UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062800.upa.cvt Date: 0000Z 28 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 28 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 1004 6 27.2 25.3 89 1.9 25.8 105 1 300.0 303.8 298.8 360.6 20.62 1 1000 39 27.0 24.9 88 2.1 25.4 120 1 300.1 303.8 298.6 359.5 20.21 2 925 729 23.8 22.5 92 1.3 22.9 155 13 303.6 307.1 298.7 359.8 18.87 3 874 1224 21.6 18.8 84 2.8 19.6 175 14 306.3 309.3 297.4 353.8 15.82 4 850 1466 19.8 17.9 89 1.9 18.5 185 15 306.9 309.8 297.3 353.1 15.36 5 769 2324 14.0 13.9 99 0.1 14.0 190 16 309.6 312.0 296.5 349.4 13.10 6 700 3115 10.2 7.5 83 2.7 8.5 195 17 313.8 315.6 295.0 342.8 9.34 7 662 3579 8.8 4.6 75 4.2 6.3 192 17 317.3 318.8 295.0 342.7 8.06 8 625 4053 5.8 4.7 93 1.1 5.1 188 17 319.1 320.8 295.8 346.4 8.61 9 599 4401 5.0 -1.0 65 6.0 1.7 186 17 322.1 323.2 294.7 341.4 5.95 10 538 5267 -2.3 -3.6 91 1.3 -3.0 179 17 323.4 324.5 294.6 341.2 5.46 11 523 5493 -1.9 -3.0 92 1.1 -2.5 178 17 326.5 327.7 295.7 345.9 5.88 12 518 5569 -2.1 -4.3 85 2.2 -3.2 177 17 327.2 328.2 295.5 345.0 5.38 13 500 5850 -3.7 -4.8 92 1.1 -4.3 175 17 328.5 329.6 295.8 346.4 5.36 14 441 6837 -8.7 -9.5 94 0.8 -9.1 200 11 334.2 335.1 296.4 348.7 4.23 15 400 7590 -12.9 -14.3 89 1.4 -13.5 220 7 338.2 338.9 296.5 349.4 3.16 16 354 8509 -18.3 -20.4 84 2.1 -19.0 237 7 343.0 343.4 296.8 350.8 2.13 17 300 9720 -26.9 -29.4 79 2.5 -27.5 260 7 347.5 347.7 297.0 351.7 1.12 18 262 10683 -34.1 -37.1 74 3.0 -34.6 253 4 350.6 350.8 297.3 353.0 0.60 19 250 11010 -36.9 -40.3 71 3.4 -37.3 250 3 351.2 351.3 297.3 353.0 0.46 20 200 12510 -49.9 -53.4 66 3.5 -50.1 70 3 353.8 353.8 297.5 354.3 0.13 21 191 12809 -52.7 -56.4 64 3.7 -52.8 60 5 353.9 354.0 297.5 354.4 0.10 22 164 13773 -61.1 -66.0 52 4.9 -61.2 29 11 355.6 355.6 297.8 355.8 0.03 23 156 14081 -63.9 -67.9 58 4.0 -64.0 18 13 356.0 356.0 297.9 356.1 0.03 24 150 14320 -66.3 -71.2 50 4.9 -66.4 10 15 355.9 355.9 297.9 355.9 0.02 25 145 14525 -68.3 -73.3 49 5.0 -68.4 15 16 355.9 355.9 297.9 355.9 0.01 26 133 15038 -72.5 -76.0 59 3.5 -72.5 27 18 357.3 357.3 298.2 357.3 0.01 27 129 15218 -73.3 -77.9 49 4.6 -73.3 32 19 359.0 359.0 298.5 359.0 0.01 28 126 15356 -72.3 -78.3 40 6.0 -72.3 35 20 363.2 363.2 299.3 363.2 0.01 29 106 16357 -78.9 -82.5 55 3.6 -78.9 60 25 369.1 369.1 300.4 369.1 0.00 30 100 16690 -77.5 -82.2 47 4.7 -77.5 40 35 378.0 378.0 301.9 378.0 0.00 TRP 106 16357 -78.9 -82.5 55 3.6 -78.9 60 25 369.1 369.1 300.4 369.