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 VO371... Searching the city database file for: VO371 ... Date:0000Z 26 APR 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 1001 69 26.8 25.1 90 1.7 25.6 0 0 299.9 303.6 298.7 359.8 20.43 1 1000 78 26.4 25.2 93 1.2 25.5 105 2 299.5 303.3 298.7 359.9 20.58 2 925 767 23.4 21.8 91 1.6 22.2 335 19 303.2 306.6 298.1 356.9 18.05 3 872 1286 20.4 18.9 91 1.5 19.4 349 11 305.3 308.2 297.3 353.0 15.96 4 850 1510 20.2 17.3 83 2.9 18.2 355 7 307.3 310.1 297.0 351.9 14.78 5 848 1530 20.4 16.7 79 3.7 17.8 356 7 307.7 310.4 296.8 350.7 14.25 6 793 2108 16.0 15.0 94 1.0 15.3 15 6 309.0 311.5 296.7 350.4 13.65 7 734 2764 12.2 8.7 79 3.5 10.0 37 5 311.7 313.6 294.7 341.5 9.67 8 708 3067 11.8 0.8 47 11.0 5.7 47 5 314.5 315.6 292.4 332.6 5.73 9 700 3163 11.4 1.4 50 10.0 5.8 50 5 315.1 316.3 292.9 334.2 6.06 10 673 3490 10.4 -2.6 40 13.0 3.6 61 5 317.6 318.5 292.4 332.6 4.70 11 655 3714 8.4 0.4 57 8.0 3.9 68 5 317.8 318.9 293.6 337.0 6.02 12 543 5235 0.0 -11.0 43 11.0 -4.8 118 7 325.3 325.9 293.2 335.5 3.04 13 531 5414 -0.9 -16.9 29 16.0 -7.0 124 7 326.3 326.7 292.5 332.9 1.92 14 521 5565 -2.1 -13.1 43 11.0 -6.7 129 7 326.6 327.1 293.2 335.7 2.68 15 517 5626 -2.3 -18.3 28 16.0 -8.1 131 7 327.1 327.4 292.6 333.2 1.75 16 500 5890 -3.9 -19.9 28 16.0 -9.5 140 7 328.3 328.6 292.7 333.8 1.58 17 490 6049 -4.5 -25.5 18 21.0 -10.8 136 8 329.5 329.6 292.5 333.0 0.98 18 480 6210 -5.5 -19.5 32 14.0 -10.4 133 8 330.2 330.5 293.3 336.1 1.70 19 408 7461 -14.3 -29.3 27 15.0 -18.0 104 12 334.5 334.7 293.7 337.6 0.83 20 401 7591 -15.3 -25.3 42 10.0 -18.1 100 13 334.9 335.1 294.1 339.3 1.22 21 400 7610 -15.5 -24.5 46 9.0 -18.0 100 13 334.8 335.1 294.2 339.6 1.31 22 380 7995 -17.9 -31.9 28 14.0 -21.0 104 13 336.6 336.8 294.1 339.2 0.70 23 369 8214 -19.9 -29.9 41 10.0 -22.2 107 13 336.8 337.0 294.3 340.0 0.87 24 358 8438 -21.1 -33.1 33 12.0 -23.5 110 13 338.1 338.3 294.4 340.6 0.66 25 355 8500 -21.5 -29.5 48 8.0 -23.3 110 13 338.4 338.6 294.8 341.9 0.93 26 347 8668 -22.1 -36.1 27 14.0 -24.6 112 13 339.8 339.9 294.7 341.7 0.50 27 300 9720 -30.3 -45.3 22 15.0 -32.0 125 14 342.7 342.7 295.2 343.6 0.22 28 293 9888 -31.3 -47.3 19 16.0 -33.0 122 14 343.6 343.6 295.4 344.3 0.18 29 285 10085 -32.7 -43.7 33 11.0 -34.0 118 15 344.3 344.4 295.6 345.4 0.28 30 279 10235 -33.3 -51.3 15 18.0 -34.8 115 15 345.5 345.6 295.7 346.0 0.12 31 250 11000 -39.5 -49.5 34 10.0 -40.2 100 17 347.3 347.4 296.2 348.0 0.17 32 248 11055 -39.9 -48.9 38 9.0 -40.6 100 17 347.5 347.6 296.3 348.3 0.18 33 236 11390 -42.9 -53.9 29 11.0 -43.5 97 15 348.0 348.0 296.3 348.4 0.11 34 206 12289 -50.7 -56.7 49 6.0 -50.9 91 11 349.5 349.5 296.6 349.9 0.09 35 200 12480 -52.1 -58.1 48 6.0 -52.3 90 10 350.3 350.3 296.8 350.6 0.07 36 197 12578 -52.9 -60.9 37 8.0 -53.1 86 11 350.5 350.5 296.8 350.7 0.05 37 182 13084 -57.5 -61.4 61 3.9 -57.6 67 13 351.1 351.1 296.9 351.3 0.05 38 163 13772 -63.7 -68.4 53 4.7 -63.7 40 17 351.9 351.9 297.1 352.0 0.02 39 157 14002 -64.5 -72.5 32 8.0 -64.6 31 18 354.3 354.3 297.5 354.4 0.01 40 150 14280 -66.3 -74.3 32 8.0 -66.4 20 20 355.9 355.9 297.9 355.9 0.01 41 100 16630 -82.1 -86.5 47 4.4 -82.1 245 9 369.1 369.1 300.4 369.1 0.00 42 87 17416 -79.7 -86.7 30 7.0 -79.7 190 8 388.9 388.9 303.6 388.9 0.00 43 80 17890 -81.5 -87.5 35 6.0 -81.5 157 7 394.7 394.7 304.5 394.7 0.00 44 73 18404 -82.3 -88.3 35 6.0 -82.3 121 6 403.4 403.4 305.7 403.5 0.00 45 70 18640 -80.5 -88.5 25 8.0 -80.5 105 6 412.2 412.2 306.8 412.2 0.00 46 62 19337 -73.9 -85.9 14 12.0 -74.0 441.3 441.3 310.0 441.