UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 25 APR 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 1008 6 27.4 21.4 70 6.0 23.1 265 1 299.9 302.8 296.0 347.0 16.12 1 1000 80 26.8 21.8 74 5.0 23.2 235 3 300.0 303.0 296.4 348.7 16.66 2 925 765 20.8 19.1 90 1.7 19.6 130 5 300.6 303.4 295.6 345.2 15.22 3 923 784 20.6 19.2 92 1.4 19.6 132 5 300.6 303.4 295.6 345.6 15.35 4 850 1495 17.6 17.1 97 0.5 17.2 200 13 304.6 307.3 296.2 348.1 14.59 5 825 1750 15.8 15.8 100 0.0 15.8 211 15 305.3 307.9 295.9 346.6 13.82 6 813 1876 19.0 13.0 68 6.0 15.0 216 16 310.0 312.2 295.6 345.5 11.66 7 796 2057 17.4 13.5 78 3.9 14.8 224 18 310.1 312.5 296.1 347.7 12.32 8 786 2165 16.8 11.8 72 5.0 13.5 228 19 310.6 312.7 295.4 344.7 11.14 9 770 2341 18.0 3.0 37 15.0 9.3 236 20 313.7 314.9 292.6 333.1 6.18 10 766 2386 18.0 0.0 30 18.0 8.1 238 21 314.2 315.2 291.7 330.0 5.00 11 751 2555 16.0 10.0 68 6.0 12.1 245 22 313.8 315.8 295.7 345.9 10.33 12 725 2854 13.4 9.5 77 3.9 10.9 257 24 314.2 316.1 295.8 346.3 10.34 13 702 3125 11.4 8.0 80 3.4 9.3 269 27 314.9 316.7 295.5 344.9 9.64 14 700 3149 11.4 7.5 77 3.9 9.0 270 27 315.1 316.9 295.3 344.3 9.34 15 612 4255 3.6 1.9 89 1.7 2.7 276 28 318.5 319.9 294.7 341.4 7.20 16 581 4676 1.0 -5.0 64 6.0 -2.0 278 28 320.2 321.1 293.0 335.0 4.54 17 557 5014 -0.7 -23.7 16 23.0 -7.9 280 28 322.1 322.3 290.5 325.6 1.01 18 537 5305 -2.7 -28.7 11 26.0 -9.8 282 29 323.1 323.2 290.4 325.5 0.67 19 535 5335 -2.5 -33.5 7 31.0 -10.1 282 29 323.7 323.8 290.3 325.2 0.42 20 500 5870 -4.3 -33.3 8 29.0 -11.5 285 29 327.8 327.9 291.6 329.5 0.46 21 491 6013 -4.9 -34.9 7 30.0 -12.0 283 28 328.8 328.8 291.8 330.3 0.40 22 429 7059 -13.3 -27.3 30 14.0 -16.9 271 22 331.0 331.2 292.9 334.5 0.95 23 413 7348 -15.5 -31.5 24 16.0 -19.1 268 20 331.8 331.9 292.9 334.3 0.66 24 409 7421 -14.3 -48.3 4 34.0 -19.4 267 20 334.3 334.3 293.0 334.7 0.12 25 400 7590 -15.5 -49.5 4 34.0 -20.3 265 19 334.8 334.9 293.1 335.3 0.10 26 388 7819 -16.5 -53.5 3 37.0 -21.2 269 19 336.5 336.5 293.5 336.7 0.07 27 367 8237 -17.9 -52.9 3 35.0 -22.3 277 20 340.0 340.0 294.4 340.3 0.08 28 359 8401 -19.3 -58.3 2 39.0 -23.5 280 20 340.3 340.3 294.4 340.4 0.04 29 300 9710 -29.1 -59.1 4 30.0 -31.4 305 21 344.4 344.4 295.4 344.6 0.04 30 299 9734 -29.3 -59.3 4 30.0 -31.6 304 21 344.4 344.4 295.4 344.6 0.04 31 264 10606 -37.1 -39.5 78 2.4 -37.4 270 17 345.5 345.6 296.0 347.3 0.47 32 259 10738 -38.3 -41.3 73 3.0 -38.6 265 16 345.6 345.7 296.0 347.2 0.40 33 250 10980 -39.7 -43.2 69 3.5 -40.1 255 15 347.0 347.1 296.3 348.4 0.34 34 244 11146 -40.9 -44.5 68 3.6 -41.2 256 15 347.7 347.7 296.4 348.9 0.30 35 238 11315 -41.9 -49.9 41 8.0 -42.5 256 15 348.6 348.7 296.5 349.3 0.17 36 200 12470 -51.5 -57.5 49 6.0 -51.7 260 15 351.2 351.2 297.0 351.6 0.08 37 189 12833 -54.5 -58.8 59 4.3 -54.6 256 15 352.1 352.1 297.1 352.4 0.07 38 150 14270 -65.5 -70.5 50 5.0 -65.5 240 17 357.2 357.3 298.2 357.3 0.02 39 144 14517 -67.3 -71.4 56 4.1 -67.4 241 17 358.3 358.3 298.4 358.4 0.02 40 129 15170 -72.5 -77.5 47 5.0 -72.5 242 16 360.4 360.4 298.8 360.5 0.01 41 127 15263 -70.3 -77.3 35 7.0 -70.4 242 16 366.0 366.0 299.8 366.0 0.01 42 118 15696 -73.1 -82.1 24 9.0 -73.1 243 16 368.6 368.6 300.3 368.6 0.00 43 100 16650 -78.9 -83.9 44 5.0 -78.9 245 15 375.3 375.3 301.5 375.