UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for VO311... Searching the city database file for: VO311 ... Date:0000Z 29 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 1007 -1 28.0 25.2 85 2.8 25.9 270 2 300.5 304.3 298.8 360.7 20.43 1 1006 8 29.2 24.5 76 4.7 25.7 279 2 301.8 305.4 298.7 359.8 19.59 2 1000 61 29.2 24.2 75 5.0 25.5 335 5 302.4 305.9 298.7 359.7 19.35 3 963 397 26.0 23.7 87 2.3 24.3 330 3 302.4 306.0 298.7 360.2 19.50 4 946 554 24.2 22.5 90 1.7 23.0 304 2 302.1 305.5 298.0 356.6 18.43 5 925 751 23.6 20.7 84 2.9 21.5 230 1 303.4 306.6 297.4 353.5 16.84 6 909 904 23.2 19.0 77 4.2 20.2 193 2 304.5 307.4 296.7 350.4 15.39 7 850 1488 20.4 13.4 64 7.0 15.7 65 5 307.5 309.7 294.8 342.1 11.44 8 727 2821 12.6 7.6 72 5.0 9.5 85 16 313.0 314.8 294.6 341.1 9.05 9 700 3138 11.0 4.0 62 7.0 6.9 85 18 314.7 316.1 293.7 337.6 7.30 10 695 3198 10.8 2.8 58 8.0 6.2 83 18 315.1 316.4 293.4 336.3 6.75 11 679 3391 10.2 -1.8 43 12.0 3.8 78 17 316.5 317.5 292.3 332.3 4.94 12 655 3689 8.4 -10.6 25 19.0 0.0 70 16 317.8 318.3 290.7 326.3 2.60 13 631 3996 6.4 -5.6 42 12.0 0.5 75 13 318.9 319.7 292.2 331.9 3.99 14 627 4048 5.8 -2.2 56 8.0 1.6 74 13 318.8 319.8 293.2 335.5 5.20 15 623 4100 5.2 0.5 72 4.7 2.6 73 13 318.7 319.9 294.1 339.1 6.38 16 603 4366 3.2 0.9 85 2.3 1.9 71 12 319.4 320.7 294.6 341.1 6.79 17 550 5105 -1.1 -7.1 64 6.0 -3.9 99 8 322.8 323.6 293.4 336.2 4.08 18 545 5178 -1.5 -10.5 50 9.0 -5.4 102 7 323.1 323.8 292.7 333.7 3.15 19 523 5505 -2.9 -8.9 63 6.0 -5.6 116 5 325.3 326.0 293.7 337.7 3.73 20 500 5860 -4.7 -14.7 45 10.0 -8.7 135 4 327.3 327.8 293.2 335.7 2.45 21 499 5876 -4.9 -14.9 45 10.0 -8.8 131 4 327.3 327.7 293.2 335.5 2.41 22 493 5971 -4.9 -20.9 27 16.0 -10.3 110 4 328.4 328.7 292.7 333.5 1.47 23 488 6051 -4.9 -28.9 13 24.0 -11.5 91 3 329.3 329.5 292.3 332.0 0.72 24 468 6379 -6.7 -21.7 29 15.0 -11.6 75 4 331.1 331.4 293.4 336.2 1.44 25 445 6771 -9.1 -32.1 14 23.0 -14.7 69 5 332.9 333.0 293.0 335.0 0.58 26 436 6929 -9.5 -56.5 1 47.0 -16.1 66 5 334.3 334.3 292.9 334.5 0.04 27 400 7590 -13.7 -58.7 1 45.0 -19.2 55 7 337.2 337.2 293.7 337.3 0.03 28 351 8565 -21.1 -64.1 1 43.0 -24.9 50 9 340.0 340.0 294.3 340.1 0.02 29 300 9700 -30.1 -54.1 8 24.0 -32.1 15 11 343.0 343.0 295.1 343.3 0.08 30 255 10835 -39.1 -52.1 24 13.0 -40.0 294 7 346.0 346.0 295.8 346.5 0.12 31 250 10970 -41.3 -51.3 33 