UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 20 OCT 25 Station: VV839 WMO ident: 48839 Latitude: 20.13 Longitude: 107.72 ------------------------------------------------------------------------------- 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 1013 4 25.6 21.2 77 4.4 22.5 45 19 297.6 300.5 295.1 343.5 15.84 1 1000 117 24.2 20.6 80 3.6 21.6 35 31 297.4 300.1 294.8 342.1 15.45 2 925 795 18.6 18.3 98 0.3 18.4 60 27 298.3 301.0 294.4 340.3 14.46 3 922 823 18.4 17.9 97 0.5 18.1 59 27 298.4 301.0 294.2 339.5 14.13 4 916 879 18.6 17.1 91 1.5 17.6 58 26 299.2 301.6 294.0 338.6 13.51 5 911 927 20.8 15.8 73 5.0 17.4 56 25 301.9 304.2 294.0 338.7 12.49 6 850 1524 17.0 13.5 80 3.5 14.7 40 17 304.0 306.1 293.9 338.3 11.52 7 846 1564 16.8 13.3 80 3.5 14.5 40 17 304.2 306.3 293.9 338.2 11.42 8 749 2596 13.0 -1.0 38 14.0 5.6 50 14 310.8 311.7 290.5 325.7 4.75 9 743 2664 12.8 2.8 51 10.0 7.1 50 14 311.3 312.5 292.0 330.9 6.31 10 734 2766 13.4 -4.6 28 18.0 4.5 51 14 313.0 313.8 290.2 324.8 3.70 11 703 3128 11.0 -2.0 40 13.0 4.2 55 13 314.3 315.2 291.5 329.2 4.70 12 700 3164 10.6 -3.4 37 14.0 3.5 55 13 314.2 315.0 291.1 327.8 4.25 13 669 3540 8.6 -14.4 18 23.0 -0.7 65 12 316.1 316.4 289.5 322.3 1.87 14 628 4059 5.2 -8.8 36 14.0 -1.2 79 11 318.0 318.6 291.2 328.2 3.13 15 604 4376 3.2 -13.8 27 17.0 -3.7 88 10 319.2 319.6 290.7 326.5 2.18 16 500 5890 -3.1 -28.1 12 25.0 -10.3 130 7 329.3 329.4 292.3 332.0 0.76 17 467 6425 -7.7 -31.7 13 24.0 -13.7 122 9 330.0 330.1 292.3 332.2 0.58 18 464 6475 -8.1 -21.1 34 13.0 -12.3 122 9 330.1 330.5 293.2 335.6 1.53 19 459 6559 -8.5 -29.5 17 21.0 -14.0 120 9 330.7 330.8 292.6 333.3 0.72 20 450 6712 -9.9 -27.9 21 18.0 -14.7 118 10 330.8 331.0 292.7 333.9 0.86 21 430 7060 -12.1 -26.1 30 14.0 -16.0 113 11 332.3 332.5 293.3 336.2 1.06 22 403 7553 -14.1 -37.1 12 23.0 -18.7 106 13 335.9 336.0 293.7 337.5 0.39 23 400 7610 -14.5 -33.5 18 19.0 -18.7 105 13 336.1 336.3 293.9 338.3 0.57 24 381 7976 -17.9 -32.9 26 15.0 -21.1 96 13 336.4 336.5 294.0 338.7 0.63 25 375 8095 -18.3 -37.3 17 19.0 -21.8 93 13 337.4 337.5 294.1 339.0 0.41 26 371 8175 -18.1 -42.1 10 24.0 -22.1 91 14 338.7 338.7 294.3 339.7 0.25 27 336 8909 -22.3 -56.3 3 34.0 -25.8 72 14 342.7 342.7 295.0 342.9 0.06 28 335 8931 -22.5 -54.5 4 32.0 -25.9 71 14 342.7 342.7 295.0 343.0 0.07 29 300 9730 -29.1 -56.1 6 27.0 -31.4 50 15 344.4 344.4 295.4 344.6 0.06 30 270 10471 -34.7 -54.7 11 20.0 -36.2 315 12 346.8 346.8 296.0 347.1 0.08 31 250 11000 -39.7 -50.7 30 11.0 -40.5 245 9 347.0 347.1 296.1 347.6 0.15 32 221 11833 -46.9 -52.9 50 6.0 -47.2 228 15 348.4 348.4 296.4 348.9 0.13 33 218 11924 -47.5 -60.5 21 13.0 -48.0 227 15 348.8 348.9 296.4 349.1 0.05 34 200 12490 -52.1 -63.1 25 11.0 -52.4 215 19 350.3 350.3 296.7 350.4 0.04 35 178 13234 -58.3 -62.2 61 3.9 -58.4 213 25 352.0 352.0 297.1 352.2 0.05 36 155 14091 -65.1 -74.1 28 9.0 -65.2 211 33 354.6 354.6 297.6 354.6 0.01 37 150 14290 -66.1 -77.1 20 11.0 -66.2 210 35 356.2 356.2 298.0 356.2 0.01 38 140 14705 -68.3 -81.3 14 13.0 -68.4 212 30 359.5 359.5 298.6 359.5 0.00 39 112 16009 -78.3 -82.4 51 4.1 -78.3 217 12 364.4 364.4 299.5 364.5 0.00 40 100 16650 -81.1 -85.6 46 4.5 -81.1 220 3 371.0 371.0 300.8 371.