UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101112.upa.cvt Date: 1200Z 11 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 11 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 1009 6 27.2 25.2 89 2.0 25.7 125 1 299.6 303.3 298.6 359.4 20.39 1 1006 33 28.4 24.0 77 4.4 25.2 128 1 301.0 304.5 298.1 357.0 19.00 2 1000 86 27.8 24.0 80 3.8 25.0 135 1 301.0 304.5 298.1 357.3 19.11 3 968 375 26.4 21.8 76 4.6 23.0 141 4 302.3 305.5 297.3 353.3 17.23 4 925 776 23.0 21.0 89 2.0 21.6 150 7 302.8 306.0 297.4 353.7 17.17 5 850 1510 18.2 18.0 99 0.2 18.1 120 7 305.2 308.1 297.0 351.4 15.46 6 838 1632 17.4 17.4 100 0.0 17.4 115 7 305.6 308.4 296.8 350.8 15.09 7 700 3155 10.2 8.3 88 1.9 9.0 50 5 313.8 315.7 295.4 344.4 9.87 8 699 3167 10.2 8.3 88 1.9 9.0 50 5 313.9 315.8 295.4 344.6 9.88 9 697 3191 10.4 7.9 84 2.5 8.8 51 5 314.4 316.2 295.4 344.4 9.64 10 621 4145 5.6 -0.4 65 6.0 2.3 77 6 319.4 320.6 294.0 338.7 5.99 11 582 4673 2.2 -0.7 81 2.9 0.6 91 7 321.5 322.7 294.7 341.7 6.26 12 569 4855 2.0 -5.0 60 7.0 -1.5 96 7 323.3 324.2 294.0 338.5 4.64 13 517 5625 -1.7 -11.7 46 10.0 -6.0 118 9 327.8 328.4 293.9 338.1 3.02 14 507 5780 -3.1 -8.1 68 5.0 -5.4 122 9 328.0 328.8 294.7 341.7 4.10 15 500 5890 -3.5 -11.5 54 8.0 -7.0 125 9 328.8 329.4 294.2 339.6 3.17 16 478 6246 -5.3 -15.3 45 10.0 -9.2 120 9 330.8 331.3 294.1 339.3 2.43 17 471 6362 -5.9 -12.9 58 7.0 -8.8 118 9 331.5 332.1 294.7 341.8 3.01 18 468 6412 -6.1 -19.1 35 13.0 -10.7 118 9 331.8 332.2 293.9 338.2 1.80 19 464 6480 -6.5 -10.2 75 3.7 -8.2 117 9 332.1 332.9 295.6 345.1 3.80 20 457 6599 -6.5 -11.5 68 5.0 -8.7 115 9 333.6 334.3 295.6 345.6 3.47 21 435 6984 -9.1 -13.6 70 4.5 -10.9 109 9 335.0 335.7 295.7 345.8 3.08 22 408 7478 -12.3 -27.3 27 15.0 -16.4 102 9 337.1 337.3 294.5 340.8 1.00 23 400 7630 -13.5 -25.5 36 12.0 -16.9 100 9 337.4 337.7 294.8 341.9 1.20 24 375 8116 -17.1 -26.1 46 9.0 -19.6 74 8 339.0 339.2 295.1 343.4 1.21 25 372 8176 -17.7 -20.1 81 2.4 -18.5 71 8 338.9 339.4 295.8 346.4 2.08 26 368 8256 -17.9 -21.3 75 3.4 -19.0 67 8 339.7 340.1 295.8 346.6 1.90 27 361 8399 -18.3 -39.3 14 21.0 -22.1 59 8 341.1 341.1 294.9 342.4 0.35 28 327 9128 -23.3 -50.3 7 27.0 -26.5 19 6 344.0 344.0 295.4 344.5 0.12 29 312 9468 -26.1 -49.1 10 23.0 -28.7 1 6 344.7 344.7 295.6 345.3 0.14 30 304 9655 -27.5 -38.5 34 11.0 -29.2 350 5 345.3 345.4 296.0 347.1 0.45 31 300 9750 -28.3 -41.3 28 13.0 -30.1 345 5 345.5 345.6 295.9 346.9 0.34 32 291 9968 -30.1 -45.1 22 15.0 -31.9 352 5 346.0 346.0 296.0 346.9 0.23 33 279 10267 -32.7 -38.7 55 6.0 -33.6 1 4 346.4 346.5 296.3 348.3 0.48 34 271 10471 -34.9 -40.9 54 6.0 -35.6 7 4 346.1 346.2 296.1 347.7 0.40 35 266 10601 -35.7 -49.7 22 14.0 -36.9 11 4 346.8 346.8 296.1 347.4 0.15 36 262 10706 -36.7 -46.7 35 10.0 -37.6 15 4 346.8 346.9 296.1 347.7 0.22 37 259 10786 -37.3 -39.6 79 2.3 -37.6 17 3 347.1 347.2 296.4 349.0 0.47 38 250 11030 -39.3 -43.0 68 3.7 -39.6 25 3 347.6 347.7 296.4 349.0 0.34 39 200 12520 -51.9 -56.5 58 4.6 -52.1 125 3 350.6 350.6 296.8 351.0 0.09 40 181 13158 -57.9 -61.5 63 3.6 -58.0 120 7 351.0 351.0 296.9 351.2 0.05 41 155 14120 -64.3 -76.3 18 12.0 -64.4 112 14 356.0 356.0 297.9 