UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 9 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 24.8 23.3 91 1.5 23.8 330 1 297.1 300.4 296.5 349.5 18.11 1 1000 94 25.0 23.0 89 2.0 23.6 340 5 298.1 301.4 296.7 350.4 17.96 2 925 778 21.6 20.9 96 0.7 21.1 70 11 301.4 304.5 297.0 351.6 17.06 3 915 873 22.0 19.8 87 2.2 20.5 71 12 302.7 305.7 296.7 350.4 16.09 4 850 1512 18.4 17.0 92 1.4 17.4 75 15 305.4 308.1 296.4 348.8 14.49 5 731 2793 11.0 10.5 97 0.5 10.7 79 18 310.8 312.9 295.4 344.4 10.98 6 700 3156 10.2 5.2 71 5.0 7.2 80 19 313.8 315.3 294.0 338.6 7.95 7 683 3360 9.6 2.6 62 7.0 5.6 81 20 315.3 316.6 293.5 336.7 6.77 8 638 3922 6.4 -3.6 49 10.0 1.3 83 22 317.9 318.8 292.4 332.7 4.60 9 629 4039 5.4 1.5 76 3.9 3.2 83 22 318.0 319.4 294.3 339.7 6.80 10 626 4078 5.4 -1.6 61 7.0 1.7 83 22 318.5 319.5 293.3 336.0 5.44 11 599 4436 2.6 -1.4 75 4.0 0.5 85 24 319.3 320.4 293.8 337.8 5.77 12 588 4586 2.0 -5.0 60 7.0 -1.4 85 24 320.3 321.2 293.0 334.9 4.49 13 582 4669 2.0 -12.0 35 14.0 -3.9 85 24 321.2 321.7 291.7 330.0 2.62 14 571 4823 1.0 -14.0 32 15.0 -5.0 86 25 321.8 322.2 291.6 329.4 2.27 15 562 4950 0.0 -1.6 89 1.6 -0.9 87 26 322.1 323.3 294.7 341.8 6.07 16 559 4993 0.0 -1.9 87 1.9 -1.0 87 26 322.6 323.8 294.8 342.0 5.97 17 554 5065 0.4 -10.6 43 11.0 -4.4 87 26 323.9 324.5 292.9 334.2 3.08 18 545 5196 -0.3 -17.3 26 17.0 -6.7 87 26 324.6 324.9 291.9 330.8 1.80 19 518 5601 -3.1 -14.1 42 11.0 -7.5 89 28 325.9 326.4 292.9 334.4 2.48 20 513 5678 -3.5 -6.7 78 3.2 -5.0 89 28 326.4 327.3 294.7 341.4 4.52 21 502 5849 -5.1 -6.8 88 1.7 -5.9 90 29 326.4 327.4 294.7 341.7 4.58 22 500 5880 -5.1 -8.3 78 3.2 -6.6 90 29 326.8 327.6 294.4 340.5 4.09 23 407 7478 -13.5 -14.6 91 1.1 -13.9 104 25 335.8 336.4 295.8 346.4 3.03 24 400 7610 -14.5 -15.7 91 1.2 -15.0 105 25 336.1 336.7 295.7 346.0 2.82 25 365 8298 -19.1 -19.8 94 0.7 -19.3 105 25 338.9 339.4 295.9 346.7 2.18 26 300 9730 -29.1 -31.8 77 2.7 -29.6 105 25 344.4 344.6 296.1 347.8 0.89 27 278 10267 -33.1 -36.5 71 3.4 -33.6 107 20 346.2 346.3 296.3 348.5 0.60 28 265 10600 -35.9 -38.7 75 2.8 -36.2 108 17 346.9 347.0 296.4 348.9 0.51 29 250 11000 -39.5 -43.8 64 4.3 -39.9 110 13 347.3 347.4 296.3 348.6 0.31 30 226 11684 -44.9 -57.9 22 13.0 -45.5 117 15 349.2 349.3 296.5 349.5 0.07 31 219 11894 -46.7 -55.7 35 9.0 -47.1 119 15 349.6 349.6 296.6 350.0 0.09 32 216 11985 -47.3 -51.8 60 4.5 -47.6 120 16 350.1 350.1 296.8 350.7 0.15 33 200 12490 -51.9 -59.9 38 8.0 -52.1 125 17 350.6 350.6 296.8 350.8 0.06 34 197 12588 -52.7 -61.7 33 9.0 -52.9 125 17 350.8 350.8 296.8 351.0 0.05 35 171 13486 -60.5 -65.5 52 5.0 -60.6 122 17 352.4 352.4 297.2 352.5 0.03 36 150 14290 -66.7 -73.7 37 7.0 -66.8 120 17 355.2 355.2 297.7 355.2 0.01 37 120 15604 -77.7 -81.1 58 3.4 -77.7 109 32 358.4 358.4 298.4 358.4 0.00 38 110 16101 -78.7 -83.7 44 5.0 -78.7 105 38 365.6 365.6 299.8 365.6 0.00 39 100 16650 -74.5 -83.5 24 9.0 -74.5 85 35 383.8 383.8 302.9 383.8 0.00 TRP 110 16101 -78.7 -83.7 44 5.0 -78.7 105 38 365.6 365.6 299.8 365.