UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070412.upa.cvt Date: 1200Z 4 JUL 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 4 JUL 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 1003 6 29.8 23.8 70 6.0 25.3 160 3 302.7 306.2 298.4 358.5 18.82 1 1000 36 29.6 23.6 70 6.0 25.2 160 3 302.8 306.2 298.3 358.0 18.65 2 925 730 25.0 22.0 83 3.0 22.8 125 5 304.9 308.3 298.6 359.6 18.28 3 850 1469 20.2 17.0 82 3.2 17.9 110 7 307.3 310.0 296.8 351.0 14.49 4 767 2349 14.0 13.1 94 0.9 13.4 99 7 309.8 312.1 296.1 347.7 12.45 5 728 2791 13.2 9.8 80 3.4 11.0 94 7 313.6 315.6 295.8 346.1 10.51 6 700 3121 11.8 8.4 80 3.4 9.6 90 7 315.6 317.5 295.9 346.6 9.94 7 686 3290 11.0 6.4 73 4.6 8.2 91 7 316.5 318.2 295.3 344.2 8.83 8 680 3364 10.4 9.5 94 0.9 9.8 91 8 316.6 318.7 296.9 351.2 11.04 9 676 3413 11.0 5.0 66 6.0 7.3 91 8 317.8 319.4 295.1 343.5 8.12 10 643 3830 9.0 3.0 66 6.0 5.5 93 9 320.1 321.6 295.3 343.8 7.41 11 618 4158 7.4 2.4 71 5.0 4.5 94 10 321.9 323.4 295.7 345.8 7.39 12 608 4292 6.0 4.4 89 1.6 5.0 94 10 321.8 323.5 296.5 349.6 8.67 13 568 4848 3.0 -1.1 74 4.1 0.7 96 12 324.6 325.9 295.5 345.0 6.23 14 504 5807 -3.5 -3.5 100 0.0 -3.5 100 15 328.0 329.2 296.1 347.5 5.87 15 500 5870 -3.9 -4.1 99 0.2 -4.0 100 15 328.3 329.4 296.0 347.1 5.66 16 491 6013 -4.9 -5.1 98 0.2 -5.0 100 14 328.8 329.8 295.8 346.6 5.34 17 488 6061 -4.3 -5.8 89 1.5 -5.1 100 14 330.1 331.1 296.0 347.2 5.09 18 463 6473 -6.3 -10.8 70 4.5 -8.3 100 12 332.6 333.3 295.5 345.0 3.63 19 442 6834 -8.9 -10.9 85 2.0 -9.8 100 9 333.8 334.5 295.9 346.7 3.77 20 419 7245 -10.7 -17.7 56 7.0 -13.3 100 7 336.6 337.0 295.4 344.7 2.27 21 400 7600 -13.3 -19.3 61 6.0 -15.4 100 5 337.7 338.1 295.6 345.1 2.08 22 397 7657 -13.9 -19.9 60 6.0 -15.9 104 5 337.6 338.1 295.4 344.8 1.99 23 389 7812 -14.3 -25.3 39 11.0 -17.5 114 5 339.1 339.4 295.2 343.7 1.26 24 374 8110 -16.7 -19.3 80 2.6 -17.6 134 5 339.8 340.2 296.1 347.7 2.22 25 333 8977 -21.5 -27.5 58 6.0 -23.0 192 5 344.6 344.9 296.4 349.2 1.20 26 300 9740 -27.3 -35.3 47 8.0 -28.7 245 5 346.9 347.0 296.5 349.4 0.63 27 286 10081 -30.1 -37.1 50 7.0 -31.2 246 7 347.7 347.8 296.6 349.9 0.55 28 277 10307 -31.5 -47.5 19 16.0 -33.2 247 8 348.8 348.9 296.5 349.6 0.19 29 250 11020 -37.7 -49.7 27 12.0 -38.7 250 13 350.0 350.1 296.8 350.7 0.16 30 237 11386 -40.7 -48.7 42 8.0 -41.3 242 15 350.9 350.9 297.0 351.7 0.19 31 229 11619 -42.3 -56.3 20 14.0 -43.0 236 16 351.9 351.9 297.1 352.3 0.08 32 214 12074 -46.3 -61.3 17 15.0 -46.9 226 19 352.6 352.6 297.3 352.8 0.05 33 201 12487 -49.9 -63.9 18 14.0 -50.3 216 21 353.2 353.3 297.4 353.4 0.04 34 200 12520 -50.1 -65.1 15 15.0 -50.5 215 21 353.4 353.4 297.4 353.6 0.03 35 190 12854 -52.3 -71.3 8 19.0 -52.7 217 19 355.1 355.1 297.7 355.2 0.01 36 150 14340 -65.3 -72.3 37 7.0 -65.4 225 7 357.6 357.6 298.2 357.7 0.01 37 131 15150 -72.3 -75.7 60 3.4 -72.3 160 6 359.2 359.2 298.5 359.2 0.01 38 123 15518 -75.1 -79.3 52 4.2 -75.1 130 5 360.6 360.6 298.8 360.7 0.01 39 111 16112 -75.9 -80.9 45 5.0 -75.9 98 15 369.9 369.9 300.5 369.9 0.01 40 100 16720 -72.5 -84.5 15 12.0 -72.5 65 25 387.6 387.7 303.5 387.7 0.00 TRP 123 15518 -75.1 -79.3 52 4.2 -75.1 130 5 360.6 360.6 298.8 360.