UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for VO311... Searching the city database file for: VO311 ... Date:1200Z 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 1007 -1 34.0 28.0 71 6.0 29.3 270 2 306.5 311.1 302.3 380.1 24.24 1 1006 8 32.0 22.0 56 10.0 24.7 276 3 304.6 307.7 297.6 354.7 16.77 2 1004 25 30.8 21.8 59 9.0 24.2 289 4 303.6 306.7 297.3 352.9 16.60 3 1000 61 30.6 22.6 62 8.0 24.7 315 7 303.8 307.0 297.9 355.9 17.52 4 988 169 29.0 23.0 70 6.0 24.6 313 7 303.2 306.6 298.1 357.2 18.19 5 965 380 27.0 22.8 78 4.2 23.9 308 6 303.2 306.6 298.3 357.9 18.40 6 939 622 24.8 22.3 86 2.5 23.0 303 5 303.4 306.8 298.3 357.9 18.34 7 925 754 24.0 21.9 88 2.1 22.5 300 4 303.8 307.2 298.3 358.0 18.17 8 863 1359 21.4 15.4 69 6.0 17.3 161 3 307.2 309.6 295.7 346.0 12.86 9 850 1491 20.8 13.8 64 7.0 16.1 130 3 307.9 310.1 295.1 343.5 11.75 10 817 1833 19.2 11.2 60 8.0 14.0 117 6 309.7 311.7 294.6 341.1 10.28 11 775 2286 17.2 8.2 55 9.0 11.6 99 9 312.3 314.0 294.2 339.6 8.84 12 700 3147 11.4 5.4 67 6.0 7.8 65 16 315.1 316.7 294.4 340.4 8.06 13 699 3159 11.4 5.4 67 6.0 7.8 65 16 315.2 316.8 294.4 340.5 8.08 14 613 4241 5.2 0.2 70 5.0 2.4 77 11 320.2 321.4 294.4 340.6 6.35 15 604 4362 5.0 -4.0 52 9.0 0.4 78 10 321.3 322.2 293.5 336.7 4.71 16 559 4989 1.8 -5.2 60 7.0 -1.7 85 7 324.7 325.6 294.3 340.1 4.65 17 528 5447 -0.7 -9.7 51 9.0 -4.8 90 5 327.0 327.7 294.0 338.7 3.47 18 500 5880 -2.7 -15.7 36 13.0 -7.8 95 3 329.7 330.2 293.7 337.6 2.25 19 499 5896 -2.9 -15.9 36 13.0 -8.0 95 3 329.7 330.1 293.7 337.4 2.22 20 441 6862 -9.1 -18.1 48 9.0 -12.3 70 11 333.7 334.1 294.6 341.1 2.09 21 421 7219 -10.9 -24.9 31 14.0 -15.0 60 14 335.9 336.1 294.4 340.3 1.20 22 415 7329 -11.5 -32.5 16 21.0 -16.5 57 15 336.5 336.6 294.0 338.8 0.60 23 406 7497 -12.5 -52.5 2 40.0 -18.3 53 16 337.3 337.3 293.7 337.6 0.07 24 400 7610 -13.3 -59.3 1 46.0 -19.0 50 17 337.7 337.7 293.8 337.8 0.03 25 347 8678 -20.7 -51.7 4 31.0 -24.5 43 15 341.7 341.7 294.8 342.1 0.09 26 300 9740 -28.3 -61.3 3 33.0 -30.8 35 12 345.5 345.5 295.7 345.6 0.03 27 250 11020 -38.9 -50.9 27 12.0 -39.8 225 5 348.2 348.3 296.4 348.8 0.14 28 249 11047 -39.1 -52.1 24 13.0 -40.0 225 5 348.3 348.4 296.4 348.9 0.12 29 200 12510 -50.7 -66.7 13 16.0 -51.1 220 18 352.5 352.5 297.2 352.6 0.02 30 150 14320 -64.9 -89.9 2 25.0 -65.0 200 10 358.3 358.3 298.4 358.3 0.00 31 125 15424 -71.9 -98.9 1 27.0 -71.9 179 12 364.8 364.8 299.6 364.8 0.00 32 97 16899 -80.5 -104.5 1 24.0 -80.5 150 15 375.5 375.5 301.5 375.5 0.00 33 93 17138 -81.1 -105.1 1 24.0 -81.1 145 16 378.8 378.8 302.1 378.8 0.00 34 87 17519 -77.7 -102.7 1 25.0 -77.7 111 15 392.9 392.9 304.2 392.9 0.00 35 85 17654 -75.3 -101.3 1 26.0 -75.3 99 14 400.4 400.4 305.3 400.4 0.00 36 78 18153 -76.7 -101.7 1 25.0 -76.7 55 13 407.5 407.5 306.2 407.5 0.00 37 70 18780 -76.1 -102.1 1 26.0 -76.2 360 11 421.6 421.6 307.9 421.6 0.00 38 68 18947 -76.1 -101.1 1 25.0 -76.2 425.1 425.1 308.3 425.1 0.00 39 63 19392 -72.9 -98.9 1 26.0 -73.0 441.5 441.5 310.0 441.5 0.00 TRP 93 17138 -81.1 -105.1 1 24.0 -81.1 145 16 378.8 378.8 302.1 378.