UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 10 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 1017 6 23.6 14.6 57 9.0 17.8 120 3 295.3 297.2 290.3 325.0 10.32 1 1000 153 22.6 13.6 57 9.0 16.8 150 9 295.8 297.5 290.0 324.1 9.83 2 925 826 16.8 12.8 77 4.0 14.3 160 5 296.5 298.3 290.5 325.7 10.09 3 915 919 16.2 12.4 78 3.8 13.8 170 5 296.8 298.6 290.5 325.6 9.93 4 878 1269 14.0 5.0 55 9.0 9.0 209 5 298.0 299.2 287.6 316.4 6.23 5 857 1473 12.2 10.3 88 1.9 11.0 232 5 298.2 299.9 290.3 325.1 9.22 6 850 1542 12.0 9.9 87 2.1 10.7 240 5 298.7 300.4 290.3 325.2 9.04 7 848 1562 11.8 9.6 86 2.2 10.4 240 5 298.7 300.3 290.2 324.7 8.88 8 827 1773 14.0 10.8 81 3.2 12.0 242 6 303.2 305.0 292.4 332.6 9.88 9 812 1927 13.6 10.2 80 3.4 11.5 244 7 304.3 306.1 292.6 333.3 9.67 10 745 2647 7.8 7.8 100 0.0 7.8 250 10 305.6 307.3 292.4 332.6 8.95 11 744 2658 7.8 7.3 97 0.5 7.5 250 10 305.7 307.4 292.2 331.8 8.66 12 725 2872 9.2 -9.8 25 19.0 1.0 252 12 309.6 310.0 287.9 317.6 2.50 13 720 2930 9.2 -3.8 40 13.0 2.8 253 12 310.2 310.9 289.6 322.8 4.01 14 712 3023 10.0 -21.0 9 31.0 -0.7 254 12 312.0 312.2 287.2 315.4 1.01 15 706 3093 9.4 -10.6 23 20.0 0.8 254 13 312.1 312.6 288.7 319.9 2.41 16 700 3164 10.0 -27.0 5 37.0 -1.4 255 13 313.6 313.7 287.3 315.6 0.60 17 694 3235 10.4 -34.6 3 45.0 -1.8 253 13 314.8 314.8 287.3 315.8 0.29 18 680 3404 9.6 -32.4 3 42.0 -2.2 250 13 315.7 315.8 287.8 317.1 0.37 19 557 5025 0.2 -41.8 3 42.0 -8.8 214 16 323.2 323.2 289.9 323.8 0.17 20 500 5880 -4.9 -36.9 6 32.0 -12.1 195 17 327.1 327.1 291.2 328.3 0.32 21 486 6103 -6.3 -43.3 3 37.0 -13.3 198 17 328.0 328.0 291.3 328.7 0.17 22 480 6200 -6.9 -24.9 22 18.0 -12.2 199 17 328.4 328.7 292.3 332.2 1.06 23 477 6249 -7.1 -11.5 71 4.4 -8.9 199 17 328.8 329.4 294.3 340.1 3.33 24 467 6414 -8.1 -11.0 80 2.9 -9.4 201 16 329.5 330.2 294.7 341.6 3.54 25 418 7266 -14.1 -18.6 69 4.5 -15.6 211 15 332.5 332.9 294.3 339.9 2.11 26 415 7320 -13.7 -28.7 27 15.0 -17.5 212 15 333.7 333.8 293.5 336.8 0.86 27 401 7581 -14.5 -45.5 5 31.0 -19.5 215 15 335.9 335.9 293.4 336.6 0.16 28 400 7600 -14.5 -45.5 5 31.0 -19.5 215 15 336.1 336.2 293.5 336.8 0.16 29 341 8793 -22.7 -48.7 7 26.0 -25.9 223 18 340.7 340.7 294.6 341.2 0.13 30 300 9720 -30.5 -44.5 24 14.0 -32.1 230 21 342.4 342.4 295.1 343.4 0.24 31 282 10153 -34.5 -44.5 36 10.0 -35.5 238 24 342.8 342.8 295.2 343.8 0.26 32 262 10661 -37.7 -56.7 12 19.0 -38.8 249 28 345.4 345.4 295.7 345.6 0.07 33 250 10980 -40.5 -58.5 13 18.0 -41.4 255 31 345.9 345.9 295.8 346.1 0.06 34 238 11314 -43.1 -60.1 14 17.0 -43.8 251 32 346.8 346.8 296.0 347.0 0.05 35 215 11990 -49.7 -56.7 44 7.0 -50.0 241 34 346.8 346.8 296.0 347.2 0.08 36 200 12460 -53.1 -61.1 37 8.0 -53.3 235 36 348.7 348.7 296.4 348.9 0.05 37 197 12557 -53.9 -64.9 25 11.0 -54.1 233 37 348.9 348.9 296.4 349.1 0.03 38 182 13060 -58.3 -64.3 46 6.0 -58.4 225 40 349.7 349.8 296.6 349.9 0.04 39 167 13596 -62.1 -75.1 16 13.0 -62.2 216 44 352.1 352.1 297.1 352.2 0.01 40 152 14170 -67.5 -74.5 36 7.0 -67.5 206 47 352.5 352.5 297.2 352.5 0.01 41 150 14250 -67.9 -75.9 31 8.0 -67.9 205 48 353.1 353.1 297.3 353.2 0.01 42 147 14371 -68.5 -79.5 19 11.0 -68.5 206 47 354.1 354.1 297.5 354.1 0.00 43 143 14536 -68.9 -83.9 10 15.0 -68.9 207 45 356.2 356.2 298.0 356.2 0.00 44 100 16590 -84.7 -90.7 34 6.0 -84.7 220 25 364.1 364.1 299.5 364.