UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101012.upa.cvt Date: 1200Z 10 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 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 1009 6 29.2 22.2 66 7.0 24.1 85 1 301.6 304.7 297.0 351.5 16.93 1 1005 43 31.2 20.2 52 11.0 23.3 83 2 303.9 306.7 296.3 348.5 14.99 2 1000 90 30.6 19.6 52 11.0 22.8 80 3 303.8 306.4 295.9 346.8 14.50 3 925 783 24.2 19.3 74 4.9 20.7 60 3 304.1 306.9 296.6 349.9 15.41 4 919 840 23.8 19.1 75 4.7 20.5 63 3 304.2 307.0 296.6 349.8 15.32 5 850 1519 19.4 12.4 64 7.0 14.8 105 5 306.5 308.5 294.0 338.7 10.70 6 794 2102 16.2 8.2 59 8.0 11.3 107 7 309.1 310.7 293.2 335.4 8.63 7 789 2156 16.2 4.2 45 12.0 9.3 107 7 309.6 310.9 291.7 329.9 6.56 8 775 2307 14.6 8.6 67 6.0 10.9 107 8 309.5 311.2 293.6 337.3 9.09 9 760 2473 14.8 -7.2 21 22.0 4.4 108 8 311.5 312.0 289.0 320.8 2.93 10 744 2652 13.2 -2.8 33 16.0 5.0 108 9 311.6 312.4 290.2 324.8 4.18 11 734 2766 12.2 5.2 62 7.0 8.0 109 10 311.7 313.2 293.1 335.2 7.58 12 726 2858 12.6 -3.4 33 16.0 4.5 109 10 313.2 313.9 290.6 326.2 4.10 13 717 2963 12.0 -5.0 30 17.0 3.7 109 10 313.6 314.3 290.4 325.4 3.68 14 706 3092 10.6 2.6 58 8.0 6.1 110 11 313.5 314.7 292.8 334.0 6.55 15 700 3163 11.0 -4.0 35 15.0 3.5 110 11 314.7 315.4 291.0 327.6 4.06 16 679 3416 9.2 1.2 57 8.0 4.8 110 11 315.4 316.6 293.0 334.9 6.16 17 655 3714 8.0 -15.0 18 23.0 -1.2 109 12 317.3 317.7 289.8 323.4 1.82 18 625 4100 6.4 -10.6 28 17.0 -1.1 108 12 319.8 320.3 291.4 328.8 2.73 19 617 4206 6.4 -16.6 17 23.0 -2.6 108 13 321.0 321.3 290.7 326.7 1.69 20 582 4682 2.8 -14.2 27 17.0 -4.1 107 13 322.2 322.6 291.6 329.5 2.19 21 559 5008 0.2 -4.8 69 5.0 -2.3 107 14 322.8 323.8 294.0 338.5 4.79 22 553 5094 0.0 -3.4 78 3.4 -1.7 106 14 323.6 324.6 294.6 341.2 5.39 23 551 5123 0.2 -9.8 47 10.0 -4.3 106 14 324.2 324.8 293.1 335.2 3.30 24 536 5345 0.0 -24.0 14 24.0 -7.7 106 14 326.5 326.7 291.7 330.1 1.03 25 528 5465 -0.7 -23.7 16 23.0 -8.1 106 14 327.0 327.3 291.9 330.9 1.07 26 523 5541 -0.7 -33.7 6 33.0 -9.2 106 14 327.9 328.0 291.6 329.5 0.42 27 500 5900 -2.1 -35.1 6 33.0 -10.3 105 15 330.5 330.6 292.2 331.9 0.39 28 489 6076 -2.9 -32.9 8 30.0 -10.7 105 14 331.6 331.7 292.6 333.4 0.49 29 437 6954 -9.7 -39.7 7 30.0 -15.7 105 11 333.8 333.9 293.0 334.9 0.28 30 400 7630 -14.3 -33.3 18 19.0 -18.6 105 9 336.4 336.5 294.0 338.6 0.58 31 368 8257 -18.5 -30.5 34 12.0 -21.3 121 7 338.9 339.1 294.8 342.0 0.82 32 300 9750 -29.1 -49.1 13 20.0 -31.2 160 1 344.4 344.4 295.5 345.0 0.15 33 298 9797 -29.3 -50.3 11 21.0 -31.4 163 1 344.7 344.8 295.6 345.3 0.13 34 276 10337 -33.3 -53.3 12 20.0 -34.9 203 6 346.6 346.6 296.0 347.0 0.10 35 250 11020 -39.1 -55.1 17 16.0 -40.1 255 11 347.9 348.0 296.3 348.3 0.09 36 245 11159 -40.3 -57.3 15 17.0 -41.2 250 11 348.2 348.2 296.3 348.4 0.07 37 220 11884 -46.9 -52.9 50 6.0 -47.2 223 10 348.9 348.9 296.5 349.4 0.13 38 215 12036 -48.3 -60.3 24 12.0 -48.7 218 10 349.0 349.0 296.4 349.2 0.05 39 208 12254 -50.1 -56.1 49 6.0 -50.3 210 9 349.5 349.5 296.6 349.9 0.09 40 201 12478 -51.7 -55.1 67 3.4 -51.8 201 9 350.4 350.4 296.8 350.9 0.11 41 200 12510 -52.1 -57.1 55 5.0 -52.3 200 9 350.3 350.3 296.8 350.6 0.08 42 188 12907 -54.7 -75.7 6 21.0 -55.0 192 12 352.3 352.3 297.1 352.4 0.01 43 150 14310 -66.1 -81.1 11 15.0 -66.2 165 21 356.2 356.2 298.0 356.2 0.00 44 149 14351 -66.5 -81.5 10 15.0 -66.6 164 21 356.2 356.2 298.0 356.2 0.00 45 107 16302 -77.7 -84.7 31 7.0 -77.7 136 28 370.4 370.4 300.7 370.4 0.00 46 100 16690 -77.1 -86.1 22 9.0 -77.1 130 29 378.8 378.8 302.1 378.