UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 2 DEC 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 1013 6 24.2 18.2 69 6.0 20.1 0 0 296.3 298.6 292.8 334.0 13.09 1 1009 41 25.6 16.6 58 9.0 19.5 2 0 298.0 300.1 292.4 332.4 11.85 2 1000 119 25.0 16.0 57 9.0 19.0 5 1 298.1 300.2 292.2 331.6 11.50 3 925 798 19.0 16.3 84 2.7 17.2 115 3 298.7 301.0 293.3 335.7 12.70 4 867 1351 14.2 14.0 99 0.2 14.1 192 6 299.3 301.4 292.6 333.4 11.67 5 858 1439 15.2 12.2 82 3.0 13.3 204 7 301.3 303.2 292.3 332.1 10.46 6 850 1519 14.6 11.9 84 2.7 12.9 215 7 301.4 303.3 292.3 332.0 10.35 7 840 1619 14.0 11.6 85 2.4 12.5 219 7 301.8 303.7 292.3 332.2 10.27 8 774 2310 15.8 -20.2 7 36.0 2.6 249 11 310.9 311.1 286.8 314.2 0.99 9 720 2921 13.8 -14.2 13 28.0 2.1 275 14 315.2 315.6 289.0 321.1 1.77 10 700 3157 12.0 -17.0 12 29.0 0.7 285 15 315.8 316.1 288.9 320.6 1.44 11 643 3859 6.6 -31.4 5 38.0 -4.0 286 17 317.4 317.5 288.4 319.0 0.43 12 594 4505 4.0 -30.0 6 34.0 -5.7 287 18 321.7 321.8 289.9 323.6 0.53 13 582 4671 5.0 -26.0 8 31.0 -5.0 288 18 324.7 324.9 291.0 327.5 0.79 14 561 4969 2.6 -15.4 25 18.0 -4.6 288 19 325.3 325.7 292.3 332.4 2.06 15 544 5217 1.4 -33.6 5 35.0 -7.8 289 19 326.8 326.9 291.2 328.3 0.41 16 529 5441 0.0 -16.0 29 16.0 -6.3 289 20 327.7 328.1 293.0 334.9 2.07 17 500 5890 -2.7 -32.7 8 30.0 -10.5 290 21 329.7 329.8 292.2 331.6 0.49 18 462 6512 -7.1 -43.1 4 36.0 -14.0 281 21 331.8 331.8 292.4 332.5 0.18 19 419 7267 -12.9 -38.9 9 26.0 -17.9 270 21 333.8 333.8 293.0 335.0 0.31 20 400 7620 -14.9 -42.9 7 28.0 -19.7 265 21 335.6 335.7 293.4 336.5 0.22 21 325 9157 -25.7 -51.7 7 26.0 -28.4 254 24 341.3 341.3 294.7 341.7 0.10 22 300 9730 -31.3 -51.3 12 20.0 -33.1 250 25 341.3 341.3 294.7 341.7 0.11 23 297 9801 -31.9 -51.9 12 20.0 -33.6 249 25 341.4 341.4 294.8 341.8 0.11 24 250 10990 -40.9 -59.9 11 19.0 -41.8 235 25 345.3 345.3 295.6 345.5 0.05 25 221 11818 -47.3 -66.3 10 19.0 -47.9 235 26 347.8 347.8 296.1 347.9 0.02 26 200 12470 -53.5 -68.5 14 15.0 -53.8 235 27 348.0 348.0 296.2 348.1 0.02 27 176 13280 -60.3 -71.3 22 11.0 -60.4 235 31 349.8 349.8 296.6 349.9 0.01 28 150 14260 -67.9 -74.9 36 7.0 -67.9 235 35 353.1 353.1 297.3 353.2 0.01 29 146 14422 -69.3 -76.3 35 7.0 -69.4 236 34 353.4 353.4 297.4 353.5 0.01 30 145 14462 -69.5 -76.5 35 7.0 -69.5 237 34 353.8 353.8 297.4 353.8 0.01 31 133 14974 -71.3 -83.3 15 12.0 -71.3 241 33 359.4 359.4 298.6 359.4 0.00 32 104 16390 -81.3 -89.3 25 8.0 -81.3 253 28 366.5 366.5 299.9 366.5 0.00 33 100 16610 -80.9 -89.9 21 9.0 -80.9 255 27 371.4 371.4 300.8 371.