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 551.17 mb = 5145.06 m = 16879.92 ft Wetbulb zero: 674.09 mb = 3476.78 m = 11406.61 ft Precipitable water: 1.51 inches Sfc-500 mean rel hum: 46.20 % Est. max temperature: 31.48 C = 88.66 F Sfc-Lift cond lev (LCL): 950.26 mb = 560.67 m = 1839.44 ft T: 20.54 C 700-500 lapse rate: 5.03 C/km ThetaE index: 13.07 C Layer 850.0- 743.0 mb Conv cond level (CCL): 928.08 mb = 766.13 m = 2513.52 ft Mean mixing ratio: 14.89 g/kg Conv temperature: 26.24 C = 79.24 F Cap Strength: 3.48 C Lifted Index: 3.21 C Risk: None Lifted Index @300 mb: 4.28 C Lifted Index @700 mb: 2.55 C Showalter Index: 4.44 C Risk: None Total Totals Index: 36.70 C Risk: None Vertical Totals Index: 20.10 C Cross Totals Index: 16.60 C K Index: 19.60 Risk: < 20 % chance of thunderstorms Sweat Index: 203.00 Risk: None Energy Index: -1.09 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.76 J/kg Max Up Vert Vel: 3.08 m/s Conv Inhibition (B-): 3201.27 J/kg Cap Strength: 3.47 C Lift Cond Lev (LCL): 933.13 mb = 718.89 m = 2358.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 87 at 11 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 1013 4 45 19 -13.4 -13.4 | 10 13 -2.2 -12.8 1 1000 117 35 31 -17.8 -25.4 | 15 26 -6.5 -24.8 2 925 795 60 27 -23.4 -13.5 | 43 18 -12.1 -12.9 3 850 1524 40 17 -10.9 -13.0 | 358 12 0.3 -12.4 4 700 3164 55 13 -10.6 -7.5 | 355 7 0.6 -6.8 5 500 5890 130 7 -5.4 4.5 | 229 8 5.9 5.1 6 400 7610 105 13 -12.6 3.4 | 162 4 -1.3 4.0 7 300 9730 50 15 -11.5 -9.6 | 1 9 -0.2 -9.0 8 250 11000 245 9 8.2 3.8 | 257 20 19.4 4.4 9 200 12490 215 19 10.9 15.6 | 234 27 22.2 16.2 10 150 14290 210 35 17.5 30.3 | 223 42 28.8 30.9 11 100 16650 220 3 1.9 2.3 | 257 14 13.2 2.9 Wind Parameters Mean winds (0-6000m): 56.8 at 15.0 knts Storm direction: 86.8 at 11.3 knts Shear (0-3000m) pos: 1.2 neg: 1.4 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): -13.5 deg Storm rel helicity (0-3000m) pos: 66.9 neg: -44.8 tot: 22.0 m^2/s^2 ave: 7.3 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.16 Bulk Shear: 29.07 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 41 29 20 22| 10.2 0.0 10.2| 44.9 0.0 44.9 89.7 0.42| 19.2 8.0 1000 48 28 27 20| 3.2 0.0 3.2| 66.6 -14.2 52.4 52.4 0.32| 14.3 4.6 1500 48 25 26 18| 2.1 2.9 5.0| 66.6 -43.1 23.6 15.7 0.03| 12.4 0.4 2000 47 23 21 16| 1.6 2.2 3.7| 66.9 -43.9 23.0 11.5 0.02| 9.8 0.2 2500 47 22 18 15| 1.4 1.7 3.1| 66.9 -44.1 22.7 9.1 0.02| 8.2 0.2 3000 48 20 16 14| 1.2 1.4 2.7| 66.9 -44.8 22.0 7.3 0.01| 7.1 0.1 4000 50 18 14 12| 1.5 1.1 2.6| 67.2 -45.3 21.9 5.5 0.00| 6.1 0.0 5000 54 17 13 9| 1.6 0.9 2.4| 67.2 -46.0 21.2 4.2 -0.04| 5.4 -0.2 6000 57 15 10 8| 1.5 0.7 2.2| 68.6 -46.7 21.9 3.7 -0.03| 4.9 -0.1 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251020.00.gif