UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 9 DEC 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 1016 7 24.6 18.6 69 6.0 20.5 40 3 296.4 298.8 293.0 335.0 13.39 1 1000 149 23.6 18.6 74 5.0 20.2 45 9 296.8 299.2 293.3 336.0 13.61 2 925 824 17.4 15.9 91 1.5 16.4 45 13 297.1 299.3 292.5 332.9 12.38 3 872 1326 13.4 13.0 97 0.4 13.1 42 12 298.0 300.0 291.6 329.6 10.86 4 850 1542 12.6 9.9 84 2.7 11.0 40 11 299.3 301.0 290.5 325.9 9.04 5 837 1672 12.2 8.3 77 3.9 9.9 48 12 300.2 301.8 290.1 324.5 8.23 6 818 1864 10.8 10.8 100 0.0 10.8 60 13 300.7 302.6 291.7 330.2 10.00 7 785 2208 8.8 8.0 95 0.8 8.3 81 14 302.2 303.7 291.0 327.7 8.61 8 783 2229 8.8 8.8 100 0.0 8.8 82 14 302.4 304.1 291.6 329.5 9.12 9 773 2336 11.6 10.9 95 0.7 11.2 89 15 306.5 308.5 294.0 338.6 10.66 10 741 2690 9.8 9.8 100 0.0 9.8 111 17 308.3 310.2 294.2 339.6 10.33 11 717 2965 11.4 8.5 82 2.9 9.6 128 18 313.0 314.8 295.1 343.2 9.77 12 700 3166 10.6 6.7 77 3.9 8.2 140 19 314.2 315.9 294.7 341.7 8.83 13 690 3286 10.0 5.8 75 4.2 7.5 138 19 314.9 316.5 294.6 341.2 8.42 14 644 3856 5.6 3.5 86 2.1 4.4 128 19 316.1 317.6 294.4 340.3 7.67 15 635 3972 6.8 1.8 70 5.0 3.9 126 20 318.8 320.1 294.5 340.7 6.88 16 589 4587 2.6 -3.4 65 6.0 -0.5 114 20 320.8 321.8 293.6 337.2 5.06 17 570 4851 0.4 -3.5 75 3.9 -1.6 109 20 321.3 322.3 293.9 338.1 5.19 18 535 5361 0.0 -33.0 6 33.0 -8.7 100 21 326.7 326.7 291.2 328.3 0.44 19 500 5900 -4.1 -31.1 10 27.0 -11.2 90 21 328.0 328.2 291.7 330.1 0.57 20 479 6235 -6.5 -32.5 11 26.0 -12.9 91 23 329.1 329.2 292.0 331.1 0.52 21 454 6651 -7.9 -47.9 2 40.0 -14.7 92 24 332.5 332.5 292.5 332.9 0.11 22 449 6736 -7.5 -47.5 2 40.0 -14.6 92 25 334.0 334.0 292.9 334.5 0.12 23 400 7620 -14.3 -46.3 5 32.0 -19.4 95 29 336.4 336.4 293.6 337.0 0.15 24 349 8640 -21.9 -48.9 7 27.0 -25.3 107 22 339.5 339.5 294.3 340.0 0.13 25 334 8963 -24.1 -32.1 48 8.0 -25.7 111 20 340.8 341.0 295.2 343.7 0.78 26 331 9028 -24.3 -36.3 32 12.0 -26.4 111 20 341.4 341.5 295.1 343.4 0.52 27 325 9162 -24.9 -29.2 67 4.3 -25.9 113 19 342.4 342.6 295.8 346.3 1.05 28 324 9184 -25.1 -31.1 57 6.0 -26.3 113 19 342.4 342.6 295.7 345.7 0.88 29 322 9229 -24.7 -36.7 32 12.0 -26.8 114 18 343.6 343.7 295.6 345.5 0.51 30 304 9645 -28.5 -36.5 46 8.0 -29.8 119 16 343.9 344.0 295.7 346.1 0.55 31 300 9740 -29.5 -38.5 41 9.0 -30.8 120 15 343.8 343.9 295.7 345.6 0.46 32 292 9932 -30.5 -44.5 24 14.0 -32.1 133 15 345.0 345.1 295.7 346.1 0.25 33 253 10929 -39.5 -43.2 68 3.7 -39.9 199 15 346.2 346.2 296.1 347.5 0.33 34 252 10956 -39.9 -44.6 61 4.7 -40.3 201 15 346.0 346.0 296.0 347.1 0.29 35 251 10983 -39.9 -47.9 42 8.0 -40.5 203 15 346.3 346.4 296.0 347.2 0.20 36 250 11010 -39.9 -46.9 47 7.0 -40.5 205 15 346.7 346.8 296.1 347.7 0.22 37 242 11232 -41.7 -47.7 52 6.0 -42.2 200 15 347.3 347.3 296.2 348.2 0.21 38 236 11402 -43.1 -49.1 52 6.0 -43.5 196 16 347.7 347.7 296.3 348.4 0.19 39 234 11460 -43.3 -53.3 32 10.0 -43.9 195 16 348.2 348.2 296.3 348.7 0.11 40 214 12057 -48.1 -54.1 50 6.0 -48.4 181 16 349.8 349.8 296.7 350.3 0.11 41 207 12275 -49.9 -58.9 34 9.0 -50.2 175 17 350.3 350.3 296.8 350.6 0.07 42 200 12500 -51.9 -56.8 56 4.9 -52.1 170 17 350.6 350.6 296.8 351.0 0.09 43 199 12532 -52.3 -56.7 59 4.4 -52.5 170 17 350.4 350.5 296.8 350.8 0.09 44 179 13209 -58.3 -65.3 40 7.0 -58.4 160 15 351.4 351.4 297.0 351.6 0.03 45 176 13315 -58.9 -73.9 13 15.0 -59.1 159 15 352.1 352.1 297.1 352.2 0.01 46 162 13831 -63.1 -78.1 11 15.0 -63.2 152 14 353.5 353.5 297.4 353.5 0.01 47 153 14180 -65.9 -73.9 32 8.0 -66.0 147 13 354.5 354.5 297.6 354.6 0.01 48 150 14300 -67.1 -76.1 27 9.0 -67.2 145 13 354.5 354.5 297.6 354.5 0.01 49 144 14544 -69.3 -81.3 16 12.0 -69.4 145 13 354.8 354.8 297.7 354.8 0.00 50 129 15188 -75.3 -81.3 39 6.0 -75.3 145 14 355.4 355.4 297.8 355.4 0.00 51 121 15555 -77.9 -82.7 46 4.8 -77.9 145 15 357.2 357.2 298.1 357.2 0.00 52 100 16620 -85.5 -90.5 40 5.0 -85.5 145 17 362.5 362.5 299.2 362.