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5819.00 m Freezing level: 536.68 mb = 5318.62 m = 17449.32 ft Wetbulb zero: 596.08 mb = 4468.94 m = 14661.69 ft Precipitable water: 2.08 inches Sfc-500 mean rel hum: 63.49 % Est. max temperature: 35.02 C = 95.03 F Sfc-Lift cond lev (LCL): 924.58 mb = 757.93 m = 2486.62 ft T: 23.98 C 700-500 lapse rate: 5.16 C/km ThetaE index: 27.18 C Layer 1006.0-1000.0 mb Conv cond level (CCL): 836.59 mb = 1628.27 m = 5342.03 ft Mean mixing ratio: 18.02 g/kg Conv temperature: 36.13 C = 97.04 F Cap Strength: 1.58 C Lifted Index: -2.19 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.71 C Lifted Index @700 mb: -1.10 C Showalter Index: 2.67 C Risk: Showers probable Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 16.50 C K Index: 31.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 174.60 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1175.67 J/kg Max Up Vert Vel: 48.49 m/s Conv Inhibition (B-): 72.10 J/kg Cap Strength: 2.96 C Lift Cond Lev (LCL): 899.42 mb = 998.66 m = 3276.39 ft Lev Free Conv (LFC): 734.42 mb = 2740.79 m = 8991.98 ft Equ Level (EL): 154.42 mb = 14137.20 m = 46381.31 ft B at Equ Level: 1167.95 J/kg Max Parcel Lev (MPL): 84.42 mb = 17693.33 m = 58048.29 ft Wind level data Storm motion: 96 at 6 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 | 275 8 8.1 -0.7 1 1000 61 315 7 4.9 -4.9 | 297 12 11.1 -5.6 2 925 754 300 4 3.5 -2.0 | 286 10 9.6 -2.7 3 850 1491 130 3 -2.3 1.9 | 252 4 3.8 1.3 4 700 3147 65 16 -14.5 -6.8 | 48 11 -8.4 -7.4 5 500 5880 95 3 -3.0 0.3 | 278 3 3.1 -0.4 6 400 7610 50 17 -13.0 -10.9 | 31 14 -6.9 -11.6 7 300 9740 35 12 -6.9 -9.8 | 4 11 -0.8 -10.5 8 250 11020 225 5 3.5 3.5 | 253 10 9.6 2.9 9 200 12510 220 18 11.6 13.8 | 233 22 17.7 13.1 10 150 14320 200 10 3.4 9.4 | 228 13 9.5 8.7 11 93 17138 145 16 -9.2 13.1 | 166 13 -3.1 12.4 12 70 18780 360 11 -0.0 -11.0 | 332 13 6.1 -11.7 Wind Parameters Mean winds (0-6000m): 66.3 at 8.2 knts Storm direction: 96.3 at 6.1 knts Shear (0-3000m) pos: 0.6 neg: 3.1 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 140.2 deg Storm rel helicity (0-3000m) pos: 10.2 neg: -33.2 tot: -23.1 m^2/s^2 ave: -7.7 10^-3 m/s^2 rel: -0.44 Storm rel vorticity (0-3000m) horiz: 5.9 stream: -2.6 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 62.09 Bulk Shear: 18.93 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 ------------------------------------------------------------------------------- 500 310 6 293 11| 3.8 0.0 3.8| 9.7 -4.2 5.5 11.0 0.32| 7.8 2.5 1000 303 5 288 11| 1.9 2.4 4.3| 9.7 -15.8 -6.1 -6.1 -0.16| 6.4 -1.0 1500 306 4 289 10| 1.3 2.8 4.1| 10.2 -21.5 -11.3 -7.6 -0.22| 6.5 -1.4 2000 318 5 294 10| 0.9 3.1 4.0| 10.2 -23.9 -13.7 -6.8 -0.33| 6.0 -2.0 2500 63 5 339 3| 0.8 3.2 3.9| 10.2 -26.7 -16.5 -6.6 -0.41| 5.8 -2.4 3000 62 7 357 4| 0.6 3.1 3.8| 10.2 -33.2 -23.1 -7.7 -0.44| 5.9 -2.6 4000 63 9 19 5| 0.5 2.3 2.8| 12.2 -36.2 -24.1 -6.0 -0.38| 5.2 -2.0 5000 66 9 25 5| 0.9 1.8 2.7| 12.3 -36.7 -24.4 -4.9 -0.35| 4.7 -1.6 6000 66 8 19 4| 1.0 1.5 2.5| 12.5 -37.5 -25.0 -4.2 -0.36| 4.3 -1.5 Wrote GIF file: /home/apache/climate/data/raob//VO311/skewt/VO311.skewt.20250428.12.gif