UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 18 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 23.8 22.6 93 1.2 22.9 325 1 296.1 299.2 295.7 346.1 17.34 1 1000 90 24.6 20.9 80 3.7 22.0 300 5 297.8 300.6 295.1 343.4 15.75 2 960 449 23.6 18.7 74 4.9 20.2 337 10 300.2 302.8 294.8 342.1 14.28 3 925 773 21.4 19.3 88 2.1 19.9 10 15 301.2 304.0 295.8 346.5 15.41 4 875 1255 19.0 18.3 96 0.7 18.5 33 16 303.5 306.4 296.4 349.0 15.30 5 853 1475 18.6 16.8 89 1.8 17.4 44 17 305.3 308.0 296.2 348.0 14.25 6 850 1505 18.6 15.8 84 2.8 16.7 45 17 305.6 308.1 295.7 345.8 13.40 7 848 1525 19.2 15.2 78 4.0 16.5 45 17 306.5 308.9 295.6 345.3 12.92 8 754 2527 14.0 9.0 72 5.0 10.9 70 21 311.3 313.1 294.5 340.8 9.60 9 700 3151 10.2 7.4 83 2.8 8.5 85 23 313.8 315.6 295.0 342.6 9.27 10 619 4166 3.8 3.2 96 0.6 3.5 87 19 317.7 319.2 294.9 342.4 7.81 11 608 4312 2.6 1.6 93 1.0 2.0 87 19 317.9 319.3 294.4 340.4 7.09 12 560 4976 -0.3 -3.6 78 3.3 -2.0 88 16 322.1 323.1 294.1 339.1 5.24 13 544 5208 -1.7 -2.0 98 0.3 -1.9 89 16 323.1 324.3 295.0 342.9 6.09 14 524 5507 -2.1 -7.1 69 5.0 -4.5 89 14 326.1 326.9 294.4 340.4 4.29 15 500 5880 -4.1 -6.3 85 2.2 -5.2 90 13 328.0 329.0 295.3 344.0 4.78 16 487 6088 -5.7 -6.9 91 1.2 -6.3 85 13 328.6 329.5 295.3 344.3 4.69 17 450 6705 -8.5 -10.9 83 2.4 -9.5 71 12 332.5 333.3 295.6 345.2 3.70 18 400 7610 -14.5 -16.3 86 1.8 -15.2 50 11 336.1 336.7 295.6 345.6 2.68 19 382 7956 -17.3 -17.6 98 0.3 -17.4 58 11 336.9 337.4 295.7 345.8 2.51 20 320 9257 -25.5 -29.7 68 4.2 -26.4 89 11 343.1 343.3 296.0 346.9 1.02 21 304 9626 -28.9 -30.8 84 1.9 -29.3 98 11 343.3 343.5 296.0 347.0 0.97 22 300 9720 -29.1 -33.5 66 4.4 -29.9 100 11 344.4 344.5 296.0 347.3 0.75 23 299 9744 -28.9 -35.9 51 7.0 -30.0 100 11 345.0 345.1 296.0 347.3 0.60 24 281 10186 -32.1 -42.1 36 10.0 -33.3 98 10 346.6 346.6 296.2 347.9 0.34 25 251 10973 -39.3 -44.2 60 4.9 -39.8 95 9 347.2 347.3 296.3 348.5 0.30 26 250 11000 -39.5 -44.5 59 5.0 -39.9 95 9 347.3 347.4 296.3 348.5 0.29 27 204 12361 -50.9 -60.9 30 10.0 -51.2 81 9 350.2 350.2 296.7 350.4 0.05 28 200 12490 -51.7 -65.7 17 14.0 -52.0 80 9 350.9 350.9 296.8 351.0 0.03 29 194 12687 -52.9 -70.9 10 18.0 -53.2 71 10 352.1 352.1 297.1 352.1 0.01 30 163 13783 -62.7 -70.7 33 8.0 -62.8 20 16 353.6 353.6 297.4 353.6 0.02 31 150 14290 -65.9 -75.9 24 10.0 -66.0 355 19 356.6 356.6 298.0 356.6 0.01 32 121 15561 -76.1 -79.7 57 3.6 -76.1 43 12 360.5 360.5 298.8 360.5 0.01 33 110 16104 -80.7 -85.3 46 4.6 -80.7 65 9 361.8 361.8 299.1 361.8 0.00 34 100 16640 -81.1 -85.4 48 4.3 -81.1 90 9 371.0 371.0 300.8 371.0 0.00 TRP 110 16104 -80.7 -85.3 46 4.6 -80.7 65 9 361.8 361.8 299.1 361.