UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for YPDN... Searching the city database file for: YPDN ... Date:2300Z 18 APR 25 Station: YPDN WMO ident: 94120 Latitude: -12.40 Longitude: 130.87 Elevation: 30.00 ------------------------------------------------------------------------------- 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 1006 30 29.2 25.4 80 3.8 26.3 5 8 301.8 305.6 299.3 363.2 20.71 1 1000 81 28.2 23.9 78 4.3 25.0 350 3 301.4 304.8 298.2 357.4 19.00 2 941 619 23.2 21.9 92 1.3 22.3 358 9 301.5 304.8 297.5 354.2 17.85 3 939 637 23.6 18.6 74 5.0 20.1 358 9 302.1 304.8 295.5 345.0 14.51 4 925 769 23.4 15.4 61 8.0 18.0 360 11 303.2 305.4 294.0 338.8 11.98 5 911 902 23.0 14.0 57 9.0 17.0 2 10 304.2 306.2 293.6 337.2 11.10 6 888 1125 22.4 10.4 47 12.0 14.8 5 8 305.8 307.4 292.4 332.7 8.95 7 867 1333 20.2 15.9 76 4.3 17.2 8 6 305.6 308.0 295.6 345.2 13.22 8 850 1504 19.0 14.9 77 4.1 16.3 10 5 306.0 308.4 295.3 344.0 12.64 9 814 1875 16.2 14.3 89 1.9 14.9 349 8 306.9 309.3 295.6 345.1 12.69 10 700 3145 8.4 7.4 93 1.0 7.8 275 18 311.8 313.5 294.4 340.4 9.27 11 500 5880 -3.1 -9.1 63 6.0 -5.9 305 6 329.3 330.0 294.8 342.3 3.84 12 400 7610 -13.9 -21.9 51 8.0 -16.4 315 15 336.9 337.3 295.0 342.9 1.66 13 300 9730 -28.1 -41.1 28 13.0 -29.9 295 12 345.8 345.9 296.0 347.2 0.35 14 250 11010 -38.3 -50.3 27 12.0 -39.2 270 13 349.1 349.2 296.6 349.8 0.15 15 200 12500 -51.3 -56.3 55 5.0 -51.5 320 19 351.5 351.6 297.0 351.9 0.09 16 150 14310 -67.5 -71.8 54 4.3 -67.5 15 24 353.8 353.8 297.5 353.9 0.02 17 103 16475 -83.3 -88.3 41 5.0 -83.3 350 13 363.7 363.7 299.4 363.7 0.00 18 100 16640 -80.1 -88.1 25 8.0 -80.1 345 15 373.0 373.0 301.1 373.0 0.00 TRP 103 16475 -83.3 -88.3 41 5.0 -83.3 350 13 363.7 363.7 299.4 363.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 553.91 mb = 5142.74 m = 16872.30 ft Wetbulb zero: 585.79 mb = 4592.80 m = 15068.06 ft Precipitable water: 2.24 inches Sfc-500 mean rel hum: 79.65 % Est. max temperature: 33.25 C = 91.86 F Sfc-Lift cond lev (LCL): 952.70 mb = 509.35 m = 1671.07 ft T: 24.22 C 700-500 lapse rate: 4.20 C/km ThetaE index: 30.43 C Layer 1000.0- 867.0 mb Conv cond level (CCL): 847.47 mb = 1529.58 m = 5018.25 ft Mean mixing ratio: 16.31 g/kg Conv temperature: 33.48 C = 92.27 F Cap Strength: 3.01 C Lifted Index: -0.28 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.06 C Lifted Index @700 mb: -2.28 C Showalter Index: 2.10 C Risk: Showers probable Total Totals Index: 40.10 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 18.00 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 194.80 Risk: None Energy Index: -0.37 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 295.20 J/kg Max Up Vert Vel: 24.30 m/s Conv Inhibition (B-): 59.96 J/kg Cap Strength: 2.98 C Lift Cond Lev (LCL): 897.35 mb = 1033.97 m = 3392.25 ft Lev Free Conv (LFC): 812.35 mb = 1892.25 m = 6208.10 ft Equ Level (EL): 302.35 mb = 9672.49 m = 31733.51 ft B at Equ Level: 295.17 J/kg Max Parcel Lev (MPL): 132.35 mb = 15030.99 m = 49313.67 ft Wind level data Storm motion: 327 at 8 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 1006 30 5 8 -0.7 -8.0 | 76 5 -5.1 -1.3 1 1000 81 350 3 0.5 -3.0 | 134 5 -3.9 3.7 2 925 769 360 11 -0.0 -11.0 | 45 6 -4.4 -4.3 3 850 1504 10 5 -0.9 -4.9 | 108 6 -5.3 1.7 4 700 3145 275 18 17.9 -1.6 | 249 14 13.5 5.1 5 500 5880 305 6 4.9 -3.4 | 189 3 0.5 3.2 6 400 7610 315 15 10.6 -10.6 | 302 7 6.2 -3.9 7 300 9730 295 12 10.9 -5.1 | 256 7 6.5 1.6 8 250 11010 270 13 13.0 -0.0 | 232 11 8.6 6.7 9 200 12500 320 19 12.2 -14.6 | 315 11 7.8 -7.9 10 150 14310 15 24 -6.2 -23.2 | 33 20 -10.6 -16.5 11 103 16475 350 13 2.3 -12.8 | 19 6 -2.1 -6.1 12 100 16640 345 15 3.9 -14.5 | 4 8 -0.5 -7.8 Wind Parameters Mean winds (0-6000m): 296.6 at 10.7 knts Storm direction: 326.6 at 8.0 knts Shear (0-3000m) pos: 0.6 neg: 3.2 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 179.7 deg Storm rel helicity (0-3000m) pos: 13.5 neg: -28.4 tot: -14.9 m^2/s^2 ave: -5.0 10^-3 m/s^2 rel: -0.28 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -1.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 26.82 Bulk Shear: 11.01 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 ------------------------------------------------------------------------------- 500 355 6 105 4| 0.0 1.3 1.3| 5.6 -4.6 0.9 1.9 0.05| 9.8 0.5 1000 359 8 77 4| 0.6 0.6 1.3| 8.3 -6.9 1.4 1.4 0.04| 7.1 0.3 1500 1 7 81 5| 1.1 0.4 1.6| 13.5 -6.9 6.6 4.4 0.24| 6.0 1.5 2000 358 7 81 4| 0.9 1.6 2.5| 13.5 -10.9 2.6 1.3 -0.00| 5.9 -0.0 2500 346 8 64 3| 0.7 2.6 3.2| 13.5 -15.6 -2.2 -0.9 -0.19| 6.2 -1.2 3000 325 9 315 1| 0.6 3.2 3.8| 13.5 -28.4 -14.9 -5.0 -0.28| 6.6 -1.9 4000 304 11 263 5| 0.5 2.3 2.9| 14.8 -33.1 -18.3 -4.6 -0.26| 5.8 -1.5 5000 299 11 257 6| 0.9 1.9 2.8| 14.8 -35.2 -20.4 -4.1 -0.26| 5.1 -1.3 6000 297 11 250 5| 1.0 1.6 2.6| 15.2 -38.2 -23.0 -3.8 -0.29| 4.7 -1.3 Wrote GIF file: /home/apache/climate/data/raob//YPDN/skewt/YPDN.skewt.20250418.23.gif