UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070112.upa.cvt Date: 1200Z 1 JUL 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 1 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 1004 6 28.2 23.9 78 4.3 25.0 130 1 301.0 304.5 298.0 356.7 18.92 1 1000 38 27.8 23.8 79 4.0 24.9 130 3 301.0 304.4 298.0 356.5 18.88 2 959 409 24.4 22.5 89 1.9 23.0 157 7 301.1 304.5 297.6 354.7 18.18 3 925 727 23.6 20.7 84 2.9 21.5 180 11 303.4 306.6 297.4 353.5 16.84 4 850 1462 18.6 18.6 100 0.0 18.6 190 9 305.6 308.6 297.4 353.8 16.07 5 844 1523 18.4 18.4 100 0.0 18.4 190 9 306.0 309.0 297.5 354.0 15.98 6 722 2852 11.8 11.7 99 0.1 11.7 186 6 312.8 315.1 296.6 350.0 12.06 7 700 3112 10.6 10.6 100 0.0 10.6 185 5 314.2 316.4 296.7 350.1 11.55 8 677 3391 9.4 8.8 96 0.6 9.0 183 5 315.9 317.9 296.4 348.9 10.57 9 671 3465 10.2 7.0 81 3.2 8.2 182 6 317.6 319.4 296.0 347.3 9.42 10 639 3871 7.8 4.2 78 3.6 5.6 180 6 319.3 320.9 295.6 345.2 8.12 11 550 5096 0.6 0.6 100 0.0 0.6 171 8 324.8 326.2 296.3 348.6 7.29 12 500 5860 -2.5 -4.5 86 2.0 -3.6 165 9 330.0 331.1 296.3 348.4 5.49 13 467 6400 -4.5 -9.3 69 4.8 -6.8 154 10 334.0 334.8 296.2 347.9 4.05 14 412 7374 -12.3 -12.5 98 0.2 -12.4 135 11 336.1 336.9 296.3 348.5 3.56 15 405 7505 -11.9 -14.4 82 2.5 -12.9 132 11 338.3 339.0 296.5 349.2 3.10 16 400 7600 -12.3 -14.4 84 2.1 -13.2 130 11 339.0 339.6 296.7 350.1 3.14 17 378 8029 -15.5 -15.6 99 0.1 -15.6 120 12 340.3 340.9 296.8 351.0 3.01 18 333 8977 -19.9 -24.9 64 5.0 -21.3 98 15 346.8 347.2 297.2 352.6 1.52 19 314 9409 -23.9 -27.1 75 3.2 -24.7 88 16 347.1 347.4 297.1 352.1 1.32 20 309 9526 -24.7 -26.8 83 2.1 -25.2 85 16 347.6 347.9 297.3 352.8 1.38 21 300 9740 -26.3 -28.6 81 2.3 -26.8 80 17 348.3 348.6 297.3 352.9 1.20 22 262 10703 -33.7 -37.4 69 3.7 -34.3 73 24 351.2 351.3 297.4 353.6 0.59 23 250 11030 -36.5 -43.5 48 7.0 -37.2 70 27 351.8 351.9 297.3 353.1 0.33 24 248 11086 -37.1 -46.1 39 9.0 -37.9 69 27 351.7 351.8 297.2 352.7 0.25 25 243 11227 -37.9 -42.3 63 4.4 -38.4 67 27 352.6 352.7 297.5 354.1 0.38 26 238 11370 -38.9 -54.9 17 16.0 -39.9 66 27 353.2 353.2 297.4 353.6 0.09 27 229 11634 -40.9 -57.9 14 17.0 -41.8 62 28 354.0 354.0 297.5 354.3 0.07 28 228 11663 -41.1 -49.1 42 8.0 -41.7 62 28 354.2 354.2 297.7 355.0 0.19 29 223 11814 -42.5 -55.5 23 13.0 -43.2 60 28 354.3 354.3 297.6 354.7 0.09 30 214 12091 -45.1 -49.5 61 4.4 -45.4 56 28 354.4 354.5 297.7 355.3 0.20 31 200 12540 -48.9 -53.7 57 4.8 -49.1 50 29 355.3 355.4 297.9 355.9 0.13 32 193 12773 -51.1 -53.9 72 2.8 -51.2 49 29 355.5 355.5 297.9 356.0 0.13 33 174 13438 -56.7 -62.7 47 6.0 -56.8 45 29 356.9 356.9 298.1 357.1 0.05 34 154 14199 -63.9 -67.3 63 3.4 -64.0 41 29 357.3 357.3 298.2 357.4 0.03 35 150 14360 -65.1 -68.4 63 3.3 -65.1 40 29 357.9 357.9 298.3 358.1 0.03 36 113 16025 -79.1 -83.7 47 4.6 -79.1 50 42 362.0 362.0 299.1 362.0 0.00 37 100 16720 -78.7 -82.9 50 4.2 -78.7 70 42 375.7 375.7 301.5 375.7 0.00 TRP 113 16025 -79.1 -83.7 47 4.6 -79.1 50 42 362.0 362.0 299.1 362.