UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101000.upa.cvt Date: 0000Z 10 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 10 OCT 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 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 26.4 24.8 91 1.6 25.2 0 0 298.5 302.1 298.0 356.4 19.84 1 1000 113 25.4 24.6 95 0.8 24.8 65 1 298.5 302.2 298.0 356.4 19.84 2 982 273 24.2 24.2 100 0.0 24.2 73 1 298.9 302.5 298.0 356.5 19.72 3 976 327 24.6 21.7 84 2.9 22.5 76 2 299.8 302.9 296.5 349.5 16.98 4 925 797 21.0 20.1 95 0.9 20.4 100 3 300.8 303.8 296.3 348.4 16.22 5 871 1317 17.8 16.6 93 1.2 17.0 50 3 302.7 305.2 295.1 343.4 13.77 6 850 1527 17.2 13.4 78 3.8 14.7 30 3 304.2 306.3 293.9 338.3 11.44 7 827 1761 16.6 10.6 68 6.0 12.8 42 4 305.9 307.7 293.1 335.3 9.75 8 767 2400 14.0 2.0 44 12.0 7.3 75 6 309.8 310.9 291.0 327.6 5.77 9 764 2433 13.8 7.8 67 6.0 10.1 77 6 309.9 311.6 293.5 336.6 8.73 10 754 2544 13.6 1.6 44 12.0 6.9 82 7 310.9 311.9 291.3 328.6 5.70 11 718 2956 12.8 -8.2 22 21.0 3.1 104 8 314.4 314.9 289.9 323.7 2.87 12 716 2980 12.4 2.4 50 10.0 6.7 105 8 314.2 315.4 292.9 334.2 6.37 13 700 3169 11.4 -0.6 43 12.0 4.9 115 9 315.1 316.1 292.2 331.7 5.23 14 668 3558 10.4 -14.6 16 25.0 0.1 116 9 318.2 318.6 290.1 324.4 1.84 15 657 3696 9.8 -14.2 17 24.0 -0.2 116 9 319.1 319.4 290.5 325.6 1.94 16 619 4186 5.8 -4.2 49 10.0 0.7 117 8 320.0 320.8 293.0 334.7 4.53 17 573 4812 1.4 -15.6 27 17.0 -5.2 118 8 322.0 322.3 291.3 328.7 1.98 18 544 5229 0.0 -23.0 16 23.0 -7.5 119 8 325.1 325.3 291.5 329.0 1.10 19 500 5900 -3.1 -31.1 9 28.0 -10.6 120 7 329.3 329.4 292.1 331.4 0.57 20 474 6321 -6.1 -37.1 7 31.0 -13.0 120 10 330.6 330.7 292.2 331.9 0.33 21 458 6590 -7.7 -39.7 6 32.0 -14.3 120 12 331.9 331.9 292.5 332.9 0.26 22 400 7630 -15.5 -42.5 8 27.0 -20.0 120 19 334.8 334.9 293.3 335.7 0.23 23 378 8053 -18.9 -43.9 9 25.0 -22.7 121 18 335.8 335.9 293.5 336.6 0.21 24 340 8832 -23.5 -50.5 6 27.0 -26.6 123 17 339.9 339.9 294.4 340.3 0.11 25 328 9092 -25.7 -45.7 14 20.0 -28.2 123 16 340.4 340.4 294.6 341.2 0.20 26 321 9248 -27.3 -34.3 51 7.0 -28.5 124 16 340.3 340.4 295.0 342.7 0.65 27 318 9315 -27.7 -39.7 31 12.0 -29.5 124 16 340.6 340.7 294.8 342.1 0.38 28 306 9589 -29.9 -37.9 46 8.0 -31.1 125 15 341.3 341.4 295.1 343.2 0.48 29 300 9730 -30.3 -44.3 24 14.0 -31.9 125 15 342.7 342.7 295.2 343.7 0.25 30 292 9922 -31.5 -47.5 19 16.0 -33.1 129 14 343.6 343.7 295.4 344.4 0.18 31 250 11000 -40.1 -55.1 19 15.0 -41.0 155 11 346.4 346.5 295.9 346.8 0.09 32 200 12490 -51.9 -62.9 26 11.0 -52.2 120 13 350.6 350.6 296.8 350.8 0.04 33 180 13162 -57.9 -65.9 35 8.0 -58.0 129 16 351.5 351.5 297.0 351.6 0.03 34 151 14250 -65.1 -77.1 18 12.0 -65.2 144 21 357.3 357.3 298.1 357.3 0.01 35 150 14290 -65.5 -77.5 17 12.0 -65.6 145 21 357.2 357.2 298.1 357.3 0.01 36 132 15056 -71.7 -81.7 21 10.0 -71.8 143 23 359.5 359.5 298.6 359.5 0.00 37 107 16274 -78.3 -85.3 31 7.0 -78.3 140 27 369.2 369.2 300.4 369.2 0.00 38 100 16660 -78.1 -85.1 31 7.0 -78.1 100 21 376.8 376.8 301.7 376.8 0.00 TRP 107 16274 -78.3 -85.3 31 7.0 -78.3 140 27 369.2 369.2 300.4 369.