10.0 -41.9 285 9 344.7 344.7 295.6 345.2 0.14 32 246 11079 -41.5 -50.5 37 9.0 -42.1 278 9 346.0 346.0 295.8 346.6 0.15 33 239 11274 -43.3 -49.3 52 6.0 -43.7 265 8 346.1 346.2 295.9 346.9 0.18 34 200 12450 -52.1 -61.1 33 9.0 -52.4 225 7 350.3 350.3 296.7 350.5 0.05 35 150 14250 -65.7 -80.7 11 15.0 -65.8 220 4 356.9 356.9 298.1 356.9 0.00 36 136 14842 -68.7 -85.7 7 17.0 -68.8 156 5 361.7 361.7 299.0 361.7 0.00 37 115 15829 -75.7 -94.7 4 19.0 -75.7 163 6 366.5 366.5 299.9 366.5 0.00 38 105 16352 -78.9 -97.9 3 19.0 -78.9 213 7 370.1 370.1 300.6 370.1 0.00 39 100 16630 -78.1 -97.1 3 19.0 -78.1 240 8 376.8 376.8 301.7 376.8 0.00 40 87 17421 -80.3 -100.3 2 20.0 -80.3 387.7 387.7 303.5 387.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 563.56 mb = 4915.92 m = 16128.15 ft Wetbulb zero: 585.69 mb = 4599.82 m = 15091.09 ft Precipitable water: 2.00 inches Sfc-500 mean rel hum: 65.51 % Est. max temperature: 34.62 C = 94.31 F Sfc-Lift cond lev (LCL): 967.45 mb = 355.54 m = 1166.45 ft T: 26.39 C 700-500 lapse rate: 5.77 C/km ThetaE index: 33.86 C Layer 946.0- 631.0 mb Conv cond level (CCL): 859.68 mb = 1389.42 m = 4558.41 ft Mean mixing ratio: 18.34 g/kg Conv temperature: 34.48 C = 94.07 F Cap Strength: 1.50 C Lifted Index: -4.19 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.45 C Lifted Index @700 mb: -1.44 C Showalter Index: 1.26 C Risk: Showers probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 25.10 C Cross Totals Index: 18.10 C K Index: 31.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 174.80 Risk: None Energy Index: -1.22 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1696.88 J/kg Max Up Vert Vel: 58.26 m/s Conv Inhibition (B-): 40.62 J/kg Cap Strength: 1.46 C Lift Cond Lev (LCL): 914.23 mb = 853.56 m = 2800.37 ft Lev Free Conv (LFC): 789.23 mb = 2120.46 m = 6956.82 ft Equ Level (EL): 149.23 mb = 14281.17 m = 46853.66 ft B at Equ Level: 1690.23 J/kg Wind level data Storm motion: 111 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 1007 -1 270 2 2.0 -0.0 | 286 9 8.2 -2.3 1 1000 61 335 5 2.1 -4.5 | 310 11 8.3 -6.9 2 973 305 345 4 1.0 -3.9 | 311 10 7.3 -6.2 3 940 610 295 2 1.8 -0.8 | 292 9 8.0 -3.2 4 925 751 230 1 0.8 0.6 | 284 7 7.0 -1.7 5 908 914 190 2 0.3 2.0 | 273 7 6.6 -0.4 6 877 1219 100 3 -3.0 0.5 | 299 4 3.3 -1.8 7 850 1488 65 5 -4.5 -2.1 | 339 5 1.7 -4.5 8 817 1829 75 8 -7.7 -2.1 | 19 5 -1.5 -4.4 9 788 2134 85 8 -8.0 -0.7 | 30 4 -1.7 -3.0 10 760 2438 85 11 -11.0 -1.0 | 55 6 -4.7 -3.3 11 733 2743 85 15 -14.9 -1.3 | 67 9 -8.7 -3.7 12 707 3048 85 18 -17.9 -1.6 | 71 12 -11.7 -3.9 13 700 3138 85 18 -17.9 -1.6 | 71 12 -11.7 -3.9 14 656 3658 70 16 -15.0 -5.5 | 48 12 -8.8 -7.8 15 632 3962 75 13 -12.6 -3.4 | 48 9 -6.3 -5.7 16 609 4267 70 12 -11.3 -4.1 | 38 8 -5.0 -6.5 17 586 4572 75 11 -10.6 -2.8 | 40 7 -4.4 -5.2 18 565 4877 90 9 -9.0 0.0 | 50 4 -2.8 -2.3 19 524 5486 115 5 -4.5 2.1 | 278 2 1.7 -0.2 20 500 5860 135 4 -2.8 2.8 | 262 3 3.4 0.5 21 485 6096 80 3 -3.0 -0.5 | 311 4 3.3 -2.9 22 400 7590 55 7 -5.7 -4.0 | 356 6 0.5 -6.4 23 398 7620 50 7 -5.4 -4.5 | 353 7 0.9 -6.8 24 324 9144 50 10 -7.7 -6.4 | 9 9 -1.4 -8.8 25 300 9700 15 11 -2.8 -10.6 | 345 13 3.4 -13.0 26 261 10668 305 4 3.3 -2.3 | 296 11 9.5 -4.6 27 250 10970 285 9 8.7 -2.3 | 287 16 14.9 -4.7 28 208 12192 205 6 2.5 5.4 | 251 9 8.8 3.1 29 200 12450 225 7 4.9 4.9 | 257 11 11.2 2.6 30 163 13716 195 13 3.4 12.6 | 223 14 9.6 10.2 31 150 14250 220 4 2.6 3.1 | 265 9 8.8 0.7 32 127 15240 110 5 -4.7 1.7 | 293 2 1.5 -0.6 33 100 16630 240 8 6.9 4.0 | 263 13 13.2 1.7 Wind Parameters Mean winds (0-6000m): 80.6 at 8.9 knts Storm direction: 110.6 at 6.7 knts Shear (0-3000m) pos: 1.2 neg: 2.1 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 145.0 deg Storm rel helicity (0-3000m) pos: 27.0 neg: -12.7 tot: 14.3 m^2/s^2 ave: 4.8 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 1.9 10^-3/s Energy-Hel index: 0.21 Bulk Rich Number: 113.32 Bulk Shear: 14.97 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 ------------------------------------------------------------------------------- 500 335 4 307 10| 1.9 0.0 1.9| 10.1 -5.5 4.5 9.1 0.24| 8.0 2.0 1000 321 3 300 9| 1.0 2.5 3.4| 10.1 -12.7 -2.6 -2.6 -0.12| 6.7 -0.8 1500 10 3 313 8| 0.6 2.3 2.9| 15.1 -12.7 2.4 1.6 0.17| 6.6 1.1 2000 56 4 328 5| 0.9 1.7 2.6| 19.3 -12.7 6.7 3.3 0.29| 5.9 1.7 2500 71 5 341 4| 1.5 1.4 2.8| 22.6 -12.7 9.9 4.0 0.35| 5.6 1.9 3000 77 7 6 4| 1.2 2.1 3.3| 27.0 -12.7 14.3 4.8 0.34| 5.7 1.9 4000 77 9 33 5| 0.9 1.0 1.9| 27.4 -28.6 -1.2 -0.3 0.15| 5.3 0.8 5000 77 10 35 5| 0.6 0.6 1.2| 29.1 -31.3 -2.2 -0.4 0.13| 5.0 0.6 6000 81 9 34 5| 0.4 0.5 0.9| 30.8 -32.1 -1.3 -0.2 0.10| 4.8 0.5 Wrote GIF file: /home/apache/climate/data/raob//VO311/skewt/VO311.skewt.20250429.00.gif