UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 20 OCT 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 1010 7 27.0 24.0 84 3.0 24.8 25 5 299.3 302.7 297.6 354.6 18.92 1 1004 58 27.8 23.5 77 4.3 24.6 25 9 300.6 304.0 297.7 354.8 18.45 2 1000 93 27.4 23.5 79 3.9 24.5 25 11 300.5 303.9 297.7 355.0 18.53 3 925 780 21.6 21.6 100 0.0 21.6 30 31 301.4 304.7 297.5 353.9 17.83 4 913 894 20.8 20.6 99 0.2 20.7 32 31 301.7 304.8 297.0 351.7 16.96 5 905 970 20.4 20.4 100 0.0 20.4 34 31 302.1 305.2 297.1 352.0 16.90 6 894 1076 20.4 17.2 82 3.2 18.2 36 31 303.1 305.7 295.4 344.4 13.94 7 850 1511 17.0 15.9 93 1.1 16.3 45 31 304.0 306.5 295.3 344.1 13.49 8 793 2101 13.0 13.0 100 0.0 13.0 50 27 305.8 308.0 294.7 341.6 11.96 9 789 2144 12.8 11.8 94 1.0 12.1 51 27 306.0 308.1 294.1 339.3 11.09 10 786 2176 13.8 9.4 75 4.4 11.0 51 27 307.4 309.2 293.3 336.1 9.46 11 749 2582 11.8 6.8 71 5.0 8.8 55 24 309.5 311.1 293.0 334.9 8.31 12 734 2752 10.8 9.9 94 0.9 10.2 56 23 310.2 312.2 294.8 342.3 10.50 13 700 3148 9.6 7.0 84 2.6 8.0 60 21 313.1 314.8 294.6 341.1 9.02 14 696 3196 9.6 6.2 79 3.4 7.5 61 21 313.6 315.3 294.4 340.3 8.58 15 644 3836 5.4 1.7 77 3.7 3.3 67 20 315.9 317.2 293.6 337.2 6.74 16 626 4068 3.6 2.7 94 0.9 3.1 70 19 316.4 317.9 294.3 339.9 7.45 17 586 4603 1.8 -5.2 60 7.0 -1.6 76 18 320.4 321.2 293.0 334.8 4.43 18 565 4897 0.4 -2.7 80 3.1 -1.2 79 17 322.1 323.2 294.4 340.1 5.56 19 559 4983 0.0 -7.0 59 7.0 -3.3 80 17 322.6 323.4 293.3 335.9 4.05 20 530 5409 -2.3 -3.7 90 1.4 -3.0 85 16 324.8 325.9 295.0 342.8 5.50 21 502 5839 -4.7 -10.7 63 6.0 -7.3 90 15 326.9 327.6 293.9 338.3 3.37 22 500 5870 -4.7 -12.7 54 8.0 -8.0 90 15 327.3 327.9 293.6 337.1 2.88 23 498 5902 -4.9 -18.9 32 14.0 -9.8 87 15 327.4 327.8 292.6 333.4 1.72 24 497 5917 -5.1 -10.1 68 5.0 -7.3 86 15 327.4 328.1 294.1 339.4 3.57 25 495 5949 -4.9 -14.9 45 10.0 -8.8 83 15 328.0 328.5 293.4 336.3 2.43 26 482 6158 -6.3 -7.9 88 1.6 -7.1 65 13 328.8 329.7 295.1 343.5 4.38 27 458 6557 -7.5 -12.4 68 4.9 -9.6 29 11 332.1 332.8 295.1 343.2 3.22 28 455 6609 -7.3 -15.3 53 8.0 -10.5 24 11 333.0 333.5 294.8 341.9 2.56 29 446 6764 -7.9 -13.9 62 6.0 -10.4 11 10 334.2 334.7 295.4 344.4 2.93 30 417 7283 -12.7 -15.2 82 2.5 -13.6 324 7 334.5 335.0 295.3 344.3 2.82 31 400 7600 -14.3 -17.3 78 3.0 -15.4 295 5 336.4 336.9 295.6 345.1 2.46 32 389 7811 -15.7 -17.6 85 1.9 -16.4 310 5 337.3 337.8 295.7 346.0 2.47 33 349 8623 -19.7 -29.7 41 10.0 -22.1 8 3 342.5 342.7 295.7 346.0 0.93 34 346 8687 -19.7 -42.7 11 23.0 -23.4 13 3 343.3 343.4 295.4 344.4 0.26 35 345 8709 -19.7 -41.7 12 22.0 -23.4 15 3 343.6 343.7 295.4 344.8 0.29 36 336 8904 -21.1 -40.1 16 19.0 -24.4 29 3 344.3 344.4 295.7 345.7 0.35 37 331 9015 -22.1 -30.1 48 8.0 -23.9 37 2 344.4 344.6 296.2 348.0 0.95 38 323 9194 -23.3 -40.3 20 17.0 -26.1 50 2 345.2 345.3 295.8 346.6 0.35 39 300 9730 -28.1 -37.1 42 9.0 -29.6 90 1 345.8 345.9 296.1 347.9 0.53 40 289 9997 -30.5 -36.5 56 6.0 -31.4 113 5 346.1 346.2 296.3 348.3 0.58 41 266 10580 -34.7 -51.7 16 17.0 -36.1 163 14 348.2 348.3 296.4 348.8 0.12 42 250 11010 -38.5 -46.5 43 8.0 -39.2 200 21 348.8 348.9 296.6 349.8 0.23 43 225 11724 -44.9 -48.4 68 3.5 -45.2 195 22 349.7 349.7 296.8 350.6 0.21 44 222 11814 -45.7 -51.7 51 6.0 -46.0 195 22 349.8 349.8 296.7 350.4 0.15 45 200 12500 -51.5 -55.9 59 4.4 -51.7 190 23 351.2 351.2 297.0 351.6 0.10 46 184 13035 -56.3 -60.0 63 3.7 -56.4 191 24 351.9 351.9 297.1 352.2 0.06 47 150 14300 -66.9 -74.9 31 8.0 -67.0 195 27 354.8 354.8 297.7 354.9 0.01 48 133 15014 -72.7 -78.7 40 6.0 -72.7 168 24 356.9 356.9 298.1 357.0 0.01 49 122 15515 -75.5 -83.5 27 8.0 -75.5 149 22 360.7 360.7 298.8 360.8 0.00 50 100 16640 -83.5 -88.5 41 5.0 -83.5 105 17 366.4 366.4 299.9 366.4 0.00 TRP 100 16640 -83.5 -88.5 41 5.0 -83.5 105 17 366.4 366.4 299.9 366.