UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 16 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 1014 6 23.8 21.9 89 1.9 22.5 240 1 295.8 298.7 295.1 343.3 16.53 1 1000 125 22.8 20.9 89 1.9 21.5 240 3 296.0 298.8 294.6 341.3 15.75 2 992 195 22.2 21.1 93 1.1 21.5 226 4 296.0 298.9 294.8 342.3 16.08 3 976 338 23.8 20.0 79 3.8 21.1 198 7 299.0 301.8 295.1 343.5 15.25 4 965 438 23.6 19.2 76 4.4 20.5 178 9 299.8 302.5 295.0 342.7 14.66 5 925 808 21.4 21.2 99 0.2 21.3 105 17 301.2 304.4 297.1 352.4 17.39 6 905 998 20.2 20.2 100 0.0 20.2 109 16 301.8 304.9 296.8 351.1 16.69 7 850 1539 17.8 13.9 78 3.9 15.2 120 13 304.8 307.0 294.3 340.1 11.83 8 795 2109 15.4 8.4 63 7.0 11.1 148 12 308.1 309.8 293.0 334.7 8.73 9 700 3180 10.2 3.2 62 7.0 6.2 200 11 313.8 315.1 293.2 335.4 6.90 10 667 3580 8.4 1.4 61 7.0 4.5 189 11 316.1 317.3 293.4 336.3 6.36 11 575 4789 0.2 -2.3 83 2.5 -1.1 153 11 320.2 321.3 293.9 338.4 5.63 12 565 4930 0.0 -6.0 64 6.0 -2.9 149 11 321.6 322.4 293.3 335.8 4.33 13 536 5350 -2.5 -5.5 80 3.0 -4.0 137 11 323.5 324.4 294.1 339.1 4.74 14 524 5530 -2.9 -10.9 54 8.0 -6.4 131 11 325.1 325.7 293.3 335.8 3.18 15 517 5637 -3.9 -5.5 89 1.6 -4.7 128 11 325.2 326.1 294.7 341.4 4.92 16 507 5791 -4.7 -5.7 93 1.0 -5.2 123 11 326.0 327.0 294.9 342.4 4.94 17 500 5900 -5.3 -7.2 86 1.9 -6.2 120 11 326.6 327.5 294.7 341.4 4.46 18 470 6383 -8.5 -8.5 100 0.0 -8.5 116 10 328.4 329.3 295.0 342.8 4.29 19 415 7340 -13.7 -16.2 81 2.5 -14.6 107 9 333.7 334.2 295.0 342.7 2.60 20 408 7470 -13.9 -22.9 47 9.0 -16.6 106 9 335.0 335.3 294.4 340.4 1.49 21 400 7620 -14.9 -19.9 66 5.0 -16.6 105 9 335.6 336.0 295.0 342.6 1.97 22 382 7967 -17.5 -21.5 71 4.0 -18.7 107 9 336.6 337.0 295.1 343.1 1.80 23 380 8007 -17.5 -25.5 50 8.0 -19.7 107 9 337.2 337.4 294.7 341.8 1.26 24 377 8066 -17.9 -19.7 86 1.8 -18.5 107 9 337.4 337.8 295.5 345.0 2.13 25 372 8166 -18.7 -29.7 37 11.0 -21.3 108 8 337.6 337.8 294.6 340.9 0.88 26 362 8369 -19.7 -25.7 59 6.0 -21.3 108 8 338.9 339.2 295.2 343.7 1.30 27 360 8410 -19.5 -23.9 68 4.4 -20.7 109 8 339.7 340.0 295.6 345.4 1.54 28 329 9074 -24.5 -26.7 82 2.2 -25.1 112 8 341.7 342.0 295.8 346.6 1.31 29 300 9740 -29.7 -32.4 77 2.7 -30.2 115 7 343.5 343.7 295.9 346.7 0.84 30 266 10584 -36.3 -38.9 77 2.6 -36.6 164 6 345.9 346.0 296.1 347.9 0.50 31 250 11010 -39.9 -43.0 72 3.1 -40.2 190 5 346.7 346.8 296.2 348.1 0.34 32 242 11231 -41.7 -44.9 71 3.2 -42.0 207 4 347.3 347.3 296.3 348.5 0.29 33 200 12490 -53.3 -57.3 62 4.0 -53.4 305 1 348.4 348.4 296.4 348.7 0.08 34 176 13299 -60.9 -65.1 57 4.2 -61.0 338 6 348.8 348.9 296.4 349.0 0.03 35 166 13661 -63.5 -69.5 44 6.0 -63.6 354 9 350.4 350.4 296.7 350.5 0.02 36 151 14240 -65.9 -73.9 32 8.0 -66.0 18 13 355.9 355.9 297.9 355.9 0.01 37 150 14280 -66.5 -74.5 32 8.0 -66.5 20 13 355.5 355.5 297.8 355.6 0.01 38 134 14953 -71.7 -76.7 47 5.0 -71.7 42 18 357.9 357.9 298.3 358.0 0.01 39 127 15268 -73.3 -82.3 24 9.0 -73.3 53 20 360.6 360.6 298.8 360.6 0.00 40 100 16640 -80.7 -84.1 56 3.4 -80.7 100 31 371.8 371.8 300.9 371.