UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 1 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 1016 6 18.6 17.1 91 1.5 17.6 235 1 290.4 292.6 290.2 324.6 12.16 1 1000 145 17.2 16.4 95 0.8 16.7 305 7 290.4 292.4 289.8 323.6 11.81 2 971 397 16.2 16.2 100 0.0 16.2 330 7 291.8 293.9 290.5 325.8 12.01 3 925 810 15.4 15.4 100 0.0 15.4 10 7 295.1 297.2 291.6 329.4 11.98 4 850 1527 12.6 12.6 100 0.0 12.6 195 7 299.3 301.3 292.0 331.1 10.85 5 810 1930 10.4 10.4 100 0.0 10.4 207 9 301.2 303.0 291.7 330.1 9.83 6 787 2170 9.2 7.5 89 1.7 8.2 215 10 302.4 303.9 290.9 327.0 8.29 7 783 2212 8.8 1.8 61 7.0 5.1 216 10 302.4 303.4 288.5 319.2 5.57 8 781 2233 9.0 -2.0 46 11.0 3.6 217 10 302.8 303.6 287.3 315.7 4.23 9 775 2297 9.4 -4.6 37 14.0 2.8 219 11 303.9 304.6 287.0 314.7 3.50 10 762 2438 11.0 -23.0 7 34.0 -0.1 223 12 307.1 307.3 285.2 309.8 0.79 11 741 2672 13.6 -26.4 5 40.0 0.7 230 13 312.4 312.5 286.9 314.5 0.60 12 731 2786 13.0 -29.0 4 42.0 0.1 234 13 313.0 313.1 286.9 314.6 0.48 13 700 3149 10.6 -30.4 4 41.0 -1.4 245 15 314.2 314.3 287.3 315.8 0.44 14 608 4308 4.4 -36.6 3 41.0 -5.8 264 22 320.0 320.0 289.0 321.0 0.27 15 557 5018 2.4 -34.6 4 37.0 -7.2 276 26 325.8 325.8 290.9 327.1 0.36 16 500 5880 -4.1 -32.1 9 28.0 -11.2 290 31 328.0 328.1 291.7 330.0 0.52 17 496 5943 -4.7 -31.7 10 27.0 -11.6 290 30 328.1 328.2 291.7 330.1 0.54 18 416 7310 -10.5 -53.5 2 43.0 -16.9 290 13 337.5 337.5 293.8 337.8 0.06 19 400 7610 -13.5 -48.5 3 35.0 -18.9 290 9 337.4 337.5 293.8 337.9 0.12 20 324 9170 -26.7 -55.7 5 29.0 -29.3 301 18 340.2 340.2 294.4 340.4 0.06 21 300 9720 -31.5 -40.5 41 9.0 -32.6 305 21 341.0 341.1 294.9 342.4 0.37 22 299 9744 -31.7 -40.7 41 9.0 -32.9 305 21 341.0 341.1 294.9 342.5 0.37 23 250 10990 -41.5 -53.5 26 12.0 -42.2 300 27 344.4 344.4 295.4 344.8 0.10 24 237 11348 -44.3 -55.3 28 11.0 -44.9 299 29 345.4 345.5 295.7 345.8 0.09 25 208 12207 -50.3 -66.3 13 16.0 -50.7 296 34 349.2 349.2 296.5 349.3 0.02 26 200 12460 -52.5 -67.5 15 15.0 -52.8 295 36 349.6 349.6 296.5 349.7 0.02 27 166 13639 -62.7 -72.7 25 10.0 -62.8 292 41 351.7 351.7 297.0 351.8 0.01 28 150 14260 -65.7 -77.7 17 12.0 -65.8 290 44 356.9 356.9 298.1 356.9 0.01 29 140 14676 -68.9 -82.9 12 14.0 -68.9 287 42 358.4 358.4 298.4 358.4 0.00 30 115 15827 -77.9 -87.9 18 10.0 -77.9 280 37 362.4 362.4 299.2 362.4 0.00 31 100 16620 -80.7 -91.7 14 11.0 -80.7 275 33 371.8 371.8 300.9 371.