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5811.00 m Freezing level: 557.22 mb = 4994.46 m = 16385.81 ft Wetbulb zero: 576.63 mb = 4708.05 m = 15446.16 ft Precipitable water: 2.68 inches Sfc-500 mean rel hum: 86.56 % Est. max temperature: 33.99 C = 93.19 F Sfc-Lift cond lev (LCL): 977.20 mb = 243.16 m = 797.77 ft T: 26.05 C 700-500 lapse rate: 5.08 C/km ThetaE index: 17.09 C Layer 874.0- 625.0 mb Conv cond level (CCL): 887.55 mb = 1090.09 m = 3576.37 ft Mean mixing ratio: 19.28 g/kg Conv temperature: 32.80 C = 91.03 F Cap Strength: 1.03 C Lifted Index: -3.90 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.42 C Lifted Index @700 mb: -2.83 C Showalter Index: -1.84 C Risk: Thunderstorms probable Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 21.60 C K Index: 38.70 Risk: > 80 % chance of thunderstorms Sweat Index: 261.80 Risk: None Energy Index: -1.41 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1603.20 J/kg Max Up Vert Vel: 56.63 m/s Conv Inhibition (B-): 18.31 J/kg Cap Strength: 1.03 C Lift Cond Lev (LCL): 930.44 mb = 677.15 m = 2221.58 ft Lev Free Conv (LFC): 845.44 mb = 1512.11 m = 4960.94 ft Equ Level (EL): 125.44 mb = 15381.83 m = 50464.70 ft B at Equ Level: 1577.17 J/kg Wind level data Storm motion: 213 at 11 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 1004 6 105 1 -1.0 0.3 | 38 12 -7.2 -9.3 1 1000 39 120 1 -0.9 0.5 | 38 11 -7.1 -9.0 2 925 729 155 13 -5.5 11.8 | 101 12 -11.7 2.3 3 850 1466 185 15 1.3 14.9 | 138 7 -4.9 5.4 4 700 3115 195 17 4.4 16.4 | 165 7 -1.8 6.9 5 500 5850 175 17 -1.5 16.9 | 134 11 -7.7 7.4 6 400 7590 220 7 4.5 5.4 | 23 5 -1.7 -4.2 7 300 9720 260 7 6.9 1.2 | 356 8 0.6 -8.3 8 250 11010 250 3 2.8 1.0 | 22 9 -3.4 -8.5 9 200 12510 70 3 -2.8 -1.0 | 41 14 -9.1 -10.5 10 150 14320 10 15 -2.6 -14.8 | 20 26 -8.8 -24.3 11 106 16357 60 25 -21.7 -12.5 | 52 36 -27.9 -22.0 12 100 16690 40 35 -22.5 -26.8 | 38 46 -28.7 -36.3 Wind Parameters Mean winds (0-6000m): 183.3 at 15.2 knts Storm direction: 213.3 at 11.4 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 125.2 deg Storm rel helicity (0-3000m) pos: 61.5 neg: 0.0 tot: 61.5 m^2/s^2 ave: 20.5 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 3.8 10^-3/s Energy-Hel index: 0.58 Bulk Rich Number: 82.95 Bulk Shear: 19.33 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 ------------------------------------------------------------------------------- 500 141 5 58 11| 8.6 0.0 8.6| 26.3 0.0 26.3 52.7 1.00| 8.8 8.8 1000 156 9 80 10| 6.8 0.0 6.8| 46.5 0.0 46.5 46.5 0.97| 8.0 7.8 1500 166 11 94 9| 5.1 0.0 5.1| 55.7 0.0 55.7 37.1 0.93| 7.1 6.5 2000 173 12 105 8| 4.0 0.0 4.0| 57.6 0.0 57.6 28.8 0.93| 5.6 5.2 2500 177 13 114 7| 3.3 0.0 3.3| 59.5 0.0 59.5 23.8 0.93| 4.7 4.3 3000 181 13 122 7| 2.9 0.0 2.9| 61.5 0.0 61.5 20.5 0.94| 4.1 3.8 4000 184 14 132 7| 2.2 0.2 2.4| 61.9 -3.2 58.7 14.7 0.80| 3.3 2.7 5000 184 15 136 7| 1.7 0.4 2.1| 61.9 -7.3 54.7 10.9 0.68| 2.9 2.0 6000 183 15 136 8| 1.4 0.4 1.8| 62.4 -10.8 51.6 8.6 0.58| 2.7 1.5 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250628.00.gif