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5775.00 m Freezing level: 565.00 mb = 4929.89 m = 16173.99 ft Wetbulb zero: 593.07 mb = 4537.15 m = 14885.48 ft Precipitable water: 2.16 inches Sfc-500 mean rel hum: 74.45 % Est. max temperature: 32.09 C = 89.75 F Sfc-Lift cond lev (LCL): 986.63 mb = 242.93 m = 797.02 ft T: 22.73 C 700-500 lapse rate: 5.70 C/km ThetaE index: 17.67 C Layer 905.0- 700.0 mb Conv cond level (CCL): 878.79 mb = 1251.53 m = 4106.01 ft Mean mixing ratio: 15.99 g/kg Conv temperature: 31.29 C = 88.32 F Cap Strength: 1.80 C Lifted Index: -0.78 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.04 C Lifted Index @700 mb: 0.81 C Showalter Index: 1.42 C Risk: Showers probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.20 C K Index: 30.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 203.80 Risk: None Energy Index: 0.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 125.51 J/kg Max Up Vert Vel: 15.84 m/s Conv Inhibition (B-): 125.40 J/kg Cap Strength: 1.80 C Lift Cond Lev (LCL): 933.74 mb = 725.67 m = 2380.78 ft Lev Free Conv (LFC): 628.74 mb = 4061.49 m = 13324.92 ft Equ Level (EL): 398.74 mb = 7643.73 m = 25077.54 ft B at Equ Level: 124.44 J/kg Max Parcel Lev (MPL): 248.74 mb = 11044.26 m = 36234.00 ft Wind level data Storm motion: 175 at 9 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 1014 6 240 1 0.9 0.5 | 349 8 1.6 -8.1 1 1000 125 240 3 2.6 1.5 | 335 8 3.3 -7.1 2 925 808 105 17 -16.4 4.4 | 75 16 -15.7 -4.2 3 850 1539 120 13 -11.3 6.5 | 79 11 -10.6 -2.1 4 700 3180 200 11 3.8 10.3 | 248 5 4.5 1.8 5 500 5900 120 11 -9.5 5.5 | 71 9 -8.8 -3.1 6 400 7620 105 9 -8.7 2.3 | 52 10 -8.0 -6.2 7 300 9740 115 7 -6.3 3.0 | 45 8 -5.7 -5.6 8 250 11010 190 5 0.9 4.9 | 337 4 1.6 -3.6 9 200 12490 305 1 0.8 -0.6 | 351 9 1.5 -9.1 10 150 14280 20 13 -4.4 -12.2 | 10 21 -3.8 -20.8 11 100 16640 100 31 -30.5 5.4 | 84 30 -29.8 -3.2 Wind Parameters Mean winds (0-6000m): 145.4 at 11.5 knts Storm direction: 175.4 at 8.6 knts Shear (0-3000m) pos: 3.1 neg: 2.8 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): -118.6 deg Storm rel helicity (0-3000m) pos: 20.3 neg: -31.4 tot: -11.1 m^2/s^2 ave: -3.7 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 8.9 stream: -1.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 15.39 Bulk Shear: 8.16 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 ------------------------------------------------------------------------------- 500 184 6 339 3| 0.0 10.9 10.9| 0.0 -10.8 -10.8 -21.7 -0.78| 15.8-12.4 1000 112 10 62 10| 0.0 8.5 8.5| 1.5 -31.4 -29.9 -29.9 -0.61| 16.7-10.3 1500 113 12 68 11| 1.3 5.7 7.0| 3.2 -31.4 -28.1 -18.8 -0.54| 12.5 -6.7 2000 117 12 73 10| 2.3 4.3 6.5| 11.2 -31.4 -20.2 -10.1 -0.39| 10.7 -4.1 2500 125 12 79 9| 2.9 3.4 6.3| 16.3 -31.4 -15.1 -6.0 -0.26| 9.6 -2.5 3000 132 12 86 8| 3.1 2.8 6.0| 20.3 -31.4 -11.1 -3.7 -0.14| 8.9 -1.3 4000 145 12 100 6| 2.3 2.5 4.9| 21.7 -34.6 -12.9 -3.2 -0.17| 7.4 -1.3 5000 149 12 104 5| 1.9 2.5 4.4| 21.7 -38.7 -17.0 -3.4 -0.23| 6.5 -1.5 6000 145 11 98 6| 1.6 2.4 3.9| 21.7 -45.5 -23.8 -4.0 -0.26| 5.9 -1.5 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251016.00.gif