UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for VO311... Searching the city database file for: VO311 ... Date:0000Z 28 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 -1 28.0 24.2 80 3.8 25.2 270 2 300.4 303.9 298.1 356.7 19.17 1 1008 7 30.8 24.8 70 6.0 26.3 277 3 303.3 306.9 299.2 362.5 19.92 2 1000 78 29.8 23.8 70 6.0 25.3 335 9 303.0 306.4 298.5 359.0 18.88 3 993 141 29.0 23.0 70 6.0 24.6 338 9 302.8 306.1 298.0 356.4 18.09 4 965 396 26.4 23.1 82 3.3 24.0 345 10 302.6 306.1 298.4 358.2 18.75 5 925 769 23.4 18.4 74 5.0 19.9 350 8 303.2 305.9 295.8 346.4 14.55 6 850 1505 19.4 16.1 81 3.3 17.1 85 6 306.5 309.0 296.1 347.5 13.67 7 738 2709 13.0 6.0 62 7.0 8.8 61 16 312.1 313.6 293.5 336.8 7.97 8 705 3093 11.0 0.0 47 11.0 5.0 58 15 314.0 315.1 292.0 331.2 5.43 9 700 3153 10.8 -5.2 32 16.0 2.9 55 14 314.4 315.2 290.7 326.3 3.71 10 699 3165 10.8 -6.2 30 17.0 2.7 55 14 314.6 315.2 290.5 325.6 3.44 11 676 3442 9.0 -2.0 46 11.0 3.2 44 16 315.6 316.5 292.0 331.2 4.89 12 672 3491 8.2 1.2 61 7.0 4.3 42 16 315.2 316.4 293.0 334.9 6.22 13 663 3602 7.0 3.2 77 3.8 4.8 38 17 315.1 316.5 293.8 338.0 7.29 14 638 3916 5.2 -1.8 61 7.0 1.5 47 12 316.5 317.5 292.6 333.3 5.26 15 614 4228 4.2 -1.8 65 6.0 1.0 75 7 318.9 319.9 293.4 336.4 5.47 16 603 4375 3.8 -6.2 48 10.0 -1.0 79 5 320.1 320.8 292.6 333.1 3.99 17 586 4606 2.4 -3.6 65 6.0 -0.7 72 4 321.1 322.0 293.7 337.3 5.01 18 531 5394 -2.1 -12.1 46 10.0 -6.3 37 7 324.8 325.4 292.9 334.4 2.85 19 522 5530 -2.5 -16.5 33 14.0 -7.8 43 7 326.0 326.4 292.5 332.9 2.02 20 500 5870 -4.3 -16.3 39 12.0 -8.8 70 6 327.8 328.2 293.1 335.2 2.14 21 476 6257 -6.5 -19.5 35 13.0 -11.0 61 6 329.7 330.1 293.3 335.7 1.71 22 460 6524 -8.1 -27.1 20 19.0 -13.4 61 8 331.0 331.1 292.9 334.2 0.90 23 425 7136 -11.9 -26.9 28 15.0 -16.0 63 13 333.7 333.9 293.6 337.3 0.99 24 409 7430 -13.3 -33.3 17 20.0 -17.9 64 15 335.6 335.7 293.7 337.7 0.56 25 400 7600 -13.9 -42.9 7 29.0 -19.0 65 16 336.9 337.0 293.8 337.8 0.22 26 399 7619 -13.9 -46.9 4 33.0 -19.1 65 14 337.2 337.2 293.7 337.7 0.14 27 350 8595 -21.1 -51.1 5 30.0 -24.7 49 13 340.3 340.3 294.5 340.7 0.10 28 321 9225 -25.7 -55.7 4 30.0 -28.5 33 12 342.5 342.5 295.0 342.7 0.06 29 300 9710 -29.1 -50.1 11 21.0 -31.2 340 2 344.4 344.4 295.5 344.9 0.13 30 284 10101 -32.3 -49.3 17 17.0 -33.9 302 6 345.2 345.3 295.7 345.8 0.15 31 256 10827 -39.1 -45.1 53 6.0 -39.6 235 12 345.6 345.6 295.9 346.7 0.27 32 250 10990 -40.3 -46.3 53 6.0 -40.8 225 