UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060512.upa.cvt Date: 1200Z 5 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 5 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 30.6 25.6 75 5.0 26.8 145 1 303.4 307.3 299.8 366.0 21.01 1 1000 43 30.2 25.2 75 5.0 26.4 145 3 303.4 307.2 299.6 364.6 20.58 2 959 417 26.8 23.1 80 3.7 24.1 153 6 303.6 307.1 298.7 359.7 18.87 3 925 737 25.0 23.2 90 1.8 23.7 160 9 304.9 308.5 299.4 363.9 19.71 4 850 1479 21.4 16.4 73 5.0 17.9 155 5 308.6 311.2 296.8 350.8 13.94 5 783 2187 16.8 15.3 91 1.5 15.8 185 6 311.0 313.6 297.5 354.1 14.11 6 700 3138 12.4 8.5 77 3.9 9.9 225 7 316.2 318.1 296.1 347.6 10.01 7 688 3284 11.8 8.1 78 3.7 9.5 225 7 317.1 319.0 296.3 348.3 9.91 8 542 5250 1.2 -3.4 71 4.6 -1.2 221 12 326.9 328.0 295.6 345.1 5.50 9 517 5631 0.6 -7.4 55 8.0 -3.3 220 12 330.6 331.4 295.5 345.0 4.25 10 515 5662 0.8 -7.2 55 8.0 -3.1 220 12 331.2 332.1 295.7 345.9 4.33 11 500 5900 -0.9 -8.9 55 8.0 -4.7 220 13 331.9 332.7 295.6 345.3 3.90 12 497 5948 -1.3 -8.3 59 7.0 -4.7 220 13 332.0 332.9 295.7 346.1 4.12 13 478 6257 -2.9 -18.9 28 16.0 -8.8 218 12 333.8 334.1 294.4 340.2 1.80 14 448 6766 -6.9 -13.9 57 7.0 -9.8 215 10 335.0 335.6 295.6 345.2 2.92 15 400 7640 -11.9 -15.4 75 3.5 -13.3 210 7 339.5 340.1 296.6 349.8 2.89 16 399 7659 -11.9 -15.2 76 3.3 -13.2 210 7 339.8 340.4 296.7 350.2 2.94 17 380 8032 -14.1 -18.7 68 4.6 -15.7 202 8 341.6 342.1 296.6 350.0 2.30 18 373 8173 -14.5 -25.5 39 11.0 -17.7 199 8 342.9 343.2 296.1 347.7 1.29 19 365 8337 -15.7 -21.7 60 6.0 -17.7 196 8 343.5 343.8 296.7 350.2 1.85 20 364 8358 -15.5 -23.5 50 8.0 -18.0 195 8 344.0 344.3 296.6 349.9 1.58 21 345 8761 -18.1 -32.1 28 14.0 -21.4 187 9 345.8 345.9 296.3 348.7 0.75 22 335 8981 -20.1 -23.3 76 3.2 -21.1 182 9 346.0 346.3 297.1 352.5 1.75 23 322 9273 -22.5 -24.1 87 1.6 -22.9 176 10 346.6 347.0 297.3 352.9 1.69 24 300 9790 -25.9 -29.5 72 3.6 -26.7 165 11 348.9 349.1 297.3 353.1 1.11 25 271 10516 -30.9 -38.9 45 8.0 -32.1 73 5 351.9 352.0 297.5 353.9 0.49 26 250 11080 -35.5 -42.5 49 7.0 -36.3 0 0 353.3 353.4 297.7 354.8 0.36 27 242 11305 -37.3 -46.3 39 9.0 -38.2 15 3 353.9 353.9 297.7 354.9 0.25 28 234 11536 -39.7 -45.7 53 6.0 -40.2 30 6 353.7 353.7 297.7 354.8 0.27 29 231 11624 -40.1 -54.1 21 14.0 -41.0 35 7 354.4 354.4 297.7 354.8 0.11 30 200 12590 -48.3 -61.3 21 13.0 -48.8 100 21 356.3 356.3 298.0 356.5 0.05 31 175 13456 -56.1 -65.1 31 9.0 -56.3 105 25 357.3 357.3 298.2 357.5 0.03 32 157 14139 -61.5 -74.5 16 13.0 -61.6 108 28 359.4 359.4 298.6 359.5 0.01 33 150 14420 -64.1 -74.1 24 10.0 -64.2 110 29 359.7 359.7 298.7 359.7 0.01 34 148 14502 -64.9 -73.9 28 9.0 -65.0 110 29 359.7 359.7 298.7 359.7 0.01 35 129 15323 -71.5 -76.3 49 4.8 -71.5 110 32 362.2 362.2 299.1 362.3 0.01 36 104 16568 -78.9 -85.9 31 7.0 -78.9 110 35 371.1 371.1 300.8 371.1 0.00 37 100 16790 -79.3 -86.3 31 7.0 -79.3 110 36 374.5 374.5 301.4 374.