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 535.00 mb = 5360.78 m = 17587.65 ft Wetbulb zero: 593.97 mb = 4517.88 m = 14822.26 ft Precipitable water: 1.80 inches Sfc-500 mean rel hum: 72.63 % Est. max temperature: 26.57 C = 79.82 F Sfc-Lift cond lev (LCL): 930.70 mb = 770.77 m = 2528.75 ft T: 17.89 C 700-500 lapse rate: 5.38 C/km ThetaE index: 11.49 C Layer 925.0- 818.0 mb Conv cond level (CCL): 912.16 mb = 942.97 m = 3093.68 ft Mean mixing ratio: 13.00 g/kg Conv temperature: 25.52 C = 77.93 F Cap Strength: 5.90 C Lifted Index: 5.05 C Risk: None Lifted Index @300 mb: 7.92 C Lifted Index @700 mb: 4.72 C Showalter Index: 9.18 C Risk: None Total Totals Index: 30.70 C Risk: None Vertical Totals Index: 16.70 C Cross Totals Index: 14.00 C K Index: 22.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 161.80 Risk: None Energy Index: 1.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 47.68 J/kg Max Up Vert Vel: 9.77 m/s Conv Inhibition (B-): 1.70 J/kg Cap Strength: 5.75 C Lift Cond Lev (LCL): 918.03 mb = 888.39 m = 2914.62 ft Lev Free Conv (LFC): 903.03 mb = 1028.64 m = 3374.75 ft Equ Level (EL): 773.03 mb = 2336.06 m = 7664.13 ft B at Equ Level: 44.46 J/kg Max Parcel Lev (MPL): 723.03 mb = 2895.17 m = 9498.47 ft Wind level data Storm motion: 130 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 7 40 3 -1.9 -2.3 | 324 13 7.5 -10.3 1 1000 149 45 9 -6.4 -6.4 | 348 15 3.1 -14.3 2 925 824 45 13 -9.2 -9.2 | 359 17 0.2 -17.1 3 850 1542 40 11 -7.1 -8.4 | 352 17 2.4 -16.4 4 700 3166 140 19 -12.2 14.6 | 157 7 -2.8 6.6 5 500 5900 90 21 -21.0 0.0 | 55 14 -11.6 -8.0 6 400 7620 95 29 -28.9 2.5 | 74 20 -19.5 -5.4 7 300 9740 120 15 -13.0 7.5 | 83 4 -3.6 -0.5 8 250 11010 205 15 6.3 13.6 | 250 17 15.8 5.6 9 200 12500 170 17 -3.0 16.7 | 216 11 6.5 8.8 10 150 14300 145 13 -7.5 10.6 | 216 3 2.0 2.7 11 100 16620 145 17 -9.8 13.9 | 177 6 -0.3 6.0 Wind Parameters Mean winds (0-6000m): 100.1 at 16.5 knts Storm direction: 130.1 at 12.3 knts Shear (0-3000m) pos: 3.3 neg: 0.2 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 166.6 deg Storm rel helicity (0-3000m) pos: 87.1 neg: -8.9 tot: 78.1 m^2/s^2 ave: 26.0 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.96 Bulk Shear: 24.29 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 9 348 15| 8.4 0.0 8.4| 27.2 0.0 27.2 54.4 0.91| 8.4 7.6 1000 45 11 353 16| 4.2 0.7 4.9| 33.0 -2.2 30.8 30.8 0.79| 5.4 4.3 1500 44 11 354 16| 2.8 0.3 3.1| 33.0 -8.9 24.1 16.0 0.56| 4.1 2.3 2000 47 11 355 16| 2.9 0.2 3.1| 54.3 -8.9 45.4 22.7 0.66| 4.7 3.1 2500 56 12 2 15| 3.2 0.2 3.3| 72.4 -8.9 63.5 25.4 0.70| 5.5 3.8 3000 70 13 12 13| 3.3 0.2 3.5| 87.1 -8.9 78.1 26.0 0.76| 6.2 4.7 4000 94 14 35 8| 2.6 0.4 3.1| 91.7 -18.1 73.6 18.4 0.58| 5.7 3.3 5000 101 15 50 8| 2.1 1.0 3.1| 91.7 -31.2 60.5 12.1 0.39| 5.2 2.0 6000 100 16 53 8| 1.8 1.3 3.1| 93.0 -46.0 47.1 7.8 0.27| 4.9 1.3 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251209.12.gif