UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062912.upa.cvt Date: 1200Z 29 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 29 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 0 145 3 SFC 999 6 30.2 26.3 80 3.9 27.3 145 3 303.4 307.5 300.4 369.2 22.04 2 925 694 24.8 23.6 93 1.2 23.9 160 13 304.7 308.4 299.7 365.2 20.21 3 894 994 22.6 21.5 94 1.1 21.8 182 11 305.4 308.8 298.8 360.4 18.35 4 850 1434 21.0 18.7 87 2.3 19.4 215 7 308.1 311.2 298.1 357.1 16.17 5 811 1841 19.4 15.5 78 3.9 16.7 228 8 310.6 313.2 297.2 352.7 13.79 6 809 1862 19.6 14.9 74 4.7 16.4 229 8 311.0 313.6 297.0 351.7 13.29 7 713 2940 12.4 10.6 89 1.8 11.2 265 11 314.6 316.7 296.6 349.8 11.34 8 700 3095 11.8 9.5 86 2.3 10.3 270 11 315.6 317.6 296.4 349.0 10.72 9 613 4194 6.0 5.2 95 0.8 5.5 300 8 321.1 322.9 296.7 350.2 9.10 10 500 5840 -2.1 -4.3 85 2.2 -3.3 345 3 330.5 331.6 296.4 349.2 5.57 11 489 6018 -2.9 -5.7 81 2.8 -4.3 347 3 331.6 332.6 296.4 348.9 5.12 12 486 6067 -2.7 -6.4 76 3.7 -4.6 348 3 332.4 333.4 296.4 349.0 4.88 13 439 6869 -9.1 -9.1 100 0.0 -9.1 360 3 334.1 335.0 296.4 349.2 4.38 14 413 7343 -10.5 -13.2 81 2.7 -11.6 6 3 338.2 338.9 296.6 350.0 3.35 15 400 7590 -11.5 -16.0 69 4.5 -13.3 10 3 340.0 340.6 296.6 349.8 2.75 16 395 7686 -11.5 -16.5 66 5.0 -13.5 15 3 341.3 341.8 296.8 350.8 2.67 17 375 8080 -14.7 -17.2 81 2.5 -15.6 36 4 342.1 342.7 297.0 351.7 2.65 18 343 8748 -17.7 -24.7 54 7.0 -19.8 71 6 346.9 347.2 297.2 352.6 1.51 19 321 9238 -22.3 -26.1 71 3.8 -23.3 98 8 347.2 347.5 297.2 352.5 1.42 20 300 9730 -25.7 -29.4 71 3.7 -26.6 125 9 349.2 349.4 297.4 353.5 1.12 21 295 9852 -26.1 -34.1 47 8.0 -27.7 119 10 350.3 350.4 297.3 353.1 0.72 22 276 10332 -30.7 -36.7 56 6.0 -31.7 95 14 350.4 350.5 297.2 352.7 0.60 23 266 10594 -32.7 -36.8 67 4.1 -33.3 82 16 351.2 351.3 297.4 353.6 0.61 24 250 11030 -36.3 -45.3 39 9.0 -37.2 60 19 352.1 352.2 297.3 353.2 0.27 25 244 11197 -37.7 -42.4 61 4.7 -38.2 59 19 352.5 352.5 297.5 354.0 0.37 26 237 11397 -39.5 -45.5 53 6.0 -40.1 58 19 352.7 352.7 297.4 353.8 0.28 27 235 11454 -39.7 -56.7 15 17.0 -40.7 57 20 353.2 353.3 297.4 353.6 0.08 28 229 11630 -41.3 -53.3 26 12.0 -42.1 56 20 353.4 353.4 297.5 353.9 0.12 29 226 11719 -42.1 -46.7 61 4.6 -42.5 55 20 353.5 353.6 297.6 354.6 0.25 30 220 11900 -43.7 -54.7 29 11.0 -44.3 54 20 353.8 353.8 297.5 354.2 0.10 31 200 12530 -49.5 -54.1 58 4.6 -49.7 50 21 354.4 354.4 297.7 354.9 0.12 32 190 12865 -52.5 -56.4 63 3.9 -52.7 51 21 354.8 354.8 297.7 355.2 0.10 33 171 13539 -58.9 -63.3 57 4.4 -59.0 53 22 355.0 355.1 297.7 355.2 0.04 34 150 14350 -65.9 -70.3 54 4.4 -66.0 55 23 356.6 356.6 298.0 356.6 0.02 35 125 15431 -75.7 -79.2 58 3.5 -75.7 357.9 357.9 298.3 357.9 0.01 36 116 15861 -76.9 -79.7 64 2.8 -76.9 363.4 363.4 299.4 363.4 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5840.00 