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 566.88 mb = 4874.51 m = 15992.29 ft Wetbulb zero: 594.21 mb = 4493.85 m = 14743.41 ft Precipitable water: 2.04 inches Sfc-500 mean rel hum: 67.01 % Est. max temperature: 31.67 C = 89.00 F Sfc-Lift cond lev (LCL): 923.99 mb = 774.49 m = 2540.95 ft T: 20.70 C 700-500 lapse rate: 5.77 C/km ThetaE index: 21.06 C Layer 702.0- 500.0 mb Conv cond level (CCL): 884.50 mb = 1151.53 m = 3777.94 ft Mean mixing ratio: 15.86 g/kg Conv temperature: 30.18 C = 86.32 F Cap Strength: 4.86 C Lifted Index: -0.22 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.00 C Lifted Index @700 mb: 1.65 C Showalter Index: -0.63 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 21.40 C K Index: 35.10 Risk: > 80 % chance of thunderstorms Sweat Index: 260.20 Risk: None Energy Index: -3.52 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 161.10 J/kg Max Up Vert Vel: 17.95 m/s Conv Inhibition (B-): 176.90 J/kg Cap Strength: 4.73 C Lift Cond Lev (LCL): 914.37 mb = 864.84 m = 2837.36 ft Lev Free Conv (LFC): 639.37 mb = 3895.05 m = 12778.89 ft Equ Level (EL): 379.37 mb = 7987.94 m = 26206.83 ft B at Equ Level: 159.83 J/kg Max Parcel Lev (MPL): 219.37 mb = 11856.10 m = 38897.49 ft Wind level data Storm motion: 297 at 16 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 1008 6 265 1 1.0 0.1 | 119 15 -12.8 7.1 1 1000 80 235 3 2.5 1.7 | 128 14 -11.4 8.8 2 925 765 130 5 -3.8 3.2 | 120 20 -17.7 10.3 3 850 1495 200 13 4.4 12.2 | 154 21 -9.4 19.3 4 700 3149 270 27 27.0 -0.0 | 242 15 13.2 7.1 5 500 5870 285 29 28.0 -7.5 | 272 14 14.2 -0.4 6 400 7590 265 19 18.9 1.7 | 210 10 5.1 8.7 7 300 9710 305 21 17.2 -12.0 | 326 6 3.4 -5.0 8 250 10980 255 15 14.5 3.9 | 183 11 0.7 10.9 9 200 12470 260 15 14.8 2.6 | 186 10 0.9 9.7 10 150 14270 240 17 14.7 8.5 | 183 16 0.9 15.6 11 100 16650 245 15 13.6 6.3 | 179 13 -0.2 13.4 Wind Parameters Mean winds (0-6000m): 267.0 at 20.7 knts Storm direction: 297.0 at 15.5 knts Shear (0-3000m) pos: 5.0 neg: 1.4 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 111.3 deg Storm rel helicity (0-3000m) pos: 204.2 neg: -14.1 tot: 190.1 m^2/s^2 ave: 63.4 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 6.3 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 3.16 Bulk Shear: 50.96 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 ------------------------------------------------------------------------------- 500 200 3 129 16| 0.0 4.6 4.6| 10.7 -3.3 7.5 14.9 0.32| 6.6 2.1 1000 158 4 126 19| 0.0 4.1 4.1| 26.5 -14.1 12.4 12.4 0.21| 6.6 1.4 1500 179 6 134 19| 3.3 2.8 6.1| 85.2 -14.1 71.1 47.4 0.55| 7.9 4.4 2000 196 9 143 19| 4.2 2.1 6.2|123.4 -14.1 109.3 54.6 0.66| 7.7 5.0 2500 212 11 153 18| 4.7 1.7 6.4|163.4 -14.1 149.3 59.7 0.72| 7.9 5.7 3000 231 13 166 16| 5.0 1.4 6.4|204.2 -14.1 190.1 63.4 0.77| 8.2 6.3 4000 251 16 188 13| 4.2 1.0 5.2|225.1 -14.1 211.0 52.8 0.79| 6.9 5.4 5000 261 19 205 11| 3.5 0.8 4.3|235.7 -14.1 221.6 44.3 0.80| 5.8 4.6 6000 267 21 220 11| 2.9 0.7 3.6|244.2 -17.0 227.3 37.9 0.78| 5.1 4.0 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250425.12.gif