UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120523.upa.cvt Date: 2300Z 5 DEC 25 Searching for YPCC... Searching the city database file for: YPCC ... Date:2300Z 5 DEC 25 Station: YPCC WMO ident: 96996 Latitude: -12.18 Longitude: 96.82 Elevation: 3.00 ------------------------------------------------------------------------------- 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 1011 3 26.2 23.1 83 3.1 24.0 110 10 298.4 301.7 296.7 350.5 17.87 1 1000 106 25.6 21.7 79 3.9 22.8 110 18 298.8 301.8 296.0 347.0 16.56 2 939 657 20.8 19.3 91 1.5 19.8 122 18 299.3 302.1 295.2 343.6 15.18 3 925 787 20.8 16.2 75 4.6 17.7 125 18 300.6 302.9 293.7 337.6 12.62 4 919 843 20.8 15.8 73 5.0 17.4 123 18 301.1 303.4 293.7 337.5 12.38 5 850 1515 16.6 15.0 90 1.6 15.5 95 14 303.5 305.9 294.6 341.3 12.72 6 798 2052 14.2 13.9 98 0.3 14.0 77 12 306.5 308.9 295.4 344.4 12.61 7 784 2202 15.8 9.8 67 6.0 12.0 72 11 309.8 311.6 294.2 339.6 9.75 8 770 2356 15.4 5.4 51 10.0 9.5 67 10 310.9 312.3 292.7 333.6 7.32 9 750 2579 13.8 9.3 74 4.5 10.9 60 9 311.6 313.4 294.8 341.9 9.86 10 700 3158 10.0 3.0 62 7.0 6.0 40 7 313.6 314.9 293.0 334.8 6.80 11 500 5870 -3.9 -43.9 3 40.0 -11.8 240 9 328.3 328.3 291.4 328.9 0.16 12 400 7590 -15.7 -20.0 70 4.3 -17.1 275 10 334.6 335.0 294.7 341.5 1.95 13 300 9710 -30.3 -41.3 33 11.0 -31.7 280 12 342.7 342.7 295.3 344.0 0.34 14 250 10980 -39.9 -57.9 13 18.0 -40.9 280 18 346.7 346.8 296.0 347.0 0.06 15 200 12460 -53.1 -66.1 19 13.0 -53.4 295 22 348.7 348.7 296.4 348.8 0.03 16 150 14250 -67.7 -74.7 36 7.0 -67.8 345 28 353.5 353.5 297.4 353.5 0.01 17 100 16590 -82.3 -90.3 24 8.0 -82.3 300 15 368.7 368.7 300.4 368.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 556.12 mb = 5109.08 m = 16761.87 ft Wetbulb zero: 632.45 mb = 3975.92 m = 13044.21 ft Precipitable water: 1.87 inches Sfc-500 mean rel hum: 56.83 % Est. max temperature: 30.94 C = 87.70 F Sfc-Lift cond lev (LCL): 966.85 mb = 400.99 m = 1315.58 ft T: 23.03 C 700-500 lapse rate: 5.13 C/km ThetaE index: 12.99 C Layer 700.0- 400.0 mb Conv cond level (CCL): 876.95 mb = 1246.39 m = 4089.15 ft Mean mixing ratio: 15.22 g/kg Conv temperature: 30.38 C = 86.68 F Cap Strength: 2.90 C Lifted Index: 1.30 C Risk: Showers probable Lifted Index @300 mb: 1.50 C Lifted Index @700 mb: 1.13 C Showalter Index: 2.35 C Risk: Showers probable Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 18.90 C K Index: 28.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 217.00 Risk: None Energy Index: -2.30 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.88 J/kg Max Up Vert Vel: 4.45 m/s Conv Inhibition (B-): 1804.09 J/kg Cap Strength: 2.81 C Lift Cond Lev (LCL): 918.15 mb = 851.37 m = 2793.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 131 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 1011 3 110 10 -9.4 3.4 | 60 4 -3.3 -1.9 1 1000 106 110 18 -16.9 6.2 | 95 11 -10.8 0.9 2 925 787 125 18 -14.7 10.3 | 120 10 -8.6 5.0 3 850 1515 95 14 -13.9 1.2 | 62 9 -7.8 -4.1 4 700 3158 40 7 -4.5 -5.4 | 351 11 1.6 -10.7 5 500 5870 240 9 7.8 4.5 | 273 14 13.9 -0.8 6 400 7590 275 10 10.0 -0.9 | 291 17 16.1 -6.2 7 300 9710 280 12 11.8 -2.1 | 292 19 18.0 -7.4 8 250 10980 280 18 17.7 -3.1 | 289 25 23.9 -8.4 9 200 12460 295 22 19.9 -9.3 | 299 30 26.1 -14.6 10 150 14250 345 28 7.2 -27.0 | 338 35 13.4 -32.3 11 100 16590 300 15 13.0 -7.5 | 304 23 19.1 -12.8 Wind Parameters Mean winds (0-6000m): 100.8 at 10.8 knts Storm direction: 130.8 at 8.1 knts Shear (0-3000m) pos: 1.4 neg: 3.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): -63.9 deg Storm rel helicity (0-3000m) pos: 18.1 neg: -50.3 tot: -32.2 m^2/s^2 ave: -10.7 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 5.7 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.48 Bulk Shear: 6.67 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 ------------------------------------------------------------------------------- 500 114 17 100 10| 8.5 0.0 8.5| 13.5 0.0 13.5 26.9 0.65| 11.1 7.2 1000 118 17 107 10| 4.2 0.7 5.0| 18.1 -6.6 11.5 11.5 0.40| 7.9 3.1 1500 115 17 101 9| 2.8 2.6 5.4| 18.1 -21.0 -3.0 -2.0 -0.00| 7.4 -0.0 2000 109 16 90 9| 2.1 3.0 5.1| 18.1 -31.4 -13.3 -6.7 -0.17| 6.7 -1.1 2500 104 15 79 8| 1.7 3.1 4.8| 18.1 -41.1 -23.1 -9.2 -0.27| 6.1 -1.7 3000 101 14 70 8| 1.4 3.0 4.4| 18.1 -50.3 -32.2 -10.7 -0.35| 5.7 -2.0 4000 92 12 52 8| 1.1 3.0 4.1| 18.1 -69.9 -51.8 -12.9 -0.43| 5.2 -2.2 5000 88 11 43 8| 0.8 2.7 3.6| 18.1-103.6 -85.6 -17.1 -0.52| 5.0 -2.6 6000 101 11 54 6| 0.7 2.1 2.8| 19.0-133.4-114.4 -19.1 -0.57| 4.9 -2.8 Wrote GIF file: /home/apache/climate/data/raob//YPCC/skewt/YPCC.skewt.20251205.23.gif