11 346.2 346.2 296.0 347.1 0.24 33 215 11999 -48.5 -59.5 27 11.0 -48.9 213 14 348.7 348.7 296.4 348.9 0.06 34 200 12470 -52.3 -65.3 19 13.0 -52.6 205 17 349.9 350.0 296.7 350.1 0.03 35 150 14270 -66.9 -78.9 17 12.0 -67.0 200 10 354.8 354.8 297.7 354.9 0.01 36 138 14771 -70.3 -82.3 16 12.0 -70.4 203 10 357.4 357.4 298.2 357.4 0.00 37 122 15495 -75.3 -88.3 11 13.0 -75.3 208 11 361.1 361.1 298.9 361.1 0.00 38 113 15942 -73.5 -87.5 10 14.0 -73.5 210 11 372.5 372.5 301.0 372.5 0.00 39 105 16369 -75.9 -89.9 9 14.0 -75.9 213 11 375.8 375.8 301.6 375.8 0.00 40 100 16650 -78.3 -92.3 9 14.0 -78.3 215 11 376.4 376.4 301.6 376.4 0.00 41 98 16765 -78.3 -92.3 9 14.0 -78.3 378.6 378.6 302.0 378.6 0.00 42 63 19312 -74.5 -90.5 7 16.0 -74.6 438.0 438.0 309.7 438.0 0.00 43 60 19597 -71.9 -87.9 7 16.0 -72.0 450.0 450.0 310.8 450.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 556.67 mb = 5026.41 m = 16490.65 ft Wetbulb zero: 608.55 mb = 4300.24 m = 14108.22 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 62.64 % Est. max temperature: 33.70 C = 92.66 F Sfc-Lift cond lev (LCL): 955.37 mb = 484.05 m = 1588.08 ft T: 25.69 C 700-500 lapse rate: 5.56 C/km ThetaE index: 21.90 C Layer 738.0- 676.0 mb Conv cond level (CCL): 856.01 mb = 1443.71 m = 4736.54 ft Mean mixing ratio: 17.13 g/kg Conv temperature: 33.84 C = 92.90 F Cap Strength: 1.42 C Lifted Index: -2.68 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.75 C Lifted Index @700 mb: -0.82 C Showalter Index: -0.45 C Risk: Thunderstorms probable Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 20.40 C K Index: 23.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 211.20 Risk: None Energy Index: -2.42 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1069.27 J/kg Max Up Vert Vel: 46.24 m/s Conv Inhibition (B-): 33.83 J/kg Cap Strength: 1.42 C Lift Cond Lev (LCL): 896.69 mb = 1039.57 m = 3410.62 ft Lev Free Conv (LFC): 781.69 mb = 2219.13 m = 7280.52 ft Equ Level (EL): 161.69 mb = 13800.49 m = 45276.64 ft B at Equ Level: 1068.23 J/kg Max Parcel Lev (MPL): 91.69 mb = 17148.92 m = 56262.17 ft Wind level data Storm motion: 78 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 1009 -1 270 2 2.0 -0.0 | 261 9 8.9 1.5 1 1000 78 335 9 3.8 -8.2 | 302 13 10.7 -6.7 2 975 305 345 10 2.6 -9.7 | 311 13 9.5 -8.2 3 942 610 345 10 2.6 -9.7 | 311 13 9.5 -8.2 4 925 769 350 8 1.4 -7.9 | 308 10 8.3 -6.4 5 910 914 355 6 0.5 -6.0 | 301 9 7.4 -4.5 6 878 1219 45 3 -2.1 -2.1 | 278 5 4.8 -0.7 7 850 1505 85 6 -6.0 -0.5 | 225 1 0.9 0.9 8 818 1829 85 10 -10.0 -0.9 | 101 3 -3.1 0.6 9 789 2134 75 13 -12.6 -3.4 | 71 6 -5.6 -1.9 10 761 2438 65 15 -13.6 -6.3 | 54 8 -6.7 -4.9 11 735 2743 60 16 -13.9 -8.0 | 47 10 -6.9 -6.5 12 709 3048 60 15 -13.0 -7.5 | 45 9 -6.1 -6.0 13 700 3153 55 14 -11.5 -8.0 | 35 8 -4.6 -6.6 14 658 3658 35 17 -9.8 -13.9 | 13 13 -2.8 -12.5 15 633 3962 50 11 -8.4 -7.1 | 15 6 -1.5 -5.6 16 610 4267 80 6 -5.9 -1.0 | 247 1 1.0 0.4 17 587 4572 75 4 -3.9 -1.0 | 262 3 3.0 0.4 18 565 4877 25 5 -2.1 -4.5 | 303 6 4.8 -3.1 19 524 5486 40 7 -4.5 -5.4 | 328 5 2.4 -3.9 20 500 5870 70 6 -5.6 -2.1 | 295 1 1.3 -0.6 21 486 6096 60 5 -4.3 -2.5 | 292 3 2.6 -1.0 22 400 7600 65 16 -14.5 -6.8 | 55 9 -7.6 -5.3 23 399 7620 65 14 -12.7 -5.9 | 52 7 -5.8 -4.5 24 324 9144 40 13 -8.4 -10.0 | 10 9 -1.4 -8.5 25 300 9710 340 2 0.7 -1.9 | 273 8 7.6 -0.4 26 262 10668 245 12 10.9 5.1 | 250 19 17.8 6.5 27 250 10990 225 11 7.8 7.8 | 238 17 14.7 9.2 28 209 12192 210 15 7.5 13.0 | 225 20 14.4 14.5 29 200 12470 205 17 7.2 15.4 | 220 22 14.1 16.9 30 164 13716 205 18 7.6 16.3 | 219 23 14.5 17.8 31 150 14270 200 10 3.4 9.4 | 224 15 10.3 10.9 32 100 16650 215 11 6.3 9.0 | 232 17 13.2 10.5 Wind Parameters Mean winds (0-6000m): 48.0 at 9.4 knts Storm direction: 78.0 at 7.1 knts Shear (0-3000m) pos: 1.4 neg: 1.7 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 144.8 deg Storm rel helicity (0-3000m) pos: 26.1 neg: -18.9 tot: 7.2 m^2/s^2 ave: 2.4 10^-3 m/s^2 rel: -0.12 Storm rel vorticity (0-3000m) horiz: 6.3 stream: -0.7 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 77.49 Bulk Shear: 13.80 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 ------------------------------------------------------------------------------- 500 341 9 306 12| 10.0 0.0 10.0| 26.1 0.0 26.1 52.2 0.93| 10.8 10.0 1000 345 9 307 11| 3.0 0.0 3.0| 26.1 -4.6 21.5 21.5 0.49| 8.4 4.1 1500 355 7 307 9| 2.7 0.0 2.7| 26.1 -8.3 17.8 11.8 0.18| 8.1 1.5 2000 21 8 323 7| 2.0 1.5 3.5| 26.1 -10.5 15.6 7.8 0.00| 7.7 0.0 2500 41 9 348 5| 1.6 2.0 3.7| 26.1 -16.3 9.8 3.9 -0.09| 7.2 -0.7 3000 47 10 5 5| 1.4 1.7 3.1| 26.1 -18.9 7.2 2.4 -0.12| 6.3 -0.7 4000 47 11 11 6| 1.0 1.6 2.6| 27.4 -32.4 -4.9 -1.2 -0.18| 6.6 -1.2 5000 48 10 7 5| 1.1 1.6 2.7| 30.8 -32.8 -2.0 -0.4 -0.13| 6.5 -0.8 6000 48 9 1 5| 1.2 1.3 2.5| 33.3 -33.5 -0.2 -0.0 -0.11| 6.0 -0.6 Wrote GIF file: /home/apache/climate/data/raob//VO311/skewt/VO311.skewt.20250428.00.gif