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 529.00 mb = 5441.35 m = 17851.97 ft Wetbulb zero: 691.92 mb = 3252.97 m = 10672.34 ft Precipitable water: 1.10 inches Sfc-500 mean rel hum: 33.48 % Est. max temperature: 28.14 C = 82.65 F Sfc-Lift cond lev (LCL): 927.87 mb = 771.05 m = 2529.65 ft T: 19.24 C 700-500 lapse rate: 5.38 C/km ThetaE index: 17.95 C Layer 774.0- 720.0 mb Conv cond level (CCL): 873.12 mb = 1290.94 m = 4235.32 ft Mean mixing ratio: 12.14 g/kg Conv temperature: 27.22 C = 81.00 F Cap Strength: 7.32 C Lifted Index: 6.77 C Risk: None Lifted Index @300 mb: 6.59 C Lifted Index @700 mb: 6.36 C Showalter Index: 7.59 C Risk: None Total Totals Index: 31.90 C Risk: None Vertical Totals Index: 17.30 C Cross Totals Index: 14.60 C K Index: 0.20 Risk: None Sweat Index: 177.80 Risk: None Energy Index: 0.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.34 J/kg Max Up Vert Vel: 2.16 m/s Conv Inhibition (B-): 5158.66 J/kg Cap Strength: 7.09 C Lift Cond Lev (LCL): 884.25 mb = 1182.77 m = 3880.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 9 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 1013 6 0 0 -0.0 -0.0 | 131 9 -7.2 6.2 1 1000 119 5 1 -0.1 -1.0 | 126 9 -7.2 5.2 2 925 798 115 3 -2.7 1.3 | 127 12 -9.9 7.4 3 850 1519 215 7 4.0 5.7 | 165 12 -3.1 11.9 4 700 3157 285 15 14.5 -3.9 | 253 8 7.3 2.3 5 500 5890 290 21 19.7 -7.2 | 275 13 12.6 -1.0 6 400 7620 265 21 20.9 1.8 | 240 16 13.8 8.0 7 300 9730 250 25 23.5 8.6 | 228 22 16.3 14.7 8 250 10990 235 25 20.5 14.3 | 213 24 13.3 20.5 9 200 12470 235 27 22.1 15.5 | 215 26 15.0 21.7 10 150 14260 235 35 28.7 20.1 | 219 34 21.5 26.2 11 100 16610 255 27 26.1 7.0 | 235 23 18.9 13.2 Wind Parameters Mean winds (0-6000m): 280.8 at 12.6 knts Storm direction: 310.8 at 9.4 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 109.0 deg Storm rel helicity (0-3000m) pos: 71.7 neg: -4.1 tot: 67.6 m^2/s^2 ave: 22.5 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 23.69 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 45 1 123 10| 2.2 0.0 2.2| 0.1 -4.1 -4.0 -8.1 -0.55| 3.1 -1.7 1000 109 2 127 11| 2.1 0.0 2.1| 10.3 -4.1 6.2 6.2 0.19| 3.8 0.7 1500 168 3 140 12| 2.4 0.0 2.4| 35.0 -4.1 30.9 20.6 0.57| 5.0 2.9 2000 204 4 152 12| 2.4 0.0 2.4| 47.4 -4.1 43.3 21.6 0.66| 4.8 3.2 2500 227 6 163 11| 2.4 0.0 2.4| 59.6 -4.1 55.5 22.2 0.71| 4.8 3.4 3000 248 7 176 9| 2.4 0.0 2.4| 71.7 -4.1 67.6 22.5 0.76| 4.9 3.7 4000 269 9 197 7| 2.2 0.0 2.2| 78.2 -4.1 74.1 18.5 0.76| 4.2 3.2 5000 276 11 217 6| 2.0 0.0 2.0| 81.7 -4.1 77.6 15.5 0.75| 3.6 2.7 6000 281 13 234 6| 1.7 0.1 1.8| 84.9 -5.8 79.1 13.2 0.72| 3.2 2.3 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251202.12.gif