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 559.00 mb = 4982.84 m = 16347.69 ft Wetbulb zero: 599.83 mb = 4413.85 m = 14480.97 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 82.62 % Est. max temperature: 31.48 C = 88.66 F Sfc-Lift cond lev (LCL): 967.39 mb = 385.11 m = 1263.46 ft T: 24.93 C 700-500 lapse rate: 5.25 C/km ThetaE index: 17.02 C Layer 894.0- 734.0 mb Conv cond level (CCL): 929.10 mb = 741.01 m = 2431.12 ft Mean mixing ratio: 18.08 g/kg Conv temperature: 29.06 C = 84.30 F Cap Strength: 0.29 C Lifted Index: -3.25 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.99 C Lifted Index @700 mb: -2.14 C Showalter Index: 0.44 C Risk: Thunderstorms probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 20.60 C K Index: 35.00 Risk: > 80 % chance of thunderstorms Sweat Index: 267.80 Risk: None Energy Index: -1.40 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1063.00 J/kg Max Up Vert Vel: 46.11 m/s Conv Inhibition (B-): 0.22 J/kg Cap Strength: 0.29 C Lift Cond Lev (LCL): 934.24 mb = 692.43 m = 2271.73 ft Lev Free Conv (LFC): 919.24 mb = 834.34 m = 2737.31 ft Equ Level (EL): 149.24 mb = 14330.22 m = 47014.59 ft B at Equ Level: 1053.27 J/kg Wind level data Storm motion: 85 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 1010 7 25 5 -2.1 -4.5 | 282 15 14.2 -3.1 1 1000 93 25 11 -4.6 -10.0 | 306 14 11.6 -8.5 2 925 780 30 31 -15.5 -26.8 | 358 25 0.8 -25.4 3 850 1511 45 31 -21.9 -21.9 | 15 21 -5.6 -20.5 4 700 3148 60 21 -18.2 -10.5 | 12 9 -1.9 -9.0 5 500 5870 90 15 -15.0 0.0 | 222 2 1.3 1.5 6 400 7600 295 5 4.5 -2.1 | 272 21 20.8 -0.7 7 300 9730 90 1 -1.0 0.0 | 265 15 15.3 1.5 8 250 11010 200 21 7.2 19.7 | 228 32 23.5 21.2 9 200 12500 190 23 4.0 22.7 | 220 31 20.3 24.1 10 150 14300 195 27 7.0 26.1 | 220 36 23.3 27.5 11 100 16640 105 17 -16.4 4.4 | 179 6 -0.1 5.9 Wind Parameters Mean winds (0-6000m): 54.9 at 21.8 knts Storm direction: 84.9 at 16.4 knts Shear (0-3000m) pos: 3.1 neg: 0.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 91.3 deg Storm rel helicity (0-3000m) pos: 147.0 neg: -2.1 tot: 144.9 m^2/s^2 ave: 48.3 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 5.0 10^-3/s Energy-Hel index: 0.98 Bulk Rich Number: 67.15 Bulk Shear: 15.83 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 27 15 323 15| 18.6 0.0 18.6| 69.0 0.0 69.0 137.9 0.93| 18.7 17.3 1000 30 22 343 19| 13.4 0.0 13.4|115.8 0.0 115.8 115.8 0.86| 14.6 12.6 1500 34 25 353 20| 9.0 0.0 9.0|144.4 0.0 144.4 96.2 0.86| 11.7 10.0 2000 38 26 359 19| 6.0 0.0 6.0|146.8 0.0 146.8 73.4 0.79| 9.7 7.7 2500 40 26 2 19| 4.3 0.0 4.3|147.0 -0.3 146.8 58.7 0.72| 8.6 6.1 3000 43 26 4 18| 3.1 0.0 3.1|147.0 -2.1 144.9 48.3 0.65| 7.7 5.0 4000 47 24 6 15| 2.0 0.0 2.0|148.2 -2.7 145.5 36.4 0.59| 6.4 3.8 5000 51 23 7 13| 1.5 0.0 1.5|148.4 -2.7 145.7 29.1 0.55| 5.6 3.0 6000 55 22 8 11| 1.2 0.2 1.4|149.8 -2.9 146.8 24.5 0.52| 5.2 2.7 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251020.00.gif