UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for VVVH... Searching the city database file for: VVVH ... Date:0000Z 18 OCT 25 Station: VVVH WMO ident: 48845 Latitude: 18.70 Longitude: 105.67 Elevation: 6.00 ------------------------------------------------------------------------------- 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 1012 6 25.2 24.0 93 1.2 24.3 285 1 297.3 300.8 297.1 352.1 18.88 1 1000 108 24.2 23.8 98 0.4 23.9 310 3 297.4 300.8 297.1 352.1 18.88 2 929 754 21.6 21.6 100 0.0 21.6 44 18 301.0 304.3 297.3 353.2 17.75 3 925 792 21.4 21.4 100 0.0 21.4 50 19 301.2 304.4 297.3 353.0 17.61 4 850 1524 18.2 16.8 92 1.4 17.2 60 17 305.2 307.9 296.2 348.0 14.31 5 764 2431 12.6 12.6 100 0.0 12.6 68 16 308.6 310.9 295.6 345.3 12.09 6 736 2745 11.8 8.3 79 3.5 9.6 71 16 311.1 312.8 294.3 339.9 9.38 7 704 3117 9.0 7.1 88 1.9 7.8 75 15 311.9 313.7 294.3 339.8 9.03 8 700 3164 9.2 6.9 86 2.3 7.8 75 15 312.7 314.4 294.4 340.4 8.96 9 686 3332 9.2 3.2 66 6.0 5.8 75 15 314.5 315.8 293.4 336.6 7.04 10 685 3344 9.2 3.2 66 6.0 5.8 75 15 314.6 316.0 293.5 336.7 7.05 11 621 4149 3.2 0.5 82 2.7 1.7 75 17 316.7 317.9 293.6 337.0 6.40 12 602 4401 2.4 -5.6 55 8.0 -1.4 75 18 318.6 319.4 292.3 332.2 4.19 13 577 4743 0.0 -7.0 59 7.0 -3.3 75 18 319.7 320.4 292.4 332.5 3.92 14 560 4983 -1.1 -7.1 64 6.0 -3.9 75 19 321.1 321.9 292.9 334.3 4.01 15 500 5880 -6.1 -19.1 35 13.0 -10.5 75 21 325.6 325.9 292.1 331.4 1.69 16 499 5896 -6.3 -19.3 35 13.0 -10.7 75 21 325.5 325.9 292.1 331.3 1.66 17 486 6102 -7.7 -15.7 53 8.0 -10.7 77 20 326.3 326.8 292.9 334.2 2.32 18 466 6429 -9.1 -23.1 31 14.0 -13.3 80 18 328.5 328.7 292.5 333.0 1.28 19 462 6495 -9.5 -21.5 37 12.0 -13.3 80 17 328.8 329.1 292.8 334.0 1.48 20 459 6546 -9.5 -13.1 75 3.6 -10.9 81 17 329.4 330.0 294.3 339.8 3.04 21 441 6854 -11.3 -13.0 87 1.7 -12.0 83 15 330.9 331.6 294.8 341.9 3.19 22 435 6960 -11.9 -20.9 47 9.0 -14.8 84 15 331.5 331.8 293.7 337.4 1.66 23 434 6977 -12.1 -17.0 67 4.9 -13.9 85 15 331.4 331.9 294.2 339.5 2.33 24 428 7084 -12.5 -27.5 27 15.0 -16.4 85 14 332.2 332.4 293.2 335.7 0.93 25 425 7138 -12.9 -23.9 39 11.0 -16.1 86 14 332.4 332.7 293.6 337.1 1.31 26 424 7156 -12.9 -16.1 77 3.2 -14.1 86 14 332.6 333.2 294.7 341.6 2.57 27 421 7210 -13.1 -15.6 81 2.5 -14.0 87 13 333.1 333.6 294.9 342.4 2.70 28 420 7228 -12.5 -13.9 89 1.4 -13.0 87 13 334.0 334.7 295.5 344.9 3.11 29 419 7246 -12.5 -14.1 