UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062712.upa.cvt Date: 1200Z 27 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 27 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 1003 6 29.6 24.8 75 4.8 26.0 150 1 302.5 306.2 299.1 361.9 20.02 1 1000 29 29.4 25.0 77 4.4 26.1 145 1 302.5 306.3 299.2 362.9 20.33 2 925 722 24.2 22.4 90 1.8 22.9 150 13 304.1 307.5 298.7 360.0 18.75 3 906 904 22.6 22.5 99 0.1 22.6 151 13 304.2 307.8 299.0 361.8 19.27 4 850 1459 19.8 17.4 86 2.4 18.1 155 15 306.9 309.7 297.0 351.6 14.87 5 815 1822 18.6 14.0 75 4.6 15.5 163 14 309.3 311.7 296.0 347.1 12.43 6 751 2522 14.8 12.1 84 2.7 13.0 177 11 312.5 314.8 296.4 349.2 11.90 7 700 3115 11.0 10.0 94 1.0 10.3 190 9 314.7 316.8 296.4 349.2 11.09 8 591 4513 3.4 2.7 95 0.7 3.0 233 7 321.4 323.0 295.9 346.8 7.90 9 556 5009 2.0 -1.3 79 3.3 0.2 248 6 325.4 326.7 295.7 346.0 6.27 10 555 5024 2.0 -1.5 78 3.5 0.1 249 6 325.6 326.8 295.7 345.9 6.19 11 506 5765 -3.1 -3.1 100 0.0 -3.1 272 5 328.1 329.3 296.2 348.1 6.03 12 500 5860 -3.5 -3.5 100 0.0 -3.5 275 5 328.8 330.0 296.3 348.5 5.92 13 496 5923 -3.9 -4.0 99 0.1 -4.0 272 5 329.0 330.2 296.3 348.2 5.75 14 468 6381 -5.1 -8.3 78 3.2 -6.6 247 7 333.1 333.9 296.2 348.0 4.37 15 466 6415 -4.3 -10.3 63 6.0 -7.1 245 7 334.5 335.2 296.1 347.4 3.75 16 416 7299 -10.3 -12.3 85 2.0 -11.2 197 10 337.8 338.5 296.7 350.3 3.58 17 409 7430 -11.1 -17.1 61 6.0 -13.3 189 10 338.4 338.9 296.0 347.1 2.45 18 400 7600 -12.5 -15.6 78 3.1 -13.7 180 11 338.7 339.3 296.4 348.8 2.84 19 381 7970 -15.5 -17.6 84 2.1 -16.3 165 10 339.5 340.1 296.3 348.5 2.52 20 359 8416 -17.9 -18.6 94 0.7 -18.1 146 9 342.1 342.7 296.8 351.0 2.46 21 330 9043 -20.7 -25.7 64 5.0 -22.1 120 7 346.6 346.9 297.1 352.0 1.43 22 300 9740 -26.3 -29.1 77 2.8 -26.9 90 5 348.3 348.6 297.2 352.7 1.15 23 295 9861 -27.5 -29.7 81 2.2 -28.0 84 5 348.3 348.5 297.2 352.5 1.10 24 279 10259 -29.7 -33.0 73 3.3 -30.3 64 7 350.7 350.9 297.5 354.1 0.85 25 252 10975 -35.7 -38.7 74 3.0 -36.1 28 9 352.2 352.3 297.5 354.3 0.53 26 250 11030 -36.3 -39.6 71 3.3 -36.7 25 9 352.1 352.2 297.5 354.1 0.49 27 200 12540 -49.3 -53.5 61 4.2 -49.5 40 9 354.7 354.7 297.7 355.3 0.13 28 170 13579 -59.1 -63.4 57 4.3 -59.2 34 17 355.3 355.3 297.8 355.5 0.04 29 153 14230 -64.7 -69.2 54 4.5 -64.7 31 22 356.6 356.6 298.0 356.7 0.02 30 150 14350 -65.1 -72.1 37 7.0 -65.2 30 23 357.9 357.9 298.3 358.0 0.02 31 141 14723 -67.7 -76.7 27 9.0 -67.8 33 25 359.8 359.8 298.7 359.8 0.01 32 105 16443 -79.3 -82.8 56 3.5 -79.3 50 35 369.3 369.3 300.4 369.3 0.00 33 100 16720 -77.7 -82.7 44 5.0 -77.7 75 38 377.6 377.6 301.9 377.6 0.00 TRP 105 16443 -79.3 -82.8 56 3.5 -79.3 50 35 369.3 369.3 300.4 369.