UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 21 APR 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 1011 7 26.6 22.7 79 3.9 23.8 155 1 298.8 302.0 296.5 349.6 17.43 1 1000 101 25.6 22.3 82 3.3 23.2 160 3 298.8 301.9 296.4 348.9 17.19 2 990 190 24.6 21.9 85 2.7 22.7 164 4 298.6 301.7 296.2 347.9 16.94 3 985 234 25.8 21.3 76 4.5 22.6 166 5 300.2 303.2 296.3 348.3 16.40 4 968 388 24.8 21.7 83 3.1 22.6 173 6 300.7 303.9 296.8 351.1 17.12 5 958 480 26.4 21.6 75 4.8 22.9 177 7 303.2 306.4 297.5 354.3 17.20 6 945 601 25.6 23.1 86 2.5 23.8 182 9 303.6 307.2 298.8 360.7 19.16 7 925 790 25.4 21.6 80 3.8 22.6 190 11 305.3 308.6 298.4 358.7 17.83 8 918 857 25.2 19.2 69 6.0 20.9 192 11 305.7 308.6 297.1 352.0 15.43 9 905 983 26.4 11.4 39 15.0 16.7 196 10 308.2 310.0 293.5 336.8 9.39 10 881 1220 24.8 10.8 41 14.0 15.8 204 9 308.9 310.7 293.6 337.2 9.27 11 873 1300 23.6 17.6 69 6.0 19.4 207 8 308.5 311.3 297.3 352.9 14.66 12 850 1533 21.8 16.8 73 5.0 18.3 215 7 309.0 311.7 297.1 352.4 14.31 13 796 2100 17.6 13.9 79 3.7 15.1 186 8 310.4 312.7 296.4 349.0 12.65 14 738 2742 12.2 10.1 87 2.1 10.9 153 8 311.3 313.3 295.2 343.7 10.58 15 720 2950 11.4 4.4 62 7.0 7.3 142 9 312.6 314.0 293.2 335.3 7.30 16 714 3020 11.2 0.2 47 11.0 5.2 139 9 313.1 314.1 291.7 330.2 5.44 17 705 3126 11.6 -13.4 16 25.0 1.2 133 9 314.7 315.1 289.0 321.1 1.93 18 700 3186 11.4 -10.6 20 22.0 1.7 130 9 315.1 315.6 289.7 323.1 2.43 19 653 3762 8.0 -26.0 7 34.0 -2.8 134 10 317.6 317.7 288.8 320.1 0.70 20 603 4412 3.2 -10.8 35 14.0 -2.9 139 12 319.4 319.9 291.3 328.6 2.78 21 597 4493 3.0 -9.0 41 12.0 -2.4 139 12 320.0 320.7 291.9 330.7 3.24 22 594 4534 3.2 -22.8 13 26.0 -5.4 140 12 320.7 320.9 290.0 324.3 1.03 23 584 4671 2.8 -24.2 12 27.0 -5.9 141 12 321.8 322.0 290.3 325.1 0.92 24 516 5661 -3.3 -19.3 28 16.0 -8.9 148 14 326.1 326.4 292.2 331.7 1.61 25 511 5738 -2.9 -29.9 10 27.0 -10.3 149 15 327.5 327.6 291.6 329.7 0.63 26 500 5910 -4.3 -27.3 15 23.0 -10.9 150 15 327.8 328.0 291.9 330.7 0.81 27 482 6197 -6.5 -23.5 25 17.0 -11.8 148 13 328.5 328.8 292.4 332.8 1.19 28 438 6937 -9.7 -48.7 3 39.0 -16.1 144 7 333.6 333.6 292.8 334.0 0.10 29 400 7630 -13.7 -45.7 5 32.0 -19.0 140 1 337.2 337.2 293.8 337.8 0.16 30 398 7668 -13.9 -34.9 15 21.0 -18.4 140 1 337.4 337.5 294.1 339.3 0.50 31 369 8238 -18.9 -33.9 25 15.0 -22.0 134 2 338.1 338.3 294.4 340.4 0.59 32 315 9399 -27.5 -44.5 18 17.0 -29.6 123 3 341.8 341.9 295.0 342.8 0.23 33 300 9750 -28.7 -52.7 8 24.0 -31.0 120 3 344.9 345.0 295.6 345.3 0.10 34 276 10342 -32.5 -58.5 6 26.0 -34.4 157 5 347.8 347.8 296.2 348.0 0.05 35 250 11030 -38.7 -60.7 8 22.0 -39.8 200 7 348.5 348.5 296.4 348.7 0.04 36 213 12108 -48.5 -62.5 18 14.0 -49.0 272 3 349.6 349.6 296.6 349.8 0.04 37 204 12391 -51.1 -57.1 49 6.0 -51.3 291 2 349.9 349.9 296.7 350.2 0.08 38 200 12520 -51.9 -54.1 77 2.2 -52.0 300 1 350.6 350.6 296.8 351.1 0.12 39 164 13775 -62.3 -69.3 39 7.0 -62.4 341 13 353.6 353.6 297.4 353.7 0.02 40 150 14320 -66.5 -70.8 55 4.3 -66.5 360 19 355.5 355.5 297.8 355.6 0.02 41 138 14820 -70.3 -74.3 56 4.0 -70.4 16 19 357.4 357.4 298.2 357.5 0.01 42 101 16624 -81.1 -86.0 43 4.9 -81.1 78 21 370.0 370.0 300.5 370.0 0.00 43 100 16680 -80.9 -85.9 43 5.0 -80.9 80 21 371.4 371.4 300.8 371.