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5857.00 m Freezing level: 507.94 mb = 5774.14 m = 18943.80 ft Wetbulb zero: 558.58 mb = 5001.46 m = 16408.81 ft Precipitable water: 2.62 inches Sfc-500 mean rel hum: 76.91 % Est. max temperature: 35.56 C = 96.01 F Sfc-Lift cond lev (LCL): 934.48 mb = 646.64 m = 2121.48 ft T: 25.51 C 700-500 lapse rate: 4.82 C/km ThetaE index: 13.10 C Layer 850.0- 783.0 mb Conv cond level (CCL): 856.74 mb = 1409.71 m = 4624.98 ft Mean mixing ratio: 19.42 g/kg Conv temperature: 35.42 C = 95.75 F Cap Strength: 1.49 C Lifted Index: -1.92 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.68 C Lifted Index @700 mb: -1.27 C Showalter Index: 1.78 C Risk: Showers probable Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 17.30 C K Index: 34.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 219.80 Risk: None Energy Index: -1.06 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1324.09 J/kg Max Up Vert Vel: 51.46 m/s Conv Inhibition (B-): 35.43 J/kg Cap Strength: 1.49 C Lift Cond Lev (LCL): 908.24 mb = 897.44 m = 2944.33 ft Lev Free Conv (LFC): 813.24 mb = 1860.26 m = 6103.14 ft Equ Level (EL): 123.24 mb = 15587.01 m = 51137.88 ft B at Equ Level: 1298.99 J/kg Wind level data Storm motion: 236 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 6 145 1 -0.6 0.8 | 65 6 -5.6 -2.6 1 1000 43 145 3 -1.7 2.5 | 82 7 -6.8 -1.0 2 925 737 160 9 -3.1 8.5 | 122 10 -8.1 5.0 3 850 1479 155 5 -2.1 4.5 | 99 7 -7.2 1.1 4 700 3138 225 7 4.9 4.9 | 177 2 -0.1 1.5 5 500 5900 220 13 8.4 10.0 | 207 7 3.3 6.6 6 400 7640 210 7 3.5 6.1 | 150 3 -1.5 2.7 7 300 9790 165 11 -2.8 10.6 | 132 11 -7.9 7.2 8 250 11080 0 0 -0.0 -0.0 | 56 6 -5.0 -3.4 9 200 12590 100 21 -20.7 3.6 | 91 26 -25.7 0.2 10 150 14420 110 29 -27.3 9.9 | 101 33 -32.3 6.5 11 100 16790 110 36 -33.8 12.3 | 103 40 -38.9 8.9 Wind Parameters Mean winds (0-6000m): 205.9 at 8.1 knts Storm direction: 235.9 at 6.1 knts Shear (0-3000m) pos: 1.4 neg: 0.4 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 94.4 deg Storm rel helicity (0-3000m) pos: 20.0 neg: -6.5 tot: 13.5 m^2/s^2 ave: 4.5 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 1.5 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 231.59 Bulk Shear: 5.72 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 ------------------------------------------------------------------------------- 500 152 5 96 7| 6.2 0.0 6.2| 10.7 0.0 10.7 21.4 0.92| 6.3 5.8 1000 157 6 109 8| 3.4 0.0 3.4| 14.5 -2.1 12.3 12.3 0.69| 4.7 3.3 1500 157 6 108 8| 2.3 0.9 3.1| 14.5 -6.5 8.0 5.3 0.36| 4.0 1.5 2000 159 6 108 8| 1.9 0.6 2.5| 17.0 -6.5 10.5 5.3 0.42| 3.5 1.5 2500 165 6 111 7| 1.6 0.5 2.1| 18.8 -6.5 12.3 4.9 0.45| 3.3 1.5 3000 173 6 115 6| 1.4 0.4 1.8| 20.0 -6.5 13.5 4.5 0.47| 3.2 1.5 4000 189 7 127 5| 1.1 0.3 1.4| 20.7 -6.5 14.3 3.6 0.48| 2.7 1.3 5000 200 7 143 4| 0.9 0.3 1.2| 21.2 -6.5 14.7 2.9 0.45| 2.4 1.1 6000 206 8 159 4| 0.8 0.3 1.1| 21.4 -6.9 14.6 2.4 0.41| 2.2 0.9 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250605.12.gif