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5831.00 m Freezing level: 535.78 mb = 5314.43 m = 17435.57 ft Wetbulb zero: 553.79 mb = 5041.13 m = 16538.94 ft Precipitable water: 2.74 inches Sfc-500 mean rel hum: 88.38 % Est. max temperature: 33.85 C = 92.94 F Sfc-Lift cond lev (LCL): 936.09 mb = 616.05 m = 2021.13 ft T: 25.00 C 700-500 lapse rate: 5.28 C/km ThetaE index: 14.64 C Layer 850.0- 751.0 mb Conv cond level (CCL): 907.04 mb = 893.91 m = 2932.73 ft Mean mixing ratio: 19.44 g/kg Conv temperature: 31.32 C = 88.37 F Cap Strength: 0.63 C Lifted Index: -4.28 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.70 C Lifted Index @700 mb: -2.50 C Showalter Index: -1.12 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 20.90 C K Index: 39.70 Risk: > 80 % chance of thunderstorms Sweat Index: 243.80 Risk: None Energy Index: -0.69 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1633.84 J/kg Max Up Vert Vel: 57.16 m/s Conv Inhibition (B-): 3.03 J/kg Cap Strength: 0.63 C Lift Cond Lev (LCL): 917.03 mb = 797.84 m = 2617.56 ft Lev Free Conv (LFC): 892.03 mb = 1039.11 m = 3409.12 ft Equ Level (EL): 132.03 mb = 15106.65 m = 49561.91 ft B at Equ Level: 1626.16 J/kg Wind level data Storm motion: 209 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 1003 6 150 1 -0.5 0.9 | 37 6 -3.8 -5.1 1 1000 29 145 1 -0.6 0.8 | 37 6 -3.9 -5.2 2 925 722 150 13 -6.5 11.3 | 118 11 -9.8 5.3 3 850 1459 155 15 -6.3 13.6 | 128 12 -9.7 7.6 4 700 3115 190 9 1.6 8.9 | 149 3 -1.7 2.9 5 500 5860 275 5 5.0 -0.4 | 345 7 1.7 -6.4 6 400 7600 180 11 0.0 11.0 | 147 6 -3.3 5.0 7 300 9740 90 5 -5.0 0.0 | 54 10 -8.3 -6.0 8 250 11030 25 9 -3.8 -8.2 | 27 16 -7.1 -14.1 9 200 12540 40 9 -5.8 -6.9 | 35 16 -9.1 -12.9 10 150 14350 30 23 -11.5 -19.9 | 30 30 -14.8 -25.9 11 105 16443 50 35 -26.8 -22.5 | 47 41 -30.1 -28.5 12 100 16720 75 38 -36.7 -9.8 | 68 43 -40.0 -15.8 Wind Parameters Mean winds (0-6000m): 178.9 at 9.1 knts Storm direction: 208.9 at 6.8 knts Shear (0-3000m) pos: 1.1 neg: 1.4 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 111.6 deg Storm rel helicity (0-3000m) pos: 33.3 neg: 0.0 tot: 33.3 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.6 10^-3/s Energy-Hel index: 0.31 Bulk Rich Number: 405.62 Bulk Shear: 4.03 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 ------------------------------------------------------------------------------- 500 148 5 73 6| 0.0 8.5 8.5| 13.5 0.0 13.5 27.0 0.93| 8.5 7.9 1000 150 9 101 8| 2.3 4.2 6.6| 22.3 0.0 22.3 22.3 0.85| 6.7 5.7 1500 152 11 112 9| 2.0 2.8 4.8| 26.7 0.0 26.7 17.8 0.85| 5.0 4.3 2000 155 11 118 9| 1.3 2.1 3.4| 30.7 0.0 30.7 15.3 0.78| 4.6 3.6 2500 158 12 121 9| 1.1 1.7 2.8| 32.7 0.0 32.7 13.1 0.72| 4.2 3.0 3000 160 11 124 9| 1.1 1.4 2.5| 33.3 0.0 33.3 11.1 0.66| 4.0 2.6 4000 168 11 128 7| 1.2 1.1 2.3| 34.8 0.0 34.8 8.7 0.66| 3.6 2.4 5000 174 10 132 6| 1.2 0.8 2.1| 36.7 0.0 36.7 7.3 0.66| 3.3 2.2 6000 179 9 132 5| 1.1 0.7 1.8| 39.3 -1.0 38.3 6.4 0.63| 3.0 1.9 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250627.12.gif