UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060812.upa.cvt Date: 1200Z 8 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 8 JUN 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 1002 6 28.4 26.0 87 2.4 26.6 220 3 301.4 305.3 299.7 365.2 21.57 1 1000 27 28.4 26.0 87 2.4 26.6 220 3 301.5 305.5 299.8 365.5 21.62 2 975 253 26.8 25.1 90 1.7 25.6 205 2 302.1 306.0 299.5 364.4 21.00 3 942 560 27.8 23.8 79 4.0 24.8 186 1 306.1 309.9 299.9 366.6 20.08 4 925 722 26.6 23.7 84 2.9 24.5 175 1 306.5 310.3 300.2 367.9 20.33 5 850 1466 22.2 18.2 78 4.0 19.4 300 3 309.4 312.4 298.1 357.0 15.66 6 779 2220 17.0 14.7 86 2.3 15.4 296 4 311.6 314.2 297.4 353.4 13.63 7 772 2298 17.2 11.2 68 6.0 13.3 295 4 312.7 314.7 295.8 346.3 10.89 8 746 2590 15.2 12.8 86 2.4 13.6 293 4 313.6 316.0 297.1 352.4 12.56 9 700 3130 13.0 7.0 67 6.0 9.3 290 5 316.9 318.6 295.6 345.3 9.02 10 696 3178 12.8 5.8 62 7.0 8.5 289 5 317.2 318.8 295.1 343.5 8.34 11 636 3928 7.2 6.2 93 1.0 6.6 276 9 319.1 320.9 296.4 348.9 9.40 12 631 3992 7.2 5.1 86 2.1 5.9 275 9 319.8 321.5 296.1 347.7 8.77 13 625 4071 8.0 2.0 66 6.0 4.5 273 10 321.6 323.0 295.4 344.5 7.10 14 609 4285 7.4 0.4 61 7.0 3.4 269 11 323.3 324.6 295.4 344.4 6.48 15 507 5769 -1.9 -4.4 83 2.5 -3.2 242 18 329.4 330.5 296.1 347.6 5.45 16 500 5880 -1.3 -6.0 70 4.7 -3.7 240 19 331.5 332.4 296.2 348.0 4.89 17 486 6107 -1.7 -7.7 64 6.0 -4.7 232 18 333.7 334.6 296.4 348.8 4.41 18 400 7630 -12.7 -14.9 84 2.2 -13.6 180 15 338.5 339.1 296.4 349.1 3.01 19 397 7687 -13.1 -14.9 86 1.8 -13.8 181 15 338.7 339.3 296.5 349.4 3.03 20 300 9770 -25.9 -28.7 77 2.8 -26.6 215 11 348.9 349.1 297.4 353.4 1.19 21 282 10217 -28.7 -32.2 72 3.5 -29.4 203 10 351.1 351.3 297.6 354.6 0.91 22 250 11070 -35.7 -39.3 69 3.6 -36.2 180 7 353.0 353.1 297.7 355.0 0.51 23 241 11323 -37.7 -41.2 70 3.5 -38.1 159 7 353.7 353.8 297.8 355.5 0.43 24 222 11883 -41.9 -47.9 52 6.0 -42.4 113 8 355.7 355.7 298.0 356.6 0.23 25 207 12352 -45.5 -49.5 64 4.0 -45.7 74 9 357.2 357.2 298.3 358.0 0.20 26 200 12580 -47.5 -52.0 60 4.5 -47.7 55 9 357.6 357.6 298.4 358.2 0.16 27 164 13857 -58.3 -62.1 62 3.8 -58.4 72 21 360.3 360.3 298.8 360.6 0.05 28 152 14329 -62.9 -67.2 56 4.3 -63.0 79 26 360.4 360.4 298.8 360.5 0.03 29 150 14410 -63.3 -68.1 52 4.8 -63.4 80 27 361.0 361.0 298.9 361.2 0.03 30 118 15840 -75.5 -81.5 38 6.0 -75.5 69 30 364.2 364.2 299.5 364.2 0.00 31 107 16398 -80.7 -85.5 44 4.8 -80.7 65 31 364.7 364.7 299.6 364.7 0.00 32 100 16780 -79.7 -84.5 45 4.8 -79.7 75 31 373.7 373.7 301.2 373.8 0.00 TRP 107 16398 -80.7 -85.5 44 4.8 -80.7 65 31 364.7 364.7 299.6 364.