UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070500.upa.cvt Date: 0000Z 5 JUL 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 5 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 1005 6 28.2 25.0 83 3.2 25.8 90 1 300.9 304.6 298.8 360.6 20.23 1 1000 46 28.0 24.8 83 3.2 25.6 90 1 301.1 304.8 298.8 360.4 20.08 2 971 307 25.6 24.5 94 1.1 24.8 99 3 301.3 305.0 299.0 361.3 20.32 3 963 380 25.8 20.9 74 4.9 22.3 102 3 302.2 305.2 296.7 350.5 16.37 4 926 726 23.2 21.4 90 1.8 21.9 115 5 302.9 306.2 297.7 355.1 17.59 5 925 735 23.2 21.2 89 2.0 21.8 115 5 303.0 306.2 297.6 354.6 17.39 6 850 1471 19.4 15.5 78 3.9 16.7 80 3 306.5 308.9 295.7 346.0 13.14 7 820 1780 17.4 14.9 85 2.5 15.7 88 4 307.5 310.0 296.0 347.1 13.11 8 765 2373 15.8 9.8 67 6.0 12.0 104 5 312.0 313.9 295.0 342.8 10.00 9 705 3063 11.0 9.3 89 1.7 9.9 123 7 314.0 316.0 295.8 346.6 10.50 10 700 3123 10.8 8.9 88 1.9 9.6 125 7 314.4 316.4 295.8 346.4 10.29 11 630 3997 7.2 3.0 75 4.2 4.7 128 10 320.0 321.4 295.3 344.1 7.56 12 604 4343 5.0 0.7 74 4.3 2.6 129 11 321.3 322.6 295.0 342.8 6.68 13 502 5828 -4.5 -5.4 93 0.9 -5.0 135 17 327.2 328.2 295.3 344.1 5.10 14 500 5860 -3.9 -5.8 87 1.9 -4.8 135 17 328.3 329.3 295.5 344.9 4.97 15 415 7317 -10.7 -18.7 52 8.0 -13.6 135 12 337.5 337.9 295.5 345.0 2.11 16 400 7600 -12.7 -18.7 61 6.0 -14.8 135 11 338.5 338.9 295.8 346.3 2.19 17 379 8009 -15.9 -20.2 69 4.3 -17.3 143 10 339.5 339.9 295.9 346.8 2.03 18 370 8190 -16.9 -26.9 42 10.0 -19.6 147 9 340.5 340.8 295.4 344.8 1.14 19 358 8437 -18.7 -25.7 54 7.0 -20.6 152 8 341.3 341.6 295.8 346.2 1.32 20 354 8520 -19.3 -30.3 37 11.0 -21.9 154 8 341.6 341.8 295.5 344.9 0.87 21 342 8776 -21.1 -27.1 58 6.0 -22.7 160 7 342.6 342.8 296.0 347.1 1.21 22 312 9447 -25.9 -30.8 63 4.9 -26.9 174 4 345.0 345.2 296.3 348.6 0.94 23 308 9541 -26.9 -30.7 70 3.8 -27.7 176 4 344.9 345.1 296.3 348.5 0.96 24 301 9706 -28.1 -34.1 56 6.0 -29.2 179 3 345.4 345.6 296.3 348.2 0.71 25 300 9730 -28.3 -34.3 56 6.0 -29.4 180 3 345.5 345.6 296.3 348.2 0.70 26 264 10633 -35.9 -37.9 82 2.0 -36.2 229 9 347.2 347.4 296.5 349.4 0.55 27 250 11010 -38.7 -42.4 68 3.7 -39.1 250 11 348.5 348.6 296.6 350.0 0.37 28 234 11457 -42.7 -45.0 78 2.3 -42.9 257 10 349.1 349.2 296.7 350.3 0.30 29 217 11957 -47.3 -51.8 60 4.5 -47.6 266 8 349.6 349.6 296.7 350.2 0.15 30 200 12490 -50.1 -71.1 7 21.0 -50.5 275 7 353.4 353.4 297.4 353.5 0.01 31 171 13497 -58.5 -69.5 23 11.0 -58.7 240 8 355.7 355.7 297.8 355.8 0.02 32 154 14149 -63.9 -76.9 15 13.0 -64.0 216 9 357.3 357.3 298.2 357.3 0.01 33 150 14310 -64.9 -79.9 11 15.0 -65.0 210 9 358.3 358.3 298.4 358.3 0.00 34 113 15980 -77.7 -81.8 51 4.1 -77.7 95 5 364.6 364.6 299.6 364.7 0.00 35 100 16680 -76.9 -84.9 27 8.0 -76.9 80 27 379.1 379.1 302.1 379.2 0.00 TRP 113 15980 -77.7 -81.8 51 4.1 -77.7 95 5 364.6 364.6 299.6 364.