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 548.86 mb = 5140.09 m = 16863.60 ft Wetbulb zero: 596.22 mb = 4473.89 m = 14677.94 ft Precipitable water: 2.36 inches Sfc-500 mean rel hum: 74.69 % Est. max temperature: 32.72 C = 90.89 F Sfc-Lift cond lev (LCL): 988.59 mb = 194.66 m = 638.63 ft T: 24.50 C 700-500 lapse rate: 5.62 C/km ThetaE index: 18.95 C Layer 915.0- 629.0 mb Conv cond level (CCL): 888.59 mb = 1126.84 m = 3696.94 ft Mean mixing ratio: 17.39 g/kg Conv temperature: 31.53 C = 88.75 F Cap Strength: 1.41 C Lifted Index: -2.48 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.23 C Lifted Index @700 mb: -0.66 C Showalter Index: -1.72 C Risk: Thunderstorms probable Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 22.10 C K Index: 35.50 Risk: > 80 % chance of thunderstorms Sweat Index: 263.00 Risk: None Energy Index: -1.69 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 538.45 J/kg Max Up Vert Vel: 32.82 m/s Conv Inhibition (B-): 28.07 J/kg Cap Strength: 1.35 C Lift Cond Lev (LCL): 939.47 mb = 641.79 m = 2105.58 ft Lev Free Conv (LFC): 814.47 mb = 1874.71 m = 6150.56 ft Equ Level (EL): 204.47 mb = 12344.93 m = 40501.25 ft B at Equ Level: 536.12 J/kg Wind level data Storm motion: 112 at 14 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 7 330 1 0.5 -0.9 | 294 15 13.7 -6.1 1 1000 94 340 5 1.7 -4.7 | 304 18 14.9 -9.9 2 925 778 70 11 -10.3 -3.8 | 342 9 2.8 -9.0 3 850 1512 75 15 -14.5 -3.9 | 8 9 -1.3 -9.1 4 700 3156 80 19 -18.7 -3.3 | 33 10 -5.5 -8.5 5 500 5880 90 29 -29.0 0.0 | 72 17 -15.8 -5.2 6 400 7610 105 25 -24.1 6.5 | 97 11 -11.0 1.3 7 300 9730 105 25 -24.1 6.5 | 97 11 -11.0 1.3 8 250 11000 110 13 -12.2 4.4 | 309 1 1.0 -0.8 9 200 12490 125 17 -13.9 9.8 | 171 5 -0.8 4.5 10 150 14290 120 17 -14.7 8.5 | 155 4 -1.6 3.3 11 110 16101 105 38 -36.7 9.8 | 101 24 -23.5 4.6 12 100 16650 85 35 -34.9 -3.1 | 69 23 -21.7 -8.3 Wind Parameters Mean winds (0-6000m): 81.6 at 18.9 knts Storm direction: 111.6 at 14.2 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 97.0 deg Storm rel helicity (0-3000m) pos: 72.3 neg: 0.0 tot: 72.3 m^2/s^2 ave: 24.1 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.6 10^-3/s Energy-Hel index: 0.22 Bulk Rich Number: 12.93 Bulk Shear: 41.65 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 12 6 313 16| 8.5 0.0 8.5| 41.0 0.0 41.0 82.0 0.82| 11.7 9.6 1000 53 8 328 12| 6.4 0.0 6.4| 55.8 0.0 55.8 55.8 0.74| 9.8 7.3 1500 64 10 337 11| 5.2 0.0 5.2| 62.7 0.0 62.7 41.8 0.77| 7.5 5.8 2000 68 11 345 10| 4.2 0.0 4.2| 65.9 0.0 65.9 32.9 0.79| 6.0 4.7 2500 71 13 352 9| 3.7 0.0 3.7| 69.0 0.0 69.0 27.6 0.80| 5.1 4.0 3000 73 14 358 9| 3.3 0.0 3.3| 72.3 0.0 72.3 24.1 0.80| 4.4 3.6 4000 76 15 10 9| 2.9 0.0 2.9| 81.6 0.0 81.6 20.4 0.81| 3.8 3.1 5000 79 17 22 9| 2.7 0.0 2.7| 92.4 0.0 92.4 18.5 0.81| 3.5 2.8 6000 82 19 35 10| 2.5 0.0 2.5|104.8 0.0 104.8 17.5 0.80| 3.2 2.6 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251009.12.gif