UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060200.upa.cvt Date: 0000Z 2 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 2 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 ------------------------------------------------------------------------------- 0 1000 -3 250 1 SFC 999 6 33.4 22.4 53 11.0 25.3 250 1 306.6 309.9 298.5 358.8 17.32 2 925 699 29.0 19.0 55 10.0 21.8 280 19 309.0 311.8 297.7 354.9 15.12 3 850 1448 24.4 17.4 65 7.0 19.4 325 7 311.7 314.5 298.2 357.3 14.87 4 828 1678 22.6 16.6 69 6.0 18.4 343 6 312.2 314.9 298.1 356.7 14.50 5 700 3124 14.4 10.4 77 4.0 11.7 100 3 318.4 320.6 297.5 354.4 11.40 6 697 3160 14.2 10.2 77 4.0 11.6 102 3 318.6 320.8 297.5 354.2 11.29 7 687 3283 14.6 8.6 67 6.0 10.7 107 3 320.4 322.4 297.3 353.0 10.27 8 645 3814 10.0 7.4 84 2.6 8.3 129 4 321.0 323.0 297.3 353.1 10.08 9 573 4791 3.6 0.7 81 2.9 2.0 171 5 324.5 325.9 296.1 347.5 7.05 10 530 5423 0.0 -1.8 88 1.8 -1.0 199 6 327.5 328.8 296.3 348.5 6.34 11 516 5638 -1.1 -4.1 80 3.0 -2.7 209 7 328.7 329.8 296.0 347.0 5.48 12 509 5747 -0.7 -6.7 64 6.0 -3.7 214 7 330.5 331.4 295.7 345.9 4.55 13 500 5890 -1.5 -6.5 69 5.0 -4.0 220 7 331.2 332.2 296.0 347.1 4.71 14 486 6116 -2.5 -11.5 50 9.0 -6.5 210 7 332.7 333.3 295.3 343.9 3.27 15 427 7128 -9.5 -15.5 62 6.0 -11.9 167 7 336.3 336.8 295.7 345.7 2.68 16 400 7630 -12.3 -22.3 43 10.0 -15.5 145 7 339.0 339.3 295.5 344.8 1.60 17 371 8202 -15.9 -29.9 29 14.0 -19.4 136 11 341.6 341.8 295.5 344.9 0.86 18 345 8745 -20.1 -28.1 49 8.0 -22.1 127 14 343.1 343.3 296.0 347.2 1.10 19 325 9186 -22.7 -28.7 58 6.0 -24.1 120 17 345.4 345.6 296.5 349.6 1.10 20 318 9345 -23.3 -36.3 29 13.0 -25.7 117 18 346.7 346.8 296.4 348.8 0.54 21 300 9770 -25.9 -42.9 19 17.0 -28.3 110 21 348.9 348.9 296.7 350.1 0.29 22 296 9867 -26.5 -44.5 17 18.0 -28.9 108 20 349.4 349.4 296.7 350.4 0.25 23 272 10470 -31.3 -40.3 41 9.0 -32.6 97 17 351.0 351.1 297.2 352.7 0.42 24 250 11060 -36.1 -46.1 35 10.0 -37.1 85 13 352.4 352.4 297.4 353.4 0.24 25 212 12184 -45.5 -56.5 28 11.0 -46.0 85 9 354.8 354.8 297.7 355.1 0.09 26 200 12570 -49.1 -56.1 44 7.0 -49.4 85 7 355.0 355.0 297.8 355.4 0.10 27 179 13286 -55.5 -57.2 81 1.7 -55.6 89 18 356.0 356.0 298.0 356.4 0.09 28 178 13322 -55.9 -58.3 74 2.4 -56.0 89 18 355.9 355.9 298.0 356.3 0.08 29 174 13466 -56.9 -61.7 54 4.8 -57.0 90 21 356.6 356.6 298.1 356.8 0.05 30 170 13613 -58.1 -59.9 80 1.8 -58.2 91 23 357.0 357.0 298.1 357.3 0.07 31 162 13915 -59.9 -65.9 45 6.0 -60.0 92 28 358.9 358.9 298.5 359.0 0.03 32 157 14109 -61.7 -65.5 60 3.8 -61.7 93 31 359.1 359.1 298.5 359.2 0.04 33 150 14390 -63.7 -68.5 52 4.8 -63.8 95 35 360.3 360.4 298.8 360.5 0.03 34 112 16123 -77.3 -82.3 44 5.0 -77.3 102 46 366.3 366.3 299.9 366.3 0.00 35 106 16438 -78.9 -84.9 37 6.0 -78.9 104 48 369.1 369.1 300.4 369.1 0.00 36 100 16770 -77.9 -85.9 26 8.0 -77.9 105 50 377.2 377.2 301.8 377.