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 544.00 mb = 5229.01 m = 17155.33 ft Wetbulb zero: 662.86 mb = 3622.45 m = 11884.53 ft Precipitable water: 1.67 inches Sfc-500 mean rel hum: 49.06 % Est. max temperature: 31.19 C = 88.15 F Sfc-Lift cond lev (LCL): 989.23 mb = 208.48 m = 683.99 ft T: 24.68 C 700-500 lapse rate: 5.31 C/km ThetaE index: 28.83 C Layer 976.0- 764.0 mb Conv cond level (CCL): 931.57 mb = 735.00 m = 2411.37 ft Mean mixing ratio: 17.53 g/kg Conv temperature: 28.54 C = 83.37 F Cap Strength: 1.28 C Lifted Index: -0.60 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.60 C Lifted Index @700 mb: 0.48 C Showalter Index: 4.41 C Risk: None Total Totals Index: 36.80 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 16.50 C K Index: 21.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 173.80 Risk: None Energy Index: -1.19 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 644.71 J/kg Max Up Vert Vel: 35.91 m/s Conv Inhibition (B-): 4.12 J/kg Cap Strength: 1.25 C Lift Cond Lev (LCL): 942.76 mb = 630.51 m = 2068.59 ft Lev Free Conv (LFC): 917.76 mb = 864.99 m = 2837.87 ft Equ Level (EL): 747.76 mb = 2614.25 m = 8576.85 ft B at Equ Level: 43.33 J/kg Max Parcel Lev (MPL): 107.76 mb = 16232.82 m = 53256.64 ft Wind level data Storm motion: 139 at 5 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 0 0 -0.0 -0.0 | 319 5 3.0 -3.5 1 1000 113 65 1 -0.9 -0.4 | 332 4 2.1 -3.9 2 925 797 100 3 -3.0 0.5 | 359 3 0.0 -2.9 3 850 1527 30 3 -1.5 -2.6 | 346 6 1.5 -6.0 4 700 3169 115 9 -8.2 3.8 | 94 5 -5.2 0.4 5 500 5900 120 7 -6.1 3.5 | 91 3 -3.1 0.0 6 400 7630 120 19 -16.5 9.5 | 114 15 -13.5 6.0 7 300 9730 125 15 -12.3 8.6 | 119 11 -9.3 5.2 8 250 11000 155 11 -4.6 10.0 | 166 7 -1.7 6.5 9 200 12490 120 13 -11.3 6.5 | 110 9 -8.3 3.0 10 150 14290 145 21 -12.0 17.2 | 147 16 -9.1 13.8 11 107 16274 140 27 -17.4 20.7 | 140 22 -14.4 17.2 12 100 16660 100 21 -20.7 3.6 | 91 18 -17.7 0.2 Wind Parameters Mean winds (0-6000m): 109.2 at 6.1 knts Storm direction: 139.2 at 4.6 knts Shear (0-3000m) pos: 1.7 neg: 0.4 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 119.1 deg Storm rel helicity (0-3000m) pos: 17.3 neg: -1.7 tot: 15.6 m^2/s^2 ave: 5.2 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 1.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 196.13 Bulk Shear: 3.29 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 78 1 336 4| 2.2 0.0 2.2| 2.4 0.0 2.4 4.7 0.90| 2.4 2.1 1000 90 2 345 4| 1.1 0.5 1.6| 3.0 -0.0 3.0 3.0 0.64| 2.2 1.4 1500 77 2 350 4| 0.7 0.8 1.6| 3.0 -1.7 1.4 0.9 0.24| 2.4 0.6 2000 65 3 354 5| 1.1 0.6 1.8| 6.9 -1.7 5.3 2.6 0.43| 2.4 1.0 2500 70 3 2 5| 1.5 0.5 2.0| 11.9 -1.7 10.2 4.1 0.57| 2.5 1.5 3000 85 4 15 4| 1.7 0.4 2.1| 17.3 -1.7 15.6 5.2 0.67| 2.8 1.9 4000 101 5 40 3| 1.3 0.3 1.6| 19.2 -1.7 17.5 4.4 0.67| 2.4 1.6 5000 106 6 54 3| 1.0 0.2 1.2| 19.2 -1.8 17.4 3.5 0.64| 2.0 1.3 6000 109 6 62 3| 0.8 0.2 1.0| 19.5 -1.9 17.6 2.9 0.61| 1.7 1.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251010.00.gif