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5735.00 m Freezing level: 535.95 mb = 5336.52 m = 17508.05 ft Wetbulb zero: 762.43 mb = 2433.04 m = 7982.32 ft Precipitable water: 1.11 inches Sfc-500 mean rel hum: 40.02 % Est. max temperature: 26.60 C = 79.89 F Sfc-Lift cond lev (LCL): 993.98 mb = 196.63 m = 645.10 ft T: 16.99 C 700-500 lapse rate: 5.38 C/km ThetaE index: 21.29 C Layer 810.0- 741.0 mb Conv cond level (CCL): 924.41 mb = 815.37 m = 2675.08 ft Mean mixing ratio: 11.96 g/kg Conv temperature: 23.28 C = 73.91 F Cap Strength: 9.94 C Lifted Index: 8.89 C Risk: None Lifted Index @300 mb: 11.08 C Lifted Index @700 mb: 7.59 C Showalter Index: 6.63 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 16.70 C Cross Totals Index: 16.70 C K Index: -11.70 Risk: None Sweat Index: 196.20 Risk: None Energy Index: -0.05 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.58 J/kg Max Up Vert Vel: 6.72 m/s Conv Inhibition (B-): 7696.53 J/kg Cap Strength: 9.81 C Lift Cond Lev (LCL): 960.92 mb = 485.45 m = 1592.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 at 12 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 1016 6 235 1 0.8 0.6 | 125 12 -9.5 6.6 1 1000 145 305 7 5.7 -4.0 | 114 5 -4.6 2.0 2 925 810 10 7 -1.2 -6.9 | 86 12 -11.5 -0.9 3 850 1527 195 7 1.8 6.8 | 146 15 -8.5 12.8 4 700 3149 245 15 13.6 6.3 | 195 13 3.3 12.4 5 500 5880 290 31 29.1 -10.6 | 284 19 18.8 -4.6 6 400 7610 290 9 8.5 -3.1 | 148 3 -1.8 3.0 7 300 9720 305 21 17.2 -12.0 | 311 9 6.9 -6.0 8 250 10990 300 27 23.4 -13.5 | 300 15 13.1 -7.5 9 200 12460 295 36 32.6 -15.2 | 292 24 22.3 -9.2 10 150 14260 290 44 41.3 -15.0 | 286 32 31.0 -9.0 11 100 16620 275 33 32.9 -2.9 | 262 23 22.6 3.2 Wind Parameters Mean winds (0-6000m): 270.3 at 15.9 knts Storm direction: 300.3 at 11.9 knts Shear (0-3000m) pos: 2.3 neg: 2.3 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 64.5 deg Storm rel helicity (0-3000m) pos: 55.8 neg: -14.7 tot: 41.0 m^2/s^2 ave: 13.7 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.07 Bulk Shear: 21.17 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 ------------------------------------------------------------------------------- 500 318 6 103 6| 7.5 0.0 7.5| 2.6 -7.7 -5.1 -10.3 -0.33| 11.9 -3.9 1000 336 7 90 8| 3.8 1.1 4.9| 5.5 -8.5 -3.0 -3.0 -0.13| 10.8 -1.4 1500 329 7 92 7| 2.5 4.5 7.0| 15.0 -14.7 0.2 0.1 0.05| 12.3 0.6 2000 278 7 147 6| 1.7 3.4 5.1| 26.1 -14.7 11.4 5.7 0.12| 10.0 1.2 2500 245 8 161 10| 1.9 2.7 4.6| 40.7 -14.7 26.0 10.4 0.19| 8.8 1.7 3000 243 9 166 10| 2.3 2.3 4.6| 55.8 -14.7 41.0 13.7 0.26| 8.1 2.1 4000 249 11 178 10| 2.7 1.7 4.4| 82.9 -14.7 68.2 17.0 0.37| 7.1 2.6 5000 258 13 197 9| 3.1 1.4 4.4|115.8 -14.7 101.0 20.2 0.45| 6.6 3.0 6000 270 16 223 8| 3.1 1.1 4.2|152.8 -15.5 137.3 22.9 0.50| 6.3 3.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251201.00.gif