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5810.00 m Freezing level: 536.00 mb = 5344.67 m = 17534.79 ft Wetbulb zero: 659.86 mb = 3653.06 m = 11984.97 ft Precipitable water: 1.56 inches Sfc-500 mean rel hum: 43.79 % Est. max temperature: 33.80 C = 92.84 F Sfc-Lift cond lev (LCL): 911.89 mb = 907.65 m = 2977.83 ft T: 23.36 C 700-500 lapse rate: 4.79 C/km ThetaE index: 20.02 C Layer 919.0- 775.0 mb Conv cond level (CCL): 801.22 mb = 2024.47 m = 6641.88 ft Mean mixing ratio: 15.01 g/kg Conv temperature: 36.38 C = 97.48 F Cap Strength: 2.19 C Lifted Index: 1.34 C Risk: Showers probable Lifted Index @300 mb: 0.06 C Lifted Index @700 mb: 0.78 C Showalter Index: 5.20 C Risk: None Total Totals Index: 36.00 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 14.50 C K Index: 18.90 Risk: < 20 % chance of thunderstorms Sweat Index: 173.80 Risk: None Energy Index: -1.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.28 J/kg Max Up Vert Vel: 10.32 m/s Conv Inhibition (B-): 118.78 J/kg Cap Strength: 2.19 C Lift Cond Lev (LCL): 857.87 mb = 1438.86 m = 4720.60 ft Lev Free Conv (LFC): 582.87 mb = 4670.26 m = 15322.18 ft Equ Level (EL): 542.87 mb = 5242.53 m = 17199.69 ft B at Equ Level: 12.90 J/kg Max Parcel Lev (MPL): 502.87 mb = 5854.38 m = 19207.04 ft Wind level data Storm motion: 135 at 7 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 85 1 -1.0 -0.1 | 322 6 4.0 -5.1 1 1000 90 80 3 -3.0 -0.5 | 340 6 2.0 -5.5 2 925 783 60 3 -2.6 -1.5 | 340 7 2.4 -6.5 3 850 1519 105 5 -4.8 1.3 | 358 4 0.1 -3.7 4 700 3163 110 11 -10.3 3.8 | 77 6 -5.4 -1.2 5 500 5900 105 15 -14.5 3.9 | 83 10 -9.5 -1.1 6 400 7630 105 9 -8.7 2.3 | 55 5 -3.7 -2.7 7 300 9750 160 1 -0.3 0.9 | 311 6 4.6 -4.1 8 250 11020 255 11 10.6 2.8 | 278 16 15.6 -2.1 9 200 12510 200 9 3.1 8.5 | 247 9 8.0 3.5 10 150 14310 165 21 -5.4 20.3 | 178 15 -0.5 15.3 11 100 16690 130 29 -22.2 18.6 | 128 22 -17.3 13.6 Wind Parameters Mean winds (0-6000m): 105.2 at 9.4 knts Storm direction: 135.2 at 7.0 knts Shear (0-3000m) pos: 1.4 neg: 0.4 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 110.7 deg Storm rel helicity (0-3000m) pos: 10.8 neg: -0.1 tot: 10.8 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 8.04 Bulk Shear: 6.63 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 75 3 339 6| 0.0 2.1 2.1| 3.2 -0.0 3.2 6.3 0.75| 2.7 2.0 1000 70 3 340 6| 0.4 1.1 1.4| 4.3 -0.1 4.3 4.3 0.67| 2.0 1.3 1500 80 3 344 6| 1.1 0.7 1.8| 5.8 -0.1 5.7 3.8 0.56| 2.2 1.3 2000 90 4 349 5| 1.2 0.5 1.8| 7.4 -0.1 7.4 3.7 0.65| 2.2 1.4 2500 96 5 357 5| 1.4 0.4 1.8| 9.1 -0.1 9.0 3.6 0.70| 2.1 1.5 3000 100 6 8 4| 1.4 0.4 1.8| 10.8 -0.1 10.8 3.6 0.72| 2.1 1.5 4000 104 7 29 4| 1.1 0.5 1.5| 12.0 -0.1 11.9 3.0 0.68| 1.8 1.2 5000 105 8 47 4| 0.9 0.5 1.4| 12.5 -0.1 12.4 2.5 0.63| 1.6 1.0 6000 105 9 58 5| 0.7 0.5 1.2| 12.8 -0.4 12.4 2.1 0.56| 1.5 0.8 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251010.12.gif