356.0 0.01 42 150 14320 -66.1 -77.1 20 11.0 -66.2 110 15 356.2 356.2 298.0 356.2 0.01 43 100 16690 -79.5 -84.5 43 5.0 -79.5 135 21 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 540.89 mb = 5271.06 m = 17293.29 ft Wetbulb zero: 578.27 mb = 4724.59 m = 15500.44 ft Precipitable water: 2.43 inches Sfc-500 mean rel hum: 79.24 % Est. max temperature: 32.55 C = 90.59 F Sfc-Lift cond lev (LCL): 980.63 mb = 259.92 m = 852.75 ft T: 26.96 C 700-500 lapse rate: 5.01 C/km ThetaE index: 9.30 C Layer 850.0- 699.0 mb Conv cond level (CCL): 890.43 mb = 1106.64 m = 3630.66 ft Mean mixing ratio: 17.64 g/kg Conv temperature: 31.54 C = 88.77 F Cap Strength: 0.96 C Lifted Index: -2.11 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.30 C Lifted Index @700 mb: -1.60 C Showalter Index: -1.06 C Risk: Thunderstorms probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.50 C K Index: 37.80 Risk: > 80 % chance of thunderstorms Sweat Index: 239.00 Risk: None Energy Index: -2.36 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 929.34 J/kg Max Up Vert Vel: 43.11 m/s Conv Inhibition (B-): 13.89 J/kg Cap Strength: 0.96 C Lift Cond Lev (LCL): 912.64 mb = 892.80 m = 2929.10 ft Lev Free Conv (LFC): 867.64 mb = 1331.73 m = 4369.13 ft Equ Level (EL): 157.64 mb = 14015.64 m = 45982.53 ft B at Equ Level: 918.57 J/kg Wind level data Storm motion: 137 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 1009 6 125 1 -0.8 0.6 | 321 4 2.4 -2.9 1 1000 86 135 1 -0.7 0.7 | 318 4 2.5 -2.8 2 925 776 150 7 -3.5 6.1 | 174 3 -0.3 2.6 3 850 1510 120 7 -6.1 3.5 | 90 3 -2.8 -0.0 4 700 3155 50 5 -3.8 -3.2 | 5 7 -0.6 -6.7 5 500 5890 125 9 -7.4 5.2 | 112 4 -4.1 1.7 6 400 7630 100 9 -8.9 1.6 | 71 6 -5.6 -1.9 7 300 9750 345 5 1.3 -4.8 | 331 9 4.5 -8.3 8 250 11030 25 3 -1.3 -2.7 | 342 7 2.0 -6.2 9 200 12520 125 3 -2.5 1.7 | 336 2 0.8 -1.8 10 150 14320 110 15 -14.1 5.1 | 98 11 -10.9 1.6 11 100 16690 135 21 -14.8 14.8 | 134 16 -11.6 11.3 Wind Parameters Mean winds (0-6000m): 107.3 at 6.4 knts Storm direction: 137.3 at 4.8 knts Shear (0-3000m) pos: 0.6 neg: 1.2 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 49.0 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -10.2 tot: -10.2 m^2/s^2 ave: -3.4 10^-3 m/s^2 rel: -0.72 Storm rel vorticity (0-3000m) horiz: 2.9 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 345.59 Bulk Shear: 2.69 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 ------------------------------------------------------------------------------- 500 142 3 312 2| 3.8 0.0 3.8| 0.0 -0.5 -0.5 -1.1 -0.39| 3.9 -1.6 1000 147 4 255 1| 1.9 1.2 3.1| 0.0 -1.5 -1.5 -1.5 -0.52| 3.8 -2.0 1500 140 5 159 1| 1.3 1.1 2.4| 0.0 -3.0 -3.0 -2.0 -0.63| 3.4 -2.1 2000 131 6 101 1| 1.0 1.2 2.1| 0.0 -5.0 -5.0 -2.5 -0.69| 3.2 -2.2 2500 123 6 76 2| 0.8 1.2 2.0| 0.0 -7.4 -7.4 -3.0 -0.71| 3.0 -2.1 3000 116 6 62 2| 0.6 1.2 1.8| 0.0 -10.2 -10.2 -3.4 -0.72| 2.9 -2.1 4000 103 6 46 3| 0.7 0.9 1.6| 3.9 -10.9 -6.9 -1.7 -0.52| 2.5 -1.3 5000 100 6 47 4| 0.9 0.7 1.6| 8.8 -10.9 -2.0 -0.4 -0.29| 2.4 -0.7 6000 107 6 60 3| 1.0 0.6 1.6| 13.3 -11.1 2.1 0.4 -0.12| 2.3 -0.3 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251011.12.gif