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5853.00 m Freezing level: 527.84 mb = 5465.99 m = 17932.81 ft Wetbulb zero: 556.34 mb = 5017.24 m = 16460.56 ft Precipitable water: 2.73 inches Sfc-500 mean rel hum: 77.34 % Est. max temperature: 36.35 C = 97.43 F Sfc-Lift cond lev (LCL): 968.30 mb = 314.42 m = 1031.55 ft T: 27.00 C 700-500 lapse rate: 5.20 C/km ThetaE index: 21.61 C Layer 850.0- 746.0 mb Conv cond level (CCL): 855.57 mb = 1408.57 m = 4621.23 ft Mean mixing ratio: 20.46 g/kg Conv temperature: 36.20 C = 97.17 F Cap Strength: 2.29 C Lifted Index: -3.43 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.41 C Lifted Index @700 mb: -1.55 C Showalter Index: -0.73 C Risk: Thunderstorms probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.50 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 243.40 Risk: None Energy Index: -1.80 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2112.37 J/kg Max Up Vert Vel: 65.00 m/s Conv Inhibition (B-): 55.61 J/kg Cap Strength: 2.29 C Lift Cond Lev (LCL): 913.58 mb = 831.32 m = 2727.38 ft Lev Free Conv (LFC): 818.58 mb = 1791.74 m = 5878.34 ft Equ Level (EL): 108.58 mb = 16314.53 m = 53524.70 ft B at Equ Level: 2101.47 J/kg Wind level data Storm motion: 285 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 1002 6 220 3 1.9 2.3 | 136 5 -3.6 3.8 1 1000 27 220 3 1.9 2.3 | 136 5 -3.6 3.8 2 925 722 175 1 -0.1 1.0 | 114 6 -5.6 2.5 3 850 1466 300 3 2.6 -1.5 | 90 3 -2.9 -0.0 4 700 3130 290 5 4.7 -1.7 | 75 1 -0.8 -0.2 5 500 5880 240 19 16.5 9.5 | 225 15 10.9 11.0 6 400 7630 180 15 0.0 15.0 | 161 17 -5.5 16.5 7 300 9770 215 11 6.3 9.0 | 184 11 0.8 10.5 8 250 11070 180 7 0.0 7.0 | 147 10 -5.5 8.5 9 200 12580 55 9 -7.4 -5.2 | 74 13 -12.9 -3.7 10 150 14410 80 27 -26.6 -4.7 | 84 32 -32.1 -3.2 11 107 16398 65 31 -28.1 -13.1 | 71 36 -33.6 -11.6 12 100 16780 75 31 -29.9 -8.0 | 80 36 -35.5 -6.5 Wind Parameters Mean winds (0-6000m): 255.0 at 7.6 knts Storm direction: 285.0 at 5.7 knts Shear (0-3000m) pos: 0.7 neg: 0.2 tot: 0.8 10-3/s Storm rel Dir Shear (0-3000m): -59.8 deg Storm rel helicity (0-3000m) pos: 1.4 neg: -5.3 tot: -4.0 m^2/s^2 ave: -1.3 10^-3 m/s^2 rel: -0.40 Storm rel vorticity (0-3000m) horiz: 1.6 stream: -0.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 413.15 Bulk Shear: 5.11 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 ------------------------------------------------------------------------------- 500 210 2 129 6| 0.0 1.9 1.9| 0.0 -2.5 -2.5 -4.9 -0.86| 1.9 -1.7 1000 209 2 124 6| 0.5 0.9 1.4| 1.3 -3.5 -2.2 -2.2 -0.37| 2.0 -0.7 1500 241 2 123 4| 1.3 0.6 2.0| 1.4 -5.1 -3.7 -2.5 -0.44| 2.5 -1.1 2000 267 2 117 4| 1.0 0.3 1.4| 1.4 -5.2 -3.8 -1.9 -0.43| 2.0 -0.9 2500 278 3 111 3| 0.8 0.2 1.0| 1.4 -5.3 -3.9 -1.6 -0.41| 1.8 -0.7 3000 282 3 108 3| 0.7 0.2 0.8| 1.4 -5.3 -4.0 -1.3 -0.40| 1.6 -0.6 4000 281 4 113 2| 0.5 0.7 1.2| 1.4 -5.9 -4.5 -1.1 -0.39| 1.9 -0.7 5000 270 6 183 1| 0.4 1.1 1.5| 1.4 -10.2 -8.8 -1.8 -0.38| 2.1 -0.8 6000 255 8 208 4| 0.3 1.4 1.7| 1.4 -27.2 -25.9 -4.3 -0.44| 2.4 -1.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250608.12.gif