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 564.97 mb = 4907.42 m = 16100.25 ft Wetbulb zero: 583.76 mb = 4640.49 m = 15224.51 ft Precipitable water: 2.36 inches Sfc-500 mean rel hum: 83.15 % Est. max temperature: 32.46 C = 90.43 F Sfc-Lift cond lev (LCL): 992.87 mb = 152.86 m = 501.49 ft T: 24.42 C 700-500 lapse rate: 5.24 C/km ThetaE index: 8.12 C Layer 853.0- 700.0 mb Conv cond level (CCL): 803.57 mb = 1984.24 m = 6509.91 ft Mean mixing ratio: 15.16 g/kg Conv temperature: 36.42 C = 97.55 F Cap Strength: 3.01 C Lifted Index: 1.04 C Risk: Showers probable Lifted Index @300 mb: 2.52 C Lifted Index @700 mb: 1.27 C Showalter Index: 0.39 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.90 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 236.60 Risk: None Energy Index: -0.41 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.28 J/kg Max Up Vert Vel: 8.16 m/s Conv Inhibition (B-): 197.51 J/kg Cap Strength: 2.93 C Lift Cond Lev (LCL): 912.00 mb = 895.78 m = 2938.87 ft Lev Free Conv (LFC): 627.00 mb = 4060.04 m = 13320.18 ft Equ Level (EL): 537.00 mb = 5311.81 m = 17427.00 ft B at Equ Level: 32.56 J/kg Max Parcel Lev (MPL): 467.00 mb = 6415.33 m = 21047.41 ft Wind level data Storm motion: 101 at 13 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 7 325 1 0.6 -0.8 | 284 14 13.2 -3.2 1 1000 90 300 5 4.3 -2.5 | 286 18 16.9 -4.9 2 925 773 10 15 -2.6 -14.8 | 330 20 10.0 -17.2 3 850 1505 45 17 -12.0 -12.0 | 358 14 0.6 -14.4 4 700 3151 85 23 -22.9 -2.0 | 67 11 -10.3 -4.4 5 500 5880 90 13 -13.0 0.0 | 9 2 -0.4 -2.4 6 400 7610 50 11 -8.4 -7.1 | 336 10 4.2 -9.5 7 300 9720 100 11 -10.8 1.9 | 286 2 1.8 -0.5 8 250 11000 95 9 -9.0 0.8 | 294 4 3.6 -1.6 9 200 12490 80 9 -8.9 -1.6 | 317 5 3.8 -4.0 10 150 14290 355 19 1.7 -18.9 | 326 26 14.3 -21.3 11 110 16104 65 9 -8.2 -3.8 | 324 8 4.5 -6.2 12 100 16640 90 9 -9.0 0.0 | 304 4 3.6 -2.4 Wind Parameters Mean winds (0-6000m): 70.8 at 17.1 knts Storm direction: 100.8 at 12.8 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 135.4 deg Storm rel helicity (0-3000m) pos: 164.2 neg: 0.0 tot: 164.2 m^2/s^2 ave: 54.7 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 6.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.63 Bulk Shear: 52.87 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 ------------------------------------------------------------------------------- 500 328 7 297 18| 10.5 0.0 10.5| 43.4 0.0 43.4 86.7 0.67| 13.0 8.8 1000 1 11 316 18| 7.8 0.0 7.8| 95.8 0.0 95.8 95.8 0.80| 11.8 9.5 1500 16 13 328 17| 5.8 0.0 5.8|120.7 0.0 120.7 80.5 0.81| 10.3 8.3 2000 28 14 337 16| 4.9 0.0 4.9|135.1 0.0 135.1 67.5 0.82| 8.8 7.2 2500 38 15 347 15| 4.3 0.0 4.3|149.5 0.0 149.5 59.8 0.84| 8.0 6.7 3000 48 16 358 13| 3.9 0.0 3.9|164.2 0.0 164.2 54.7 0.86| 7.5 6.4 4000 61 17 13 11| 2.6 0.0 2.6|168.5 -1.3 167.2 41.8 0.80| 6.2 4.9 5000 67 18 21 10| 1.7 0.0 1.7|168.5 -3.3 165.2 33.0 0.72| 5.3 3.8 6000 71 17 24 9| 1.3 0.1 1.4|168.5 -5.5 163.0 27.2 0.62| 4.8 3.0 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251018.12.gif