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5893.00 m Freezing level: 530.00 mb = 5422.62 m = 17790.52 ft Wetbulb zero: 544.33 mb = 5206.51 m = 17081.53 ft Precipitable water: 2.50 inches Sfc-500 mean rel hum: 72.39 % Est. max temperature: 38.49 C = 101.28 F Sfc-Lift cond lev (LCL): 852.94 mb = 1417.36 m = 4650.09 ft T: 24.59 C 700-500 lapse rate: 5.75 C/km ThetaE index: 4.30 C Layer 828.0- 645.0 mb Conv cond level (CCL): 721.38 mb = 2864.98 m = 9399.41 ft Mean mixing ratio: 15.91 g/kg Conv temperature: 44.07 C = 111.33 F Cap Strength: 4.13 C Lifted Index: -0.76 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.90 C Lifted Index @700 mb: 2.13 C Showalter Index: -1.05 C Risk: Thunderstorms probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 18.90 C K Index: 39.30 Risk: > 80 % chance of thunderstorms Sweat Index: 229.80 Risk: None Energy Index: -1.95 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 392.83 J/kg Max Up Vert Vel: 28.03 m/s Conv Inhibition (B-): 281.82 J/kg Cap Strength: 4.13 C Lift Cond Lev (LCL): 818.01 mb = 1782.38 m = 5847.64 ft Lev Free Conv (LFC): 613.01 mb = 4233.77 m = 13890.15 ft Equ Level (EL): 173.01 mb = 13502.03 m = 44297.46 ft B at Equ Level: 386.87 J/kg Max Parcel Lev (MPL): 113.01 mb = 16070.05 m = 52722.64 ft Wind level data Storm motion: 298 at 5 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 ---------------------------------------------------------- 0 999 6 250 1 0.9 0.3 | 128 4 -3.4 2.7 1 925 699 280 19 18.7 -3.3 | 274 14 14.4 -1.0 2 850 1448 325 7 4.0 -5.7 | 5 3 -0.3 -3.4 3 700 3124 100 3 -3.0 0.5 | 111 8 -7.3 2.8 4 500 5890 220 7 4.5 5.4 | 181 8 0.2 7.7 5 400 7630 145 7 -4.0 5.7 | 134 12 -8.3 8.1 6 300 9770 110 21 -19.7 7.2 | 112 26 -24.1 9.5 7 250 11060 85 13 -13.0 -1.1 | 94 17 -17.3 1.2 8 200 12570 85 7 -7.0 -0.6 | 99 11 -11.3 1.7 9 150 14390 95 35 -34.9 3.1 | 98 40 -39.2 5.4 10 100 16770 105 50 -48.3 12.9 | 106 55 -52.6 15.3 Wind Parameters Mean winds (0-6000m): 268.3 at 6.5 knts Storm direction: 298.3 at 4.9 knts Shear (0-3000m) pos: 0.7 neg: 0.0 tot: 0.7 10-3/s Storm rel Dir Shear (0-3000m): -21.1 deg Storm rel helicity (0-3000m) pos: 67.6 neg: 0.0 tot: 67.6 m^2/s^2 ave: 22.5 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 6.2 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 1029.26 Bulk Shear: 0.38 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 ------------------------------------------------------------------------------- 500 280 7 252 3| 13.4 0.0 13.4| 14.0 0.0 14.0 27.9 0.79| 13.9 11.0 1000 282 12 272 7| 6.9 0.0 6.9| 39.5 0.0 39.5 39.5 0.72| 13.5 9.7 1500 287 11 279 7| 2.3 0.0 2.3| 50.0 0.0 50.0 33.4 0.73| 12.1 8.9 2000 295 10 292 5| 1.6 0.0 1.6| 55.0 0.0 55.0 27.5 0.74| 10.3 7.6 2500 300 9 302 4| 1.1 0.0 1.1| 61.4 0.0 61.4 24.5 0.76| 9.0 6.8 3000 299 8 301 3| 0.7 0.0 0.7| 67.6 0.0 67.6 22.5 0.77| 8.0 6.2 4000 298 7 298 2| 0.6 0.0 0.6| 74.3 0.0 74.3 18.6 0.78| 6.4 5.0 5000 282 7 246 2| 0.6 0.0 0.6| 84.0 0.0 84.0 16.8 0.80| 5.6 4.4 6000 268 7 221 3| 0.5 0.0 0.5| 93.3 -0.9 92.5 15.4 0.80| 5.0 4.0 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250602.00.gif