UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070100.upa.cvt Date: 0000Z 1 JUL 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 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 1003 6 25.4 24.0 92 1.4 24.4 145 1 298.3 301.8 297.4 353.8 19.05 1 1000 34 25.2 24.0 93 1.2 24.3 145 1 298.4 301.8 297.5 354.0 19.11 2 980 212 23.8 23.3 97 0.5 23.5 155 5 298.7 302.1 297.3 353.1 18.69 3 970 302 25.2 22.1 83 3.1 23.0 161 7 301.0 304.2 297.2 352.5 17.52 4 925 721 24.2 20.2 78 4.0 21.3 185 17 304.1 307.1 297.2 352.6 16.32 5 918 788 24.2 19.7 76 4.5 21.0 188 16 304.7 307.7 297.1 352.3 15.93 6 850 1460 19.8 18.1 90 1.7 18.6 220 9 306.9 309.8 297.4 353.7 15.56 7 700 3111 9.8 9.8 100 0.0 9.8 160 7 313.3 315.4 296.0 347.2 10.94 8 680 3352 9.0 8.3 95 0.7 8.6 159 8 315.1 317.0 295.9 346.7 10.17 9 677 3389 11.6 4.6 62 7.0 7.4 159 8 318.4 319.9 295.1 343.4 7.88 10 578 4690 1.8 1.3 96 0.5 1.5 151 10 321.6 323.0 295.6 345.1 7.30 11 500 5850 -3.3 -3.8 96 0.5 -3.6 145 13 329.0 330.2 296.3 348.3 5.79 12 460 6507 -6.3 -6.5 98 0.2 -6.4 124 13 333.2 334.2 296.8 350.6 5.12 13 415 7307 -10.3 -11.5 91 1.2 -10.8 99 13 338.0 338.8 297.0 351.4 3.83 14 400 7590 -12.1 -12.8 95 0.7 -12.4 90 13 339.3 340.0 297.0 351.8 3.58 15 300 9740 -26.3 -28.6 81 2.3 -26.8 80 15 348.3 348.6 297.3 352.9 1.20 16 282 10184 -29.3 -32.6 73 3.3 -29.9 77 16 350.2 350.4 297.4 353.6 0.88 17 269 10518 -32.3 -32.8 95 0.5 -32.4 74 17 350.6 350.8 297.5 354.1 0.90 18 263 10677 -33.5 -34.4 92 0.9 -33.7 73 18 351.1 351.3 297.5 354.2 0.79 19 260 10757 -34.1 -39.1 61 5.0 -34.8 72 18 351.4 351.5 297.4 353.4 0.50 20 250 11030 -36.5 -39.7 72 3.2 -36.9 70 19 351.8 351.9 297.4 353.8 0.49 21 246 11141 -37.5 -39.5 82 2.0 -37.8 69 20 351.9 352.0 297.5 354.0 0.50 22 233 11512 -40.3 -45.0 61 4.7 -40.8 67 23 353.2 353.3 297.5 354.4 0.30 23 225 11749 -42.3 -49.3 46 7.0 -42.8 65 26 353.7 353.7 297.6 354.5 0.19 24 210 12209 -46.7 -49.1 76 2.4 -46.9 62 30 353.8 353.9 297.7 354.7 0.21 25 200 12530 -49.5 -52.1 74 2.6 -49.6 60 33 354.4 354.4 297.7 355.0 0.15 26 187 12968 -53.3 -58.3 54 5.0 -53.5 59 34 355.1 355.1 297.8 355.5 0.08 27 168 13650 -59.7 -64.6 53 4.9 -59.8 57 36 355.5 355.5 297.8 355.7 0.04 28 150 14350 -65.9 -70.2 55 4.3 -66.0 55 38 356.6 356.6 298.0 356.6 0.02 29 139 14808 -69.9 -75.9 41 6.0 -69.9 54 37 357.4 357.4 298.2 357.4 0.01 30 113 16008 -80.3 -84.0 54 3.7 -80.3 50 35 359.8 359.8 298.7 359.8 0.00 31 100 16700 -79.5 -83.7 50 4.2 -79.5 65 54 374.1 374.1 301.3 374.1 0.00 TRP 113 16008 -80.3 -84.0 54 3.7 -80.3 50 35 359.8 359.8 298.7 359.