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5814.00 m Freezing level: 550.32 mb = 5124.68 m = 16813.04 ft Wetbulb zero: 568.94 mb = 4822.98 m = 15823.23 ft Precipitable water: 2.46 inches Sfc-500 mean rel hum: 81.42 % Est. max temperature: 33.52 C = 92.33 F Sfc-Lift cond lev (LCL): 959.95 mb = 408.38 m = 1339.83 ft T: 25.59 C 700-500 lapse rate: 5.37 C/km ThetaE index: 10.73 C Layer 963.0- 926.0 mb Conv cond level (CCL): 883.11 mb = 1138.43 m = 3734.97 ft Mean mixing ratio: 18.11 g/kg Conv temperature: 32.20 C = 89.96 F Cap Strength: 1.08 C Lifted Index: -2.98 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.01 C Lifted Index @700 mb: -1.35 C Showalter Index: 0.53 C Risk: Thunderstorms probable Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 19.40 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 209.00 Risk: None Energy Index: -0.25 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 955.77 J/kg Max Up Vert Vel: 43.72 m/s Conv Inhibition (B-): 21.79 J/kg Cap Strength: 1.08 C Lift Cond Lev (LCL): 917.94 mb = 801.68 m = 2630.14 ft Lev Free Conv (LFC): 832.94 mb = 1645.39 m = 5398.18 ft Equ Level (EL): 782.94 mb = 2175.30 m = 7136.71 ft B at Equ Level: 14.39 J/kg Wind level data Storm motion: 157 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 1005 6 90 1 -1.0 0.0 | 346 6 1.4 -5.6 1 1000 46 90 1 -1.0 0.0 | 346 6 1.4 -5.6 2 925 735 115 5 -4.5 2.1 | 31 4 -2.1 -3.5 3 850 1471 80 3 -3.0 -0.5 | 5 6 -0.5 -6.2 4 700 3123 125 7 -5.7 4.0 | 64 4 -3.3 -1.6 5 500 5860 135 17 -12.0 12.0 | 124 11 -9.6 6.4 6 400 7600 135 11 -7.8 7.8 | 112 6 -5.3 2.1 7 300 9730 180 3 0.0 3.0 | 317 4 2.4 -2.6 8 250 11010 250 11 10.3 3.8 | 278 13 12.8 -1.9 9 200 12490 275 7 7.0 -0.6 | 304 11 9.4 -6.3 10 150 14310 210 9 4.5 7.8 | 253 7 6.9 2.1 11 113 15980 95 5 -5.0 0.4 | 26 6 -2.5 -5.2 12 100 16680 80 27 -26.6 -4.7 | 67 26 -24.1 -10.3 Wind Parameters Mean winds (0-6000m): 126.6 at 8.2 knts Storm direction: 156.6 at 6.2 knts Shear (0-3000m) pos: 1.2 neg: 0.3 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 71.5 deg Storm rel helicity (0-3000m) pos: 11.0 neg: -2.9 tot: 8.1 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 1.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 185.14 Bulk Shear: 5.16 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 ------------------------------------------------------------------------------- 500 103 2 357 5| 2.8 0.0 2.8| 3.5 0.0 3.5 7.1 0.91| 2.8 2.6 1000 110 3 9 5| 1.4 0.3 1.7| 4.9 -0.8 4.1 4.1 0.58| 2.7 1.6 1500 105 3 10 5| 0.9 0.6 1.5| 4.9 -2.9 2.0 1.3 0.23| 2.4 0.6 2000 101 3 11 5| 1.1 0.4 1.5| 7.1 -2.9 4.1 2.1 0.36| 2.2 0.8 2500 102 4 14 5| 1.2 0.3 1.5| 9.1 -2.9 6.2 2.5 0.44| 2.1 0.9 3000 108 4 19 5| 1.2 0.3 1.5| 11.0 -2.9 8.1 2.7 0.51| 2.1 1.1 4000 116 5 33 4| 1.4 0.2 1.6| 14.5 -2.9 11.6 2.9 0.58| 2.0 1.2 5000 122 7 56 4| 1.5 0.2 1.7| 18.5 -2.9 15.6 3.1 0.58| 2.0 1.2 6000 127 8 80 4| 1.5 0.1 1.6| 22.6 -3.1 19.4 3.2 0.56| 2.0 1.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250705.00.gif