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5834.00 m Freezing level: 538.46 mb = 5290.46 m = 17356.93 ft Wetbulb zero: 557.03 mb = 5004.21 m = 16417.82 ft Precipitable water: 2.56 inches Sfc-500 mean rel hum: 81.57 % Est. max temperature: 34.32 C = 93.78 F Sfc-Lift cond lev (LCL): 919.92 mb = 778.14 m = 2552.93 ft T: 24.69 C 700-500 lapse rate: 5.71 C/km ThetaE index: 13.44 C Layer 850.0- 700.0 mb Conv cond level (CCL): 859.67 mb = 1370.16 m = 4495.22 ft Mean mixing ratio: 18.30 g/kg Conv temperature: 34.10 C = 93.38 F Cap Strength: 1.64 C Lifted Index: -3.86 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.41 C Lifted Index @700 mb: -1.05 C Showalter Index: -1.28 C Risk: Thunderstorms probable Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.90 C K Index: 37.70 Risk: > 80 % chance of thunderstorms Sweat Index: 233.00 Risk: None Energy Index: -0.82 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1253.79 J/kg Max Up Vert Vel: 50.08 m/s Conv Inhibition (B-): 28.33 J/kg Cap Strength: 1.64 C Lift Cond Lev (LCL): 895.99 mb = 1008.45 m = 3308.53 ft Lev Free Conv (LFC): 830.99 mb = 1662.72 m = 5455.04 ft Equ Level (EL): 130.99 mb = 15150.48 m = 49705.71 ft B at Equ Level: 1244.16 J/kg Wind level data Storm motion: 131 at 6 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 1003 6 160 3 -1.0 2.8 | 291 4 3.8 -1.4 1 1000 36 160 3 -1.0 2.8 | 291 4 3.8 -1.4 2 925 730 125 5 -4.1 2.9 | 331 2 0.8 -1.4 3 850 1469 110 7 -6.6 2.4 | 43 3 -1.7 -1.9 4 700 3121 90 7 -7.0 0.0 | 27 5 -2.2 -4.2 5 500 5870 100 15 -14.8 2.6 | 81 10 -9.9 -1.6 6 400 7600 100 5 -4.9 0.9 | 1 3 -0.1 -3.4 7 300 9740 245 5 4.5 2.1 | 283 10 9.4 -2.1 8 250 11020 250 13 12.2 4.4 | 269 17 17.1 0.2 9 200 12520 215 21 12.0 17.2 | 233 21 16.9 13.0 10 150 14340 225 7 4.9 4.9 | 266 10 9.8 0.7 11 123 15518 130 5 -3.8 3.2 | 315 1 1.0 -1.0 12 100 16720 65 25 -22.7 -10.6 | 50 23 -17.8 -14.8 Wind Parameters Mean winds (0-6000m): 101.2 at 8.6 knts Storm direction: 131.2 at 6.4 knts Shear (0-3000m) pos: 0.0 neg: 1.1 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 97.3 deg Storm rel helicity (0-3000m) pos: 1.6 neg: -0.9 tot: 0.8 m^2/s^2 ave: 0.3 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 1.4 stream: 0.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 219.60 Bulk Shear: 5.71 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 ------------------------------------------------------------------------------- 500 147 4 293 3| 0.0 2.1 2.1| 0.3 -0.0 0.3 0.6 0.23| 2.1 0.5 1000 133 4 308 2| 0.0 2.0 2.0| 1.1 -0.0 1.1 1.1 0.56| 2.1 1.2 1500 124 5 335 2| 0.0 1.9 1.9| 1.6 -0.0 1.6 1.1 0.59| 2.0 1.2 2000 119 6 0 2| 0.0 1.5 1.5| 1.6 -0.2 1.4 0.7 0.48| 1.7 0.8 2500 114 6 14 2| 0.0 1.3 1.3| 1.6 -0.5 1.1 0.4 0.39| 1.5 0.6 3000 110 6 21 2| 0.0 1.1 1.1| 1.6 -0.9 0.8 0.3 0.31| 1.4 0.4 4000 104 7 30 3| 0.3 0.8 1.2| 4.8 -1.0 3.9 1.0 0.44| 1.4 0.6 5000 102 7 42 4| 0.6 0.7 1.2| 8.9 -1.0 7.9 1.6 0.50| 1.4 0.7 6000 101 9 54 4| 0.6 0.6 1.2| 12.7 -1.5 11.2 1.9 0.49| 1.4 0.7 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250704.12.gif