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5822.00 m Freezing level: 540.32 mb = 5244.16 m = 17205.05 ft Wetbulb zero: 542.72 mb = 5203.12 m = 17070.40 ft Precipitable water: 2.76 inches Sfc-500 mean rel hum: 92.12 % Est. max temperature: 32.71 C = 90.88 F Sfc-Lift cond lev (LCL): 943.64 mb = 551.41 m = 1809.06 ft T: 24.04 C 700-500 lapse rate: 4.77 C/km ThetaE index: 4.01 C Layer 722.0- 700.0 mb Conv cond level (CCL): 882.81 mb = 1132.76 m = 3716.38 ft Mean mixing ratio: 17.80 g/kg Conv temperature: 31.86 C = 89.34 F Cap Strength: 1.58 C Lifted Index: -1.17 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.42 C Lifted Index @700 mb: -1.26 C Showalter Index: -0.82 C Risk: Thunderstorms probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 21.10 C K Index: 39.70 Risk: > 80 % chance of thunderstorms Sweat Index: 250.20 Risk: None Energy Index: -1.15 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 324.44 J/kg Max Up Vert Vel: 25.47 m/s Conv Inhibition (B-): 20.90 J/kg Cap Strength: 1.58 C Lift Cond Lev (LCL): 916.65 mb = 805.79 m = 2643.65 ft Lev Free Conv (LFC): 851.65 mb = 1445.11 m = 4741.12 ft Equ Level (EL): 331.65 mb = 9006.60 m = 29548.86 ft B at Equ Level: 300.93 J/kg Max Parcel Lev (MPL): 121.65 mb = 15591.62 m = 51153.00 ft Wind level data Storm motion: 208 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 1004 6 130 1 -0.8 0.6 | 38 5 -3.3 -4.3 1 1000 38 130 3 -2.3 1.9 | 59 6 -4.9 -3.0 2 925 727 180 11 0.0 11.0 | 157 7 -2.6 6.1 3 850 1462 190 9 1.6 8.9 | 166 4 -1.0 4.0 4 700 3112 185 5 0.4 5.0 | 92 2 -2.1 0.1 5 500 5860 165 9 -2.3 8.7 | 128 6 -4.9 3.8 6 400 7600 130 11 -8.4 7.1 | 101 11 -11.0 2.2 7 300 9740 80 17 -16.7 -3.0 | 68 21 -19.3 -7.8 8 250 11030 70 27 -25.4 -9.2 | 63 31 -28.0 -14.1 9 200 12540 50 29 -22.2 -18.6 | 46 34 -24.8 -23.5 10 150 14360 40 29 -18.6 -22.2 | 38 34 -21.2 -27.1 11 113 16025 50 42 -32.2 -27.0 | 47 47 -34.8 -31.9 12 100 16720 70 42 -39.5 -14.4 | 65 46 -42.0 -19.3 Wind Parameters Mean winds (0-6000m): 177.8 at 7.4 knts Storm direction: 207.8 at 5.5 knts Shear (0-3000m) pos: 1.4 neg: 0.6 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 61.0 deg Storm rel helicity (0-3000m) pos: 19.4 neg: -2.2 tot: 17.2 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 1.7 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 240.07 Bulk Shear: 1.35 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 ------------------------------------------------------------------------------- 500 155 5 90 5| 7.8 0.0 7.8| 12.4 0.0 12.4 24.8 1.00| 8.7 8.7 1000 174 8 131 4| 5.0 0.0 5.0| 18.9 0.0 18.9 18.9 0.95| 6.7 6.4 1500 179 8 142 4| 2.9 0.0 2.9| 19.4 -0.0 19.4 12.9 0.87| 5.1 4.4 2000 182 8 146 4| 2.2 0.3 2.5| 19.4 -0.8 18.6 9.3 0.75| 4.1 3.1 2500 183 8 146 4| 1.7 0.5 2.2| 19.4 -1.5 17.9 7.2 0.64| 3.5 2.3 3000 183 8 143 4| 1.4 0.6 2.1| 19.4 -2.2 17.2 5.7 0.53| 3.2 1.7 4000 183 7 137 3| 1.1 0.4 1.5| 20.1 -2.3 17.8 4.5 0.53| 2.6 1.4 5000 181 7 133 3| 0.9 0.3 1.2| 20.7 -2.3 18.4 3.7 0.52| 2.2 1.2 6000 178 7 131 4| 0.7 0.4 1.1| 20.9 -2.8 18.1 3.0 0.47| 2.0 1.0 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250701.12.gif