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 543.00 mb = 5235.33 m = 17176.08 ft Wetbulb zero: 604.38 mb = 4366.38 m = 14325.23 ft Precipitable water: 2.16 inches Sfc-500 mean rel hum: 65.61 % Est. max temperature: 34.15 C = 93.47 F Sfc-Lift cond lev (LCL): 977.08 mb = 282.89 m = 928.10 ft T: 25.51 C 700-500 lapse rate: 5.61 C/km ThetaE index: 27.27 C Layer 925.0- 700.0 mb Conv cond level (CCL): 902.43 mb = 984.43 m = 3229.70 ft Mean mixing ratio: 18.89 g/kg Conv temperature: 31.03 C = 87.86 F Cap Strength: 0.96 C Lifted Index: -3.63 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -6.00 C Lifted Index @700 mb: -1.22 C Showalter Index: -1.58 C Risk: Thunderstorms probable Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 21.20 C K Index: 31.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 228.60 Risk: None Energy Index: -3.48 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1920.47 J/kg Max Up Vert Vel: 61.98 m/s Conv Inhibition (B-): 15.78 J/kg Cap Strength: 0.96 C Lift Cond Lev (LCL): 931.04 mb = 709.46 m = 2327.60 ft Lev Free Conv (LFC): 816.04 mb = 1861.19 m = 6106.21 ft Equ Level (EL): 136.04 mb = 14846.07 m = 48707.00 ft B at Equ Level: 1903.91 J/kg Wind level data Storm motion: 59 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 1001 69 0 0 -0.0 -0.0 | 239 6 4.7 2.8 1 1000 78 105 2 -1.9 0.5 | 220 4 2.8 3.4 2 925 767 335 19 8.0 -17.2 | 318 19 12.8 -14.4 3 850 1510 355 7 0.6 -7.0 | 308 7 5.3 -4.1 4 700 3163 50 5 -3.8 -3.2 | 293 1 0.9 -0.4 5 500 5890 140 7 -4.5 5.4 | 182 8 0.2 8.2 6 400 7610 100 13 -12.8 2.3 | 122 10 -8.1 5.1 7 300 9720 125 14 -11.5 8.0 | 148 13 -6.7 10.9 8 250 11000 100 17 -16.7 3.0 | 116 13 -12.0 5.8 9 200 12480 90 10 -10.0 0.0 | 118 6 -5.3 2.8 10 150 14280 20 20 -6.8 -18.8 | 8 16 -2.1 -16.0 11 100 16630 245 9 8.2 3.8 | 243 14 12.9 6.6 12 70 18640 105 6 -5.8 1.6 | 166 5 -1.1 4.4 Wind Parameters Mean winds (0-6000m): 29.1 at 7.3 knts Storm direction: 59.1 at 5.5 knts Shear (0-3000m) pos: 2.0 neg: 1.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 64.5 deg Storm rel helicity (0-3000m) pos: 4.0 neg: -54.2 tot: -50.3 m^2/s^2 ave: -16.8 10^-3 m/s^2 rel: -0.49 Storm rel vorticity (0-3000m) horiz: 8.8 stream: -4.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 8964.21 Bulk Shear: 0.21 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 21 8 337 5| 14.5 0.0 14.5| 0.0 -16.0 -16.0 -31.9 -0.74| 21.6-16.1 1000 339 12 314 12| 7.3 3.7 10.9| 2.7 -49.8 -47.0 -47.0 -0.62| 19.7-12.1 1500 341 12 313 12| 3.4 2.4 5.8| 2.7 -54.0 -51.3 -34.2 -0.55| 15.7 -8.7 2000 345 10 314 10| 2.8 1.8 4.6| 3.7 -54.0 -50.3 -25.2 -0.52| 12.3 -6.4 2500 349 9 315 9| 2.3 1.5 3.8| 4.0 -54.0 -50.1 -20.0 -0.49| 10.2 -5.0 3000 353 9 315 8| 2.0 1.2 3.2| 4.0 -54.2 -50.3 -16.8 -0.49| 8.8 -4.3 4000 4 8 320 7| 1.6 0.9 2.6| 4.0 -54.4 -50.5 -12.6 -0.48| 7.0 -3.4 5000 16 7 329 5| 1.4 0.7 2.1| 4.9 -54.4 -49.5 -9.9 -0.44| 6.0 -2.6 6000 29 7 342 4| 1.2 0.6 1.8| 7.9 -56.1 -48.2 -8.0 -0.40| 5.3 -2.1 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250426.00.gif