88 1.6 -13.1 87 13 334.3 334.9 295.5 344.9 3.07 30 400 7600 -14.5 -16.1 88 1.6 -15.1 90 11 336.1 336.7 295.7 345.7 2.72 31 395 7695 -15.1 -18.5 75 3.4 -16.3 89 12 336.6 337.0 295.4 344.6 2.25 32 384 7907 -16.9 -17.4 96 0.5 -17.1 88 13 336.9 337.5 295.7 345.9 2.54 33 371 8164 -17.9 -21.3 75 3.4 -19.0 86 15 338.9 339.3 295.7 345.7 1.88 34 365 8285 -18.7 -42.7 10 24.0 -22.5 85 16 339.5 339.5 294.4 340.4 0.24 35 357 8449 -19.9 -30.9 37 11.0 -22.4 84 17 340.0 340.2 295.1 343.1 0.81 36 354 8511 -20.3 -50.3 5 30.0 -24.1 84 18 340.3 340.3 294.5 340.7 0.11 37 347 8659 -21.1 -47.1 8 26.0 -24.6 83 19 341.2 341.2 294.7 341.8 0.16 38 300 9710 -30.3 -34.5 67 4.2 -31.0 75 27 342.7 342.8 295.6 345.3 0.68 39 286 10048 -33.3 -36.6 72 3.3 -33.8 65 25 343.1 343.2 295.6 345.4 0.58 40 250 10980 -40.3 -42.2 82 1.9 -40.5 35 21 346.2 346.2 296.1 347.6 0.37 41 248 11035 -40.1 -46.1 53 6.0 -40.6 34 20 347.2 347.3 296.3 348.3 0.25 42 215 11996 -48.5 -51.2 73 2.7 -48.6 15 12 348.7 348.7 296.5 349.3 0.16 43 200 12470 -52.5 -56.5 62 4.0 -52.7 5 7 349.6 349.6 296.6 350.0 0.09 44 188 12865 -56.1 -60.6 57 4.5 -56.2 355 8 350.1 350.1 296.7 350.3 0.06 45 179 13173 -58.9 -64.9 46 6.0 -59.0 348 9 350.4 350.4 296.8 350.6 0.03 46 172 13422 -60.1 -71.1 22 11.0 -60.2 341 9 352.5 352.5 297.2 352.5 0.02 47 150 14260 -66.3 -75.3 27 9.0 -66.4 320 11 355.9 355.9 297.9 355.9 0.01 48 140 14675 -69.5 -76.5 35 7.0 -69.5 344 9 357.3 357.4 298.2 357.4 0.01 49 132 15026 -70.3 -81.3 18 11.0 -70.4 4 8 362.0 362.0 299.1 362.0 0.00 50 121 15539 -73.5 -81.5 28 8.0 -73.5 34 6 365.3 365.3 299.7 365.3 0.00 51 105 16355 -80.5 -81.5 85 1.0 -80.5 83 2 367.0 367.0 300.0 367.1 0.00 52 100 16630 -81.1 -82.8 75 1.7 -81.1 100 1 371.0 371.0 300.8 371.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5772.00 m Freezing level: 577.00 mb = 4743.10 m = 15561.15 ft Wetbulb zero: 610.68 mb = 4285.10 m = 14058.56 ft Precipitable water: 2.33 inches Sfc-500 mean rel hum: 78.89 % Est. max temperature: 32.43 C = 90.38 F Sfc-Lift cond lev (LCL): 994.93 mb = 152.60 m = 500.64 ft T: 24.02 C 700-500 lapse rate: 5.63 C/km ThetaE index: 13.42 C Layer 925.0- 700.0 mb Conv cond level (CCL): 950.91 mb = 549.75 m = 1803.62 ft Mean mixing ratio: 18.22 g/kg Conv temperature: 27.73 C = 81.92 F Cap Strength: 0.10 C Lifted Index: -4.13 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.37 C Lifted Index @700 mb: -2.13 C Showalter Index: -2.43 C Risk: Severe thunderstorms possible Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 22.90 C K Index: 38.80 Risk: > 80 % chance of thunderstorms Sweat Index: 256.60 Risk: None Energy Index: -3.24 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1208.08 J/kg Max Up Vert Vel: 49.15 m/s Conv Inhibition (B-): 1.01 J/kg Cap Strength: 0.10 C Lift Cond Lev (LCL): 958.21 mb = 482.59 m = 1583.29 ft Lev Free Conv (LFC): 903.21 mb = 998.32 m = 3275.30 ft Equ Level (EL): 163.21 mb = 13742.89 m = 45087.69 ft B at Equ Level: 1194.72 J/kg Wind level data Storm motion: 98 at 12 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 1012 6 285 1 1.0 -0.3 | 279 13 13.2 -2.0 1 1000 108 310 3 2.3 -1.9 | 284 15 14.5 -3.7 2 925 792 50 19 -14.6 -12.2 | 9 14 -2.3 -14.0 3 850 1524 60 17 -14.7 -8.5 | 14 11 -2.5 -10.2 4 700 3164 75 15 -14.5 -3.9 | 22 6 -2.2 -5.6 5 500 5880 75 21 -20.3 -5.4 | 48 11 -8.0 -7.2 6 400 7600 90 11 -11.0 0.0 | 325 2 1.2 -1.7 7 300 9710 75 27 -26.1 -7.0 | 58 16 -13.8 -8.7 8 250 10980 35 21 -12.0 -17.2 | 359 19 0.2 -19.0 9 200 12470 5 7 -0.6 -7.0 | 307 15 11.6 -8.7 10 150 14260 320 11 7.1 -8.4 | 298 22 19.3 -10.2 11 100 16630 100 1 -1.0 0.2 | 278 11 11.3 -1.6 Wind Parameters Mean winds (0-6000m): 68.1 at 16.5 knts Storm direction: 98.1 at 12.4 knts Shear (0-3000m) pos: 2.8 neg: 0.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 102.4 deg Storm rel helicity (0-3000m) pos: 116.0 neg: 0.0 tot: 116.0 m^2/s^2 ave: 38.7 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 4.8 10^-3/s Energy-Hel index: 0.87 Bulk Rich Number: 35.99 Bulk Shear: 33.56 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 ------------------------------------------------------------------------------- 500 354 6 302 15| 12.6 0.0 12.6| 57.3 0.0 57.3 114.5 0.90| 14.8 13.3 1000 44 12 338 11| 9.8 0.0 9.8|111.6 0.0 111.6 111.6 0.91| 14.8 13.4 1500 50 14 350 11| 6.1 0.0 6.1|113.4 0.0 113.4 75.6 0.85| 10.7 9.1 2000 53 14 356 10| 4.4 0.0 4.4|114.6 0.0 114.6 57.3 0.83| 8.4 7.0 2500 56 15 0 10| 3.4 0.0 3.4|115.5 0.0 115.5 46.2 0.81| 7.0 5.7 3000 59 15 3 9| 2.8 0.0 2.8|116.0 0.0 116.0 38.7 0.78| 6.1 4.8 4000 63 15 8 9| 2.1 0.1 2.3|118.6 0.0 118.6 29.6 0.78| 4.9 3.8 5000 66 16 15 8| 1.7 0.3 2.1|121.4 0.0 121.4 24.3 0.77| 4.1 3.1 6000 68 16 21 8| 1.4 0.4 1.8|123.9 0.0 123.9 20.7 0.74| 3.6 2.7 Wrote GIF file: /home/apache/climate/data/raob//VVVH/skewt/VVVH.skewt.20251018.00.gif