m Freezing level: 529.30 mb = 5413.35 m = 17760.12 ft Wetbulb zero: 541.93 mb = 5189.57 m = 17025.95 ft Precipitable water: 2.83 inches Sfc-500 mean rel hum: 87.54 % Est. max temperature: 34.97 C = 94.94 F Sfc-Lift cond lev (LCL): 944.84 mb = 504.32 m = 1654.58 ft T: 26.29 C 700-500 lapse rate: 5.06 C/km ThetaE index: 20.25 C Layer 925.0- 613.0 mb Conv cond level (CCL): 909.50 mb = 842.49 m = 2764.04 ft Mean mixing ratio: 20.66 g/kg Conv temperature: 31.79 C = 89.22 F Cap Strength: 0.48 C Lifted Index: -4.29 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.33 C Lifted Index @700 mb: -2.81 C Showalter Index: -1.53 C Risk: Thunderstorms probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 20.80 C K Index: 39.50 Risk: > 80 % chance of thunderstorms Sweat Index: 241.40 Risk: None Energy Index: -1.62 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2663.22 J/kg Max Up Vert Vel: 72.98 m/s Conv Inhibition (B-): 1.71 J/kg Cap Strength: 0.48 C Lift Cond Lev (LCL): 919.45 mb = 746.86 m = 2450.30 ft Lev Free Conv (LFC): 904.45 mb = 891.39 m = 2924.48 ft Wind level data Storm motion: 277 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 ---------------------------------------------------------- 0 999 6 145 3 -1.7 2.5 | 113 8 -7.6 3.2 1 925 694 160 13 -4.4 12.2 | 141 17 -10.3 13.0 2 850 1434 215 7 4.0 5.7 | 164 7 -1.9 6.5 3 700 3095 270 11 11.0 -0.0 | 262 5 5.1 0.8 4 500 5840 345 3 0.8 -2.9 | 67 6 -5.1 -2.1 5 400 7590 10 3 -0.5 -3.0 | 71 7 -6.4 -2.2 6 300 9730 125 9 -7.4 5.2 | 114 15 -13.3 5.9 7 250 11030 60 19 -16.5 -9.5 | 69 24 -22.3 -8.7 8 200 12530 50 21 -16.1 -13.5 | 60 25 -22.0 -12.7 9 150 14350 55 23 -18.8 -13.2 | 63 28 -24.7 -12.4 Wind Parameters Mean winds (0-6000m): 247.3 at 7.9 knts Storm direction: 277.3 at 5.9 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 142.1 deg Storm rel helicity (0-3000m) pos: 49.8 neg: 0.0 tot: 49.8 m^2/s^2 ave: 16.6 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 3.4 10^-3/s Energy-Hel index: 0.69 Bulk Rich Number: 187.80 Bulk Shear: 14.18 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 ------------------------------------------------------------------------------- 500 157 7 129 11| 7.6 0.0 7.6| 12.7 0.0 12.7 25.3 0.58| 7.6 4.4 1000 162 9 138 13| 4.3 0.0 4.3| 32.5 0.0 32.5 32.5 0.61| 7.9 4.8 1500 171 9 143 12| 2.4 0.0 2.4| 37.8 0.0 37.8 25.2 0.53| 7.4 3.9 2000 183 9 150 11| 2.3 0.0 2.3| 41.7 0.0 41.7 20.8 0.57| 6.2 3.5 2500 196 9 159 10| 2.2 0.0 2.2| 45.6 0.0 45.6 18.2 0.61| 5.6 3.4 3000 210 9 171 9| 2.2 0.0 2.2| 49.8 0.0 49.8 16.6 0.65| 5.2 3.4 4000 231 9 191 7| 1.4 0.0 1.4| 55.2 0.0 55.2 13.8 0.69| 4.6 3.2 5000 243 9 202 5| 0.9 0.0 0.9| 59.2 0.0 59.2 11.8 0.72| 4.1 3.0 6000 247 8 200 4| 0.5 0.0 0.5| 62.8 0.0 62.8 10.5 0.73| 3.7 2.7 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250629.12.gif