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5727.00 m Freezing level: 554.76 mb = 5058.86 m = 16597.09 ft Wetbulb zero: 713.66 mb = 3003.22 m = 9852.96 ft Precipitable water: 1.18 inches Sfc-500 mean rel hum: 38.52 % Est. max temperature: 26.43 C = 79.57 F Sfc-Lift cond lev (LCL): 890.93 mb = 1144.97 m = 3756.43 ft T: 14.78 C 700-500 lapse rate: 5.49 C/km ThetaE index: 15.70 C Layer 745.0- 720.0 mb Conv cond level (CCL): 767.90 mb = 2393.87 m = 7853.80 ft Mean mixing ratio: 9.98 g/kg Conv temperature: 33.52 C = 92.33 F Cap Strength: 8.47 C Lifted Index: 8.85 C Risk: None Lifted Index @300 mb: 13.07 C Lifted Index @700 mb: 7.58 C Showalter Index: 8.73 C Risk: None Total Totals Index: 31.70 C Risk: None Vertical Totals Index: 16.90 C Cross Totals Index: 14.80 C K Index: -10.20 Risk: None Sweat Index: 145.80 Risk: None Energy Index: 0.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.58 J/kg Max Up Vert Vel: 2.27 m/s Conv Inhibition (B-): 7598.23 J/kg Cap Strength: 8.79 C Lift Cond Lev (LCL): 874.94 mb = 1298.54 m = 4260.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 at 8 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 1017 6 120 3 -2.6 1.5 | 83 11 -10.5 -1.2 1 1000 153 150 9 -4.5 7.8 | 112 13 -12.4 5.1 2 925 826 160 5 -1.7 4.7 | 102 10 -9.7 2.0 3 850 1542 240 5 4.3 2.5 | 87 4 -3.6 -0.2 4 700 3164 255 13 12.6 3.4 | 262 5 4.6 0.6 5 500 5880 195 17 4.4 16.4 | 165 14 -3.5 13.7 6 400 7600 215 15 8.6 12.3 | 184 10 0.7 9.6 7 300 9720 230 21 16.1 13.5 | 217 14 8.1 10.8 8 250 10980 255 31 29.9 8.0 | 256 23 22.0 5.3 9 200 12460 235 36 29.5 20.6 | 230 28 21.5 17.9 10 150 14250 205 48 20.3 43.5 | 197 43 12.3 40.8 11 100 16590 220 25 16.1 19.2 | 206 18 8.1 16.4 Wind Parameters Mean winds (0-6000m): 221.1 at 11.2 knts Storm direction: 251.1 at 8.4 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 175.5 deg Storm rel helicity (0-3000m) pos: 22.3 neg: -7.4 tot: 14.9 m^2/s^2 ave: 5.0 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 16.70 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 ------------------------------------------------------------------------------- 500 150 7 107 12| 4.9 0.0 4.9| 18.9 -2.5 16.4 32.8 0.62| 8.7 5.4 1000 154 6 106 11| 2.2 0.0 2.2| 20.4 -5.6 14.7 14.7 0.39| 6.2 2.4 1500 167 6 108 10| 2.4 0.0 2.4| 20.8 -7.2 13.5 9.0 0.21| 5.8 1.2 2000 185 6 114 8| 2.4 0.0 2.4| 21.2 -7.4 13.8 6.9 0.21| 5.0 1.1 2500 205 7 121 6| 2.4 0.0 2.4| 21.7 -7.4 14.3 5.7 0.28| 4.5 1.3 3000 221 7 131 4| 2.5 0.0 2.5| 22.3 -7.4 14.9 5.0 0.29| 4.2 1.2 4000 233 9 159 3| 1.9 0.6 2.4| 22.4 -13.2 9.2 2.3 0.11| 3.9 0.4 5000 230 10 175 4| 1.5 1.0 2.5| 22.4 -23.2 -0.8 -0.2 -0.04| 3.7 -0.1 6000 221 11 174 6| 1.2 1.2 2.5| 23.3 -36.4 -13.1 -2.2 -0.13| 3.6 -0.4 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251210.12.gif