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5809.00 m Freezing level: 552.79 mb = 5125.74 m = 16816.53 ft Wetbulb zero: 682.48 mb = 3396.08 m = 11141.87 ft Precipitable water: 1.76 inches Sfc-500 mean rel hum: 45.94 % Est. max temperature: 36.57 C = 97.83 F Sfc-Lift cond lev (LCL): 955.53 mb = 502.90 m = 1649.93 ft T: 26.25 C 700-500 lapse rate: 5.76 C/km ThetaE index: 31.86 C Layer 850.0- 700.0 mb Conv cond level (CCL): 813.09 mb = 1916.48 m = 6287.57 ft Mean mixing ratio: 17.19 g/kg Conv temperature: 37.74 C = 99.93 F Cap Strength: 5.70 C Lifted Index: -2.44 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.00 C Lifted Index @700 mb: -0.05 C Showalter Index: -2.21 C Risk: Severe thunderstorms possible Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 21.10 C K Index: 20.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 230.60 Risk: None Energy Index: -4.15 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 806.89 J/kg Max Up Vert Vel: 40.17 m/s Conv Inhibition (B-): 181.10 J/kg Cap Strength: 5.51 C Lift Cond Lev (LCL): 906.87 mb = 964.58 m = 3164.59 ft Lev Free Conv (LFC): 761.87 mb = 2472.04 m = 8110.27 ft Equ Level (EL): 171.87 mb = 13478.37 m = 44219.85 ft B at Equ Level: 805.45 J/kg Wind level data Storm motion: 186 at 7 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 1011 7 155 1 -0.4 0.9 | 11 7 -1.2 -6.5 1 1000 101 160 3 -1.0 2.8 | 22 5 -1.8 -4.6 2 925 790 190 11 1.9 10.8 | 198 4 1.1 3.4 3 850 1533 215 7 4.0 5.7 | 297 4 3.2 -1.7 4 700 3186 130 9 -6.9 5.8 | 78 8 -7.7 -1.6 5 500 5910 150 15 -7.5 13.0 | 124 10 -8.3 5.6 6 400 7630 140 1 -0.6 0.8 | 12 7 -1.4 -6.6 7 300 9750 120 3 -2.6 1.5 | 30 7 -3.4 -5.9 8 250 11030 200 7 2.4 6.6 | 297 2 1.6 -0.8 9 200 12520 300 1 0.9 -0.5 | 359 8 0.1 -7.9 10 150 14320 360 19 -0.0 -19.0 | 2 26 -0.8 -26.4 11 100 16680 80 21 -20.7 -3.6 | 63 24 -21.5 -11.0 Wind Parameters Mean winds (0-6000m): 156.2 at 9.9 knts Storm direction: 186.2 at 7.4 knts Shear (0-3000m) pos: 1.1 neg: 1.7 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 72.9 deg Storm rel helicity (0-3000m) pos: 9.2 neg: -2.5 tot: 6.7 m^2/s^2 ave: 2.2 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 1.4 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 200.57 Bulk Shear: 4.02 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 ------------------------------------------------------------------------------- 500 172 5 29 3| 7.0 0.0 7.0| 3.7 0.0 3.7 7.5 0.61| 7.3 4.5 1000 186 7 10 0| 4.7 0.0 4.7| 6.4 0.0 6.4 6.4 0.69| 6.5 4.5 1500 192 8 262 1| 2.3 0.0 2.3| 9.2 0.0 9.2 6.1 0.75| 5.6 4.2 2000 195 8 273 1| 1.7 0.8 2.5| 9.2 -0.4 8.8 4.4 0.59| 5.0 3.0 2500 191 8 260 1| 1.4 1.3 2.7| 9.2 -0.7 8.4 3.4 0.42| 4.8 2.0 3000 183 8 136 1| 1.1 1.7 2.8| 9.2 -2.5 6.7 2.2 0.31| 4.6 1.4 4000 168 8 105 3| 1.0 1.4 2.4| 13.4 -3.7 9.8 2.4 0.32| 3.9 1.2 5000 159 9 104 4| 1.0 1.2 2.1| 19.3 -3.7 15.6 3.1 0.37| 3.4 1.3 6000 156 10 109 5| 1.0 1.0 2.0| 25.3 -4.9 20.4 3.4 0.39| 3.1 1.2 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250421.00.gif