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5816.00 m Freezing level: 550.47 mb = 5099.10 m = 16729.14 ft Wetbulb zero: 554.70 mb = 5018.88 m = 16465.95 ft Precipitable water: 2.69 inches Sfc-500 mean rel hum: 89.14 % Est. max temperature: 33.90 C = 93.02 F Sfc-Lift cond lev (LCL): 983.22 mb = 183.09 m = 600.68 ft T: 24.03 C 700-500 lapse rate: 4.78 C/km ThetaE index: 10.37 C Layer 700.0- 578.0 mb Conv cond level (CCL): 848.54 mb = 1474.67 m = 4838.08 ft Mean mixing ratio: 17.26 g/kg Conv temperature: 34.06 C = 93.31 F Cap Strength: 2.94 C Lifted Index: -1.36 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.52 C Lifted Index @700 mb: -1.59 C Showalter Index: -1.62 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.40 C K Index: 41.20 Risk: > 80 % chance of thunderstorms Sweat Index: 248.20 Risk: None Energy Index: -1.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 216.54 J/kg Max Up Vert Vel: 20.81 m/s Conv Inhibition (B-): 80.44 J/kg Cap Strength: 2.94 C Lift Cond Lev (LCL): 912.45 mb = 840.81 m = 2758.52 ft Lev Free Conv (LFC): 767.45 mb = 2328.73 m = 7640.08 ft Equ Level (EL): 677.45 mb = 3383.18 m = 11099.55 ft B at Equ Level: 63.82 J/kg Max Parcel Lev (MPL): 167.45 mb = 13670.05 m = 44848.71 ft Wind level data Storm motion: 199 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 6 145 1 -0.6 0.8 | 26 7 -3.0 -6.1 1 1000 34 145 1 -0.6 0.8 | 26 7 -3.0 -6.1 2 925 721 185 17 1.5 16.9 | 175 10 -1.0 10.0 3 850 1460 220 9 5.8 6.9 | 270 3 3.3 0.0 4 700 3111 160 7 -2.4 6.6 | 86 5 -4.8 -0.3 5 500 5850 145 13 -7.5 10.6 | 111 11 -9.9 3.8 6 400 7590 90 13 -13.0 0.0 | 66 17 -15.4 -6.9 7 300 9740 80 15 -14.8 -2.6 | 61 20 -17.2 -9.5 8 250 11030 70 19 -17.9 -6.5 | 57 24 -20.3 -13.4 9 200 12530 60 33 -28.6 -16.5 | 53 39 -31.0 -23.4 10 150 14350 55 38 -31.1 -21.8 | 49 44 -33.6 -28.7 11 113 16008 50 35 -26.8 -22.5 | 45 41 -29.2 -29.4 12 100 16700 65 54 -48.9 -22.8 | 60 59 -51.4 -29.7 Wind Parameters Mean winds (0-6000m): 169.5 at 9.7 knts Storm direction: 199.5 at 7.3 knts Shear (0-3000m) pos: 1.5 neg: 1.3 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 63.1 deg Storm rel helicity (0-3000m) pos: 38.7 neg: -2.7 tot: 36.0 m^2/s^2 ave: 12.0 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 3.3 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 130.60 Bulk Shear: 1.66 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 ------------------------------------------------------------------------------- 500 170 6 77 4| 11.4 0.0 11.4| 15.4 0.0 15.4 30.7 0.94| 11.9 11.3 1000 186 11 161 4| 6.9 0.0 6.9| 32.2 0.0 32.2 32.2 0.86| 11.3 9.7 1500 192 11 177 4| 3.0 0.0 3.0| 38.7 0.0 38.7 25.8 0.85| 9.8 8.3 2000 196 10 186 3| 2.2 0.7 3.0| 38.7 -0.9 37.8 18.9 0.72| 8.0 5.8 2500 195 10 183 3| 1.8 1.1 2.9| 38.7 -1.6 37.1 14.8 0.60| 7.0 4.2 3000 193 9 172 2| 1.5 1.3 2.8| 38.7 -2.7 36.0 12.0 0.53| 6.2 3.3 4000 186 9 144 3| 1.1 1.2 2.3| 40.7 -3.0 37.7 9.4 0.52| 5.0 2.6 5000 177 9 129 4| 0.9 1.2 2.1| 42.5 -3.0 39.5 7.9 0.51| 4.2 2.2 6000 169 10 123 5| 0.7 1.2 2.0| 43.3 -5.6 37.7 6.3 0.46| 3.8 1.8 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250701.00.gif