304.5 395.1 0.00 50 70 18670 -75.5 -93.5 4 18.0 -75.6 160 12 422.9 422.9 308.0 422.9 0.00 51 69 18754 -73.3 -92.3 4 19.0 -73.4 429.3 429.3 308.7 429.3 0.00 52 55 20087 -71.7 -98.7 1 27.0 -71.8 461.8 461.8 311.9 461.8 0.00 TRP 98 16764 -81.1 -98.1 4 17.0 -81.1 340 5 373.2 373.2 301.1 373.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5814.00 m Freezing level: 552.60 mb = 5076.22 m = 16654.05 ft Wetbulb zero: 671.39 mb = 3491.45 m = 11454.73 ft Precipitable water: 1.87 inches Sfc-500 mean rel hum: 49.96 % Est. max temperature: 36.85 C = 98.34 F Sfc-Lift cond lev (LCL): 938.61 mb = 622.02 m = 2040.74 ft T: 25.37 C 700-500 lapse rate: 5.83 C/km ThetaE index: 42.69 C Layer 925.0- 873.0 mb Conv cond level (CCL): 898.75 mb = 1002.76 m = 3289.86 ft Mean mixing ratio: 19.92 g/kg Conv temperature: 32.63 C = 90.73 F Cap Strength: 1.90 C Lifted Index: -6.38 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -7.76 C Lifted Index @700 mb: -3.02 C Showalter Index: 3.93 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 27.50 C Cross Totals Index: 13.50 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 111.20 Risk: None Energy Index: 0.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2935.39 J/kg Max Up Vert Vel: 76.62 m/s Conv Inhibition (B-): 36.14 J/kg Cap Strength: 1.90 C Lift Cond Lev (LCL): 914.14 mb = 854.29 m = 2802.74 ft Lev Free Conv (LFC): 809.14 mb = 1916.39 m = 6287.29 ft Equ Level (EL): 119.14 mb = 15632.60 m = 51287.42 ft B at Equ Level: 2906.32 J/kg Wind level data Storm motion: 114 at 9 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 3 270 4 4.0 -0.0 | 287 13 12.2 -3.6 1 1000 56 315 6 4.2 -4.2 | 302 15 12.4 -7.9 2 972 305 330 6 3.0 -5.2 | 308 14 11.2 -8.8 3 940 610 345 7 1.8 -6.8 | 316 14 10.0 -10.4 4 925 751 345 9 2.3 -8.7 | 320 16 10.5 -12.3 5 908 914 345 9 2.3 -8.7 | 320 16 10.5 -12.3 6 877 1219 310 5 3.8 -3.2 | 300 14 12.0 -6.8 7 850 1490 20 3 -1.0 -2.8 | 312 10 7.1 -6.4 8 817 1829 60 8 -6.9 -4.0 | 351 8 1.2 -7.6 9 788 2134 70 11 -10.3 -3.8 | 16 8 -2.2 -7.4 10 760 2438 85 12 -12.0 -1.0 | 39 6 -3.8 -4.7 11 734 2743 95 20 -19.9 1.7 | 81 12 -11.7 -1.9 12 708 3048 95 26 -25.9 2.3 | 86 18 -17.7 -1.4 13 700 3145 95 27 -26.9 2.4 | 86 19 -18.7 -1.3 14 657 3658 100 24 -23.6 4.2 | 92 15 -15.5 0.5 15 633 3962 100 20 -19.7 3.5 | 89 12 -11.5 -0.2 16 609 4267 100 16 -15.8 2.8 | 84 8 -7.6 -0.8 17 587 4572 85 11 -11.0 -1.0 | 31 5 -2.8 -4.6 18 565 4877 85 10 -10.0 -0.9 | 22 5 -1.8 -4.5 19 524 5486 100 5 -4.9 0.9 | 310 4 3.3 -2.8 20 500 5870 60 2 -1.7 -1.0 | 306 8 6.4 -4.6 21 486 6096 105 3 -2.9 0.8 | 298 6 5.3 -2.8 22 400 7590 130 6 -4.6 3.9 | 266 4 3.6 0.2 23 398 7620 130 5 -3.8 3.2 | 275 4 4.3 -0.4 24 324 9144 125 3 -2.5 1.7 | 288 6 5.7 -1.9 25 300 9710 75 5 -4.8 -1.3 | 326 6 3.3 -4.9 26 261 10668 230 3 2.3 1.9 | 279 11 10.5 -1.7 27 250 10980 330 1 0.5 -0.9 | 297 10 8.7 -4.5 28 209 12192 125 4 -3.3 2.3 | 285 5 4.9 -1.3 29 200 12470 75 6 -5.8 -1.6 | 335 6 2.4 -5.2 30 164 13716 350 6 1.0 -5.9 | 316 13 9.2 -9.5 31 150 14280 150 8 -4.0 6.9 | 232 5 4.2 3.3 32 127 15240 160 14 -4.8 13.2 | 200 10 3.4 9.5 33 100 16650 325 6 3.4 -4.9 | 306 14 11.6 -8.5 34 98 16764 340 5 1.7 -4.7 | 310 13 9.9 -8.3 35 70 18670 160 12 -4.1 11.3 | 208 9 4.1 7.7 Wind Parameters Mean winds (0-6000m): 83.9 at 11.9 knts Storm direction: 113.9 at 8.9 knts Shear (0-3000m) pos: 5.2 neg: 0.2 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 158.5 deg Storm rel helicity (0-3000m) pos: 82.0 neg: -20.6 tot: 61.5 m^2/s^2 ave: 20.5 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 4.3 10^-3/s Energy-Hel index: 1.03 Bulk Rich Number: 90.12 Bulk Shear: 32.57 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 ------------------------------------------------------------------------------- 500 326 6 307 14| 6.7 0.0 6.7| 23.7 0.0 23.7 47.3 0.93| 7.2 6.7 1000 336 7 313 15| 3.3 0.7 4.0| 30.1 -7.7 22.4 22.4 0.54| 6.0 3.2 1500 335 6 311 14| 2.2 0.5 2.7| 39.0 -20.6 18.4 12.3 0.28| 7.0 2.0 2000 354 6 319 13| 3.7 0.3 4.0| 56.4 -20.6 35.9 17.9 0.47| 7.4 3.5 2500 22 7 333 12| 3.8 0.3 4.1| 66.9 -20.6 46.3 18.5 0.55| 7.2 3.9 3000 54 10 357 9| 5.2 0.2 5.4| 82.0 -20.6 61.5 20.5 0.53| 8.0 4.3 4000 80 13 40 8| 3.2 0.2 3.3| 91.1 -22.8 68.3 17.1 0.47| 7.2 3.4 5000 83 13 45 7| 2.5 1.2 3.8| 91.1 -36.1 54.9 11.0 0.27| 7.0 1.9 6000 84 12 37 6| 1.8 1.2 3.0| 91.2 -41.7 49.5 8.3 0.17| 6.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//VO311/skewt/VO311.skewt.20250426.00.gif